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-rw-r--r--WebCore/xml/XSLTProcessorQt.cpp149
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+/*
+ * This file is part of the XSL implementation.
+ *
+ * Copyright (C) 2009 Jakub Wieczorek <faw217@gmail.com>
+ *
+ * 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"
+
+#if ENABLE(XSLT)
+
+#include "XSLTProcessor.h"
+
+#include "Console.h"
+#include "DOMWindow.h"
+#include "Frame.h"
+#include "TransformSource.h"
+#include "loader.h"
+#include "markup.h"
+#include <wtf/Assertions.h>
+#include <wtf/Platform.h>
+#include <wtf/Vector.h>
+
+#include <qabstractmessagehandler.h>
+#include <qbuffer.h>
+#include <qsourcelocation.h>
+#include <qxmlquery.h>
+
+namespace WebCore {
+
+class XSLTMessageHandler : public QAbstractMessageHandler {
+
+public:
+ XSLTMessageHandler(Document* document = 0);
+ virtual void handleMessage(QtMsgType type, const QString& description,
+ const QUrl& identifier, const QSourceLocation& sourceLocation);
+
+private:
+ Document* m_document;
+};
+
+XSLTMessageHandler::XSLTMessageHandler(Document* document)
+ : QAbstractMessageHandler()
+ , m_document(document)
+{
+}
+
+void XSLTMessageHandler::handleMessage(QtMsgType type, const QString& description,
+ const QUrl&, const QSourceLocation& sourceLocation)
+{
+ if (!m_document->frame())
+ return;
+
+ MessageLevel level;
+ switch (type) {
+ case QtDebugMsg:
+ level = TipMessageLevel;
+ break;
+ case QtWarningMsg:
+ level = WarningMessageLevel;
+ break;
+ case QtCriticalMsg:
+ case QtFatalMsg:
+ level = ErrorMessageLevel;
+ break;
+ default:
+ level = LogMessageLevel;
+ break;
+ }
+
+ Console* console = m_document->frame()->domWindow()->console();
+ console->addMessage(XMLMessageSource, LogMessageType, level, description,
+ sourceLocation.line(), sourceLocation.uri().toString());
+}
+
+bool XSLTProcessor::transformToString(Node* sourceNode, String&, String& resultString, String&)
+{
+ bool success = false;
+
+ RefPtr<XSLStyleSheet> stylesheet = m_stylesheet;
+ if (!stylesheet && m_stylesheetRootNode) {
+ Node* node = m_stylesheetRootNode.get();
+ stylesheet = XSLStyleSheet::create(node->parent() ? node->parent() : node, node->document()->url().string());
+ stylesheet->parseString(createMarkup(node));
+ }
+
+ if (!stylesheet || stylesheet->sheetString().isEmpty())
+ return success;
+
+ RefPtr<Document> ownerDocument = sourceNode->document();
+ bool sourceIsDocument = (sourceNode == ownerDocument.get());
+
+ QXmlQuery query(QXmlQuery::XSLT20);
+
+ XSLTMessageHandler messageHandler(ownerDocument.get());
+ query.setMessageHandler(&messageHandler);
+
+ XSLTProcessor::ParameterMap::iterator end = m_parameters.end();
+ for (XSLTProcessor::ParameterMap::iterator it = m_parameters.begin(); it != end; ++it)
+ query.bindVariable(QString(it->first), QXmlItem(QVariant(it->second)));
+
+ QString source;
+ if (sourceIsDocument && ownerDocument->transformSource())
+ source = ownerDocument->transformSource()->platformSource();
+ if (!sourceIsDocument || source.isEmpty())
+ source = createMarkup(sourceNode);
+
+ QBuffer inputBuffer;
+ QBuffer styleSheetBuffer;
+ QBuffer outputBuffer;
+
+ inputBuffer.setData(source.toUtf8());
+ styleSheetBuffer.setData(QString(stylesheet->sheetString()).toUtf8());
+
+ inputBuffer.open(QIODevice::ReadOnly);
+ styleSheetBuffer.open(QIODevice::ReadOnly);
+ outputBuffer.open(QIODevice::ReadWrite);
+
+ query.setFocus(&inputBuffer);
+ query.setQuery(&styleSheetBuffer, QUrl(stylesheet->href()));
+ success = query.evaluateTo(&outputBuffer);
+ outputBuffer.reset();
+ resultString = QString::fromUtf8(outputBuffer.readAll()).trimmed();
+
+ if (m_stylesheet) {
+ m_stylesheet->clearDocuments();
+ m_stylesheet = 0;
+ }
+
+ return success;
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(XSLT)