Index: third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp |
diff --git a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp |
index 5d73210fff7c5d6fe4b1556c003ccbd3d01e95eb..9440feca619976def34519e99155653386d08862 100644 |
--- a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp |
+++ b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp |
@@ -358,6 +358,167 @@ static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> consumeTime(CSSParserTokenRange |
return nullptr; |
} |
+static inline int colorIntFromValue(double value, bool isPercent) |
+{ |
Timothy Loh
2015/10/26 05:23:09
Both IE and FF round instead of truncating, and mu
rwlbuis
2015/10/26 22:21:24
Done.
|
+ 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); |
+} |
+ |
+static bool parseColorParameters(CSSParserTokenRange& range, int* colorArray, bool parseAlpha) |
+{ |
+ ASSERT(range.peek().type() == FunctionToken); |
Timothy Loh
2015/10/26 05:23:09
I think consumeFunction asserts this
rwlbuis
2015/10/26 22:21:24
Done.
|
+ CSSParserTokenRange args = consumeFunction(range); |
+ // Get the first value and its type |
+ RefPtrWillBeRawPtr<CSSPrimitiveValue> colorParameter = consumeInteger(args); |
+ if (!colorParameter) |
+ colorParameter = consumePercent(args, ValueRangeAll); |
+ if (!colorParameter) |
+ return false; |
+ |
+ const bool isPercent = colorParameter->isPercentage(); |
+ colorArray[0] = colorIntFromValue(colorParameter->getDoubleValue(), isPercent); |
+ for (int i = 1; i < 3; i++) { |
+ if (!consumeCommaIncludingWhitespace(args)) |
+ return false; |
+ colorParameter = consumeInteger(args); |
Timothy Loh
2015/10/26 05:23:09
I'd prefer:
= isPercent ? consumePercent(args, Va
rwlbuis
2015/10/26 22:21:24
Way better, done.
|
+ if (!colorParameter) |
+ colorParameter = consumePercent(args, ValueRangeAll); |
+ if (!colorParameter || colorParameter->isPercentage() != isPercent) |
+ return false; |
+ colorArray[i] = colorIntFromValue(colorParameter->getDoubleValue(), isPercent); |
+ } |
+ if (parseAlpha) { |
+ if (!consumeCommaIncludingWhitespace(args)) |
+ return false; |
+ RefPtrWillBeRawPtr<CSSPrimitiveValue> alphaValue = consumeNumber(args, ValueRangeAll); |
+ if (!alphaValue) |
+ return false; |
+ double doubleValue = alphaValue->getDoubleValue(); |
+ // 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, doubleValue)) * nextafter(256.0, 0.0)); |
+ } |
+ return args.atEnd(); |
+} |
+ |
+static bool parseHSLParameters(CSSParserTokenRange& range, double* colorArray, bool parseAlpha) |
+{ |
+ // Get the first value |
Timothy Loh
2015/10/26 05:23:09
I don't think this comment is useful
rwlbuis
2015/10/26 22:21:24
Done.
|
+ ASSERT(range.peek().type() == FunctionToken); |
+ CSSParserTokenRange args = consumeFunction(range); |
+ RefPtrWillBeRawPtr<CSSPrimitiveValue> hslValue = consumeNumber(args, ValueRangeAll); |
+ if (!hslValue) |
+ return false; |
+ // normalize the Hue value and change it to be between 0 and 1.0 |
Timothy Loh
2015/10/26 05:23:09
I don't think this comment is useful either
rwlbuis
2015/10/26 22:21:24
Done.
|
+ colorArray[0] = (((static_cast<int>(hslValue->getDoubleValue()) % 360) + 360) % 360) / 360.0; |
Timothy Loh
2015/10/26 05:23:09
we can probably drop the static_cast here
rwlbuis
2015/10/26 22:21:24
You mean using getIntValue right? Done.
