examples/xml/saxbookmarks/xbelgenerator.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/xml/saxbookmarks/xbelgenerator.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,115 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "xbelgenerator.h"
+
+XbelGenerator::XbelGenerator(QTreeWidget *treeWidget)
+    : treeWidget(treeWidget)
+{
+}
+
+bool XbelGenerator::write(QIODevice *device)
+{
+    out.setDevice(device);
+    out.setCodec("UTF-8");
+    out << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+        << "<!DOCTYPE xbel>\n"
+        << "<xbel version=\"1.0\">\n";
+
+    for (int i = 0; i < treeWidget->topLevelItemCount(); ++i)
+        generateItem(treeWidget->topLevelItem(i), 1);
+
+    out << "</xbel>\n";
+    return true;
+}
+
+QString XbelGenerator::indent(int depth)
+{
+    const int IndentSize = 4;
+    return QString(IndentSize * depth, ' ');
+}
+
+QString XbelGenerator::escapedText(const QString &str)
+{
+    QString result = str;
+    result.replace("&", "&amp;");
+    result.replace("<", "&lt;");
+    result.replace(">", "&gt;");
+    return result;
+}
+
+QString XbelGenerator::escapedAttribute(const QString &str)
+{
+    QString result = escapedText(str);
+    result.replace("\"", "&quot;");
+    result.prepend("\"");
+    result.append("\"");
+    return result;
+}
+
+void XbelGenerator::generateItem(QTreeWidgetItem *item, int depth)
+{
+    QString tagName = item->data(0, Qt::UserRole).toString();
+    if (tagName == "folder") {
+        bool folded = !treeWidget->isItemExpanded(item);
+        out << indent(depth) << "<folder folded=\"" << (folded ? "yes" : "no")
+                             << "\">\n"
+            << indent(depth + 1) << "<title>" << escapedText(item->text(0))
+                                 << "</title>\n";
+
+        for (int i = 0; i < item->childCount(); ++i)
+            generateItem(item->child(i), depth + 1);
+
+        out << indent(depth) << "</folder>\n";
+    } else if (tagName == "bookmark") {
+        out << indent(depth) << "<bookmark";
+        if (!item->text(1).isEmpty())
+            out << " href=" << escapedAttribute(item->text(1));
+        out << ">\n"
+            << indent(depth + 1) << "<title>" << escapedText(item->text(0))
+                                 << "</title>\n"
+            << indent(depth) << "</bookmark>\n";
+    } else if (tagName == "separator") {
+        out << indent(depth) << "<separator/>\n";
+    }
+}