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unit UPlatformLinux;
interface
{$IFDEF FPC}
{$MODE Delphi}
{$ENDIF}
{$I switches.inc}
uses Classes, UPlatform;
type
TPlatformLinux = class(TInterfacedObject, IPlatform)
function get_homedir(): string;
public
function DirectoryFindFiles(Dir, Filter : WideString; ReturnAllSubDirs : Boolean) : TDirectoryEntryArray;
function TerminateIfAlreadyRunning(var WndTitle : String) : Boolean;
function FindSongFile(Dir, Mask: widestring): widestring;
procedure Halt;
function GetLogPath : WideString;
function GetGameSharedPath : WideString;
function GetGameUserPath : WideString;
end;
implementation
// check for version of FPC >= 2.2.0
{$IFDEF FPC}
{$IF (FPC_VERSION > 2) or ((FPC_VERSION = 2) and (FPC_RELEASE >= 2))}
{$DEFINE FPC_VERSION_2_2_0_PLUS}
{$IFEND}
{$ENDIF}
uses
libc,
uCommandLine,
{$IFDEF FPC_VERSION_2_2_0_PLUS}
BaseUnix,
{$ELSE}
oldlinux,
{$ENDIF}
SysUtils,
ULog,
UConfig;
{$IFDEF FPC_VERSION_2_2_0_PLUS}
Function TPlatformLinux.DirectoryFindFiles(Dir, Filter : WideString; ReturnAllSubDirs : Boolean) : TDirectoryEntryArray;
var
i : Integer;
TheDir : pDir;
ADirent : pDirent;
Entry : Longint;
//info : oldlinux.stat;
lAttrib : integer;
begin
i := 0;
Filter := LowerCase(Filter);
TheDir := FpOpenDir( Dir );
if Assigned(TheDir) then
begin
repeat
ADirent := FpReadDir(TheDir^);
If Assigned(ADirent) and (ADirent^.d_name <> '.') and (ADirent^.d_name <> '..') then
begin
lAttrib := FileGetAttr(Dir + ADirent^.d_name);
if ReturnAllSubDirs and ((lAttrib and faDirectory) <> 0) then
begin
SetLength( Result, i + 1);
Result[i].Name := ADirent^.d_name;
Result[i].IsDirectory := true;
Result[i].IsFile := false;
i := i + 1;
end
else if (Length(Filter) = 0) or (Pos( Filter, LowerCase(ADirent^.d_name)) > 0) then
begin
SetLength( Result, i + 1);
Result[i].Name := ADirent^.d_name;
Result[i].IsDirectory := false;
Result[i].IsFile := true;
i := i + 1;
end;
end;
until (ADirent = nil);
FpCloseDir(TheDir^);
end;
end;
{$ELSE}
Function TPlatformLinux.DirectoryFindFiles(Dir, Filter : WideString; ReturnAllSubDirs : Boolean) : TDirectoryEntryArray;
var
i : Integer;
TheDir : oldlinux.pdir;
ADirent : oldlinux.pDirent;
Entry : Longint;
info : oldlinux.stat;
lAttrib : integer;
begin
i := 0;
Filter := LowerCase(Filter);
TheDir := oldlinux.opendir( Dir );
if Assigned(TheDir) then
begin
repeat
ADirent := oldlinux.ReadDir(TheDir);
If Assigned(ADirent) and (ADirent^.name <> '.') and (ADirent^.name <> '..') then
begin
lAttrib := FileGetAttr(Dir + ADirent^.name);
if ReturnAllSubDirs and ((lAttrib and faDirectory) <> 0) then
begin
SetLength( Result, i + 1);
Result[i].Name := ADirent^.name;
Result[i].IsDirectory := true;
Result[i].IsFile := false;
i := i + 1;
end
else if (Length(Filter) = 0) or (Pos( Filter, LowerCase(ADirent^.name)) > 0) then
begin
SetLength( Result, i + 1);
Result[i].Name := ADirent^.name;
Result[i].IsDirectory := false;
Result[i].IsFile := true;
i := i + 1;
end;
end;
until (ADirent = nil);
oldlinux.CloseDir(TheDir);
end;
end;
{$ENDIF}
function TPlatformLinux.GetLogPath : WideString;
begin
if FindCmdLineSwitch( cUseLocalPaths ) then
begin
result := ExtractFilePath(ParamStr(0));
end
else
begin
{$IFDEF UseLocalDirs}
result := ExtractFilePath(ParamStr(0));
{$ELSE}
result := LogPath+'/';
{$ENDIF}
end;
forcedirectories( result );
end;
function TPlatformLinux.GetGameSharedPath : WideString;
begin
if FindCmdLineSwitch( cUseLocalPaths ) then
result := ExtractFilePath(ParamStr(0))
else
begin
{$IFDEF UseLocalDirs}
result := ExtractFilePath(ParamStr(0));
{$ELSE}
result := SharedPath+'/';
{$ENDIF}
end;
end;
function TPlatformLinux.GetGameUserPath : WideString;
begin
if FindCmdLineSwitch( cUseLocalPaths ) then
result := ExtractFilePath(ParamStr(0))
else
begin
{$IFDEF UseLocalDirs}
result := ExtractFilePath(ParamStr(0));
{$ELSE}
result := get_homedir()+'/.'+PathSuffix+'/';
{$ENDIF}
end;
end;
function TPlatformLinux.get_homedir(): string;
var
pPasswdEntry : Ppasswd;
lUserName : String;
begin
pPasswdEntry := getpwuid( getuid() );
result := pPasswdEntry^.pw_dir;
end;
// FIXME: just a dirty-fix to make the linux build work again.
// This i the same as the corresponding function for MacOSX.
// Maybe this should be TPlatformBase.Halt()
procedure TPlatformLinux.Halt;
begin
halt();
end;
function TPlatformLinux.TerminateIfAlreadyRunning(var WndTitle : String) : Boolean;
begin
// Linux and Mac don't check for running apps at the moment
Result := false;
end;
// FIXME: just a dirty-fix to make the linux build work again.
// This i the same as the corresponding function for windows
// (and MacOSX?).
// Maybe this should be TPlatformBase.FindSongFile()
function TPlatformLinux.FindSongFile(Dir, Mask: widestring): widestring;
var
SR: TSearchRec; // for parsing song directory
begin
Result := '';
if SysUtils.FindFirst(Dir + Mask, faDirectory, SR) = 0 then
begin
Result := SR.Name;
end; // if
SysUtils.FindClose(SR);
end;
end.
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