Home | History | Annotate | Download | only in dom
      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.
     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.
     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 
     50     void setWasCreatedByScript(bool wasCreatedByScript) { m_wasCreatedByScript = wasCreatedByScript; }
     51     bool wasCreatedByScript() const { return m_wasCreatedByScript; }
     52 
     53 protected:
     54     explicit ScriptableDocumentParser(Document*);
     55 
     56 private:
     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