| Index: Source/core/css/parser/CSSPropertyParser.cpp
|
| diff --git a/Source/core/css/parser/CSSPropertyParser.cpp b/Source/core/css/parser/CSSPropertyParser.cpp
|
| index d08862af53cf57c0a7509af8f5495f06444435a7..2e6c483da002877dc8980b5b0be85f790357171b 100644
|
| --- a/Source/core/css/parser/CSSPropertyParser.cpp
|
| +++ b/Source/core/css/parser/CSSPropertyParser.cpp
|
| @@ -1,83 +1,24 @@
|
| -/*
|
| - * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
|
| - * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
|
| - * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
|
| - * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
|
| - * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
|
| - * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
|
| - * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
|
| - * Copyright (C) 2012 Intel Corporation. All rights reserved.
|
| - *
|
| - * This library is free software; you can redistribute it and/or
|
| - * modify it under the terms of the GNU Library General Public
|
| - * License as published by the Free Software Foundation; either
|
| - * version 2 of the License, or (at your option) any later version.
|
| - *
|
| - * This library is distributed in the hope that it will be useful,
|
| - * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| - * Library General Public License for more details.
|
| - *
|
| - * You should have received a copy of the GNU Library General Public License
|
| - * along with this library; see the file COPYING.LIB. If not, write to
|
| - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
| - * Boston, MA 02110-1301, USA.
|
| - */
|
| +// Copyright 2015 The Chromium Authors. All rights reserved.
|
| +// Use of this source code is governed by a BSD-style license that can be
|
| +// found in the LICENSE file.
|
|
|
| #include "config.h"
|
| #include "core/css/parser/CSSPropertyParser.h"
|
|
|
| #include "core/StylePropertyShorthand.h"
|
| -#include "core/css/CSSBasicShapes.h"
|
| -#include "core/css/CSSBorderImage.h"
|
| -#include "core/css/CSSCanvasValue.h"
|
| -#include "core/css/CSSContentDistributionValue.h"
|
| -#include "core/css/CSSCounterValue.h"
|
| -#include "core/css/CSSCrossfadeValue.h"
|
| -#include "core/css/CSSCursorImageValue.h"
|
| -#include "core/css/CSSFontFaceSrcValue.h"
|
| -#include "core/css/CSSFontFeatureValue.h"
|
| -#include "core/css/CSSFunctionValue.h"
|
| -#include "core/css/CSSGridLineNamesValue.h"
|
| -#include "core/css/CSSImageSetValue.h"
|
| -#include "core/css/CSSImageValue.h"
|
| -#include "core/css/CSSPathValue.h"
|
| -#include "core/css/CSSPrimitiveValueMappings.h"
|
| -#include "core/css/CSSProperty.h"
|
| -#include "core/css/CSSPropertyMetadata.h"
|
| -#include "core/css/CSSQuadValue.h"
|
| -#include "core/css/CSSReflectValue.h"
|
| -#include "core/css/CSSSVGDocumentValue.h"
|
| -#include "core/css/CSSShadowValue.h"
|
| -#include "core/css/CSSTimingFunctionValue.h"
|
| -#include "core/css/CSSUnicodeRangeValue.h"
|
| -#include "core/css/CSSValuePair.h"
|
| +#include "core/css/CSSCalculationValue.h"
|
| #include "core/css/CSSValuePool.h"
|
| -#include "core/css/HashTools.h"
|
| #include "core/css/parser/CSSParserFastPaths.h"
|
| #include "core/css/parser/CSSParserValues.h"
|
| #include "core/frame/UseCounter.h"
|
| -#include "core/layout/LayoutTheme.h"
|
| -#include "core/style/GridCoordinate.h"
|
| -#include "core/svg/SVGPathUtilities.h"
|
| -#include "platform/RuntimeEnabledFeatures.h"
|
|
|
| namespace blink {
|
|
|
| -template <unsigned N>
|
| -static bool equalIgnoringCase(const CSSParserString& a, const char (&b)[N])
|
| -{
|
| - unsigned length = N - 1; // Ignore the trailing null character
|
| - if (a.length() != length)
|
| - return false;
|
| -
|
| - return a.is8Bit() ? WTF::equalIgnoringCase(b, a.characters8(), length) : WTF::equalIgnoringCase(b, a.characters16(), length);
|
| -}
|
| -
|
| -CSSPropertyParser::CSSPropertyParser(CSSParserValueList* valueList,
|
| +CSSPropertyParser::CSSPropertyParser(CSSParserValueList* valueList, const CSSParserTokenRange& range,
|
| const CSSParserContext& context, WillBeHeapVector<CSSProperty, 256>& parsedProperties,
|
| StyleRule::Type ruleType)
|
| : m_valueList(valueList)
|
| + , m_range(range)
|
| , m_context(context)
|
| , m_parsedProperties(parsedProperties)
|
| , m_ruleType(ruleType)
|
| @@ -88,12 +29,15 @@ CSSPropertyParser::CSSPropertyParser(CSSParserValueList* valueList,
|
| }
|
|
|
| bool CSSPropertyParser::parseValue(CSSPropertyID unresolvedProperty, bool important,
|
| - CSSParserValueList* valueList, const CSSParserContext& context,
|
| + const CSSParserTokenRange& range, const CSSParserContext& context,
|
| WillBeHeapVector<CSSProperty, 256>& parsedProperties, StyleRule::Type ruleType)
|
| {
|
| int parsedPropertiesSize = parsedProperties.size();
|
|
|
| - CSSPropertyParser parser(valueList, context, parsedProperties, ruleType);
|
| + CSSParserValueList valueList(range);
|
| + if (!valueList.size())
|
| + return false; // Parser error
|
| + CSSPropertyParser parser(&valueList, range, context, parsedProperties, ruleType);
|
| CSSPropertyID resolvedProperty = resolveCSSPropertyID(unresolvedProperty);
|
| bool parseSuccess;
|
|
|
| @@ -116,392 +60,163 @@ bool CSSPropertyParser::parseValue(CSSPropertyID unresolvedProperty, bool import
|
| return parseSuccess;
|
| }
|
|
|
| -void CSSPropertyParser::addProperty(CSSPropertyID propId, PassRefPtrWillBeRawPtr<CSSValue> value, bool important, bool implicit)
|
| -{
|
| - ASSERT(!isPropertyAlias(propId));
|
| -
|
| - int shorthandIndex = 0;
|
| - bool setFromShorthand = false;
|
| -
|
| - if (m_currentShorthand) {
|
| - Vector<StylePropertyShorthand, 4> shorthands;
|
| - getMatchingShorthandsForLonghand(propId, &shorthands);
|
| - // Viewport descriptors have width and height as shorthands, but it doesn't
|
| - // make sense for CSSProperties.in to consider them as such. The shorthand
|
| - // index is only used by the inspector and doesn't affect viewport
|
| - // descriptors.
|
| - if (shorthands.isEmpty())
|
| - ASSERT(m_currentShorthand == CSSPropertyWidth || m_currentShorthand == CSSPropertyHeight);
|
| - else
|
| - setFromShorthand = true;
|
| -
|
| - if (shorthands.size() > 1)
|
| - shorthandIndex = indexOfShorthandForLonghand(m_currentShorthand, shorthands);
|
| - }
|
| -
|
| - m_parsedProperties.append(CSSProperty(propId, value, important, setFromShorthand, shorthandIndex, m_implicitShorthand || implicit));
|
| -}
|
| -
|
| -void CSSPropertyParser::rollbackLastProperties(int num)
|
| -{
|
| - ASSERT(num >= 0);
|
| - ASSERT(m_parsedProperties.size() >= static_cast<unsigned>(num));
|
| - m_parsedProperties.shrink(m_parsedProperties.size() - num);
|
| -}
|
| -
|
| -KURL CSSPropertyParser::completeURL(const String& url) const
|
| -{
|
| - return m_context.completeURL(url);
|
| -}
|
| -
|
| -bool CSSPropertyParser::validCalculationUnit(CSSParserValue* value, Units unitflags, ReleaseParsedCalcValueCondition releaseCalc)
|
| +// Helper methods for consuming tokens starts here.
|
| +static bool consumeCommaIncludingWhitespace(CSSParserTokenRange& valueList)
|
| {
|
| - bool mustBeNonNegative = unitflags & (FNonNeg | FPositiveInteger);
|
| -
|
| - if (!parseCalculation(value, mustBeNonNegative ? ValueRangeNonNegative : ValueRangeAll))
|
| + CSSParserToken value = valueList.peek();
|
| + if (value.type() != CommaToken)
|
| return false;
|
| -
|
| - bool b = false;
|
| - switch (m_parsedCalculation->category()) {
|
| - case CalcLength:
|
| - b = (unitflags & FLength);
|
| - break;
|
| - case CalcNumber:
|
| - b = (unitflags & FNumber);
|
| - if (!b && (unitflags & (FInteger | FPositiveInteger)) && m_parsedCalculation->isInt())
|
| - b = true;
|
| - if (b && mustBeNonNegative && m_parsedCalculation->isNegative())
|
| - b = false;
|
| - // Always resolve calc() to a UnitType::Number in the CSSParserValue if there are no non-numbers specified in the unitflags.
|
| - if (b && !(unitflags & ~(FInteger | FNumber | FPositiveInteger | FNonNeg))) {
|
| - double number = m_parsedCalculation->doubleValue();
|
| - if ((unitflags & FPositiveInteger) && number <= 0) {
|
| - b = false;
|
| - } else {
|
| - delete value->calcFunction;
|
| - value->setUnit(CSSPrimitiveValue::UnitType::Number);
|
| - value->fValue = number;
|
| - value->isInt = m_parsedCalculation->isInt();
|
| - }
|
| - m_parsedCalculation.release();
|
| - return b;
|
| - }
|
| - break;
|
| - case CalcPercent:
|
| - b = (unitflags & FPercent);
|
| - if (b && mustBeNonNegative && m_parsedCalculation->isNegative())
|
| - b = false;
|
| - break;
|
| - case CalcPercentLength:
|
| - b = (unitflags & FPercent) && (unitflags & FLength);
|
| - break;
|
| - case CalcPercentNumber:
|
| - b = (unitflags & FPercent) && (unitflags & FNumber);
|
| - break;
|
| - case CalcAngle:
|
| - b = (unitflags & FAngle);
|
| - break;
|
| - case CalcTime:
|
| - b = (unitflags & FTime);
|
| - break;
|
| - case CalcFrequency:
|
| - b = (unitflags & FFrequency);
|
| - break;
|
| - case CalcOther:
|
| - break;
|
| - }
|
| - if (!b || releaseCalc == ReleaseParsedCalcValue)
|
| - m_parsedCalculation.release();
|
| - return b;
|
| + valueList.consumeIncludingWhitespace();
|
| + return true;
|
| }
|
|
|
| -inline bool CSSPropertyParser::shouldAcceptUnitLessValues(CSSParserValue* value, Units unitflags, CSSParserMode cssParserMode)
|
| +static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> consumeIdent(CSSParserTokenRange& range)
|
| {
|
| - // Quirks mode for certain properties and presentation attributes accept unit-less values for certain units.
|
| - return (unitflags & (FLength | FAngle))
|
| - && (!value->fValue // 0 can always be unitless.
|
| - || isUnitLessLengthParsingEnabledForMode(cssParserMode) // HTML and SVG attribute values can always be unitless.
|
| - || (cssParserMode == HTMLQuirksMode && (unitflags & FUnitlessQuirk)));
|
| + if (range.peek().type() != IdentToken)
|
| + return nullptr;
|
| + return cssValuePool().createIdentifierValue(range.consumeIncludingWhitespace().id());
|
| }
|
|
|
| -inline bool isCalculation(CSSParserValue* value)
|
| +static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> consumeCustomIdent(CSSParserTokenRange& range)
|
| {
|
| - return value->m_unit == CSSParserValue::CalcFunction;
|
| + if (range.peek().type() != IdentToken)
|
| + return nullptr;
|
| + return cssValuePool().createValue(range.consumeIncludingWhitespace().value(), CSSPrimitiveValue::UnitType::CustomIdentifier);
|
| }
|
|
|
| -bool CSSPropertyParser::validUnit(CSSParserValue* value, Units unitflags, CSSParserMode cssParserMode, ReleaseParsedCalcValueCondition releaseCalc)
|
| +static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> consumeString(CSSParserTokenRange& range)
|
| {
|
| - if (isCalculation(value))
|
| - return validCalculationUnit(value, unitflags, releaseCalc);
|
| -
|
| - if (unitflags & FNonNeg && value->fValue < 0)
|
| - return false;
|
| - switch (value->unit()) {
|
| - case CSSPrimitiveValue::UnitType::Number:
|
| - if (unitflags & FNumber)
|
| - return true;
|
| - if (shouldAcceptUnitLessValues(value, unitflags, cssParserMode)) {
|
| - value->setUnit((unitflags & FLength) ? CSSPrimitiveValue::UnitType::Pixels : CSSPrimitiveValue::UnitType::Degrees);
|
| - return true;
|
| - }
|
| - if ((unitflags & FInteger) && value->isInt)
|
| - return true;
|
| - if ((unitflags & FPositiveInteger) && value->isInt && value->fValue > 0)
|
| - return true;
|
| - return false;
|
| - case CSSPrimitiveValue::UnitType::Percentage:
|
| - return unitflags & FPercent;
|
| - case CSSPrimitiveValue::UnitType::QuirkyEms:
|
| - if (cssParserMode != UASheetMode)
|
| - return false;
|
| - /* fallthrough intentional */
|
| - case CSSPrimitiveValue::UnitType::Ems:
|
| - case CSSPrimitiveValue::UnitType::Rems:
|
| - case CSSPrimitiveValue::UnitType::Chs:
|
| - case CSSPrimitiveValue::UnitType::Exs:
|
| - case CSSPrimitiveValue::UnitType::Pixels:
|
| - case CSSPrimitiveValue::UnitType::Centimeters:
|
| - case CSSPrimitiveValue::UnitType::Millimeters:
|
| - case CSSPrimitiveValue::UnitType::Inches:
|
| - case CSSPrimitiveValue::UnitType::Points:
|
| - case CSSPrimitiveValue::UnitType::Picas:
|
| - case CSSPrimitiveValue::UnitType::ViewportWidth:
|
| - case CSSPrimitiveValue::UnitType::ViewportHeight:
|
| - case CSSPrimitiveValue::UnitType::ViewportMin:
|
| - case CSSPrimitiveValue::UnitType::ViewportMax:
|
| - return unitflags & FLength;
|
| - case CSSPrimitiveValue::UnitType::Milliseconds:
|
| - case CSSPrimitiveValue::UnitType::Seconds:
|
| - return unitflags & FTime;
|
| - case CSSPrimitiveValue::UnitType::Degrees:
|
| - case CSSPrimitiveValue::UnitType::Radians:
|
| - case CSSPrimitiveValue::UnitType::Gradians:
|
| - case CSSPrimitiveValue::UnitType::Turns:
|
| - return unitflags & FAngle;
|
| - case CSSPrimitiveValue::UnitType::DotsPerPixel:
|
| - case CSSPrimitiveValue::UnitType::DotsPerInch:
|
| - case CSSPrimitiveValue::UnitType::DotsPerCentimeter:
|
| - return unitflags & FResolution;
|
| - default:
|
| - return false;
|
| - }
|
| + if (range.peek().type() != StringToken)
|
| + return nullptr;
|
| + return cssValuePool().createValue(range.consumeIncludingWhitespace().value(), CSSPrimitiveValue::UnitType::String);
|
| }
|
|
|
| -PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::createPrimitiveNumericValue(CSSParserValue* value)
|
| +// Methods for consuming non-shorthand properties starts here.
|
| +static PassRefPtrWillBeRawPtr<CSSValue> consumeWillChange(CSSParserTokenRange& range)
|
| {
|
| - if (m_parsedCalculation) {
|
| - ASSERT(isCalculation(value));
|
| - return CSSPrimitiveValue::create(m_parsedCalculation.release());
|
| + RefPtrWillBeRawPtr<CSSValueList> values = CSSValueList::createCommaSeparated();
|
| + if (range.peek().id() == CSSValueAuto) {
|
| + // FIXME: This will be read back as an empty string instead of auto
|
| + return values.release();
|
| }
|
|
|
| - ASSERT((value->unit() >= CSSPrimitiveValue::UnitType::Number && value->unit() <= CSSPrimitiveValue::UnitType::Kilohertz)
|
| - || (value->unit() >= CSSPrimitiveValue::UnitType::Turns && value->unit() <= CSSPrimitiveValue::UnitType::Chs)
|
| - || (value->unit() >= CSSPrimitiveValue::UnitType::ViewportWidth && value->unit() <= CSSPrimitiveValue::UnitType::ViewportMax)
|
| - || (value->unit() >= CSSPrimitiveValue::UnitType::DotsPerPixel && value->unit() <= CSSPrimitiveValue::UnitType::DotsPerCentimeter));
|
| - return cssValuePool().createValue(value->fValue, value->unit());
|
| -}
|
| -
|
| -inline PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::createPrimitiveStringValue(CSSParserValue* value)
|
| -{
|
| - ASSERT(value->unit() == CSSPrimitiveValue::UnitType::String || value->m_unit == CSSParserValue::Identifier);
|
| - return cssValuePool().createValue(value->string, CSSPrimitiveValue::UnitType::String);
|
| -}
|
| -
|
| -inline PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::createPrimitiveCustomIdentValue(CSSParserValue* value)
|
| -{
|
| - ASSERT(value->unit() == CSSPrimitiveValue::UnitType::String || value->m_unit == CSSParserValue::Identifier);
|
| - return cssValuePool().createValue(value->string, CSSPrimitiveValue::UnitType::CustomIdentifier);
|
| -}
|
| -
|
| -inline PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::createCSSImageValueWithReferrer(const String& rawValue, const KURL& url)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValue> imageValue = CSSImageValue::create(rawValue, url);
|
| - toCSSImageValue(imageValue.get())->setReferrer(m_context.referrer());
|
| - return imageValue;
|
| -}
|
| -
|
| -static inline bool isComma(CSSParserValue* value)
|
| -{
|
| - ASSERT(value);
|
| - return value->m_unit == CSSParserValue::Operator && value->iValue == ',';
|
| -}
|
| -
|
| -static bool consumeComma(CSSParserValueList* valueList)
|
| -{
|
| - CSSParserValue* value = valueList->current();
|
| - if (!value || !isComma(value))
|
| - return false;
|
| - valueList->next();
|
| - return true;
|
| -}
|
| -
|
| -static inline bool isForwardSlashOperator(CSSParserValue* value)
|
| -{
|
| - ASSERT(value);
|
| - return value->m_unit == CSSParserValue::Operator && value->iValue == '/';
|
| -}
|
| -
|
| -static bool isGeneratedImageValue(CSSParserValue* val)
|
| -{
|
| - if (val->m_unit != CSSParserValue::Function)
|
| - return false;
|
| -
|
| - CSSValueID id = val->function->id;
|
| - return id == CSSValueLinearGradient
|
| - || id == CSSValueRadialGradient
|
| - || id == CSSValueRepeatingLinearGradient
|
| - || id == CSSValueRepeatingRadialGradient
|
| - || id == CSSValueWebkitLinearGradient
|
| - || id == CSSValueWebkitRadialGradient
|
| - || id == CSSValueWebkitRepeatingLinearGradient
|
| - || id == CSSValueWebkitRepeatingRadialGradient
|
| - || id == CSSValueWebkitGradient
|
| - || id == CSSValueWebkitCanvas
|
| - || id == CSSValueWebkitCrossFade;
|
| -}
|
| -
|
| -bool CSSPropertyParser::validWidthOrHeight(CSSParserValue* value, Units unitless)
|
| -{
|
| - int id = value->id;
|
| - if (id == CSSValueIntrinsic || id == CSSValueMinIntrinsic
|
| - || id == CSSValueWebkitMinContent || id == CSSValueWebkitMaxContent || id == CSSValueWebkitFillAvailable || id == CSSValueWebkitFitContent
|
| - || id == CSSValueMinContent || id == CSSValueMaxContent || id == CSSValueFitContent) {
|
| - if (m_context.useCounter()) {
|
| - switch (value->id) {
|
| - case CSSValueIntrinsic:
|
| - m_context.useCounter()->count(UseCounter::LegacyCSSValueIntrinsic);
|
| - break;
|
| - case CSSValueMinIntrinsic:
|
| - m_context.useCounter()->count(UseCounter::LegacyCSSValueMinIntrinsic);
|
| - break;
|
| - case CSSValueWebkitMinContent:
|
| - m_context.useCounter()->count(UseCounter::CSSValuePrefixedMinContent);
|
| - break;
|
| - case CSSValueWebkitMaxContent:
|
| - m_context.useCounter()->count(UseCounter::CSSValuePrefixedMaxContent);
|
| - break;
|
| - case CSSValueWebkitFillAvailable:
|
| - m_context.useCounter()->count(UseCounter::CSSValuePrefixedFillAvailable);
|
| - break;
|
| - case CSSValueWebkitFitContent:
|
| - m_context.useCounter()->count(UseCounter::CSSValuePrefixedFitContent);
|
| + // Every comma-separated list of identifiers is a valid will-change value,
|
| + // unless the list includes an explicitly disallowed identifier.
|
| + while (true) {
|
| + if (range.peek().type() != IdentToken)
|
| + return nullptr;
|
| + CSSPropertyID unresolvedProperty = unresolvedCSSPropertyID(range.peek().value());
|
| + if (unresolvedProperty) {
|
| + ASSERT(CSSPropertyMetadata::isEnabledProperty(unresolvedProperty));
|
| + // Now "all" is used by both CSSValue and CSSPropertyValue.
|
| + // Need to return nullptr when currentValue is CSSPropertyAll.
|
| + if (unresolvedProperty == CSSPropertyWillChange || unresolvedProperty == CSSPropertyAll)
|
| + return nullptr;
|
| + values->append(cssValuePool().createIdentifierValue(unresolvedProperty));
|
| + range.consumeIncludingWhitespace();
|
| + } else {
|
| + switch (range.peek().id()) {
|
| + case CSSValueNone:
|
| + case CSSValueAll:
|
| + case CSSValueAuto:
|
| + case CSSValueDefault:
|
| + case CSSValueInitial:
|
| + case CSSValueInherit:
|
| + return nullptr;
|
| + case CSSValueContents:
|
| + case CSSValueScrollPosition:
|
| + values->append(consumeIdent(range));
|
| break;
|
| default:
|
| + range.consumeIncludingWhitespace();
|
| break;
|
| }
|
| }
|
| - return true;
|
| +
|
| + if (range.atEnd())
|
| + break;
|
| + if (!consumeCommaIncludingWhitespace(range))
|
| + return nullptr;
|
| }
|
| - return validUnit(value, FLength | FPercent | FNonNeg | unitless);
|
| +
|
| + return values.release();
|
| }
|
|
|
| -inline PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::parseValidPrimitive(CSSValueID identifier, CSSParserValue* value)
|
| +static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> consumePage(CSSParserTokenRange& range)
|
| {
|
| - if (identifier)
|
| - return cssValuePool().createIdentifierValue(identifier);
|
| - if (value->unit() >= CSSPrimitiveValue::UnitType::Number && value->unit() <= CSSPrimitiveValue::UnitType::Kilohertz)
|
| - return createPrimitiveNumericValue(value);
|
| - if (value->unit() >= CSSPrimitiveValue::UnitType::Turns && value->unit() <= CSSPrimitiveValue::UnitType::Chs)
|
| - return createPrimitiveNumericValue(value);
|
| - if (value->unit() >= CSSPrimitiveValue::UnitType::ViewportWidth && value->unit() <= CSSPrimitiveValue::UnitType::ViewportMax)
|
| - return createPrimitiveNumericValue(value);
|
| - if (value->unit() >= CSSPrimitiveValue::UnitType::DotsPerPixel && value->unit() <= CSSPrimitiveValue::UnitType::DotsPerCentimeter)
|
| - return createPrimitiveNumericValue(value);
|
| - if (value->unit() == CSSPrimitiveValue::UnitType::QuirkyEms)
|
| - return CSSPrimitiveValue::create(value->fValue, CSSPrimitiveValue::UnitType::QuirkyEms);
|
| - if (isCalculation(value))
|
| - return CSSPrimitiveValue::create(m_parsedCalculation.release());
|
| -
|
| - return nullptr;
|
| + if (range.peek().id() == CSSValueAuto)
|
| + return consumeIdent(range);
|
| + return consumeCustomIdent(range);
|
| }
|
|
|
| -void CSSPropertyParser::addExpandedPropertyForValue(CSSPropertyID propId, PassRefPtrWillBeRawPtr<CSSValue> prpValue, bool important)
|
| +// [ <string> <string> ]+ | none
|
| +static PassRefPtrWillBeRawPtr<CSSValue> consumeQuotes(CSSParserTokenRange& range)
|
| {
|
| - const StylePropertyShorthand& shorthand = shorthandForProperty(propId);
|
| - unsigned shorthandLength = shorthand.length();
|
| - if (!shorthandLength) {
|
| - addProperty(propId, prpValue, important);
|
| - return;
|
| + if (range.peek().id() == CSSValueNone)
|
| + return consumeIdent(range);
|
| + RefPtrWillBeRawPtr<CSSValueList> values = CSSValueList::createSpaceSeparated();
|
| + while (!range.atEnd()) {
|
| + RefPtrWillBeRawPtr<CSSValue> parsedValue = consumeString(range);
|
| + if (!parsedValue)
|
| + return nullptr;
|
| + values->append(parsedValue.release());
|
| }
|
| -
|
| - RefPtrWillBeRawPtr<CSSValue> value = prpValue;
|
| - ShorthandScope scope(this, propId);
|
| - const CSSPropertyID* longhands = shorthand.properties();
|
| - for (unsigned i = 0; i < shorthandLength; ++i)
|
| - addProperty(longhands[i], value, important);
|
| + if (values->length() && values->length() % 2 == 0)
|
| + return values.release();
|
| + return nullptr;
|
| }
|
|
|
| -bool CSSPropertyParser::parseValue(CSSPropertyID unresolvedProperty, bool important)
|
| +static PassRefPtrWillBeRawPtr<CSSValue> consumeWebkitHighlight(CSSParserTokenRange& range)
|
| {
|
| - CSSPropertyID propId = resolveCSSPropertyID(unresolvedProperty);
|
| -
|
| - CSSParserValue* value = m_valueList->current();
|
| -
|
| - // Note: m_parsedCalculation is used to pass the calc value to validUnit and then cleared at the end of this function.
|
| - // FIXME: This is to avoid having to pass parsedCalc to all validUnit callers.
|
| - ASSERT(!m_parsedCalculation);
|
| -
|
| - CSSValueID id = value->id;
|
| + if (range.peek().id() == CSSValueNone)
|
| + return consumeIdent(range);
|
| + return consumeString(range);
|
| +}
|
|
|
| - if (id == CSSValueInherit) {
|
| - if (m_valueList->size() != 1)
|
| - return false;
|
| - addExpandedPropertyForValue(propId, cssValuePool().createInheritedValue(), important);
|
| - return true;
|
| - } else if (id == CSSValueInitial) {
|
| - if (m_valueList->size() != 1)
|
| - return false;
|
| - addExpandedPropertyForValue(propId, cssValuePool().createExplicitInitialValue(), important);
|
| - return true;
|
| - } else if (id == CSSValueUnset) {
|
| - if (m_valueList->size() != 1)
|
| - return false;
|
| - addExpandedPropertyForValue(propId, cssValuePool().createUnsetValue(), important);
|
| - return true;
|
| +PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseSingleValue(CSSPropertyID propId)
|
| +{
|
| + m_range.consumeWhitespace();
|
| + switch (propId) {
|
| + case CSSPropertyWillChange:
|
| + return consumeWillChange(m_range);
|
| + case CSSPropertyPage:
|
| + return consumePage(m_range);
|
| + case CSSPropertyQuotes:
|
| + return consumeQuotes(m_range);
|
| + case CSSPropertyWebkitHighlight:
|
| + return consumeWebkitHighlight(m_range);
|
| + default:
|
| + return nullptr;
|
| }
|
| +}
|
|
|
| - if (CSSParserFastPaths::isKeywordPropertyID(propId)) {
|
| - if (!CSSParserFastPaths::isValidKeywordPropertyAndValue(propId, id))
|
| +bool CSSPropertyParser::parseShorthand(CSSPropertyID propId, bool important)
|
| +{
|
| + m_range.consumeWhitespace();
|
| + switch (propId) {
|
| + case CSSPropertyWebkitMarginCollapse: {
|
| + CSSValueID id = m_range.consumeIncludingWhitespace().id();
|
| + if (!CSSParserFastPaths::isValidKeywordPropertyAndValue(CSSPropertyWebkitMarginBeforeCollapse, id))
|
| return false;
|
| - if (m_valueList->next() && !inShorthand())
|
| + RefPtrWillBeRawPtr<CSSValue> beforeCollapse = cssValuePool().createIdentifierValue(id);
|
| + addProperty(CSSPropertyWebkitMarginBeforeCollapse, beforeCollapse, important);
|
| + if (m_range.atEnd()) {
|
| + addProperty(CSSPropertyWebkitMarginAfterCollapse, beforeCollapse, important);
|
| + return true;
|
| + }
|
| + id = m_range.consumeIncludingWhitespace().id();
|
| + if (!CSSParserFastPaths::isValidKeywordPropertyAndValue(CSSPropertyWebkitMarginAfterCollapse, id))
|
| return false;
|
| - addProperty(propId, cssValuePool().createIdentifierValue(id), important);
|
| + addProperty(CSSPropertyWebkitMarginAfterCollapse, cssValuePool().createIdentifierValue(id), important);
|
| return true;
|
| }
|
| -
|
| - bool validPrimitive = false;
|
| - Units unitless = FUnknown;
|
| - RefPtrWillBeRawPtr<CSSValue> parsedValue = nullptr;
|
| -
|
| - switch (propId) {
|
| - case CSSPropertySize: // <length>{1,2} | auto | [ <page-size> || [ portrait | landscape] ]
|
| - parsedValue = parseSize();
|
| - break;
|
| - case CSSPropertyQuotes: // [<string> <string>]+ | none
|
| - if (id == CSSValueNone)
|
| - validPrimitive = true;
|
| - else
|
| - parsedValue = parseQuotes();
|
| - break;
|
| -
|
| - case CSSPropertyContent: // [ <string> | <uri> | <counter> | attr(X) | open-quote |
|
| - // close-quote | no-open-quote | no-close-quote ]+ | inherit
|
| - parsedValue = parseContent();
|
| - break;
|
| - case CSSPropertyClip: // <shape> | auto | inherit
|
| - if (id == CSSValueAuto)
|
| - validPrimitive = true;
|
| - else if (value->m_unit == CSSParserValue::Function)
|
| - parsedValue = parseClipShape();
|
| - break;
|
| -
|
| - /* Start of supported CSS properties with validation. This is needed for parseShorthand to work
|
| - * correctly and allows optimization in blink::applyRule(..)
|
| - */
|
| case CSSPropertyOverflow: {
|
| - ShorthandScope scope(this, propId);
|
| - if (!parseValue(CSSPropertyOverflowY, important) || m_valueList->current())
|
| + CSSValueID id = m_range.consumeIncludingWhitespace().id();
|
| + if (!CSSParserFastPaths::isValidKeywordPropertyAndValue(CSSPropertyOverflowY, id))
|
| + return false;
|
| + if (!m_range.atEnd())
|
| return false;
|
| + RefPtrWillBeRawPtr<CSSValue> overflowYValue = cssValuePool().createIdentifierValue(id);
|
|
|
| RefPtrWillBeRawPtr<CSSValue> overflowXValue = nullptr;
|
|
|
| @@ -512,7439 +227,14 @@ bool CSSPropertyParser::parseValue(CSSPropertyID unresolvedProperty, bool import
|
| if (id == CSSValueWebkitPagedX || id == CSSValueWebkitPagedY)
|
| overflowXValue = cssValuePool().createIdentifierValue(CSSValueAuto);
|
| else
|
| - overflowXValue = m_parsedProperties.last().value();
|
| + overflowXValue = overflowYValue;
|
| addProperty(CSSPropertyOverflowX, overflowXValue.release(), important);
|
| + addProperty(CSSPropertyOverflowY, overflowYValue.release(), important);
|
| return true;
|
| }
|
| -
|
| - case CSSPropertyTextAlign:
|
| - // left | right | center | justify | -webkit-left | -webkit-right | -webkit-center | -webkit-match-parent
|
| - // | start | end | <string> | inherit | -webkit-auto (converted to start)
|
| - // FIXME: <string> not supported right now
|
| - if ((id >= CSSValueWebkitAuto && id <= CSSValueWebkitMatchParent) || id == CSSValueStart || id == CSSValueEnd) {
|
| - validPrimitive = true;
|
| - }
|
| - break;
|
| -
|
| - case CSSPropertyFontWeight: // normal | bold | bolder | lighter | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | inherit
|
| - return parseFontWeight(important) && !m_valueList->next();
|
| -
|
| - case CSSPropertyBorderSpacing: {
|
| - ShorthandScope scope(this, CSSPropertyBorderSpacing);
|
| - if (!parseValue(CSSPropertyWebkitBorderHorizontalSpacing, important))
|
| - return false;
|
| - if (!m_valueList->current()) {
|
| - CSSValue* value = m_parsedProperties.last().value();
|
| - addProperty(CSSPropertyWebkitBorderVerticalSpacing, value, important);
|
| - return true;
|
| - }
|
| - if (!parseValue(CSSPropertyWebkitBorderVerticalSpacing, important))
|
| - return false;
|
| - return !m_valueList->current();
|
| - }
|
| - case CSSPropertyWebkitBorderHorizontalSpacing:
|
| - case CSSPropertyWebkitBorderVerticalSpacing:
|
| - unitless = FLength | FNonNeg;
|
| - if (inShorthand() && m_currentShorthand == CSSPropertyBorderSpacing)
|
| - unitless = unitless | FUnitlessQuirk;
|
| - validPrimitive = validUnit(value, unitless);
|
| - break;
|
| - case CSSPropertyOutlineColor: // <color> | invert | inherit
|
| - // Outline color has "invert" as additional keyword.
|
| - // Also, we want to allow the special focus color even in HTML Standard parsing mode.
|
| - if (id == CSSValueInvert || id == CSSValueWebkitFocusRingColor) {
|
| - validPrimitive = true;
|
| - break;
|
| - }
|
| - /* nobreak */
|
| - case CSSPropertyBackgroundColor: // <color> | inherit
|
| - case CSSPropertyBorderTopColor: // <color> | inherit
|
| - case CSSPropertyBorderRightColor:
|
| - case CSSPropertyBorderBottomColor:
|
| - case CSSPropertyBorderLeftColor:
|
| - case CSSPropertyWebkitBorderStartColor:
|
| - case CSSPropertyWebkitBorderEndColor:
|
| - case CSSPropertyWebkitBorderBeforeColor:
|
| - case CSSPropertyWebkitBorderAfterColor:
|
| - case CSSPropertyColor: // <color> | inherit
|
| - case CSSPropertyTextDecorationColor: // CSS3 text decoration colors
|
| - case CSSPropertyWebkitColumnRuleColor:
|
| - case CSSPropertyWebkitTextEmphasisColor:
|
| - case CSSPropertyWebkitTextFillColor:
|
| - case CSSPropertyWebkitTextStrokeColor:
|
| - ASSERT(propId != CSSPropertyTextDecorationColor || RuntimeEnabledFeatures::css3TextDecorationsEnabled());
|
| - parsedValue = parseColor(m_valueList->current(), acceptQuirkyColors(propId));
|
| - if (parsedValue)
|
| - m_valueList->next();
|
| - break;
|
| -
|
| - case CSSPropertyCursor: {
|
| - // Grammar defined by CSS3 UI and modified by CSS4 images:
|
| - // [ [<image> [<x> <y>]?,]*
|
| - // [ auto | crosshair | default | pointer | progress | move | e-resize | ne-resize |
|
| - // nw-resize | n-resize | se-resize | sw-resize | s-resize | w-resize | ew-resize |
|
| - // ns-resize | nesw-resize | nwse-resize | col-resize | row-resize | text | wait | help |
|
| - // vertical-text | cell | context-menu | alias | copy | no-drop | not-allowed | all-scroll |
|
| - // zoom-in | zoom-out | -webkit-grab | -webkit-grabbing | -webkit-zoom-in | -webkit-zoom-out ] ] | inherit
|
| - RefPtrWillBeRawPtr<CSSValueList> list = nullptr;
|
| - while (value) {
|
| - RefPtrWillBeRawPtr<CSSValue> image = nullptr;
|
| - if (value->unit() == CSSPrimitiveValue::UnitType::URI) {
|
| - String uri = value->string;
|
| - if (!uri.isNull())
|
| - image = createCSSImageValueWithReferrer(uri, completeURL(uri));
|
| - } else if (value->m_unit == CSSParserValue::Function && value->function->id == CSSValueWebkitImageSet) {
|
| - image = parseImageSet(m_valueList);
|
| - if (!image)
|
| - break;
|
| - } else
|
| - break;
|
| -
|
| - Vector<int> coords;
|
| - value = m_valueList->next();
|
| - while (value && validUnit(value, FNumber)) {
|
| - coords.append(int(value->fValue));
|
| - value = m_valueList->next();
|
| - }
|
| - bool hotSpotSpecified = false;
|
| - IntPoint hotSpot(-1, -1);
|
| - int nrcoords = coords.size();
|
| - if (nrcoords > 0 && nrcoords != 2)
|
| - return false;
|
| - if (nrcoords == 2) {
|
| - hotSpotSpecified = true;
|
| - hotSpot = IntPoint(coords[0], coords[1]);
|
| - }
|
| -
|
| - if (!list)
|
| - list = CSSValueList::createCommaSeparated();
|
| -
|
| - if (image)
|
| - list->append(CSSCursorImageValue::create(image, hotSpotSpecified, hotSpot));
|
| -
|
| - if (!consumeComma(m_valueList))
|
| - return false;
|
| - value = m_valueList->current();
|
| - }
|
| - if (value && m_context.useCounter()) {
|
| - if (value->id == CSSValueWebkitZoomIn)
|
| - m_context.useCounter()->count(UseCounter::PrefixedCursorZoomIn);
|
| - else if (value->id == CSSValueWebkitZoomOut)
|
| - m_context.useCounter()->count(UseCounter::PrefixedCursorZoomOut);
|
| - }
|
| - if (list) {
|
| - if (!value)
|
| - return false;
|
| - if (inQuirksMode() && value->id == CSSValueHand) // MSIE 5 compatibility :/
|
| - list->append(cssValuePool().createIdentifierValue(CSSValuePointer));
|
| - else if ((value->id >= CSSValueAuto && value->id <= CSSValueWebkitZoomOut) || value->id == CSSValueCopy || value->id == CSSValueNone)
|
| - list->append(cssValuePool().createIdentifierValue(value->id));
|
| - m_valueList->next();
|
| - parsedValue = list.release();
|
| - break;
|
| - } else if (value) {
|
| - id = value->id;
|
| - if (inQuirksMode() && value->id == CSSValueHand) { // MSIE 5 compatibility :/
|
| - id = CSSValuePointer;
|
| - validPrimitive = true;
|
| - } else if ((value->id >= CSSValueAuto && value->id <= CSSValueWebkitZoomOut) || value->id == CSSValueCopy || value->id == CSSValueNone)
|
| - validPrimitive = true;
|
| - } else {
|
| - ASSERT_NOT_REACHED();
|
| - return false;
|
| - }
|
| - break;
|
| - }
|
| - case CSSPropertyImageOrientation:
|
| - if (RuntimeEnabledFeatures::imageOrientationEnabled())
|
| - validPrimitive = value->id == CSSValueFromImage || (value->unit() != CSSPrimitiveValue::UnitType::Number && validUnit(value, FAngle) && value->fValue == 0);
|
| - break;
|
| -
|
| - case CSSPropertyBackgroundBlendMode:
|
| - case CSSPropertyBackgroundAttachment:
|
| - case CSSPropertyBackgroundClip:
|
| - case CSSPropertyWebkitBackgroundClip:
|
| - case CSSPropertyWebkitBackgroundComposite:
|
| - case CSSPropertyBackgroundImage:
|
| - case CSSPropertyBackgroundOrigin:
|
| - case CSSPropertyMaskSourceType:
|
| - case CSSPropertyWebkitBackgroundOrigin:
|
| - case CSSPropertyBackgroundPosition:
|
| - case CSSPropertyBackgroundPositionX:
|
| - case CSSPropertyBackgroundPositionY:
|
| - case CSSPropertyBackgroundSize:
|
| - case CSSPropertyBackgroundRepeat:
|
| - case CSSPropertyWebkitMaskClip:
|
| - case CSSPropertyWebkitMaskComposite:
|
| - case CSSPropertyWebkitMaskImage:
|
| - case CSSPropertyWebkitMaskOrigin:
|
| - case CSSPropertyWebkitMaskPosition:
|
| - case CSSPropertyWebkitMaskPositionX:
|
| - case CSSPropertyWebkitMaskPositionY:
|
| - case CSSPropertyWebkitMaskSize:
|
| - case CSSPropertyWebkitMaskRepeat:
|
| - case CSSPropertyWebkitMaskRepeatX:
|
| - case CSSPropertyWebkitMaskRepeatY:
|
| - {
|
| - RefPtrWillBeRawPtr<CSSValue> val1 = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> val2 = nullptr;
|
| - CSSPropertyID propId1, propId2;
|
| - bool result = false;
|
| - if (parseFillProperty(unresolvedProperty, propId1, propId2, val1, val2)) {
|
| - if (propId == CSSPropertyBackgroundPosition ||
|
| - propId == CSSPropertyBackgroundRepeat ||
|
| - propId == CSSPropertyWebkitMaskPosition ||
|
| - propId == CSSPropertyWebkitMaskRepeat) {
|
| - ShorthandScope scope(this, propId);
|
| - addProperty(propId1, val1.release(), important);
|
| - if (val2)
|
| - addProperty(propId2, val2.release(), important);
|
| - } else {
|
| - addProperty(propId1, val1.release(), important);
|
| - if (val2)
|
| - addProperty(propId2, val2.release(), important);
|
| - }
|
| - result = true;
|
| - }
|
| - m_implicitShorthand = false;
|
| - return result;
|
| - }
|
| - case CSSPropertyObjectPosition:
|
| - parsedValue = parsePosition(m_valueList);
|
| - break;
|
| - case CSSPropertyListStyleImage: // <uri> | none | inherit
|
| - case CSSPropertyBorderImageSource:
|
| - case CSSPropertyWebkitMaskBoxImageSource:
|
| - if (id == CSSValueNone) {
|
| - parsedValue = cssValuePool().createIdentifierValue(CSSValueNone);
|
| - m_valueList->next();
|
| - } else if (value->unit() == CSSPrimitiveValue::UnitType::URI) {
|
| - parsedValue = createCSSImageValueWithReferrer(value->string, completeURL(value->string));
|
| - m_valueList->next();
|
| - } else if (isGeneratedImageValue(value)) {
|
| - if (parseGeneratedImage(m_valueList, parsedValue))
|
| - m_valueList->next();
|
| - else
|
| - return false;
|
| - } else if (value->m_unit == CSSParserValue::Function && value->function->id == CSSValueWebkitImageSet) {
|
| - parsedValue = parseImageSet(m_valueList);
|
| - if (!parsedValue)
|
| - return false;
|
| - m_valueList->next();
|
| - }
|
| - break;
|
| -
|
| - case CSSPropertyBorderTopWidth: //// <border-width> | inherit
|
| - case CSSPropertyBorderRightWidth: // Which is defined as
|
| - case CSSPropertyBorderBottomWidth: // thin | medium | thick | <length>
|
| - case CSSPropertyBorderLeftWidth:
|
| - if (!inShorthand() || m_currentShorthand == CSSPropertyBorderWidth)
|
| - unitless = FUnitlessQuirk;
|
| - // fall through
|
| - case CSSPropertyWebkitTextStrokeWidth:
|
| - case CSSPropertyOutlineWidth: // <border-width> | inherit
|
| - case CSSPropertyWebkitBorderStartWidth:
|
| - case CSSPropertyWebkitBorderEndWidth:
|
| - case CSSPropertyWebkitBorderBeforeWidth:
|
| - case CSSPropertyWebkitBorderAfterWidth:
|
| - case CSSPropertyWebkitColumnRuleWidth:
|
| - if (id == CSSValueThin || id == CSSValueMedium || id == CSSValueThick)
|
| - validPrimitive = true;
|
| - else
|
| - validPrimitive = validUnit(value, FLength | FNonNeg | unitless);
|
| - break;
|
| -
|
| - case CSSPropertyLetterSpacing: // normal | <length> | inherit
|
| - case CSSPropertyWordSpacing: // normal | <length> | inherit
|
| - if (id == CSSValueNormal)
|
| - validPrimitive = true;
|
| - else
|
| - validPrimitive = validUnit(value, FLength | FUnitlessQuirk);
|
| - break;
|
| -
|
| - case CSSPropertyTextIndent:
|
| - parsedValue = parseTextIndent();
|
| - break;
|
| -
|
| - case CSSPropertyPaddingTop: //// <padding-width> | inherit
|
| - case CSSPropertyPaddingRight: // Which is defined as
|
| - case CSSPropertyPaddingBottom: // <length> | <percentage>
|
| - case CSSPropertyPaddingLeft: ////
|
| - unitless = FUnitlessQuirk;
|
| - // fall through
|
| - case CSSPropertyWebkitPaddingStart:
|
| - case CSSPropertyWebkitPaddingEnd:
|
| - case CSSPropertyWebkitPaddingBefore:
|
| - case CSSPropertyWebkitPaddingAfter:
|
| - validPrimitive = validUnit(value, FLength | FPercent | FNonNeg | unitless);
|
| - break;
|
| -
|
| - case CSSPropertyMaxWidth:
|
| - case CSSPropertyMaxHeight:
|
| - unitless = FUnitlessQuirk;
|
| - // fall through
|
| - case CSSPropertyWebkitMaxLogicalWidth:
|
| - case CSSPropertyWebkitMaxLogicalHeight:
|
| - validPrimitive = (id == CSSValueNone || validWidthOrHeight(value, unitless));
|
| - break;
|
| -
|
| - case CSSPropertyMinWidth:
|
| - case CSSPropertyMinHeight:
|
| - case CSSPropertyWidth:
|
| - case CSSPropertyHeight:
|
| - unitless = FUnitlessQuirk;
|
| - // fall through
|
| - case CSSPropertyWebkitMinLogicalWidth:
|
| - case CSSPropertyWebkitMinLogicalHeight:
|
| - case CSSPropertyWebkitLogicalWidth:
|
| - case CSSPropertyWebkitLogicalHeight:
|
| - validPrimitive = (id == CSSValueAuto || validWidthOrHeight(value, unitless));
|
| - break;
|
| -
|
| - case CSSPropertyFontSize:
|
| - return parseFontSize(important);
|
| -
|
| - case CSSPropertyFontVariant: // normal | small-caps | inherit
|
| - return parseFontVariant(important);
|
| -
|
| - case CSSPropertyVerticalAlign:
|
| - // baseline | sub | super | top | text-top | middle | bottom | text-bottom |
|
| - // <percentage> | <length> | inherit
|
| -
|
| - if (id >= CSSValueBaseline && id <= CSSValueWebkitBaselineMiddle)
|
| - validPrimitive = true;
|
| - else
|
| - validPrimitive = validUnit(value, FLength | FPercent | FUnitlessQuirk);
|
| - break;
|
| -
|
| - case CSSPropertyBottom: // <length> | <percentage> | auto | inherit
|
| - case CSSPropertyLeft: // <length> | <percentage> | auto | inherit
|
| - case CSSPropertyRight: // <length> | <percentage> | auto | inherit
|
| - case CSSPropertyTop: // <length> | <percentage> | auto | inherit
|
| - case CSSPropertyMarginTop: //// <margin-width> | inherit
|
| - case CSSPropertyMarginRight: // Which is defined as
|
| - case CSSPropertyMarginBottom: // <length> | <percentage> | auto | inherit
|
| - case CSSPropertyMarginLeft: ////
|
| - unitless = FUnitlessQuirk;
|
| - // fall through
|
| - case CSSPropertyWebkitMarginStart:
|
| - case CSSPropertyWebkitMarginEnd:
|
| - case CSSPropertyWebkitMarginBefore:
|
| - case CSSPropertyWebkitMarginAfter:
|
| - if (id == CSSValueAuto)
|
| - validPrimitive = true;
|
| - else
|
| - validPrimitive = validUnit(value, FLength | FPercent | unitless);
|
| - break;
|
| -
|
| - case CSSPropertyOrphans: // <integer> | inherit | auto (We've added support for auto for backwards compatibility)
|
| - case CSSPropertyWidows: // <integer> | inherit | auto (Ditto)
|
| - if (id == CSSValueAuto)
|
| - validPrimitive = true;
|
| - else
|
| - validPrimitive = validUnit(value, FPositiveInteger);
|
| - break;
|
| -
|
| - case CSSPropertyZIndex: // auto | <integer> | inherit
|
| - if (id == CSSValueAuto) {
|
| - validPrimitive = true;
|
| - } else if (validUnit(value, FInteger)) {
|
| - addProperty(propId, cssValuePool().createValue(value->fValue, CSSPrimitiveValue::UnitType::Integer), important);
|
| - return true;
|
| - }
|
| - break;
|
| -
|
| - case CSSPropertyLineHeight:
|
| - parsedValue = parseLineHeight();
|
| - break;
|
| - case CSSPropertyCounterIncrement:
|
| - if (id == CSSValueNone)
|
| - validPrimitive = true;
|
| - else
|
| - parsedValue = parseCounter(1);
|
| - break;
|
| - case CSSPropertyCounterReset:
|
| - if (id == CSSValueNone)
|
| - validPrimitive = true;
|
| - else
|
| - parsedValue = parseCounter(0);
|
| - break;
|
| - case CSSPropertyFontFamily:
|
| - // [[ <family-name> | <generic-family> ],]* [<family-name> | <generic-family>] | inherit
|
| - {
|
| - parsedValue = parseFontFamily();
|
| - break;
|
| - }
|
| -
|
| - case CSSPropertyTextDecoration:
|
| - // Fall through 'text-decoration-line' parsing if CSS 3 Text Decoration
|
| - // is disabled to match CSS 2.1 rules for parsing 'text-decoration'.
