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 "DecodedDataDocumentParser.h" 30 #include <wtf/text/TextPosition.h> 31 32 namespace WebCore { 33 34 class ScriptableDocumentParser : public DecodedDataDocumentParser { 35 public: 36 // Only used by Document::open for deciding if its safe to act on a 37 // JavaScript document.open() call right now, or it should be ignored. isExecutingScript()38 virtual bool isExecutingScript() const { return false; } 39 40 // FIXME: Only the HTMLDocumentParser ever blocks script execution on 41 // stylesheet load, which is likely a bug in the XMLDocumentParser. executeScriptsWaitingForStylesheets()42 virtual void executeScriptsWaitingForStylesheets() { } 43 44 virtual bool isWaitingForScripts() const = 0; 45 46 // These are used to expose the current line/column to the scripting system. 47 virtual int lineNumber() const = 0; 48 virtual TextPosition0 textPosition() const = 0; 49 setWasCreatedByScript(bool wasCreatedByScript)50 void setWasCreatedByScript(bool wasCreatedByScript) { m_wasCreatedByScript = wasCreatedByScript; } wasCreatedByScript()51 bool wasCreatedByScript() const { return m_wasCreatedByScript; } 52 53 protected: 54 explicit ScriptableDocumentParser(Document*); 55 56 private: asScriptableDocumentParser()57 virtual ScriptableDocumentParser* asScriptableDocumentParser() { return this; } 58 59 // http://www.whatwg.org/specs/web-apps/current-work/#script-created-parser 60 bool m_wasCreatedByScript; 61 }; 62 63 } 64 65 #endif // ScriptableDocumentParser_h 66