unit uReferenciasUtils;

interface


{ Si ARef1 < ARef2 -> Result := -1
  Si ARef1 = ARef2 -> Result := 0
  Si ARef1 > ARef2 -> Result := 1 }

function CompararReferencias(const ARef1, ARef2 : String) : Integer;

implementation

uses
  JclStrings, cxVariants;

function CompararReferencias(const ARef1, ARef2 : String) : Integer;
var
  Aux1, Aux2 : String;
  Rpl : Char;
begin
  Rpl := '0';
  Aux1 := StrReplaceButChars(ARef1, AnsiDecDigits, Rpl);
  Aux2 := StrReplaceButChars(ARef2, AnsiDecDigits, Rpl);

  if StrIsDigit(Aux1) and StrIsDigit(Aux2) then
    Result := VarCompare(StrToIntSafe(Aux1), StrToIntSafe(Aux2))
  else
    Result := VarCompare(Aux1, Aux2)
end;

end.