|
| - if (RuntimeEnabledFeatures::css3TextDecorationsEnabled()) {
|
| - // [ <text-decoration-line> || <text-decoration-style> || <text-decoration-color> ] | inherit
|
| - return parseShorthand(CSSPropertyTextDecoration, textDecorationShorthand(), important);
|
| - }
|
| - case CSSPropertyWebkitTextDecorationsInEffect:
|
| - case CSSPropertyTextDecorationLine:
|
| - // none | [ underline || overline || line-through || blink ] | inherit
|
| - parsedValue = parseTextDecoration();
|
| - break;
|
| -
|
| - case CSSPropertyTextUnderlinePosition:
|
| - // auto | [ under || [ left | right ] ], but we only support auto | under for now
|
| - ASSERT(RuntimeEnabledFeatures::css3TextDecorationsEnabled());
|
| - validPrimitive = (id == CSSValueAuto || id == CSSValueUnder);
|
| - break;
|
| -
|
| - case CSSPropertyZoom: // normal | reset | document | <number> | <percentage> | inherit
|
| - if (id == CSSValueNormal || id == CSSValueReset || id == CSSValueDocument)
|
| - validPrimitive = true;
|
| - else
|
| - validPrimitive = validUnit(value, FNumber | FPercent | FNonNeg);
|
| - if (validPrimitive && m_context.useCounter()
|
| - && !(id == CSSValueNormal
|
| - || (value->unit() == CSSPrimitiveValue::UnitType::Number && value->fValue == 1)
|
| - || (value->unit() == CSSPrimitiveValue::UnitType::Percentage && value->fValue == 100)))
|
| - m_context.useCounter()->count(UseCounter::CSSZoomNotEqualToOne);
|
| - break;
|
| -
|
| - case CSSPropertySrc:
|
| - case CSSPropertyUnicodeRange:
|
| - /* @font-face only descriptors */
|
| - break;
|
| -
|
| - /* CSS3 properties */
|
| -
|
| - case CSSPropertyBorderImage:
|
| - case CSSPropertyWebkitMaskBoxImage:
|
| - return parseBorderImageShorthand(propId, important);
|
| - case CSSPropertyWebkitBorderImage: {
|
| - if (RefPtrWillBeRawPtr<CSSValue> result = parseBorderImage(propId)) {
|
| - addProperty(propId, result, important);
|
| - return true;
|
| - }
|
| + default:
|
| return false;
|
| }
|
| -
|
| - case CSSPropertyBorderImageOutset:
|
| - case CSSPropertyWebkitMaskBoxImageOutset: {
|
| - RefPtrWillBeRawPtr<CSSQuadValue> result = nullptr;
|
| - if (parseBorderImageOutset(result)) {
|
| - addProperty(propId, result, important);
|
| - return true;
|
| - }
|
| - break;
|
| - }
|
| - case CSSPropertyBorderImageRepeat:
|
| - case CSSPropertyWebkitMaskBoxImageRepeat: {
|
| - RefPtrWillBeRawPtr<CSSValue> result = nullptr;
|
| - if (parseBorderImageRepeat(result)) {
|
| - addProperty(propId, result, important);
|
| - return true;
|
| - }
|
| - break;
|
| - }
|
| - case CSSPropertyBorderImageSlice:
|
| - case CSSPropertyWebkitMaskBoxImageSlice: {
|
| - RefPtrWillBeRawPtr<CSSBorderImageSliceValue> result = nullptr;
|
| - if (parseBorderImageSlice(propId, result)) {
|
| - addProperty(propId, result, important);
|
| - return true;
|
| - }
|
| - break;
|
| - }
|
| - case CSSPropertyBorderImageWidth:
|
| - case CSSPropertyWebkitMaskBoxImageWidth: {
|
| - RefPtrWillBeRawPtr<CSSQuadValue> result = nullptr;
|
| - if (parseBorderImageWidth(result)) {
|
| - addProperty(propId, result, important);
|
| - return true;
|
| - }
|
| - break;
|
| - }
|
| - case CSSPropertyBorderTopRightRadius:
|
| - case CSSPropertyBorderTopLeftRadius:
|
| - case CSSPropertyBorderBottomLeftRadius:
|
| - case CSSPropertyBorderBottomRightRadius: {
|
| - validPrimitive = validUnit(value, FLength | FPercent | FNonNeg);
|
| - if (!validPrimitive)
|
| - return false;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> parsedValue1 = createPrimitiveNumericValue(value);
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> parsedValue2 = nullptr;
|
| - value = m_valueList->next();
|
| - if (value) {
|
| - validPrimitive = validUnit(value, FLength | FPercent | FNonNeg);
|
| - if (!validPrimitive)
|
| - return false;
|
| - parsedValue2 = createPrimitiveNumericValue(value);
|
| - } else
|
| - parsedValue2 = parsedValue1;
|
| -
|
| - if (m_valueList->next())
|
| - return false;
|
| - addProperty(propId, CSSValuePair::create(parsedValue1.release(), parsedValue2.release(), CSSValuePair::DropIdenticalValues), important);
|
| - return true;
|
| - }
|
| - case CSSPropertyTabSize:
|
| - // May be specified as a unit-less non-negative integer or length indicating number of space characters.
|
| - validPrimitive = validUnit(value, FInteger | FLength | FNonNeg);
|
| - break;
|
| - case CSSPropertyBorderRadius:
|
| - case CSSPropertyAliasWebkitBorderRadius:
|
| - return parseBorderRadius(unresolvedProperty, important);
|
| - case CSSPropertyOutlineOffset:
|
| - validPrimitive = validUnit(value, FLength);
|
| - break;
|
| - case CSSPropertyTextShadow: // CSS2 property, dropped in CSS2.1, back in CSS3, so treat as CSS3
|
| - case CSSPropertyBoxShadow:
|
| - if (id == CSSValueNone)
|
| - validPrimitive = true;
|
| - else
|
| - parsedValue = parseShadow(m_valueList, propId);
|
| - break;
|
| - case CSSPropertyWebkitBoxReflect:
|
| - if (id == CSSValueNone)
|
| - validPrimitive = true;
|
| - else
|
| - parsedValue = parseReflect();
|
| - break;
|
| - case CSSPropertyFontSizeAdjust: // none | <number>
|
| - ASSERT(RuntimeEnabledFeatures::cssFontSizeAdjustEnabled());
|
| - validPrimitive = (id == CSSValueNone) ? true : validUnit(value, FNumber | FNonNeg);
|
| - break;
|
| - case CSSPropertyOpacity:
|
| - case CSSPropertyWebkitBoxFlex:
|
| - validPrimitive = validUnit(value, FNumber);
|
| - break;
|
| - case CSSPropertyWebkitBoxFlexGroup:
|
| - validPrimitive = validUnit(value, FInteger | FNonNeg);
|
| - break;
|
| - case CSSPropertyWebkitBoxOrdinalGroup:
|
| - validPrimitive = validUnit(value, FInteger | FNonNeg) && value->fValue;
|
| - break;
|
| - case CSSPropertyWebkitFilter:
|
| - case CSSPropertyBackdropFilter:
|
| - if (id == CSSValueNone)
|
| - validPrimitive = true;
|
| - else {
|
| - RefPtrWillBeRawPtr<CSSValue> val = parseFilter();
|
| - if (val) {
|
| - addProperty(propId, val, important);
|
| - return true;
|
| - }
|
| - return false;
|
| - }
|
| - break;
|
| - case CSSPropertyFlex: {
|
| - ShorthandScope scope(this, propId);
|
| - if (id == CSSValueNone) {
|
| - addProperty(CSSPropertyFlexGrow, cssValuePool().createValue(0, CSSPrimitiveValue::UnitType::Number), important);
|
| - addProperty(CSSPropertyFlexShrink, cssValuePool().createValue(0, CSSPrimitiveValue::UnitType::Number), important);
|
| - addProperty(CSSPropertyFlexBasis, cssValuePool().createIdentifierValue(CSSValueAuto), important);
|
| - return true;
|
| - }
|
| - return parseFlex(m_valueList, important);
|
| - }
|
| - case CSSPropertyFlexBasis:
|
| - // FIXME: Support intrinsic dimensions too.
|
| - if (id == CSSValueAuto)
|
| - validPrimitive = true;
|
| - else
|
| - validPrimitive = validUnit(value, FLength | FPercent | FNonNeg);
|
| - break;
|
| - case CSSPropertyFlexGrow:
|
| - case CSSPropertyFlexShrink:
|
| - validPrimitive = validUnit(value, FNumber | FNonNeg);
|
| - break;
|
| - case CSSPropertyOrder:
|
| - validPrimitive = validUnit(value, FInteger);
|
| - break;
|
| - case CSSPropertyTransform:
|
| - if (id == CSSValueNone)
|
| - validPrimitive = true;
|
| - else
|
| - parsedValue = parseTransform(unresolvedProperty == CSSPropertyAliasWebkitTransform);
|
| - break;
|
| - case CSSPropertyTransformOrigin: {
|
| - RefPtrWillBeRawPtr<CSSValueList> list = parseTransformOrigin();
|
| - if (!list)
|
| - return false;
|
| - // These values are added to match gecko serialization.
|
| - if (list->length() == 1)
|
| - list->append(cssValuePool().createValue(50, CSSPrimitiveValue::UnitType::Percentage));
|
| - if (list->length() == 2)
|
| - list->append(cssValuePool().createValue(0, CSSPrimitiveValue::UnitType::Pixels));
|
| - addProperty(propId, list.release(), important);
|
| - return true;
|
| - }
|
| -
|
| - case CSSPropertyTranslate: {
|
| - // translate : [ <length> | <percentage> ] [[ <length> | <percentage> ] <length>? ]?
|
| - // defaults to 0 on all axis, note that the last value CANNOT be a percentage
|
| - ASSERT(RuntimeEnabledFeatures::cssIndependentTransformPropertiesEnabled());
|
| - RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
|
| - if (!validUnit(value, FLength | FPercent))
|
| - return false;
|
| -
|
| - list->append(createPrimitiveNumericValue(value));
|
| - value = m_valueList->next();
|
| -
|
| - if (value) {
|
| - if (!validUnit(value, FLength | FPercent))
|
| - return false;
|
| -
|
| - list->append(createPrimitiveNumericValue(value));
|
| - value = m_valueList->next();
|
| -
|
| - if (value) {
|
| - if (!validUnit(value, FLength))
|
| - return false;
|
| -
|
| - list->append(createPrimitiveNumericValue(value));
|
| - value = m_valueList->next();
|
| - }
|
| - }
|
| -
|
| - parsedValue = list.release();
|
| - break;
|
| - }
|
| -
|
| - case CSSPropertyRotate: { // rotate : <angle> <number>{3}? defaults to a 0 0 1
|
| - ASSERT(RuntimeEnabledFeatures::cssIndependentTransformPropertiesEnabled());
|
| - RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
|
| -
|
| - if (!validUnit(value, FAngle))
|
| - return false;
|
| - list->append(createPrimitiveNumericValue(value));
|
| - value = m_valueList->next();
|
| -
|
| - if (!value) {
|
| - parsedValue = list.release();
|
| - break;
|
| - }
|
| -
|
| - for (unsigned i = 0; i < 3; i++) { // 3 dimensions of rotation
|
| - if (!value || !validUnit(value, FNumber))
|
| - return false;
|
| - list->append(createPrimitiveNumericValue(value));
|
| - value = m_valueList->next();
|
| - }
|
| -
|
| - parsedValue = list.release();
|
| - break;
|
| - }
|
| -
|
| - case CSSPropertyScale: { // scale: <number>{1,3}, default scale for all axis is 1
|
| - ASSERT(RuntimeEnabledFeatures::cssIndependentTransformPropertiesEnabled());
|
| - RefPtrWillBeRawPtr<CSSValueList> scaleList = CSSValueList::createSpaceSeparated();
|
| -
|
| - for (unsigned i = 0; value && i < 3; i++) { // up to 3 dimensions of scale
|
| - if (!validUnit(value, FNumber))
|
| - return false;
|
| - scaleList->append(createPrimitiveNumericValue(value));
|
| - value = m_valueList->next();
|
| - }
|
| -
|
| - parsedValue = scaleList.release();
|
| - break;
|
| - }
|
| -
|
| - case CSSPropertyWebkitPerspectiveOriginX:
|
| - case CSSPropertyWebkitTransformOriginX:
|
| - parsedValue = parseFillPositionX(m_valueList);
|
| - if (parsedValue)
|
| - m_valueList->next();
|
| - break;
|
| - case CSSPropertyWebkitPerspectiveOriginY:
|
| - case CSSPropertyWebkitTransformOriginY:
|
| - parsedValue = parseFillPositionY(m_valueList);
|
| - if (parsedValue)
|
| - m_valueList->next();
|
| - break;
|
| - case CSSPropertyWebkitTransformOriginZ:
|
| - validPrimitive = validUnit(value, FLength);
|
| - break;
|
| - case CSSPropertyPerspective:
|
| - if (id == CSSValueNone) {
|
| - validPrimitive = true;
|
| - } else if (validUnit(value, FLength) && (m_parsedCalculation || value->fValue > 0)) {
|
| - validPrimitive = true;
|
| - } else if (unresolvedProperty == CSSPropertyAliasWebkitPerspective && validUnit(value, FNumber) && value->fValue > 0) {
|
| - value->setUnit(CSSPrimitiveValue::UnitType::Pixels);
|
| - validPrimitive = true;
|
| - } else {
|
| - return false;
|
| - }
|
| - break;
|
| - case CSSPropertyPerspectiveOrigin: {
|
| - RefPtrWillBeRawPtr<CSSValueList> list = parseTransformOrigin();
|
| - if (!list || list->length() == 3)
|
| - return false;
|
| - // This values are added to match gecko serialization.
|
| - if (list->length() == 1)
|
| - list->append(cssValuePool().createValue(50, CSSPrimitiveValue::UnitType::Percentage));
|
| - addProperty(propId, list.release(), important);
|
| - return true;
|
| - }
|
| -
|
| - case CSSPropertyMotion:
|
| - // <motion-path> && <motion-offset> && <motion-rotation>
|
| - ASSERT(RuntimeEnabledFeatures::cssMotionPathEnabled());
|
| - return parseShorthand(propId, motionShorthand(), important);
|
| - case CSSPropertyMotionPath:
|
| - ASSERT(RuntimeEnabledFeatures::cssMotionPathEnabled());
|
| - if (id == CSSValueNone)
|
| - validPrimitive = true;
|
| - else
|
| - parsedValue = parseMotionPath();
|
| - break;
|
| - case CSSPropertyMotionOffset:
|
| - ASSERT(RuntimeEnabledFeatures::cssMotionPathEnabled());
|
| - validPrimitive = validUnit(value, FLength | FPercent);
|
| - break;
|
| - case CSSPropertyMotionRotation:
|
| - ASSERT(RuntimeEnabledFeatures::cssMotionPathEnabled());
|
| - parsedValue = parseMotionRotation();
|
| - break;
|
| -
|
| - case CSSPropertyAnimationDelay:
|
| - case CSSPropertyAnimationDirection:
|
| - case CSSPropertyAnimationDuration:
|
| - case CSSPropertyAnimationFillMode:
|
| - case CSSPropertyAnimationName:
|
| - case CSSPropertyAnimationPlayState:
|
| - case CSSPropertyAnimationIterationCount:
|
| - case CSSPropertyAnimationTimingFunction:
|
| - case CSSPropertyTransitionDelay:
|
| - case CSSPropertyTransitionDuration:
|
| - case CSSPropertyTransitionTimingFunction:
|
| - case CSSPropertyTransitionProperty:
|
| - parsedValue = parseAnimationPropertyList(propId, unresolvedProperty == CSSPropertyAliasWebkitAnimationName);
|
| - break;
|
| -
|
| - case CSSPropertyJustifyContent:
|
| - parsedValue = parseContentDistributionOverflowPosition();
|
| - break;
|
| - case CSSPropertyJustifySelf:
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| - return parseItemPositionOverflowPosition(propId, important);
|
| - case CSSPropertyJustifyItems:
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| -
|
| - if (parseLegacyPosition(propId, important))
|
| - return true;
|
| -
|
| - m_valueList->setCurrentIndex(0);
|
| - return parseItemPositionOverflowPosition(propId, important);
|
| - case CSSPropertyGridAutoFlow:
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| - parsedValue = parseGridAutoFlow(*m_valueList);
|
| - break;
|
| - case CSSPropertyGridAutoColumns:
|
| - case CSSPropertyGridAutoRows:
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| - parsedValue = parseGridTrackSize(*m_valueList);
|
| - break;
|
| -
|
| - case CSSPropertyGridTemplateColumns:
|
| - case CSSPropertyGridTemplateRows:
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| - parsedValue = parseGridTrackList();
|
| - break;
|
| -
|
| - case CSSPropertyGridColumnEnd:
|
| - case CSSPropertyGridColumnStart:
|
| - case CSSPropertyGridRowEnd:
|
| - case CSSPropertyGridRowStart:
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| - parsedValue = parseGridPosition();
|
| - break;
|
| -
|
| - case CSSPropertyGridColumn:
|
| - case CSSPropertyGridRow:
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| - return parseGridItemPositionShorthand(propId, important);
|
| -
|
| - case CSSPropertyGridArea:
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| - return parseGridAreaShorthand(important);
|
| -
|
| - case CSSPropertyGridTemplateAreas:
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| - parsedValue = parseGridTemplateAreas();
|
| - break;
|
| -
|
| - case CSSPropertyGridTemplate:
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| - return parseGridTemplateShorthand(important);
|
| -
|
| - case CSSPropertyGrid:
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| - return parseGridShorthand(important);
|
| -
|
| - case CSSPropertyWebkitMarginCollapse: {
|
| - ShorthandScope scope(this, CSSPropertyWebkitMarginCollapse);
|
| - if (!parseValue(webkitMarginCollapseShorthand().properties()[0], important))
|
| - return false;
|
| - if (!m_valueList->current()) {
|
| - CSSValue* value = m_parsedProperties.last().value();
|
| - addProperty(webkitMarginCollapseShorthand().properties()[1], value, important);
|
| - return true;
|
| - }
|
| - if (!parseValue(webkitMarginCollapseShorthand().properties()[1], important))
|
| - return false;
|
| - return !m_valueList->current();
|
| - }
|
| - case CSSPropertyWebkitColumnCount:
|
| - parsedValue = parseColumnCount();
|
| - break;
|
| - case CSSPropertyWebkitColumnGap: // normal | <length>
|
| - if (id == CSSValueNormal)
|
| - validPrimitive = true;
|
| - else
|
| - validPrimitive = validUnit(value, FLength | FNonNeg);
|
| - break;
|
| - case CSSPropertyWebkitColumnSpan: // none | all | 1 (will be dropped in the unprefixed property)
|
| - validPrimitive = id == CSSValueAll || id == CSSValueNone || (value->unit() == CSSPrimitiveValue::UnitType::Number && value->fValue == 1);
|
| - break;
|
| - case CSSPropertyWebkitColumnWidth: // auto | <length>
|
| - parsedValue = parseColumnWidth();
|
| - break;
|
| - case CSSPropertyWillChange:
|
| - parsedValue = parseWillChange();
|
| - break;
|
| - // End of CSS3 properties
|
| -
|
| - // Apple specific properties. These will never be standardized and are purely to
|
| - // support custom WebKit-based Apple applications.
|
| - case CSSPropertyWebkitLineClamp:
|
| - // When specifying number of lines, don't allow 0 as a valid value
|
| - // When specifying either type of unit, require non-negative integers
|
| - validPrimitive = (!id && !isCalculation(value) && validUnit(value, FInteger | FPercent | FNonNeg) && (value->unit() == CSSPrimitiveValue::UnitType::Percentage || value->fValue));
|
| - break;
|
| -
|
| - case CSSPropertyWebkitFontSizeDelta: // <length>
|
| - validPrimitive = validUnit(value, FLength | FUnitlessQuirk);
|
| - break;
|
| -
|
| - case CSSPropertyWebkitHighlight:
|
| - if (id == CSSValueNone) {
|
| - validPrimitive = true;
|
| - } else if (value->unit() == CSSPrimitiveValue::UnitType::String) {
|
| - parsedValue = createPrimitiveStringValue(value);
|
| - m_valueList->next();
|
| - }
|
| - break;
|
| -
|
| - case CSSPropertyWebkitHyphenateCharacter:
|
| - case CSSPropertyWebkitLocale:
|
| - if (id == CSSValueAuto) {
|
| - validPrimitive = true;
|
| - } else if (value->unit() == CSSPrimitiveValue::UnitType::String) {
|
| - parsedValue = createPrimitiveStringValue(value);
|
| - m_valueList->next();
|
| - }
|
| - break;
|
| -
|
| - // End Apple-specific properties
|
| -
|
| - case CSSPropertyWebkitAppRegion:
|
| - if (id >= CSSValueDrag && id <= CSSValueNoDrag)
|
| - validPrimitive = true;
|
| - break;
|
| -
|
| - case CSSPropertyWebkitTapHighlightColor:
|
| - parsedValue = parseColor(m_valueList->current());
|
| - if (parsedValue)
|
| - m_valueList->next();
|
| - break;
|
| -
|
| - /* shorthand properties */
|
| - case CSSPropertyBackground: {
|
| - // Position must come before color in this array because a plain old "0" is a legal color
|
| - // in quirks mode but it's usually the X coordinate of a position.
|
| - const CSSPropertyID properties[] = { CSSPropertyBackgroundImage, CSSPropertyBackgroundRepeat,
|
| - CSSPropertyBackgroundAttachment, CSSPropertyBackgroundPosition, CSSPropertyBackgroundOrigin,
|
| - CSSPropertyBackgroundClip, CSSPropertyBackgroundColor, CSSPropertyBackgroundSize };
|
| - return parseFillShorthand(propId, properties, WTF_ARRAY_LENGTH(properties), important);
|
| - }
|
| - case CSSPropertyWebkitMask: {
|
| - const CSSPropertyID properties[] = { CSSPropertyWebkitMaskImage, CSSPropertyWebkitMaskRepeat,
|
| - CSSPropertyWebkitMaskPosition, CSSPropertyWebkitMaskOrigin, CSSPropertyWebkitMaskClip, CSSPropertyWebkitMaskSize };
|
| - return parseFillShorthand(propId, properties, WTF_ARRAY_LENGTH(properties), important);
|
| - }
|
| - case CSSPropertyBorder:
|
| - // [ 'border-width' || 'border-style' || <color> ] | inherit
|
| - {
|
| - if (parseShorthand(propId, borderShorthandForParsing(), important)) {
|
| - // The CSS3 Borders and Backgrounds specification says that border also resets border-image. It's as
|
| - // though a value of none was specified for the image.
|
| - addExpandedPropertyForValue(CSSPropertyBorderImage, cssValuePool().createImplicitInitialValue(), important);
|
| - return true;
|
| - }
|
| - return false;
|
| - }
|
| - case CSSPropertyBorderTop:
|
| - // [ 'border-top-width' || 'border-style' || <color> ] | inherit
|
| - return parseShorthand(propId, borderTopShorthand(), important);
|
| - case CSSPropertyBorderRight:
|
| - // [ 'border-right-width' || 'border-style' || <color> ] | inherit
|
| - return parseShorthand(propId, borderRightShorthand(), important);
|
| - case CSSPropertyBorderBottom:
|
| - // [ 'border-bottom-width' || 'border-style' || <color> ] | inherit
|
| - return parseShorthand(propId, borderBottomShorthand(), important);
|
| - case CSSPropertyBorderLeft:
|
| - // [ 'border-left-width' || 'border-style' || <color> ] | inherit
|
| - return parseShorthand(propId, borderLeftShorthand(), important);
|
| - case CSSPropertyWebkitBorderStart:
|
| - return parseShorthand(propId, webkitBorderStartShorthand(), important);
|
| - case CSSPropertyWebkitBorderEnd:
|
| - return parseShorthand(propId, webkitBorderEndShorthand(), important);
|
| - case CSSPropertyWebkitBorderBefore:
|
| - return parseShorthand(propId, webkitBorderBeforeShorthand(), important);
|
| - case CSSPropertyWebkitBorderAfter:
|
| - return parseShorthand(propId, webkitBorderAfterShorthand(), important);
|
| - case CSSPropertyOutline:
|
| - // [ 'outline-color' || 'outline-style' || 'outline-width' ] | inherit
|
| - return parseShorthand(propId, outlineShorthand(), important);
|
| - case CSSPropertyBorderColor:
|
| - // <color>{1,4} | inherit
|
| - return parse4Values(propId, borderColorShorthand().properties(), important);
|
| - case CSSPropertyBorderWidth:
|
| - // <border-width>{1,4} | inherit
|
| - return parse4Values(propId, borderWidthShorthand().properties(), important);
|
| - case CSSPropertyBorderStyle:
|
| - // <border-style>{1,4} | inherit
|
| - return parse4Values(propId, borderStyleShorthand().properties(), important);
|
| - case CSSPropertyMargin:
|
| - // <margin-width>{1,4} | inherit
|
| - return parse4Values(propId, marginShorthand().properties(), important);
|
| - case CSSPropertyPadding:
|
| - // <padding-width>{1,4} | inherit
|
| - return parse4Values(propId, paddingShorthand().properties(), important);
|
| - case CSSPropertyFlexFlow:
|
| - return parseShorthand(propId, flexFlowShorthand(), important);
|
| - case CSSPropertyFont:
|
| - // [ [ 'font-style' || 'font-variant' || 'font-weight' ]? 'font-size' [ / 'line-height' ]?
|
| - // 'font-family' ] | caption | icon | menu | message-box | small-caption | status-bar | inherit
|
| - if (id >= CSSValueCaption && id <= CSSValueStatusBar)
|
| - return parseSystemFont(important);
|
| - return parseFont(important);
|
| - case CSSPropertyListStyle:
|
| - return parseShorthand(propId, listStyleShorthand(), important);
|
| - case CSSPropertyWebkitColumns:
|
| - return parseColumnsShorthand(important);
|
| - case CSSPropertyWebkitColumnRule:
|
| - return parseShorthand(propId, webkitColumnRuleShorthand(), important);
|
| - case CSSPropertyWebkitTextStroke:
|
| - return parseShorthand(propId, webkitTextStrokeShorthand(), important);
|
| - case CSSPropertyAnimation:
|
| - return parseAnimationShorthand(unresolvedProperty == CSSPropertyAliasWebkitAnimation, important);
|
| - case CSSPropertyTransition:
|
| - return parseTransitionShorthand(important);
|
| - case CSSPropertyInvalid:
|
| - return false;
|
| - case CSSPropertyPage:
|
| - parsedValue = parsePage();
|
| - break;
|
| - // CSS Text Layout Module Level 3: Vertical writing support
|
| - case CSSPropertyWebkitTextEmphasis:
|
| - return parseShorthand(propId, webkitTextEmphasisShorthand(), important);
|
| -
|
| - case CSSPropertyWebkitTextEmphasisStyle:
|
| - parsedValue = parseTextEmphasisStyle();
|
| - break;
|
| -
|
| - case CSSPropertyWebkitTextOrientation:
|
| - // FIXME: For now just support sideways, sideways-right, upright and vertical-right.
|
| - if (id == CSSValueSideways || id == CSSValueSidewaysRight || id == CSSValueVerticalRight || id == CSSValueUpright)
|
| - validPrimitive = true;
|
| - break;
|
| -
|
| - case CSSPropertyWebkitFontFeatureSettings:
|
| - if (id == CSSValueNormal)
|
| - validPrimitive = true;
|
| - else
|
| - parsedValue = parseFontFeatureSettings();
|
| - break;
|
| -
|
| - case CSSPropertyFontVariantLigatures:
|
| - if (id == CSSValueNormal)
|
| - validPrimitive = true;
|
| - else
|
| - return parseFontVariantLigatures(important);
|
| - break;
|
| - case CSSPropertyWebkitClipPath:
|
| - if (id == CSSValueNone) {
|
| - validPrimitive = true;
|
| - } else if (value->m_unit == CSSParserValue::Function) {
|
| - parsedValue = parseBasicShape();
|
| - } else if (value->unit() == CSSPrimitiveValue::UnitType::URI) {
|
| - parsedValue = CSSPrimitiveValue::create(value->string, CSSPrimitiveValue::UnitType::URI);
|
| - addProperty(propId, parsedValue.release(), important);
|
| - return true;
|
| - }
|
| - break;
|
| - case CSSPropertyShapeOutside:
|
| - if (id == CSSValueNone)
|
| - validPrimitive = true;
|
| - else
|
| - parsedValue = parseShapeProperty(propId);
|
| - break;
|
| - case CSSPropertyShapeMargin:
|
| - validPrimitive = validUnit(value, FLength | FPercent | FNonNeg);
|
| - break;
|
| - case CSSPropertyShapeImageThreshold:
|
| - validPrimitive = validUnit(value, FNumber);
|
| - break;
|
| -
|
| - case CSSPropertyTouchAction:
|
| - parsedValue = parseTouchAction();
|
| - break;
|
| -
|
| - case CSSPropertyAlignContent:
|
| - parsedValue = parseContentDistributionOverflowPosition();
|
| - break;
|
| -
|
| - case CSSPropertyAlignSelf:
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| - return parseItemPositionOverflowPosition(propId, important);
|
| -
|
| - case CSSPropertyAlignItems:
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| - return parseItemPositionOverflowPosition(propId, important);
|
| -
|
| - // Properties below are validated inside parseViewportProperty, because we
|
| - // check for parser state. We need to invalidate if someone adds them outside
|
| - // a @viewport rule.
|
| - case CSSPropertyMaxZoom:
|
| - case CSSPropertyMinZoom:
|
| - case CSSPropertyOrientation:
|
| - case CSSPropertyUserZoom:
|
| - validPrimitive = false;
|
| - break;
|
| -
|
| - case CSSPropertyScrollSnapPointsX:
|
| - case CSSPropertyScrollSnapPointsY:
|
| - parsedValue = parseScrollSnapPoints();
|
| - break;
|
| - case CSSPropertyScrollSnapCoordinate:
|
| - parsedValue = parseScrollSnapCoordinate();
|
| - break;
|
| - case CSSPropertyScrollSnapDestination:
|
| - parsedValue = parsePosition(m_valueList);
|
| - break;
|
| -
|
| - default:
|
| - return parseSVGValue(propId, important);
|
| - }
|
| -
|
| - if (validPrimitive) {
|
| - parsedValue = parseValidPrimitive(id, value);
|
| - m_valueList->next();
|
| - }
|
| - ASSERT(!m_parsedCalculation);
|
| - if (parsedValue) {
|
| - if (!m_valueList->current() || inShorthand()) {
|
| - addProperty(propId, parsedValue.release(), important);
|
| - return true;
|
| - }
|
| - }
|
| - return false;
|
| -}
|
| -
|
| -void CSSPropertyParser::addFillValue(RefPtrWillBeRawPtr<CSSValue>& lval, PassRefPtrWillBeRawPtr<CSSValue> rval)
|
| -{
|
| - if (lval) {
|
| - if (lval->isBaseValueList())
|
| - toCSSValueList(lval.get())->append(rval);
|
| - else {
|
| - PassRefPtrWillBeRawPtr<CSSValue> oldlVal(lval.release());
|
| - PassRefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
|
| - list->append(oldlVal);
|
| - list->append(rval);
|
| - lval = list;
|
| - }
|
| - }
|
| - else
|
| - lval = rval;
|
| -}
|
| -
|
| -static bool parseBackgroundClip(CSSParserValue* parserValue, RefPtrWillBeRawPtr<CSSValue>& cssValue)
|
| -{
|
| - if (parserValue->id == CSSValueBorderBox || parserValue->id == CSSValuePaddingBox
|
| - || parserValue->id == CSSValueContentBox || parserValue->id == CSSValueWebkitText) {
|
| - cssValue = cssValuePool().createIdentifierValue(parserValue->id);
|
| - return true;
|
| - }
|
| - return false;
|
| -}
|
| -
|
| -const int cMaxFillProperties = 9;
|
| -
|
| -bool CSSPropertyParser::parseFillShorthand(CSSPropertyID propId, const CSSPropertyID* properties, int numProperties, bool important)
|
| -{
|
| - ASSERT(numProperties <= cMaxFillProperties);
|
| - if (numProperties > cMaxFillProperties)
|
| - return false;
|
| -
|
| - ShorthandScope scope(this, propId);
|
| -
|
| - bool parsedProperty[cMaxFillProperties] = { false };
|
| - RefPtrWillBeRawPtr<CSSValue> values[cMaxFillProperties];
|
| -#if ENABLE(OILPAN)
|
| - // Zero initialize the array of raw pointers.
|
| - memset(&values, 0, sizeof(values));
|
| -#endif
|
| - RefPtrWillBeRawPtr<CSSValue> clipValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> positionYValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> repeatYValue = nullptr;
|
| - bool foundClip = false;
|
| - int i;
|
| - bool foundPositionCSSProperty = false;
|
| -
|
| - while (m_valueList->current()) {
|
| - CSSParserValue* val = m_valueList->current();
|
| - if (isComma(val)) {
|
| - // We hit the end. Fill in all remaining values with the initial value.
|
| - m_valueList->next();
|
| - for (i = 0; i < numProperties; ++i) {
|
| - if (properties[i] == CSSPropertyBackgroundColor && parsedProperty[i])
|
| - // Color is not allowed except as the last item in a list for backgrounds.
|
| - // Reject the entire property.
|
| - return false;
|
| -
|
| - if (!parsedProperty[i] && properties[i] != CSSPropertyBackgroundColor) {
|
| - addFillValue(values[i], cssValuePool().createImplicitInitialValue());
|
| - if (properties[i] == CSSPropertyBackgroundPosition || properties[i] == CSSPropertyWebkitMaskPosition)
|
| - addFillValue(positionYValue, cssValuePool().createImplicitInitialValue());
|
| - if (properties[i] == CSSPropertyBackgroundRepeat || properties[i] == CSSPropertyWebkitMaskRepeat)
|
| - addFillValue(repeatYValue, cssValuePool().createImplicitInitialValue());
|
| - if ((properties[i] == CSSPropertyBackgroundOrigin || properties[i] == CSSPropertyWebkitMaskOrigin) && !parsedProperty[i]) {
|
| - // If background-origin wasn't present, then reset background-clip also.
|
| - addFillValue(clipValue, cssValuePool().createImplicitInitialValue());
|
| - }
|
| - }
|
| - parsedProperty[i] = false;
|
| - }
|
| - if (!m_valueList->current())
|
| - break;
|
| - }
|
| -
|
| - bool sizeCSSPropertyExpected = false;
|
| - if (isForwardSlashOperator(val) && foundPositionCSSProperty) {
|
| - sizeCSSPropertyExpected = true;
|
| - m_valueList->next();
|
| - }
|
| -
|
| - foundPositionCSSProperty = false;
|
| - bool found = false;
|
| - for (i = 0; !found && i < numProperties; ++i) {
|
| -
|
| - if (sizeCSSPropertyExpected && (properties[i] != CSSPropertyBackgroundSize && properties[i] != CSSPropertyWebkitMaskSize))
|
| - continue;
|
| - if (!sizeCSSPropertyExpected && (properties[i] == CSSPropertyBackgroundSize || properties[i] == CSSPropertyWebkitMaskSize))
|
| - continue;
|
| -
|
| - if (!parsedProperty[i]) {
|
| - RefPtrWillBeRawPtr<CSSValue> val1 = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> val2 = nullptr;
|
| - CSSPropertyID propId1, propId2;
|
| - CSSParserValue* parserValue = m_valueList->current();
|
| - // parseFillProperty() may modify m_implicitShorthand, so we MUST reset it
|
| - // before EACH return below.
