Basic implementation of @apply

third_party/WebKit/Source/core/css/parser/CSSParserImpl.h

 // 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.
 
 #ifndef CSSParserImpl_h
 #define CSSParserImpl_h
 
 #include "core/CSSPropertyNames.h"
 #include "core/css/CSSProperty.h"
 #include "core/css/CSSPropertySourceData.h"
@@ skipping 33 matching lines @@
         // As per css-syntax, css-cascade and css-namespaces, @charset rules
         // must come first, followed by @import then @namespace.
         // AllowImportRules actually means we allow @import and any rules thay
         // may follow it, i.e. @namespace rules and regular rules.
         // AllowCharsetRules and AllowNamespaceRules behave similarly.
         AllowCharsetRules,
         AllowImportRules,
         AllowNamespaceRules,
         RegularRules,
         KeyframeRules,
+        ApplyRules, // For @apply inside style rules
         NoRules, // For parsing at-rules inside declaration lists
     };
 
     static bool parseValue(MutableStylePropertySet*, CSSPropertyID, const String&, bool important, const CSSParserContext&);
     static bool parseVariableValue(MutableStylePropertySet*, const AtomicString& propertyName, const String&, bool important, const CSSParserContext&);
     static PassRefPtrWillBeRawPtr<ImmutableStylePropertySet> parseInlineStyleDeclaration(const String&, Element*);
     static bool parseDeclarationList(MutableStylePropertySet*, const String&, const CSSParserContext&);
     static PassRefPtrWillBeRawPtr<StyleRuleBase> parseRule(const String&, const CSSParserContext&, StyleSheetContents*, AllowedRulesType);
     static void parseStyleSheet(const String&, const CSSParserContext&, StyleSheetContents*);
     static CSSSelectorList parsePageSelector(CSSParserTokenRange, StyleSheetContents*);
 
+    static PassRefPtrWillBeRawPtr<ImmutableStylePropertySet> parseCustomPropertySet(CSSParserTokenRange);
+
     static PassOwnPtr<Vector<double>> parseKeyframeKeyList(const String&);
 
     bool supportsDeclaration(CSSParserTokenRange&);
 
     static void parseDeclarationListForInspector(const String&, const CSSParserContext&, CSSParserObserver&);
     static void parseStyleSheetForInspector(const String&, const CSSParserContext&, StyleSheetContents*, CSSParserObserver&);
 
 private:
     enum RuleListType {
         TopLevelRuleList,
@@ skipping 11 matching lines @@
 
     static PassRefPtrWillBeRawPtr<StyleRuleCharset> consumeCharsetRule(CSSParserTokenRange prelude);
     PassRefPtrWillBeRawPtr<StyleRuleImport> consumeImportRule(CSSParserTokenRange prelude);
     PassRefPtrWillBeRawPtr<StyleRuleNamespace> consumeNamespaceRule(CSSParserTokenRange prelude);
     PassRefPtrWillBeRawPtr<StyleRuleMedia> consumeMediaRule(CSSParserTokenRange prelude, CSSParserTokenRange block);
     PassRefPtrWillBeRawPtr<StyleRuleSupports> consumeSupportsRule(CSSParserTokenRange prelude, CSSParserTokenRange block);
     PassRefPtrWillBeRawPtr<StyleRuleViewport> consumeViewportRule(CSSParserTokenRange prelude, CSSParserTokenRange block);
     PassRefPtrWillBeRawPtr<StyleRuleFontFace> consumeFontFaceRule(CSSParserTokenRange prelude, CSSParserTokenRange block);
     PassRefPtrWillBeRawPtr<StyleRuleKeyframes> consumeKeyframesRule(bool webkitPrefixed, CSSParserTokenRange prelude, CSSParserTokenRange block);
     PassRefPtrWillBeRawPtr<StyleRulePage> consumePageRule(CSSParserTokenRange prelude, CSSParserTokenRange block);
+    // Updates m_parsedProperties
+    void consumeApplyRule(CSSParserTokenRange prelude);
 
     PassRefPtrWillBeRawPtr<StyleRuleKeyframe> consumeKeyframeStyleRule(CSSParserTokenRange prelude, CSSParserTokenRange block);
     PassRefPtrWillBeRawPtr<StyleRule> consumeStyleRule(CSSParserTokenRange prelude, CSSParserTokenRange block);
 
     void consumeDeclarationList(CSSParserTokenRange, StyleRule::RuleType);
     void consumeDeclaration(CSSParserTokenRange, StyleRule::RuleType);
     void consumeDeclarationValue(CSSParserTokenRange, CSSPropertyID, bool important, StyleRule::RuleType);
     void consumeVariableValue(CSSParserTokenRange, const AtomicString& propertyName, bool important);
 
     static PassOwnPtr<Vector<double>> consumeKeyframeKeyList(CSSParserTokenRange);
 
     // FIXME: Can we build StylePropertySets directly?
     // FIXME: Investigate using a smaller inline buffer
     WillBeHeapVector<CSSProperty, 256> m_parsedProperties;
     CSSParserContext m_context;
 
     RawPtrWillBeMember<StyleSheetContents> m_styleSheet;
 
     // For the inspector
     CSSParserObserverWrapper* m_observerWrapper;
 };
 
 } // namespace blink
 
 #endif // CSSParserImpl_h