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{* 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;
MacOSXSongPath: 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);
{$IF Defined(DARWIN)}
AddSongPath(Platform.GetMusicPath);
{$ELSE}
AddSongPath(SharedPath.Append('songs'));
AddSongPath(UserPath.Append('songs'));
{$IFEND}
// Add category cover paths
AddCoverPath(SharedPath.Append('covers'));
AddCoverPath(UserPath.Append('covers'));
end;
end.
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