author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 12 Mar 2010 15:46:37 +0200 | |
branch | RCL_3 |
changeset 5 | d3bac044e0f0 |
parent 4 | 3b1da2848fc7 |
child 30 | 5dc02b23752f |
permissions | -rw-r--r-- |
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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) 2009 Jakub Wieczorek <faw217@gmail.com> |
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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 "Console.h" |
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#include "DOMWindow.h" |
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#include "Frame.h" |
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#include "TransformSource.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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#include <qabstractmessagehandler.h> |
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#include <qabstracturiresolver.h> |
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#include <qbuffer.h> |
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#include <qsourcelocation.h> |
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#include <qxmlquery.h> |
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namespace WebCore { |
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class XSLTMessageHandler : public QAbstractMessageHandler { |
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public: |
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XSLTMessageHandler(Document* document = 0); |
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virtual void handleMessage(QtMsgType type, const QString& description, |
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const QUrl& identifier, const QSourceLocation& sourceLocation); |
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private: |
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Document* m_document; |
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}; |
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XSLTMessageHandler::XSLTMessageHandler(Document* document) |
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: QAbstractMessageHandler() |
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, m_document(document) |
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{ |
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} |
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void XSLTMessageHandler::handleMessage(QtMsgType type, const QString& description, |
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const QUrl&, const QSourceLocation& sourceLocation) |
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{ |
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if (!m_document->frame()) |
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return; |
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MessageLevel level; |
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switch (type) { |
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case QtDebugMsg: |
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level = TipMessageLevel; |
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break; |
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case QtWarningMsg: |
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level = WarningMessageLevel; |
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break; |
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case QtCriticalMsg: |
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case QtFatalMsg: |
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level = ErrorMessageLevel; |
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break; |
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default: |
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level = LogMessageLevel; |
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break; |
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} |
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Console* console = m_document->frame()->domWindow()->console(); |
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console->addMessage(XMLMessageSource, LogMessageType, level, description, |
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sourceLocation.line(), sourceLocation.uri().toString()); |
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} |
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class XSLTUriResolver : public QAbstractUriResolver { |
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public: |
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XSLTUriResolver(Document* document); |
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virtual QUrl resolve(const QUrl& relative, const QUrl& baseURI) const; |
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private: |
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Document* m_document; |
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}; |
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XSLTUriResolver::XSLTUriResolver(Document* document) |
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: QAbstractUriResolver() |
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, m_document(document) |
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{ |
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} |
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QUrl XSLTUriResolver::resolve(const QUrl& relative, const QUrl& baseURI) const |
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{ |
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QUrl url = baseURI.resolved(relative); |
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if (!m_document->frame() || !m_document->securityOrigin()->canRequest(url)) |
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return QUrl(); |
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return url; |
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} |
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bool XSLTProcessor::transformToString(Node* sourceNode, String&, String& resultString, String&) |
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{ |
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bool success = false; |
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RefPtr<XSLStyleSheet> stylesheet = m_stylesheet; |
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if (!stylesheet && m_stylesheetRootNode) { |
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Node* node = m_stylesheetRootNode.get(); |
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stylesheet = XSLStyleSheet::create(node->parent() ? node->parent() : node, node->document()->url().string()); |
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stylesheet->parseString(createMarkup(node)); |
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} |
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if (!stylesheet || stylesheet->sheetString().isEmpty()) |
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return success; |
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RefPtr<Document> ownerDocument = sourceNode->document(); |
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bool sourceIsDocument = (sourceNode == ownerDocument.get()); |
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QXmlQuery query(QXmlQuery::XSLT20); |
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XSLTMessageHandler messageHandler(ownerDocument.get()); |
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XSLTUriResolver uriResolver(ownerDocument.get()); |
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query.setMessageHandler(&messageHandler); |
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XSLTProcessor::ParameterMap::iterator end = m_parameters.end(); |
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for (XSLTProcessor::ParameterMap::iterator it = m_parameters.begin(); it != end; ++it) |
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query.bindVariable(QString(it->first), QXmlItem(QVariant(it->second))); |
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QString source; |
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if (sourceIsDocument && ownerDocument->transformSource()) |
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source = ownerDocument->transformSource()->platformSource(); |
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if (!sourceIsDocument || source.isEmpty()) |
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source = createMarkup(sourceNode); |
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QBuffer inputBuffer; |
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QBuffer styleSheetBuffer; |
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QBuffer outputBuffer; |
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inputBuffer.setData(source.toUtf8()); |
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styleSheetBuffer.setData(QString(stylesheet->sheetString()).toUtf8()); |
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inputBuffer.open(QIODevice::ReadOnly); |
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styleSheetBuffer.open(QIODevice::ReadOnly); |
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outputBuffer.open(QIODevice::ReadWrite); |
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query.setFocus(&inputBuffer); |
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query.setQuery(&styleSheetBuffer, QUrl(stylesheet->href())); |
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query.setUriResolver(&uriResolver); |
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success = query.evaluateTo(&outputBuffer); |
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outputBuffer.reset(); |
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resultString = QString::fromUtf8(outputBuffer.readAll()).trimmed(); |
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if (m_stylesheet) { |
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m_stylesheet->clearDocuments(); |
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m_stylesheet = 0; |
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} |
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return success; |
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} |
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} // namespace WebCore |
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#endif // ENABLE(XSLT) |