Lazarus Pascal

Examine the Contents of a .p7m by Converting to XML

Examines the contents of a .p7m signature by converting it to XML. 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.Xml,
  Chilkat.Asn;

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

procedure RunDemo;
var
  success: Boolean;
  asn: TAsn;
  strXml: string;
  xml: TXml;

begin
  success := False;

  //  This example requires the Chilkat API to have been previously unlocked.
  //  See Global Unlock Sample for sample code.

  asn := TAsn.Create;

  success := asn.LoadBinaryFile('qa_data/p7m/a.p7m');
  if (success <> True) then
    begin
      WriteLn(asn.LastErrorText);
      Exit;
    end;

  //  Convert to XML.
  strXml := asn.AsnToXml();

  //  The XML returned by AsnToXml will be compact.
  //  To get the XML indented in human-readable form, load
  //  into the Chilkat XML object and emit..
  xml := TXml.Create;
  xml.LoadXml(strXml);

  WriteLn(xml.GetXml());
  xml.SaveXml('qa_output/a.xml');

  //  -----------------------------------------------------------------------------------------
  //  Also see Chilkat's online tool to examine a .p7m and generate code to duplicate the .p7m
  //  -----------------------------------------------------------------------------------------


  asn.Free;
  xml.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.