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 <utility> 35#include <wtf/Forward.h> 36#include <wtf/HashMap.h> 37#include <wtf/RefCounted.h> 38#include <wtf/Vector.h> 39#include <wtf/text/WTFString.h> 40 41namespace WebCore { 42 43class StyleRuleBase; 44 45struct SourceRange { 46 SourceRange(); 47 SourceRange(unsigned start, unsigned end); 48 unsigned length() const; 49 50 unsigned start; 51 unsigned end; 52}; 53 54struct CSSPropertySourceData { 55 CSSPropertySourceData(const String& name, const String& value, bool important, bool parsedOk, const SourceRange& range); 56 CSSPropertySourceData(const CSSPropertySourceData& other); 57 CSSPropertySourceData(); 58 59 String toString() const; 60 unsigned hash() const; 61 62 String name; 63 String value; 64 bool important; 65 bool parsedOk; 66 SourceRange range; 67}; 68 69struct CSSStyleSourceData : public RefCounted<CSSStyleSourceData> { 70 static PassRefPtr<CSSStyleSourceData> create() 71 { 72 return adoptRef(new CSSStyleSourceData()); 73 } 74 75 Vector<CSSPropertySourceData> propertyData; 76}; 77 78struct CSSRuleSourceData; 79typedef Vector<RefPtr<CSSRuleSourceData> > RuleSourceDataList; 80typedef Vector<SourceRange> SelectorRangeList; 81 82struct CSSRuleSourceData : public RefCounted<CSSRuleSourceData> { 83 enum Type { 84 UNKNOWN_RULE, 85 STYLE_RULE, 86 CHARSET_RULE, 87 IMPORT_RULE, 88 MEDIA_RULE, 89 FONT_FACE_RULE, 90 PAGE_RULE, 91 KEYFRAMES_RULE, 92 REGION_RULE, 93 HOST_RULE, 94 VIEWPORT_RULE, 95 SUPPORTS_RULE, 96#if ENABLE(CSS_SHADERS) 97 FILTER_RULE 98#endif 99 }; 100 101 static PassRefPtr<CSSRuleSourceData> create(Type type) 102 { 103 return adoptRef(new CSSRuleSourceData(type)); 104 } 105 106 static PassRefPtr<CSSRuleSourceData> createUnknown() 107 { 108 return adoptRef(new CSSRuleSourceData(UNKNOWN_RULE)); 109 } 110 111 CSSRuleSourceData(Type type) 112 : type(type) 113 { 114 if (type == STYLE_RULE || type == FONT_FACE_RULE || type == PAGE_RULE) 115 styleSourceData = CSSStyleSourceData::create(); 116 } 117 118 Type type; 119 120 // Range of the selector list in the enclosing source. 121 SourceRange ruleHeaderRange; 122 123 // Range of the rule body (e.g. style text for style rules) in the enclosing source. 124 SourceRange ruleBodyRange; 125 126 // Only for CSSStyleRules. 127 SelectorRangeList selectorRanges; 128 129 // Only for CSSStyleRules, CSSFontFaceRules, and CSSPageRules. 130 RefPtr<CSSStyleSourceData> styleSourceData; 131 132 // Only for CSSMediaRules. 133 RuleSourceDataList childRules; 134}; 135 136} // namespace WebCore 137 138#endif // CSSPropertySourceData_h 139