1 | /* |
2 | * Copyright (C) 2003 Lars Knoll (knoll@kde.org) |
3 | * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010, 2016 Apple Inc. All rights reserved. |
4 | * Copyright (C) 2008 Eric Seidel <eric@webkit.org> |
5 | * Copyright (C) 2009 - 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. |
6 | * |
7 | * This library is free software; you can redistribute it and/or |
8 | * modify it under the terms of the GNU Library General Public |
9 | * License as published by the Free Software Foundation; either |
10 | * version 2 of the License, or (at your option) any later version. |
11 | * |
12 | * This library is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | * Library General Public License for more details. |
16 | * |
17 | * You should have received a copy of the GNU Library General Public License |
18 | * along with this library; see the file COPYING.LIB. If not, write to |
19 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | * Boston, MA 02110-1301, USA. |
21 | */ |
22 | |
23 | #pragma once |
24 | |
25 | #include "CSSParserTokenRange.h" |
26 | #include "StyleRule.h" |
27 | #include <wtf/text/StringView.h> |
28 | |
29 | namespace WebCore { |
30 | |
31 | class CSSProperty; |
32 | class CSSValue; |
33 | class StylePropertyShorthand; |
34 | class StyleSheetContents; |
35 | class StyleResolver; |
36 | |
37 | // Inputs: PropertyID, isImportant bool, CSSParserTokenRange. |
38 | // Outputs: Vector of CSSProperties |
39 | |
40 | class CSSPropertyParser { |
41 | WTF_MAKE_NONCOPYABLE(CSSPropertyParser); |
42 | public: |
43 | static bool parseValue(CSSPropertyID, bool important, |
44 | const CSSParserTokenRange&, const CSSParserContext&, |
45 | Vector<CSSProperty, 256>&, StyleRule::Type); |
46 | |
47 | // Parses a non-shorthand CSS property |
48 | static RefPtr<CSSValue> parseSingleValue(CSSPropertyID, const CSSParserTokenRange&, const CSSParserContext&); |
49 | static bool canParseTypedCustomPropertyValue(const String& syntax, const CSSParserTokenRange&, const CSSParserContext&); |
50 | static RefPtr<CSSCustomPropertyValue> parseTypedCustomPropertyValue(const String& name, const String& syntax, const CSSParserTokenRange&, const StyleResolver&, const CSSParserContext&); |
51 | static void collectParsedCustomPropertyValueDependencies(const String& syntax, bool isRoot, HashSet<CSSPropertyID>& dependencies, const CSSParserTokenRange&, const CSSParserContext&); |
52 | |
53 | private: |
54 | CSSPropertyParser(const CSSParserTokenRange&, const CSSParserContext&, Vector<CSSProperty, 256>*, bool consumeWhitespace = true); |
55 | |
56 | // FIXME: Rename once the CSSParserValue-based parseValue is removed |
57 | bool parseValueStart(CSSPropertyID, bool important); |
58 | bool consumeCSSWideKeyword(CSSPropertyID, bool important); |
59 | RefPtr<CSSValue> parseSingleValue(CSSPropertyID, CSSPropertyID = CSSPropertyInvalid); |
60 | bool canParseTypedCustomPropertyValue(const String& syntax); |
61 | RefPtr<CSSCustomPropertyValue> parseTypedCustomPropertyValue(const String& name, const String& syntax, const StyleResolver&); |
62 | void collectParsedCustomPropertyValueDependencies(const String& syntax, bool isRoot, HashSet<CSSPropertyID>& dependencies); |
63 | |
64 | bool inQuirksMode() const { return m_context.mode == HTMLQuirksMode; } |
65 | |
66 | bool parseViewportDescriptor(CSSPropertyID propId, bool important); |
67 | bool parseFontFaceDescriptor(CSSPropertyID); |
68 | |
69 | void addProperty(CSSPropertyID, CSSPropertyID, Ref<CSSValue>&&, bool important, bool implicit = false); |
70 | void addExpandedPropertyForValue(CSSPropertyID propId, Ref<CSSValue>&&, bool); |
71 | |
72 | bool consumeBorder(RefPtr<CSSValue>& width, RefPtr<CSSValue>& style, RefPtr<CSSValue>& color); |
73 | |
74 | bool parseShorthand(CSSPropertyID, bool important); |
75 | bool consumeShorthandGreedily(const StylePropertyShorthand&, bool important); |
76 | bool consume2ValueShorthand(const StylePropertyShorthand&, bool important); |
77 | bool consume4ValueShorthand(const StylePropertyShorthand&, bool important); |
78 | |
79 | // Legacy parsing allows <string>s for animation-name |
80 | bool consumeAnimationShorthand(const StylePropertyShorthand&, bool important); |
81 | bool consumeBackgroundShorthand(const StylePropertyShorthand&, bool important); |
82 | |
83 | bool consumeColumns(bool important); |
84 | |
85 | bool consumeGridItemPositionShorthand(CSSPropertyID, bool important); |
86 | bool consumeGridTemplateRowsAndAreasAndColumns(CSSPropertyID, bool important); |
87 | bool consumeGridTemplateShorthand(CSSPropertyID, bool important); |
88 | bool consumeGridShorthand(bool important); |
89 | bool consumeGridAreaShorthand(bool important); |
90 | |
91 | bool consumePlaceContentShorthand(bool important); |
92 | bool consumePlaceItemsShorthand(bool important); |
93 | bool consumePlaceSelfShorthand(bool important); |
94 | |
95 | bool consumeFont(bool important); |
96 | bool consumeFontVariantShorthand(bool important); |
97 | bool consumeSystemFont(bool important); |
98 | |
99 | bool consumeBorderSpacing(bool important); |
100 | |
101 | // CSS3 Parsing Routines (for properties specific to CSS3) |
102 | bool consumeBorderImage(CSSPropertyID, bool important); |
103 | |
104 | bool consumeFlex(bool important); |
105 | |
106 | bool consumeLegacyBreakProperty(CSSPropertyID, bool important); |
107 | |
108 | bool consumeTransformOrigin(bool important); |
109 | bool consumePerspectiveOrigin(bool important); |
110 | |
111 | private: |
112 | // Inputs: |
113 | CSSParserTokenRange m_range; |
114 | const CSSParserContext& m_context; |
115 | |
116 | // Outputs: |
117 | Vector<CSSProperty, 256>* m_parsedProperties; |
118 | }; |
119 | |
120 | CSSPropertyID cssPropertyID(StringView); |
121 | CSSValueID cssValueKeywordID(StringView); |
122 | bool isCustomPropertyName(const String&); |
123 | |
124 | #if PLATFORM(IOS_FAMILY) |
125 | void cssPropertyNameIOSAliasing(const char* propertyName, const char*& propertyNameAlias, unsigned& newLength); |
126 | #endif |
127 | |
128 | } // namespace WebCore |
129 | |