diff options
Diffstat (limited to 'src/base/UPlaylist.pas')
| -rw-r--r-- | src/base/UPlaylist.pas | 258 |
1 files changed, 130 insertions, 128 deletions
diff --git a/src/base/UPlaylist.pas b/src/base/UPlaylist.pas index 419ce687..03ae2ffb 100644 --- a/src/base/UPlaylist.pas +++ b/src/base/UPlaylist.pas @@ -34,21 +34,23 @@ interface {$I switches.inc} uses + Classes, USong, - UPath; + UPath, + UPathUtils; type TPlaylistItem = record - Artist: String; - Title: String; + Artist: UTF8String; + Title: UTF8String; SongID: Integer; end; APlaylistItem = array of TPlaylistItem; TPlaylist = record - Name: String; - Filename: String; + Name: UTF8String; + Filename: IPath; Items: APlaylistItem; end; @@ -68,20 +70,20 @@ type Playlists: APlaylist; constructor Create; - Procedure LoadPlayLists; - Function LoadPlayList(Index: Cardinal; Filename: String): Boolean; - Procedure SavePlayList(Index: Cardinal); + procedure LoadPlayLists; + function LoadPlayList(Index: Cardinal; const Filename: IPath): Boolean; + procedure SavePlayList(Index: Cardinal); - Procedure SetPlayList(Index: Cardinal); + procedure SetPlayList(Index: Cardinal); - Function AddPlaylist(Name: String): Cardinal; - Procedure DelPlaylist(const Index: Cardinal); + function AddPlaylist(const Name: UTF8String): Cardinal; + procedure DelPlaylist(const Index: Cardinal); - Procedure AddItem(const SongID: Cardinal; const iPlaylist: Integer = -1); - Procedure DelItem(const iItem: Cardinal; const iPlaylist: Integer = -1); + procedure AddItem(const SongID: Cardinal; const iPlaylist: Integer = -1); + procedure DelItem(const iItem: Cardinal; const iPlaylist: Integer = -1); - Procedure GetNames(var PLNames: array of String); - Function GetIndexbySongID(const SongID: Cardinal; const iPlaylist: Integer = -1): Integer; + procedure GetNames(var PLNames: array of UTF8String); + function GetIndexbySongID(const SongID: Cardinal; const iPlaylist: Integer = -1): Integer; end; {Modes: @@ -95,13 +97,15 @@ type implementation -uses USongs, - ULog, - UMain, - //UFiles, - UGraphic, - UThemes, - SysUtils; +uses + SysUtils, + USongs, + ULog, + UMain, + UFilesystem, + UGraphic, + UThemes, + UUnicodeUtils; //---------- //Create - Construct Class - Dummy for now @@ -117,90 +121,90 @@ end; //---------- Procedure TPlayListManager.LoadPlayLists; var - SR: TSearchRec; Len: Integer; PlayListBuffer: TPlayList; + Iter: IFileIterator; + FileInfo: TFileInfo; begin SetLength(Playlists, 0); - if FindFirst(PlayListPath + '*.upl', 0, SR) = 0 then + Iter := FileSystem.FileFind(PlayListPath.Append('*.upl'), 0); + while (Iter.HasNext) do begin - repeat - Len := Length(Playlists); - SetLength(Playlists, Len +1); + Len := Length(Playlists); + SetLength(Playlists, Len + 1); + + FileInfo := Iter.Next; - if not LoadPlayList (Len, Sr.Name) then - SetLength(Playlists, Len) - else + if not LoadPlayList(Len, FileInfo.Name) then + SetLength(Playlists, Len) + else + begin + // Sort the Playlists - Insertion Sort + PlayListBuffer := Playlists[Len]; + Dec(Len); + while (Len >= 0) AND (CompareText(Playlists[Len].Name, PlayListBuffer.Name) >= 0) do begin - // Sort the Playlists - Insertion Sort - PlayListBuffer := Playlists[Len]; - Dec(Len); - while (Len >= 0) AND (CompareText(Playlists[Len].Name, PlayListBuffer.Name) >= 0) do - begin - Playlists[Len+1] := Playlists[Len]; - Dec(Len); - end; - Playlists[Len+1] := PlayListBuffer; + Playlists[Len+1] := Playlists[Len]; + Dec(Len); end; - - until FindNext(SR) <> 0; - FindClose(SR); - end; + Playlists[Len+1] := PlayListBuffer; + end; + end; end; //---------- //LoadPlayList - Load a Playlist in the Array //---------- -Function TPlayListManager.LoadPlayList(Index: Cardinal; Filename: String): Boolean; - var - F: TextFile; - Line: String; - PosDelimiter: Integer; - SongID: Integer; - Len: Integer; +function TPlayListManager.LoadPlayList(Index: Cardinal; const Filename: IPath): Boolean; - Function FindSong(Artist, Title: String): Integer; + function FindSong(Artist, Title: UTF8String): Integer; var I: Integer; begin Result := -1; For I := low(CatSongs.Song) to high(CatSongs.Song) do begin - if (CatSongs.Song[I].Title = Title) AND (CatSongs.Song[I].Artist = Artist) then + if (CatSongs.Song[I].Title = Title) and (CatSongs.Song[I].Artist = Artist) then begin Result := I; Break; end; end; end; + +var + TextStream: TTextFileStream; + Line: UTF8String; + PosDelimiter: Integer; + SongID: Integer; + Len: Integer; + FilenameAbs: IPath; begin - if not FileExists(PlayListPath + Filename) then - begin - Log.LogError('Could not load Playlist: ' + Filename); - Result := False; - Exit; + //Load File + try + FilenameAbs := PlaylistPath.Append(Filename); + TextStream := TMemTextFileStream.Create(FilenameAbs, fmOpenRead); + except + begin + Log.LogError('Could not load Playlist: ' + FilenameAbs.ToNative); + Result := False; + Exit; + end; end; Result := True; - //Load File - AssignFile(F, PlayListPath + FileName); - Reset(F); - //Set Filename - PlayLists[Index].Filename := Filename; - PlayLists[Index].Name := ''; + Playlists[Index].Filename := Filename; + Playlists[Index].Name := ''; //Read Until End of File - While not Eof(F) do + while TextStream.ReadLine(Line) do begin - //Read Curent Line - Readln(F, Line); - if (Length(Line) > 0) then begin - PosDelimiter := Pos(':', Line); - if (PosDelimiter <> 0) then + PosDelimiter := UTF8Pos(':', Line); + if (PosDelimiter <> 0) then begin //Comment or Name String if (Line[1] = '#') then @@ -224,7 +228,7 @@ begin PlayLists[Index].Items[Len].Artist := Trim(copy(Line, 1, PosDelimiter - 1)); PlayLists[Index].Items[Len].Title := Trim(copy(Line, PosDelimiter + 1, Length(Line) - PosDelimiter)); end - else Log.LogError('Could not find Song in Playlist: ' + PlayLists[Index].Filename + ', ' + Line); + else Log.LogError('Could not find Song in Playlist: ' + PlayLists[Index].Filename.ToNative + ', ' + Line); end; end; end; @@ -233,71 +237,70 @@ begin //If no special name is given, use Filename if PlayLists[Index].Name = '' then begin - PlayLists[Index].Name := ChangeFileExt(FileName, ''); + PlayLists[Index].Name := FileName.SetExtension('').ToUTF8; end; //Finish (Close File) - CloseFile(F); + TextStream.Free; end; -//---------- -//SavePlayList - Saves the specified Playlist -//---------- -Procedure TPlayListManager.SavePlayList(Index: Cardinal); +{** + * Saves the specified Playlist + *} +procedure TPlayListManager.SavePlayList(Index: Cardinal); var - F: TextFile; + TextStream: TTextFileStream; + PlaylistFile: IPath; I: Integer; begin - if (Not FileExists(PlaylistPath + Playlists[Index].Filename)) OR (Not FileisReadOnly(PlaylistPath + Playlists[Index].Filename)) then - begin + PlaylistFile := PlaylistPath.Append(Playlists[Index].Filename); - //open File for Rewriting - AssignFile(F, PlaylistPath + Playlists[Index].Filename); - try - try - Rewrite(F); + // cannot update read-only file + if PlaylistFile.IsFile() and PlaylistFile.IsReadOnly() then + Exit; - //Write Version (not nessecary but helpful) - WriteLn(F, '######################################'); - WriteLn(F, '#Ultrastar Deluxe Playlist Format v1.0'); - WriteLn(F, '#Playlist "' + Playlists[Index].Name + '" with ' + InttoStr(Length(Playlists[Index].Items)) + ' Songs.'); - WriteLn(F, '######################################'); + // open file for rewriting + TextStream := TMemTextFileStream.Create(PlaylistFile, fmCreate); + try + // Write version (not nessecary but helpful) + TextStream.WriteLine('######################################'); + TextStream.WriteLine('#Ultrastar Deluxe Playlist Format v1.0'); + TextStream.WriteLine(Format('#Playlist %s with %d Songs.', + [ Playlists[Index].Name, Length(Playlists[Index].Items) ])); + TextStream.WriteLine('######################################'); - //Write Name Information - WriteLn(F, '#Name: ' + Playlists[Index].Name); + // Write name information + TextStream.WriteLine('#Name: ' + Playlists[Index].Name); - //Write Song Information - WriteLn(F, '#Songs:'); + // Write