Index: Source/core/css/parser/CSSPropertyParser.cpp |
diff --git a/Source/core/css/parser/CSSPropertyParser.cpp b/Source/core/css/parser/CSSPropertyParser.cpp |
index e1f79d30d75d0cf1591f02e91a98c9279f57ece4..62044389ce506c797d319083e16b7c645c300d49 100644 |
--- a/Source/core/css/parser/CSSPropertyParser.cpp |
+++ b/Source/core/css/parser/CSSPropertyParser.cpp |
@@ -51,6 +51,7 @@ |
#include "core/css/CSSTimingFunctionValue.h" |
#include "core/css/CSSUnicodeRangeValue.h" |
#include "core/css/CSSValuePool.h" |
+#include "core/css/CSSVariableValue.h" |
#include "core/css/Counter.h" |
#include "core/css/HashTools.h" |
#include "core/css/Pair.h" |
@@ -213,6 +214,9 @@ bool CSSPropertyParser::validCalculationUnit(CSSParserValue* value, Units unitfl |
case CalcFrequency: |
b = (unitflags & FFrequency); |
break; |
+ case CalcVariable: |
+ b = true; |
+ break; |
case CalcOther: |
break; |
} |
@@ -235,6 +239,9 @@ bool CSSPropertyParser::validUnit(CSSParserValue* value, Units unitflags, CSSPar |
if (isCalculation(value)) |
return validCalculationUnit(value, unitflags, releaseCalc); |
+ if (RuntimeEnabledFeatures::cssVariablesEnabled() && isVariableReference(value)) |
+ return true; |
+ |
if (unitflags & FNonNeg && value->fValue < 0) |
return false; |
switch (value->unit) { |
@@ -294,6 +301,8 @@ PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::createPrimitiveNume |
ASSERT(isCalculation(value)); |
return CSSPrimitiveValue::create(m_parsedCalculation.release()); |
} |
+ if (isVariableReference(value)) |
+ return createPrimitiveVariableReferenceValue(value); |
ASSERT((value->unit >= CSSPrimitiveValue::CSS_NUMBER && value->unit <= CSSPrimitiveValue::CSS_KHZ) |
|| (value->unit >= CSSPrimitiveValue::CSS_TURN && value->unit <= CSSPrimitiveValue::CSS_CHS) |
@@ -302,6 +311,12 @@ PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::createPrimitiveNume |
return cssValuePool().createValue(value->fValue, static_cast<CSSPrimitiveValue::UnitType>(value->unit)); |
} |
+inline PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::createPrimitiveVariableReferenceValue(CSSParserValue* value) |
+{ |
+ ASSERT(value->unit == CSSParserValue::VariableValue); |
+ return CSSPrimitiveValue::create(value->variableData); |
+} |
+ |
inline PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::createPrimitiveStringValue(CSSParserValue* value) |
{ |
ASSERT(value->unit == CSSPrimitiveValue::CSS_STRING || value->unit == CSSPrimitiveValue::CSS_IDENT); |
@@ -392,6 +407,8 @@ inline PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::parseValidPr |
return CSSPrimitiveValue::createAllowingMarginQuirk(value->fValue, CSSPrimitiveValue::CSS_EMS); |
if (isCalculation(value)) |
return CSSPrimitiveValue::create(m_parsedCalculation.release()); |
+ if (isVariableReference(value)) |
+ return createPrimitiveVariableReferenceValue(value); |
return nullptr; |
} |
@@ -441,8 +458,16 @@ bool CSSPropertyParser::parseValue(CSSPropertyID unresolvedProperty, bool import |
return true; |
} |
+ |
int num = inShorthand() ? 1 : m_valueList->size(); |
+ if (RuntimeEnabledFeatures::cssVariablesEnabled() && isVariableReference(value)) { |
+ // We don't expand the shorthand here because crazypants. |
+ m_parsedProperties.append(CSSProperty(propId, createPrimitiveVariableReferenceValue(value), important, false, 0, m_implicitShorthand)); |
alancutter (OOO until 2018)
2015/06/26 06:56:07
Is this the only call to createPrimitiveVariableRe
|
+ m_valueList->next(); |
+ return true; |
+ } |
+ |
if (CSSParserFastPaths::isKeywordPropertyID(propId)) { |
if (!CSSParserFastPaths::isValidKeywordPropertyAndValue(propId, id)) |
return false; |
@@ -1563,7 +1588,6 @@ bool CSSPropertyParser::parseValue(CSSPropertyID unresolvedProperty, bool import |
case CSSPropertyUserZoom: |
validPrimitive = false; |
break; |
- |
case CSSPropertyScrollSnapPointsX: |
case CSSPropertyScrollSnapPointsY: |
parsedValue = parseScrollSnapPoints(); |
@@ -1573,8 +1597,6 @@ bool CSSPropertyParser::parseValue(CSSPropertyID unresolvedProperty, bool import |
break; |
case CSSPropertyScrollSnapDestination: |
parsedValue = parsePosition(m_valueList); |
- break; |
alancutter (OOO until 2018)
2015/06/26 06:56:08
Accidental removal?
