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Diffstat (limited to '')
| -rw-r--r-- | src/base/UPathUtils.pas | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/src/base/UPathUtils.pas b/src/base/UPathUtils.pas new file mode 100644 index 00000000..c2bcdd4b --- /dev/null +++ b/src/base/UPathUtils.pas @@ -0,0 +1,196 @@ +{* UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + *} + +unit UPathUtils; + +interface + +{$IFDEF FPC} + {$MODE Delphi} +{$ENDIF} + +{$I switches.inc} + +uses + SysUtils, + Classes, + UPath; + +var + // Absolute Paths + GamePath: IPath; + SoundPath: IPath; + SongPaths: IInterfaceList; + LogPath: IPath; + ThemePath: IPath; + SkinsPath: IPath; + ScreenshotsPath: IPath; + CoverPaths: IInterfaceList; + LanguagesPath: IPath; + PluginPath: IPath; + VisualsPath: IPath; + FontPath: IPath; + ResourcesPath: IPath; + PlaylistPath: IPath; + +function FindPath(out PathResult: IPath; const RequestedPath: IPath; NeedsWritePermission: boolean): boolean; +procedure InitializePaths; +procedure AddSongPath(const Path: IPath); + +implementation + +uses + StrUtils, + UPlatform, + UCommandLine, + ULog; + +procedure AddSpecialPath(var PathList: IInterfaceList; const Path: IPath); +var + Index: integer; + PathAbs, PathTmp: IPath; + OldPath, OldPathAbs, OldPathTmp: IPath; +begin + if (PathList = nil) then + PathList := TInterfaceList.Create; + + if Path.Equals(PATH_NONE) or not Path.CreateDirectory(true) then + Exit; + + PathTmp := Path.GetAbsolutePath(); + PathAbs := PathTmp.AppendPathDelim(); + + // check if path or a part of the path was already added + for Index := 0 to PathList.Count-1 do + begin + OldPath := PathList[Index] as IPath; + OldPathTmp := OldPath.GetAbsolutePath(); + OldPathAbs := OldPathTmp.AppendPathDelim(); + + // check if the new directory is a sub-directory of a previously added one. + // This is also true, if both paths point to the same directories. + if (OldPathAbs.IsChildOf(PathAbs, false) or OldPathAbs.Equals(PathAbs)) then + begin + // ignore the new path + Exit; + end; + + // check if a previously added directory is a sub-directory of the new one. + if (PathAbs.IsChildOf(OldPathAbs, false)) then + begin + // replace the old with the new one. + PathList[Index] := PathAbs; + Exit; + end; + end; + + PathList.Add(PathAbs); +end; + +procedure AddSongPath(const Path: IPath); +begin + AddSpecialPath(SongPaths, Path); +end; + +procedure AddCoverPath(const Path: IPath); +begin + AddSpecialPath(CoverPaths, Path); +end; + +(** + * Initialize a path variable + * After setting paths, make sure that paths exist + *) +function FindPath( + out PathResult: IPath; + const RequestedPath: IPath; + NeedsWritePermission: boolean): boolean; +begin + Result := false; + + if (RequestedPath.Equals(PATH_NONE)) then + Exit; + + // Make sure the directory exists + if (not RequestedPath.CreateDirectory(true)) then + begin + PathResult := PATH_NONE; + Exit; + end; + + PathResult := RequestedPath.AppendPathDelim(); + + if (NeedsWritePermission) and RequestedPath.IsReadOnly() then + Exit; + + Result := true; +end; + +(** + * Function sets all absolute paths e.g. song path and makes sure the directorys exist + *) +procedure InitializePaths; +var + SharedPath, UserPath: IPath; +begin + // Log directory (must be writable) + if (not FindPath(LogPath, Platform.GetLogPath, true)) then + begin + Log.FileOutputEnabled := false; + Log.LogWarn('Log directory "'+ Platform.GetLogPath.ToNative +'" not available', 'InitializePaths'); + end; + + SharedPath := Platform.GetGameSharedPath; + UserPath := Platform.GetGameUserPath; + + FindPath(SoundPath, SharedPath.Append('sounds'), false); + FindPath(ThemePath, SharedPath.Append('themes'), false); + FindPath(SkinsPath, SharedPath.Append('themes'), false); + FindPath(LanguagesPath, SharedPath.Append('languages'), false); + FindPath(PluginPath, SharedPath.Append('plugins'), false); + FindPath(VisualsPath, SharedPath.Append('visuals'), false); + FindPath(FontPath, SharedPath.Append('fonts'), false); + FindPath(ResourcesPath, SharedPath.Append('resources'), false); + + // Playlists are not shared as we need one directory to write too + FindPath(PlaylistPath, UserPath.Append('playlists'), true); + + // Screenshot directory (must be writable) + if (not FindPath(ScreenshotsPath, UserPath.Append('screenshots'), true)) then + begin + Log.LogWarn('Screenshot directory "'+ UserPath.ToNative +'" not available', 'InitializePaths'); + end; + + // Add song paths + AddSongPath(Params.SongPath); + AddSongPath(SharedPath.Append('songs')); + AddSongPath(UserPath.Append('songs')); + + // Add category cover paths + AddCoverPath(SharedPath.Append('covers')); + AddCoverPath(UserPath.Append('covers')); +end; + +end. |