|
| - if (parserValue && parseFillProperty(properties[i], propId1, propId2, val1, val2)) {
|
| - parsedProperty[i] = found = true;
|
| - addFillValue(values[i], val1.release());
|
| - if (properties[i] == CSSPropertyBackgroundPosition || properties[i] == CSSPropertyWebkitMaskPosition)
|
| - addFillValue(positionYValue, val2.release());
|
| - if (properties[i] == CSSPropertyBackgroundRepeat || properties[i] == CSSPropertyWebkitMaskRepeat)
|
| - addFillValue(repeatYValue, val2.release());
|
| - if (properties[i] == CSSPropertyBackgroundOrigin || properties[i] == CSSPropertyWebkitMaskOrigin) {
|
| - // Reparse the value as a clip, and see if we succeed.
|
| - if (parseBackgroundClip(parserValue, val1))
|
| - addFillValue(clipValue, val1.release()); // The property parsed successfully.
|
| - else
|
| - addFillValue(clipValue, cssValuePool().createImplicitInitialValue()); // Some value was used for origin that is not supported by clip. Just reset clip instead.
|
| - }
|
| - if (properties[i] == CSSPropertyBackgroundClip || properties[i] == CSSPropertyWebkitMaskClip) {
|
| - // Update clipValue
|
| - addFillValue(clipValue, val1.release());
|
| - foundClip = true;
|
| - }
|
| - if (properties[i] == CSSPropertyBackgroundPosition || properties[i] == CSSPropertyWebkitMaskPosition)
|
| - foundPositionCSSProperty = true;
|
| - }
|
| - }
|
| - }
|
| -
|
| - // if we didn't find at least one match, this is an
|
| - // invalid shorthand and we have to ignore it
|
| - if (!found) {
|
| - m_implicitShorthand = false;
|
| - return false;
|
| - }
|
| - }
|
| -
|
| - // Now add all of the properties we found.
|
| - for (i = 0; i < numProperties; i++) {
|
| - // Fill in any remaining properties with the initial value.
|
| - if (!parsedProperty[i]) {
|
| - addFillValue(values[i], cssValuePool().createImplicitInitialValue());
|
| - if (properties[i] == CSSPropertyBackgroundPosition || properties[i] == CSSPropertyWebkitMaskPosition)
|
| - addFillValue(positionYValue, cssValuePool().createImplicitInitialValue());
|
| - if (properties[i] == CSSPropertyBackgroundRepeat || properties[i] == CSSPropertyWebkitMaskRepeat)
|
| - addFillValue(repeatYValue, cssValuePool().createImplicitInitialValue());
|
| - if (properties[i] == CSSPropertyBackgroundOrigin || properties[i] == CSSPropertyWebkitMaskOrigin) {
|
| - // If background-origin wasn't present, then reset background-clip also.
|
| - addFillValue(clipValue, cssValuePool().createImplicitInitialValue());
|
| - }
|
| - }
|
| - if (properties[i] == CSSPropertyBackgroundPosition) {
|
| - addProperty(CSSPropertyBackgroundPositionX, values[i].release(), important);
|
| - // it's OK to call positionYValue.release() since we only see CSSPropertyBackgroundPosition once
|
| - addProperty(CSSPropertyBackgroundPositionY, positionYValue.release(), important);
|
| - } else if (properties[i] == CSSPropertyWebkitMaskPosition) {
|
| - addProperty(CSSPropertyWebkitMaskPositionX, values[i].release(), important);
|
| - // it's OK to call positionYValue.release() since we only see CSSPropertyWebkitMaskPosition once
|
| - addProperty(CSSPropertyWebkitMaskPositionY, positionYValue.release(), important);
|
| - } else if (properties[i] == CSSPropertyBackgroundRepeat) {
|
| - addProperty(CSSPropertyBackgroundRepeatX, values[i].release(), important);
|
| - // it's OK to call repeatYValue.release() since we only see CSSPropertyBackgroundPosition once
|
| - addProperty(CSSPropertyBackgroundRepeatY, repeatYValue.release(), important);
|
| - } else if (properties[i] == CSSPropertyWebkitMaskRepeat) {
|
| - addProperty(CSSPropertyWebkitMaskRepeatX, values[i].release(), important);
|
| - // it's OK to call repeatYValue.release() since we only see CSSPropertyBackgroundPosition once
|
| - addProperty(CSSPropertyWebkitMaskRepeatY, repeatYValue.release(), important);
|
| - } else if ((properties[i] == CSSPropertyBackgroundClip || properties[i] == CSSPropertyWebkitMaskClip) && !foundClip)
|
| - // Value is already set while updating origin
|
| - continue;
|
| - else if (properties[i] == CSSPropertyBackgroundSize && !parsedProperty[i] && m_context.useLegacyBackgroundSizeShorthandBehavior())
|
| - continue;
|
| - else
|
| - addProperty(properties[i], values[i].release(), important);
|
| -
|
| - // Add in clip values when we hit the corresponding origin property.
|
| - if (properties[i] == CSSPropertyBackgroundOrigin && !foundClip)
|
| - addProperty(CSSPropertyBackgroundClip, clipValue.release(), important);
|
| - else if (properties[i] == CSSPropertyWebkitMaskOrigin && !foundClip)
|
| - addProperty(CSSPropertyWebkitMaskClip, clipValue.release(), important);
|
| - }
|
| -
|
| - m_implicitShorthand = false;
|
| - return true;
|
| -}
|
| -
|
| -static bool isValidTransitionPropertyList(CSSValueList* value)
|
| -{
|
| - if (value->length() < 2)
|
| - return true;
|
| - for (auto& property : *value) {
|
| - // FIXME: Shorthand parsing shouldn't add initial to the list since it won't round-trip
|
| - if (property->isInitialValue())
|
| - continue;
|
| - CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(property.get());
|
| - if (primitiveValue->isValueID() && primitiveValue->getValueID() == CSSValueNone)
|
| - return false;
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseAnimationShorthand(bool useLegacyparsing, bool important)
|
| -{
|
| - const StylePropertyShorthand& animationProperties = animationShorthandForParsing();
|
| - const unsigned numProperties = 8;
|
| -
|
| - // The list of properties in the shorthand should be the same
|
| - // length as the list with animation name in last position, even though they are
|
| - // in a different order.
|
| - ASSERT(numProperties == animationProperties.length());
|
| - ASSERT(numProperties == animationShorthand().length());
|
| -
|
| - ShorthandScope scope(this, CSSPropertyAnimation);
|
| -
|
| - bool parsedProperty[numProperties] = { false };
|
| - RefPtrWillBeRawPtr<CSSValueList> values[numProperties];
|
| - for (size_t i = 0; i < numProperties; ++i)
|
| - values[i] = CSSValueList::createCommaSeparated();
|
| -
|
| - while (m_valueList->current()) {
|
| - if (consumeComma(m_valueList)) {
|
| - // We hit the end. Fill in all remaining values with the initial value.
|
| - for (size_t i = 0; i < numProperties; ++i) {
|
| - if (!parsedProperty[i])
|
| - values[i]->append(cssValuePool().createImplicitInitialValue());
|
| - parsedProperty[i] = false;
|
| - }
|
| - if (!m_valueList->current())
|
| - break;
|
| - }
|
| -
|
| - bool found = false;
|
| - for (size_t i = 0; i < numProperties; ++i) {
|
| - if (parsedProperty[i])
|
| - continue;
|
| - if (RefPtrWillBeRawPtr<CSSValue> val = parseAnimationProperty(animationProperties.properties()[i], useLegacyparsing)) {
|
| - parsedProperty[i] = found = true;
|
| - values[i]->append(val.release());
|
| - break;
|
| - }
|
| - }
|
| -
|
| - // if we didn't find at least one match, this is an
|
| - // invalid shorthand and we have to ignore it
|
| - if (!found)
|
| - return false;
|
| - }
|
| -
|
| - for (size_t i = 0; i < numProperties; ++i) {
|
| - // If we didn't find the property, set an intial value.
|
| - if (!parsedProperty[i])
|
| - values[i]->append(cssValuePool().createImplicitInitialValue());
|
| -
|
| - addProperty(animationProperties.properties()[i], values[i].release(), important);
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseTransitionShorthand(bool important)
|
| -{
|
| - const unsigned numProperties = 4;
|
| - const StylePropertyShorthand& shorthand = transitionShorthandForParsing();
|
| - ASSERT(numProperties == shorthand.length());
|
| -
|
| - ShorthandScope scope(this, CSSPropertyTransition);
|
| -
|
| - bool parsedProperty[numProperties] = { false };
|
| - RefPtrWillBeRawPtr<CSSValueList> values[numProperties];
|
| - for (size_t i = 0; i < numProperties; ++i)
|
| - values[i] = CSSValueList::createCommaSeparated();
|
| -
|
| - while (m_valueList->current()) {
|
| - if (consumeComma(m_valueList)) {
|
| - // We hit the end. Fill in all remaining values with the initial value.
|
| - for (size_t i = 0; i < numProperties; ++i) {
|
| - if (!parsedProperty[i])
|
| - values[i]->append(cssValuePool().createImplicitInitialValue());
|
| - parsedProperty[i] = false;
|
| - }
|
| - if (!m_valueList->current())
|
| - break;
|
| - }
|
| -
|
| - bool found = false;
|
| - for (size_t i = 0; i < numProperties; ++i) {
|
| - if (parsedProperty[i])
|
| - continue;
|
| - if (RefPtrWillBeRawPtr<CSSValue> val = parseAnimationProperty(shorthand.properties()[i], false)) {
|
| - parsedProperty[i] = found = true;
|
| - values[i]->append(val.release());
|
| - break;
|
| - }
|
| - }
|
| -
|
| - // if we didn't find at least one match, this is an
|
| - // invalid shorthand and we have to ignore it
|
| - if (!found)
|
| - return false;
|
| - }
|
| -
|
| - ASSERT(shorthand.properties()[3] == CSSPropertyTransitionProperty);
|
| - if (!isValidTransitionPropertyList(values[3].get()))
|
| - return false;
|
| -
|
| - // Fill in any remaining properties with the initial value and add
|
| - for (size_t i = 0; i < numProperties; ++i) {
|
| - if (!parsedProperty[i])
|
| - values[i]->append(cssValuePool().createImplicitInitialValue());
|
| - addProperty(shorthand.properties()[i], values[i].release(), important);
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseColumnWidth()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - // Always parse lengths in strict mode here, since it would be ambiguous otherwise when used in
|
| - // the 'columns' shorthand property.
|
| - if (value->id == CSSValueAuto || (validUnit(value, FLength | FNonNeg, HTMLStandardMode) && (m_parsedCalculation || value->fValue != 0))) {
|
| - RefPtrWillBeRawPtr<CSSValue> parsedValue = parseValidPrimitive(value->id, value);
|
| - m_valueList->next();
|
| - return parsedValue;
|
| - }
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseColumnCount()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (value->id == CSSValueAuto || validUnit(value, FPositiveInteger)) {
|
| - RefPtrWillBeRawPtr<CSSValue> parsedValue = parseValidPrimitive(value->id, value);
|
| - m_valueList->next();
|
| - return parsedValue;
|
| - }
|
| - return nullptr;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseColumnsShorthand(bool important)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValue> columnWidth = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> columnCount = nullptr;
|
| -
|
| - for (unsigned propertiesParsed = 0; CSSParserValue* value = m_valueList->current(); propertiesParsed++) {
|
| - if (propertiesParsed >= 2)
|
| - return false; // Too many values for this shorthand. Invalid declaration.
|
| - if (value->id == CSSValueAuto) {
|
| - // Skip 'auto' as we will use it for initial value if no width/count was parsed.
|
| - m_valueList->next();
|
| - } else {
|
| - if (!columnWidth) {
|
| - if ((columnWidth = parseColumnWidth()))
|
| - continue;
|
| - }
|
| - if (!columnCount) {
|
| - if ((columnCount = parseColumnCount()))
|
| - continue;
|
| - }
|
| - // If we didn't find at least one match, this is an
|
| - // invalid shorthand and we have to ignore it.
|
| - return false;
|
| - }
|
| - }
|
| -
|
| - if (!columnWidth)
|
| - columnWidth = cssValuePool().createIdentifierValue(CSSValueAuto);
|
| - addProperty(CSSPropertyWebkitColumnWidth, columnWidth, important);
|
| - if (!columnCount)
|
| - columnCount = cssValuePool().createIdentifierValue(CSSValueAuto);
|
| - addProperty(CSSPropertyWebkitColumnCount, columnCount, important);
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseShorthand(CSSPropertyID propId, const StylePropertyShorthand& shorthand, bool important)
|
| -{
|
| - // We try to match as many properties as possible
|
| - // We set up an array of booleans to mark which property has been found,
|
| - // and we try to search for properties until it makes no longer any sense.
|
| - ShorthandScope scope(this, propId);
|
| -
|
| - bool found = false;
|
| - unsigned propertiesParsed = 0;
|
| - bool propertyFound[6] = { false, false, false, false, false, false }; // 6 is enough size.
|
| -
|
| - while (m_valueList->current()) {
|
| - found = false;
|
| - for (unsigned propIndex = 0; !found && propIndex < shorthand.length(); ++propIndex) {
|
| - if (!propertyFound[propIndex] && parseValue(shorthand.properties()[propIndex], important)) {
|
| - propertyFound[propIndex] = found = true;
|
| - propertiesParsed++;
|
| - }
|
| - }
|
| -
|
| - // if we didn't find at least one match, this is an
|
| - // invalid shorthand and we have to ignore it
|
| - if (!found)
|
| - return false;
|
| - }
|
| -
|
| - if (propertiesParsed == shorthand.length())
|
| - return true;
|
| -
|
| - // Fill in any remaining properties with the initial value.
|
| - ImplicitScope implicitScope(this);
|
| - const StylePropertyShorthand* const* const propertiesForInitialization = shorthand.propertiesForInitialization();
|
| - for (unsigned i = 0; i < shorthand.length(); ++i) {
|
| - if (propertyFound[i])
|
| - continue;
|
| -
|
| - if (propertiesForInitialization) {
|
| - const StylePropertyShorthand& initProperties = *(propertiesForInitialization[i]);
|
| - for (unsigned propIndex = 0; propIndex < initProperties.length(); ++propIndex)
|
| - addProperty(initProperties.properties()[propIndex], cssValuePool().createImplicitInitialValue(), important);
|
| - } else
|
| - addProperty(shorthand.properties()[i], cssValuePool().createImplicitInitialValue(), important);
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parse4Values(CSSPropertyID propId, const CSSPropertyID *properties, bool important)
|
| -{
|
| - /* From the CSS 2 specs, 8.3
|
| - * If there is only one value, it applies to all sides. If there are two values, the top and
|
| - * bottom margins are set to the first value and the right and left margins are set to the second.
|
| - * If there are three values, the top is set to the first value, the left and right are set to the
|
| - * second, and the bottom is set to the third. If there are four values, they apply to the top,
|
| - * right, bottom, and left, respectively.
|
| - */
|
| -
|
| - int num = inShorthand() ? 1 : m_valueList->size();
|
| -
|
| - ShorthandScope scope(this, propId);
|
| -
|
| - // the order is top, right, bottom, left
|
| - switch (num) {
|
| - case 1: {
|
| - if (!parseValue(properties[0], important))
|
| - return false;
|
| - CSSValue* value = m_parsedProperties.last().value();
|
| - ImplicitScope implicitScope(this);
|
| - addProperty(properties[1], value, important);
|
| - addProperty(properties[2], value, important);
|
| - addProperty(properties[3], value, important);
|
| - break;
|
| - }
|
| - case 2: {
|
| - if (!parseValue(properties[0], important) || !parseValue(properties[1], important))
|
| - return false;
|
| - CSSValue* value = m_parsedProperties[m_parsedProperties.size() - 2].value();
|
| - ImplicitScope implicitScope(this);
|
| - addProperty(properties[2], value, important);
|
| - value = m_parsedProperties[m_parsedProperties.size() - 2].value();
|
| - addProperty(properties[3], value, important);
|
| - break;
|
| - }
|
| - case 3: {
|
| - if (!parseValue(properties[0], important) || !parseValue(properties[1], important) || !parseValue(properties[2], important))
|
| - return false;
|
| - CSSValue* value = m_parsedProperties[m_parsedProperties.size() - 2].value();
|
| - ImplicitScope implicitScope(this);
|
| - addProperty(properties[3], value, important);
|
| - break;
|
| - }
|
| - case 4: {
|
| - if (!parseValue(properties[0], important) || !parseValue(properties[1], important) ||
|
| - !parseValue(properties[2], important) || !parseValue(properties[3], important))
|
| - return false;
|
| - break;
|
| - }
|
| - default: {
|
| - return false;
|
| - }
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseScrollSnapPoints()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| -
|
| - if (value->id == CSSValueNone) {
|
| - m_valueList->next();
|
| - return cssValuePool().createIdentifierValue(CSSValueNone);
|
| - }
|
| -
|
| - if (value->m_unit == CSSParserValue::Function && value->function->id == CSSValueRepeat) {
|
| - // The spec defines the following grammar: repeat( <length>)
|
| - CSSParserValueList* arguments = value->function->args.get();
|
| - if (!arguments || arguments->size() != 1)
|
| - return nullptr;
|
| -
|
| - CSSParserValue* repeatValue = arguments->valueAt(0);
|
| - if (validUnit(repeatValue, FNonNeg | FLength | FPercent) && (m_parsedCalculation || repeatValue->fValue > 0)) {
|
| - RefPtrWillBeRawPtr<CSSFunctionValue> result = CSSFunctionValue::create(CSSValueRepeat);
|
| - result->append(parseValidPrimitive(repeatValue->id, repeatValue));
|
| - m_valueList->next();
|
| - return result.release();
|
| - }
|
| - }
|
| -
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseScrollSnapCoordinate()
|
| -{
|
| - if (m_valueList->current()->id == CSSValueNone) {
|
| - m_valueList->next();
|
| - return cssValuePool().createIdentifierValue(CSSValueNone);
|
| - }
|
| -
|
| - return parsePositionList(m_valueList);
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::parsePage()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - m_valueList->next();
|
| - ASSERT(value);
|
| -
|
| - if (value->id == CSSValueAuto)
|
| - return cssValuePool().createIdentifierValue(value->id);
|
| - if (value->m_unit == CSSParserValue::Identifier)
|
| - return createPrimitiveCustomIdentValue(value);
|
| - return nullptr;
|
| -}
|
| -
|
| -// <length>{1,2} | auto | [ <page-size> || [ portrait | landscape] ]
|
| -PassRefPtrWillBeRawPtr<CSSValueList> CSSPropertyParser::parseSize()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - ASSERT(value);
|
| -
|
| - RefPtrWillBeRawPtr<CSSValueList> parsedValues = CSSValueList::createSpaceSeparated();
|
| -
|
| - // First parameter.
|
| - SizeParameterType paramType = parseSizeParameter(parsedValues.get(), value, None);
|
| - if (paramType == None)
|
| - return nullptr;
|
| - value = m_valueList->next();
|
| -
|
| - // Second parameter, if any.
|
| - if (value) {
|
| - paramType = parseSizeParameter(parsedValues.get(), value, paramType);
|
| - if (paramType == None)
|
| - return nullptr;
|
| - m_valueList->next();
|
| - }
|
| -
|
| - return parsedValues.release();
|
| -}
|
| -
|
| -CSSPropertyParser::SizeParameterType CSSPropertyParser::parseSizeParameter(CSSValueList* parsedValues, CSSParserValue* value, SizeParameterType prevParamType)
|
| -{
|
| - switch (value->id) {
|
| - case CSSValueAuto:
|
| - if (prevParamType == None) {
|
| - parsedValues->append(cssValuePool().createIdentifierValue(value->id));
|
| - return Auto;
|
| - }
|
| - return None;
|
| - case CSSValueLandscape:
|
| - case CSSValuePortrait:
|
| - if (prevParamType == None || prevParamType == PageSize) {
|
| - parsedValues->append(cssValuePool().createIdentifierValue(value->id));
|
| - return Orientation;
|
| - }
|
| - return None;
|
| - case CSSValueA3:
|
| - case CSSValueA4:
|
| - case CSSValueA5:
|
| - case CSSValueB4:
|
| - case CSSValueB5:
|
| - case CSSValueLedger:
|
| - case CSSValueLegal:
|
| - case CSSValueLetter:
|
| - if (prevParamType == None || prevParamType == Orientation) {
|
| - // Normalize to Page Size then Orientation order by prepending for simpler StyleBuilder handling
|
| - parsedValues->prepend(cssValuePool().createIdentifierValue(value->id));
|
| - return PageSize;
|
| - }
|
| - return None;
|
| - case 0:
|
| - if (validUnit(value, FLength | FNonNeg) && (prevParamType == None || prevParamType == Length)) {
|
| - parsedValues->append(createPrimitiveNumericValue(value));
|
| - return Length;
|
| - }
|
| - return None;
|
| - default:
|
| - return None;
|
| - }
|
| -}
|
| -
|
| -// [ <string> <string> ]+ | none, but none is handled in parseValue
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseQuotes()
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> values = CSSValueList::createSpaceSeparated();
|
| - while (CSSParserValue* val = m_valueList->current()) {
|
| - RefPtrWillBeRawPtr<CSSValue> parsedValue = nullptr;
|
| - if (val->unit() != CSSPrimitiveValue::UnitType::String)
|
| - return nullptr;
|
| - parsedValue = createPrimitiveStringValue(val);
|
| - values->append(parsedValue.release());
|
| - m_valueList->next();
|
| - }
|
| - if (values->length() && values->length() % 2 == 0)
|
| - return values.release();
|
| - return nullptr;
|
| -}
|
| -
|
| -// [ <string> | <uri> | <counter> | attr(X) | open-quote | close-quote | no-open-quote | no-close-quote ]+ | inherit
|
| -// in CSS 2.1 this got somewhat reduced:
|
| -// [ <string> | attr(X) | open-quote | close-quote | no-open-quote | no-close-quote ]+ | inherit
|
| -PassRefPtrWillBeRawPtr<CSSValueList> CSSPropertyParser::parseContent()
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> values = CSSValueList::createSpaceSeparated();
|
| -
|
| - while (CSSParserValue* val = m_valueList->current()) {
|
| - RefPtrWillBeRawPtr<CSSValue> parsedValue = nullptr;
|
| - if (val->unit() == CSSPrimitiveValue::UnitType::URI) {
|
| - // url
|
| - parsedValue = createCSSImageValueWithReferrer(val->string, completeURL(val->string));
|
| - } else if (val->m_unit == CSSParserValue::Function) {
|
| - // attr(X) | counter(X [,Y]) | counters(X, Y, [,Z]) | -webkit-gradient(...)
|
| - CSSParserValueList* args = val->function->args.get();
|
| - if (!args)
|
| - return nullptr;
|
| - if (val->function->id == CSSValueAttr) {
|
| - parsedValue = parseAttr(args);
|
| - } else if (val->function->id == CSSValueCounter) {
|
| - parsedValue = parseCounterContent(args, false);
|
| - } else if (val->function->id == CSSValueCounters) {
|
| - parsedValue = parseCounterContent(args, true);
|
| - } else if (val->function->id == CSSValueWebkitImageSet) {
|
| - parsedValue = parseImageSet(m_valueList);
|
| - } else if (isGeneratedImageValue(val)) {
|
| - if (!parseGeneratedImage(m_valueList, parsedValue))
|
| - return nullptr;
|
| - }
|
| - } else if (val->m_unit == CSSParserValue::Identifier) {
|
| - switch (val->id) {
|
| - case CSSValueOpenQuote:
|
| - case CSSValueCloseQuote:
|
| - case CSSValueNoOpenQuote:
|
| - case CSSValueNoCloseQuote:
|
| - case CSSValueNone:
|
| - case CSSValueNormal:
|
| - parsedValue = cssValuePool().createIdentifierValue(val->id);
|
| - default:
|
| - break;
|
| - }
|
| - } else if (val->unit() == CSSPrimitiveValue::UnitType::String) {
|
| - parsedValue = createPrimitiveStringValue(val);
|
| - }
|
| - if (!parsedValue)
|
| - return nullptr;
|
| - values->append(parsedValue.release());
|
| - m_valueList->next();
|
| - }
|
| -
|
| - return values.release();
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseAttr(CSSParserValueList* args)
|
| -{
|
| - if (args->size() != 1)
|
| - return nullptr;
|
| -
|
| - CSSParserValue* a = args->current();
|
| -
|
| - if (a->m_unit != CSSParserValue::Identifier)
|
| - return nullptr;
|
| -
|
| - String attrName = a->string;
|
| - // CSS allows identifiers with "-" at the start, like "-webkit-mask-image".
|
| - // But HTML attribute names can't have those characters, and we should not
|
| - // even parse them inside attr().
|
| - if (attrName[0] == '-')
|
| - return nullptr;
|
| -
|
| - if (m_context.isHTMLDocument())
|
| - attrName = attrName.lower();
|
| -
|
| - RefPtrWillBeRawPtr<CSSFunctionValue> attrValue = CSSFunctionValue::create(CSSValueAttr);
|
| - attrValue->append(CSSPrimitiveValue::create(attrName, CSSPrimitiveValue::UnitType::CustomIdentifier));
|
| - return attrValue.release();
|
| -}
|
| -
|
| -bool CSSPropertyParser::acceptQuirkyColors(CSSPropertyID propertyId) const
|
| -{
|
| - if (!inQuirksMode())
|
| - return false;
|
| - switch (propertyId) {
|
| - case CSSPropertyBackgroundColor:
|
| - case CSSPropertyBorderBottomColor:
|
| - case CSSPropertyBorderLeftColor:
|
| - case CSSPropertyBorderRightColor:
|
| - case CSSPropertyBorderTopColor:
|
| - return !inShorthand() || m_currentShorthand == CSSPropertyBorderColor;
|
| - case CSSPropertyColor:
|
| - return true;
|
| - default:
|
| - break;
|
| - }
|
| - return false;
|
| -}
|
| -
|
| -bool CSSPropertyParser::isColorKeyword(CSSValueID id)
|
| -{
|
| - // Named colors and color keywords:
|
| - //
|
| - // <named-color>
|
| - // 'aqua', 'black', 'blue', ..., 'yellow' (CSS3: "basic color keywords")
|
| - // 'aliceblue', ..., 'yellowgreen' (CSS3: "extended color keywords")
|
| - // 'transparent'
|
| - //
|
| - // 'currentcolor'
|
| - //
|
| - // <deprecated-system-color>
|
| - // 'ActiveBorder', ..., 'WindowText'
|
| - //
|
| - // WebKit proprietary/internal:
|
| - // '-webkit-link'
|
| - // '-webkit-activelink'
|
| - // '-internal-active-list-box-selection'
|
| - // '-internal-active-list-box-selection-text'
|
| - // '-internal-inactive-list-box-selection'
|
| - // '-internal-inactive-list-box-selection-text'
|
| - // '-webkit-focus-ring-color'
|
| - // '-webkit-text'
|
| - //
|
| - return (id >= CSSValueAqua && id <= CSSValueWebkitText)
|
| - || (id >= CSSValueAliceblue && id <= CSSValueYellowgreen)
|
| - || id == CSSValueMenu;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::parseColor(const CSSParserValue* value, bool acceptQuirkyColors)
|
| -{
|
| - CSSValueID id = value->id;
|
| - if (isColorKeyword(id)) {
|
| - if (!isValueAllowedInMode(id, m_context.mode()))
|
| - return nullptr;
|
| - if (id == CSSValueWebkitText && m_context.useCounter())
|
| - m_context.useCounter()->count(UseCounter::WebkitTextInColorProperty);
|
| - return cssValuePool().createIdentifierValue(id);
|
| - }
|
| - RGBA32 c = Color::transparent;
|
| - if (!parseColorFromValue(value, c, acceptQuirkyColors))
|
| - return nullptr;
|
| - return cssValuePool().createColorValue(c);
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseFillImage(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& value)
|
| -{
|
| - if (valueList->current()->id == CSSValueNone) {
|
| - value = cssValuePool().createIdentifierValue(CSSValueNone);
|
| - return true;
|
| - }
|
| - if (valueList->current()->unit() == CSSPrimitiveValue::UnitType::URI) {
|
| - value = createCSSImageValueWithReferrer(valueList->current()->string, completeURL(valueList->current()->string));
|
| - return true;
|
| - }
|
| -
|
| - if (isGeneratedImageValue(valueList->current()))
|
| - return parseGeneratedImage(valueList, value);
|
| -
|
| - if (valueList->current()->m_unit == CSSParserValue::Function && valueList->current()->function->id == CSSValueWebkitImageSet) {
|
| - value = parseImageSet(m_valueList);
|
| - if (value)
|
| - return true;
|
| - }
|
| -
|
| - return false;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseFillPositionX(CSSParserValueList* valueList)
|
| -{
|
| - int id = valueList->current()->id;
|
| - if (id == CSSValueLeft || id == CSSValueRight || id == CSSValueCenter) {
|
| - int percent = 0;
|
| - if (id == CSSValueRight)
|
| - percent = 100;
|
| - else if (id == CSSValueCenter)
|
| - percent = 50;
|
| - return cssValuePool().createValue(percent, CSSPrimitiveValue::UnitType::Percentage);
|
| - }
|
| - if (validUnit(valueList->current(), FPercent | FLength))
|
| - return createPrimitiveNumericValue(valueList->current());
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseFillPositionY(CSSParserValueList* valueList)
|
| -{
|
| - int id = valueList->current()->id;
|
| - if (id == CSSValueTop || id == CSSValueBottom || id == CSSValueCenter) {
|
| - int percent = 0;
|
| - if (id == CSSValueBottom)
|
| - percent = 100;
|
| - else if (id == CSSValueCenter)
|
| - percent = 50;
|
| - return cssValuePool().createValue(percent, CSSPrimitiveValue::UnitType::Percentage);
|
| - }
|
| - if (validUnit(valueList->current(), FPercent | FLength))
|
| - return createPrimitiveNumericValue(valueList->current());
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::parseFillPositionComponent(CSSParserValueList* valueList, unsigned& cumulativeFlags, FillPositionFlag& individualFlag, FillPositionParsingMode parsingMode, Units unitless)
|
| -{
|
| - CSSValueID id = valueList->current()->id;
|
| - if (id == CSSValueLeft || id == CSSValueTop || id == CSSValueRight || id == CSSValueBottom || id == CSSValueCenter) {
|
| - int percent = 0;
|
| - if (id == CSSValueLeft || id == CSSValueRight) {
|
| - if (cumulativeFlags & XFillPosition)
|
| - return nullptr;
|
| - cumulativeFlags |= XFillPosition;
|
| - individualFlag = XFillPosition;
|
| - if (id == CSSValueRight)
|
| - percent = 100;
|
| - }
|
| - else if (id == CSSValueTop || id == CSSValueBottom) {
|
| - if (cumulativeFlags & YFillPosition)
|
| - return nullptr;
|
| - cumulativeFlags |= YFillPosition;
|
| - individualFlag = YFillPosition;
|
| - if (id == CSSValueBottom)
|
| - percent = 100;
|
| - } else if (id == CSSValueCenter) {
|
| - // Center is ambiguous, so we're not sure which position we've found yet, an x or a y.
|
| - percent = 50;
|
| - cumulativeFlags |= AmbiguousFillPosition;
|
| - individualFlag = AmbiguousFillPosition;
|
| - }
|
| -
|
| - if (parsingMode == ResolveValuesAsKeyword)
|
| - return cssValuePool().createIdentifierValue(id);
|
| -
|
| - return cssValuePool().createValue(percent, CSSPrimitiveValue::UnitType::Percentage);
|
| - }
|
| - if (validUnit(valueList->current(), FPercent | FLength | unitless)) {
|
| - if (!cumulativeFlags) {
|
| - cumulativeFlags |= XFillPosition;
|
| - individualFlag = XFillPosition;
|
| - } else if (cumulativeFlags & (XFillPosition | AmbiguousFillPosition)) {
|
| - cumulativeFlags |= YFillPosition;
|
| - individualFlag = YFillPosition;
|
| - } else {
|
| - if (m_parsedCalculation)
|
| - m_parsedCalculation.release();
|
| - return nullptr;
|
| - }
|
| - return createPrimitiveNumericValue(valueList->current());
|
| - }
|
| - return nullptr;
|
| -}
|
| -
|
| -static bool isValueConflictingWithCurrentEdge(int value1, int value2)
|
| -{
|
| - if ((value1 == CSSValueLeft || value1 == CSSValueRight) && (value2 == CSSValueLeft || value2 == CSSValueRight))
|
| - return true;
|
| -
|
| - if ((value1 == CSSValueTop || value1 == CSSValueBottom) && (value2 == CSSValueTop || value2 == CSSValueBottom))
|
| - return true;
|
| -
|
| - return false;
|
| -}
|
| -
|
| -static bool isFillPositionKeyword(CSSValueID value)
|
| -{
|
| - return value == CSSValueLeft || value == CSSValueTop || value == CSSValueBottom || value == CSSValueRight || value == CSSValueCenter;
|
| -}
|
| -
|
| -void CSSPropertyParser::parse4ValuesFillPosition(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& value1, RefPtrWillBeRawPtr<CSSValue>& value2, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parsedValue1, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parsedValue2)
|
| -{
|
| - // [ left | right ] [ <percentage] | <length> ] && [ top | bottom ] [ <percentage> | <length> ]
|
| - // In the case of 4 values <position> requires the second value to be a length or a percentage.
|
| - if (isFillPositionKeyword(parsedValue2->getValueID()))
|
| - return;
|
| -
|
| - unsigned cumulativeFlags = 0;
|
| - FillPositionFlag value3Flag = InvalidFillPosition;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> value3 = parseFillPositionComponent(valueList, cumulativeFlags, value3Flag, ResolveValuesAsKeyword);
|
| - if (!value3)
|
| - return;
|
| -
|
| - CSSValueID ident1 = parsedValue1->getValueID();
|
| - CSSValueID ident3 = value3->getValueID();
|
| -
|
| - if (ident1 == CSSValueCenter)
|
| - return;
|
| -
|
| - if (!isFillPositionKeyword(ident3) || ident3 == CSSValueCenter)
|
| - return;
|
| -
|
| - // We need to check if the values are not conflicting, e.g. they are not on the same edge. It is
|
| - // needed as the second call to parseFillPositionComponent was on purpose not checking it. In the
|
| - // case of two values top 20px is invalid but in the case of 4 values it becomes valid.
|
| - if (isValueConflictingWithCurrentEdge(ident1, ident3))
|
| - return;
|
| -
|
| - valueList->next();
|
| -
|
| - cumulativeFlags = 0;
|
| - FillPositionFlag value4Flag = InvalidFillPosition;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> value4 = parseFillPositionComponent(valueList, cumulativeFlags, value4Flag, ResolveValuesAsKeyword);
|
| - if (!value4)
|
| - return;
|
| -
|
| - // 4th value must be a length or a percentage.
|
| - if (isFillPositionKeyword(value4->getValueID()))
|
| - return;
|
| -
|
| - value1 = CSSValuePair::create(parsedValue1, parsedValue2, CSSValuePair::DropIdenticalValues);
|
| - value2 = CSSValuePair::create(value3, value4, CSSValuePair::DropIdenticalValues);
|
| -
|
| - if (ident1 == CSSValueTop || ident1 == CSSValueBottom)
|
| - value1.swap(value2);
|
| -
|
| - valueList->next();
|
| -}
|
| -void CSSPropertyParser::parse3ValuesFillPosition(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& value1, RefPtrWillBeRawPtr<CSSValue>& value2, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parsedValue1, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parsedValue2)
|
| -{
|
| - unsigned cumulativeFlags = 0;
|
| - FillPositionFlag value3Flag = InvalidFillPosition;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> value3 = parseFillPositionComponent(valueList, cumulativeFlags, value3Flag, ResolveValuesAsKeyword);
|
| -
|
| - // value3 is not an expected value, we return.
|
| - if (!value3)
|
| - return;
|
| -
|
| - valueList->next();
|
| -
|
| - bool swapNeeded = false;
|
| - CSSValueID ident1 = parsedValue1->getValueID();
|
| - CSSValueID ident2 = parsedValue2->getValueID();
|
| - CSSValueID ident3 = value3->getValueID();
|
| -
|
| - CSSValueID firstPositionKeyword;
|
| - CSSValueID secondPositionKeyword;
|
| -
|
| - if (ident1 == CSSValueCenter) {
|
| - // <position> requires the first 'center' to be followed by a keyword.
|
| - if (!isFillPositionKeyword(ident2))
|
| - return;
|
| -
|
| - // If 'center' is the first keyword then the last one needs to be a length.
|
| - if (isFillPositionKeyword(ident3))
|
| - return;
|
| -
|
| - firstPositionKeyword = CSSValueLeft;
|
| - if (ident2 == CSSValueLeft || ident2 == CSSValueRight) {
|
| - firstPositionKeyword = CSSValueTop;
|
| - swapNeeded = true;
|
| - }
|
| - value1 = CSSValuePair::create(cssValuePool().createIdentifierValue(firstPositionKeyword), cssValuePool().createValue(50, CSSPrimitiveValue::UnitType::Percentage), CSSValuePair::DropIdenticalValues);
|
| - value2 = CSSValuePair::create(parsedValue2, value3, CSSValuePair::DropIdenticalValues);
|
| - } else if (ident3 == CSSValueCenter) {
|
| - if (isFillPositionKeyword(ident2))
|
| - return;
|
| -
|
| - secondPositionKeyword = CSSValueTop;
|
| - if (ident1 == CSSValueTop || ident1 == CSSValueBottom) {
|
| - secondPositionKeyword = CSSValueLeft;
|
| - swapNeeded = true;
|
| - }
|
| - value1 = CSSValuePair::create(parsedValue1, parsedValue2, CSSValuePair::DropIdenticalValues);
|
| - value2 = CSSValuePair::create(cssValuePool().createIdentifierValue(secondPositionKeyword), cssValuePool().createValue(50, CSSPrimitiveValue::UnitType::Percentage), CSSValuePair::DropIdenticalValues);
|
| - } else {
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> firstPositionValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> secondPositionValue = nullptr;
|
| -
|
| - if (isFillPositionKeyword(ident2)) {
|
| - // To match CSS grammar, we should only accept: [ center | left | right | bottom | top ] [ left | right | top | bottom ] [ <percentage> | <length> ].
|
| - ASSERT(ident2 != CSSValueCenter);
|
| -
|
| - if (isFillPositionKeyword(ident3))
|
| - return;
|
| -
|
| - secondPositionValue = value3;
|
| - secondPositionKeyword = ident2;
|
| - firstPositionValue = cssValuePool().createValue(0, CSSPrimitiveValue::UnitType::Percentage);
|
| - } else {
|
| - // Per CSS, we should only accept: [ right | left | top | bottom ] [ <percentage> | <length> ] [ center | left | right | bottom | top ].
|
| - if (!isFillPositionKeyword(ident3))
|
| - return;
|
| -
|
| - firstPositionValue = parsedValue2;
|
| - secondPositionKeyword = ident3;
|
| - secondPositionValue = cssValuePool().createValue(0, CSSPrimitiveValue::UnitType::Percentage);
|
| - }
|
| -
|
| - if (isValueConflictingWithCurrentEdge(ident1, secondPositionKeyword))
|
| - return;
|
| -
|
| - value1 = CSSValuePair::create(parsedValue1, firstPositionValue, CSSValuePair::DropIdenticalValues);
|
| - value2 = CSSValuePair::create(cssValuePool().createIdentifierValue(secondPositionKeyword), secondPositionValue, CSSValuePair::DropIdenticalValues);
|
| - }
|
| -
|
| - if (ident1 == CSSValueTop || ident1 == CSSValueBottom || swapNeeded)
|
| - value1.swap(value2);
|
| -
|
| -#if ENABLE(ASSERT)
|
| - const CSSValuePair& first = toCSSValuePair(*value1);
|
| - const CSSValuePair& second = toCSSValuePair(*value2);
|
| - ident1 = toCSSPrimitiveValue(first.first()).getValueID();
|
| - ident2 = toCSSPrimitiveValue(second.first()).getValueID();
|
| - ASSERT(ident1 == CSSValueLeft || ident1 == CSSValueRight);
|
| - ASSERT(ident2 == CSSValueBottom || ident2 == CSSValueTop);
|
| -#endif
|
| -}
|
| -
|
| -inline bool CSSPropertyParser::isPotentialPositionValue(CSSParserValue* value)
|
| -{
|
| - return isFillPositionKeyword(value->id) || validUnit(value, FPercent | FLength, ReleaseParsedCalcValue);
|
| -}
|
| -
|
| -void CSSPropertyParser::parseFillPosition(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& value1, RefPtrWillBeRawPtr<CSSValue>& value2, Units unitless)
|
| -{
|
| - unsigned numberOfValues = 0;
|
| - for (unsigned i = valueList->currentIndex(); i < valueList->size(); ++i, ++numberOfValues) {
|
| - CSSParserValue* current = valueList->valueAt(i);
|
| - if (!current || isComma(current) || isForwardSlashOperator(current) || !isPotentialPositionValue(current))
|
| - break;
|
| - }
|
| -
|
| - if (numberOfValues > 4)
|
| - return;
|
| -
|
| - // If we are parsing two values, we can safely call the CSS 2.1 parsing function and return.
|
| - if (numberOfValues <= 2) {
|
| - parse2ValuesFillPosition(valueList, value1, value2, unitless);
|
| - return;
|
| - }
|
| -
|
| - ASSERT(numberOfValues > 2 && numberOfValues <= 4);
|
| -
|
| - CSSParserValue* value = valueList->current();
|
| -
|
| - // <position> requires the first value to be a background keyword.
|
| - if (!isFillPositionKeyword(value->id))
|
| - return;
|
| -
|
| - // Parse the first value. We're just making sure that it is one of the valid keywords or a percentage/length.
|
| - unsigned cumulativeFlags = 0;
|
| - FillPositionFlag value1Flag = InvalidFillPosition;
|
| - FillPositionFlag value2Flag = InvalidFillPosition;
|
| - value1 = parseFillPositionComponent(valueList, cumulativeFlags, value1Flag, ResolveValuesAsKeyword);
|
| - if (!value1)
|
| - return;
|
| -
|
| - valueList->next();
|
| -
|
| - // In case we are parsing more than two values, relax the check inside of parseFillPositionComponent. top 20px is
|
| - // a valid start for <position>.
