18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This file is part of the XSL implementation. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple, Inc. All rights reserved. 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2005, 2006 Alexey Proskuryakov <ap@webkit.org> 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This library is free software; you can redistribute it and/or 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modify it under the terms of the GNU Library General Public 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * License as published by the Free Software Foundation; either 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * version 2 of the License, or (at your option) any later version. 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This library is distributed in the hope that it will be useful, 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * but WITHOUT ANY WARRANTY; without even the implied warranty of 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Library General Public License for more details. 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * You should have received a copy of the GNU Library General Public License 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * along with this library; see the file COPYING.LIB. If not, write to 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Boston, MA 02110-1301, USA. 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#if ENABLE(XSLT) 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "XSLTProcessor.h" 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "DOMImplementation.h" 305abb8606fa57c3ebfc8b3c3dbc3fa4a25d2ae306Iain Merrick#include "CachedResourceLoader.h" 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "DocumentFragment.h" 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "Frame.h" 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "FrameLoader.h" 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "FrameView.h" 35e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block#include "HTMLBodyElement.h" 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "HTMLDocument.h" 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "Page.h" 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "Text.h" 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "TextResourceDecoder.h" 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "markup.h" 4106ea8e899e48f1f2f396b70e63fae369f2f23232Kristian Monsen 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <wtf/Assertions.h> 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <wtf/Vector.h> 445f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic inline void transformTextStringToXHTMLDocumentString(String& text) 488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // Modify the output so that it is a well-formed XHTML document with a <pre> tag enclosing the text. 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project text.replace('&', "&"); 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project text.replace('<', "<"); 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project text = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n" 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project "<html xmlns=\"http://www.w3.org/1999/xhtml\">\n" 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project "<head><title/></head>\n" 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project "<body>\n" 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project "<pre>" + text + "</pre>\n" 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project "</body>\n" 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project "</html>\n"; 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 626b70adc33054f8aee8c54d0f460458a9df11b8a5Russell BrennerXSLTProcessor::~XSLTProcessor() 636b70adc33054f8aee8c54d0f460458a9df11b8a5Russell Brenner{ 646b70adc33054f8aee8c54d0f460458a9df11b8a5Russell Brenner // Stylesheet shouldn't outlive its root node. 656b70adc33054f8aee8c54d0f460458a9df11b8a5Russell Brenner ASSERT(!m_stylesheetRootNode || !m_stylesheet || m_stylesheet->hasOneRef()); 666b70adc33054f8aee8c54d0f460458a9df11b8a5Russell Brenner} 676b70adc33054f8aee8c54d0f460458a9df11b8a5Russell Brenner 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectPassRefPtr<Document> XSLTProcessor::createDocumentFromSource(const String& sourceString, 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project const String& sourceEncoding, const String& sourceMIMEType, Node* sourceNode, Frame* frame) 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project RefPtr<Document> ownerDocument = sourceNode->document(); 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool sourceIsDocument = (sourceNode == ownerDocument.get()); 738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project String documentSource = sourceString; 748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project RefPtr<Document> result; 768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (sourceMIMEType == "text/plain") { 7706ea8e899e48f1f2f396b70e63fae369f2f23232Kristian Monsen result = Document::create(frame, sourceIsDocument ? ownerDocument->url() : KURL()); 788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project transformTextStringToXHTMLDocumentString(documentSource); 798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } else 8006ea8e899e48f1f2f396b70e63fae369f2f23232Kristian Monsen result = DOMImplementation::createDocument(sourceMIMEType, frame, sourceIsDocument ? ownerDocument->url() : KURL(), false); 81231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // Before parsing, we need to save & detach the old document and get the new document 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // in place. We have to do this only if we're rendering the result document. 848e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (frame) { 858e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (FrameView* view = frame->view()) 868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project view->clear(); 878e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project result->setTransformSourceDocument(frame->document()); 888e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project frame->setDocument(result); 898e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 90231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 918e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project RefPtr<TextResourceDecoder> decoder = TextResourceDecoder::create(sourceMIMEType); 928e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project decoder->setEncoding(sourceEncoding.isEmpty() ? UTF8Encoding() : TextEncoding(sourceEncoding), TextResourceDecoder::EncodingFromXMLHeader); 938e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project result->setDecoder(decoder.release()); 94231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 