text: /*
   * Copyright (C) 2009 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 APPLE INC. ``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 APPLE INC. OR
   * CONTRIBUTORS 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 XMLDocumentParserScope_h
  #define XMLDocumentParserScope_h
  
  #include <libxml/xmlerror.h>
  #include "platform/heap/Handle.h"
  #include "platform/wtf/Noncopyable.h"
  
  namespace blink {
  
  class Document;
  
  class XMLDocumentParserScope {
    STACK_ALLOCATED();
    WTF_MAKE_NONCOPYABLE(XMLDocumentParserScope);
  
   public:
    explicit XMLDocumentParserScope(Document*);
    XMLDocumentParserScope(Document*,
                           xmlGenericErrorFunc,
                           xmlStructuredErrorFunc = 0,
                           void* error_context = 0);
    ~XMLDocumentParserScope();
  
    static Document* current_document_;
  
   private:
    Member<Document> old_document_;
  
    xmlGenericErrorFunc old_generic_error_func_;
    xmlStructuredErrorFunc old_structured_error_func_;
    void* old_error_context_;
  };
  
  }  // namespace blink
  
  #endif  // XMLDocumentParserScope_h
  