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      1 /*
      2  * Copyright (C) 2009 Apple 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 #include "config.h"
     27 #include "core/xml/parser/XMLDocumentParserScope.h"
     28 
     29 namespace blink {
     30 
     31 ResourceFetcher* XMLDocumentParserScope::currentFetcher = 0;
     32 
     33 XMLDocumentParserScope::XMLDocumentParserScope(ResourceFetcher* fetcher)
     34     : m_oldFetcher(currentFetcher)
     35     , m_oldGenericErrorFunc(xmlGenericError)
     36     , m_oldStructuredErrorFunc(xmlStructuredError)
     37     , m_oldErrorContext(xmlGenericErrorContext)
     38 {
     39     currentFetcher = fetcher;
     40 }
     41 
     42 XMLDocumentParserScope::XMLDocumentParserScope(ResourceFetcher* fetcher, xmlGenericErrorFunc genericErrorFunc, xmlStructuredErrorFunc structuredErrorFunc, void* errorContext)
     43     : m_oldFetcher(currentFetcher)
     44     , m_oldGenericErrorFunc(xmlGenericError)
     45     , m_oldStructuredErrorFunc(xmlStructuredError)
     46     , m_oldErrorContext(xmlGenericErrorContext)
     47 {
     48     currentFetcher = fetcher;
     49     if (genericErrorFunc)
     50         xmlSetGenericErrorFunc(errorContext, genericErrorFunc);
     51     if (structuredErrorFunc)
     52         xmlSetStructuredErrorFunc(errorContext, structuredErrorFunc);
     53 }
     54 
     55 XMLDocumentParserScope::~XMLDocumentParserScope()
     56 {
     57     currentFetcher = m_oldFetcher;
     58     xmlSetGenericErrorFunc(m_oldErrorContext, m_oldGenericErrorFunc);
     59     xmlSetStructuredErrorFunc(m_oldErrorContext, m_oldStructuredErrorFunc);
     60 }
     61 
     62 }
     63