|
- |
default: |
return parseSVGValue(propId, important); |
} |
@@ -4943,6 +4965,11 @@ bool CSSPropertyParser::isCalculation(CSSParserValue* value) |
|| value->function->id == CSSValueWebkitCalc); |
} |
+bool CSSPropertyParser::isVariableReference(CSSParserValue* value) |
+{ |
+ return value->unit == CSSParserValue::VariableValue; |
+} |
+ |
inline int CSSPropertyParser::colorIntFromValue(CSSParserValue* v) |
{ |
bool isPercent; |
@@ -5311,15 +5338,19 @@ PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseReflect() |
// 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; |
+ if (isVariableReference(val)) { |
+ direction = createPrimitiveVariableReferenceValue(val); |
+ } else { |
+ switch (val->id) { |
+ case CSSValueAbove: |
+ case CSSValueBelow: |
+ case CSSValueLeft: |
+ case CSSValueRight: |
+ direction = cssValuePool().createIdentifierValue(val->id); |
+ break; |
+ default: |
+ return nullptr; |
+ } |
} |
// The offset comes next. |
@@ -7579,22 +7610,34 @@ bool CSSPropertyParser::parseViewportShorthand(CSSPropertyID propId, CSSProperty |
} |
template <typename CharacterType> |
+static bool isVariableDefinition(const CharacterType* propertyName, unsigned length) |
+{ |
+ return (length >= 2 && propertyName[0] == '-' && propertyName[1] == '-'); |
+} |
+ |
+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) |
+ if (c == 0 || c >= 0x7F) { |
+ if (isVariableDefinition(propertyName, length)) |
+ return CSSPropertyVariable; |
return CSSPropertyInvalid; // illegal character |
+ } |
buffer[i] = toASCIILower(c); |
} |
buffer[length] = '\0'; |
const char* name = buffer; |
const Property* hashTableEntry = findProperty(name, length); |
- if (!hashTableEntry) |
+ if (!hashTableEntry) { |
+ if (isVariableDefinition(propertyName, length)) |
+ return CSSPropertyVariable; |
return CSSPropertyInvalid; |
+ } |
CSSPropertyID property = static_cast<CSSPropertyID>(hashTableEntry->id); |
if (!CSSPropertyMetadata::isEnabledProperty(property)) |
return CSSPropertyInvalid; |
@@ -7607,8 +7650,11 @@ CSSPropertyID unresolvedCSSPropertyID(const String& string) |
if (!length) |
return CSSPropertyInvalid; |
- if (length > maxCSSPropertyNameLength) |
+ if (length > maxCSSPropertyNameLength) { |
+ if (string.is8Bit() ? isVariableDefinition(string.characters8(), length) : isVariableDefinition(string.characters16(), length)) |
+ return CSSPropertyVariable; |
return CSSPropertyInvalid; |
+ } |
return string.is8Bit() ? unresolvedCSSPropertyID(string.characters8(), length) : unresolvedCSSPropertyID(string.characters16(), length); |
} |
@@ -7619,8 +7665,11 @@ CSSPropertyID unresolvedCSSPropertyID(const CSSParserString& string) |
if (!length) |
return CSSPropertyInvalid; |
- if (length > maxCSSPropertyNameLength) |
+ if (length > maxCSSPropertyNameLength) { |
+ if (string.is8Bit() ? isVariableDefinition(string.characters8(), length) : isVariableDefinition(string.characters16(), length)) |
+ return CSSPropertyVariable; |
return CSSPropertyInvalid; |
+ } |
return string.is8Bit() ? unresolvedCSSPropertyID(string.characters8(), length) : unresolvedCSSPropertyID(string.characters16(), length); |
} |