Simba/Units/MMLAddon/PSInc/Wrappers/extensions.inc

{
	This file is part of the Mufasa Macro Library (MML)
	Copyright (c) 2009 by Raymond van Venetië and Merlijn Wajer

    MML is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    MML is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with MML.  If not, see <http://www.gnu.org/licenses/>.

	See the file COPYING, included in this distribution,
	for details about the copyright.

    extensions.inc for the Mufasa Macro Library
}

type
  TStringArray = array of string;
function ext_UnTar(const Input : string; var Content : TStringArray) : boolean;
var
  Stream : TStringStream;
begin
  result := false;
  try
    Stream := TStringStream.Create(Input);
    content := UnTar(Stream);
    result := (length(content) > 0);
  finally
    stream.free;
  end;
end;

function ext_UnTarEx(const Input : string;const outputdir : string; overwrite : boolean): boolean;
var
  Stream : TStringStream;
  Untarrer : TUntarThread;
begin
  result := false;
  try
    Stream := TStringStream.Create(Input);
    Untarrer := TUntarThread.Create(stream,outputdir,overwrite);
    Untarrer.Resume;
    while Untarrer.Finished = false do
    begin
      Application.ProcessMessages;
      sleep(25);
    end;
    result := Untarrer.Result;
  finally
    Untarrer.Free;
    stream.free;
  end;
end;
function ext_DecompressBZip2(const input: string;var output : string; const BlockSize: Cardinal): boolean;
var
  Stream : TStringStream;
  Decompress : TDecompressThread;
  MS : TMemoryStream;
begin
  result := false;
  try
    Stream := TStringStream.Create(Input);
    Decompress := TDecompressThread.Create(Stream);
    Decompress.Resume;
    while Decompress.Finished = false do
    begin
      Application.ProcessMessages;
      sleep(25);
    end;
    ms := Decompress.Result;
    if ms.size > 0 then
    begin
      ms.Position:= 0;
      SetLength(output,ms.Size);
      MS.Read(output[1],MS.size);
      result := true;
    end;
    ms.free;
  finally
    stream.free;
    Decompress.Free;
  end;
end;

function ext_GetPage(const url : string) : string;
var
  t: TDownloadThread;
begin
  result := '';
  try
    t := TDownloadThread.Create(url,@result);
    t.Resume;
    while not t.done do
    begin
      Application.ProcessMessages;
      Sleep(25);
    end;
  except
    on e : exception do
      mDebugLn('Exception in GetPage in Extensions: ' + e.message);
  end;
end;

function ext_MessageDlg(const aCaption, aMsg: string; DlgType: TMsgDlgType;Buttons: TMsgDlgButtons; HelpCtx: Longint): Integer;
begin
  result := MessageDlg(acaption,amsg,dlgtype,buttons,helpctx);
end;