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xspfplaylistformat.cpp

/***************************************************************************
 *   Copyright (C) 2008 by Ilya Kotov                                      *
 *   forkotov02@hotmail.ru                                                 *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#include <QDomDocument>
#include <QDomElement>
#include <QFileInfo>
#include <QUrl>
#include <QtPlugin>

#ifndef QMMP_STR_VERSION
#define QMMP_STR_VERSION "0.2.0"
#endif

#include "xspfplaylistformat.h"

// Needs more work - it's better use libSpiff there and put it as plugin.

00035 QStringList XSPFPlaylistFormat::decode(const QString & contents)
{
    QStringList out;
    QDomDocument doc;
    QString errorMsg;
    int errorCol;
    int errorRow;
    bool ok = doc.setContent(contents, &errorMsg, &errorRow, &errorCol);

    if (!ok)
        qDebug("Parse Error: %s\tRow:%d\tCol%d",
               qPrintable(errorMsg), errorRow, errorCol );

    QDomElement rootElement = doc.firstChildElement("playlist");
    if (rootElement.isNull())
        qWarning("Error parsing XSPF: can't find 'playlist' element");

    QDomElement tracklistElement = rootElement.firstChildElement("trackList");
    if (tracklistElement.isNull())
        qWarning("Error parsing XSPF: can't find 'trackList' element");

    QDomElement child = tracklistElement.firstChildElement("track");

    while (!child.isNull())
    {
        QString str = QUrl(child.firstChildElement("location").text()).toString(QUrl::RemoveScheme);
        out << str;
        child = child.nextSiblingElement();
    }

    return out;
}

// Needs more work - it's better use libSpiff there and put it as plugin.

00070 QString XSPFPlaylistFormat::encode(const QList< SongInfo * > & files)
{
    QDomDocument doc;
    QDomElement root = doc.createElement("playlist");
    root.setAttribute("version",QString("1"));
    root.setAttribute("xmlns",QString("http://xspf.org/ns/0"));

    QDomElement creator = doc.createElement("creator");
    QDomText text = doc.createTextNode("qmmp-" + QString(QMMP_STR_VERSION));
    creator.appendChild(text);
    root.appendChild(creator);

    QDomElement tracklist = doc.createElement("trackList");

    int counter = 1;
    foreach(SongInfo* f,files)
    {
        QDomElement track = doc.createElement("track");

        QDomElement ch = doc.createElement("location");
        QDomText text = doc.createTextNode(/*QString("file://") + */QFileInfo(f->path()).absoluteFilePath());
        ch.appendChild(text);
        track.appendChild(ch);

        ch = doc.createElement("title");
        text = doc.createTextNode(f->title());
        ch.appendChild(text);
        track.appendChild(ch);

        ch = doc.createElement("trackNum");
        text = doc.createTextNode(QString::number(counter));
        ch.appendChild(text);
        track.appendChild(ch);

        ch = doc.createElement("year");
        text = doc.createTextNode(QString::number(f->year()));
        ch.appendChild(text);
        track.appendChild(ch);

        tracklist.appendChild(track);
        counter ++;
    }

    root.appendChild(tracklist);
    doc.appendChild( root );
    QString xml_header("<?xml version='1.0' encoding='UTF-8'?>\n");
    return doc.toString().prepend(xml_header);
}

XSPFPlaylistFormat::XSPFPlaylistFormat()
{
    m_supported_formats << "xspf";
}

00124 bool XSPFPlaylistFormat::hasFormat(const QString & f)
{
    foreach(QString s,m_supported_formats)
    if (f == s)
        return true;

    return false;
}

00133 QStringList XSPFPlaylistFormat::getExtensions() const
{
    return m_supported_formats;
}


00139 QString XSPFPlaylistFormat::name() const
{
    return "XSPFPlaylistFormat";
}

Q_EXPORT_PLUGIN(XSPFPlaylistFormat)

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