Lazarus Pascal

StringBuilder GetNth

Demonstrates the GetNth method. Lazarus Pascal

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.StringBuilder;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  sb: TStringBuilder;
  delimiterChar: string;
  exceptDoubleQuoted: Boolean;
  exceptEscaped: Boolean;

begin
  //  The GetNth method is handy for getting parts from delimited strings.
  //  For example:

  sb := TStringBuilder.Create;
  sb.Append('red,blue,"green,purple",,yellow');

  delimiterChar := ',';
  exceptDoubleQuoted := True;
  exceptEscaped := True;

  //  Prints "[red]"
  WriteLn('[' + sb.GetNth(0,delimiterChar,exceptDoubleQuoted,exceptEscaped) + ']');

  //  Prints "[blue]"
  WriteLn('[' + sb.GetNth(1,delimiterChar,exceptDoubleQuoted,exceptEscaped) + ']');

  //  Prints "[green,purple]"
  WriteLn('[' + sb.GetNth(2,delimiterChar,exceptDoubleQuoted,exceptEscaped) + ']');

  //  Prints "[]"
  WriteLn('[' + sb.GetNth(3,delimiterChar,exceptDoubleQuoted,exceptEscaped) + ']');

  //  Prints "[yellow]"
  WriteLn('[' + sb.GetNth(4,delimiterChar,exceptDoubleQuoted,exceptEscaped) + ']');

  //  Prints "[]"
  WriteLn('[' + sb.GetNth(5,delimiterChar,exceptDoubleQuoted,exceptEscaped) + ']');


  sb.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.