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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef ScriptableDocumentParser_h 27 #define ScriptableDocumentParser_h 28 29 #include "core/dom/DecodedDataDocumentParser.h" 30 #include "core/dom/ParserContentPolicy.h" 31 #include "wtf/text/TextPosition.h" 32 33 namespace WebCore { 34 35 class ScriptableDocumentParser : public DecodedDataDocumentParser { 36 public: 37 // Only used by Document::open for deciding if its safe to act on a 38 // JavaScript document.open() call right now, or it should be ignored. isExecutingScript()39 virtual bool isExecutingScript() const { return false; } 40 41 // FIXME: Only the HTMLDocumentParser ever blocks script execution on 42 // stylesheet load, which is likely a bug in the XMLDocumentParser. executeScriptsWaitingForResources()43 virtual void executeScriptsWaitingForResources() { } 44 45 virtual bool isWaitingForScripts() const = 0; 46 47 // These are used to expose the current line/column to the scripting system. 48 virtual OrdinalNumber lineNumber() const = 0; 49 virtual TextPosition textPosition() const = 0; 50 setWasCreatedByScript(bool wasCreatedByScript)51 void setWasCreatedByScript(bool wasCreatedByScript) { m_wasCreatedByScript = wasCreatedByScript; } wasCreatedByScript()52 bool wasCreatedByScript() const { return m_wasCreatedByScript; } 53 parserContentPolicy()54 ParserContentPolicy parserContentPolicy() { return m_parserContentPolicy; } 55 56 protected: 57 explicit ScriptableDocumentParser(Document*, ParserContentPolicy = AllowScriptingContent); 58 59 private: asScriptableDocumentParser()60 virtual ScriptableDocumentParser* asScriptableDocumentParser() { return this; } 61 62 // http://www.whatwg.org/specs/web-apps/current-work/#script-created-parser 63 bool m_wasCreatedByScript; 64 ParserContentPolicy m_parserContentPolicy; 65 }; 66 67 } 68 69 #endif // ScriptableDocumentParser_h 70