|
| - cumulativeFlags = AmbiguousFillPosition;
|
| - value2 = parseFillPositionComponent(valueList, cumulativeFlags, value2Flag, ResolveValuesAsKeyword);
|
| - if (value2)
|
| - valueList->next();
|
| - else {
|
| - value1.clear();
|
| - return;
|
| - }
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> parsedValue1 = toCSSPrimitiveValue(value1.get());
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> parsedValue2 = toCSSPrimitiveValue(value2.get());
|
| -
|
| - value1.clear();
|
| - value2.clear();
|
| -
|
| - // Per CSS3 syntax, <position> can't have 'center' as its second keyword as we have more arguments to follow.
|
| - if (parsedValue2->getValueID() == CSSValueCenter)
|
| - return;
|
| -
|
| - if (numberOfValues == 3)
|
| - parse3ValuesFillPosition(valueList, value1, value2, parsedValue1.release(), parsedValue2.release());
|
| - else
|
| - parse4ValuesFillPosition(valueList, value1, value2, parsedValue1.release(), parsedValue2.release());
|
| -}
|
| -
|
| -void CSSPropertyParser::parse2ValuesFillPosition(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& value1, RefPtrWillBeRawPtr<CSSValue>& value2, Units unitless)
|
| -{
|
| - // Parse the first value. We're just making sure that it is one of the valid keywords or a percentage/length.
|
| - unsigned cumulativeFlags = 0;
|
| - FillPositionFlag value1Flag = InvalidFillPosition;
|
| - FillPositionFlag value2Flag = InvalidFillPosition;
|
| - value1 = parseFillPositionComponent(valueList, cumulativeFlags, value1Flag, ResolveValuesAsPercent, unitless);
|
| - if (!value1)
|
| - return;
|
| -
|
| - // It only takes one value for background-position to be correctly parsed if it was specified in a shorthand (since we
|
| - // can assume that any other values belong to the rest of the shorthand). If we're not parsing a shorthand, though, the
|
| - // value was explicitly specified for our property.
|
| - CSSParserValue* value = valueList->next();
|
| -
|
| - // First check for the comma. If so, we are finished parsing this value or value pair.
|
| - if (value && isComma(value))
|
| - value = 0;
|
| -
|
| - if (value) {
|
| - value2 = parseFillPositionComponent(valueList, cumulativeFlags, value2Flag, ResolveValuesAsPercent, unitless);
|
| - if (value2)
|
| - valueList->next();
|
| - else {
|
| - if (!inShorthand()) {
|
| - value1.clear();
|
| - return;
|
| - }
|
| - }
|
| - }
|
| -
|
| - if (!value2) {
|
| - // Only one value was specified. If that value was not a keyword, then it sets the x position, and the y position
|
| - // is simply 50%. This is our default.
|
| - // For keywords, the keyword was either an x-keyword (left/right), a y-keyword (top/bottom), or an ambiguous keyword (center).
|
| - // For left/right/center, the default of 50% in the y is still correct.
|
| - value2 = cssValuePool().createValue(50, CSSPrimitiveValue::UnitType::Percentage);
|
| - }
|
| -
|
| - if (value1Flag == YFillPosition || value2Flag == XFillPosition)
|
| - value1.swap(value2);
|
| -}
|
| -
|
| -void CSSPropertyParser::parseFillRepeat(RefPtrWillBeRawPtr<CSSValue>& value1, RefPtrWillBeRawPtr<CSSValue>& value2)
|
| -{
|
| - CSSValueID id = m_valueList->current()->id;
|
| - if (id == CSSValueRepeatX) {
|
| - m_implicitShorthand = true;
|
| - value1 = cssValuePool().createIdentifierValue(CSSValueRepeat);
|
| - value2 = cssValuePool().createIdentifierValue(CSSValueNoRepeat);
|
| - m_valueList->next();
|
| - return;
|
| - }
|
| - if (id == CSSValueRepeatY) {
|
| - m_implicitShorthand = true;
|
| - value1 = cssValuePool().createIdentifierValue(CSSValueNoRepeat);
|
| - value2 = cssValuePool().createIdentifierValue(CSSValueRepeat);
|
| - m_valueList->next();
|
| - return;
|
| - }
|
| - if (id == CSSValueRepeat || id == CSSValueNoRepeat || id == CSSValueRound || id == CSSValueSpace)
|
| - value1 = cssValuePool().createIdentifierValue(id);
|
| - else {
|
| - value1 = nullptr;
|
| - return;
|
| - }
|
| -
|
| - CSSParserValue* value = m_valueList->next();
|
| -
|
| - // Parse the second value if one is available
|
| - if (value && !isComma(value)) {
|
| - id = value->id;
|
| - if (id == CSSValueRepeat || id == CSSValueNoRepeat || id == CSSValueRound || id == CSSValueSpace) {
|
| - value2 = cssValuePool().createIdentifierValue(id);
|
| - m_valueList->next();
|
| - return;
|
| - }
|
| - }
|
| -
|
| - // If only one value was specified, value2 is the same as value1.
|
| - m_implicitShorthand = true;
|
| - value2 = cssValuePool().createIdentifierValue(toCSSPrimitiveValue(value1.get())->getValueID());
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseFillSize(CSSPropertyID unresolvedProperty)
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - m_valueList->next();
|
| -
|
| - if (value->id == CSSValueContain || value->id == CSSValueCover)
|
| - return cssValuePool().createIdentifierValue(value->id);
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> parsedValue1 = nullptr;
|
| -
|
| - if (value->id == CSSValueAuto)
|
| - parsedValue1 = cssValuePool().createIdentifierValue(CSSValueAuto);
|
| - else {
|
| - if (!validUnit(value, FLength | FPercent))
|
| - return nullptr;
|
| - parsedValue1 = createPrimitiveNumericValue(value);
|
| - }
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> parsedValue2 = nullptr;
|
| - value = m_valueList->current();
|
| - if (value) {
|
| - if (value->id == CSSValueAuto) {
|
| - // `auto' is the default
|
| - m_valueList->next();
|
| - } else if (validUnit(value, FLength | FPercent)) {
|
| - parsedValue2 = createPrimitiveNumericValue(value);
|
| - m_valueList->next();
|
| - }
|
| - } else if (unresolvedProperty == CSSPropertyAliasWebkitBackgroundSize) {
|
| - // For backwards compatibility we set the second value to the first if it is omitted.
|
| - // We only need to do this for -webkit-background-size. It should be safe to let masks match
|
| - // the real property.
|
| - parsedValue2 = parsedValue1;
|
| - }
|
| -
|
| - if (!parsedValue2)
|
| - return parsedValue1;
|
| -
|
| - return CSSValuePair::create(parsedValue1.release(), parsedValue2.release(), CSSValuePair::KeepIdenticalValues);
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseFillProperty(CSSPropertyID propId, CSSPropertyID& propId1, CSSPropertyID& propId2,
|
| - RefPtrWillBeRawPtr<CSSValue>& retValue1, RefPtrWillBeRawPtr<CSSValue>& retValue2)
|
| -{
|
| - // We initially store the first value in value/value2, and only create
|
| - // CSSValueLists if we have more values.
|
| - RefPtrWillBeRawPtr<CSSValueList> values = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValueList> values2 = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> value = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> value2 = nullptr;
|
| -
|
| - retValue1 = retValue2 = nullptr;
|
| - propId1 = resolveCSSPropertyID(propId);
|
| - propId2 = propId1;
|
| - if (propId == CSSPropertyBackgroundPosition) {
|
| - propId1 = CSSPropertyBackgroundPositionX;
|
| - propId2 = CSSPropertyBackgroundPositionY;
|
| - } else if (propId == CSSPropertyWebkitMaskPosition) {
|
| - propId1 = CSSPropertyWebkitMaskPositionX;
|
| - propId2 = CSSPropertyWebkitMaskPositionY;
|
| - } else if (propId == CSSPropertyBackgroundRepeat) {
|
| - propId1 = CSSPropertyBackgroundRepeatX;
|
| - propId2 = CSSPropertyBackgroundRepeatY;
|
| - } else if (propId == CSSPropertyWebkitMaskRepeat) {
|
| - propId1 = CSSPropertyWebkitMaskRepeatX;
|
| - propId2 = CSSPropertyWebkitMaskRepeatY;
|
| - }
|
| -
|
| - while (true) {
|
| - RefPtrWillBeRawPtr<CSSValue> currValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> currValue2 = nullptr;
|
| -
|
| - Units unitless = FUnknown;
|
| - CSSParserValue* val = m_valueList->current();
|
| - ASSERT(val);
|
| -
|
| - switch (propId) {
|
| - case CSSPropertyBackgroundColor:
|
| - currValue = parseColor(val);
|
| - if (currValue)
|
| - m_valueList->next();
|
| - break;
|
| - case CSSPropertyBackgroundAttachment:
|
| - if (val->id == CSSValueScroll || val->id == CSSValueFixed || val->id == CSSValueLocal) {
|
| - currValue = cssValuePool().createIdentifierValue(val->id);
|
| - m_valueList->next();
|
| - }
|
| - break;
|
| - case CSSPropertyBackgroundImage:
|
| - case CSSPropertyWebkitMaskImage:
|
| - if (parseFillImage(m_valueList, currValue))
|
| - m_valueList->next();
|
| - break;
|
| - case CSSPropertyWebkitBackgroundClip:
|
| - case CSSPropertyWebkitBackgroundOrigin:
|
| - case CSSPropertyWebkitMaskClip:
|
| - case CSSPropertyWebkitMaskOrigin:
|
| - // The first three values here are deprecated and do not apply to the version of the property that has
|
| - // the -webkit- prefix removed.
|
| - if (val->id == CSSValueBorder || val->id == CSSValuePadding || val->id == CSSValueContent
|
| - || val->id == CSSValueBorderBox || val->id == CSSValuePaddingBox || val->id == CSSValueContentBox
|
| - || ((propId == CSSPropertyWebkitBackgroundClip || propId == CSSPropertyWebkitMaskClip)
|
| - && (val->id == CSSValueText || val->id == CSSValueWebkitText))) {
|
| - if (val->id == CSSValueWebkitText && m_context.useCounter())
|
| - m_context.useCounter()->count(UseCounter::WebkitTextInClipProperty);
|
| - currValue = cssValuePool().createIdentifierValue(val->id);
|
| - m_valueList->next();
|
| - }
|
| - break;
|
| - case CSSPropertyBackgroundClip:
|
| - if (parseBackgroundClip(val, currValue)) {
|
| - if (val->id == CSSValueWebkitText && m_context.useCounter())
|
| - m_context.useCounter()->count(UseCounter::WebkitTextInClipProperty);
|
| - m_valueList->next();
|
| - }
|
| - break;
|
| - case CSSPropertyBackgroundOrigin:
|
| - if (val->id == CSSValueBorderBox || val->id == CSSValuePaddingBox || val->id == CSSValueContentBox) {
|
| - currValue = cssValuePool().createIdentifierValue(val->id);
|
| - m_valueList->next();
|
| - }
|
| - break;
|
| - case CSSPropertyBackgroundPosition:
|
| - if (!inShorthand())
|
| - unitless = FUnitlessQuirk;
|
| - // fall-through
|
| - case CSSPropertyWebkitMaskPosition:
|
| - parseFillPosition(m_valueList, currValue, currValue2, unitless);
|
| - // parseFillPosition advances the m_valueList pointer.
|
| - break;
|
| - case CSSPropertyBackgroundPositionX:
|
| - case CSSPropertyWebkitMaskPositionX: {
|
| - currValue = parseFillPositionX(m_valueList);
|
| - if (currValue)
|
| - m_valueList->next();
|
| - break;
|
| - }
|
| - case CSSPropertyBackgroundPositionY:
|
| - case CSSPropertyWebkitMaskPositionY: {
|
| - currValue = parseFillPositionY(m_valueList);
|
| - if (currValue)
|
| - m_valueList->next();
|
| - break;
|
| - }
|
| - case CSSPropertyWebkitBackgroundComposite:
|
| - case CSSPropertyWebkitMaskComposite:
|
| - if (val->id >= CSSValueClear && val->id <= CSSValuePlusLighter) {
|
| - currValue = cssValuePool().createIdentifierValue(val->id);
|
| - m_valueList->next();
|
| - }
|
| - break;
|
| - case CSSPropertyBackgroundBlendMode:
|
| - if (val->id == CSSValueNormal || val->id == CSSValueMultiply
|
| - || val->id == CSSValueScreen || val->id == CSSValueOverlay || val->id == CSSValueDarken
|
| - || val->id == CSSValueLighten || val->id == CSSValueColorDodge || val->id == CSSValueColorBurn
|
| - || val->id == CSSValueHardLight || val->id == CSSValueSoftLight || val->id == CSSValueDifference
|
| - || val->id == CSSValueExclusion || val->id == CSSValueHue || val->id == CSSValueSaturation
|
| - || val->id == CSSValueColor || val->id == CSSValueLuminosity) {
|
| - currValue = cssValuePool().createIdentifierValue(val->id);
|
| - m_valueList->next();
|
| - }
|
| - break;
|
| - case CSSPropertyBackgroundRepeat:
|
| - case CSSPropertyWebkitMaskRepeat:
|
| - parseFillRepeat(currValue, currValue2);
|
| - // parseFillRepeat advances the m_valueList pointer
|
| - break;
|
| - case CSSPropertyBackgroundSize:
|
| - case CSSPropertyAliasWebkitBackgroundSize:
|
| - case CSSPropertyWebkitMaskSize: {
|
| - currValue = parseFillSize(propId);
|
| - break;
|
| - }
|
| - case CSSPropertyMaskSourceType: {
|
| - ASSERT(RuntimeEnabledFeatures::cssMaskSourceTypeEnabled());
|
| - if (val->id == CSSValueAuto || val->id == CSSValueAlpha || val->id == CSSValueLuminance) {
|
| - currValue = cssValuePool().createIdentifierValue(val->id);
|
| - m_valueList->next();
|
| - } else {
|
| - currValue = nullptr;
|
| - }
|
| - break;
|
| - }
|
| - default:
|
| - break;
|
| - }
|
| - if (!currValue)
|
| - return false;
|
| -
|
| - if (value && !values) {
|
| - values = CSSValueList::createCommaSeparated();
|
| - values->append(value.release());
|
| - }
|
| -
|
| - if (value2 && !values2) {
|
| - values2 = CSSValueList::createCommaSeparated();
|
| - values2->append(value2.release());
|
| - }
|
| -
|
| - if (values)
|
| - values->append(currValue.release());
|
| - else
|
| - value = currValue.release();
|
| - if (currValue2) {
|
| - if (values2)
|
| - values2->append(currValue2.release());
|
| - else
|
| - value2 = currValue2.release();
|
| - }
|
| -
|
| - // When parsing any fill shorthand property, we let it handle building up the lists for all
|
| - // properties.
|
| - if (inShorthand())
|
| - break;
|
| -
|
| - if (!m_valueList->current())
|
| - break;
|
| - if (!consumeComma(m_valueList) || !m_valueList->current())
|
| - return false;
|
| - }
|
| -
|
| - if (values) {
|
| - ASSERT(values->length());
|
| - retValue1 = values.release();
|
| - if (values2) {
|
| - ASSERT(values2->length());
|
| - retValue2 = values2.release();
|
| - }
|
| - } else {
|
| - ASSERT(value);
|
| - retValue1 = value.release();
|
| - retValue2 = value2.release();
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseAnimationDelay()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (validUnit(value, FTime))
|
| - return createPrimitiveNumericValue(value);
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseAnimationDirection()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (value->id == CSSValueNormal || value->id == CSSValueAlternate || value->id == CSSValueReverse || value->id == CSSValueAlternateReverse)
|
| - return cssValuePool().createIdentifierValue(value->id);
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseAnimationDuration()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (validUnit(value, FTime | FNonNeg))
|
| - return createPrimitiveNumericValue(value);
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseAnimationFillMode()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (value->id == CSSValueNone || value->id == CSSValueForwards || value->id == CSSValueBackwards || value->id == CSSValueBoth)
|
| - return cssValuePool().createIdentifierValue(value->id);
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseAnimationIterationCount()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (value->id == CSSValueInfinite)
|
| - return cssValuePool().createIdentifierValue(value->id);
|
| - if (validUnit(value, FNumber | FNonNeg))
|
| - return createPrimitiveNumericValue(value);
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseAnimationName(bool allowQuotedName)
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| -
|
| - if (value->id == CSSValueNone)
|
| - return cssValuePool().createIdentifierValue(CSSValueNone);
|
| -
|
| - if (value->m_unit == CSSParserValue::Identifier)
|
| - return createPrimitiveCustomIdentValue(value);
|
| -
|
| - if (allowQuotedName && value->unit() == CSSPrimitiveValue::UnitType::String) {
|
| - // Legacy support for strings in prefixed animations
|
| - if (m_context.useCounter())
|
| - m_context.useCounter()->count(UseCounter::QuotedAnimationName);
|
| - if (equalIgnoringCase(value->string, "none"))
|
| - return cssValuePool().createIdentifierValue(CSSValueNone);
|
| - return createPrimitiveCustomIdentValue(value);
|
| - }
|
| -
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseAnimationPlayState()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (value->id == CSSValueRunning || value->id == CSSValuePaused)
|
| - return cssValuePool().createIdentifierValue(value->id);
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseAnimationProperty()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (value->m_unit != CSSParserValue::Identifier)
|
| - return nullptr;
|
| - CSSPropertyID property = unresolvedCSSPropertyID(value->string);
|
| - if (property) {
|
| - ASSERT(CSSPropertyMetadata::isEnabledProperty(property));
|
| - return cssValuePool().createIdentifierValue(property);
|
| - }
|
| - if (value->id == CSSValueNone)
|
| - return cssValuePool().createIdentifierValue(CSSValueNone);
|
| - if (value->id == CSSValueInitial || value->id == CSSValueInherit)
|
| - return nullptr;
|
| - return createPrimitiveCustomIdentValue(value);
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseCubicBezierTimingFunctionValue(CSSParserValueList*& args, double& result)
|
| -{
|
| - CSSParserValue* v = args->current();
|
| - if (!validUnit(v, FNumber))
|
| - return false;
|
| - result = v->fValue;
|
| - v = args->next();
|
| - if (!v)
|
| - // The last number in the function has no comma after it, so we're done.
|
| - return true;
|
| - return consumeComma(args);
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseAnimationTimingFunction()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (value->id == CSSValueEase || value->id == CSSValueLinear || value->id == CSSValueEaseIn || value->id == CSSValueEaseOut
|
| - || value->id == CSSValueEaseInOut || value->id == CSSValueStepStart || value->id == CSSValueStepEnd
|
| - || value->id == CSSValueStepMiddle)
|
| - return cssValuePool().createIdentifierValue(value->id);
|
| -
|
| - // We must be a function.
|
| - if (value->m_unit != CSSParserValue::Function)
|
| - return nullptr;
|
| -
|
| - CSSParserValueList* args = value->function->args.get();
|
| -
|
| - if (value->function->id == CSSValueSteps) {
|
| - // For steps, 1 or 2 params must be specified (comma-separated)
|
| - if (!args || (args->size() != 1 && args->size() != 3))
|
| - return nullptr;
|
| -
|
| - // There are two values.
|
| - int numSteps;
|
| - StepsTimingFunction::StepAtPosition stepAtPosition = StepsTimingFunction::End;
|
| -
|
| - CSSParserValue* v = args->current();
|
| - if (!validUnit(v, FInteger))
|
| - return nullptr;
|
| - numSteps = clampTo<int>(v->fValue);
|
| - if (numSteps < 1)
|
| - return nullptr;
|
| -
|
| - if (args->next()) {
|
| - // There is a comma so we need to parse the second value
|
| - if (!consumeComma(args))
|
| - return nullptr;
|
| - switch (args->current()->id) {
|
| - case CSSValueMiddle:
|
| - if (!RuntimeEnabledFeatures::webAnimationsAPIEnabled())
|
| - return nullptr;
|
| - stepAtPosition = StepsTimingFunction::Middle;
|
| - break;
|
| - case CSSValueStart:
|
| - stepAtPosition = StepsTimingFunction::Start;
|
| - break;
|
| - case CSSValueEnd:
|
| - stepAtPosition = StepsTimingFunction::End;
|
| - break;
|
| - default:
|
| - return nullptr;
|
| - }
|
| - }
|
| -
|
| - return CSSStepsTimingFunctionValue::create(numSteps, stepAtPosition);
|
| - }
|
| -
|
| - if (value->function->id == CSSValueCubicBezier) {
|
| - // For cubic bezier, 4 values must be specified.
|
| - if (!args || args->size() != 7)
|
| - return nullptr;
|
| -
|
| - // There are two points specified. The x values must be between 0 and 1 but the y values can exceed this range.
|
| - double x1, y1, x2, y2;
|
| -
|
| - if (!parseCubicBezierTimingFunctionValue(args, x1))
|
| - return nullptr;
|
| - if (x1 < 0 || x1 > 1)
|
| - return nullptr;
|
| - if (!parseCubicBezierTimingFunctionValue(args, y1))
|
| - return nullptr;
|
| - if (!parseCubicBezierTimingFunctionValue(args, x2))
|
| - return nullptr;
|
| - if (x2 < 0 || x2 > 1)
|
| - return nullptr;
|
| - if (!parseCubicBezierTimingFunctionValue(args, y2))
|
| - return nullptr;
|
| -
|
| - return CSSCubicBezierTimingFunctionValue::create(x1, y1, x2, y2);
|
| - }
|
| -
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseAnimationProperty(CSSPropertyID propId, bool useLegacyParsing)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValue> value = nullptr;
|
| - switch (propId) {
|
| - case CSSPropertyAnimationDelay:
|
| - case CSSPropertyTransitionDelay:
|
| - value = parseAnimationDelay();
|
| - break;
|
| - case CSSPropertyAnimationDirection:
|
| - value = parseAnimationDirection();
|
| - break;
|
| - case CSSPropertyAnimationDuration:
|
| - case CSSPropertyTransitionDuration:
|
| - value = parseAnimationDuration();
|
| - break;
|
| - case CSSPropertyAnimationFillMode:
|
| - value = parseAnimationFillMode();
|
| - break;
|
| - case CSSPropertyAnimationIterationCount:
|
| - value = parseAnimationIterationCount();
|
| - break;
|
| - case CSSPropertyAnimationName:
|
| - value = parseAnimationName(useLegacyParsing);
|
| - break;
|
| - case CSSPropertyAnimationPlayState:
|
| - value = parseAnimationPlayState();
|
| - break;
|
| - case CSSPropertyTransitionProperty:
|
| - value = parseAnimationProperty();
|
| - break;
|
| - case CSSPropertyAnimationTimingFunction:
|
| - case CSSPropertyTransitionTimingFunction:
|
| - value = parseAnimationTimingFunction();
|
| - break;
|
| - default:
|
| - ASSERT_NOT_REACHED();
|
| - return nullptr;
|
| - }
|
| -
|
| - if (value)
|
| - m_valueList->next();
|
| - return value.release();
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValueList> CSSPropertyParser::parseAnimationPropertyList(CSSPropertyID propId, bool useLegacyParsing)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
|
| - while (true) {
|
| - RefPtrWillBeRawPtr<CSSValue> value = parseAnimationProperty(propId, useLegacyParsing);
|
| - if (!value)
|
| - return nullptr;
|
| - list->append(value.release());
|
| - if (!m_valueList->current())
|
| - break;
|
| - if (!consumeComma(m_valueList) || !m_valueList->current())
|
| - return nullptr;
|
| - }
|
| - if (propId == CSSPropertyTransitionProperty && !isValidTransitionPropertyList(list.get()))
|
| - return nullptr;
|
| - ASSERT(list->length());
|
| - return list.release();
|
| -}
|
| -
|
| -static inline bool isCSSWideKeyword(const CSSParserValue& value)
|
| -{
|
| - return value.id == CSSValueInitial || value.id == CSSValueInherit || value.id == CSSValueUnset || value.id == CSSValueDefault;
|
| -}
|
| -
|
| -static inline bool isValidCustomIdentForGridPositions(const CSSParserValue& value)
|
| -{
|
| - // FIXME: we need a more general solution for <custom-ident> in all properties.
|
| - return value.m_unit == CSSParserValue::Identifier && value.id != CSSValueSpan && value.id != CSSValueAuto && !isCSSWideKeyword(value);
|
| -}
|
| -
|
| -// The function parses [ <integer> || <custom-ident> ] in <grid-line> (which can be stand alone or with 'span').
|
| -bool CSSPropertyParser::parseIntegerOrCustomIdentFromGridPosition(RefPtrWillBeRawPtr<CSSPrimitiveValue>& numericValue, RefPtrWillBeRawPtr<CSSPrimitiveValue>& gridLineName)
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (validUnit(value, FInteger) && value->fValue) {
|
| - numericValue = createPrimitiveNumericValue(value);
|
| - value = m_valueList->next();
|
| - if (value && isValidCustomIdentForGridPositions(*value)) {
|
| - gridLineName = createPrimitiveCustomIdentValue(m_valueList->current());
|
| - m_valueList->next();
|
| - }
|
| - return true;
|
| - }
|
| -
|
| - if (isValidCustomIdentForGridPositions(*value)) {
|
| - gridLineName = createPrimitiveCustomIdentValue(m_valueList->current());
|
| - value = m_valueList->next();
|
| - if (value && validUnit(value, FInteger) && value->fValue) {
|
| - numericValue = createPrimitiveNumericValue(value);
|
| - m_valueList->next();
|
| - }
|
| - return true;
|
| - }
|
| -
|
| - return false;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseGridPosition()
|
| -{
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| -
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (value->id == CSSValueAuto) {
|
| - m_valueList->next();
|
| - return cssValuePool().createIdentifierValue(CSSValueAuto);
|
| - }
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> numericValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> gridLineName = nullptr;
|
| - bool hasSeenSpanKeyword = false;
|
| -
|
| - if (parseIntegerOrCustomIdentFromGridPosition(numericValue, gridLineName)) {
|
| - value = m_valueList->current();
|
| - if (value && value->id == CSSValueSpan) {
|
| - hasSeenSpanKeyword = true;
|
| - m_valueList->next();
|
| - }
|
| - } else if (value->id == CSSValueSpan) {
|
| - hasSeenSpanKeyword = true;
|
| - if (CSSParserValue* nextValue = m_valueList->next()) {
|
| - if (!isForwardSlashOperator(nextValue) && !parseIntegerOrCustomIdentFromGridPosition(numericValue, gridLineName))
|
| - return nullptr;
|
| - }
|
| - }
|
| -
|
| - // Check that we have consumed all the value list. For shorthands, the parser will pass
|
| - // the whole value list (including the opposite position).
|
| - if (m_valueList->current() && !isForwardSlashOperator(m_valueList->current()))
|
| - return nullptr;
|
| -
|
| - // If we didn't parse anything, this is not a valid grid position.
|
| - if (!hasSeenSpanKeyword && !gridLineName && !numericValue)
|
| - return nullptr;
|
| -
|
| - // Negative numbers are not allowed for span (but are for <integer>).
|
| - if (hasSeenSpanKeyword && numericValue && numericValue->getIntValue() < 0)
|
| - return nullptr;
|
| -
|
| - // For the <custom-ident> case.
|
| - if (gridLineName && !numericValue && !hasSeenSpanKeyword)
|
| - return cssValuePool().createValue(gridLineName->getStringValue(), CSSPrimitiveValue::UnitType::CustomIdentifier);
|
| -
|
| - RefPtrWillBeRawPtr<CSSValueList> values = CSSValueList::createSpaceSeparated();
|
| - if (hasSeenSpanKeyword)
|
| - values->append(cssValuePool().createIdentifierValue(CSSValueSpan));
|
| - if (numericValue)
|
| - values->append(numericValue.release());
|
| - if (gridLineName)
|
| - values->append(gridLineName.release());
|
| - ASSERT(values->length());
|
| - return values.release();
|
| -}
|
| -
|
| -static PassRefPtrWillBeRawPtr<CSSValue> gridMissingGridPositionValue(CSSValue* value)
|
| -{
|
| - if (value->isPrimitiveValue() && toCSSPrimitiveValue(value)->isCustomIdent())
|
| - return value;
|
| -
|
| - return cssValuePool().createIdentifierValue(CSSValueAuto);
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseGridItemPositionShorthand(CSSPropertyID shorthandId, bool important)
|
| -{
|
| - ShorthandScope scope(this, shorthandId);
|
| - const StylePropertyShorthand& shorthand = shorthandForProperty(shorthandId);
|
| - ASSERT(shorthand.length() == 2);
|
| -
|
| - RefPtrWillBeRawPtr<CSSValue> startValue = parseGridPosition();
|
| - if (!startValue)
|
| - return false;
|
| -
|
| - RefPtrWillBeRawPtr<CSSValue> endValue = nullptr;
|
| - if (m_valueList->current()) {
|
| - if (!isForwardSlashOperator(m_valueList->current()))
|
| - return false;
|
| -
|
| - if (!m_valueList->next())
|
| - return false;
|
| -
|
| - endValue = parseGridPosition();
|
| - if (!endValue || m_valueList->current())
|
| - return false;
|
| - } else {
|
| - endValue = gridMissingGridPositionValue(startValue.get());
|
| - }
|
| -
|
| - addProperty(shorthand.properties()[0], startValue, important);
|
| - addProperty(shorthand.properties()[1], endValue, important);
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseGridTemplateRowsAndAreas(PassRefPtrWillBeRawPtr<CSSValue> templateColumns, bool important)
|
| -{
|
| - NamedGridAreaMap gridAreaMap;
|
| - size_t rowCount = 0;
|
| - size_t columnCount = 0;
|
| - bool trailingIdentWasAdded = false;
|
| - RefPtrWillBeRawPtr<CSSValueList> templateRows = CSSValueList::createSpaceSeparated();
|
| -
|
| - // At least template-areas strings must be defined.
|
| - if (!m_valueList->current())
|
| - return false;
|
| -
|
| - while (m_valueList->current()) {
|
| - // Handle leading <custom-ident>*.
|
| - if (!parseGridLineNames(*m_valueList, *templateRows, trailingIdentWasAdded ? toCSSGridLineNamesValue(templateRows->item(templateRows->length() - 1)) : nullptr))
|
| - return false;
|
| -
|
| - // Handle a template-area's row.
|
| - if (!parseGridTemplateAreasRow(gridAreaMap, rowCount, columnCount))
|
| - return false;
|
| - ++rowCount;
|
| -
|
| - // Handle template-rows's track-size.
|
| - if (m_valueList->current() && m_valueList->current()->unit() != CSSPrimitiveValue::UnitType::String) {
|
| - RefPtrWillBeRawPtr<CSSValue> value = parseGridTrackSize(*m_valueList);
|
| - if (!value)
|
| - return false;
|
| - templateRows->append(value);
|
| - } else {
|
| - templateRows->append(cssValuePool().createIdentifierValue(CSSValueAuto));
|
| - }
|
| -
|
| - // This will handle the trailing/leading <custom-ident>* in the grammar.
|
| - if (!parseGridLineNames(*m_valueList, *templateRows))
|
| - return false;
|
| - trailingIdentWasAdded = templateRows->item(templateRows->length() - 1)->isGridLineNamesValue();
|
| - }
|
| -
|
| - // [<track-list> /]?
|
| - if (templateColumns)
|
| - addProperty(CSSPropertyGridTemplateColumns, templateColumns, important);
|
| - else
|
| - addProperty(CSSPropertyGridTemplateColumns, cssValuePool().createIdentifierValue(CSSValueNone), important);
|
| -
|
| - // [<line-names>? <string> [<track-size> <line-names>]? ]+
|
| - RefPtrWillBeRawPtr<CSSValue> templateAreas = CSSGridTemplateAreasValue::create(gridAreaMap, rowCount, columnCount);
|
| - addProperty(CSSPropertyGridTemplateAreas, templateAreas.release(), important);
|
| - addProperty(CSSPropertyGridTemplateRows, templateRows.release(), important);
|
| -
|
| - return true;
|
| -}
|
| -
|
| -
|
| -bool CSSPropertyParser::parseGridTemplateShorthand(bool important)
|
| -{
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| -
|
| - ShorthandScope scope(this, CSSPropertyGridTemplate);
|
| - ASSERT(gridTemplateShorthand().length() == 3);
|
| -
|
| - // At least "none" must be defined.
|
| - if (!m_valueList->current())
|
| - return false;
|
| -
|
| - bool firstValueIsNone = m_valueList->current()->id == CSSValueNone;
|
| -
|
| - // 1- 'none' case.
|
| - if (firstValueIsNone && !m_valueList->next()) {
|
| - addProperty(CSSPropertyGridTemplateColumns, cssValuePool().createIdentifierValue(CSSValueNone), important);
|
| - addProperty(CSSPropertyGridTemplateRows, cssValuePool().createIdentifierValue(CSSValueNone), important);
|
| - addProperty(CSSPropertyGridTemplateAreas, cssValuePool().createIdentifierValue(CSSValueNone), important);
|
| - return true;
|
| - }
|
| -
|
| - unsigned index = 0;
|
| - RefPtrWillBeRawPtr<CSSValue> columnsValue = nullptr;
|
| - if (firstValueIsNone) {
|
| - columnsValue = cssValuePool().createIdentifierValue(CSSValueNone);
|
| - } else {
|
| - columnsValue = parseGridTrackList();
|
| - }
|
| -
|
| - // 2- <grid-template-columns> / <grid-template-columns> syntax.
|
| - if (columnsValue) {
|
| - if (!(m_valueList->current() && isForwardSlashOperator(m_valueList->current()) && m_valueList->next()))
|
| - return false;
|
| - index = m_valueList->currentIndex();
|
| - if (RefPtrWillBeRawPtr<CSSValue> rowsValue = parseGridTrackList()) {
|
| - if (m_valueList->current())
|
| - return false;
|
| - addProperty(CSSPropertyGridTemplateColumns, columnsValue, important);
|
| - addProperty(CSSPropertyGridTemplateRows, rowsValue, important);
|
| - addProperty(CSSPropertyGridTemplateAreas, cssValuePool().createIdentifierValue(CSSValueNone), important);
|
| - return true;
|
| - }
|
| - }
|
| -
|
| -
|
| - // 3- [<track-list> /]? [<line-names>? <string> [<track-size> <line-names>]? ]+ syntax.
|
| - // The template-columns <track-list> can't be 'none'.
|
| - if (firstValueIsNone)
|
| - return false;
|
| - // It requires to rewind parsing due to previous syntax failures.
|
| - m_valueList->setCurrentIndex(index);
|
| - return parseGridTemplateRowsAndAreas(columnsValue, important);
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseGridShorthand(bool important)
|
| -{
|
| - ShorthandScope scope(this, CSSPropertyGrid);
|
| - ASSERT(shorthandForProperty(CSSPropertyGrid).length() == 6);
|
| -
|
| - // 1- <grid-template>
|
| - if (parseGridTemplateShorthand(important)) {
|
| - // It can only be specified the explicit or the implicit grid properties in a single grid declaration.
|
| - // The sub-properties not specified are set to their initial value, as normal for shorthands.
|
| - addProperty(CSSPropertyGridAutoFlow, cssValuePool().createImplicitInitialValue(), important);
|
| - addProperty(CSSPropertyGridAutoColumns, cssValuePool().createImplicitInitialValue(), important);
|
| - addProperty(CSSPropertyGridAutoRows, cssValuePool().createImplicitInitialValue(), important);
|
| - return true;
|
| - }
|
| -
|
| - // Need to rewind parsing to explore the alternative syntax of this shorthand.
|
| - m_valueList->setCurrentIndex(0);
|
| -
|
| - // 2- <grid-auto-flow> [ <grid-auto-columns> [ / <grid-auto-rows> ]? ]
|
| - if (!parseValue(CSSPropertyGridAutoFlow, important))
|
| - return false;
|
| -
|
| - RefPtrWillBeRawPtr<CSSValue> autoColumnsValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> autoRowsValue = nullptr;
|
| -
|
| - if (m_valueList->current()) {
|
| - autoColumnsValue = parseGridTrackSize(*m_valueList);
|
| - if (!autoColumnsValue)
|
| - return false;
|
| - if (m_valueList->current()) {
|
| - if (!isForwardSlashOperator(m_valueList->current()) || !m_valueList->next())
|
| - return false;
|
| - autoRowsValue = parseGridTrackSize(*m_valueList);
|
| - if (!autoRowsValue)
|
| - return false;
|
| - }
|
| - if (m_valueList->current())
|
| - return false;
|
| - } else {
|
| - // Other omitted values are set to their initial values.
|
| - autoColumnsValue = cssValuePool().createImplicitInitialValue();
|
| - autoRowsValue = cssValuePool().createImplicitInitialValue();
|
| - }
|
| -
|
| - // if <grid-auto-rows> value is omitted, it is set to the value specified for grid-auto-columns.
|
| - if (!autoRowsValue)
|
| - autoRowsValue = autoColumnsValue;
|
| -
|
| - addProperty(CSSPropertyGridAutoColumns, autoColumnsValue, important);
|
| - addProperty(CSSPropertyGridAutoRows, autoRowsValue, important);
|
| -
|
| - // It can only be specified the explicit or the implicit grid properties in a single grid declaration.
|
| - // The sub-properties not specified are set to their initial value, as normal for shorthands.
|
| - addProperty(CSSPropertyGridTemplateColumns, cssValuePool().createImplicitInitialValue(), important);
|
| - addProperty(CSSPropertyGridTemplateRows, cssValuePool().createImplicitInitialValue(), important);
|
| - addProperty(CSSPropertyGridTemplateAreas, cssValuePool().createImplicitInitialValue(), important);
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseGridAreaShorthand(bool important)
|
| -{
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| -
|
| - ShorthandScope scope(this, CSSPropertyGridArea);
|
| - const StylePropertyShorthand& shorthand = gridAreaShorthand();
|
| - ASSERT_UNUSED(shorthand, shorthand.length() == 4);
|
| -
|
| - RefPtrWillBeRawPtr<CSSValue> rowStartValue = parseGridPosition();
|
| - if (!rowStartValue)
|
| - return false;
|
| -
|
| - RefPtrWillBeRawPtr<CSSValue> columnStartValue = nullptr;
|
| - if (!parseSingleGridAreaLonghand(columnStartValue))
|
| - return false;
|
| -
|
| - RefPtrWillBeRawPtr<CSSValue> rowEndValue = nullptr;
|
| - if (!parseSingleGridAreaLonghand(rowEndValue))
|
| - return false;
|
| -
|
| - RefPtrWillBeRawPtr<CSSValue> columnEndValue = nullptr;
|
| - if (!parseSingleGridAreaLonghand(columnEndValue))
|
| - return false;
|
| -
|
| - if (!columnStartValue)
|
| - columnStartValue = gridMissingGridPositionValue(rowStartValue.get());
|
| -
|
| - if (!rowEndValue)
|
| - rowEndValue = gridMissingGridPositionValue(rowStartValue.get());
|
| -
|
| - if (!columnEndValue)
|
| - columnEndValue = gridMissingGridPositionValue(columnStartValue.get());
|
| -
|
| - addProperty(CSSPropertyGridRowStart, rowStartValue, important);
|
| - addProperty(CSSPropertyGridColumnStart, columnStartValue, important);
|
| - addProperty(CSSPropertyGridRowEnd, rowEndValue, important);
|
| - addProperty(CSSPropertyGridColumnEnd, columnEndValue, important);
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseSingleGridAreaLonghand(RefPtrWillBeRawPtr<CSSValue>& property)
|
| -{
|
| - if (!m_valueList->current())
|
| - return true;
|
| -
|
| - if (!isForwardSlashOperator(m_valueList->current()))
|
| - return false;
|
| -
|
| - if (!m_valueList->next())
|
| - return false;
|
| -
|
| - property = parseGridPosition();
|
| - return true;
|
| -}
|
| -
|
| -static inline bool isClosingBracket(const CSSParserValue& value)
|
| -{
|
| - return value.m_unit == CSSParserValue::Operator && value.iValue == ']';
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseGridLineNames(CSSParserValueList& inputList, CSSValueList& valueList, CSSGridLineNamesValue* previousNamedAreaTrailingLineNames)
|
| -{
|
| - if (!inputList.current() || inputList.current()->m_unit != CSSParserValue::Operator || inputList.current()->iValue != '[')
|
| - return true;
|
| -
|
| - // Skip '['
|
| - inputList.next();
|
| -
|
| - RefPtrWillBeRawPtr<CSSGridLineNamesValue> lineNames = previousNamedAreaTrailingLineNames;
|
| - if (!lineNames)
|
| - lineNames = CSSGridLineNamesValue::create();
|
| -
|
| - while (CSSParserValue* identValue = inputList.current()) {
|
| - if (isClosingBracket(*identValue))
|
| - break;
|
| -
|
| - if (!isValidCustomIdentForGridPositions(*identValue))
|
| - return false;
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> lineName = createPrimitiveCustomIdentValue(identValue);
|
| - lineNames->append(lineName.release());
|
| - inputList.next();
|
| - }
|
| -
|
| - if (!inputList.current() || !isClosingBracket(*inputList.current()))
|
| - return false;
|
| -
|
| - if (!previousNamedAreaTrailingLineNames)
|
| - valueList.append(lineNames.release());
|
| -
|
| - // Consume ']'
|
| - inputList.next();
|
| - return true;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseGridTrackList()
|
| -{
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| -
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (value->id == CSSValueNone) {
|
| - m_valueList->next();
|
| - return cssValuePool().createIdentifierValue(CSSValueNone);
|
| - }
|
| -
|
| - RefPtrWillBeRawPtr<CSSValueList> values = CSSValueList::createSpaceSeparated();
|
| - // Handle leading <custom-ident>*.
|
| - if (!parseGridLineNames(*m_valueList, *values))
|
| - return nullptr;
|
| -
|
| - bool seenTrackSizeOrRepeatFunction = false;
|
| - while (CSSParserValue* currentValue = m_valueList->current()) {
|
| - if (isForwardSlashOperator(currentValue))
|
| - break;
|
| - if (currentValue->m_unit == CSSParserValue::Function && currentValue->function->id == CSSValueRepeat) {
|
| - if (!parseGridTrackRepeatFunction(*values))
|
| - return nullptr;
|
| - seenTrackSizeOrRepeatFunction = true;
|
| - } else {
|
| - RefPtrWillBeRawPtr<CSSValue> value = parseGridTrackSize(*m_valueList);
|
| - if (!value)
|
| - return nullptr;
|
| - values->append(value);
|
| - seenTrackSizeOrRepeatFunction = true;
|
| - }
|
| - // This will handle the trailing <custom-ident>* in the grammar.
