Pascal (Lazarus/Delphi)

Unpack MHT to Files

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Demonstrates how to unpack a .mhtml to files. Unpacks the HTML and to a directory, and image files to a sub-directory located under the directory where the HTML file is unpacked. The image links in the HTML are updated to point to the image files. Pascal (Lazarus/Delphi)

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.Mht;

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

procedure RunDemo;
var
  success: Boolean;
  mht: TMht;
  mhtPath: string;
  unpackDir: string;
  htmlFilename: string;
  partsSubDir: string;

begin
  success := False;

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

  mht := TMht.Create;

  //  This should be an absolute or relative path to the MHT file.
  //  It is the MHT to be unpacked.
  mhtPath := 'qa_data/mht/test.mht';

  unpackDir := 'C:/AAWorkarea/mht_unpack';
  htmlFilename := 'test.html';
  partsSubDir := 'images';

  //  Unpacking will create the HTML file C:/AAWorkarea/mht_unpack/test.html
  //  The image files are unpacked to C:/AAWorkarea/mht_unpack/images
  //  The unpackDir and partsSubDir are automatically created if needed.

  success := mht.UnpackMHT(mhtPath,unpackDir,htmlFilename,partsSubDir);
  if (success = False) then
    begin
      WriteLn(mht.LastErrorText);
      WriteLn('Failed.');
    end
  else
    begin
      WriteLn('Success.');
    end;


  mht.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.