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/*
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* This file is part of the XSL implementation.
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*
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* Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple, Inc. All rights reserved.
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* Copyright (C) 2005, 2006 Alexey Proskuryakov <ap@webkit.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#if ENABLE(XSLT)
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#include "XSLTProcessor.h"
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#include "DOMImplementation.h"
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#include "DocLoader.h"
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#include "DocumentFragment.h"
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#include "Frame.h"
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#include "FrameLoader.h"
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#include "FrameView.h"
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#include "HTMLDocument.h"
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#include "HTMLTokenizer.h" // for parseHTMLDocumentFragment
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#include "Page.h"
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#include "Text.h"
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#include "TextResourceDecoder.h"
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#include "XMLTokenizer.h"
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#include "loader.h"
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#include "markup.h"
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#include <wtf/Assertions.h>
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#include <wtf/Platform.h>
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#include <wtf/Vector.h>
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namespace WebCore {
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static inline void transformTextStringToXHTMLDocumentString(String& text)
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{
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// Modify the output so that it is a well-formed XHTML document with a <pre> tag enclosing the text.
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text.replace('&', "&");
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text.replace('<', "<");
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text = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
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"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n"
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"<html xmlns=\"http://www.w3.org/1999/xhtml\">\n"
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"<head><title/></head>\n"
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"<body>\n"
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"<pre>" + text + "</pre>\n"
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"</body>\n"
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"</html>\n";
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}
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PassRefPtr<Document> XSLTProcessor::createDocumentFromSource(const String& sourceString,
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const String& sourceEncoding, const String& sourceMIMEType, Node* sourceNode, Frame* frame)
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{
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RefPtr<Document> ownerDocument = sourceNode->document();
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bool sourceIsDocument = (sourceNode == ownerDocument.get());
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String documentSource = sourceString;
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RefPtr<Document> result;
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if (sourceMIMEType == "text/plain") {
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result = ownerDocument->implementation()->createDocument(frame);
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transformTextStringToXHTMLDocumentString(documentSource);
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} else
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result = ownerDocument->implementation()->createDocument(sourceMIMEType, frame, false);
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// Before parsing, we need to save & detach the old document and get the new document
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// in place. We have to do this only if we're rendering the result document.
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if (frame) {
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if (FrameView* view = frame->view())
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view->clear();
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result->setTransformSourceDocument(frame->document());
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frame->setDocument(result);
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}
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if (sourceIsDocument)
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result->setURL(ownerDocument->url());
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result->open();
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RefPtr<TextResourceDecoder> decoder = TextResourceDecoder::create(sourceMIMEType);
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decoder->setEncoding(sourceEncoding.isEmpty() ? UTF8Encoding() : TextEncoding(sourceEncoding), TextResourceDecoder::EncodingFromXMLHeader);
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result->setDecoder(decoder.release());
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result->write(documentSource);
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result->finishParsing();
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result->close();
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return result.release();
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}
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static inline RefPtr<DocumentFragment> createFragmentFromSource(const String& sourceString, const String& sourceMIMEType, Document* outputDoc)
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{
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RefPtr<DocumentFragment> fragment = DocumentFragment::create(outputDoc);
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if (sourceMIMEType == "text/html")
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parseHTMLDocumentFragment(sourceString, fragment.get());
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else if (sourceMIMEType == "text/plain")
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fragment->addChild(Text::create(outputDoc, sourceString));
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else {
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bool successfulParse = parseXMLDocumentFragment(sourceString, fragment.get(), outputDoc->documentElement());
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if (!successfulParse)
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return 0;
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}
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// FIXME: Do we need to mess with URLs here?
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return fragment;
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}
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PassRefPtr<Document> XSLTProcessor::transformToDocument(Node* sourceNode)
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{
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String resultMIMEType;
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String resultString;
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String resultEncoding;
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if (!transformToString(sourceNode, resultMIMEType, resultString, resultEncoding))
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return 0;
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return createDocumentFromSource(resultString, resultEncoding, resultMIMEType, sourceNode, 0);
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}
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PassRefPtr<DocumentFragment> XSLTProcessor::transformToFragment(Node* sourceNode, Document* outputDoc)
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{
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String resultMIMEType;
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String resultString;
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String resultEncoding;
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// If the output document is HTML, default to HTML method.
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if (outputDoc->isHTMLDocument())
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resultMIMEType = "text/html";
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if (!transformToString(sourceNode, resultMIMEType, resultString, resultEncoding))
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return 0;
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return createFragmentFromSource(resultString, resultMIMEType, outputDoc);
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}
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void XSLTProcessor::setParameter(const String& /*namespaceURI*/, const String& localName, const String& value)
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{
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// FIXME: namespace support?
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// should make a QualifiedName here but we'd have to expose the impl
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m_parameters.set(localName, value);
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}
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String XSLTProcessor::getParameter(const String& /*namespaceURI*/, const String& localName) const
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{
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// FIXME: namespace support?
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// should make a QualifiedName here but we'd have to expose the impl
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return m_parameters.get(localName);
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}
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void XSLTProcessor::removeParameter(const String& /*namespaceURI*/, const String& localName)
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{
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// FIXME: namespace support?
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m_parameters.remove(localName);
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}
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void XSLTProcessor::reset()
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{
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m_stylesheet.clear();
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m_stylesheetRootNode.clear();
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m_parameters.clear();
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}
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} // namespace WebCore
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#endif // ENABLE(XSLT)
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