|
| - if (!parseGridLineNames(*m_valueList, *values))
|
| - return nullptr;
|
| - }
|
| -
|
| - // We should have found a <track-size> or else it is not a valid <track-list>
|
| - if (!seenTrackSizeOrRepeatFunction)
|
| - return nullptr;
|
| -
|
| - return values;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseGridTrackRepeatFunction(CSSValueList& list)
|
| -{
|
| - CSSParserValueList* arguments = m_valueList->current()->function->args.get();
|
| - if (!arguments || arguments->size() < 3 || !validUnit(arguments->valueAt(0), FPositiveInteger) || !isComma(arguments->valueAt(1)))
|
| - return false;
|
| -
|
| - ASSERT(arguments->valueAt(0)->fValue > 0);
|
| - size_t repetitions = clampTo<size_t>(arguments->valueAt(0)->fValue, 0, kGridMaxTracks);
|
| -
|
| - RefPtrWillBeRawPtr<CSSValueList> repeatedValues = CSSValueList::createSpaceSeparated();
|
| - arguments->next(); // Skip the repetition count.
|
| - arguments->next(); // Skip the comma.
|
| -
|
| - // Handle leading <custom-ident>*.
|
| - if (!parseGridLineNames(*arguments, *repeatedValues))
|
| - return false;
|
| -
|
| - size_t numberOfTracks = 0;
|
| - while (arguments->current()) {
|
| - RefPtrWillBeRawPtr<CSSValue> trackSize = parseGridTrackSize(*arguments);
|
| - if (!trackSize)
|
| - return false;
|
| -
|
| - repeatedValues->append(trackSize);
|
| - ++numberOfTracks;
|
| -
|
| - // This takes care of any trailing <custom-ident>* in the grammar.
|
| - if (!parseGridLineNames(*arguments, *repeatedValues))
|
| - return false;
|
| - }
|
| -
|
| - // We should have found at least one <track-size> or else it is not a valid <track-list>.
|
| - if (!numberOfTracks)
|
| - return false;
|
| -
|
| - // We clamp the number of repetitions to a multiple of the repeat() track list's size, while staying below the max
|
| - // grid size.
|
| - repetitions = std::min(repetitions, kGridMaxTracks / numberOfTracks);
|
| -
|
| - for (size_t i = 0; i < repetitions; ++i) {
|
| - for (size_t j = 0; j < repeatedValues->length(); ++j)
|
| - list.append(repeatedValues->item(j));
|
| - }
|
| -
|
| - // parseGridTrackSize iterated over the repeat arguments, move to the next value.
|
| - m_valueList->next();
|
| - return true;
|
| -}
|
| -
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseGridTrackSize(CSSParserValueList& inputList)
|
| -{
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| -
|
| - CSSParserValue* currentValue = inputList.current();
|
| - inputList.next();
|
| -
|
| - if (currentValue->id == CSSValueAuto)
|
| - return cssValuePool().createIdentifierValue(CSSValueAuto);
|
| -
|
| - if (currentValue->m_unit == CSSParserValue::Function && currentValue->function->id == CSSValueMinmax) {
|
| - // The spec defines the following grammar: minmax( <track-breadth> , <track-breadth> )
|
| - CSSParserValueList* arguments = currentValue->function->args.get();
|
| - if (!arguments || arguments->size() != 3 || !isComma(arguments->valueAt(1)))
|
| - return nullptr;
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> minTrackBreadth = parseGridBreadth(arguments->valueAt(0));
|
| - if (!minTrackBreadth)
|
| - return nullptr;
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> maxTrackBreadth = parseGridBreadth(arguments->valueAt(2));
|
| - if (!maxTrackBreadth)
|
| - return nullptr;
|
| -
|
| - RefPtrWillBeRawPtr<CSSFunctionValue> result = CSSFunctionValue::create(CSSValueMinmax);
|
| - result->append(minTrackBreadth);
|
| - result->append(maxTrackBreadth);
|
| - return result.release();
|
| - }
|
| -
|
| - return parseGridBreadth(currentValue);
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::parseGridBreadth(CSSParserValue* currentValue)
|
| -{
|
| - if (currentValue->id == CSSValueMinContent || currentValue->id == CSSValueMaxContent || currentValue->id == CSSValueAuto)
|
| - return cssValuePool().createIdentifierValue(currentValue->id);
|
| -
|
| - if (currentValue->unit() == CSSPrimitiveValue::UnitType::Fraction) {
|
| - double flexValue = currentValue->fValue;
|
| -
|
| - // Fractional unit is a non-negative dimension.
|
| - if (flexValue <= 0)
|
| - return nullptr;
|
| -
|
| - return cssValuePool().createValue(flexValue, CSSPrimitiveValue::UnitType::Fraction);
|
| - }
|
| -
|
| - if (!validUnit(currentValue, FNonNeg | FLength | FPercent))
|
| - return nullptr;
|
| -
|
| - return createPrimitiveNumericValue(currentValue);
|
| -}
|
| -
|
| -static Vector<String> parseGridTemplateAreasColumnNames(const String& gridRowNames)
|
| -{
|
| - ASSERT(!gridRowNames.isEmpty());
|
| - Vector<String> columnNames;
|
| - // Using StringImpl to avoid checks and indirection in every call to String::operator[].
|
| - StringImpl& text = *gridRowNames.impl();
|
| -
|
| - StringBuilder areaName;
|
| - for (unsigned i = 0; i < text.length(); ++i) {
|
| - if (text[i] == ' ') {
|
| - if (!areaName.isEmpty()) {
|
| - columnNames.append(areaName.toString());
|
| - areaName.clear();
|
| - }
|
| - continue;
|
| - }
|
| - if (text[i] == '.') {
|
| - if (areaName == ".")
|
| - continue;
|
| - if (!areaName.isEmpty()) {
|
| - columnNames.append(areaName.toString());
|
| - areaName.clear();
|
| - }
|
| - } else {
|
| - if (areaName == ".") {
|
| - columnNames.append(areaName.toString());
|
| - areaName.clear();
|
| - }
|
| - }
|
| -
|
| - areaName.append(text[i]);
|
| - }
|
| -
|
| - if (!areaName.isEmpty())
|
| - columnNames.append(areaName.toString());
|
| -
|
| - return columnNames;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseGridTemplateAreasRow(NamedGridAreaMap& gridAreaMap, const size_t rowCount, size_t& columnCount)
|
| -{
|
| - CSSParserValue* currentValue = m_valueList->current();
|
| - if (!currentValue || currentValue->unit() != CSSPrimitiveValue::UnitType::String)
|
| - return false;
|
| -
|
| - String gridRowNames = currentValue->string;
|
| - if (gridRowNames.isEmpty() || gridRowNames.containsOnlyWhitespace())
|
| - return false;
|
| -
|
| - Vector<String> columnNames = parseGridTemplateAreasColumnNames(gridRowNames);
|
| - if (!columnCount) {
|
| - columnCount = columnNames.size();
|
| - ASSERT(columnCount);
|
| - } else if (columnCount != columnNames.size()) {
|
| - // The declaration is invalid is all the rows don't have the number of columns.
|
| - return false;
|
| - }
|
| -
|
| - for (size_t currentCol = 0; currentCol < columnCount; ++currentCol) {
|
| - const String& gridAreaName = columnNames[currentCol];
|
| -
|
| - // Unamed areas are always valid (we consider them to be 1x1).
|
| - if (gridAreaName == ".")
|
| - continue;
|
| -
|
| - // We handle several grid areas with the same name at once to simplify the validation code.
|
| - size_t lookAheadCol;
|
| - for (lookAheadCol = currentCol; lookAheadCol < (columnCount - 1); ++lookAheadCol) {
|
| - if (columnNames[lookAheadCol + 1] != gridAreaName)
|
| - break;
|
| - }
|
| -
|
| - NamedGridAreaMap::iterator gridAreaIt = gridAreaMap.find(gridAreaName);
|
| - if (gridAreaIt == gridAreaMap.end()) {
|
| - gridAreaMap.add(gridAreaName, GridCoordinate(GridSpan(rowCount, rowCount), GridSpan(currentCol, lookAheadCol)));
|
| - } else {
|
| - GridCoordinate& gridCoordinate = gridAreaIt->value;
|
| -
|
| - // The following checks test that the grid area is a single filled-in rectangle.
|
| - // 1. The new row is adjacent to the previously parsed row.
|
| - if (rowCount != gridCoordinate.rows.resolvedFinalPosition.next().toInt())
|
| - return false;
|
| -
|
| - // 2. The new area starts at the same position as the previously parsed area.
|
| - if (currentCol != gridCoordinate.columns.resolvedInitialPosition.toInt())
|
| - return false;
|
| -
|
| - // 3. The new area ends at the same position as the previously parsed area.
|
| - if (lookAheadCol != gridCoordinate.columns.resolvedFinalPosition.toInt())
|
| - return false;
|
| -
|
| - ++gridCoordinate.rows.resolvedFinalPosition;
|
| - }
|
| - currentCol = lookAheadCol;
|
| - }
|
| -
|
| - m_valueList->next();
|
| - return true;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseGridTemplateAreas()
|
| -{
|
| - if (m_valueList->current() && m_valueList->current()->id == CSSValueNone) {
|
| - m_valueList->next();
|
| - return cssValuePool().createIdentifierValue(CSSValueNone);
|
| - }
|
| -
|
| - NamedGridAreaMap gridAreaMap;
|
| - size_t rowCount = 0;
|
| - size_t columnCount = 0;
|
| -
|
| - while (m_valueList->current()) {
|
| - if (!parseGridTemplateAreasRow(gridAreaMap, rowCount, columnCount))
|
| - return nullptr;
|
| - ++rowCount;
|
| - }
|
| -
|
| - if (!rowCount || !columnCount)
|
| - return nullptr;
|
| -
|
| - return CSSGridTemplateAreasValue::create(gridAreaMap, rowCount, columnCount);
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseGridAutoFlow(CSSParserValueList& list)
|
| -{
|
| - // [ row | column ] || dense
|
| - ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
|
| -
|
| - CSSParserValue* value = list.current();
|
| - if (!value)
|
| - return nullptr;
|
| -
|
| - RefPtrWillBeRawPtr<CSSValueList> parsedValues = CSSValueList::createSpaceSeparated();
|
| -
|
| - // First parameter.
|
| - CSSValueID firstId = value->id;
|
| - if (firstId != CSSValueRow && firstId != CSSValueColumn && firstId != CSSValueDense)
|
| - return nullptr;
|
| - parsedValues->append(cssValuePool().createIdentifierValue(firstId));
|
| -
|
| - // Second parameter, if any.
|
| - value = list.next();
|
| - if (value) {
|
| - switch (firstId) {
|
| - case CSSValueRow:
|
| - case CSSValueColumn:
|
| - if (value->id != CSSValueDense)
|
| - return parsedValues;
|
| - break;
|
| - case CSSValueDense:
|
| - if (value->id != CSSValueRow && value->id != CSSValueColumn)
|
| - return parsedValues;
|
| - break;
|
| - default:
|
| - return parsedValues;
|
| - }
|
| - parsedValues->append(cssValuePool().createIdentifierValue(value->id));
|
| - list.next();
|
| - }
|
| -
|
| - return parsedValues;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseCounterContent(CSSParserValueList* args, bool counters)
|
| -{
|
| - unsigned numArgs = args->size();
|
| - if (counters && numArgs != 3 && numArgs != 5)
|
| - return nullptr;
|
| - if (!counters && numArgs != 1 && numArgs != 3)
|
| - return nullptr;
|
| -
|
| - CSSParserValue* i = args->current();
|
| - if (i->m_unit != CSSParserValue::Identifier)
|
| - return nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> identifier = createPrimitiveCustomIdentValue(i);
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> separator = nullptr;
|
| - if (!counters)
|
| - separator = cssValuePool().createValue(String(), CSSPrimitiveValue::UnitType::CustomIdentifier);
|
| - else {
|
| - args->next();
|
| - if (!consumeComma(args))
|
| - return nullptr;
|
| -
|
| - i = args->current();
|
| - if (i->unit() != CSSPrimitiveValue::UnitType::String)
|
| - return nullptr;
|
| -
|
| - separator = createPrimitiveCustomIdentValue(i);
|
| - }
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> listStyle = nullptr;
|
| - i = args->next();
|
| - if (!i) // Make the list style default decimal
|
| - listStyle = cssValuePool().createIdentifierValue(CSSValueDecimal);
|
| - else {
|
| - if (!consumeComma(args))
|
| - return nullptr;
|
| -
|
| - i = args->current();
|
| - if (i->m_unit != CSSParserValue::Identifier)
|
| - return nullptr;
|
| -
|
| - CSSValueID listStyleID = CSSValueInvalid;
|
| - if (i->id == CSSValueNone || (i->id >= CSSValueDisc && i->id <= CSSValueKatakanaIroha))
|
| - listStyleID = i->id;
|
| - else
|
| - return nullptr;
|
| -
|
| - listStyle = cssValuePool().createIdentifierValue(listStyleID);
|
| - }
|
| -
|
| - return CSSCounterValue::create(identifier.release(), listStyle.release(), separator.release());
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSQuadValue> CSSPropertyParser::parseClipShape()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - CSSParserValueList* args = value->function->args.get();
|
| -
|
| - if (value->function->id != CSSValueRect || !args)
|
| - return nullptr;
|
| -
|
| - // rect(t, r, b, l) || rect(t r b l)
|
| - if (args->size() != 4 && args->size() != 7)
|
| - return nullptr;
|
| - int i = 0;
|
| - CSSParserValue* a = args->current();
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> top = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> right = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> bottom = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> left = nullptr;
|
| - while (a) {
|
| - if (a->id != CSSValueAuto && !validUnit(a, FLength | FUnitlessQuirk))
|
| - return nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> length = a->id == CSSValueAuto ?
|
| - cssValuePool().createIdentifierValue(CSSValueAuto) :
|
| - createPrimitiveNumericValue(a);
|
| - if (i == 0)
|
| - top = length;
|
| - else if (i == 1)
|
| - right = length;
|
| - else if (i == 2)
|
| - bottom = length;
|
| - else
|
| - left = length;
|
| - a = args->next();
|
| - if (a && args->size() == 7) {
|
| - if (!consumeComma(args))
|
| - return nullptr;
|
| - a = args->current();
|
| - }
|
| - i++;
|
| - }
|
| - m_valueList->next();
|
| - return CSSQuadValue::create(top.release(), right.release(), bottom.release(), left.release(), CSSQuadValue::SerializeAsRect);
|
| -}
|
| -
|
| -static void completeBorderRadii(RefPtrWillBeRawPtr<CSSPrimitiveValue> radii[4])
|
| -{
|
| - if (radii[3])
|
| - return;
|
| - if (!radii[2]) {
|
| - if (!radii[1])
|
| - radii[1] = radii[0];
|
| - radii[2] = radii[0];
|
| - }
|
| - radii[3] = radii[1];
|
| -}
|
| -
|
| -// FIXME: This should be refactored with parseBorderRadius.
|
| -// parseBorderRadius contains support for some legacy radius construction.
|
| -PassRefPtrWillBeRawPtr<CSSBasicShape> CSSPropertyParser::parseInsetRoundedCorners(PassRefPtrWillBeRawPtr<CSSBasicShapeInset> shape, CSSParserValueList* args)
|
| -{
|
| - CSSParserValue* argument = args->next();
|
| -
|
| - if (!argument)
|
| - return nullptr;
|
| -
|
| - Vector<CSSParserValue*> radiusArguments;
|
| - while (argument) {
|
| - radiusArguments.append(argument);
|
| - argument = args->next();
|
| - }
|
| -
|
| - unsigned num = radiusArguments.size();
|
| - if (!num || num > 9)
|
| - return nullptr;
|
| -
|
| - // FIXME: Refactor completeBorderRadii and the array
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> radii[2][4];
|
| -#if ENABLE(OILPAN)
|
| - // Zero initialize the array of raw pointers.
|
| - memset(&radii, 0, sizeof(radii));
|
| -#endif
|
| -
|
| - unsigned indexAfterSlash = 0;
|
| - for (unsigned i = 0; i < num; ++i) {
|
| - CSSParserValue* value = radiusArguments.at(i);
|
| - if (value->m_unit == CSSParserValue::Operator) {
|
| - if (value->iValue != '/')
|
| - return nullptr;
|
| -
|
| - if (!i || indexAfterSlash || i + 1 == num)
|
| - return nullptr;
|
| -
|
| - indexAfterSlash = i + 1;
|
| - completeBorderRadii(radii[0]);
|
| - continue;
|
| - }
|
| -
|
| - if (i - indexAfterSlash >= 4)
|
| - return nullptr;
|
| -
|
| - if (!validUnit(value, FLength | FPercent | FNonNeg))
|
| - return nullptr;
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> radius = createPrimitiveNumericValue(value);
|
| -
|
| - if (!indexAfterSlash)
|
| - radii[0][i] = radius;
|
| - else
|
| - radii[1][i - indexAfterSlash] = radius.release();
|
| - }
|
| -
|
| - if (!indexAfterSlash) {
|
| - completeBorderRadii(radii[0]);
|
| - for (unsigned i = 0; i < 4; ++i)
|
| - radii[1][i] = radii[0][i];
|
| - } else {
|
| - completeBorderRadii(radii[1]);
|
| - }
|
| - shape->setTopLeftRadius(CSSValuePair::create(radii[0][0].release(), radii[1][0].release(), CSSValuePair::DropIdenticalValues));
|
| - shape->setTopRightRadius(CSSValuePair::create(radii[0][1].release(), radii[1][1].release(), CSSValuePair::DropIdenticalValues));
|
| - shape->setBottomRightRadius(CSSValuePair::create(radii[0][2].release(), radii[1][2].release(), CSSValuePair::DropIdenticalValues));
|
| - shape->setBottomLeftRadius(CSSValuePair::create(radii[0][3].release(), radii[1][3].release(), CSSValuePair::DropIdenticalValues));
|
| -
|
| - return shape;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSBasicShape> CSSPropertyParser::parseBasicShapeInset(CSSParserValueList* args)
|
| -{
|
| - ASSERT(args);
|
| -
|
| - RefPtrWillBeRawPtr<CSSBasicShapeInset> shape = CSSBasicShapeInset::create();
|
| -
|
| - CSSParserValue* argument = args->current();
|
| - WillBeHeapVector<RefPtrWillBeMember<CSSPrimitiveValue>> widthArguments;
|
| - bool hasRoundedInset = false;
|
| -
|
| - while (argument) {
|
| - if (argument->m_unit == CSSParserValue::Identifier && argument->id == CSSValueRound) {
|
| - hasRoundedInset = true;
|
| - break;
|
| - }
|
| -
|
| - Units unitFlags = FLength | FPercent;
|
| - if (!validUnit(argument, unitFlags) || widthArguments.size() > 4)
|
| - return nullptr;
|
| -
|
| - widthArguments.append(createPrimitiveNumericValue(argument));
|
| - argument = args->next();
|
| - }
|
| -
|
| - switch (widthArguments.size()) {
|
| - case 1: {
|
| - shape->updateShapeSize1Value(widthArguments[0].get());
|
| - break;
|
| - }
|
| - case 2: {
|
| - shape->updateShapeSize2Values(widthArguments[0].get(), widthArguments[1].get());
|
| - break;
|
| - }
|
| - case 3: {
|
| - shape->updateShapeSize3Values(widthArguments[0].get(), widthArguments[1].get(), widthArguments[2].get());
|
| - break;
|
| - }
|
| - case 4: {
|
| - shape->updateShapeSize4Values(widthArguments[0].get(), widthArguments[1].get(), widthArguments[2].get(), widthArguments[3].get());
|
| - break;
|
| - }
|
| - default:
|
| - return nullptr;
|
| - }
|
| -
|
| - if (hasRoundedInset)
|
| - return parseInsetRoundedCorners(shape, args);
|
| - return shape;
|
| -}
|
| -
|
| -static bool isContentDistributionKeyword(CSSValueID id)
|
| -{
|
| - return id == CSSValueSpaceBetween || id == CSSValueSpaceAround
|
| - || id == CSSValueSpaceEvenly || id == CSSValueStretch;
|
| -}
|
| -
|
| -static bool isContentPositionKeyword(CSSValueID id)
|
| -{
|
| - return id == CSSValueStart || id == CSSValueEnd || id == CSSValueCenter
|
| - || id == CSSValueFlexStart || id == CSSValueFlexEnd
|
| - || id == CSSValueLeft || id == CSSValueRight;
|
| -}
|
| -
|
| -static bool isBaselinePositionKeyword(CSSValueID id)
|
| -{
|
| - return id == CSSValueBaseline || id == CSSValueLastBaseline;
|
| -}
|
| -
|
| -static bool isAlignmentOverflowKeyword(CSSValueID id)
|
| -{
|
| - return id == CSSValueTrue || id == CSSValueSafe;
|
| -}
|
| -
|
| -static bool isItemPositionKeyword(CSSValueID id)
|
| -{
|
| - return id == CSSValueStart || id == CSSValueEnd || id == CSSValueCenter
|
| - || id == CSSValueSelfStart || id == CSSValueSelfEnd || id == CSSValueFlexStart
|
| - || id == CSSValueFlexEnd || id == CSSValueLeft || id == CSSValueRight;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseLegacyPosition(CSSPropertyID propId, bool important)
|
| -{
|
| - // [ legacy && [ left | right | center ]
|
| -
|
| - CSSParserValue* value = m_valueList->current();
|
| - ASSERT(value);
|
| -
|
| - if (value->id == CSSValueLegacy) {
|
| - value = m_valueList->next();
|
| - if (!value)
|
| - return false;
|
| - if (value->id != CSSValueCenter && value->id != CSSValueLeft && value->id != CSSValueRight)
|
| - return false;
|
| - } else if (value->id == CSSValueCenter || value->id == CSSValueLeft || value->id == CSSValueRight) {
|
| - if (!m_valueList->next() || m_valueList->current()->id != CSSValueLegacy)
|
| - return false;
|
| - } else {
|
| - return false;
|
| - }
|
| -
|
| - addProperty(propId, CSSValuePair::create(cssValuePool().createIdentifierValue(CSSValueLegacy), cssValuePool().createIdentifierValue(value->id), CSSValuePair::DropIdenticalValues), important);
|
| - return !m_valueList->next();
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseContentDistributionOverflowPosition()
|
| -{
|
| - // auto | <baseline-position> | <content-distribution> || [ <overflow-position>? && <content-position> ]
|
| - // <baseline-position> = baseline | last-baseline;
|
| - // <content-distribution> = space-between | space-around | space-evenly | stretch;
|
| - // <content-position> = center | start | end | flex-start | flex-end | left | right;
|
| - // <overflow-position> = true | safe
|
| -
|
| - // auto | <baseline-position>
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (value->id == CSSValueAuto || isBaselinePositionKeyword(value->id)) {
|
| - m_valueList->next();
|
| - return CSSContentDistributionValue::create(CSSValueInvalid, value->id, CSSValueInvalid);
|
| - }
|
| -
|
| - CSSValueID distribution = CSSValueInvalid;
|
| - CSSValueID position = CSSValueInvalid;
|
| - CSSValueID overflow = CSSValueInvalid;
|
| - while (value) {
|
| - if (isContentDistributionKeyword(value->id)) {
|
| - if (distribution != CSSValueInvalid)
|
| - return nullptr;
|
| - distribution = value->id;
|
| - } else if (isContentPositionKeyword(value->id)) {
|
| - if (position != CSSValueInvalid)
|
| - return nullptr;
|
| - position = value->id;
|
| - } else if (isAlignmentOverflowKeyword(value->id)) {
|
| - if (overflow != CSSValueInvalid)
|
| - return nullptr;
|
| - overflow = value->id;
|
| - } else {
|
| - return nullptr;
|
| - }
|
| - value = m_valueList->next();
|
| - }
|
| -
|
| - // The grammar states that we should have at least <content-distribution> or
|
| - // <content-position> ( <content-distribution> || <content-position> ).
|
| - if (position == CSSValueInvalid && distribution == CSSValueInvalid)
|
| - return nullptr;
|
| -
|
| - // The grammar states that <overflow-position> must be associated to <content-position>.
|
| - if (overflow != CSSValueInvalid && position == CSSValueInvalid)
|
| - return nullptr;
|
| -
|
| - return CSSContentDistributionValue::create(distribution, position, overflow);
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseItemPositionOverflowPosition(CSSPropertyID propId, bool important)
|
| -{
|
| - // auto | stretch | <baseline-position> | [<item-position> && <overflow-position>? ]
|
| - // <baseline-position> = baseline | last-baseline;
|
| - // <item-position> = center | start | end | self-start | self-end | flex-start | flex-end | left | right;
|
| - // <overflow-position> = true | safe
|
| -
|
| - CSSParserValue* value = m_valueList->current();
|
| - ASSERT(value);
|
| -
|
| - if (value->id == CSSValueAuto || value->id == CSSValueStretch || isBaselinePositionKeyword(value->id)) {
|
| - if (m_valueList->next())
|
| - return false;
|
| -
|
| - addProperty(propId, cssValuePool().createIdentifierValue(value->id), important);
|
| - return true;
|
| - }
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> position = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> overflowAlignmentKeyword = nullptr;
|
| - if (isItemPositionKeyword(value->id)) {
|
| - position = cssValuePool().createIdentifierValue(value->id);
|
| - value = m_valueList->next();
|
| - if (value) {
|
| - if (isAlignmentOverflowKeyword(value->id))
|
| - overflowAlignmentKeyword = cssValuePool().createIdentifierValue(value->id);
|
| - else
|
| - return false;
|
| - }
|
| - } else if (isAlignmentOverflowKeyword(value->id)) {
|
| - overflowAlignmentKeyword = cssValuePool().createIdentifierValue(value->id);
|
| - value = m_valueList->next();
|
| - if (value && isItemPositionKeyword(value->id))
|
| - position = cssValuePool().createIdentifierValue(value->id);
|
| - else
|
| - return false;
|
| - } else {
|
| - return false;
|
| - }
|
| -
|
| - if (m_valueList->next())
|
| - return false;
|
| -
|
| - ASSERT(position);
|
| - if (overflowAlignmentKeyword)
|
| - addProperty(propId, CSSValuePair::create(position, overflowAlignmentKeyword, CSSValuePair::DropIdenticalValues), important);
|
| - else
|
| - addProperty(propId, position.release(), important);
|
| -
|
| - return true;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::parseShapeRadius(CSSParserValue* value)
|
| -{
|
| - if (value->id == CSSValueClosestSide || value->id == CSSValueFarthestSide)
|
| - return cssValuePool().createIdentifierValue(value->id);
|
| -
|
| - if (!validUnit(value, FLength | FPercent | FNonNeg))
|
| - return nullptr;
|
| -
|
| - return createPrimitiveNumericValue(value);
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSBasicShape> CSSPropertyParser::parseBasicShapeCircle(CSSParserValueList* args)
|
| -{
|
| - ASSERT(args);
|
| -
|
| - // circle(radius)
|
| - // circle(radius at <position>)
|
| - // circle(at <position>)
|
| - // where position defines centerX and centerY using a CSS <position> data type.
|
| - RefPtrWillBeRawPtr<CSSBasicShapeCircle> shape = CSSBasicShapeCircle::create();
|
| -
|
| - for (CSSParserValue* argument = args->current(); argument; argument = args->next()) {
|
| - // The call to parseFillPosition below should consume all of the
|
| - // arguments except the first two. Thus, and index greater than one
|
| - // indicates an invalid production.
|
| - if (args->currentIndex() > 1)
|
| - return nullptr;
|
| -
|
| - if (!args->currentIndex() && argument->id != CSSValueAt) {
|
| - if (RefPtrWillBeRawPtr<CSSPrimitiveValue> radius = parseShapeRadius(argument)) {
|
| - shape->setRadius(radius);
|
| - continue;
|
| - }
|
| -
|
| - return nullptr;
|
| - }
|
| -
|
| - if (argument->id == CSSValueAt && args->next()) {
|
| - RefPtrWillBeRawPtr<CSSValue> centerX = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> centerY = nullptr;
|
| - parseFillPosition(args, centerX, centerY);
|
| - if (centerX && centerY && !args->current()) {
|
| - shape->setCenterX(centerX);
|
| - shape->setCenterY(centerY);
|
| - } else {
|
| - return nullptr;
|
| - }
|
| - } else {
|
| - return nullptr;
|
| - }
|
| - }
|
| -
|
| - return shape;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSBasicShape> CSSPropertyParser::parseBasicShapeEllipse(CSSParserValueList* args)
|
| -{
|
| - ASSERT(args);
|
| -
|
| - // ellipse(radiusX)
|
| - // ellipse(radiusX at <position>)
|
| - // ellipse(radiusX radiusY)
|
| - // ellipse(radiusX radiusY at <position>)
|
| - // ellipse(at <position>)
|
| - // where position defines centerX and centerY using a CSS <position> data type.
|
| - RefPtrWillBeRawPtr<CSSBasicShapeEllipse> shape = CSSBasicShapeEllipse::create();
|
| -
|
| - for (CSSParserValue* argument = args->current(); argument; argument = args->next()) {
|
| - // The call to parseFillPosition below should consume all of the
|
| - // arguments except the first three. Thus, an index greater than two
|
| - // indicates an invalid production.
|
| - if (args->currentIndex() > 2)
|
| - return nullptr;
|
| -
|
| - if (args->currentIndex() < 2 && argument->id != CSSValueAt) {
|
| - if (RefPtrWillBeRawPtr<CSSPrimitiveValue> radius = parseShapeRadius(argument)) {
|
| - if (!shape->radiusX())
|
| - shape->setRadiusX(radius);
|
| - else
|
| - shape->setRadiusY(radius);
|
| - continue;
|
| - }
|
| -
|
| - return nullptr;
|
| - }
|
| -
|
| - if (argument->id != CSSValueAt || !args->next()) // expecting ellipse(.. at <position>)
|
| - return nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> centerX = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> centerY = nullptr;
|
| - parseFillPosition(args, centerX, centerY);
|
| - if (!centerX || !centerY || args->current())
|
| - return nullptr;
|
| -
|
| - shape->setCenterX(centerX);
|
| - shape->setCenterY(centerY);
|
| - }
|
| -
|
| - return shape;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSBasicShape> CSSPropertyParser::parseBasicShapePolygon(CSSParserValueList* args)
|
| -{
|
| - ASSERT(args);
|
| -
|
| - unsigned size = args->size();
|
| - if (!size)
|
| - return nullptr;
|
| -
|
| - RefPtrWillBeRawPtr<CSSBasicShapePolygon> shape = CSSBasicShapePolygon::create();
|
| -
|
| - CSSParserValue* argument = args->current();
|
| - if (argument->id == CSSValueEvenodd || argument->id == CSSValueNonzero) {
|
| - shape->setWindRule(argument->id == CSSValueEvenodd ? RULE_EVENODD : RULE_NONZERO);
|
| - args->next();
|
| -
|
| - if (!consumeComma(args))
|
| - return nullptr;
|
| -
|
| - size -= 2;
|
| - }
|
| -
|
| - // <length> <length>, ... <length> <length> -> each pair has 3 elements except the last one
|
| - if (!size || (size % 3) - 2)
|
| - return nullptr;
|
| -
|
| - while (true) {
|
| - CSSParserValue* argumentX = args->current();
|
| - if (!argumentX || !validUnit(argumentX, FLength | FPercent))
|
| - return nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> xLength = createPrimitiveNumericValue(argumentX);
|
| -
|
| - CSSParserValue* argumentY = args->next();
|
| - if (!argumentY || !validUnit(argumentY, FLength | FPercent))
|
| - return nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> yLength = createPrimitiveNumericValue(argumentY);
|
| -
|
| - shape->appendPoint(xLength.release(), yLength.release());
|
| -
|
| - if (!args->next())
|
| - break;
|
| - if (!consumeComma(args))
|
| - return nullptr;
|
| - }
|
| -
|
| - return shape;
|
| -}
|
| -
|
| -static bool isBoxValue(CSSValueID valueId)
|
| -{
|
| - switch (valueId) {
|
| - case CSSValueContentBox:
|
| - case CSSValuePaddingBox:
|
| - case CSSValueBorderBox:
|
| - case CSSValueMarginBox:
|
| - return true;
|
| - default:
|
| - break;
|
| - }
|
| -
|
| - return false;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseShapeProperty(CSSPropertyID propId)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValue> imageValue = nullptr;
|
| - if (parseFillImage(m_valueList, imageValue)) {
|
| - m_valueList->next();
|
| - return imageValue.release();
|
| - }
|
| -
|
| - return parseBasicShapeAndOrBox();
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseBasicShapeAndOrBox()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| -
|
| - bool shapeFound = false;
|
| - bool boxFound = false;
|
| - CSSValueID valueId;
|
| -
|
| - RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
|
| - for (unsigned i = 0; i < 2; ++i) {
|
| - if (!value)
|
| - break;
|
| - valueId = value->id;
|
| - if (value->m_unit == CSSParserValue::Function && !shapeFound) {
|
| - // parseBasicShape already asks for the next value list item.
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> shapeValue = parseBasicShape();
|
| - if (!shapeValue)
|
| - return nullptr;
|
| - list->append(shapeValue.release());
|
| - shapeFound = true;
|
| - } else if (isBoxValue(valueId) && !boxFound) {
|
| - list->append(parseValidPrimitive(valueId, value));
|
| - boxFound = true;
|
| - m_valueList->next();
|
| - } else {
|
| - return nullptr;
|
| - }
|
| -
|
| - value = m_valueList->current();
|
| - }
|
| -
|
| - if (m_valueList->current())
|
| - return nullptr;
|
| - return list.release();
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::parseBasicShape()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - ASSERT(value->m_unit == CSSParserValue::Function);
|
| - CSSParserValueList* args = value->function->args.get();
|
| -
|
| - if (!args)
|
| - return nullptr;
|
| -
|
| - RefPtrWillBeRawPtr<CSSBasicShape> shape = nullptr;
|
| - if (value->function->id == CSSValueCircle)
|
| - shape = parseBasicShapeCircle(args);
|
| - else if (value->function->id == CSSValueEllipse)
|
| - shape = parseBasicShapeEllipse(args);
|
| - else if (value->function->id == CSSValuePolygon)
|
| - shape = parseBasicShapePolygon(args);
|
| - else if (value->function->id == CSSValueInset)
|
| - shape = parseBasicShapeInset(args);
|
| -
|
| - if (!shape)
|
| - return nullptr;
|
| -
|
| - m_valueList->next();
|
| -
|
| - return cssValuePool().createValue(shape.release());
|
| -}
|
| -
|
| -// [ 'font-style' || 'font-variant' || 'font-weight' ]? 'font-size' [ / 'line-height' ]? 'font-family'
|
| -bool CSSPropertyParser::parseFont(bool important)
|
| -{
|
| - // Let's check if there is an inherit or initial somewhere in the shorthand.
|
| - for (unsigned i = 0; i < m_valueList->size(); ++i) {
|
| - if (m_valueList->valueAt(i)->id == CSSValueInherit || m_valueList->valueAt(i)->id == CSSValueInitial)
|
| - return false;
|
| - }
|
| -
|
| - ShorthandScope scope(this, CSSPropertyFont);
|
| - // Optional font-style, font-variant and font-weight.
|
| - bool fontStyleParsed = false;
|
| - bool fontVariantParsed = false;
|
| - bool fontWeightParsed = false;
|
| - bool fontStretchParsed = false;
|
| - CSSParserValue* value = m_valueList->current();
|
| - for (; value; value = m_valueList->next()) {
|
| - if (!fontStyleParsed && CSSParserFastPaths::isValidKeywordPropertyAndValue(CSSPropertyFontStyle, value->id)) {
|
| - addProperty(CSSPropertyFontStyle, cssValuePool().createIdentifierValue(value->id), important);
|
| - fontStyleParsed = true;
|
| - } else if (!fontVariantParsed && (value->id == CSSValueNormal || value->id == CSSValueSmallCaps)) {
|
| - // Font variant in the shorthand is particular, it only accepts normal or small-caps.
|
| - addProperty(CSSPropertyFontVariant, cssValuePool().createIdentifierValue(value->id), important);
|
| - fontVariantParsed = true;
|
| - } else if (!fontWeightParsed && parseFontWeight(important)) {
|
| - fontWeightParsed = true;
|
| - } else if (!fontStretchParsed && CSSParserFastPaths::isValidKeywordPropertyAndValue(CSSPropertyFontStretch, value->id)) {
|
| - addProperty(CSSPropertyFontStretch, cssValuePool().createIdentifierValue(value->id), important);
|
| - fontStretchParsed = true;
|
| - } else {
|
| - break;
|
| - }
|
| - }
|
| -
|
| - if (!value)
|
| - return false;
|
| -
|
| - if (!fontStyleParsed)
|
| - addProperty(CSSPropertyFontStyle, cssValuePool().createIdentifierValue(CSSValueNormal), important, true);
|
| - if (!fontVariantParsed)
|
| - addProperty(CSSPropertyFontVariant, cssValuePool().createIdentifierValue(CSSValueNormal), important, true);
|
| - if (!fontWeightParsed)
|
| - addProperty(CSSPropertyFontWeight, cssValuePool().createIdentifierValue(CSSValueNormal), important, true);
|
| - if (!fontStretchParsed)
|
| - addProperty(CSSPropertyFontStretch, cssValuePool().createIdentifierValue(CSSValueNormal), important, true);
|
| -
|
| - // Now a font size _must_ come.
|
| - // <absolute-size> | <relative-size> | <length> | <percentage> | inherit
|
| - if (!parseFontSize(important))
|
| - return false;
|
| -
|
| - value = m_valueList->current();
|
| - if (!value)
|
| - return false;
|
| -
|
| - if (isForwardSlashOperator(value)) {
|
| - // The line-height property.
|
| - value = m_valueList->next();
|
| - if (!value)
|
| - return false;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> lineHeight = parseLineHeight();
|
| - if (!lineHeight)
|
| - return false;
|
| - addProperty(CSSPropertyLineHeight, lineHeight.release(), important);
|
| - } else {
|
| - addProperty(CSSPropertyLineHeight, cssValuePool().createIdentifierValue(CSSValueNormal), important, true);
|
| - }
|
| -
|
| - // Font family must come now.
|
| - RefPtrWillBeRawPtr<CSSValue> parsedFamilyValue = parseFontFamily();
|
| - if (!parsedFamilyValue)
|
| - return false;
|
| -
|
| - addProperty(CSSPropertyFontFamily, parsedFamilyValue.release(), important);
|
| -
|
| - // FIXME: http://www.w3.org/TR/2011/WD-css3-fonts-20110324/#font-prop requires that
|
| - // "font-stretch", "font-size-adjust", and "font-kerning" be reset to their initial values
|
| - // but we don't seem to support them at the moment. They should also be added here once implemented.
|
| - if (m_valueList->current())
|
| - return false;
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseSystemFont(bool important)
|
| -{
|
| - CSSValueID systemFontID = m_valueList->valueAt(0)->id;
|
| - ASSERT(systemFontID >= CSSValueCaption && systemFontID <= CSSValueStatusBar);
|
| - if (m_valueList->next())
|
| - return false;
|
| -
|
| - FontStyle fontStyle = FontStyleNormal;
|
| - FontWeight fontWeight = FontWeightNormal;
|
| - float fontSize = 0;
|
| - AtomicString fontFamily;
|
| - LayoutTheme::theme().systemFont(systemFontID, fontStyle, fontWeight, fontSize, fontFamily);
|
| -
|
| - ShorthandScope scope(this, CSSPropertyFont);
|
| - addProperty(CSSPropertyFontStyle, cssValuePool().createIdentifierValue(fontStyle == FontStyleItalic ? CSSValueItalic : CSSValueNormal), important);
|
| - addProperty(CSSPropertyFontWeight, cssValuePool().createValue(fontWeight), important);
|
| - addProperty(CSSPropertyFontSize, cssValuePool().createValue(fontSize, CSSPrimitiveValue::UnitType::Pixels), important);
|
| - RefPtrWillBeRawPtr<CSSValueList> fontFamilyList = CSSValueList::createCommaSeparated();
|
| - fontFamilyList->append(cssValuePool().createFontFamilyValue(fontFamily));
|
| - addProperty(CSSPropertyFontFamily, fontFamilyList.release(), important);
|
| -
|
| - addProperty(CSSPropertyFontStretch, cssValuePool().createIdentifierValue(CSSValueNormal), important);
|
| - addProperty(CSSPropertyFontVariant, cssValuePool().createIdentifierValue(CSSValueNormal), important);
|
| - addProperty(CSSPropertyLineHeight, cssValuePool().createIdentifierValue(CSSValueNormal), important);
|
| - return true;
|
| -}
|
| -
|
| -class FontFamilyValueBuilder {
|
| - STACK_ALLOCATED();
|
| -public:
|
| - FontFamilyValueBuilder(CSSValueList* list)
|
| - : m_list(list)
|
| - {
|
| - }
|
| -
|
| - void add(const CSSParserString& string)
|
| - {
|
| - if (!m_builder.isEmpty())
|
| - m_builder.append(' ');
|
| -
|
| - if (string.is8Bit()) {
|
| - m_builder.append(string.characters8(), string.length());
|
| - return;
|
| - }
|
| -
|
| - m_builder.append(string.characters16(), string.length());
|
| - }
|
| -
|
| - void commit()
|
| - {
|
| - if (m_builder.isEmpty())
|
| - return;
|
| - m_list->append(cssValuePool().createFontFamilyValue(m_builder.toString()));
|
| - m_builder.clear();
|
| - }
|
| -
|
| -private:
|
| - StringBuilder m_builder;
|
| - RawPtrWillBeMember<CSSValueList> m_list;
|
| -};
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValueList> CSSPropertyParser::parseFontFamily()
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
|
| - CSSParserValue* value = m_valueList->current();
|
| -
|
| - FontFamilyValueBuilder familyBuilder(list.get());
|
| - bool inFamily = false;
|
| -
|
| - while (value) {
|
| - CSSParserValue* nextValue = m_valueList->next();
|
| - bool nextValBreaksFont = !nextValue || isComma(nextValue);
|
| - bool nextValIsFontName = nextValue &&
|
| - ((nextValue->id >= CSSValueSerif && nextValue->id <= CSSValueWebkitBody) ||
|
| - (nextValue->unit() == CSSPrimitiveValue::UnitType::String || nextValue->m_unit == CSSParserValue::Identifier));
|
| -
|
| - if (isCSSWideKeyword(*value) && !inFamily) {
|
| - if (nextValBreaksFont)
|
| - return nullptr;
|
| - else if (nextValIsFontName)
|
| - value = nextValue;
|
| - continue;
|
| - }
|
| -
|
| - if (value->id >= CSSValueSerif && value->id <= CSSValueWebkitBody) {
|
| - if (inFamily)
|
| - familyBuilder.add(value->string);
|
| - else if (nextValBreaksFont || !nextValIsFontName)
|
| - list->append(cssValuePool().createIdentifierValue(value->id));
|
| - else {
|
| - familyBuilder.commit();
|
| - familyBuilder.add(value->string);
|
| - inFamily = true;
|
| - }
|
| - } else if (value->unit() == CSSPrimitiveValue::UnitType::String) {
|
| - // Strings never share in a family name.
