1 /* 2 * Copyright (c) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef CSSPropertySourceData_h 32 #define CSSPropertySourceData_h 33 34 #include "platform/heap/Handle.h" 35 #include "wtf/Forward.h" 36 #include "wtf/RefCounted.h" 37 #include "wtf/Vector.h" 38 #include "wtf/text/WTFString.h" 39 40 namespace blink { 41 42 struct SourceRange { 43 ALLOW_ONLY_INLINE_ALLOCATION(); 44 public: 45 SourceRange(); 46 SourceRange(unsigned start, unsigned end); 47 unsigned length() const; 48 traceSourceRange49 void trace(Visitor*) { } 50 51 unsigned start; 52 unsigned end; 53 }; 54 55 struct CSSPropertySourceData { 56 ALLOW_ONLY_INLINE_ALLOCATION(); 57 public: 58 CSSPropertySourceData(const String& name, const String& value, bool important, bool disabled, bool parsedOk, const SourceRange& range); 59 CSSPropertySourceData(const CSSPropertySourceData& other); 60 CSSPropertySourceData(); 61 62 String toString() const; 63 unsigned hash() const; 64 traceCSSPropertySourceData65 void trace(Visitor* visitor) { visitor->trace(range); } 66 67 String name; 68 String value; 69 bool important; 70 bool disabled; 71 bool parsedOk; 72 SourceRange range; 73 }; 74 75 struct CSSStyleSourceData : public RefCountedWillBeGarbageCollected<CSSStyleSourceData> { createCSSStyleSourceData76 static PassRefPtrWillBeRawPtr<CSSStyleSourceData> create() 77 { 78 return adoptRefWillBeNoop(new CSSStyleSourceData()); 79 } 80 traceCSSStyleSourceData81 void trace(Visitor* visitor) { visitor->trace(propertyData); } 82 83 WillBeHeapVector<CSSPropertySourceData> propertyData; 84 }; 85 86 struct CSSRuleSourceData; 87 typedef WillBeHeapVector<RefPtrWillBeMember<CSSRuleSourceData> > RuleSourceDataList; 88 typedef WillBeHeapVector<SourceRange> SelectorRangeList; 89 90 struct CSSRuleSourceData : public RefCountedWillBeGarbageCollected<CSSRuleSourceData> { 91 enum Type { 92 UNKNOWN_RULE, 93 STYLE_RULE, 94 CHARSET_RULE, 95 IMPORT_RULE, 96 MEDIA_RULE, 97 FONT_FACE_RULE, 98 PAGE_RULE, 99 KEYFRAMES_RULE, 100 VIEWPORT_RULE, 101 SUPPORTS_RULE, 102 FILTER_RULE 103 }; 104 createCSSRuleSourceData105 static PassRefPtrWillBeRawPtr<CSSRuleSourceData> create(Type type) 106 { 107 return adoptRefWillBeNoop(new CSSRuleSourceData(type)); 108 } 109 createUnknownCSSRuleSourceData110 static PassRefPtrWillBeRawPtr<CSSRuleSourceData> createUnknown() 111 { 112 return adoptRefWillBeNoop(new CSSRuleSourceData(UNKNOWN_RULE)); 113 } 114 CSSRuleSourceDataCSSRuleSourceData115 CSSRuleSourceData(Type type) 116 : type(type) 117 { 118 if (type == STYLE_RULE || type == FONT_FACE_RULE || type == PAGE_RULE) 119 styleSourceData = CSSStyleSourceData::create(); 120 } 121 122 void trace(Visitor*); 123 124 Type type; 125 126 // Range of the selector list in the enclosing source. 127 SourceRange ruleHeaderRange; 128 129 // Range of the rule body (e.g. style text for style rules) in the enclosing source. 130 SourceRange ruleBodyRange; 131 132 // Only for CSSStyleRules. 133 SelectorRangeList selectorRanges; 134 135 // Only for CSSStyleRules, CSSFontFaceRules, and CSSPageRules. 136 RefPtrWillBeMember<CSSStyleSourceData> styleSourceData; 137 138 // Only for CSSMediaRules. 139 RuleSourceDataList childRules; 140 }; 141 142 } // namespace blink 143 144 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::SourceRange); 145 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::CSSPropertySourceData); 146 147 #endif // CSSPropertySourceData_h 148