Qt 4.3: xbelgenerator.cpp Example File (xml/saxbookmarks/xbelgenerator.cpp)

|  | Home · All Classes · Main Classes · Grouped Classes · Modules · Functions |

# xbelgenerator.cpp Example File
xml/saxbookmarks/xbelgenerator.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the documentation of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
    ** License versions 2.0 or 3.0 as published by the Free Software
    ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
    ** included in the packaging of this file.  Alternatively you may (at
    ** your option) use any later version of the GNU General Public
    ** License if such license has been publicly approved by Trolltech ASA
    ** (or its successors, if any) and the KDE Free Qt Foundation. In
    ** addition, as a special exception, Trolltech gives you certain
    ** additional rights. These rights are described in the Trolltech GPL
    ** Exception version 1.2, which can be found at
    ** http://www.trolltech.com/products/qt/gplexception/ and in the file
    ** GPL_EXCEPTION.txt in this package.
    **
    ** Please review the following information to ensure GNU General
    ** Public Licensing requirements will be met:
    ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
    ** you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
    ** or contact the sales department at sales@trolltech.com.
    **
    ** In addition, as a special exception, Trolltech, as the sole
    ** copyright holder for Qt Designer, grants users of the Qt/Eclipse
    ** Integration plug-in the right for the Qt/Eclipse Integration to
    ** link to functionality provided by Qt Designer and its related
    ** libraries.
    **
    ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
    ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
    ** granted herein.
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     #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";
         }
     }