song information + TextStream.WriteLine('#Songs:'); - For I := 0 to high(Playlists[Index].Items) do - begin - WriteLn(F, Playlists[Index].Items[I].Artist + ' : ' + Playlists[Index].Items[I].Title); - end; - except - log.LogError('Could not write Playlistfile "' + Playlists[Index].Name + '"'); - end; - finally - CloseFile(F); + for I := 0 to high(Playlists[Index].Items) do + begin + TextStream.WriteLine(Playlists[Index].Items[I].Artist + ' : ' + Playlists[Index].Items[I].Title); end; + except + Log.LogError('Could not write Playlistfile "' + Playlists[Index].Name + '"'); end; + TextStream.Free; end; -//---------- -//SetPlayList - Display a Playlist in CatSongs -//---------- -Procedure TPlayListManager.SetPlayList(Index: Cardinal); +{** + * Display a Playlist in CatSongs + *} +procedure TPlayListManager.SetPlayList(Index: Cardinal); var I: Integer; begin - If (Int(Index) > High(PlayLists)) then + if (Int(Index) > High(PlayLists)) then exit; //Hide all Songs - For I := 0 to high(CatSongs.Song) do + for I := 0 to high(CatSongs.Song) do CatSongs.Song[I].Visible := False; //Show Songs in PL - For I := 0 to high(PlayLists[Index].Items) do + for I := 0 to high(PlayLists[Index].Items) do begin CatSongs.Song[PlayLists[Index].Items[I].SongID].Visible := True; end; @@ -324,31 +327,30 @@ end; //---------- //AddPlaylist - Adds a Playlist and Returns the Index //---------- -Function TPlayListManager.AddPlaylist(Name: String): Cardinal; +function TPlayListManager.AddPlaylist(const Name: UTF8String): cardinal; var I: Integer; + PlaylistFile: IPath; begin Result := Length(Playlists); SetLength(Playlists, Result + 1); // Sort the Playlists - Insertion Sort - while (Result > 0) AND (CompareText(Playlists[Result - 1].Name, Name) >= 0) do + while (Result > 0) and (CompareText(Playlists[Result - 1].Name, Name) >= 0) do begin Dec(Result); Playlists[Result+1] := Playlists[Result]; end; - Playlists[Result].Name := Name; + Playlists[Result].Name := Name; I := 1; - if (not FileExists(PlaylistPath + Name + '.upl')) then - Playlists[Result].Filename := Name + '.upl' - else + PlaylistFile := PlaylistPath.Append(Name + '.upl'); + while (PlaylistFile.Exists) do begin - repeat - Inc(I); - until not FileExists(PlaylistPath + Name + InttoStr(I) + '.upl'); - Playlists[Result].Filename := Name + InttoStr(I) + '.upl'; + Inc(I); + PlaylistFile := PlaylistPath.Append(Name + InttoStr(I) + '.upl'); end; + Playlists[Result].Filename := PlaylistFile; //Save new Playlist SavePlayList(Result); @@ -357,28 +359,28 @@ end; //---------- //DelPlaylist - Deletes a Playlist //---------- -Procedure TPlayListManager.DelPlaylist(const Index: Cardinal); +procedure TPlayListManager.DelPlaylist(const Index: Cardinal); var I: Integer; - Filename: String; + Filename: IPath; begin - If Int(Index) > High(Playlists) then + if Int(Index) > High(Playlists) then Exit; - Filename := PlaylistPath + Playlists[Index].Filename; + Filename := PlaylistPath.Append(Playlists[Index].Filename); //If not FileExists or File is not Writeable then exit - If (Not FileExists(Filename)) OR (FileisReadOnly(Filename)) then + if (not Filename.IsFile()) or (Filename.IsReadOnly()) then Exit; //Delete Playlist from FileSystem - if Not DeleteFile(Filename) then + if not Filename.DeleteFile() then Exit; //Delete Playlist from Array //move all PLs to the Hole - For I := Index to High(Playlists)-1 do + for I := Index to High(Playlists)-1 do PlayLists[I] := PlayLists[I+1]; //Delete last Playlist @@ -390,7 +392,7 @@ begin begin ScreenSong.UnLoadDetailedCover; ScreenSong.HideCatTL; - CatSongs.SetFilter('', 0); + CatSongs.SetFilter('', fltAll); ScreenSong.Interaction := 0; ScreenSong.FixSelected; ScreenSong.ChangeMusic; @@ -471,7 +473,7 @@ end; //---------- //GetNames - Writes Playlist Names in a Array //---------- -Procedure TPlayListManager.GetNames(var PLNames: array of String); +procedure TPlayListManager.GetNames(var PLNames: array of UTF8String); var I: Integer; Len: Integer; |