added new api functions: PlayListParser::savePlayList and

PlayListParser::loadPlaylist


git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@3929 90c681e8-e032-0410-971d-27865f9a5e38

3 files changed, 70 insertions, 47 deletions

diff --git a/src/qmmpui/playlistmodel.cpp b/src/qmmpui/playlistmodel.cpp
index cd45d8cb2..3e930198f 100644
--- a/src/qmmpui/playlistmodel.cpp
+++ b/src/qmmpui/playlistmodel.cpp
@@ -809,60 +809,19 @@ void PlayListModel::doCurrentVisibleRequest()
 
 void PlayListModel::loadPlaylist(const QString &f_name)
 {
-    if(!QFile::exists(f_name))
-        return;
-    PlayListFormat* prs = PlayListParser::findByPath(f_name);
-    if(!prs)
-        return;
-
-    QFile file(f_name);
-    if (!file.open(QIODevice::ReadOnly))
-    {
-        qWarning("PlayListModel: %s", qPrintable(file.errorString()));
-        return;
-    }
-
-    //clear();
-    QStringList list = prs->decode(QTextStream(&file).readAll());
-    if(list.isEmpty())
-    {
-        qWarning("PlayListModel: error opening %s",qPrintable(f_name));
-    }
-    for (int i = 0; i < list.size(); ++i)
-    {
-        if(list.at(i).contains("://"))
-            continue;
-
-        if (QFileInfo(list.at(i)).isRelative())
-            list[i].prepend(QFileInfo(f_name).canonicalPath () + QDir::separator ());
-    }
+    QStringList list = PlayListParser::loadPlaylist(f_name);
     m_loader->add(list);
-    file.close();
 }
 
-void PlayListModel::savePlaylist(const QString & f_name)
+void PlayListModel::savePlaylist(const QString &f_name)
 {
-    PlayListFormat* prs = PlayListParser::findByPath(f_name);
-    if (!prs)
-        return;
-
-    QFile file(f_name);
-    if (file.open(QIODevice::WriteOnly))
+    QList <PlayListTrack *> songs;
+    for(int i = 0; i < m_container->count(); ++i)
     {
-        QTextStream ts(&file);
-        QList <PlayListTrack *> songs;
-        for(int i = 0; i < m_container->count(); ++i)
-        {
-            if(!isTrack(i))
-                continue;
+        if(isTrack(i))
             songs << m_container->track(i);
-        }
-        ts << prs->encode(songs);
-        file.close();
     }
-    else
-        qWarning("Error opening %s",f_name.toLocal8Bit().data());
-
+    PlayListParser::savePlayList(songs, f_name);
 }
 
 bool PlayListModel::isRepeatableList() const
diff --git a/src/qmmpui/playlistparser.cpp b/src/qmmpui/playlistparser.cpp
index 52cfa5c9b..5e467a132 100644
--- a/src/qmmpui/playlistparser.cpp
+++ b/src/qmmpui/playlistparser.cpp
@@ -23,6 +23,7 @@
 #include <QList>
 #include <QDir>
 #include <QApplication>
+#include <QTextStream>
 #include <qmmp/qmmp.h>
 #include "playlistformat.h"
 #include "playlistparser.h"
@@ -78,6 +79,56 @@ PlayListFormat *PlayListParser::findByUrl(const QUrl &url)
     return findByPath(path);
 }
 
+void PlayListParser::savePlayList(QList<PlayListTrack *> tracks, const QString &f_name)
+{
+    if(tracks.isEmpty())
+        return;
+    PlayListFormat* prs = PlayListParser::findByPath(f_name);
+    if (!prs)
+        return;
+    QFile file(f_name);
+    if (file.open(QIODevice::WriteOnly))
+    {
+        QTextStream ts(&file);
+        ts << prs->encode(tracks);
+        file.close();
+    }
+    else
+        qWarning("PlayListParser: unable to save playlist, error: %s", qPrintable(file.errorString()));
+}
+
+QStringList PlayListParser::loadPlaylist(const QString &f_name)
+{
+    QStringList list;
+    if(!QFile::exists(f_name))
+        return list;
+    PlayListFormat* prs = PlayListParser::findByPath(f_name);
+    if(!prs)
+        return list;
+
+    QFile file(f_name);
+    if (!file.open(QIODevice::ReadOnly))
+    {
+        qWarning("PlayListParser: unable to open playlist, error: %s", qPrintable(file.errorString()));
+        return;
+    }
+
+    list = prs->decode(QTextStream(&file).readAll());
+    if(list.isEmpty())
+        qWarning("PlayListParser: error opening %s",qPrintable(f_name));
+
+    for (int i = 0; i < list.size(); ++i)
+    {
+        if(list.at(i).contains("://"))
+            continue;
+
+        if (QFileInfo(list.at(i)).isRelative())
+            list[i].prepend(QFileInfo(f_name).canonicalPath () + "/");
+    }
+    file.close();
+    return list;
+}
+
 void PlayListParser::checkFormats()
 {
     if (m_formats)
diff --git a/src/qmmpui/playlistparser.h b/src/qmmpui/playlistparser.h
index b2fdc44c9..c8e779b84 100644
--- a/src/qmmpui/playlistparser.h
+++ b/src/qmmpui/playlistparser.h
@@ -22,6 +22,7 @@
 
 #include <QStringList>
 #include <QUrl>
+#include "playlisttrack.h"
 #include "playlistformat.h"
 
 /*! @brief The PlaylistParser class provides a simple api to access playlist format plugins.
@@ -53,6 +54,18 @@ public:
      * Returns \b 0 if file \b filePath is unsupported.
      */
     static PlayListFormat *findByUrl(const QUrl &url);
+    /*!
+     * Saves a list of tracks to the file.
+     * @param tracks A list of tracks.
+     * @param f_name File name the  playlist.
+     */
+    static void savePlayList(QList <PlayListTrack *> tracks, const QString &f_name);
+    /*!
+     * Loads playlist from file \b f_name
+     * @param f_name File name.
+     * @return A list of URLs or file paths.
+     */
+    static QStringList loadPlaylist(const QString &f_name);
 
 private:
     PlayListParser(){}