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/***************************************************************************
* Copyright (C) 2008-2017 by Ilya Kotov *
* forkotov02@ya.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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <QXmlStreamReader>
#include <QXmlStreamWriter>
#include <QFileInfo>
#include <QUrl>
#include <QtPlugin>
#include <qmmp/qmmp.h>
#include "xspfplaylistformat.h"
// Needs more work - it's better use libSpiff there and put it as plugin.
const PlayListFormatProperties XSPFPlaylistFormat::XSPFPlaylistFormat::properties() const
{
PlayListFormatProperties p;
p.filters << "*.xspf";
p.shortName = "xspf";
p.contentTypes << "application/xspf+xml";
return p;
}
QList<PlayListTrack*> XSPFPlaylistFormat::decode(const QByteArray &contents)
{
QList<PlayListTrack*> out;
QString currentTag;
QString contents_copy = QString::fromUtf8(contents);
//remove control symbols to avoid xml errors
for(int i = 0; i < contents_copy.size(); ++i)
{
if(contents_copy[i] <= 0x1F)
{
contents_copy.replace(i, 1, "");
i--;
}
}
QXmlStreamReader xml(contents_copy);
while(!xml.atEnd() || !xml.hasError())
{
xml.readNext();
if (xml.isStartElement())
{
currentTag = xml.name().toString();
if(currentTag == "track")
out << new PlayListTrack();
}
else if (xml.isCharacters() && !xml.isWhitespace())
{
if(out.isEmpty())
continue;
if(currentTag == "location")
{
QUrl url(xml.text().toString());
if (url.scheme() == "file") //remove scheme for local files only
out.last()->setPath(QUrl::fromPercentEncoding(url.toString().toLatin1()).remove("file://"));
else
out.last()->setPath(QUrl::fromPercentEncoding(url.toString().toLatin1()));
}
else if(currentTag == "title")
{
out.last()->setValue(Qmmp::TITLE, xml.text().toString());
}
else if(currentTag == "creator")
{
out.last()->setValue(Qmmp::ARTIST, xml.text().toString());
}
else if(currentTag == "annotation")
{
out.last()->setValue(Qmmp::COMMENT, xml.text().toString());
}
else if(currentTag == "album")
{
out.last()->setValue(Qmmp::ALBUM, xml.text().toString());
}
else if(currentTag == "meta" && xml.attributes().value("rel") == "year")
{
out.last()->setValue(Qmmp::YEAR, xml.text().toString());
}
else
xml.skipCurrentElement();
}
}
if(xml.hasError())
{
qDebug("XSPFPlaylistFormat: parse error: %s (row:%lld, col:%lld",
qPrintable(xml.errorString()), xml.lineNumber(), xml.columnNumber());
}
return out;
}
// Needs more work - it's better use libSpiff there and put it as plugin.
QByteArray XSPFPlaylistFormat::encode(const QList<PlayListTrack*> &files, const QString &path)
{
QString xspfDir = QFileInfo(path).canonicalPath();
QByteArray out;
QXmlStreamWriter xml(&out);
xml.setCodec("UTF-8");
xml.setAutoFormatting(true);
xml.writeStartDocument();
xml.writeStartElement("playlist");
xml.writeAttribute("version", "1");
xml.writeAttribute("xmlns", "http://xspf.org/ns/0/");
xml.writeTextElement("creator", "qmmp-" + Qmmp::strVersion());
xml.writeStartElement("trackList");
int counter = 1;
foreach(PlayListTrack* f, files)
{
xml.writeStartElement("track");
QString url;
if (f->path().contains("://"))
{
url = QUrl::toPercentEncoding(f->path(), ":/");
}
else if(f->path().startsWith(xspfDir)) //relative path
{
QString p = f->path();
p.remove(0, xspfDir.size());
if(p.startsWith("/"))
p.remove(0, 1);
url = QUrl::toPercentEncoding(p, ":/");
}
else //absolute path
{
url = QUrl::toPercentEncoding(QLatin1String("file://") + f->path(), ":/");
}
xml.writeTextElement("location", url);
xml.writeTextElement("title", f->value(Qmmp::TITLE));
xml.writeTextElement("creator", f->value(Qmmp::ARTIST));
xml.writeTextElement("annotation", f->value(Qmmp::COMMENT));
xml.writeTextElement("album", f->value(Qmmp::ALBUM));
xml.writeTextElement("trackNum", QString::number(counter));
xml.writeStartElement("meta");
xml.writeAttribute("rel", "year");
xml.writeCharacters(f->value(Qmmp::YEAR));
xml.writeEndElement(); // meta
xml.writeEndElement(); // track
counter ++;
}
xml.writeEndElement(); //trackList
xml.writeEndElement(); //playlist
xml.writeEndDocument();
return out;
}
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