unit uUtils;

interface

uses
  uDACDSDataTable, Classes;


function getStrList(const ASource : TStringList; const pSep: String): String;
function getArrList(const ASource : TStringList): Variant;
function CompFec(FecIni : TDateTime; FecFin : TDateTime): Integer;

implementation

uses
  SysUtils, Variants, dialogs;

function getStrList(const ASource : TStringList; const pSep: String): String;
var
  Cadena : String;
  i: Integer;
begin
  Cadena := '';
  for i:=0 to (ASource.Count-1) do
  begin
      if i > 0 then
         Cadena := Cadena + pSep;
      Cadena := Cadena + ASource.Strings[i];
  end;

//  showmessage(Cadena);

  Result := Cadena;
end;

function getArrList(const ASource : TStringList): Variant;
var
  i, j: Integer;
  A: array of Variant;

begin
  if (ASource.Count = 0) or (length(ASource.Strings[0]) = 0) then
  begin
     Result := Null;
     exit;
  end;

  j:= ASource.Count-1;
  if j > 0 then
  begin
    for i:=0 to j do
    begin
      SetLength(A, i+1);
      if (Length(ASource.Strings[i]) = 0)
      then A[i] := ''
      else A[i] := Copy(ASource.Strings[i], 0, Length(ASource.Strings[i]));
    end;
    Result := VarArrayOf(A);
  end
  else
    Result := Copy(ASource.Strings[j], 0, Length(ASource.Strings[j]));
{
  if j > 0 then
    for i:=0 to j do
     showmessage(VarToStr(A[i]))
  else
     showmessage(VarToStr(Result));
}
end;

function CompFec(FecIni : TDateTime; FecFin : TDateTime): Integer;
begin
  if FecIni = FecFin
  then Result := 0
  else if FecIni > FecFin
  then Result := 1
  else Result := 2;
end;

end.