/*
 *  Baltisot
 *  Copyright (C) 1999-2007 Nicolas "Pixel" Noble
 *
 *  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 2 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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/* $Id: OutPipe.cc,v 1.13 2007-05-30 11:57:10 pixel Exp $ */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "OutPipe.h"
#include "Input.h"
#include "gettext.h"

OutPipe::OutPipe() : Handle(pipe(p, 1)), hooked(0) { }

OutPipe::~OutPipe() {
    if (hooked) {
	::close(0);
	dup(Stdin.GetHandle());
    }
}

OutPipe::OutPipe(const OutPipe & o) : Handle(o), hooked(o.hooked) {
    p[0] = dup(o.p[0]);
    p[1] = GetHandle();
}

void OutPipe::Hook() {
    if (!hooked) {
	hooked = 1;
	::close(0);
	dup(p[0]);
	::close(p[0]);
    }
}

bool OutPipe::CanWrite() {
    return true;
}

bool OutPipe::CanRead() {
    return false;
}

String OutPipe::GetName() {
    return (String(_("Output pipe to stdin (")) + (hooked ? "" : _("not ")) + _("hooked)"));
}