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// Copyright 2014 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/CSSParser.h"
#include "core/css/CSSKeyframeRule.h"
#include "core/css/StyleColor.h"
#include "core/css/StyleRule.h"
#include "core/css/StyleSheetContents.h"
#include "core/css/parser/CSSParserFastPaths.h"
#include "core/css/parser/CSSParserImpl.h"
#include "core/css/parser/CSSSelectorParser.h"
#include "core/css/parser/CSSTokenizer.h"
namespace blink {
CSSParser::CSSParser(const CSSParserContext& context)
: m_bisonParser(context)
{
}
bool CSSParser::parseDeclaration(MutableStylePropertySet* propertySet, const String& declaration, CSSParserObserver* observer, StyleSheetContents* styleSheet)
{
// FIXME: Add inspector observer support in the new CSS parser
if (!observer && RuntimeEnabledFeatures::newCSSParserEnabled())
return CSSParserImpl::parseDeclaration(propertySet, declaration, m_bisonParser.m_context);
return m_bisonParser.parseDeclaration(propertySet, declaration, observer, styleSheet);
}
void CSSParser::parseSelector(const String& selector, CSSSelectorList& selectorList)
{
if (RuntimeEnabledFeatures::newCSSParserEnabled()) {
Vector<CSSParserToken> tokens;
CSSTokenizer::tokenize(selector, tokens);
CSSSelectorParser::parseSelector(tokens, m_bisonParser.m_context, starAtom, nullptr, selectorList);
return;
}
m_bisonParser.parseSelector(selector, selectorList);
}
PassRefPtrWillBeRawPtr<StyleRuleBase> CSSParser::parseRule(const CSSParserContext& context, StyleSheetContents* styleSheet, const String& rule)
{
if (RuntimeEnabledFeatures::newCSSParserEnabled())
return CSSParserImpl::parseRule(rule, context, CSSParserImpl::RegularRules);
return BisonCSSParser(context).parseRule(styleSheet, rule);
}
void CSSParser::parseSheet(const CSSParserContext& context, StyleSheetContents* styleSheet, const String& text, const TextPosition& startPosition, CSSParserObserver* observer, bool logErrors)
{
// FIXME: Add inspector observer support in the new CSS parser
if (!observer && RuntimeEnabledFeatures::newCSSParserEnabled())
return CSSParserImpl::parseStyleSheet(text, context, styleSheet);
BisonCSSParser(context).parseSheet(styleSheet, text, startPosition, observer, logErrors);
}
bool CSSParser::parseValue(MutableStylePropertySet* declaration, CSSPropertyID propertyID, const String& string, bool important, CSSParserMode parserMode, StyleSheetContents* styleSheet)
{
if (string.isEmpty())
return false;
if (parseFastPath(declaration, propertyID, string, important, parserMode))
return true;
CSSParserContext context(parserMode, 0);
if (styleSheet) {
context = styleSheet->parserContext();
context.setMode(parserMode);
}
return parseValue(declaration, propertyID, string, important, context);
}
bool CSSParser::parseValue(MutableStylePropertySet* declaration, CSSPropertyID propertyID, const String& string, bool important, const CSSParserContext& context)
{
if (RuntimeEnabledFeatures::newCSSParserEnabled())
return CSSParserImpl::parseValue(declaration, propertyID, string, important, context);
return BisonCSSParser::parseValue(declaration, propertyID, string, important, context);
}
bool CSSParser::parseFastPath(MutableStylePropertySet* declaration, CSSPropertyID propertyID, const String& string, bool important, CSSParserMode parserMode)
{
RefPtrWillBeRawPtr<CSSValue> value = CSSParserFastPaths::maybeParseValue(propertyID, string, parserMode);
if (!value)
return false;
declaration->addParsedProperty(CSSProperty(propertyID, value.release(), important));
return true;
}
PassRefPtrWillBeRawPtr<CSSValue> CSSParser::parseSingleValue(CSSPropertyID propertyID, const String& string, const CSSParserContext& context)
{
if (string.isEmpty())
return nullptr;
RefPtrWillBeRawPtr<MutableStylePropertySet> stylePropertySet = MutableStylePropertySet::create();
bool success = parseFastPath(stylePropertySet.get(), propertyID, string, false, context.mode())
|| parseValue(stylePropertySet.get(), propertyID, string, false, context);
ASSERT_UNUSED(success, success == stylePropertySet->hasProperty(propertyID));
return stylePropertySet->getPropertyCSSValue(propertyID);
}
PassRefPtrWillBeRawPtr<ImmutableStylePropertySet> CSSParser::parseInlineStyleDeclaration(const String& styleString, Element* element)
{
if (RuntimeEnabledFeatures::newCSSParserEnabled())
return CSSParserImpl::parseInlineStyleDeclaration(styleString, element);
return BisonCSSParser::parseInlineStyleDeclaration(styleString, element);
}
PassOwnPtr<Vector<double> > CSSParser::parseKeyframeKeyList(const String& keyList)
{
if (RuntimeEnabledFeatures::newCSSParserEnabled())
return CSSParserImpl::parseKeyframeKeyList(keyList);
return BisonCSSParser(strictCSSParserContext()).parseKeyframeKeyList(keyList);
}
PassRefPtrWillBeRawPtr<StyleRuleKeyframe> CSSParser::parseKeyframeRule(const CSSParserContext& context, StyleSheetContents* styleSheet, const String& rule)
{
if (RuntimeEnabledFeatures::newCSSParserEnabled()) {
RefPtrWillBeRawPtr<StyleRuleBase> keyframe = CSSParserImpl::parseRule(rule, context, CSSParserImpl::KeyframeRules);
return toStyleRuleKeyframe(keyframe.get());
}
return BisonCSSParser(context).parseKeyframeRule(styleSheet, rule);
}
bool CSSParser::parseSupportsCondition(const String& condition)
{
return BisonCSSParser(CSSParserContext(HTMLStandardMode, 0)).parseSupportsCondition(condition);
}
bool CSSParser::parseColor(RGBA32& color, const String& string, bool strict)
{
return BisonCSSParser::parseColor(color, string, strict);
}
StyleColor CSSParser::colorFromRGBColorString(const String& string)
{
return BisonCSSParser::colorFromRGBColorString(string);
}
bool CSSParser::parseSystemColor(RGBA32& color, const String& colorString)
{
return BisonCSSParser::parseSystemColor(color, colorString);
}
} // namespace blink
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