Initial commit.

src/playlistparsers/plsparser.cpp

@@ -0,0 +1,91 @@
+/*
+ * Strawberry Music Player
+ * This file was part of Clementine.
+ * Copyright 2010, David Sansome <me@davidsansome.com>
+ *
+ * Strawberry 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry 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 Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+#include "config.h"
+
+#include "plsparser.h"
+#include "core/logging.h"
+#include "core/timeconstants.h"
+
+#include <QTextStream>
+#include <QtDebug>
+
+PLSParser::PLSParser(CollectionBackendInterface *collection, QObject *parent)
+    : ParserBase(collection, parent) {}
+
+SongList PLSParser::Load(QIODevice *device, const QString &playlist_path, const QDir &dir) const {
+
+  QMap<int, Song> songs;
+  QRegExp n_re("\\d+$");
+
+  while (!device->atEnd()) {
+    QString line = QString::fromUtf8(device->readLine()).trimmed();
+    int equals = line.indexOf('=');
+    QString key = line.left(equals).toLower();
+    QString value = line.mid(equals + 1);
+
+    n_re.indexIn(key);
+    int n = n_re.cap(0).toInt();
+
+    if (key.startsWith("file")) {
+      Song song = LoadSong(value, 0, dir);
+
+      // Use the title and length we've already loaded if any
+      if (!songs[n].title().isEmpty()) song.set_title(songs[n].title());
+      if (songs[n].length_nanosec() != -1)
+        song.set_length_nanosec(songs[n].length_nanosec());
+
+      songs[n] = song;
+    }
+    else if (key.startsWith("title")) {
+      songs[n].set_title(value);
+    }
+    else if (key.startsWith("length")) {
+      qint64 seconds = value.toLongLong();
+      if (seconds > 0) {
+        songs[n].set_length_nanosec(seconds * kNsecPerSec);
+      }
+    }
+  }
+
+  return songs.values();
+
+}
+
+void PLSParser::Save(const SongList &songs, QIODevice *device, const QDir &dir, Playlist::Path path_type) const {
+
+  QTextStream s(device);
+  s << "[playlist]" << endl;
+  s << "Version=2" << endl;
+  s << "NumberOfEntries=" << songs.count() << endl;
+
+  int n = 1;
+  for (const Song &song : songs) {
+    s << "File" << n << "=" << URLOrFilename(song.url(), dir, path_type) << endl;
+    s << "Title" << n << "=" << song.title() << endl;
+    s << "Length" << n << "=" << song.length_nanosec() / kNsecPerSec << endl;
+    ++n;
+  }
+
+}
+
+bool PLSParser::TryMagic(const QByteArray &data) const {
+  return data.toLower().contains("[playlist]");
+}