moved playlist formats support to plugins

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@397 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 101 insertions, 0 deletions

diff --git a/src/qmmpui/playlistparser.cpp b/src/qmmpui/playlistparser.cpp
new file mode 100644
index 000000000..45f14595d
--- /dev/null
+++ b/src/qmmpui/playlistparser.cpp
@@ -0,0 +1,101 @@
+/***************************************************************************
+ *   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 <QtGui>
+#include <QObject>
+#include <QList>
+#include <QApplication>
+
+#include "playlistformat.h"
+#include "songinfo.h"
+#include "playlistparser.h"
+
+PlaylistParser *PlaylistParser::m_instance = 0;
+
+PlaylistParser::PlaylistParser(QObject *parent) : QObject (parent)
+{
+    m_instance = this;
+}
+
+PlaylistParser::~PlaylistParser()
+{}
+
+QStringList PlaylistParser::getExtensions()
+{
+    loadExternalPlaylistFormats();
+    QStringList extensions;
+    foreach(PlaylistFormat *format, m_formats)
+    extensions << format->getExtensions();
+    return extensions;
+}
+
+bool PlaylistParser::supports(const QString &filePath)
+{
+    return findByPath(filePath) != 0;
+}
+
+QList<PlaylistFormat*> PlaylistParser::formats()
+{
+    loadExternalPlaylistFormats();
+    return m_formats;
+}
+
+PlaylistFormat *PlaylistParser::findByPath(const QString &filePath)
+{
+    loadExternalPlaylistFormats();
+    foreach(PlaylistFormat* format, m_formats)
+    {
+        if (format->hasFormat(QFileInfo(filePath).suffix().toLower()))
+            return format;
+    }
+    return 0;
+}
+
+PlaylistParser* PlaylistParser::instance()
+{
+    if(!m_instance)
+        qFatal("PlaylistParser: object is not created");
+    return m_instance;
+}
+
+void PlaylistParser::loadExternalPlaylistFormats()
+{
+    if (!m_formats.isEmpty())
+        return;
+    QDir pluginsDir (qApp->applicationDirPath());
+    pluginsDir.cdUp();
+    pluginsDir.cd("./"LIB_DIR"/qmmp/PlaylistFormats");
+    foreach (QString fileName, pluginsDir.entryList(QDir::Files))
+    {
+        QPluginLoader loader(pluginsDir.absoluteFilePath(fileName));
+        QObject *plugin = loader.instance();
+        if (loader.isLoaded())
+            qDebug("PlaylistParser: plugin loaded - %s", qPrintable(fileName));
+        else
+            qWarning("PlaylistParser: %s", qPrintable(loader.errorString ()));
+
+        PlaylistFormat *fmt = 0;
+        if (plugin)
+            fmt = qobject_cast<PlaylistFormat *>(plugin);
+
+        if (fmt)
+            m_formats << fmt;
+    }
+}