program testuser;
{$APPTYPE CONSOLE}
{$R *.res}
uses
SysUtils,
Functions in 'Functions.pas';
type
EInvalidName = class(Exception);
const
C_TEMPLATES: array[0..5] of String =
('USER', 'COMP', 'SID', 'HOME', 'HOMESHARE', 'HOMECOMP');
resourcestring
C_TEMPLATE_MARKER = ':%s:';
C_EQUAL = '%s = %s';
function _GetArgExpect(param1: string): string;
resourcestring
LNG_EXCEPTION = 'Unknown value "%s"';
begin
if param1 = C_TEMPLATES[0] then
begin
result := Functions.GetUserName;
end
else if param1 = C_TEMPLATES[1] then
begin
result := Functions.GetComputerName;
end
else if param1 = C_TEMPLATES[2] then
begin
result := Functions.GetCurrentUserSid;
end
else if param1 = C_TEMPLATES[3] then
begin
result := Functions.GetHomeDir;
end
else if param1 = C_TEMPLATES[4] then
begin
result := ExpandEnvironmentStrings('%HOMESHARE%');
if result = '%HOMESHARE%' then result := '';
end
else if param1 = C_TEMPLATES[5] then
begin
result := Functions.GetHomeDir;
if result <> '' then
begin
result := '\\' + GetComputerName + '\' + StringReplace(result, ':', '$', []);
end;
end
else
begin
raise EInvalidName.CreateFmt(LNG_EXCEPTION, [param1]);
end;
end;
function _MaxTemplateLen: integer;
var
i, L: integer;
begin
result := -1;
for i := Low(C_TEMPLATES) to High(C_TEMPLATES) do
begin
L := Length(Format(C_TEMPLATE_MARKER, [C_TEMPLATES[i]]));
if L > result then result := L;
end;
end;
procedure _ShowSyntax;
resourcestring
LNG_SYNTAX_1 = 'Syntax:' + #13#10 + '%s [templateString] [comparisonValue]';
LNG_SYNTAX_2 = 'templateString may contain following variables:';
LNG_SYNTAX_3 = 'If comparisonValue is provided, the value will be compared with templateString ' + #13#10 +
'where variables are resolved. The ExitCode will be 0 if the values match ' + #13#10 +
'(case insensitive) or 1 if the value does not match.' + #13#10#13#10 +
'If comparisonValue is not provided, the value will be printed and the program' + #13#10 +
'terminates with ExitCode 0.';
var
i: integer;
s: string;
maxLen: integer;
begin
WriteLn(Format(LNG_SYNTAX_1, [UpperCase(ExtractFileName(ParamStr(0)))]));
WriteLn('');
WriteLn(LNG_SYNTAX_2);
maxLen := _MaxTemplateLen;
for i := Low(C_TEMPLATES) to High(C_TEMPLATES) do
begin
s := C_TEMPLATES[i];
WriteLn(Format(C_EQUAL, [EnforceLength(Format(C_TEMPLATE_MARKER, [s]),
maxLen, ' ', true), _GetArgExpect(s)]));
end;
WriteLn('');
WriteLn(LNG_SYNTAX_3);
WriteLn('');
end;
function _Expand(AInput: string): string;
var
i: integer;
s: string;
begin
result := AInput;
for i := Low(C_TEMPLATES) to High(C_TEMPLATES) do
begin
s := C_TEMPLATES[i];
result := StringReplace(result, Format(C_TEMPLATE_MARKER, [s]),
_GetArgExpect(s), [rfIgnoreCase, rfReplaceAll]);
end;
end;
function _Main: integer;
var
arg2expect: string;
begin
result := 0;
if (ParamCount() = 0) or (ParamCount() > 2) or (ParamStr(1) = '/?') then
begin
_ShowSyntax;
result := 2;
Exit;
end;
arg2expect := _Expand(ParamStr(1));
if ParamCount() = 1 then
begin
WriteLn(Format(C_EQUAL, [ParamStr(1), arg2expect]));
end
else if ParamCount() = 2 then
begin
if not StrICmp(ParamStr(2), arg2expect) then result := 1;
end;
end;
begin
ExitCode := _Main;
end.