|
| - inFamily = false;
|
| - familyBuilder.commit();
|
| - list->append(cssValuePool().createFontFamilyValue(value->string));
|
| - } else if (value->m_unit == CSSParserValue::Identifier) {
|
| - if (inFamily)
|
| - familyBuilder.add(value->string);
|
| - else if (nextValBreaksFont || !nextValIsFontName)
|
| - list->append(cssValuePool().createFontFamilyValue(value->string));
|
| - else {
|
| - familyBuilder.commit();
|
| - familyBuilder.add(value->string);
|
| - inFamily = true;
|
| - }
|
| - } else {
|
| - break;
|
| - }
|
| -
|
| - if (!nextValue)
|
| - break;
|
| -
|
| - if (nextValBreaksFont) {
|
| - value = m_valueList->next();
|
| - familyBuilder.commit();
|
| - inFamily = false;
|
| - }
|
| - else if (nextValIsFontName)
|
| - value = nextValue;
|
| - else
|
| - break;
|
| - }
|
| - familyBuilder.commit();
|
| - if (!list->length() || (m_ruleType == StyleRule::FontFace && list->length() > 1))
|
| - list = nullptr;
|
| - return list.release();
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::parseLineHeight()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - CSSValueID id = value->id;
|
| -
|
| - // normal | <number> | <length> | <percentage> | inherit
|
| - if (id == CSSValueNormal) {
|
| - m_valueList->next();
|
| - return cssValuePool().createIdentifierValue(id);
|
| - }
|
| -
|
| - if (!validUnit(value, FNumber | FLength | FPercent | FNonNeg))
|
| - return nullptr;
|
| - // The line-height property can accept both percents and numbers but additive opertaions are
|
| - // not permitted on them in calc() expressions.
|
| - if (m_parsedCalculation && m_parsedCalculation->category() == CalcPercentNumber) {
|
| - m_parsedCalculation.release();
|
| - return nullptr;
|
| - }
|
| - m_valueList->next();
|
| - return createPrimitiveNumericValue(value);
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseFontSize(bool important)
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - CSSValueID id = value->id;
|
| - bool validPrimitive = false;
|
| - // <absolute-size> | <relative-size> | <length> | <percentage> | inherit
|
| - if (id >= CSSValueXxSmall && id <= CSSValueLarger)
|
| - validPrimitive = true;
|
| - else
|
| - validPrimitive = validUnit(value, FLength | FPercent | FNonNeg | (inShorthand() ? FUnknown : FUnitlessQuirk));
|
| - if (validPrimitive && (!m_valueList->next() || inShorthand()))
|
| - addProperty(CSSPropertyFontSize, parseValidPrimitive(id, value), important);
|
| - return validPrimitive;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseFontVariant(bool important)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> values = nullptr;
|
| - if (m_valueList->size() > 1)
|
| - values = CSSValueList::createCommaSeparated();
|
| - bool expectComma = false;
|
| - for (CSSParserValue* val = m_valueList->current(); val; val = m_valueList->current()) {
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> parsedValue = nullptr;
|
| - if (!expectComma) {
|
| - expectComma = true;
|
| - if (val->id == CSSValueNormal || val->id == CSSValueSmallCaps)
|
| - parsedValue = cssValuePool().createIdentifierValue(val->id);
|
| - else if (val->id == CSSValueAll && !values) {
|
| - // FIXME: CSSPropertyParser::parseFontVariant() implements
|
| - // the old css3 draft:
|
| - // http://www.w3.org/TR/2002/WD-css3-webfonts-20020802/#font-variant
|
| - // 'all' is only allowed in @font-face and with no other values. Make a value list to
|
| - // indicate that we are in the @font-face case.
|
| - values = CSSValueList::createCommaSeparated();
|
| - parsedValue = cssValuePool().createIdentifierValue(val->id);
|
| - }
|
| - } else if (consumeComma(m_valueList)) {
|
| - expectComma = false;
|
| - continue;
|
| - }
|
| -
|
| - if (!parsedValue)
|
| - return false;
|
| -
|
| - m_valueList->next();
|
| -
|
| - if (values)
|
| - values->append(parsedValue.release());
|
| - else {
|
| - addProperty(CSSPropertyFontVariant, parsedValue.release(), important);
|
| - return true;
|
| - }
|
| - }
|
| -
|
| - if (values && values->length()) {
|
| - if (m_ruleType != StyleRule::FontFace)
|
| - return false;
|
| - addProperty(CSSPropertyFontVariant, values.release(), important);
|
| - return true;
|
| - }
|
| -
|
| - return false;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseFontWeight(bool important)
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (value->id >= CSSValueNormal && value->id <= CSSValueLighter) {
|
| - addProperty(CSSPropertyFontWeight, cssValuePool().createIdentifierValue(value->id), important);
|
| - return true;
|
| - }
|
| - if (value->unit() == CSSPrimitiveValue::UnitType::Number) {
|
| - int weight = static_cast<int>(value->fValue);
|
| - if (!(weight % 100) && weight >= 100 && weight <= 900) {
|
| - addProperty(CSSPropertyFontWeight, cssValuePool().createIdentifierValue(static_cast<CSSValueID>(CSSValue100 + weight / 100 - 1)), important);
|
| - return true;
|
| - }
|
| - }
|
| - return false;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseFontFaceSrcURI(CSSValueList* valueList)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSFontFaceSrcValue> uriValue(CSSFontFaceSrcValue::create(completeURL(m_valueList->current()->string), m_context.shouldCheckContentSecurityPolicy()));
|
| - uriValue->setReferrer(m_context.referrer());
|
| -
|
| - CSSParserValue* value = m_valueList->next();
|
| - if (!value || value->m_unit != CSSParserValue::Function || value->function->id != CSSValueFormat) {
|
| - valueList->append(uriValue.release());
|
| - return true;
|
| - }
|
| -
|
| - // FIXME: http://www.w3.org/TR/2011/WD-css3-fonts-20111004/ says that format() contains a comma-separated list of strings,
|
| - // but CSSFontFaceSrcValue stores only one format. Allowing one format for now.
|
| - CSSParserValueList* args = value->function->args.get();
|
| - if (!args || args->size() != 1 || (args->current()->unit() != CSSPrimitiveValue::UnitType::String && args->current()->m_unit != CSSParserValue::Identifier))
|
| - return false;
|
| - uriValue->setFormat(args->current()->string);
|
| - valueList->append(uriValue.release());
|
| - m_valueList->next();
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseFontFaceSrcLocal(CSSValueList* valueList)
|
| -{
|
| - CSSParserValueList* args = m_valueList->current()->function->args.get();
|
| - if (!args || !args->size())
|
| - return false;
|
| - m_valueList->next();
|
| -
|
| - ContentSecurityPolicyDisposition shouldCheckContentSecurityPolicy = m_context.shouldCheckContentSecurityPolicy();
|
| - if (args->size() == 1 && args->current()->unit() == CSSPrimitiveValue::UnitType::String) {
|
| - valueList->append(CSSFontFaceSrcValue::createLocal(args->current()->string, shouldCheckContentSecurityPolicy));
|
| - } else if (args->current()->m_unit == CSSParserValue::Identifier) {
|
| - StringBuilder builder;
|
| - for (CSSParserValue* localValue = args->current(); localValue; localValue = args->next()) {
|
| - if (localValue->m_unit != CSSParserValue::Identifier)
|
| - return false;
|
| - if (!builder.isEmpty())
|
| - builder.append(' ');
|
| - builder.append(localValue->string);
|
| - }
|
| - valueList->append(CSSFontFaceSrcValue::createLocal(builder.toString(), shouldCheckContentSecurityPolicy));
|
| - } else
|
| - return false;
|
| -
|
| - return true;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValueList> CSSPropertyParser::parseFontFaceSrc()
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> values(CSSValueList::createCommaSeparated());
|
| -
|
| - while (true) {
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (!value)
|
| - return nullptr;
|
| - if (value->unit() == CSSPrimitiveValue::UnitType::URI) {
|
| - if (!parseFontFaceSrcURI(values.get()))
|
| - return nullptr;
|
| - } else if (value->m_unit == CSSParserValue::Function && value->function->id == CSSValueLocal) {
|
| - if (!parseFontFaceSrcLocal(values.get()))
|
| - return nullptr;
|
| - } else {
|
| - return nullptr;
|
| - }
|
| -
|
| - if (!m_valueList->current())
|
| - return values.release();
|
| - if (!consumeComma(m_valueList))
|
| - return nullptr;
|
| - }
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValueList> CSSPropertyParser::parseFontFaceUnicodeRange()
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> values = CSSValueList::createCommaSeparated();
|
| -
|
| - do {
|
| - CSSParserValue* current = m_valueList->current();
|
| - if (!current || current->m_unit != CSSParserValue::UnicodeRange)
|
| - return nullptr;
|
| -
|
| - UChar32 start = current->m_unicodeRange.start;
|
| - UChar32 end = current->m_unicodeRange.end;
|
| - if (start > end)
|
| - return nullptr;
|
| - values->append(CSSUnicodeRangeValue::create(start, end));
|
| - m_valueList->next();
|
| - } while (consumeComma(m_valueList));
|
| -
|
| - return values.release();
|
| -}
|
| -
|
| -inline int CSSPropertyParser::colorIntFromValue(CSSParserValue* v)
|
| -{
|
| - bool isPercent;
|
| - double value;
|
| -
|
| - if (m_parsedCalculation) {
|
| - isPercent = m_parsedCalculation->category() == CalcPercent;
|
| - value = m_parsedCalculation->doubleValue();
|
| - m_parsedCalculation.release();
|
| - } else {
|
| - isPercent = v->unit() == CSSPrimitiveValue::UnitType::Percentage;
|
| - value = v->fValue;
|
| - }
|
| -
|
| - if (value <= 0.0)
|
| - return 0;
|
| -
|
| - if (isPercent) {
|
| - if (value >= 100.0)
|
| - return 255;
|
| - return static_cast<int>(value * 256.0 / 100.0);
|
| - }
|
| -
|
| - if (value >= 255.0)
|
| - return 255;
|
| -
|
| - return static_cast<int>(value);
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseColorParameters(const CSSParserValue* value, int* colorArray, bool parseAlpha)
|
| -{
|
| - CSSParserValueList* args = value->function->args.get();
|
| - CSSParserValue* v = args->current();
|
| - Units unitType = FUnknown;
|
| - // Get the first value and its type
|
| - if (validUnit(v, FInteger))
|
| - unitType = FInteger;
|
| - else if (validUnit(v, FPercent))
|
| - unitType = FPercent;
|
| - else
|
| - return false;
|
| -
|
| - colorArray[0] = colorIntFromValue(v);
|
| - for (int i = 1; i < 3; i++) {
|
| - args->next();
|
| - if (!consumeComma(args))
|
| - return false;
|
| - v = args->current();
|
| - if (!validUnit(v, unitType))
|
| - return false;
|
| - colorArray[i] = colorIntFromValue(v);
|
| - }
|
| - if (parseAlpha) {
|
| - args->next();
|
| - if (!consumeComma(args))
|
| - return false;
|
| - v = args->current();
|
| - if (!validUnit(v, FNumber))
|
| - return false;
|
| - // Convert the floating pointer number of alpha to an integer in the range [0, 256),
|
| - // with an equal distribution across all 256 values.
|
| - colorArray[3] = static_cast<int>(std::max(0.0, std::min(1.0, v->fValue)) * nextafter(256.0, 0.0));
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -// The CSS3 specification defines the format of a HSL color as
|
| -// hsl(<number>, <percent>, <percent>)
|
| -// and with alpha, the format is
|
| -// hsla(<number>, <percent>, <percent>, <number>)
|
| -// The first value, HUE, is in an angle with a value between 0 and 360
|
| -bool CSSPropertyParser::parseHSLParameters(const CSSParserValue* value, double* colorArray, bool parseAlpha)
|
| -{
|
| - CSSParserValueList* args = value->function->args.get();
|
| - CSSParserValue* v = args->current();
|
| - // Get the first value
|
| - if (!validUnit(v, FNumber))
|
| - return false;
|
| - // normalize the Hue value and change it to be between 0 and 1.0
|
| - colorArray[0] = (((static_cast<int>(v->fValue) % 360) + 360) % 360) / 360.0;
|
| - for (int i = 1; i < 3; i++) {
|
| - args->next();
|
| - if (!consumeComma(args))
|
| - return false;
|
| - v = args->current();
|
| - if (!validUnit(v, FPercent))
|
| - return false;
|
| - double percentValue = m_parsedCalculation ? m_parsedCalculation.release()->doubleValue() : v->fValue;
|
| - colorArray[i] = std::max(0.0, std::min(100.0, percentValue)) / 100.0; // needs to be value between 0 and 1.0
|
| - }
|
| - if (parseAlpha) {
|
| - args->next();
|
| - if (!consumeComma(args))
|
| - return false;
|
| - v = args->current();
|
| - if (!validUnit(v, FNumber))
|
| - return false;
|
| - colorArray[3] = std::max(0.0, std::min(1.0, v->fValue));
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseColorFromValue(const CSSParserValue* value, RGBA32& result, bool acceptQuirkyColors)
|
| -{
|
| - if (acceptQuirkyColors && value->unit() == CSSPrimitiveValue::UnitType::Number
|
| - && value->fValue >= 0. && value->fValue < 1000000. && value->isInt) {
|
| - String str = String::format("%06d", static_cast<int>(value->fValue));
|
| - return Color::parseHexColor(str, result);
|
| - }
|
| - if (acceptQuirkyColors && value->m_unit == CSSParserValue::DimensionList) {
|
| - CSSParserValue* numberToken = value->valueList->valueAt(0);
|
| - CSSParserValue* unitToken = value->valueList->valueAt(1);
|
| - ASSERT(numberToken->unit() == CSSPrimitiveValue::UnitType::Number);
|
| - ASSERT(unitToken->m_unit == CSSParserValue::Identifier);
|
| - if (!numberToken->isInt || numberToken->fValue < 0)
|
| - return false;
|
| - String color = String::number(numberToken->fValue) + String(unitToken->string);
|
| - if (color.length() > 6)
|
| - return false;
|
| - while (color.length() < 6)
|
| - color = "0" + color;
|
| - return Color::parseHexColor(color, result);
|
| - }
|
| - if (value->m_unit == CSSParserValue::Identifier) {
|
| - Color color;
|
| - if (!color.setNamedColor(value->string))
|
| - return acceptQuirkyColors && Color::parseHexColor(value->string, result);
|
| - result = color.rgb();
|
| - return true;
|
| - }
|
| - if (value->m_unit == CSSParserValue::HexColor) {
|
| - if (value->string.is8Bit())
|
| - return Color::parseHexColor(value->string.characters8(), value->string.length(), result);
|
| - return Color::parseHexColor(value->string.characters16(), value->string.length(), result);
|
| - }
|
| -
|
| - if (value->m_unit == CSSParserValue::Function
|
| - && value->function->args != 0
|
| - && value->function->args->size() == 5 /* rgb + two commas */
|
| - && value->function->id == CSSValueRgb) {
|
| - int colorValues[3];
|
| - if (!parseColorParameters(value, colorValues, false))
|
| - return false;
|
| - result = makeRGB(colorValues[0], colorValues[1], colorValues[2]);
|
| - } else {
|
| - if (value->m_unit == CSSParserValue::Function
|
| - && value->function->args != 0
|
| - && value->function->args->size() == 7 /* rgba + three commas */
|
| - && value->function->id == CSSValueRgba) {
|
| - int colorValues[4];
|
| - if (!parseColorParameters(value, colorValues, true))
|
| - return false;
|
| - result = makeRGBA(colorValues[0], colorValues[1], colorValues[2], colorValues[3]);
|
| - } else if (value->m_unit == CSSParserValue::Function
|
| - && value->function->args != 0
|
| - && value->function->args->size() == 5 /* hsl + two commas */
|
| - && value->function->id == CSSValueHsl) {
|
| - double colorValues[3];
|
| - if (!parseHSLParameters(value, colorValues, false))
|
| - return false;
|
| - result = makeRGBAFromHSLA(colorValues[0], colorValues[1], colorValues[2], 1.0);
|
| - } else if (value->m_unit == CSSParserValue::Function
|
| - && value->function->args != 0
|
| - && value->function->args->size() == 7 /* hsla + three commas */
|
| - && value->function->id == CSSValueHsla) {
|
| - double colorValues[4];
|
| - if (!parseHSLParameters(value, colorValues, true))
|
| - return false;
|
| - result = makeRGBAFromHSLA(colorValues[0], colorValues[1], colorValues[2], colorValues[3]);
|
| - } else {
|
| - return false;
|
| - }
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValueList> CSSPropertyParser::parseShadow(CSSParserValueList* valueList, CSSPropertyID propID)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> shadowValueList = CSSValueList::createCommaSeparated();
|
| - const bool isBoxShadowProperty = propID == CSSPropertyBoxShadow;
|
| - while (RefPtrWillBeRawPtr<CSSShadowValue> shadowValue = parseSingleShadow(valueList, isBoxShadowProperty, isBoxShadowProperty)) {
|
| - shadowValueList->append(shadowValue);
|
| - if (!valueList->current())
|
| - break;
|
| - if (!consumeComma(valueList))
|
| - return nullptr;
|
| - }
|
| - if (shadowValueList->length() == 0)
|
| - return nullptr;
|
| - return shadowValueList;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSShadowValue> CSSPropertyParser::parseSingleShadow(CSSParserValueList* valueList, bool allowInset, bool allowSpread)
|
| -{
|
| - RefPtrWillBeMember<CSSPrimitiveValue> style;
|
| - RefPtrWillBeMember<CSSPrimitiveValue> color;
|
| - Vector<RefPtrWillBeRawPtr<CSSPrimitiveValue>, 4> lengths;
|
| -
|
| - CSSParserValue* val = valueList->current();
|
| - if (!val)
|
| - return nullptr;
|
| - if (val->id == CSSValueInset) {
|
| - if (!allowInset)
|
| - return nullptr;
|
| - style = cssValuePool().createIdentifierValue(val->id);
|
| - val = valueList->next();
|
| - if (!val)
|
| - return nullptr;
|
| - }
|
| - if ((color = parseColor(val)))
|
| - val = valueList->next();
|
| -
|
| - if (!val || !validUnit(val, FLength, HTMLStandardMode))
|
| - return nullptr;
|
| - lengths.append(createPrimitiveNumericValue(val));
|
| - val = valueList->next();
|
| -
|
| - if (!val || !validUnit(val, FLength, HTMLStandardMode))
|
| - return nullptr;
|
| - lengths.append(createPrimitiveNumericValue(val));
|
| - val = valueList->next();
|
| -
|
| - if (val && validUnit(val, FLength, HTMLStandardMode)) {
|
| - // Blur radius must be non-negative.
|
| - if (m_parsedCalculation ? m_parsedCalculation->isNegative() : !validUnit(val, FLength | FNonNeg, HTMLStandardMode)) {
|
| - m_parsedCalculation.release();
|
| - return nullptr;
|
| - }
|
| - lengths.append(createPrimitiveNumericValue(val));
|
| - val = valueList->next();
|
| - if (val && validUnit(val, FLength, HTMLStandardMode)) {
|
| - if (!allowSpread)
|
| - return nullptr;
|
| - lengths.append(createPrimitiveNumericValue(val));
|
| - val = valueList->next();
|
| - }
|
| - }
|
| -
|
| - if (val) {
|
| - if (RefPtrWillBeMember<CSSPrimitiveValue> colorValue = parseColor(val)) {
|
| - if (color)
|
| - return nullptr;
|
| - color = colorValue;
|
| - val = valueList->next();
|
| - }
|
| - if (val && val->id == CSSValueInset) {
|
| - if (!allowInset || style)
|
| - return nullptr;
|
| - style = cssValuePool().createIdentifierValue(val->id);
|
| - val = valueList->next();
|
| - }
|
| - }
|
| - unsigned lengthsSeen = lengths.size();
|
| - return CSSShadowValue::create(lengths.at(0), lengths.at(1),
|
| - lengthsSeen > 2 ? lengths.at(2) : nullptr,
|
| - lengthsSeen > 3 ? lengths.at(3) : nullptr,
|
| - style.release(), color.release());
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseReflect()
|
| -{
|
| - // box-reflect: <direction> <offset> <mask>
|
| -
|
| - // Direction comes first.
|
| - CSSParserValue* val = m_valueList->current();
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> direction = nullptr;
|
| - switch (val->id) {
|
| - case CSSValueAbove:
|
| - case CSSValueBelow:
|
| - case CSSValueLeft:
|
| - case CSSValueRight:
|
| - direction = cssValuePool().createIdentifierValue(val->id);
|
| - break;
|
| - default:
|
| - return nullptr;
|
| - }
|
| -
|
| - // The offset comes next.
|
| - val = m_valueList->next();
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> offset = nullptr;
|
| - if (!val)
|
| - offset = cssValuePool().createValue(0, CSSPrimitiveValue::UnitType::Pixels);
|
| - else {
|
| - if (!validUnit(val, FLength | FPercent))
|
| - return nullptr;
|
| - offset = createPrimitiveNumericValue(val);
|
| - }
|
| -
|
| - // Now for the mask.
|
| - RefPtrWillBeRawPtr<CSSValue> mask = nullptr;
|
| - val = m_valueList->next();
|
| - if (val) {
|
| - mask = parseBorderImage(CSSPropertyWebkitBoxReflect);
|
| - if (!mask)
|
| - return nullptr;
|
| - }
|
| -
|
| - return CSSReflectValue::create(direction.release(), offset.release(), mask.release());
|
| -}
|
| -
|
| -static bool isFlexBasisMiddleArg(double flexGrow, double flexShrink, double unsetValue, int argSize)
|
| -{
|
| - return flexGrow != unsetValue && flexShrink == unsetValue && argSize == 3;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseFlex(CSSParserValueList* args, bool important)
|
| -{
|
| - if (!args || !args->size() || args->size() > 3)
|
| - return false;
|
| - static const double unsetValue = -1;
|
| - double flexGrow = unsetValue;
|
| - double flexShrink = unsetValue;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> flexBasis = nullptr;
|
| -
|
| - while (CSSParserValue* arg = args->current()) {
|
| - if (validUnit(arg, FNumber | FNonNeg)) {
|
| - if (flexGrow == unsetValue)
|
| - flexGrow = arg->fValue;
|
| - else if (flexShrink == unsetValue)
|
| - flexShrink = arg->fValue;
|
| - else if (!arg->fValue) {
|
| - // flex only allows a basis of 0 (sans units) if flex-grow and flex-shrink values have already been set.
|
| - flexBasis = cssValuePool().createValue(0, CSSPrimitiveValue::UnitType::Pixels);
|
| - } else {
|
| - // We only allow 3 numbers without units if the last value is 0. E.g., flex:1 1 1 is invalid.
|
| - return false;
|
| - }
|
| - } else if (!flexBasis && (arg->id == CSSValueAuto || validUnit(arg, FLength | FPercent | FNonNeg)) && !isFlexBasisMiddleArg(flexGrow, flexShrink, unsetValue, args->size()))
|
| - flexBasis = parseValidPrimitive(arg->id, arg);
|
| - else {
|
| - // Not a valid arg for flex.
|
| - return false;
|
| - }
|
| - args->next();
|
| - }
|
| -
|
| - if (flexGrow == unsetValue)
|
| - flexGrow = 1;
|
| - if (flexShrink == unsetValue)
|
| - flexShrink = 1;
|
| - if (!flexBasis)
|
| - flexBasis = cssValuePool().createValue(0, CSSPrimitiveValue::UnitType::Percentage);
|
| -
|
| - addProperty(CSSPropertyFlexGrow, cssValuePool().createValue(clampTo<float>(flexGrow), CSSPrimitiveValue::UnitType::Number), important);
|
| - addProperty(CSSPropertyFlexShrink, cssValuePool().createValue(clampTo<float>(flexShrink), CSSPrimitiveValue::UnitType::Number), important);
|
| - addProperty(CSSPropertyFlexBasis, flexBasis, important);
|
| - return true;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parsePosition(CSSParserValueList* valueList)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValue> xValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> yValue = nullptr;
|
| - parseFillPosition(valueList, xValue, yValue);
|
| - if (!xValue || !yValue)
|
| - return nullptr;
|
| - return CSSValuePair::create(xValue.release(), yValue.release(), CSSValuePair::KeepIdenticalValues);
|
| -}
|
| -
|
| -// Parses a list of comma separated positions. i.e., <position>#
|
| -PassRefPtrWillBeRawPtr<CSSValueList> CSSPropertyParser::parsePositionList(CSSParserValueList* valueList)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> positions = CSSValueList::createCommaSeparated();
|
| - while (true) {
|
| - // parsePosition consumes values until it reaches a separator [,/],
|
| - // an invalid token, or end of the list
|
| - RefPtrWillBeRawPtr<CSSValue> position = parsePosition(valueList);
|
| - if (!position)
|
| - return nullptr;
|
| - positions->append(position);
|
| -
|
| - if (!valueList->current())
|
| - break;
|
| - if (!consumeComma(valueList) || !valueList->current())
|
| - return nullptr;
|
| - }
|
| -
|
| - return positions.release();
|
| -}
|
| -
|
| -class BorderImageParseContext {
|
| - STACK_ALLOCATED();
|
| -public:
|
| - BorderImageParseContext()
|
| - : m_canAdvance(false)
|
| - , m_allowCommit(true)
|
| - , m_allowImage(true)
|
| - , m_allowImageSlice(true)
|
| - , m_allowRepeat(true)
|
| - , m_allowForwardSlashOperator(false)
|
| - , m_allowWidth(false)
|
| - , m_requireOutset(false)
|
| - {}
|
| -
|
| - bool canAdvance() const { return m_canAdvance; }
|
| - void setCanAdvance(bool canAdvance) { m_canAdvance = canAdvance; }
|
| -
|
| - bool allowCommit() const { return m_allowCommit; }
|
| - bool allowImage() const { return m_allowImage; }
|
| - bool allowImageSlice() const { return m_allowImageSlice; }
|
| - bool allowRepeat() const { return m_allowRepeat; }
|
| - bool allowForwardSlashOperator() const { return m_allowForwardSlashOperator; }
|
| -
|
| - bool allowWidth() const { return m_allowWidth; }
|
| - bool requireOutset() const { return m_requireOutset; }
|
| -
|
| - void commitImage(PassRefPtrWillBeRawPtr<CSSValue> image)
|
| - {
|
| - m_image = image;
|
| - m_canAdvance = true;
|
| - m_allowCommit = true;
|
| - m_allowImage = false;
|
| - m_allowForwardSlashOperator = false;
|
| - m_allowWidth = false;
|
| - m_requireOutset = false;
|
| - m_allowImageSlice = !m_imageSlice;
|
| - m_allowRepeat = !m_repeat;
|
| - }
|
| - void commitImageSlice(PassRefPtrWillBeRawPtr<CSSBorderImageSliceValue> slice)
|
| - {
|
| - m_imageSlice = slice;
|
| - m_canAdvance = true;
|
| - m_allowCommit = true;
|
| - m_allowForwardSlashOperator = true;
|
| - m_allowImageSlice = false;
|
| - m_allowWidth = false;
|
| - m_requireOutset = false;
|
| - m_allowImage = !m_image;
|
| - m_allowRepeat = !m_repeat;
|
| - }
|
| - void commitForwardSlashOperator()
|
| - {
|
| - m_canAdvance = true;
|
| - m_allowCommit = false;
|
| - m_allowImage = false;
|
| - m_allowImageSlice = false;
|
| - m_allowRepeat = false;
|
| - if (!m_borderWidth && !m_allowWidth) {
|
| - m_allowForwardSlashOperator = true;
|
| - m_allowWidth = true;
|
| - m_requireOutset = false;
|
| - } else {
|
| - m_allowForwardSlashOperator = false;
|
| - m_requireOutset = true;
|
| - m_allowWidth = false;
|
| - }
|
| - }
|
| - void commitBorderWidth(PassRefPtrWillBeRawPtr<CSSQuadValue> width)
|
| - {
|
| - m_borderWidth = width;
|
| - m_canAdvance = true;
|
| - m_allowCommit = true;
|
| - m_allowForwardSlashOperator = true;
|
| - m_allowImageSlice = false;
|
| - m_allowWidth = false;
|
| - m_requireOutset = false;
|
| - m_allowImage = !m_image;
|
| - m_allowRepeat = !m_repeat;
|
| - }
|
| - void commitBorderOutset(PassRefPtrWillBeRawPtr<CSSQuadValue> outset)
|
| - {
|
| - m_outset = outset;
|
| - m_canAdvance = true;
|
| - m_allowCommit = true;
|
| - m_allowImageSlice = false;
|
| - m_allowForwardSlashOperator = false;
|
| - m_allowWidth = false;
|
| - m_requireOutset = false;
|
| - m_allowImage = !m_image;
|
| - m_allowRepeat = !m_repeat;
|
| - }
|
| - void commitRepeat(PassRefPtrWillBeRawPtr<CSSValue> repeat)
|
| - {
|
| - m_repeat = repeat;
|
| - m_canAdvance = true;
|
| - m_allowCommit = true;
|
| - m_allowRepeat = false;
|
| - m_allowForwardSlashOperator = false;
|
| - m_allowWidth = false;
|
| - m_requireOutset = false;
|
| - m_allowImageSlice = !m_imageSlice;
|
| - m_allowImage = !m_image;
|
| - }
|
| -
|
| - PassRefPtrWillBeRawPtr<CSSValue> commitCSSValue()
|
| - {
|
| - return createBorderImageValue(m_image, m_imageSlice.get(), m_borderWidth.get(), m_outset.get(), m_repeat.get());
|
| - }
|
| -
|
| - bool m_canAdvance;
|
| -
|
| - bool m_allowCommit;
|
| - bool m_allowImage;
|
| - bool m_allowImageSlice;
|
| - bool m_allowRepeat;
|
| - bool m_allowForwardSlashOperator;
|
| -
|
| - bool m_allowWidth;
|
| - bool m_requireOutset;
|
| -
|
| - RefPtrWillBeMember<CSSValue> m_image;
|
| - RefPtrWillBeMember<CSSBorderImageSliceValue> m_imageSlice;
|
| - RefPtrWillBeMember<CSSQuadValue> m_borderWidth;
|
| - RefPtrWillBeMember<CSSQuadValue> m_outset;
|
| -
|
| - RefPtrWillBeMember<CSSValue> m_repeat;
|
| -};
|
| -
|
| -bool CSSPropertyParser::buildBorderImageParseContext(CSSPropertyID propId, BorderImageParseContext& context)
|
| -{
|
| - CSSPropertyParser::ShorthandScope scope(this, propId);
|
| - while (CSSParserValue* val = m_valueList->current()) {
|
| - context.setCanAdvance(false);
|
| -
|
| - if (!context.canAdvance() && context.allowForwardSlashOperator() && isForwardSlashOperator(val))
|
| - context.commitForwardSlashOperator();
|
| -
|
| - if (!context.canAdvance() && context.allowImage()) {
|
| - if (val->unit() == CSSPrimitiveValue::UnitType::URI) {
|
| - context.commitImage(createCSSImageValueWithReferrer(val->string, m_context.completeURL(val->string)));
|
| - } else if (isGeneratedImageValue(val)) {
|
| - RefPtrWillBeRawPtr<CSSValue> value = nullptr;
|
| - if (parseGeneratedImage(m_valueList, value))
|
| - context.commitImage(value.release());
|
| - else
|
| - return false;
|
| - } else if (val->m_unit == CSSParserValue::Function && val->function->id == CSSValueWebkitImageSet) {
|
| - RefPtrWillBeRawPtr<CSSValue> value = parseImageSet(m_valueList);
|
| - if (value)
|
| - context.commitImage(value.release());
|
| - else
|
| - return false;
|
| - } else if (val->id == CSSValueNone)
|
| - context.commitImage(cssValuePool().createIdentifierValue(CSSValueNone));
|
| - }
|
| -
|
| - if (!context.canAdvance() && context.allowImageSlice()) {
|
| - RefPtrWillBeRawPtr<CSSBorderImageSliceValue> imageSlice = nullptr;
|
| - if (parseBorderImageSlice(propId, imageSlice))
|
| - context.commitImageSlice(imageSlice.release());
|
| - }
|
| -
|
| - if (!context.canAdvance() && context.allowRepeat()) {
|
| - RefPtrWillBeRawPtr<CSSValue> repeat = nullptr;
|
| - if (parseBorderImageRepeat(repeat))
|
| - context.commitRepeat(repeat.release());
|
| - }
|
| -
|
| - if (!context.canAdvance() && context.allowWidth()) {
|
| - RefPtrWillBeRawPtr<CSSQuadValue> borderWidth = nullptr;
|
| - if (parseBorderImageWidth(borderWidth))
|
| - context.commitBorderWidth(borderWidth.release());
|
| - }
|
| -
|
| - if (!context.canAdvance() && context.requireOutset()) {
|
| - RefPtrWillBeRawPtr<CSSQuadValue> borderOutset = nullptr;
|
| - if (parseBorderImageOutset(borderOutset))
|
| - context.commitBorderOutset(borderOutset.release());
|
| - }
|
| -
|
| - if (!context.canAdvance())
|
| - return false;
|
| -
|
| - m_valueList->next();
|
| - }
|
| -
|
| - return context.allowCommit();
|
| -}
|
| -
|
| -void CSSPropertyParser::commitBorderImageProperty(CSSPropertyID propId, PassRefPtrWillBeRawPtr<CSSValue> value, bool important)
|
| -{
|
| - if (value)
|
| - addProperty(propId, value, important);
|
| - else
|
| - addProperty(propId, cssValuePool().createImplicitInitialValue(), important, true);
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseBorderImageShorthand(CSSPropertyID propId, bool important)
|
| -{
|
| - BorderImageParseContext context;
|
| - if (buildBorderImageParseContext(propId, context)) {
|
| - switch (propId) {
|
| - case CSSPropertyWebkitMaskBoxImage:
|
| - commitBorderImageProperty(CSSPropertyWebkitMaskBoxImageSource, context.m_image, important);
|
| - commitBorderImageProperty(CSSPropertyWebkitMaskBoxImageSlice, context.m_imageSlice.get(), important);
|
| - commitBorderImageProperty(CSSPropertyWebkitMaskBoxImageWidth, context.m_borderWidth.get(), important);
|
| - commitBorderImageProperty(CSSPropertyWebkitMaskBoxImageOutset, context.m_outset.get(), important);
|
| - commitBorderImageProperty(CSSPropertyWebkitMaskBoxImageRepeat, context.m_repeat.get(), important);
|
| - return true;
|
| - case CSSPropertyBorderImage:
|
| - commitBorderImageProperty(CSSPropertyBorderImageSource, context.m_image, important);
|
| - commitBorderImageProperty(CSSPropertyBorderImageSlice, context.m_imageSlice.get(), important);
|
| - commitBorderImageProperty(CSSPropertyBorderImageWidth, context.m_borderWidth.get(), important);
|
| - commitBorderImageProperty(CSSPropertyBorderImageOutset, context.m_outset.get(), important);
|
| - commitBorderImageProperty(CSSPropertyBorderImageRepeat, context.m_repeat, important);
|
| - return true;
|
| - default:
|
| - ASSERT_NOT_REACHED();
|
| - return false;
|
| - }
|
| - }
|
| - return false;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseBorderImage(CSSPropertyID propId)
|
| -{
|
| - BorderImageParseContext context;
|
| - if (buildBorderImageParseContext(propId, context)) {
|
| - return context.commitCSSValue();
|
| - }
|
| - return nullptr;
|
| -}
|
| -
|
| -static bool isBorderImageRepeatKeyword(int id)
|
| -{
|
| - return id == CSSValueStretch || id == CSSValueRepeat || id == CSSValueSpace || id == CSSValueRound;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseBorderImageRepeat(RefPtrWillBeRawPtr<CSSValue>& result)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> firstValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> secondValue = nullptr;
|
| - CSSParserValue* val = m_valueList->current();
|
| - if (!val)
|
| - return false;
|
| - if (isBorderImageRepeatKeyword(val->id))
|
| - firstValue = cssValuePool().createIdentifierValue(val->id);
|
| - else
|
| - return false;
|
| -
|
| - val = m_valueList->next();
|
| - if (val) {
|
| - if (isBorderImageRepeatKeyword(val->id))
|
| - secondValue = cssValuePool().createIdentifierValue(val->id);
|
| - else if (!inShorthand()) {
|
| - // If we're not parsing a shorthand then we are invalid.
|
| - return false;
|
| - } else {
|
| - // We need to rewind the value list, so that when its advanced we'll
|
| - // end up back at this value.
|
| - m_valueList->previous();
|
| - secondValue = firstValue;
|
| - }
|
| - } else
|
| - secondValue = firstValue;
|
| -
|
| - result = CSSValuePair::create(firstValue, secondValue, CSSValuePair::DropIdenticalValues);
|
| - return true;
|
| -}
|
| -
|
| -class BorderImageSliceParseContext {
|
| - STACK_ALLOCATED();
|
| -public:
|
| - BorderImageSliceParseContext()
|
| - : m_allowNumber(true)
|
| - , m_allowFill(true)
|
| - , m_allowFinalCommit(false)
|
| - , m_fill(false)
|
| - { }
|
| -
|
| - bool allowNumber() const { return m_allowNumber; }
|
| - bool allowFill() const { return m_allowFill; }
|
| - bool allowFinalCommit() const { return m_allowFinalCommit; }
|
| - CSSPrimitiveValue* top() const { return m_top.get(); }
|
| -
|
| - void commitNumber(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> val)
|
| - {
|
| - if (!m_top)
|
| - m_top = val;
|
| - else if (!m_right)
|
| - m_right = val;
|
| - else if (!m_bottom)
|
| - m_bottom = val;
|
| - else {
|
| - ASSERT(!m_left);
|
| - m_left = val;
|
| - }
|
| -
|
| - m_allowNumber = !m_left;
|
| - m_allowFinalCommit = true;
|
| - }
|
| -
|
| - void commitFill() { m_fill = true; m_allowFill = false; m_allowNumber = !m_top; }
|
| -
|
| - PassRefPtrWillBeRawPtr<CSSBorderImageSliceValue> commitBorderImageSlice()
|
| - {
|
| - // We need to clone and repeat values for any omissions.
|
| - ASSERT(m_top);
|
| - if (!m_right) {
|
| - m_right = m_top;
|
| - m_bottom = m_top;
|
| - m_left = m_top;
|
| - }
|
| - if (!m_bottom) {
|
| - m_bottom = m_top;
|
| - m_left = m_right;
|
| - }
|
| - if (!m_left)
|
| - m_left = m_right;
|
| -
|
| - return CSSBorderImageSliceValue::create(CSSQuadValue::create(m_top.release(), m_right.release(), m_bottom.release(), m_left.release(), CSSQuadValue::SerializeAsQuad), m_fill);
|
| - }
|
| -
|
| -private:
|
| - bool m_allowNumber;
|
| - bool m_allowFill;
|
| - bool m_allowFinalCommit;
|
| -
|
| - RefPtrWillBeMember<CSSPrimitiveValue> m_top;
|
| - RefPtrWillBeMember<CSSPrimitiveValue> m_right;
|
| - RefPtrWillBeMember<CSSPrimitiveValue> m_bottom;
|
| - RefPtrWillBeMember<CSSPrimitiveValue> m_left;
|
| -
|
| - bool m_fill;
|
| -};
|
| -
|
| -bool CSSPropertyParser::parseBorderImageSlice(CSSPropertyID propId, RefPtrWillBeRawPtr<CSSBorderImageSliceValue>& result)
|
| -{
|
| - BorderImageSliceParseContext context;
|
| - for (CSSParserValue* val = m_valueList->current(); val; val = m_valueList->next()) {
|
| - // FIXME calc() http://webkit.org/b/16662 : calc is parsed but values are not created yet.
|
| - if (context.allowNumber() && !isCalculation(val) && validUnit(val, FInteger | FNonNeg | FPercent)) {
|
| - context.commitNumber(createPrimitiveNumericValue(val));
|
| - } else if (context.allowFill() && val->id == CSSValueFill) {
|
| - context.commitFill();
|
| - } else if (!inShorthand()) {
|
| - // If we're not parsing a shorthand then we are invalid.
|
| - return false;
|
| - } else {
|
| - if (context.allowFinalCommit()) {
|
| - // We're going to successfully parse, but we don't want to consume this token.
|
| - m_valueList->previous();
|
| - }
|
| - break;
|
| - }
|
| - }
|
| -
|
| - if (context.allowFinalCommit()) {
|
| - // FIXME: For backwards compatibility, -webkit-border-image, -webkit-mask-box-image and -webkit-box-reflect have to do a fill by default.
|
| - // FIXME: What do we do with -webkit-box-reflect and -webkit-mask-box-image? Probably just have to leave them filling...
|
| - if (propId == CSSPropertyWebkitBorderImage || propId == CSSPropertyWebkitMaskBoxImage || propId == CSSPropertyWebkitBoxReflect)
|
| - context.commitFill();
|
| -
|
| - // Need to fully commit as a single value.
|
| - result = context.commitBorderImageSlice();
|
| - return true;
|
| - }
|
| -
|
| - return false;
|
| -}
|
| -
|
| -class BorderImageQuadParseContext {
|
| - STACK_ALLOCATED();
|
| -public:
|
| - BorderImageQuadParseContext()
|
| - : m_allowNumber(true)
|
| - , m_allowFinalCommit(false)
|
| - { }
|
| -
|
| - bool allowNumber() const { return m_allowNumber; }
|
| - bool allowFinalCommit() const { return m_allowFinalCommit; }
|
| - CSSPrimitiveValue* top() const { return m_top.get(); }
|
| -
|
| - void commitNumber(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> val)
|
| - {
|
| - if (!m_top)
|
| - m_top = val;
|
| - else if (!m_right)
|
| - m_right = val;
|
| - else if (!m_bottom)
|
| - m_bottom = val;
|
| - else {
|
| - ASSERT(!m_left);
|
| - m_left = val;
|
| - }
|
| -
|
| - m_allowNumber = !m_left;
|
| - m_allowFinalCommit = true;
|
| - }
|
| -
|
| - void setTop(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> val) { m_top = val; }
|
| -
|
| - PassRefPtrWillBeRawPtr<CSSQuadValue> commitBorderImageQuad()
|
| - {
|
| - // We need to clone and repeat values for any omissions.
