| /* |
| * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. |
| * Copyright (C) 2012 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * 2. Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, |
| * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF |
| * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef CSSParserMode_h |
| #define CSSParserMode_h |
| |
| #include "platform/weborigin/KURL.h" |
| |
| namespace WebCore { |
| |
| class Document; |
| |
| // Must not grow beyond 3 bytes, due to packing in StylePropertySet. |
| enum CSSParserMode { |
| HTMLStandardMode, |
| HTMLQuirksMode, |
| // HTML attributes are parsed in quirks mode but also allows internal properties and values. |
| HTMLAttributeMode, |
| // SVG attributes are parsed in quirks mode but rules differ slightly. |
| SVGAttributeMode, |
| // @viewport rules are parsed in standards mode but CSSOM modifications (via StylePropertySet) |
| // must call parseViewportProperties so needs a special mode. |
| CSSViewportRuleMode, |
| // User agent stylesheets are parsed in standards mode but also allows internal properties and values. |
| UASheetMode |
| }; |
| |
| inline bool isQuirksModeBehavior(CSSParserMode mode) |
| { |
| return mode == HTMLQuirksMode; // || mode == HTMLAttributeMode; |
| } |
| |
| inline bool isUASheetBehavior(CSSParserMode mode) |
| { |
| return mode == UASheetMode; |
| } |
| |
| inline bool isInternalPropertyAndValueParsingEnabledForMode(CSSParserMode mode) |
| { |
| return mode == HTMLAttributeMode || mode == UASheetMode; |
| } |
| |
| inline bool isUnitLessLengthParsingEnabledForMode(CSSParserMode mode) |
| { |
| return mode == HTMLQuirksMode || mode == HTMLAttributeMode || mode == SVGAttributeMode; |
| } |
| |
| inline bool isCSSViewportParsingEnabledForMode(CSSParserMode mode) |
| { |
| return mode == CSSViewportRuleMode; |
| } |
| |
| inline bool isSVGNumberParsingEnabledForMode(CSSParserMode mode) |
| { |
| return mode == SVGAttributeMode; |
| } |
| |
| inline bool isUseCounterEnabledForMode(CSSParserMode mode) |
| { |
| // We don't count the UA style sheet in our statistics. |
| return mode != UASheetMode; |
| } |
| |
| class CSSParserContext { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| CSSParserContext(CSSParserMode); |
| CSSParserContext(const Document&, const KURL& baseURL = KURL(), const String& charset = emptyString()); |
| |
| bool operator==(const CSSParserContext&) const; |
| bool operator!=(const CSSParserContext& other) const { return !(*this == other); } |
| |
| CSSParserMode mode() const { return m_mode; } |
| const KURL& baseURL() const { return m_baseURL; } |
| const String& charset() const { return m_charset; } |
| bool isHTMLDocument() const { return m_isHTMLDocument; } |
| |
| // This quirk is to maintain compatibility with Android apps built on |
| // the Android SDK prior to and including version 18. Presumably, this |
| // can be removed any time after 2015. See http://crbug.com/277157. |
| bool useLegacyBackgroundSizeShorthandBehavior() const { return m_useLegacyBackgroundSizeShorthandBehavior; } |
| |
| // FIXME: These setters shouldn't exist, however the current lifetime of CSSParserContext |
| // is not well understood and thus we sometimes need to override these fields. |
| void setMode(CSSParserMode mode) { m_mode = mode; } |
| void setBaseURL(const KURL& baseURL) { m_baseURL = baseURL; } |
| void setCharset(const String& charset) { m_charset = charset; } |
| |
| private: |
| KURL m_baseURL; |
| String m_charset; |
| CSSParserMode m_mode; |
| bool m_isHTMLDocument; |
| bool m_useLegacyBackgroundSizeShorthandBehavior; |
| }; |
| |
| const CSSParserContext& strictCSSParserContext(); |
| |
| }; |
| |
| #endif // CSSParserMode_h |