/*
 *  Baltisot
 *  Copyright (C) 1999-2008 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
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "InPipe.h"
#include "Output.h"
#include "gettext.h"

InPipe::InPipe() : Handle(pipe(p, 0)), hooked(false), halfclosed(false) {
}

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

InPipe::~InPipe() {
    if (hooked) {
	::close(1);
	dup(Stdout.GetHandle());
    }
}

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

void InPipe::HalfClose() {
    if (!halfclosed) {
        ::close(p[1]);
        halfclosed = true;
    }
}

bool InPipe::CanWrite() {
    return false;
}

bool InPipe::CanRead() {
    return true;
}

String InPipe::GetName() {
    return (String(_("Input pipe from stdout (")) + (hooked ? "" : _("not ")) + _("hooked)"));
}