|
| - ASSERT(m_top);
|
| - if (!m_right) {
|
| - m_right = m_top;
|
| - m_bottom = m_top;
|
| - m_left = m_top;
|
| - }
|
| - if (!m_bottom) {
|
| - m_bottom = m_top;
|
| - m_left = m_right;
|
| - }
|
| - if (!m_left)
|
| - m_left = m_right;
|
| -
|
| - return CSSQuadValue::create(m_top.release(), m_right.release(), m_bottom.release(), m_left.release(), CSSQuadValue::SerializeAsQuad);
|
| - }
|
| -
|
| -private:
|
| - bool m_allowNumber;
|
| - bool m_allowFinalCommit;
|
| -
|
| - RefPtrWillBeMember<CSSPrimitiveValue> m_top;
|
| - RefPtrWillBeMember<CSSPrimitiveValue> m_right;
|
| - RefPtrWillBeMember<CSSPrimitiveValue> m_bottom;
|
| - RefPtrWillBeMember<CSSPrimitiveValue> m_left;
|
| -};
|
| -
|
| -bool CSSPropertyParser::parseBorderImageQuad(Units validUnits, RefPtrWillBeRawPtr<CSSQuadValue>& result)
|
| -{
|
| - BorderImageQuadParseContext context;
|
| - for (CSSParserValue* val = m_valueList->current(); val; val = m_valueList->next()) {
|
| - if (context.allowNumber() && (validUnit(val, validUnits, HTMLStandardMode) || val->id == CSSValueAuto)) {
|
| - if (val->id == CSSValueAuto)
|
| - context.commitNumber(cssValuePool().createIdentifierValue(val->id));
|
| - else
|
| - context.commitNumber(createPrimitiveNumericValue(val));
|
| - } else if (!inShorthand()) {
|
| - // If we're not parsing a shorthand then we are invalid.
|
| - return false;
|
| - } else {
|
| - if (context.allowFinalCommit())
|
| - m_valueList->previous(); // The shorthand loop will advance back to this point.
|
| - break;
|
| - }
|
| - }
|
| -
|
| - if (context.allowFinalCommit()) {
|
| - // Need to fully commit as a single value.
|
| - result = context.commitBorderImageQuad();
|
| - return true;
|
| - }
|
| - return false;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseBorderImageWidth(RefPtrWillBeRawPtr<CSSQuadValue>& result)
|
| -{
|
| - return parseBorderImageQuad(FLength | FNumber | FNonNeg | FPercent, result);
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseBorderImageOutset(RefPtrWillBeRawPtr<CSSQuadValue>& result)
|
| -{
|
| - return parseBorderImageQuad(FLength | FNumber | FNonNeg, result);
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseBorderRadius(CSSPropertyID unresolvedProperty, bool important)
|
| -{
|
| - unsigned num = m_valueList->size();
|
| - if (num > 9)
|
| - return false;
|
| -
|
| - ShorthandScope scope(this, unresolvedProperty);
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> radii[2][4];
|
| -#if ENABLE(OILPAN)
|
| - // Zero initialize the array of raw pointers.
|
| - memset(&radii, 0, sizeof(radii));
|
| -#endif
|
| -
|
| - unsigned indexAfterSlash = 0;
|
| - for (unsigned i = 0; i < num; ++i) {
|
| - CSSParserValue* value = m_valueList->valueAt(i);
|
| - if (value->m_unit == CSSParserValue::Operator) {
|
| - if (value->iValue != '/')
|
| - return false;
|
| -
|
| - if (!i || indexAfterSlash || i + 1 == num || num > i + 5)
|
| - return false;
|
| -
|
| - indexAfterSlash = i + 1;
|
| - completeBorderRadii(radii[0]);
|
| - continue;
|
| - }
|
| -
|
| - if (i - indexAfterSlash >= 4)
|
| - return false;
|
| -
|
| - if (!validUnit(value, FLength | FPercent | FNonNeg))
|
| - return false;
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> radius = createPrimitiveNumericValue(value);
|
| -
|
| - if (!indexAfterSlash) {
|
| - radii[0][i] = radius;
|
| -
|
| - // Legacy syntax: -webkit-border-radius: l1 l2; is equivalent to border-radius: l1 / l2;
|
| - if (num == 2 && unresolvedProperty == CSSPropertyAliasWebkitBorderRadius) {
|
| - indexAfterSlash = 1;
|
| - completeBorderRadii(radii[0]);
|
| - }
|
| - } else
|
| - radii[1][i - indexAfterSlash] = radius.release();
|
| - }
|
| -
|
| - if (!indexAfterSlash) {
|
| - completeBorderRadii(radii[0]);
|
| - for (unsigned i = 0; i < 4; ++i)
|
| - radii[1][i] = radii[0][i];
|
| - } else
|
| - completeBorderRadii(radii[1]);
|
| -
|
| - ImplicitScope implicitScope(this);
|
| - addProperty(CSSPropertyBorderTopLeftRadius, CSSValuePair::create(radii[0][0].release(), radii[1][0].release(), CSSValuePair::DropIdenticalValues), important);
|
| - addProperty(CSSPropertyBorderTopRightRadius, CSSValuePair::create(radii[0][1].release(), radii[1][1].release(), CSSValuePair::DropIdenticalValues), important);
|
| - addProperty(CSSPropertyBorderBottomRightRadius, CSSValuePair::create(radii[0][2].release(), radii[1][2].release(), CSSValuePair::DropIdenticalValues), important);
|
| - addProperty(CSSPropertyBorderBottomLeftRadius, CSSValuePair::create(radii[0][3].release(), radii[1][3].release(), CSSValuePair::DropIdenticalValues), important);
|
| - return true;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseCounter(int defaultValue)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
|
| -
|
| - while (m_valueList->current()) {
|
| - CSSParserValue* val = m_valueList->current();
|
| - if (val->m_unit != CSSParserValue::Identifier)
|
| - return nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> counterName = createPrimitiveCustomIdentValue(val);
|
| - m_valueList->next();
|
| -
|
| - val = m_valueList->current();
|
| - int i = defaultValue;
|
| - if (val && validUnit(val, FInteger)) {
|
| - i = clampTo<int>(val->fValue);
|
| - m_valueList->next();
|
| - }
|
| -
|
| - list->append(CSSValuePair::create(counterName.release(),
|
| - cssValuePool().createValue(i, CSSPrimitiveValue::UnitType::Number),
|
| - CSSValuePair::DropIdenticalValues));
|
| - }
|
| -
|
| - if (!list->length())
|
| - return nullptr;
|
| - return list.release();
|
| -}
|
| -
|
| -// This should go away once we drop support for -webkit-gradient
|
| -static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseDeprecatedGradientPoint(CSSParserValue* a, bool horizontal)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> result = nullptr;
|
| - if (a->m_unit == CSSParserValue::Identifier) {
|
| - if ((a->id == CSSValueLeft && horizontal)
|
| - || (a->id == CSSValueTop && !horizontal))
|
| - result = cssValuePool().createValue(0., CSSPrimitiveValue::UnitType::Percentage);
|
| - else if ((a->id == CSSValueRight && horizontal)
|
| - || (a->id == CSSValueBottom && !horizontal))
|
| - result = cssValuePool().createValue(100., CSSPrimitiveValue::UnitType::Percentage);
|
| - else if (a->id == CSSValueCenter)
|
| - result = cssValuePool().createValue(50., CSSPrimitiveValue::UnitType::Percentage);
|
| - } else if (a->unit() == CSSPrimitiveValue::UnitType::Number || a->unit() == CSSPrimitiveValue::UnitType::Percentage) {
|
| - result = cssValuePool().createValue(a->fValue, a->unit());
|
| - }
|
| - return result;
|
| -}
|
| -
|
| -// Used to parse colors for -webkit-gradient(...).
|
| -PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::parseDeprecatedGradientStopColor(const CSSParserValue* value)
|
| -{
|
| - // Disallow currentcolor.
|
| - if (value->id == CSSValueCurrentcolor)
|
| - return nullptr;
|
| - return parseColor(value);
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseDeprecatedGradientColorStop(CSSParserValue* a, CSSGradientColorStop& stop)
|
| -{
|
| - if (a->m_unit != CSSParserValue::Function)
|
| - return false;
|
| -
|
| - if (a->function->id != CSSValueFrom
|
| - && a->function->id != CSSValueTo
|
| - && a->function->id != CSSValueColorStop)
|
| - return false;
|
| -
|
| - CSSParserValueList* args = a->function->args.get();
|
| - if (!args)
|
| - return false;
|
| -
|
| - if (a->function->id == CSSValueFrom || a->function->id == CSSValueTo) {
|
| - // The "from" and "to" stops expect 1 argument.
|
| - if (args->size() != 1)
|
| - return false;
|
| -
|
| - if (a->function->id == CSSValueFrom)
|
| - stop.m_position = cssValuePool().createValue(0, CSSPrimitiveValue::UnitType::Number);
|
| - else
|
| - stop.m_position = cssValuePool().createValue(1, CSSPrimitiveValue::UnitType::Number);
|
| -
|
| - stop.m_color = parseDeprecatedGradientStopColor(args->current());
|
| - if (!stop.m_color)
|
| - return false;
|
| - }
|
| -
|
| - // The "color-stop" function expects 3 arguments.
|
| - if (a->function->id == CSSValueColorStop) {
|
| - if (args->size() != 3)
|
| - return false;
|
| -
|
| - CSSParserValue* stopArg = args->current();
|
| - if (stopArg->unit() == CSSPrimitiveValue::UnitType::Percentage)
|
| - stop.m_position = cssValuePool().createValue(stopArg->fValue / 100, CSSPrimitiveValue::UnitType::Number);
|
| - else if (stopArg->unit() == CSSPrimitiveValue::UnitType::Number)
|
| - stop.m_position = cssValuePool().createValue(stopArg->fValue, CSSPrimitiveValue::UnitType::Number);
|
| - else
|
| - return false;
|
| -
|
| - args->next();
|
| - if (!consumeComma(args))
|
| - return false;
|
| -
|
| - stop.m_color = parseDeprecatedGradientStopColor(args->current());
|
| - if (!stop.m_color)
|
| - return false;
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseDeprecatedGradient(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& gradient)
|
| -{
|
| - // Walk the arguments.
|
| - CSSParserValueList* args = valueList->current()->function->args.get();
|
| - if (!args || args->size() == 0)
|
| - return false;
|
| -
|
| - // The first argument is the gradient type. It is an identifier.
|
| - CSSGradientType gradientType;
|
| - CSSParserValue* a = args->current();
|
| - if (!a || a->m_unit != CSSParserValue::Identifier)
|
| - return false;
|
| - if (a->id == CSSValueLinear)
|
| - gradientType = CSSDeprecatedLinearGradient;
|
| - else if (a->id == CSSValueRadial)
|
| - gradientType = CSSDeprecatedRadialGradient;
|
| - else
|
| - return false;
|
| -
|
| - RefPtrWillBeRawPtr<CSSGradientValue> result = nullptr;
|
| - switch (gradientType) {
|
| - case CSSDeprecatedLinearGradient:
|
| - result = CSSLinearGradientValue::create(NonRepeating, gradientType);
|
| - break;
|
| - case CSSDeprecatedRadialGradient:
|
| - result = CSSRadialGradientValue::create(NonRepeating, gradientType);
|
| - break;
|
| - default:
|
| - // The rest of the gradient types shouldn't appear here.
|
| - ASSERT_NOT_REACHED();
|
| - }
|
| - args->next();
|
| -
|
| - if (!consumeComma(args))
|
| - return false;
|
| -
|
| - // Next comes the starting point for the gradient as an x y pair. There is no
|
| - // comma between the x and the y values.
|
| - // First X. It can be left, right, number or percent.
|
| - a = args->current();
|
| - if (!a)
|
| - return false;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> point = parseDeprecatedGradientPoint(a, true);
|
| - if (!point)
|
| - return false;
|
| - result->setFirstX(point.release());
|
| -
|
| - // First Y. It can be top, bottom, number or percent.
|
| - a = args->next();
|
| - if (!a)
|
| - return false;
|
| - point = parseDeprecatedGradientPoint(a, false);
|
| - if (!point)
|
| - return false;
|
| - result->setFirstY(point.release());
|
| -
|
| - // Comma after the first point.
|
| - args->next();
|
| - if (!consumeComma(args))
|
| - return false;
|
| -
|
| - // For radial gradients only, we now expect a numeric radius.
|
| - if (gradientType == CSSDeprecatedRadialGradient) {
|
| - a = args->current();
|
| - if (!a || a->unit() != CSSPrimitiveValue::UnitType::Number)
|
| - return false;
|
| - toCSSRadialGradientValue(result.get())->setFirstRadius(createPrimitiveNumericValue(a));
|
| -
|
| - // Comma after the first radius.
|
| - args->next();
|
| - if (!consumeComma(args))
|
| - return false;
|
| - }
|
| -
|
| - // Next is the ending point for the gradient as an x, y pair.
|
| - // Second X. It can be left, right, number or percent.
|
| - a = args->current();
|
| - if (!a)
|
| - return false;
|
| - point = parseDeprecatedGradientPoint(a, true);
|
| - if (!point)
|
| - return false;
|
| - result->setSecondX(point.release());
|
| -
|
| - // Second Y. It can be top, bottom, number or percent.
|
| - a = args->next();
|
| - if (!a)
|
| - return false;
|
| - point = parseDeprecatedGradientPoint(a, false);
|
| - if (!point)
|
| - return false;
|
| - result->setSecondY(point.release());
|
| - args->next();
|
| -
|
| - // For radial gradients only, we now expect the second radius.
|
| - if (gradientType == CSSDeprecatedRadialGradient) {
|
| - // Comma after the second point.
|
| - if (!consumeComma(args))
|
| - return false;
|
| -
|
| - a = args->current();
|
| - if (!a || a->unit() != CSSPrimitiveValue::UnitType::Number)
|
| - return false;
|
| - toCSSRadialGradientValue(result.get())->setSecondRadius(createPrimitiveNumericValue(a));
|
| - args->next();
|
| - }
|
| -
|
| - // We now will accept any number of stops (0 or more).
|
| - a = args->current();
|
| - while (a) {
|
| - // Look for the comma before the next stop.
|
| - if (!consumeComma(args))
|
| - return false;
|
| -
|
| - // Now examine the stop itself.
|
| - a = args->current();
|
| - if (!a)
|
| - return false;
|
| -
|
| - // The function name needs to be one of "from", "to", or "color-stop."
|
| - CSSGradientColorStop stop;
|
| - if (!parseDeprecatedGradientColorStop(a, stop))
|
| - return false;
|
| - result->addStop(stop);
|
| -
|
| - // Advance
|
| - a = args->next();
|
| - }
|
| -
|
| - gradient = result.release();
|
| - return true;
|
| -}
|
| -
|
| -static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> valueFromSideKeyword(CSSParserValue* a, bool& isHorizontal)
|
| -{
|
| - if (a->m_unit != CSSParserValue::Identifier)
|
| - return nullptr;
|
| -
|
| - switch (a->id) {
|
| - case CSSValueLeft:
|
| - case CSSValueRight:
|
| - isHorizontal = true;
|
| - break;
|
| - case CSSValueTop:
|
| - case CSSValueBottom:
|
| - isHorizontal = false;
|
| - break;
|
| - default:
|
| - return nullptr;
|
| - }
|
| - return cssValuePool().createIdentifierValue(a->id);
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseDeprecatedLinearGradient(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& gradient, CSSGradientRepeat repeating)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSLinearGradientValue> result = CSSLinearGradientValue::create(repeating, CSSPrefixedLinearGradient);
|
| -
|
| - // Walk the arguments.
|
| - CSSParserValueList* args = valueList->current()->function->args.get();
|
| - if (!args || !args->size())
|
| - return false;
|
| -
|
| - CSSParserValue* a = args->current();
|
| - if (!a)
|
| - return false;
|
| -
|
| - bool expectComma = false;
|
| - // Look for angle.
|
| - if (validUnit(a, FAngle, HTMLStandardMode)) {
|
| - result->setAngle(createPrimitiveNumericValue(a));
|
| -
|
| - args->next();
|
| - expectComma = true;
|
| - } else {
|
| - // Look one or two optional keywords that indicate a side or corner.
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> startX = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> startY = nullptr;
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> location = nullptr;
|
| - bool isHorizontal = false;
|
| - if ((location = valueFromSideKeyword(a, isHorizontal))) {
|
| - if (isHorizontal)
|
| - startX = location;
|
| - else
|
| - startY = location;
|
| -
|
| - a = args->next();
|
| - if (a) {
|
| - if ((location = valueFromSideKeyword(a, isHorizontal))) {
|
| - if (isHorizontal) {
|
| - if (startX)
|
| - return false;
|
| - startX = location;
|
| - } else {
|
| - if (startY)
|
| - return false;
|
| - startY = location;
|
| - }
|
| -
|
| - args->next();
|
| - }
|
| - }
|
| -
|
| - expectComma = true;
|
| - }
|
| -
|
| - if (!startX && !startY)
|
| - startY = cssValuePool().createIdentifierValue(CSSValueTop);
|
| -
|
| - result->setFirstX(startX.release());
|
| - result->setFirstY(startY.release());
|
| - }
|
| -
|
| - if (!parseGradientColorStops(args, result.get(), expectComma))
|
| - return false;
|
| -
|
| - if (!result->stopCount())
|
| - return false;
|
| -
|
| - gradient = result.release();
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseDeprecatedRadialGradient(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& gradient, CSSGradientRepeat repeating)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSRadialGradientValue> result = CSSRadialGradientValue::create(repeating, CSSPrefixedRadialGradient);
|
| -
|
| - // Walk the arguments.
|
| - CSSParserValueList* args = valueList->current()->function->args.get();
|
| - if (!args || !args->size())
|
| - return false;
|
| -
|
| - CSSParserValue* a = args->current();
|
| - if (!a)
|
| - return false;
|
| -
|
| - bool expectComma = false;
|
| -
|
| - // Optional background-position
|
| - RefPtrWillBeRawPtr<CSSValue> centerX = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> centerY = nullptr;
|
| - // parse2ValuesFillPosition advances the args next pointer.
|
| - parse2ValuesFillPosition(args, centerX, centerY);
|
| -
|
| - if ((centerX || centerY) && !consumeComma(args))
|
| - return false;
|
| -
|
| - a = args->current();
|
| - if (!a)
|
| - return false;
|
| -
|
| - result->setFirstX(toCSSPrimitiveValue(centerX.get()));
|
| - result->setSecondX(toCSSPrimitiveValue(centerX.get()));
|
| - // CSS3 radial gradients always share the same start and end point.
|
| - result->setFirstY(toCSSPrimitiveValue(centerY.get()));
|
| - result->setSecondY(toCSSPrimitiveValue(centerY.get()));
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> shapeValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> sizeValue = nullptr;
|
| -
|
| - // Optional shape and/or size in any order.
|
| - for (int i = 0; i < 2; ++i) {
|
| - if (a->m_unit != CSSParserValue::Identifier)
|
| - break;
|
| -
|
| - bool foundValue = false;
|
| - switch (a->id) {
|
| - case CSSValueCircle:
|
| - case CSSValueEllipse:
|
| - shapeValue = cssValuePool().createIdentifierValue(a->id);
|
| - foundValue = true;
|
| - break;
|
| - case CSSValueClosestSide:
|
| - case CSSValueClosestCorner:
|
| - case CSSValueFarthestSide:
|
| - case CSSValueFarthestCorner:
|
| - case CSSValueContain:
|
| - case CSSValueCover:
|
| - sizeValue = cssValuePool().createIdentifierValue(a->id);
|
| - foundValue = true;
|
| - break;
|
| - default:
|
| - break;
|
| - }
|
| -
|
| - if (foundValue) {
|
| - a = args->next();
|
| - if (!a)
|
| - return false;
|
| -
|
| - expectComma = true;
|
| - }
|
| - }
|
| -
|
| - result->setShape(shapeValue);
|
| - result->setSizingBehavior(sizeValue);
|
| -
|
| - // Or, two lengths or percentages
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> horizontalSize = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> verticalSize = nullptr;
|
| -
|
| - if (!shapeValue && !sizeValue) {
|
| - if (validUnit(a, FLength | FPercent)) {
|
| - horizontalSize = createPrimitiveNumericValue(a);
|
| - a = args->next();
|
| - if (!a)
|
| - return false;
|
| -
|
| - expectComma = true;
|
| - }
|
| -
|
| - if (validUnit(a, FLength | FPercent)) {
|
| - verticalSize = createPrimitiveNumericValue(a);
|
| -
|
| - a = args->next();
|
| - if (!a)
|
| - return false;
|
| - expectComma = true;
|
| - }
|
| - }
|
| -
|
| - // Must have neither or both.
|
| - if (!horizontalSize != !verticalSize)
|
| - return false;
|
| -
|
| - result->setEndHorizontalSize(horizontalSize);
|
| - result->setEndVerticalSize(verticalSize);
|
| -
|
| - if (!parseGradientColorStops(args, result.get(), expectComma))
|
| - return false;
|
| -
|
| - gradient = result.release();
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseLinearGradient(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& gradient, CSSGradientRepeat repeating)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSLinearGradientValue> result = CSSLinearGradientValue::create(repeating, CSSLinearGradient);
|
| -
|
| - CSSParserFunction* function = valueList->current()->function;
|
| - CSSParserValueList* args = function->args.get();
|
| - if (!args || !args->size())
|
| - return false;
|
| -
|
| - CSSParserValue* a = args->current();
|
| - if (!a)
|
| - return false;
|
| -
|
| - bool expectComma = false;
|
| - // Look for angle.
|
| - if (validUnit(a, FAngle, HTMLStandardMode)) {
|
| - result->setAngle(createPrimitiveNumericValue(a));
|
| -
|
| - args->next();
|
| - expectComma = true;
|
| - } else if (a->m_unit == CSSParserValue::Identifier && a->id == CSSValueTo) {
|
| - // to [ [left | right] || [top | bottom] ]
|
| - a = args->next();
|
| - if (!a)
|
| - return false;
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> endX = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> endY = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> location = nullptr;
|
| - bool isHorizontal = false;
|
| -
|
| - location = valueFromSideKeyword(a, isHorizontal);
|
| - if (!location)
|
| - return false;
|
| -
|
| - if (isHorizontal)
|
| - endX = location;
|
| - else
|
| - endY = location;
|
| -
|
| - a = args->next();
|
| - if (!a)
|
| - return false;
|
| -
|
| - location = valueFromSideKeyword(a, isHorizontal);
|
| - if (location) {
|
| - if (isHorizontal) {
|
| - if (endX)
|
| - return false;
|
| - endX = location;
|
| - } else {
|
| - if (endY)
|
| - return false;
|
| - endY = location;
|
| - }
|
| -
|
| - args->next();
|
| - }
|
| -
|
| - expectComma = true;
|
| - result->setFirstX(endX.release());
|
| - result->setFirstY(endY.release());
|
| - }
|
| -
|
| - if (!parseGradientColorStops(args, result.get(), expectComma))
|
| - return false;
|
| -
|
| - if (!result->stopCount())
|
| - return false;
|
| -
|
| - gradient = result.release();
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseRadialGradient(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& gradient, CSSGradientRepeat repeating)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSRadialGradientValue> result = CSSRadialGradientValue::create(repeating, CSSRadialGradient);
|
| -
|
| - CSSParserValueList* args = valueList->current()->function->args.get();
|
| - if (!args || !args->size())
|
| - return false;
|
| -
|
| - CSSParserValue* a = args->current();
|
| - if (!a)
|
| - return false;
|
| -
|
| - bool expectComma = false;
|
| -
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> shapeValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> sizeValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> horizontalSize = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> verticalSize = nullptr;
|
| -
|
| - // First part of grammar, the size/shape clause:
|
| - // [ circle || <length> ] |
|
| - // [ ellipse || [ <length> | <percentage> ]{2} ] |
|
| - // [ [ circle | ellipse] || <size-keyword> ]
|
| - for (int i = 0; i < 3; ++i) {
|
| - if (a->m_unit == CSSParserValue::Identifier) {
|
| - bool badIdent = false;
|
| - switch (a->id) {
|
| - case CSSValueCircle:
|
| - case CSSValueEllipse:
|
| - if (shapeValue)
|
| - return false;
|
| - shapeValue = cssValuePool().createIdentifierValue(a->id);
|
| - break;
|
| - case CSSValueClosestSide:
|
| - case CSSValueClosestCorner:
|
| - case CSSValueFarthestSide:
|
| - case CSSValueFarthestCorner:
|
| - if (sizeValue || horizontalSize)
|
| - return false;
|
| - sizeValue = cssValuePool().createIdentifierValue(a->id);
|
| - break;
|
| - default:
|
| - badIdent = true;
|
| - }
|
| -
|
| - if (badIdent)
|
| - break;
|
| -
|
| - a = args->next();
|
| - if (!a)
|
| - return false;
|
| - } else if (validUnit(a, FLength | FPercent)) {
|
| -
|
| - if (sizeValue || horizontalSize)
|
| - return false;
|
| - horizontalSize = createPrimitiveNumericValue(a);
|
| -
|
| - a = args->next();
|
| - if (!a)
|
| - return false;
|
| -
|
| - if (validUnit(a, FLength | FPercent)) {
|
| - verticalSize = createPrimitiveNumericValue(a);
|
| - ++i;
|
| - a = args->next();
|
| - if (!a)
|
| - return false;
|
| - }
|
| - } else
|
| - break;
|
| - }
|
| -
|
| - // You can specify size as a keyword or a length/percentage, not both.
|
| - if (sizeValue && horizontalSize)
|
| - return false;
|
| - // Circles must have 0 or 1 lengths.
|
| - if (shapeValue && shapeValue->getValueID() == CSSValueCircle && verticalSize)
|
| - return false;
|
| - // Ellipses must have 0 or 2 length/percentages.
|
| - if (shapeValue && shapeValue->getValueID() == CSSValueEllipse && horizontalSize && !verticalSize)
|
| - return false;
|
| - // If there's only one size, it must be a length.
|
| - if (!verticalSize && horizontalSize && horizontalSize->isPercentage())
|
| - return false;
|
| -
|
| - result->setShape(shapeValue);
|
| - result->setSizingBehavior(sizeValue);
|
| - result->setEndHorizontalSize(horizontalSize);
|
| - result->setEndVerticalSize(verticalSize);
|
| -
|
| - // Second part of grammar, the center-position clause:
|
| - // at <position>
|
| - RefPtrWillBeRawPtr<CSSValue> centerX = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> centerY = nullptr;
|
| - if (a->m_unit == CSSParserValue::Identifier && a->id == CSSValueAt) {
|
| - a = args->next();
|
| - if (!a)
|
| - return false;
|
| -
|
| - parseFillPosition(args, centerX, centerY);
|
| - if (!(centerX && centerY))
|
| - return false;
|
| -
|
| - a = args->current();
|
| - if (!a)
|
| - return false;
|
| - result->setFirstX(centerX);
|
| - result->setFirstY(centerY);
|
| - // Right now, CSS radial gradients have the same start and end centers.
|
| - result->setSecondX(centerX);
|
| - result->setSecondY(centerY);
|
| - }
|
| -
|
| - if (shapeValue || sizeValue || horizontalSize || centerX || centerY)
|
| - expectComma = true;
|
| -
|
| - if (!parseGradientColorStops(args, result.get(), expectComma))
|
| - return false;
|
| -
|
| - gradient = result.release();
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseGradientColorStops(CSSParserValueList* valueList, CSSGradientValue* gradient, bool expectComma)
|
| -{
|
| - CSSParserValue* a = valueList->current();
|
| -
|
| - // Now look for color stops.
|
| - // <color-stop-list> = [ <color-stop> , <color-hint>? ]# , <color-stop>
|
| - bool supportsColorHints = gradient->gradientType() == CSSLinearGradient
|
| - || gradient->gradientType() == CSSRadialGradient;
|
| -
|
| - // The first color stop cannot be a color hint.
|
| - bool previousStopWasColorHint = true;
|
| - while (a) {
|
| - // Look for the comma before the next stop.
|
| - if (expectComma) {
|
| - if (!isComma(a))
|
| - return false;
|
| -
|
| - a = valueList->next();
|
| - if (!a)
|
| - return false;
|
| - }
|
| -
|
| - // <color-stop> = <color> [ <percentage> | <length> ]?
|
| - // <color-hint> = <length> | <percentage>
|
| - CSSGradientColorStop stop;
|
| - stop.m_color = parseColor(a);
|
| -
|
| - // Two hints in a row are not allowed.
|
| - if (!stop.m_color && (!supportsColorHints || previousStopWasColorHint))
|
| - return false;
|
| - previousStopWasColorHint = !stop.m_color;
|
| -
|
| - if (stop.m_color)
|
| - a = valueList->next();
|
| -
|
| - if (a) {
|
| - if (validUnit(a, FLength | FPercent)) {
|
| - stop.m_position = createPrimitiveNumericValue(a);
|
| - a = valueList->next();
|
| - }
|
| - }
|
| -
|
| - if (!stop.m_color && !stop.m_position)
|
| - return false;
|
| -
|
| - gradient->addStop(stop);
|
| - expectComma = true;
|
| - }
|
| -
|
| - // The last color stop cannot be a color hint.
|
| - if (previousStopWasColorHint)
|
| - return false;
|
| -
|
| - // Must have 2 or more stops to be valid.
|
| - return gradient->stopCount() >= 2;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseGeneratedImage(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& value)
|
| -{
|
| - CSSParserValue* val = valueList->current();
|
| -
|
| - if (val->m_unit != CSSParserValue::Function)
|
| - return false;
|
| -
|
| - if (val->function->id == CSSValueWebkitGradient) {
|
| - // FIXME: This should send a deprecation message.
|
| - if (m_context.useCounter())
|
| - m_context.useCounter()->count(UseCounter::DeprecatedWebKitGradient);
|
| - return parseDeprecatedGradient(valueList, value);
|
| - }
|
| -
|
| - if (val->function->id == CSSValueWebkitLinearGradient) {
|
| - // FIXME: This should send a deprecation message.
|
| - if (m_context.useCounter())
|
| - m_context.useCounter()->count(UseCounter::DeprecatedWebKitLinearGradient);
|
| - return parseDeprecatedLinearGradient(valueList, value, NonRepeating);
|
| - }
|
| -
|
| - if (val->function->id == CSSValueLinearGradient)
|
| - return parseLinearGradient(valueList, value, NonRepeating);
|
| -
|
| - if (val->function->id == CSSValueWebkitRepeatingLinearGradient) {
|
| - // FIXME: This should send a deprecation message.
|
| - if (m_context.useCounter())
|
| - m_context.useCounter()->count(UseCounter::DeprecatedWebKitRepeatingLinearGradient);
|
| - return parseDeprecatedLinearGradient(valueList, value, Repeating);
|
| - }
|
| -
|
| - if (val->function->id == CSSValueRepeatingLinearGradient)
|
| - return parseLinearGradient(valueList, value, Repeating);
|
| -
|
| - if (val->function->id == CSSValueWebkitRadialGradient) {
|
| - // FIXME: This should send a deprecation message.
|
| - if (m_context.useCounter())
|
| - m_context.useCounter()->count(UseCounter::DeprecatedWebKitRadialGradient);
|
| - return parseDeprecatedRadialGradient(valueList, value, NonRepeating);
|
| - }
|
| -
|
| - if (val->function->id == CSSValueRadialGradient)
|
| - return parseRadialGradient(valueList, value, NonRepeating);
|
| -
|
| - if (val->function->id == CSSValueWebkitRepeatingRadialGradient) {
|
| - if (m_context.useCounter())
|
| - m_context.useCounter()->count(UseCounter::DeprecatedWebKitRepeatingRadialGradient);
|
| - return parseDeprecatedRadialGradient(valueList, value, Repeating);
|
| - }
|
| -
|
| - if (val->function->id == CSSValueRepeatingRadialGradient)
|
| - return parseRadialGradient(valueList, value, Repeating);
|
| -
|
| - if (val->function->id == CSSValueWebkitCanvas)
|
| - return parseCanvas(valueList, value);
|
| -
|
| - if (val->function->id == CSSValueWebkitCrossFade)
|
| - return parseCrossfade(valueList, value);
|
| -
|
| - return false;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseCrossfade(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& crossfade)
|
| -{
|
| - // Walk the arguments.
|
| - CSSParserValueList* args = valueList->current()->function->args.get();
|
| - if (!args || args->size() != 5)
|
| - return false;
|
| - RefPtrWillBeRawPtr<CSSValue> fromImageValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> toImageValue = nullptr;
|
| -
|
| - // The first argument is the "from" image. It is a fill image.
|
| - if (!args->current() || !parseFillImage(args, fromImageValue))
|
| - return false;
|
| - args->next();
|
| -
|
| - if (!consumeComma(args))
|
| - return false;
|
| -
|
| - // The second argument is the "to" image. It is a fill image.
|
| - if (!args->current() || !parseFillImage(args, toImageValue))
|
| - return false;
|
| - args->next();
|
| -
|
| - if (!consumeComma(args))
|
| - return false;
|
| -
|
| - // The third argument is the crossfade value. It is a percentage or a fractional number.
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> percentage = nullptr;
|
| - CSSParserValue* value = args->current();
|
| - if (!value)
|
| - return false;
|
| -
|
| - if (value->unit() == CSSPrimitiveValue::UnitType::Percentage)
|
| - percentage = cssValuePool().createValue(clampTo<double>(value->fValue / 100, 0, 1), CSSPrimitiveValue::UnitType::Number);
|
| - else if (value->unit() == CSSPrimitiveValue::UnitType::Number)
|
| - percentage = cssValuePool().createValue(clampTo<double>(value->fValue, 0, 1), CSSPrimitiveValue::UnitType::Number);
|
| - else
|
| - return false;
|
| -
|
| - RefPtrWillBeRawPtr<CSSCrossfadeValue> result = CSSCrossfadeValue::create(fromImageValue, toImageValue);
|
| - result->setPercentage(percentage);
|
| -
|
| - crossfade = result;
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseCanvas(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& canvas)
|
| -{
|
| - // Walk the arguments.
|
| - CSSParserValueList* args = valueList->current()->function->args.get();
|
| - if (!args || args->size() != 1)
|
| - return false;
|
| -
|
| - // The first argument is the canvas name. It is an identifier.
|
| - CSSParserValue* value = args->current();
|
| - if (!value || value->m_unit != CSSParserValue::Identifier)
|
| - return false;
|
| -
|
| - canvas = CSSCanvasValue::create(value->string);
|
| - return true;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseImageSet(CSSParserValueList* valueList)
|
| -{
|
| - CSSParserValue* function = valueList->current();
|
| -
|
| - if (function->m_unit != CSSParserValue::Function)
|
| - return nullptr;
|
| -
|
| - CSSParserValueList* functionArgs = valueList->current()->function->args.get();
|
| - if (!functionArgs || !functionArgs->size() || !functionArgs->current())
|
| - return nullptr;
|
| -
|
| - RefPtrWillBeRawPtr<CSSImageSetValue> imageSet = CSSImageSetValue::create();
|
| -
|
| - while (functionArgs->current()) {
|
| - CSSParserValue* arg = functionArgs->current();
|
| - if (arg->unit() != CSSPrimitiveValue::UnitType::URI)
|
| - return nullptr;
|
| -
|
| - RefPtrWillBeRawPtr<CSSValue> image = createCSSImageValueWithReferrer(arg->string, completeURL(arg->string));
|
| - imageSet->append(image);
|
| -
|
| - arg = functionArgs->next();
|
| - if (!arg)
|
| - return nullptr;
|
| -
|
| - if (arg->m_unit != CSSParserValue::DimensionList)
|
| - return nullptr;
|
| - ASSERT(arg->valueList->valueAt(0)->unit() == CSSPrimitiveValue::UnitType::Number);
|
| - ASSERT(arg->valueList->valueAt(1)->m_unit == CSSParserValue::Identifier);
|
| - if (String(arg->valueList->valueAt(1)->string) != "x")
|
| - return nullptr;
|
| - double imageScaleFactor = arg->valueList->valueAt(0)->fValue;
|
| - if (imageScaleFactor <= 0)
|
| - return nullptr;
|
| - imageSet->append(cssValuePool().createValue(imageScaleFactor, CSSPrimitiveValue::UnitType::Number));
|
| - functionArgs->next();
|
| -
|
| - // If there are no more arguments, we're done.
|
| - if (!functionArgs->current())
|
| - break;
|
| -
|
| - // If there are more arguments, they should be after a comma.
|
| - if (!consumeComma(functionArgs))
|
| - return nullptr;
|
| - }
|
| -
|
| - return imageSet.release();
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseWillChange()
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> values = CSSValueList::createCommaSeparated();
|
| - if (m_valueList->current()->id == CSSValueAuto) {
|
| - // FIXME: This will be read back as an empty string instead of auto
|
| - return values.release();
|
| - }
|
| -
|
| - // Every comma-separated list of identifiers is a valid will-change value,
|
| - // unless the list includes an explicitly disallowed identifier.
|
| - while (true) {
|
| - CSSParserValue* currentValue = m_valueList->current();
|
| - if (!currentValue || currentValue->m_unit != CSSParserValue::Identifier)
|
| - return nullptr;
|
| -
|
| - CSSPropertyID unresolvedProperty = unresolvedCSSPropertyID(currentValue->string);
|
| - if (unresolvedProperty) {
|
| - ASSERT(CSSPropertyMetadata::isEnabledProperty(unresolvedProperty));
|
| - // Now "all" is used by both CSSValue and CSSPropertyValue.
|
| - // Need to return nullptr when currentValue is CSSPropertyAll.
|
| - if (unresolvedProperty == CSSPropertyWillChange || unresolvedProperty == CSSPropertyAll)
|
| - return nullptr;
|
| - values->append(cssValuePool().createIdentifierValue(unresolvedProperty));
|
| - } else {
|
| - switch (currentValue->id) {
|
| - case CSSValueNone:
|
| - case CSSValueAll:
|
| - case CSSValueAuto:
|
| - case CSSValueDefault:
|
| - case CSSValueInitial:
|
| - case CSSValueInherit:
|
| - return nullptr;
|
| - case CSSValueContents:
|
| - case CSSValueScrollPosition:
|
| - values->append(cssValuePool().createIdentifierValue(currentValue->id));
|
| - break;
|
| - default:
|
| - break;
|
| - }
|
| - }
|
| -
|
| - if (!m_valueList->next())
|
| - break;
|
| - if (!consumeComma(m_valueList))
|
| - return nullptr;
|
| - }
|
| -
|
| - return values.release();
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSFunctionValue> CSSPropertyParser::parseBuiltinFilterArguments(CSSParserValueList* args, CSSValueID filterType)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSFunctionValue> filterValue = CSSFunctionValue::create(filterType);
|
| - ASSERT(args);
|
| -
|
| - switch (filterType) {
|
| - case CSSValueGrayscale:
|
| - case CSSValueSepia:
|
| - case CSSValueSaturate:
|
| - case CSSValueInvert:
|
| - case CSSValueOpacity:
|
| - case CSSValueContrast: {
|
| - // One optional argument, 0-1 or 0%-100%, if missing use 100%.
|
| - if (args->size()) {
|
| - CSSParserValue* value = args->current();
|
| - // FIXME (crbug.com/397061): Support calc expressions like calc(10% + 0.5)
|
| - if (value->unit() != CSSPrimitiveValue::UnitType::Percentage && !validUnit(value, FNumber | FNonNeg))
|
| - return nullptr;
|
| -
|
| - double amount = value->fValue;
|
| - if (amount < 0)
|
| - return nullptr;
|
| -
|
| - // Saturate and Contrast allow values over 100%.
|
| - if (filterType != CSSValueSaturate
|
| - && filterType != CSSValueContrast) {
|
| - double maxAllowed = value->unit() == CSSPrimitiveValue::UnitType::Percentage ? 100.0 : 1.0;
|
| - if (amount > maxAllowed)
|
| - return nullptr;
|
| - }
|
| -
|
| - filterValue->append(cssValuePool().createValue(amount, value->unit()));
|
| - }
|
| - break;
|
| - }
|
| - case CSSValueBrightness: {
|
| - // One optional argument, if missing use 100%.
|
| - if (args->size()) {
|
| - CSSParserValue* value = args->current();
|
| - // FIXME (crbug.com/397061): Support calc expressions like calc(10% + 0.5)
|
| - if (value->unit() != CSSPrimitiveValue::UnitType::Percentage && !validUnit(value, FNumber))
|
| - return nullptr;
|
| -
|
| - filterValue->append(cssValuePool().createValue(value->fValue, value->unit()));
|
| - }
|
| - break;
|
| - }
|
| - case CSSValueHueRotate: {
|
| - // hue-rotate() takes one optional angle.
|
| - if (args->size()) {
|
| - CSSParserValue* argument = args->current();
|
| - if (!validUnit(argument, FAngle, HTMLStandardMode))
|
| - return nullptr;
|
| -
|
| - filterValue->append(createPrimitiveNumericValue(argument));
|
| - }
|
| - break;
|
| - }
|
| - case CSSValueBlur: {
|
| - // Blur takes a single length. Zero parameters are allowed.
|
| - if (args->size()) {
|
| - CSSParserValue* argument = args->current();
|
| - if (!validUnit(argument, FLength | FNonNeg, HTMLStandardMode))
|
| - return nullptr;
|
| -
|
| - filterValue->append(createPrimitiveNumericValue(argument));
|
| - }
|
| - break;
|
| - }
|
| - case CSSValueDropShadow: {
|
| - // drop-shadow() takes a single shadow.
|
| - RefPtrWillBeRawPtr<CSSShadowValue> shadowValue = parseSingleShadow(args, false, true);
|
| - if (!shadowValue)
|
| - return nullptr;
|
| - filterValue->append(shadowValue.release());
|
| - break;
|
| - }
|
| - default:
|
| - return nullptr;
|
| - }
|
| - return filterValue.release();
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValueList> CSSPropertyParser::parseFilter()
|
| -{
|
| - if (!m_valueList)
|
| - return nullptr;
|
| -
|
| - // The filter is a list of functional primitives that specify individual operations.
|
| - RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
|
| - for (CSSParserValue* value = m_valueList->current(); value; value = m_valueList->next()) {
|
| - if (value->unit() != CSSPrimitiveValue::UnitType::URI && (value->m_unit != CSSParserValue::Function || !value->function))
|
| - return nullptr;
|
| -
|
| - // See if the specified primitive is one we understand.
|
| - if (value->unit() == CSSPrimitiveValue::UnitType::URI) {
|
| - RefPtrWillBeRawPtr<CSSFunctionValue> referenceFilterValue = CSSFunctionValue::create(CSSValueUrl);
|
| - referenceFilterValue->append(CSSSVGDocumentValue::create(value->string));
|
| - list->append(referenceFilterValue.release());
|
| - } else {
|
| - CSSValueID filterType = value->function->id;
|
| - unsigned maximumArgumentCount = filterType == CSSValueDropShadow ? 4 : 1;
|
| -
|
| - CSSParserValueList* args = value->function->args.get();
|
| - if (!args || args->size() > maximumArgumentCount)
|
| - return nullptr;
|
| -
|
| - RefPtrWillBeRawPtr<CSSFunctionValue> filterValue = parseBuiltinFilterArguments(args, filterType);
|
| - if (!filterValue)
|
| - return nullptr;
|
| -
|
| - list->append(filterValue);
|
| - }
|
| - }
|
| -
|
| - return list.release();
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValueList> CSSPropertyParser::parseTransformOrigin()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - CSSValueID id = value->id;
|
| - RefPtrWillBeRawPtr<CSSValue> xValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> yValue = nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> zValue = nullptr;
|
| - if (id == CSSValueLeft || id == CSSValueRight) {
|
| - xValue = cssValuePool().createIdentifierValue(id);
|
| - } else if (id == CSSValueTop || id == CSSValueBottom) {
|
| - yValue = cssValuePool().createIdentifierValue(id);
|
| - } else if (id == CSSValueCenter) {
|
| - // Unresolved as to whether this is X or Y.
