blob: 6bf354dce1b2e5d30d5d8b4456ce4f75da5da086 [file] [log] [blame]
/*
* This file is part of the XSL implementation.
*
* Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple, Inc. All rights reserved.
* Copyright (C) 2005, 2006 Alexey Proskuryakov <ap@webkit.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "core/xml/XSLTProcessor.h"
#include "core/dom/DOMImplementation.h"
#include "core/dom/DocumentEncodingData.h"
#include "core/dom/DocumentFragment.h"
#include "core/editing/markup.h"
#include "core/frame/LocalDOMWindow.h"
#include "core/frame/FrameView.h"
#include "core/frame/LocalFrame.h"
#include "core/frame/csp/ContentSecurityPolicy.h"
#include "core/loader/FrameLoaderClient.h"
#include "core/xml/DocumentXSLT.h"
#include "platform/weborigin/SecurityOrigin.h"
#include "wtf/Assertions.h"
namespace blink {
static inline void transformTextStringToXHTMLDocumentString(String& text)
{
// Modify the output so that it is a well-formed XHTML document with a <pre> tag enclosing the text.
text.replaceWithLiteral('&', "&amp;");
text.replaceWithLiteral('<', "&lt;");
text = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n"
"<html xmlns=\"http://www.w3.org/1999/xhtml\">\n"
"<head><title/></head>\n"
"<body>\n"
"<pre>" + text + "</pre>\n"
"</body>\n"
"</html>\n";
}
XSLTProcessor::~XSLTProcessor()
{
#if !ENABLE(OILPAN)
// Stylesheet shouldn't outlive its root node.
ASSERT(!m_stylesheetRootNode || !m_stylesheet || m_stylesheet->hasOneRef());
#endif
}
PassRefPtrWillBeRawPtr<Document> XSLTProcessor::createDocumentFromSource(const String& sourceString,
const String& sourceEncoding, const String& sourceMIMEType, Node* sourceNode, LocalFrame* frame)
{
RefPtrWillBeRawPtr<Document> ownerDocument(sourceNode->document());
bool sourceIsDocument = (sourceNode == ownerDocument.get());
String documentSource = sourceString;
RefPtrWillBeRawPtr<Document> result = nullptr;
DocumentInit init(sourceIsDocument ? ownerDocument->url() : KURL(), frame);
bool forceXHTML = sourceMIMEType == "text/plain";
if (forceXHTML)
transformTextStringToXHTMLDocumentString(documentSource);
if (frame) {
RefPtrWillBeRawPtr<Document> oldDocument = frame->document();
// Before parsing, we need to save & detach the old document and get the new document
// in place. Document::detach() tears down the FrameView, so remember whether or not
// there was one.
bool hasView = frame->view();
oldDocument->detach();
// Re-create the FrameView if needed.
if (hasView)
frame->loader().client()->transitionToCommittedForNewPage();
result = frame->localDOMWindow()->installNewDocument(sourceMIMEType, init, forceXHTML);
if (oldDocument) {
DocumentXSLT::from(*result).setTransformSourceDocument(oldDocument.get());
result->updateSecurityOrigin(oldDocument->securityOrigin());
result->setCookieURL(oldDocument->cookieURL());
RefPtr<ContentSecurityPolicy> csp = ContentSecurityPolicy::create();
csp->copyStateFrom(oldDocument->contentSecurityPolicy());
result->initContentSecurityPolicy(csp);
}
} else {
result = LocalDOMWindow::createDocument(sourceMIMEType, init, forceXHTML);
}
DocumentEncodingData data;
data.setEncoding(sourceEncoding.isEmpty() ? UTF8Encoding() : WTF::TextEncoding(sourceEncoding));
result->setEncodingData(data);
result->setContent(documentSource);
return result.release();
}
PassRefPtrWillBeRawPtr<Document> XSLTProcessor::transformToDocument(Node* sourceNode)
{
String resultMIMEType;
String resultString;
String resultEncoding;
if (!transformToString(sourceNode, resultMIMEType, resultString, resultEncoding))
return nullptr;
return createDocumentFromSource(resultString, resultEncoding, resultMIMEType, sourceNode, 0);
}
PassRefPtrWillBeRawPtr<DocumentFragment> XSLTProcessor::transformToFragment(Node* sourceNode, Document* outputDoc)
{
String resultMIMEType;
String resultString;
String resultEncoding;
// If the output document is HTML, default to HTML method.
if (outputDoc->isHTMLDocument())
resultMIMEType = "text/html";
if (!transformToString(sourceNode, resultMIMEType, resultString, resultEncoding))
return nullptr;
return createFragmentForTransformToFragment(resultString, resultMIMEType, *outputDoc);
}
void XSLTProcessor::setParameter(const String& /*namespaceURI*/, const String& localName, const String& value)
{
// FIXME: namespace support?
// should make a QualifiedName here but we'd have to expose the impl
m_parameters.set(localName, value);
}
String XSLTProcessor::getParameter(const String& /*namespaceURI*/, const String& localName) const
{
// FIXME: namespace support?
// should make a QualifiedName here but we'd have to expose the impl
return m_parameters.get(localName);
}
void XSLTProcessor::removeParameter(const String& /*namespaceURI*/, const String& localName)
{
// FIXME: namespace support?
m_parameters.remove(localName);
}
void XSLTProcessor::reset()
{
m_stylesheet.clear();
m_stylesheetRootNode.clear();
m_parameters.clear();
}
DEFINE_TRACE(XSLTProcessor)
{
visitor->trace(m_stylesheet);
visitor->trace(m_stylesheetRootNode);
visitor->trace(m_document);
}
} // namespace blink