Pascal (Lazarus/Delphi)

Unpack HTML Email to Files

Unpacks an HTML email into an HTML file and related files (images and style sheets). The links within the HTML are updated to point to the files unpacked and saved to disk. 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.Email;

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

procedure RunDemo;
var
  success: Boolean;
  email: TEmail;
  unpackDir: string;
  partsSubdir: string;
  htmlFilename: string;

begin
  success := False;

  email := TEmail.Create;

  success := email.LoadEml('qa_data/eml/happyHour.eml');
  if (success <> True) then
    begin
      WriteLn(email.LastErrorText);
      Exit;
    end;

  //  Is this an HTML email?
  if (email.HasHtmlBody() = True) then
    begin

      //  Unpack the HTML to files.  The image and css URLs
      //  in the HTML are modified to point to the files extracted to disk.
      unpackDir := 'qa_output/emails';
      partsSubdir := 'images';
      htmlFilename := 'happyHour.html';
      success := email.UnpackHtml(unpackDir,htmlFilename,partsSubdir);
      if (success <> True) then
        begin
          WriteLn(email.LastErrorText);
          Exit;
        end;

      WriteLn('Success.');
    end;


  email.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.