|
| - } else if (validUnit(value, FPercent | FLength)) {
|
| - xValue = createPrimitiveNumericValue(value);
|
| - } else {
|
| - return nullptr;
|
| - }
|
| -
|
| - value = m_valueList->next();
|
| - if (value) {
|
| - id = value->id;
|
| - if (!xValue && (id == CSSValueLeft || id == CSSValueRight)) {
|
| - xValue = cssValuePool().createIdentifierValue(id);
|
| - } else if (!yValue && (id == CSSValueTop || id == CSSValueBottom)) {
|
| - yValue = cssValuePool().createIdentifierValue(id);
|
| - } else if (id == CSSValueCenter) {
|
| - // Resolved below.
|
| - } else if (!yValue && validUnit(value, FPercent | FLength)) {
|
| - yValue = createPrimitiveNumericValue(value);
|
| - } else {
|
| - return nullptr;
|
| - }
|
| -
|
| - // If X or Y have not been resolved, they must be center.
|
| - if (!xValue)
|
| - xValue = cssValuePool().createIdentifierValue(CSSValueCenter);
|
| - if (!yValue)
|
| - yValue = cssValuePool().createIdentifierValue(CSSValueCenter);
|
| -
|
| - value = m_valueList->next();
|
| - if (value) {
|
| - if (!validUnit(value, FLength))
|
| - return nullptr;
|
| - zValue = createPrimitiveNumericValue(value);
|
| -
|
| - value = m_valueList->next();
|
| - if (value)
|
| - return nullptr;
|
| - }
|
| - } else if (!xValue) {
|
| - if (yValue) {
|
| - xValue = cssValuePool().createValue(50, CSSPrimitiveValue::UnitType::Percentage);
|
| - } else {
|
| - xValue = cssValuePool().createIdentifierValue(CSSValueCenter);
|
| - }
|
| - }
|
| -
|
| - RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
|
| - list->append(xValue.release());
|
| - if (yValue)
|
| - list->append(yValue.release());
|
| - if (zValue)
|
| - list->append(zValue.release());
|
| - return list.release();
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseTouchAction()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
|
| - if (m_valueList->size() == 1 && value && (value->id == CSSValueAuto || value->id == CSSValueNone || value->id == CSSValueManipulation)) {
|
| - list->append(cssValuePool().createIdentifierValue(value->id));
|
| - m_valueList->next();
|
| - return list.release();
|
| - }
|
| -
|
| - bool xSet = false;
|
| - bool ySet = false;
|
| - while (value) {
|
| - switch (value->id) {
|
| - case CSSValuePanX:
|
| - case CSSValuePanRight:
|
| - case CSSValuePanLeft: {
|
| - if (xSet)
|
| - return nullptr;
|
| - xSet = true;
|
| - if (value->id != CSSValuePanX && !RuntimeEnabledFeatures::cssTouchActionPanDirectionsEnabled())
|
| - return nullptr;
|
| -
|
| - RefPtrWillBeRawPtr<CSSValue> panValue = cssValuePool().createIdentifierValue(value->id);
|
| - list->append(panValue.release());
|
| - break;
|
| - }
|
| - case CSSValuePanY:
|
| - case CSSValuePanDown:
|
| - case CSSValuePanUp: {
|
| - if (ySet)
|
| - return nullptr;
|
| - ySet = true;
|
| - if (value->id != CSSValuePanY && !RuntimeEnabledFeatures::cssTouchActionPanDirectionsEnabled())
|
| - return nullptr;
|
| - RefPtrWillBeRawPtr<CSSValue> panValue = cssValuePool().createIdentifierValue(value->id);
|
| - list->append(panValue.release());
|
| - break;
|
| - }
|
| - default:
|
| - return nullptr;
|
| - }
|
| - value = m_valueList->next();
|
| - }
|
| -
|
| - if (list->length())
|
| - return list.release();
|
| -
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseTextDecoration()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (value && value->id == CSSValueNone) {
|
| - m_valueList->next();
|
| - return cssValuePool().createIdentifierValue(CSSValueNone);
|
| - }
|
| -
|
| - RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
|
| - bool isValid = true;
|
| - while (isValid && value) {
|
| - switch (value->id) {
|
| - case CSSValueUnderline:
|
| - case CSSValueOverline:
|
| - case CSSValueLineThrough:
|
| - case CSSValueBlink:
|
| - // TODO(timloh): This will incorrectly accept "blink blink"
|
| - list->append(cssValuePool().createIdentifierValue(value->id));
|
| - break;
|
| - default:
|
| - isValid = false;
|
| - break;
|
| - }
|
| - if (isValid)
|
| - value = m_valueList->next();
|
| - }
|
| -
|
| - // Values are either valid or in shorthand scope.
|
| - if (list->length())
|
| - return list.release();
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseTextEmphasisStyle()
|
| -{
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> fill = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> shape = nullptr;
|
| -
|
| - for (CSSParserValue* value = m_valueList->current(); value; value = m_valueList->next()) {
|
| - if (value->unit() == CSSPrimitiveValue::UnitType::String) {
|
| - if (fill || shape)
|
| - return nullptr;
|
| - m_valueList->next();
|
| - return createPrimitiveStringValue(value);
|
| - }
|
| -
|
| - if (value->id == CSSValueNone) {
|
| - if (fill || shape)
|
| - return nullptr;
|
| - m_valueList->next();
|
| - return cssValuePool().createIdentifierValue(CSSValueNone);
|
| - }
|
| -
|
| - if (value->id == CSSValueOpen || value->id == CSSValueFilled) {
|
| - if (fill)
|
| - return nullptr;
|
| - fill = cssValuePool().createIdentifierValue(value->id);
|
| - } else if (value->id == CSSValueDot || value->id == CSSValueCircle || value->id == CSSValueDoubleCircle || value->id == CSSValueTriangle || value->id == CSSValueSesame) {
|
| - if (shape)
|
| - return nullptr;
|
| - shape = cssValuePool().createIdentifierValue(value->id);
|
| - } else {
|
| - break;
|
| - }
|
| - }
|
| -
|
| - if (fill && shape) {
|
| - RefPtrWillBeRawPtr<CSSValueList> parsedValues = CSSValueList::createSpaceSeparated();
|
| - parsedValues->append(fill.release());
|
| - parsedValues->append(shape.release());
|
| - return parsedValues.release();
|
| - }
|
| - if (fill)
|
| - return fill.release();
|
| - if (shape)
|
| - return shape.release();
|
| -
|
| - return nullptr;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseTextIndent()
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
|
| -
|
| - bool hasLengthOrPercentage = false;
|
| - bool hasEachLine = false;
|
| - bool hasHanging = false;
|
| -
|
| - for (CSSParserValue* value = m_valueList->current(); value; value = m_valueList->next()) {
|
| - // <length> | <percentage> | inherit when RuntimeEnabledFeatures::css3TextEnabled() returns false
|
| - if (!hasLengthOrPercentage && validUnit(value, FLength | FPercent | FUnitlessQuirk)) {
|
| - list->append(createPrimitiveNumericValue(value));
|
| - hasLengthOrPercentage = true;
|
| - continue;
|
| - }
|
| -
|
| - // [ <length> | <percentage> ] && hanging? && each-line? | inherit
|
| - // when RuntimeEnabledFeatures::css3TextEnabled() returns true
|
| - if (RuntimeEnabledFeatures::css3TextEnabled()) {
|
| - if (!hasEachLine && value->id == CSSValueEachLine) {
|
| - list->append(cssValuePool().createIdentifierValue(CSSValueEachLine));
|
| - hasEachLine = true;
|
| - continue;
|
| - }
|
| - if (!hasHanging && value->id == CSSValueHanging) {
|
| - list->append(cssValuePool().createIdentifierValue(CSSValueHanging));
|
| - hasHanging = true;
|
| - continue;
|
| - }
|
| - }
|
| - return nullptr;
|
| - }
|
| -
|
| - if (!hasLengthOrPercentage)
|
| - return nullptr;
|
| -
|
| - return list.release();
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseFontFeatureTag(CSSValueList* settings)
|
| -{
|
| - // Feature tag name consists of 4-letter characters.
|
| - static const unsigned tagNameLength = 4;
|
| -
|
| - CSSParserValue* value = m_valueList->current();
|
| - // Feature tag name comes first
|
| - if (value->unit() != CSSPrimitiveValue::UnitType::String)
|
| - return false;
|
| - if (value->string.length() != tagNameLength)
|
| - return false;
|
| - for (unsigned i = 0; i < tagNameLength; ++i) {
|
| - // Limits the range of characters to 0x20-0x7E, following the tag name rules defiend in the OpenType specification.
|
| - UChar character = value->string[i];
|
| - if (character < 0x20 || character > 0x7E)
|
| - return false;
|
| - }
|
| -
|
| - AtomicString tag = value->string;
|
| - int tagValue = 1;
|
| - // Feature tag values could follow: <integer> | on | off
|
| - value = m_valueList->next();
|
| - if (value) {
|
| - if (value->unit() == CSSPrimitiveValue::UnitType::Number && value->isInt && value->fValue >= 0) {
|
| - tagValue = clampTo<int>(value->fValue);
|
| - if (tagValue < 0)
|
| - return false;
|
| - m_valueList->next();
|
| - } else if (value->id == CSSValueOn || value->id == CSSValueOff) {
|
| - tagValue = value->id == CSSValueOn;
|
| - m_valueList->next();
|
| - }
|
| - }
|
| - settings->append(CSSFontFeatureValue::create(tag, tagValue));
|
| - return true;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseFontFeatureSettings()
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> settings = CSSValueList::createCommaSeparated();
|
| - while (true) {
|
| - if (!m_valueList->current() || !parseFontFeatureTag(settings.get()))
|
| - return nullptr;
|
| - if (!m_valueList->current())
|
| - break;
|
| - if (!consumeComma(m_valueList))
|
| - return nullptr;
|
| - }
|
| - return settings.release();
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseFontVariantLigatures(bool important)
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> ligatureValues = CSSValueList::createSpaceSeparated();
|
| - bool sawCommonLigaturesValue = false;
|
| - bool sawDiscretionaryLigaturesValue = false;
|
| - bool sawHistoricalLigaturesValue = false;
|
| - bool sawContextualLigaturesValue = false;
|
| -
|
| - for (CSSParserValue* value = m_valueList->current(); value; value = m_valueList->next()) {
|
| - if (value->m_unit != CSSParserValue::Identifier)
|
| - return false;
|
| -
|
| - switch (value->id) {
|
| - case CSSValueNoCommonLigatures:
|
| - case CSSValueCommonLigatures:
|
| - if (sawCommonLigaturesValue)
|
| - return false;
|
| - sawCommonLigaturesValue = true;
|
| - ligatureValues->append(cssValuePool().createIdentifierValue(value->id));
|
| - break;
|
| - case CSSValueNoDiscretionaryLigatures:
|
| - case CSSValueDiscretionaryLigatures:
|
| - if (sawDiscretionaryLigaturesValue)
|
| - return false;
|
| - sawDiscretionaryLigaturesValue = true;
|
| - ligatureValues->append(cssValuePool().createIdentifierValue(value->id));
|
| - break;
|
| - case CSSValueNoHistoricalLigatures:
|
| - case CSSValueHistoricalLigatures:
|
| - if (sawHistoricalLigaturesValue)
|
| - return false;
|
| - sawHistoricalLigaturesValue = true;
|
| - ligatureValues->append(cssValuePool().createIdentifierValue(value->id));
|
| - break;
|
| - case CSSValueNoContextual:
|
| - case CSSValueContextual:
|
| - if (sawContextualLigaturesValue)
|
| - return false;
|
| - sawContextualLigaturesValue = true;
|
| - ligatureValues->append(cssValuePool().createIdentifierValue(value->id));
|
| - break;
|
| - default:
|
| - return false;
|
| - }
|
| - }
|
| -
|
| - if (!ligatureValues->length())
|
| - return false;
|
| -
|
| - addProperty(CSSPropertyFontVariantLigatures, ligatureValues.release(), important);
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseCalculation(CSSParserValue* value, ValueRange range)
|
| -{
|
| - ASSERT(isCalculation(value));
|
| -
|
| - CSSParserTokenRange args = value->calcFunction->args;
|
| -
|
| - ASSERT(!m_parsedCalculation);
|
| - m_parsedCalculation = CSSCalcValue::create(args, range);
|
| -
|
| - if (!m_parsedCalculation)
|
| - return false;
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseFontFaceDescriptor(CSSPropertyID propId)
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - ASSERT(value);
|
| - CSSValueID id = value->id;
|
| - RefPtrWillBeRawPtr<CSSValue> parsedValue = nullptr;
|
| -
|
| - switch (propId) {
|
| - case CSSPropertyFontFamily:
|
| - // <family-name>
|
| - // TODO(rwlbuis): check there is only one family-name
|
| - parsedValue = parseFontFamily();
|
| - break;
|
| - case CSSPropertySrc: // This is a list of urls or local references.
|
| - parsedValue = parseFontFaceSrc();
|
| - break;
|
| - case CSSPropertyUnicodeRange:
|
| - parsedValue = parseFontFaceUnicodeRange();
|
| - break;
|
| - case CSSPropertyFontWeight: // normal | bold | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900
|
| - return parseFontWeight(false) && !m_valueList->next();
|
| - case CSSPropertyFontStretch:
|
| - case CSSPropertyFontStyle:
|
| - if (!CSSParserFastPaths::isValidKeywordPropertyAndValue(propId, id))
|
| - return false;
|
| - addProperty(propId, cssValuePool().createIdentifierValue(id), false);
|
| - return true;
|
| - case CSSPropertyFontVariant: // normal | small-caps | inherit
|
| - return parseFontVariant(false);
|
| - case CSSPropertyWebkitFontFeatureSettings:
|
| - if (id == CSSValueNormal) {
|
| - parsedValue = cssValuePool().createIdentifierValue(CSSValueNormal);
|
| - m_valueList->next();
|
| - } else {
|
| - parsedValue = parseFontFeatureSettings();
|
| - }
|
| - break;
|
| - default:
|
| - break;
|
| - }
|
| -
|
| - if (!parsedValue || m_valueList->current())
|
| - return false;
|
| -
|
| - addProperty(propId, parsedValue.release(), false);
|
| - return true;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseViewportProperty(CSSPropertyID propId, bool important)
|
| -{
|
| - ASSERT(RuntimeEnabledFeatures::cssViewportEnabled() || isUASheetBehavior(m_context.mode()));
|
| -
|
| - CSSParserValue* value = m_valueList->current();
|
| - if (!value)
|
| - return false;
|
| -
|
| - CSSValueID id = value->id;
|
| - bool validPrimitive = false;
|
| -
|
| - switch (propId) {
|
| - case CSSPropertyMinWidth: // auto | extend-to-zoom | <length> | <percentage>
|
| - case CSSPropertyMaxWidth:
|
| - case CSSPropertyMinHeight:
|
| - case CSSPropertyMaxHeight:
|
| - if (id == CSSValueAuto || id == CSSValueInternalExtendToZoom)
|
| - validPrimitive = true;
|
| - else
|
| - validPrimitive = validUnit(value, FLength | FPercent | FNonNeg);
|
| - break;
|
| - case CSSPropertyWidth: // shorthand
|
| - return parseViewportShorthand(propId, CSSPropertyMinWidth, CSSPropertyMaxWidth, important);
|
| - case CSSPropertyHeight:
|
| - return parseViewportShorthand(propId, CSSPropertyMinHeight, CSSPropertyMaxHeight, important);
|
| - case CSSPropertyMinZoom: // auto | <number> | <percentage>
|
| - case CSSPropertyMaxZoom:
|
| - case CSSPropertyZoom:
|
| - if (id == CSSValueAuto)
|
| - validPrimitive = true;
|
| - else
|
| - validPrimitive = validUnit(value, FNumber | FPercent | FNonNeg);
|
| - break;
|
| - case CSSPropertyUserZoom: // zoom | fixed
|
| - if (id == CSSValueZoom || id == CSSValueFixed)
|
| - validPrimitive = true;
|
| - break;
|
| - case CSSPropertyOrientation: // auto | portrait | landscape
|
| - if (id == CSSValueAuto || id == CSSValuePortrait || id == CSSValueLandscape)
|
| - validPrimitive = true;
|
| - default:
|
| - break;
|
| - }
|
| -
|
| - RefPtrWillBeRawPtr<CSSValue> parsedValue = nullptr;
|
| - if (validPrimitive) {
|
| - parsedValue = parseValidPrimitive(id, value);
|
| - m_valueList->next();
|
| - }
|
| -
|
| - if (parsedValue) {
|
| - if (!m_valueList->current() || inShorthand()) {
|
| - addProperty(propId, parsedValue.release(), important);
|
| - return true;
|
| - }
|
| - }
|
| -
|
| - return false;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseViewportShorthand(CSSPropertyID propId, CSSPropertyID first, CSSPropertyID second, bool important)
|
| -{
|
| - ASSERT(RuntimeEnabledFeatures::cssViewportEnabled() || isUASheetBehavior(m_context.mode()));
|
| - unsigned numValues = m_valueList->size();
|
| -
|
| - if (numValues > 2)
|
| - return false;
|
| -
|
| - ShorthandScope scope(this, propId);
|
| -
|
| - if (!parseViewportProperty(first, important))
|
| - return false;
|
| -
|
| - // If just one value is supplied, the second value
|
| - // is implicitly initialized with the first value.
|
| - if (numValues == 1)
|
| - m_valueList->previous();
|
| -
|
| - return parseViewportProperty(second, important);
|
| -}
|
| -
|
| -template <typename CharacterType>
|
| -static CSSPropertyID unresolvedCSSPropertyID(const CharacterType* propertyName, unsigned length)
|
| -{
|
| - char buffer[maxCSSPropertyNameLength + 1]; // 1 for null character
|
| -
|
| - for (unsigned i = 0; i != length; ++i) {
|
| - CharacterType c = propertyName[i];
|
| - if (c == 0 || c >= 0x7F)
|
| - return CSSPropertyInvalid; // illegal character
|
| - buffer[i] = toASCIILower(c);
|
| - }
|
| - buffer[length] = '\0';
|
| -
|
| - const char* name = buffer;
|
| - const Property* hashTableEntry = findProperty(name, length);
|
| - if (!hashTableEntry)
|
| - return CSSPropertyInvalid;
|
| - CSSPropertyID property = static_cast<CSSPropertyID>(hashTableEntry->id);
|
| - if (!CSSPropertyMetadata::isEnabledProperty(property))
|
| - return CSSPropertyInvalid;
|
| - return property;
|
| -}
|
| -
|
| -CSSPropertyID unresolvedCSSPropertyID(const String& string)
|
| -{
|
| - unsigned length = string.length();
|
| -
|
| - if (!length)
|
| - return CSSPropertyInvalid;
|
| - if (length > maxCSSPropertyNameLength)
|
| - return CSSPropertyInvalid;
|
| -
|
| - return string.is8Bit() ? unresolvedCSSPropertyID(string.characters8(), length) : unresolvedCSSPropertyID(string.characters16(), length);
|
| -}
|
| -
|
| -CSSPropertyID unresolvedCSSPropertyID(const CSSParserString& string)
|
| -{
|
| - unsigned length = string.length();
|
| -
|
| - if (!length)
|
| - return CSSPropertyInvalid;
|
| - if (length > maxCSSPropertyNameLength)
|
| - return CSSPropertyInvalid;
|
| -
|
| - return string.is8Bit() ? unresolvedCSSPropertyID(string.characters8(), length) : unresolvedCSSPropertyID(string.characters16(), length);
|
| -}
|
| -
|
| -template <typename CharacterType>
|
| -static CSSValueID cssValueKeywordID(const CharacterType* valueKeyword, unsigned length)
|
| -{
|
| - char buffer[maxCSSValueKeywordLength + 1]; // 1 for null character
|
| -
|
| - for (unsigned i = 0; i != length; ++i) {
|
| - CharacterType c = valueKeyword[i];
|
| - if (c == 0 || c >= 0x7F)
|
| - return CSSValueInvalid; // illegal character
|
| - buffer[i] = WTF::toASCIILower(c);
|
| - }
|
| - buffer[length] = '\0';
|
| -
|
| - const Value* hashTableEntry = findValue(buffer, length);
|
| - return hashTableEntry ? static_cast<CSSValueID>(hashTableEntry->id) : CSSValueInvalid;
|
| -}
|
| -
|
| -CSSValueID cssValueKeywordID(const CSSParserString& string)
|
| -{
|
| - unsigned length = string.length();
|
| - if (!length)
|
| - return CSSValueInvalid;
|
| - if (length > maxCSSValueKeywordLength)
|
| - return CSSValueInvalid;
|
| -
|
| - return string.is8Bit() ? cssValueKeywordID(string.characters8(), length) : cssValueKeywordID(string.characters16(), length);
|
| -}
|
| -
|
| -bool CSSPropertyParser::isSystemColor(CSSValueID id)
|
| -{
|
| - return (id >= CSSValueActiveborder && id <= CSSValueWindowtext) || id == CSSValueMenu;
|
| -}
|
| -
|
| -bool CSSPropertyParser::parseSVGValue(CSSPropertyID propId, bool important)
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| - ASSERT(value);
|
| -
|
| - CSSValueID id = value->id;
|
| -
|
| - bool validPrimitive = false;
|
| - RefPtrWillBeRawPtr<CSSValue> parsedValue = nullptr;
|
| -
|
| - switch (propId) {
|
| - /* The comment to the right defines all valid value of these
|
| - * properties as defined in SVG 1.1, Appendix N. Property index */
|
| - case CSSPropertyBaselineShift:
|
| - // baseline | super | sub | <percentage> | <length> | inherit
|
| - if (id == CSSValueBaseline || id == CSSValueSub || id == CSSValueSuper)
|
| - validPrimitive = true;
|
| - else
|
| - validPrimitive = validUnit(value, FLength | FPercent, SVGAttributeMode);
|
| - break;
|
| -
|
| - case CSSPropertyClipPath:
|
| - case CSSPropertyFilter:
|
| - case CSSPropertyMarkerStart:
|
| - case CSSPropertyMarkerMid:
|
| - case CSSPropertyMarkerEnd:
|
| - case CSSPropertyMask:
|
| - if (id == CSSValueNone) {
|
| - validPrimitive = true;
|
| - } else if (value->unit() == CSSPrimitiveValue::UnitType::URI) {
|
| - parsedValue = CSSPrimitiveValue::create(value->string, CSSPrimitiveValue::UnitType::URI);
|
| - if (parsedValue)
|
| - m_valueList->next();
|
| - }
|
| - break;
|
| -
|
| - case CSSPropertyStrokeMiterlimit: // <miterlimit> | inherit
|
| - validPrimitive = validUnit(value, FNumber | FNonNeg, SVGAttributeMode);
|
| - break;
|
| -
|
| - case CSSPropertyStrokeOpacity: // <opacity-value> | inherit
|
| - case CSSPropertyFillOpacity:
|
| - case CSSPropertyStopOpacity:
|
| - case CSSPropertyFloodOpacity:
|
| - validPrimitive = validUnit(value, FNumber | FPercent, SVGAttributeMode);
|
| - break;
|
| -
|
| - /* Start of supported CSS properties with validation. This is needed for parseShortHand to work
|
| - * correctly and allows optimization in applyRule(..)
|
| - */
|
| -
|
| - case CSSPropertyGlyphOrientationVertical: // auto | <angle> | inherit
|
| - if (id == CSSValueAuto) {
|
| - validPrimitive = true;
|
| - break;
|
| - }
|
| - /* fallthrough intentional */
|
| - case CSSPropertyGlyphOrientationHorizontal: // <angle> (restricted to _deg_ per SVG 1.1 spec) | inherit
|
| - if (value->unit() == CSSPrimitiveValue::UnitType::Degrees || value->unit() == CSSPrimitiveValue::UnitType::Number) {
|
| - parsedValue = CSSPrimitiveValue::create(value->fValue, CSSPrimitiveValue::UnitType::Degrees);
|
| -
|
| - if (parsedValue)
|
| - m_valueList->next();
|
| - }
|
| - break;
|
| -
|
| - case CSSPropertyFill: // <paint> | inherit
|
| - case CSSPropertyStroke: // <paint> | inherit
|
| - {
|
| - if (id == CSSValueNone) {
|
| - parsedValue = cssValuePool().createIdentifierValue(id);
|
| - } else if (value->unit() == CSSPrimitiveValue::UnitType::URI) {
|
| - if (m_valueList->next()) {
|
| - RefPtrWillBeRawPtr<CSSValueList> values = CSSValueList::createSpaceSeparated();
|
| - values->append(CSSPrimitiveValue::create(value->string, CSSPrimitiveValue::UnitType::URI));
|
| - if (m_valueList->current()->id == CSSValueNone)
|
| - parsedValue = cssValuePool().createIdentifierValue(m_valueList->current()->id);
|
| - else
|
| - parsedValue = parseColor(m_valueList->current());
|
| - if (parsedValue) {
|
| - values->append(parsedValue);
|
| - parsedValue = values;
|
| - }
|
| - }
|
| - if (!parsedValue)
|
| - parsedValue = CSSPrimitiveValue::create(value->string, CSSPrimitiveValue::UnitType::URI);
|
| - } else {
|
| - parsedValue = parseColor(m_valueList->current());
|
| - }
|
| -
|
| - if (parsedValue)
|
| - m_valueList->next();
|
| - }
|
| - break;
|
| -
|
| - case CSSPropertyStopColor: // TODO : icccolor
|
| - case CSSPropertyFloodColor:
|
| - case CSSPropertyLightingColor:
|
| - parsedValue = parseColor(m_valueList->current());
|
| - if (parsedValue)
|
| - m_valueList->next();
|
| -
|
| - break;
|
| -
|
| - case CSSPropertyPaintOrder:
|
| - if (m_valueList->size() == 1 && id == CSSValueNormal)
|
| - validPrimitive = true;
|
| - else if ((parsedValue = parsePaintOrder()))
|
| - m_valueList->next();
|
| - break;
|
| -
|
| - case CSSPropertyStrokeWidth: // <length> | inherit
|
| - case CSSPropertyStrokeDashoffset:
|
| - case CSSPropertyCx:
|
| - case CSSPropertyCy:
|
| - case CSSPropertyX:
|
| - case CSSPropertyY:
|
| - case CSSPropertyR:
|
| - case CSSPropertyRx:
|
| - case CSSPropertyRy:
|
| - validPrimitive = validUnit(value, FLength | FPercent, SVGAttributeMode);
|
| - break;
|
| - case CSSPropertyStrokeDasharray: // none | <dasharray> | inherit
|
| - if (id == CSSValueNone)
|
| - validPrimitive = true;
|
| - else
|
| - parsedValue = parseSVGStrokeDasharray();
|
| - break;
|
| -
|
| - /* shorthand properties */
|
| - case CSSPropertyMarker: {
|
| - ShorthandScope scope(this, propId);
|
| - CSSPropertyParser::ImplicitScope implicitScope(this);
|
| - if (!parseValue(CSSPropertyMarkerStart, important))
|
| - return false;
|
| - if (m_valueList->current()) {
|
| - rollbackLastProperties(1);
|
| - return false;
|
| - }
|
| - CSSValue* value = m_parsedProperties.last().value();
|
| - addProperty(CSSPropertyMarkerMid, value, important);
|
| - addProperty(CSSPropertyMarkerEnd, value, important);
|
| - return true;
|
| - }
|
| - default:
|
| - // If you crash here, it's because you added a css property and are not handling it
|
| - // in either this switch statement or the one in CSSPropertyParser::parseValue
|
| - ASSERT_WITH_MESSAGE(0, "unimplemented propertyID: %d", propId);
|
| - return false;
|
| - }
|
| -
|
| - if (validPrimitive) {
|
| - if (id)
|
| - parsedValue = CSSPrimitiveValue::createIdentifier(id);
|
| - else if (value->unit() == CSSPrimitiveValue::UnitType::String)
|
| - parsedValue = CSSPrimitiveValue::create(value->string, value->unit());
|
| - else if (value->unit() >= CSSPrimitiveValue::UnitType::Number && value->unit() <= CSSPrimitiveValue::UnitType::Kilohertz)
|
| - parsedValue = CSSPrimitiveValue::create(value->fValue, value->unit());
|
| - else if (value->unit() == CSSPrimitiveValue::UnitType::Rems || value->unit() == CSSPrimitiveValue::UnitType::Chs)
|
| - parsedValue = CSSPrimitiveValue::create(value->fValue, value->unit());
|
| - else if (value->unit() == CSSPrimitiveValue::UnitType::QuirkyEms)
|
| - parsedValue = CSSPrimitiveValue::create(value->fValue, CSSPrimitiveValue::UnitType::QuirkyEms);
|
| - if (isCalculation(value)) {
|
| - // FIXME calc() http://webkit.org/b/16662 : actually create a CSSPrimitiveValue here, ie
|
| - // parsedValue = CSSPrimitiveValue::create(m_parsedCalculation.release());
|
| - m_parsedCalculation.release();
|
| - parsedValue = nullptr;
|
| - }
|
| - m_valueList->next();
|
| - }
|
| - if (!parsedValue || (m_valueList->current() && !inShorthand()))
|
| - return false;
|
| -
|
| - addProperty(propId, parsedValue.release(), important);
|
| - return true;
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseSVGStrokeDasharray()
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> ret = CSSValueList::createCommaSeparated();
|
| - CSSParserValue* value = m_valueList->current();
|
| - bool validPrimitive = true;
|
| - while (value) {
|
| - validPrimitive = validUnit(value, FLength | FPercent | FNonNeg, SVGAttributeMode);
|
| - if (!validPrimitive)
|
| - break;
|
| - if (value->id)
|
| - ret->append(CSSPrimitiveValue::createIdentifier(value->id));
|
| - else if (value->unit() >= CSSPrimitiveValue::UnitType::Number && value->unit() <= CSSPrimitiveValue::UnitType::Kilohertz)
|
| - ret->append(CSSPrimitiveValue::create(value->fValue, value->unit()));
|
| - else if (value->unit() == CSSPrimitiveValue::UnitType::Rems || value->unit() == CSSPrimitiveValue::UnitType::Chs)
|
| - ret->append(CSSPrimitiveValue::create(value->fValue, value->unit()));
|
| - value = m_valueList->next();
|
| - bool commaConsumed = consumeComma(m_valueList);
|
| - value = m_valueList->current();
|
| - if (commaConsumed && !value)
|
| - return nullptr;
|
| - }
|
| - if (!validPrimitive)
|
| - return nullptr;
|
| - return ret.release();
|
| -}
|
| -
|
| -// normal | [ fill || stroke || markers ]
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parsePaintOrder() const
|
| -{
|
| - if (m_valueList->size() > 3)
|
| - return nullptr;
|
| -
|
| - CSSParserValue* value = m_valueList->current();
|
| - ASSERT(value);
|
| -
|
| - Vector<CSSValueID, 3> paintTypeList;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> fill = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> stroke = nullptr;
|
| - RefPtrWillBeRawPtr<CSSPrimitiveValue> markers = nullptr;
|
| - while (value) {
|
| - if (value->id == CSSValueFill && !fill)
|
| - fill = CSSPrimitiveValue::createIdentifier(value->id);
|
| - else if (value->id == CSSValueStroke && !stroke)
|
| - stroke = CSSPrimitiveValue::createIdentifier(value->id);
|
| - else if (value->id == CSSValueMarkers && !markers)
|
| - markers = CSSPrimitiveValue::createIdentifier(value->id);
|
| - else
|
| - return nullptr;
|
| - paintTypeList.append(value->id);
|
| - value = m_valueList->next();
|
| - }
|
| -
|
| - // After parsing we serialize the paint-order list. Since it is not possible to
|
| - // pop a last list items from CSSValueList without bigger cost, we create the
|
| - // list after parsing.
|
| - CSSValueID firstPaintOrderType = paintTypeList.at(0);
|
| - RefPtrWillBeRawPtr<CSSValueList> paintOrderList = CSSValueList::createSpaceSeparated();
|
| - switch (firstPaintOrderType) {
|
| - case CSSValueFill:
|
| - case CSSValueStroke:
|
| - paintOrderList->append(firstPaintOrderType == CSSValueFill ? fill.release() : stroke.release());
|
| - if (paintTypeList.size() > 1) {
|
| - if (paintTypeList.at(1) == CSSValueMarkers)
|
| - paintOrderList->append(markers.release());
|
| - }
|
| - break;
|
| - case CSSValueMarkers:
|
| - paintOrderList->append(markers.release());
|
| - if (paintTypeList.size() > 1) {
|
| - if (paintTypeList.at(1) == CSSValueStroke)
|
| - paintOrderList->append(stroke.release());
|
| - }
|
| - break;
|
| - default:
|
| - ASSERT_NOT_REACHED();
|
| - }
|
| -
|
| - return paintOrderList.release();
|
| -}
|
| -
|
| -class TransformOperationInfo {
|
| -public:
|
| - TransformOperationInfo(CSSValueID id)
|
| - : m_validID(true)
|
| - , m_allowSingleArgument(false)
|
| - , m_argCount(1)
|
| - , m_unit(CSSPropertyParser::FUnknown)
|
| - {
|
| - switch (id) {
|
| - case CSSValueSkew:
|
| - m_unit = CSSPropertyParser::FAngle;
|
| - m_allowSingleArgument = true;
|
| - m_argCount = 3;
|
| - break;
|
| - case CSSValueScale:
|
| - m_unit = CSSPropertyParser::FNumber;
|
| - m_allowSingleArgument = true;
|
| - m_argCount = 3;
|
| - break;
|
| - case CSSValueSkewX:
|
| - m_unit = CSSPropertyParser::FAngle;
|
| - break;
|
| - case CSSValueSkewY:
|
| - m_unit = CSSPropertyParser::FAngle;
|
| - break;
|
| - case CSSValueMatrix:
|
| - m_unit = CSSPropertyParser::FNumber;
|
| - m_argCount = 11;
|
| - break;
|
| - case CSSValueRotate:
|
| - m_unit = CSSPropertyParser::FAngle;
|
| - break;
|
| - case CSSValueScaleX:
|
| - m_unit = CSSPropertyParser::FNumber;
|
| - break;
|
| - case CSSValueScaleY:
|
| - m_unit = CSSPropertyParser::FNumber;
|
| - break;
|
| - case CSSValueScaleZ:
|
| - m_unit = CSSPropertyParser::FNumber;
|
| - break;
|
| - case CSSValueScale3d:
|
| - m_unit = CSSPropertyParser::FNumber;
|
| - m_argCount = 5;
|
| - break;
|
| - case CSSValueRotateX:
|
| - m_unit = CSSPropertyParser::FAngle;
|
| - break;
|
| - case CSSValueRotateY:
|
| - m_unit = CSSPropertyParser::FAngle;
|
| - break;
|
| - case CSSValueRotateZ:
|
| - m_unit = CSSPropertyParser::FAngle;
|
| - break;
|
| - case CSSValueMatrix3d:
|
| - m_unit = CSSPropertyParser::FNumber;
|
| - m_argCount = 31;
|
| - break;
|
| - case CSSValueRotate3d:
|
| - m_unit = CSSPropertyParser::FNumber;
|
| - m_argCount = 7;
|
| - break;
|
| - case CSSValueTranslate:
|
| - m_unit = CSSPropertyParser::FLength | CSSPropertyParser::FPercent;
|
| - m_allowSingleArgument = true;
|
| - m_argCount = 3;
|
| - break;
|
| - case CSSValueTranslateX:
|
| - m_unit = CSSPropertyParser::FLength | CSSPropertyParser::FPercent;
|
| - break;
|
| - case CSSValueTranslateY:
|
| - m_unit = CSSPropertyParser::FLength | CSSPropertyParser::FPercent;
|
| - break;
|
| - case CSSValueTranslateZ:
|
| - m_unit = CSSPropertyParser::FLength | CSSPropertyParser::FPercent;
|
| - break;
|
| - case CSSValuePerspective:
|
| - m_unit = CSSPropertyParser::FNumber;
|
| - break;
|
| - case CSSValueTranslate3d:
|
| - m_unit = CSSPropertyParser::FLength | CSSPropertyParser::FPercent;
|
| - m_argCount = 5;
|
| - break;
|
| - default:
|
| - m_validID = false;
|
| - break;
|
| - }
|
| - }
|
| -
|
| - bool validID() const { return m_validID; }
|
| - unsigned argCount() const { return m_argCount; }
|
| - CSSPropertyParser::Units unit() const { return m_unit; }
|
| -
|
| - bool hasCorrectArgCount(unsigned argCount) { return m_argCount == argCount || (m_allowSingleArgument && argCount == 1); }
|
| -
|
| -private:
|
| - bool m_validID;
|
| - bool m_allowSingleArgument;
|
| - unsigned m_argCount;
|
| - CSSPropertyParser::Units m_unit;
|
| -};
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValueList> CSSPropertyParser::parseTransform(bool useLegacyParsing)
|
| -{
|
| - if (!m_valueList)
|
| - return nullptr;
|
| -
|
| - RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
|
| - for (CSSParserValue* value = m_valueList->current(); value; value = m_valueList->next()) {
|
| - RefPtrWillBeRawPtr<CSSValue> parsedTransformValue = parseTransformValue(useLegacyParsing, value);
|
| - if (!parsedTransformValue)
|
| - return nullptr;
|
| -
|
| - list->append(parsedTransformValue.release());
|
| - }
|
| -
|
| - return list.release();
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseTransformValue(bool useLegacyParsing, CSSParserValue *value)
|
| -{
|
| - if (value->m_unit != CSSParserValue::Function || !value->function)
|
| - return nullptr;
|
| -
|
| - // Every primitive requires at least one argument.
|
| - CSSParserValueList* args = value->function->args.get();
|
| - if (!args)
|
| - return nullptr;
|
| -
|
| - // See if the specified primitive is one we understand.
|
| - CSSValueID type = value->function->id;
|
| - TransformOperationInfo info(type);
|
| - if (!info.validID())
|
| - return nullptr;
|
| -
|
| - if (!info.hasCorrectArgCount(args->size()))
|
| - return nullptr;
|
| -
|
| - // The transform is a list of functional primitives that specify transform operations.
|
| - // We collect a list of CSSFunctionValues, where each value specifies a single operation.
|
| -
|
| - // Create the new CSSFunctionValue for this operation and add it to our list.
|
| - RefPtrWillBeRawPtr<CSSFunctionValue> transformValue = CSSFunctionValue::create(type);
|
| -
|
| - // Snag our values.
|
| - CSSParserValue* a = args->current();
|
| - unsigned argNumber = 0;
|
| - while (a) {
|
| - CSSPropertyParser::Units unit = info.unit();
|
| -
|
| - if (type == CSSValueRotate3d && argNumber == 3) {
|
| - // 4th param of rotate3d() is an angle rather than a bare number, validate it as such
|
| - if (!validUnit(a, FAngle, HTMLStandardMode))
|
| - return nullptr;
|
| - } else if (type == CSSValueTranslate3d && argNumber == 2) {
|
| - // 3rd param of translate3d() cannot be a percentage
|
| - if (!validUnit(a, FLength, HTMLStandardMode))
|
| - return nullptr;
|
| - } else if (type == CSSValueTranslateZ && !argNumber) {
|
| - // 1st param of translateZ() cannot be a percentage
|
| - if (!validUnit(a, FLength, HTMLStandardMode))
|
| - return nullptr;
|
| - } else if (type == CSSValuePerspective && !argNumber) {
|
| - // 1st param of perspective() must be a non-negative number (deprecated) or length.
|
| - if (!validUnit(a, FLength | FNonNeg, HTMLStandardMode)) {
|
| - if (useLegacyParsing && validUnit(a, FNumber | FNonNeg, HTMLStandardMode)) {
|
| - a->setUnit(CSSPrimitiveValue::UnitType::Pixels);
|
| - } else {
|
| - return nullptr;
|
| - }
|
| - }
|
| - } else if (!validUnit(a, unit, HTMLStandardMode)) {
|
| - return nullptr;
|
| - }
|
| -
|
| - // Add the value to the current transform operation.
|
| - transformValue->append(createPrimitiveNumericValue(a));
|
| -
|
| - a = args->next();
|
| - if (!a)
|
| - break;
|
| - if (!isComma(a))
|
| - return nullptr;
|
| - a = args->next();
|
| -
|
| - argNumber++;
|
| - }
|
| -
|
| - return transformValue.release();
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseMotionPath()
|
| -{
|
| - CSSParserValue* value = m_valueList->current();
|
| -
|
| - // FIXME: Add support for <url>, <basic-shape>, <geometry-box>.
|
| - if (value->m_unit != CSSParserValue::Function || value->function->id != CSSValuePath)
|
| - return nullptr;
|
| -
|
| - // FIXME: Add support for <fill-rule>.
|
| - CSSParserValueList* functionArgs = value->function->args.get();
|
| - if (!functionArgs || functionArgs->size() != 1 || !functionArgs->current())
|
| - return nullptr;
|
| -
|
| - CSSParserValue* arg = functionArgs->current();
|
| - if (arg->unit() != CSSPrimitiveValue::UnitType::String)
|
| - return nullptr;
|
| -
|
| - String pathString = arg->string;
|
| - Path path;
|
| - if (!buildPathFromString(pathString, path))
|
| - return nullptr;
|
| -
|
| - m_valueList->next();
|
| - return CSSPathValue::create(pathString);
|
| -}
|
| -
|
| -PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseMotionRotation()
|
| -{
|
| - RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
|
| - bool hasAutoOrReverse = false;
|
| - bool hasAngle = false;
|
| -
|
| - for (CSSParserValue* value = m_valueList->current(); value; value = m_valueList->next()) {
|
| - if ((value->id == CSSValueAuto || value->id == CSSValueReverse) && !hasAutoOrReverse) {
|
| - list->append(cssValuePool().createIdentifierValue(value->id));
|
| - hasAutoOrReverse = true;
|
| - } else if (!hasAngle && validUnit(value, FAngle)) {
|
| - list->append(createPrimitiveNumericValue(value));
|
| - hasAngle = true;
|
| - } else {
|
| - break;
|
| - }
|
| - }
|
| -
|
| - if (!list->length())
|
| - return nullptr;
|
| -
|
| - return list.release();
|
| }
|
|
|
| } // namespace blink
|
|
|