Dont replace metadata when loading playlists

src/core/songloader.cpp

@@ -228,7 +228,7 @@ SongLoader::Result SongLoader::LoadLocal(const QString &filename) {
   if (collection_->ExecQuery(&query) && query.Next()) {
     // We may have many results when the file has many sections
     do {
-      Song song(Song::Source_LocalFile);
+      Song song(Song::Source_Collection);
       song.InitFromQuery(query, true);
 
       if (song.is_valid()) {

src/core/utilities.cpp

@@ -514,6 +514,26 @@ bool ParseUntilElement(QXmlStreamReader *reader, const QString &name) {
 
 }
 
+bool ParseUntilElementCI(QXmlStreamReader *reader, const QString &name) {
+
+  while (!reader->atEnd()) {
+    QXmlStreamReader::TokenType type = reader->readNext();
+    switch (type) {
+      case QXmlStreamReader::StartElement:{
+        QString element = reader->name().toString().toLower();
+        if (element == name) {
+          return true;
+        }
+        break;
+      }
+      default:
+        break;
+    }
+  }
+  return false;
+
+}
+
 QDateTime ParseRFC822DateTime(const QString &text) {
 
   QRegExp regexp("(\\d{1,2}) (\\w{3,12}) (\\d+) (\\d{1,2}):(\\d{1,2}):(\\d{1,2})");

src/core/utilities.h

@@ -96,6 +96,7 @@ void ConsumeCurrentElement(QXmlStreamReader *reader);
 // Advances the stream reader until it finds an element with the given name.
 // Returns false if the end of the document was reached before finding a matching element.
 bool ParseUntilElement(QXmlStreamReader *reader, const QString &name);
+bool ParseUntilElementCI(QXmlStreamReader *reader, const QString &name);
 
 // Parses a string containing an RFC822 time and date.
 QDateTime ParseRFC822DateTime(const QString &text);

src/playlistparsers/asxparser.cpp

@@ -46,21 +46,9 @@ SongList ASXParser::Load(QIODevice *device, const QString &playlist_path, const
   // We have to load everything first so we can munge the "XML".
   QByteArray data = device->readAll();
 
-  // (thanks Amarok...)
-  // ASX looks a lot like xml, but doesn't require tags to be case sensitive,
-  // meaning we have to accept things like: <Abstract>...</abstract>
-  // We use a dirty way to achieve this: we make all tags lower case
-  QRegExp ex("(<[/]?[^>]*[A-Z]+[^>]*>)");
-  ex.setCaseSensitivity(Qt::CaseInsensitive);
-  int index = 0;
-  while ((index = ex.indexIn(data, index)) != -1) {
-    data.replace(ex.cap(1).toLocal8Bit(), ex.cap(1).toLower().toLocal8Bit());
-    index += ex.matchedLength();
-  }
-
   // Some playlists have unescaped & characters in URLs :(
-  ex.setPattern("(href\\s*=\\s*\")([^\"]+)\"");
-  index = 0;
+  QRegExp ex("(href\\s*=\\s*\")([^\"]+)\"");
+  int index = 0;
   while ((index = ex.indexIn(data, index)) != -1) {
     QString url = ex.cap(2);
     url.replace(QRegExp("&(?!amp;|quot;|apos;|lt;|gt;)"), "&amp;");
@@ -76,16 +64,17 @@ SongList ASXParser::Load(QIODevice *device, const QString &playlist_path, const
   SongList ret;
 
   QXmlStreamReader reader(&buffer);
-  if (!Utilities::ParseUntilElement(&reader, "asx")) {
+  if (!Utilities::ParseUntilElementCI(&reader, "asx")) {
     return ret;
   }
 
-  while (!reader.atEnd() && Utilities::ParseUntilElement(&reader, "entry")) {
+  while (!reader.atEnd() && Utilities::ParseUntilElementCI(&reader, "entry")) {
     Song song = ParseTrack(&reader, dir);
     if (song.is_valid()) {
       ret << song;
     }
   }
+
   return ret;
 
 }
@@ -99,18 +88,21 @@ Song ASXParser::ParseTrack(QXmlStreamReader *reader, const QDir &dir) const {
 
     switch (type) {
       case QXmlStreamReader::StartElement: {
-        QStringRef name = reader->name();
+        QString name = reader->name().toString().toLower();
         if (name == "ref") {
           ref = reader->attributes().value("href").toString();
-        } else if (name == "title") {
+        }
+        else if (name == "title") {
           title = reader->readElementText();
-        } else if (name == "author") {
+        }
+        else if (name == "author") {
           artist = reader->readElementText();
         }
         break;
       }
       case QXmlStreamReader::EndElement: {
-        if (reader->name() == "entry") {
+        QString name = reader->name().toString().toLower();
+        if (name == "entry") {
           goto return_song;
         }
         break;
@@ -124,9 +116,12 @@ return_song:
   Song song = LoadSong(ref, 0, dir);
 
   // Override metadata with what was in the playlist
-  song.set_title(title);
-  song.set_artist(artist);
-  song.set_album(album);
+  if (song.source() != Song::Source_Collection) {
+    if (!title.isEmpty()) song.set_title(title);
+    if (!artist.isEmpty()) song.set_artist(artist);
+    if (!album.isEmpty()) song.set_album(album);
+  }
+
   return song;
 
 }

src/playlistparsers/m3uparser.cpp

@@ -121,6 +121,7 @@ bool M3UParser::ParseMetadata(const QString &line, M3UParser::Metadata *metadata
   metadata->artist = list[0].trimmed();
   metadata->title = list[1].trimmed();
   return true;
+
 }
 
 void M3UParser::Save(const SongList &songs, QIODevice *device, const QDir &dir, Playlist::Path path_type) const {
@@ -146,6 +147,7 @@ void M3UParser::Save(const SongList &songs, QIODevice *device, const QDir &dir,
     device->write(URLOrFilename(song.url(), dir, path_type).toUtf8());
     device->write("\n");
   }
+
 }
 
 bool M3UParser::TryMagic(const QByteArray &data) const {

src/playlistparsers/parserbase.cpp

@@ -93,7 +93,7 @@ void ParserBase::LoadSong(const QString &filename_or_url, qint64 beginning, cons
 
 Song ParserBase::LoadSong(const QString &filename_or_url, qint64 beginning, const QDir &dir) const {
 
-  Song song;
+  Song song(Song::Source_LocalFile);
   LoadSong(filename_or_url, beginning, dir, &song);
   return song;
 

src/playlistparsers/xmlparser.cpp

@@ -27,4 +27,3 @@ class CollectionBackendInterface;
 
 XMLParser::XMLParser(CollectionBackendInterface *collection, QObject *parent)
     : ParserBase(collection, parent) {}
-

src/playlistparsers/xspfparser.cpp

@@ -124,11 +124,14 @@ return_song:
   Song song = LoadSong(location, 0, dir);
 
   // Override metadata with what was in the playlist
-  song.set_title(title);
-  song.set_artist(artist);
-  song.set_album(album);
-  song.set_length_nanosec(nanosec);
-  song.set_track(track_num);
+  if (song.source() != Song::Source_Collection) {
+    if (!title.isEmpty()) song.set_title(title);
+    if (!artist.isEmpty()) song.set_artist(artist);
+    if (!album.isEmpty()) song.set_album(album);
+    if (nanosec > 0) song.set_length_nanosec(nanosec);
+    if (track_num > 0) song.set_track(track_num);
+  }
+
   return song;
 
 }