15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2012 Apple Inc. All rights reserved. 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * disclaimer. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * disclaimer in the documentation and/or other materials 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * provided with the distribution. 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SUCH DAMAGE. 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef CSSParserMode_h 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define CSSParserMode_h 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3451b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)#include "platform/weborigin/KURL.h" 35f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles)#include "platform/weborigin/Referrer.h" 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 37c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class Document; 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)// Must not grow beyond 3 bits, due to packing in StylePropertySet. 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)enum CSSParserMode { 43f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) HTMLStandardMode, 44f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) HTMLQuirksMode, 45f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) // HTML attributes are parsed in quirks mode but also allows internal properties and values. 46f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) HTMLAttributeMode, 47f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) // SVG attributes are parsed in quirks mode but rules differ slightly. 485267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) SVGAttributeMode, 49f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) // @viewport rules are parsed in standards mode but CSSOM modifications (via StylePropertySet) 50f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) // must call parseViewportProperties so needs a special mode. 51f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) CSSViewportRuleMode, 52f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) // User agent stylesheets are parsed in standards mode but also allows internal properties and values. 53f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) UASheetMode 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 56f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles)inline bool isQuirksModeBehavior(CSSParserMode mode) 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 58f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) return mode == HTMLQuirksMode; // || mode == HTMLAttributeMode; 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 61f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles)inline bool isUASheetBehavior(CSSParserMode mode) 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 63f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) return mode == UASheetMode; 64f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles)} 65f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) 66f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles)inline bool isInternalPropertyAndValueParsingEnabledForMode(CSSParserMode mode) 67f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles){ 68f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) return mode == HTMLAttributeMode || mode == UASheetMode; 69f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles)} 70f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) 71f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles)inline bool isUnitLessLengthParsingEnabledForMode(CSSParserMode mode) 72f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles){ 73f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) return mode == HTMLQuirksMode || mode == HTMLAttributeMode || mode == SVGAttributeMode; 74f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles)} 75f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) 76f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles)inline bool isCSSViewportParsingEnabledForMode(CSSParserMode mode) 77f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles){ 78f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) return mode == CSSViewportRuleMode; 79f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles)} 80f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) 81f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles)inline bool isUseCounterEnabledForMode(CSSParserMode mode) 82f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles){ 83f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) // We don't count the UA style sheet in our statistics. 84f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) return mode != UASheetMode; 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 8709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)class UseCounter; 8809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 8951b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)class CSSParserContext { 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) WTF_MAKE_FAST_ALLOCATED; 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 9209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) CSSParserContext(CSSParserMode, UseCounter*); 9309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // FIXME: We shouldn't need the UseCounter argument as we could infer it from the Document 9409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // but some callers want to disable use counting (e.g. the WebInspector). 9509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) CSSParserContext(const Document&, UseCounter*, const KURL& baseURL = KURL(), const String& charset = emptyString()); 9609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // FIXME: This constructor shouldn't exist if we properly piped the UseCounter through the CSS 9709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // subsystem. Currently the UseCounter life time is too crazy and we need a way to override it. 9809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) CSSParserContext(const CSSParserContext&, UseCounter*); 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 10051b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) bool operator==(const CSSParserContext&) const; 10151b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) bool operator!=(const CSSParserContext& other) const { return !(*this == other); } 10251b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) 10351b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) CSSParserMode mode() const { return m_mode; } 10451b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) const KURL& baseURL() const { return m_baseURL; } 10551b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) const String& charset() const { return m_charset; } 106f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) const Referrer& referrer() const { return m_referrer; } 10751b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) bool isHTMLDocument() const { return m_isHTMLDocument; } 10851b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) 109c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) // This quirk is to maintain compatibility with Android apps built on 1108abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) // the Android SDK prior to and including version 18. Presumably, this 111c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) // can be removed any time after 2015. See http://crbug.com/277157. 11251b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) bool useLegacyBackgroundSizeShorthandBehavior() const { return m_useLegacyBackgroundSizeShorthandBehavior; } 11351b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) 11451b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) // FIXME: These setters shouldn't exist, however the current lifetime of CSSParserContext 11551b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) // is not well understood and thus we sometimes need to override these fields. 11651b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) void setMode(CSSParserMode mode) { m_mode = mode; } 11751b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) void setBaseURL(const KURL& baseURL) { m_baseURL = baseURL; } 11851b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) void setCharset(const String& charset) { m_charset = charset; } 119f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) void setReferrer(const Referrer& referrer) { m_referrer = referrer; } 12051b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) 12109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) KURL completeURL(const String& url) const; 12209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 12309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) UseCounter* useCounter() const { return m_useCounter; } 12409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 12551b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)private: 12651b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) KURL m_baseURL; 12751b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) String m_charset; 12851b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) CSSParserMode m_mode; 129f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) Referrer m_referrer; 13051b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) bool m_isHTMLDocument; 13151b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) bool m_useLegacyBackgroundSizeShorthandBehavior; 13209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 13309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) UseCounter* m_useCounter; 1345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)const CSSParserContext& strictCSSParserContext(); 1375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // CSSParserMode_h 141