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    40 ****************************************************************************/

    41 

    42 #include <QtGui>

    43 

    44 #include "xbelgenerator.h"

    45 

    46 XbelGenerator::XbelGenerator(QTreeWidget *treeWidget)

    47     : treeWidget(treeWidget)

    48 {

    49 }

    50 

    51 bool XbelGenerator::write(QIODevice *device)

    52 {

    53     out.setDevice(device);

    54     out.setCodec("UTF-8");

    55     out << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"

    56         << "<!DOCTYPE xbel>\n"

    57         << "<xbel version=\"1.0\">\n";

    58 

    59     for (int i = 0; i < treeWidget->topLevelItemCount(); ++i)

    60         generateItem(treeWidget->topLevelItem(i), 1);

    61 

    62     out << "</xbel>\n";

    63     return true;

    64 }

    65 

    66 QString XbelGenerator::indent(int depth)

    67 {

    68     const int IndentSize = 4;

    69     return QString(IndentSize * depth, ' ');

    70 }

    71 

    72 QString XbelGenerator::escapedText(const QString &str)

    73 {

    74     QString result = str;

    75     result.replace("&", "&");

    76     result.replace("<", "&lt;");

    77     result.replace(">", ">");

    78     return result;

    79 }

    80 

    81 QString XbelGenerator::escapedAttribute(const QString &str)

    82 {

    83     QString result = escapedText(str);

    84     result.replace("\"", """);

    85     result.prepend("\"");

    86     result.append("\"");

    87     return result;

    88 }

    89 

    90 void XbelGenerator::generateItem(QTreeWidgetItem *item, int depth)

    91 {

    92     QString tagName = item->data(0, Qt::UserRole).toString();

    93     if (tagName == "folder") {

    94         bool folded = !treeWidget->isItemExpanded(item);

    95         out << indent(depth) << "<folder folded=\"" << (folded ? "yes" : "no")

    96                              << "\">\n"

    97             << indent(depth + 1) << "<title>" << escapedText(item->text(0))

    98                                  << "</title>\n";

    99 

   100         for (int i = 0; i < item->childCount(); ++i)

   101             generateItem(item->child(i), depth + 1);

   102 

   103         out << indent(depth) << "</folder>\n";

   104     } else if (tagName == "bookmark") {

   105         out << indent(depth) << "<bookmark";

   106         if (!item->text(1).isEmpty())

   107             out << " href=" << escapedAttribute(item->text(1));

   108         out << ">\n"

   109             << indent(depth + 1) << "<title>" << escapedText(item->text(0))

   110                                  << "</title>\n"

   111             << indent(depth) << "</bookmark>\n";

   112     } else if (tagName == "separator") {

   113         out << indent(depth) << "<separator/>\n";

   114     }

   115 }