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unit Support;
interface
function DataPath(const Filename: string): string;
//----------------------------------------------------------------------------------------------------------------------
implementation
uses
Classes, SysUtils;
var
Pathes: TStringList;
//----------------------------------------------------------------------------------------------------------------------
function DataPath(const Filename: string): string;
// Searches through all defined data pathes and tries to find the given file in them. If found the full path including
// the file name is returned, otherwise an empty string.
var
I: Integer;
begin
Result := '';
for I := 0 to Pathes.Count - 1 do
if FileExists(Pathes[I] + Filename) then
begin
Result := Pathes[I] + Filename;
Break;
end;
// As a fall back we use the apps dir.
if Result = '' then
Result := ExtractFilePath(ParamStr(0)) + Filename;
end;
//----------------------------------------------------------------------------------------------------------------------
procedure ParseCommandLine;
var
I: Integer;
Parameter: string;
begin
Pathes := TStringList.Create;
for I := 1 to ParamCount do
begin
Parameter := ParamStr(I);
if Pos('--data=', Parameter) = 1 then
begin
// Found a data path parameter. Extract the path and store it.
Pathes.Add(IncludeTrailingPathDelimiter(Copy(Parameter, 8, MaxInt)));
end;
end;
end;
//----------------------------------------------------------------------------------------------------------------------
initialization
ParseCommandLine;
finalization
Pathes.Free;
end.
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