/*

 * lftp - file transfer program

 *

 * Copyright (c) 1996-2012 by Alexander V. Lukyanov (lav@yars.free.net)

 *

 * This program 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.

 *

 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

 */

#include <config.h>

#include "trio.h"

#include <errno.h>

#include <unistd.h>

#include "CatJob.h"

#include "ArgV.h"

#include "FileCopyOutputJob.h"

#define super CopyJobEnv

int CatJob::ExitCode()

{

   return errors!=0 || output->Error();

}

int CatJob::Done()

{

   return super::Done() && output->Done();

}

int   CatJob::Do()

{

   int m=STALL;

   if(!done && output->Done())

   {

      done=true;

      m=MOVED;

   }

   return m||super::Do();

}

void CatJob::NextFile()

{

   const char *src=args->getnext();

   if(src==0)

   {

      SetCopier(0,0);

      output->PutEOF();

      return;

   }

   FileCopyPeerFA *src_peer=FileCopyPeerFA::New(session,src,FA::RETRIEVE);

   FileCopyPeer *dst_peer=new FileCopyPeerOutputJob(output);

   FileCopy *copier=FileCopy::New(src_peer,dst_peer,false);

   copier->DontCopyDate();

   if(ascii || (auto_ascii && output->IsTTY()))

   {

      if(output->IsStdout())

	 copier->LineBuffered();

      copier->Ascii();

   }

   SetCopier(copier,src);

}

CatJob::CatJob(FileAccess *new_session,OutputJob *_output,ArgV *new_args)

   : CopyJobEnv(new_session,new_args), output(_output)

{

   output->SetParentFg(this);

   ascii=false;

   auto_ascii=true;

   output->DontRedisplayStatusbar();

   if(!strcmp(op,"more") || !strcmp(op,"zmore") || !strcmp(op,"bzmore"))

   {

      const char *pager=getenv("PAGER");

      if(pager==NULL)

	 pager=DEFAULT_PAGER;

      output->PreFilter(pager);

   }

   if(!strcmp(op,"zcat") || !strcmp(op,"zmore"))

   {

      output->PreFilter("zcat");

      Binary();

   }

   if(!strcmp(op,"bzcat") || !strcmp(op,"bzmore"))

   {

      output->PreFilter("bzcat");

      Binary();

   }

}

void CatJob::ShowRunStatus(const SMTaskRef<StatusLine>& s)

{

   if(cp && cp->HasStatus() && output->ShowStatusLine(s))

      cp->ShowRunStatus(s);

}