|
+ for (int i = 1; i < 3; i++) { |
+ if (!consumeCommaIncludingWhitespace(args)) |
+ return false; |
+ hslValue = consumePercent(args, ValueRangeAll); |
+ if (!hslValue) |
+ return false; |
+ double doubleValue = hslValue->getDoubleValue(); |
+ colorArray[i] = std::max(0.0, std::min(100.0, doubleValue)) / 100.0; // needs to be value between 0 and 1.0 |
+ } |
+ if (parseAlpha) { |
+ if (!consumeCommaIncludingWhitespace(args)) |
+ return false; |
+ hslValue = consumeNumber(args, ValueRangeAll); |
+ if (!hslValue) |
+ return false; |
+ double doubleValue = hslValue->getDoubleValue(); |
+ colorArray[3] = std::max(0.0, std::min(1.0, doubleValue)); |
+ } |
+ return args.atEnd(); |
+} |
+ |
+static bool parseColorFromValue(CSSParserTokenRange& range, RGBA32& result, bool acceptQuirkyColors) |
+{ |
+ const CSSParserToken& token = range.peek(); |
+ if (acceptQuirkyColors && token.type() == NumberToken && token.numericValueType() == IntegerValueType |
+ && token.numericValue() >= 0. && token.numericValue() < 1000000.) { |
+ String str = String::format("%06d", static_cast<int>(token.numericValue())); |
+ if (!Color::parseHexColor(str, result)) |
+ return false; |
+ range.consumeIncludingWhitespace(); |
+ return true; |
+ } |
+ if (acceptQuirkyColors && token.type() == DimensionToken) { |
+ String color = token.value(); |
Timothy Loh
2015/10/26 05:23:09
Don't we need to prepend the numeric value to this
rwlbuis
2015/10/26 22:21:24
Yeah, sorry. I changes color-quirk.html test to ca
|
+ if (color.length() > 6) |
+ return false; |
+ while (color.length() < 6) |
+ color = "0" + color; |
+ range.consumeIncludingWhitespace(); |
+ return Color::parseHexColor(color, result); |
+ } |
+ if (token.type() == IdentToken) { |
+ Color color; |
+ if (color.setNamedColor(token.value())) |
Timothy Loh
2015/10/26 05:23:09
isn't this covered by isColorKeyword in the callin
rwlbuis
2015/10/26 22:21:24
Well spotted! I guess the original code has the sa
|
+ result = color.rgb(); |
+ else if (!acceptQuirkyColors || !Color::parseHexColor(token.value(), result)) |
+ return false; |
+ range.consumeIncludingWhitespace(); |
+ return true; |
+ } |
+ if (token.type() == HashToken) { |
+ CSSParserString string = range.consumeIncludingWhitespace().value(); |
+ if (string.is8Bit()) |
+ return Color::parseHexColor(string.characters8(), string.length(), result); |
+ return Color::parseHexColor(string.characters16(), string.length(), result); |
+ } |
+ if (token.functionId() == CSSValueRgb) { |
+ int colorValues[3]; |
+ if (!parseColorParameters(range, colorValues, false)) |
+ return false; |
+ result = makeRGB(colorValues[0], colorValues[1], colorValues[2]); |
+ } else if (token.functionId() == CSSValueRgba) { |
+ int colorValues[4]; |
+ if (!parseColorParameters(range, colorValues, true)) |
+ return false; |
+ result = makeRGBA(colorValues[0], colorValues[1], colorValues[2], colorValues[3]); |
+ } else if (token.functionId() == CSSValueHsl) { |
+ double colorValues[3]; |
+ if (!parseHSLParameters(range, colorValues, false)) |
+ return false; |
+ result = makeRGBAFromHSLA(colorValues[0], colorValues[1], colorValues[2], 1.0); |
+ } else if (token.functionId() == CSSValueHsla) { |
+ double colorValues[4]; |
+ if (!parseHSLParameters(range, colorValues, true)) |
+ return false; |
+ result = makeRGBAFromHSLA(colorValues[0], colorValues[1], colorValues[2], colorValues[3]); |
+ } else { |
+ return false; |
+ } |
+ |
+ return true; |
+} |
+ |
+static PassRefPtrWillBeRawPtr<CSSValue> consumeColor(CSSParserTokenRange& range, const CSSParserContext& context, bool acceptQuirkyColors = false) |
+{ |
+ CSSValueID id = range.peek().id(); |
+ if (CSSPropertyParser::isColorKeyword(id)) { |
+ if (!isValueAllowedInMode(id, context.mode())) |
+ return nullptr; |
+ return consumeIdent(range); |
+ } |
+ RGBA32 c = Color::transparent; |
+ if (!parseColorFromValue(range, c, acceptQuirkyColors)) |
Timothy Loh
2015/10/26 05:23:09
There are a few places where we're updating the ra
rwlbuis
2015/10/26 22:21:24
Done.
|
+ return nullptr; |
+ return cssValuePool().createColorValue(c); |
+} |
+ |
static inline bool isCSSWideKeyword(const CSSValueID& id) |
{ |
return id == CSSValueInitial || id == CSSValueInherit || id == CSSValueUnset || id == CSSValueDefault; |
@@ -1307,6 +1468,11 @@ PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseSingleValue(CSSProperty |
case CSSPropertyOrphans: |
case CSSPropertyWidows: |
return consumeWidowsOrOrphans(m_range); |
+ case CSSPropertyWebkitTextFillColor: |
+ case CSSPropertyWebkitTapHighlightColor: |
+ return consumeColor(m_range, m_context); |
+ case CSSPropertyColor: |
+ return consumeColor(m_range, m_context, inQuirksMode()); |
default: |
return nullptr; |
} |