9565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch result->setContent(documentSource); 968e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 978e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return result.release(); 988e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 998e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 100635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Projectstatic inline RefPtr<DocumentFragment> createFragmentFromSource(const String& sourceString, const String& sourceMIMEType, Document* outputDoc) 1018e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 10206ea8e899e48f1f2f396b70e63fae369f2f23232Kristian Monsen RefPtr<DocumentFragment> fragment = outputDoc->createDocumentFragment(); 103231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 104e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block if (sourceMIMEType == "text/html") { 105e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block // As far as I can tell, there isn't a spec for how transformToFragment 106e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block // is supposed to work. Based on the documentation I can find, it looks 107e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block // like we want to start parsing the fragment in the InBody insertion 108e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block // mode. Unfortunately, that's an implementation detail of the parser. 109e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block // We achieve that effect here by passing in a fake body element as 110e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block // context for the fragment. 111e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block RefPtr<HTMLBodyElement> fakeBody = HTMLBodyElement::create(outputDoc); 112e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block fragment->parseHTML(sourceString, fakeBody.get()); 113e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block } else if (sourceMIMEType == "text/plain") 114f486d19d62f1bc33246748b14b14a9dfa617b57fIain Merrick fragment->parserAddChild(Text::create(outputDoc, sourceString)); 1158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project else { 116f486d19d62f1bc33246748b14b14a9dfa617b57fIain Merrick bool successfulParse = fragment->parseXML(sourceString, 0); 1178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (!successfulParse) 1188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return 0; 1198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 1208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 121231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block // FIXME: Do we need to mess with URLs here? 1228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 123231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block return fragment; 1248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectPassRefPtr<Document> XSLTProcessor::transformToDocument(Node* sourceNode) 1278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project String resultMIMEType; 1298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project String resultString; 1308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project String resultEncoding; 1318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (!transformToString(sourceNode, resultMIMEType, resultString, resultEncoding)) 1328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return 0; 1338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return createDocumentFromSource(resultString, resultEncoding, resultMIMEType, sourceNode, 0); 1348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectPassRefPtr<DocumentFragment> XSLTProcessor::transformToFragment(Node* sourceNode, Document* outputDoc) 1378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project String resultMIMEType; 1398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project String resultString; 1408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project String resultEncoding; 1418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // If the output document is HTML, default to HTML method. 1438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (outputDoc->isHTMLDocument()) 1448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project resultMIMEType = "text/html"; 145231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 1468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (!transformToString(sourceNode, resultMIMEType, resultString, resultEncoding)) 1478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return 0; 148635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project return createFragmentFromSource(resultString, resultMIMEType, outputDoc); 1498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 151635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Projectvoid XSLTProcessor::setParameter(const String& /*namespaceURI*/, const String& localName, const String& value) 1528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // FIXME: namespace support? 1548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // should make a QualifiedName here but we'd have to expose the impl 1558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project m_parameters.set(localName, value); 1568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 158635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source ProjectString XSLTProcessor::getParameter(const String& /*namespaceURI*/, const String& localName) const 1598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // FIXME: namespace support? 1618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // should make a QualifiedName here but we'd have to expose the impl 1628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return m_parameters.get(localName); 1638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 165635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Projectvoid XSLTProcessor::removeParameter(const String& /*namespaceURI*/, const String& localName) 1668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // FIXME: namespace support? 1688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project m_parameters.remove(localName); 1698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 171231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Blockvoid XSLTProcessor::reset() 172231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block{ 173231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block m_stylesheet.clear(); 174231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block m_stylesheetRootNode.clear(); 175231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block m_parameters.clear(); 176231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block} 177231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 1788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} // namespace WebCore 1798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif // ENABLE(XSLT) 181