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Issue #2489: color-mix function parsing

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erixreyes 2025-07-19 12:32:43 +08:00 • committed by roytam1
commit 7899850a19
1 changed files with 56 additions and 0 deletions
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56
layout/style/nsCSSParser.cpp
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@ -7444,6 +7444,62 @@ CSSParserImpl::ParseColor(nsCSSValue& aValue)
}
break;
case eCSSToken_Function: {
// check for color-mix function
if (mToken.mIdent.LowerCaseEqualsLiteral("color-mix")) {
// parse color-mix function
RefPtr<mozilla::css::ColorMixValue> colorMix = new mozilla::css::ColorMixValue(
mozilla::css::ColorMixColorSpace::sRGB, nsCSSValue(), nsCSSValue());
if (!GetToken(true)) {
SkipUntil(')');
return CSSParseResult::Error;
}
if (mToken.mType != eCSSToken_Ident || !mToken.mIdent.LowerCaseEqualsLiteral("in")) {
SkipUntil(')');
return CSSParseResult::Error;
}
if (!GetToken(true) || mToken.mType != eCSSToken_Ident || !mToken.mIdent.LowerCaseEqualsLiteral("srgb")) {
SkipUntil(')');
return CSSParseResult::Error;
}
colorMix->mColorSpace = mozilla::css::ColorMixColorSpace::sRGB;
if (!ExpectSymbol(',', true)) {
SkipUntil(')');
return CSSParseResult::Error;
}
nsCSSValue color1;
if (ParseColor(color1) != CSSParseResult::Ok) {
SkipUntil(')');
return CSSParseResult::Error;
}
colorMix->mColor1 = color1;
if (!ExpectSymbol(',', true)) {
SkipUntil(')');
return CSSParseResult::Error;
}
nsCSSValue color2;
if (ParseColor(color2) != CSSParseResult::Ok) {
SkipUntil(')');
return CSSParseResult::Error;
}
colorMix->mColor2 = color2;
if (!ExpectSymbol(')', true)) {
SkipUntil(')');
return CSSParseResult::Error;
}
aValue.SetColorMixValue(colorMix.forget());
return CSSParseResult::Ok;
}
bool isRGB;
bool isHSL;
if ((isRGB = mToken.mIdent.LowerCaseEqualsLiteral("rgb")) ||