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/*
* Copyright (C) 2011 Google 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 GOOGLE INC. AND ITS CONTRIBUTORS
* "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 GOOGLE INC.
* OR ITS 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"
#if ENABLE(XSLT)
#include "XMLTreeViewer.h"
#include "Base64.h"
#include "Element.h"
#include "Document.h"
#include "Frame.h"
#include "HTMLNames.h"
#include "Page.h"
#include "ProcessingInstruction.h"
#include "Settings.h"
#include "TransformSource.h"
#include "XLinkNames.h"
#include "XMLViewerXSL.h"
#include "XPathResult.h"
#include "XSLStyleSheet.h"
#include "XSLTProcessor.h"
#include <libxslt/xslt.h>
#if ENABLE(MATHML)
#include "MathMLNames.h"
#endif
#if ENABLE(SVG)
#include "SVGNames.h"
#endif
#if ENABLE(WML)
#include "WMLNames.h"
#endif
using namespace std;
namespace WebCore {
XMLTreeViewer::XMLTreeViewer(Document* document)
: m_document(document)
{
}
bool XMLTreeViewer::hasNoStyleInformation() const
{
if (m_document->sawElementsInKnownNamespaces() || m_document->transformSourceDocument())
return false;
if (!m_document->frame() || !m_document->frame()->page())
return false;
if (!m_document->frame()->page()->settings()->developerExtrasEnabled())
return false;
if (m_document->frame()->tree()->parent(true))
return false; // This document is not in a top frame
if (m_document->frame()->loader()->opener())
return false; // This document is not opened manually by user
return true;
}
void XMLTreeViewer::transformDocumentToTreeView()
{
String sheetString(reinterpret_cast<const char*>(XMLViewer_xsl), sizeof(XMLViewer_xsl));
RefPtr<XSLStyleSheet> styleSheet = XSLStyleSheet::createForXMLTreeViewer(m_document, sheetString);
RefPtr<XSLTProcessor> processor = XSLTProcessor::create();
processor->setXSLStyleSheet(styleSheet);
processor->setParameter("", "xml_has_no_style_message", "This XML file does not appear to have any style information associated with it. The document tree is shown below.");
String resultMIMEType;
String newSource;
String resultEncoding;
Frame* frame = m_document->frame();
// FIXME: We should introduce error handling
if (processor->transformToString(m_document, resultMIMEType, newSource, resultEncoding))
processor->createDocumentFromSource(newSource, resultEncoding, resultMIMEType, m_document, frame);
// Adding source xml for dealing with namespaces and CDATA issues and for extensions use.
Element* sourceXmlElement = frame->document()->getElementById(AtomicString("source-xml"));
if (sourceXmlElement)
m_document->cloneChildNodes(sourceXmlElement);
// New document should have been loaded in frame. Tell it to use view source styles.
frame->document()->setUsesViewSourceStyles(true);
frame->document()->styleSelectorChanged(RecalcStyleImmediately);
}
} // namespace WebCore
#endif // ENABLE(XSLT)
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