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/*
* Copyright (C) 2009-2024 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.
*/
#include "config.h"
#include "XMLDocumentParserScope.h"
#include "CachedResourceLoader.h"
#include "XMLDocumentParser.h"
namespace WebCore {
WeakPtr<CachedResourceLoader>& XMLDocumentParserScope::currentCachedResourceLoader()
{
static NeverDestroyed<WeakPtr<CachedResourceLoader>> currentCachedResourceLoader;
return currentCachedResourceLoader;
}
#if ENABLE(XSLT)
XMLDocumentParserScope::XMLDocumentParserScope(CachedResourceLoader* cachedResourceLoader)
: XMLDocumentParserScope(cachedResourceLoader, xmlGenericError, xmlStructuredError, xmlGenericErrorContext, xmlStructuredErrorContext)
{
}
#else
XMLDocumentParserScope::XMLDocumentParserScope(CachedResourceLoader* cachedResourceLoader)
: m_oldCachedResourceLoader(currentCachedResourceLoader())
{
initializeXMLParser();
m_oldEntityLoader = xmlGetExternalEntityLoader();
currentCachedResourceLoader() = cachedResourceLoader;
xmlSetExternalEntityLoader(WebCore::externalEntityLoader);
}
#endif // ENABLE(XSLT)
#if ENABLE(XSLT)
XMLDocumentParserScope::XMLDocumentParserScope(CachedResourceLoader* cachedResourceLoader, xmlGenericErrorFunc genericErrorFunc, xmlStructuredErrorFunc structuredErrorFunc, void* genericErrorContext, void* structuredErrorContext)
: m_oldCachedResourceLoader(currentCachedResourceLoader())
, m_oldGenericErrorFunc(xmlGenericError)
, m_oldStructuredErrorFunc(xmlStructuredError)
, m_oldGenericErrorContext(xmlGenericErrorContext)
, m_oldStructuredErrorContext(xmlStructuredErrorContext)
{
initializeXMLParser();
m_oldEntityLoader = xmlGetExternalEntityLoader();
currentCachedResourceLoader() = cachedResourceLoader;
xmlSetExternalEntityLoader(WebCore::externalEntityLoader);
if (genericErrorFunc)
xmlSetGenericErrorFunc(genericErrorContext, genericErrorFunc);
if (structuredErrorFunc)
xmlSetStructuredErrorFunc(structuredErrorContext ?: genericErrorContext, structuredErrorFunc);
}
#endif
XMLDocumentParserScope::~XMLDocumentParserScope()
{
currentCachedResourceLoader() = m_oldCachedResourceLoader;
xmlSetExternalEntityLoader(m_oldEntityLoader);
#if ENABLE(XSLT)
xmlSetGenericErrorFunc(m_oldGenericErrorContext, m_oldGenericErrorFunc);
xmlSetStructuredErrorFunc(m_oldStructuredErrorContext, m_oldStructuredErrorFunc);
#endif
}
}
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