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/** \file text_progress.cc */
// Copyright (C) 2010 Daniel Burrows
//
// 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; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
// Local includes:
#include "text_progress.h"
#include "cmdline_progress_display.h"
#include <aptitude.h>
#include <generic/apt/apt.h>
#include <generic/apt/config_signal.h>
#include <generic/util/progress_info.h>
#include <generic/views/progress.h>
// System includes:
#include <apt-pkg/error.h>
#include <boost/format.hpp>
#include <boost/make_shared.hpp>
#include <cwidget/generic/util/transcode.h>
#include <iostream>
namespace cw = cwidget;
using aptitude::util::progress_info;
using boost::format;
using boost::wformat;
using cwidget::util::transcode;
namespace aptitude
{
namespace cmdline
{
namespace
{
class text_progress : public OpProgress
{
// If true, this code will assume it has a TTY as its output
// and use terminal-based trickery.
bool use_tty_decorations;
// The last operation we were displaying; used to output an
// indicator when the operation finishes.
std::string last_op;
boost::shared_ptr<views::progress> display;
public:
text_progress(bool _use_tty_decorations,
const boost::shared_ptr<views::progress> &_display)
: use_tty_decorations(_use_tty_decorations),
display(_display)
{
}
void Done();
void Update();
};
void text_progress::Done()
{
// If we displayed a progress indicator, finish it off.
if(use_tty_decorations)
{
if(!last_op.empty())
{
display->done();
if(_error->PendingError() == true)
// TRANSLATORS: the text between [] should be
// exactly 4 character cells wide; "ERR" is short
// for "ERROR".
std::cout << (format(_("[ ERR] %s")) % last_op) << std::endl;
}
}
else if(!last_op.empty())
{
std::cout << std::endl;
last_op.clear();
}
}
void text_progress::Update()
{
if(CheckChange(0.7))
{
if(!use_tty_decorations)
{
if(MajorChange)
{
if(!last_op.empty())
std::cout << std::endl;
std::cout << Op << "...";
last_op = Op;
}
}
else
{
progress_info info = progress_info::bar(Percent, Op);
display->set_progress(info);
last_op = Op;
}
}
}
}
boost::shared_ptr<OpProgress>
make_text_progress(bool require_tty_decorations,
const boost::shared_ptr<views::progress> &display)
{
bool hide_tty_decorations = false;
bool hidden = false;
if(!isatty(1) ||
aptcfg->FindI("quiet", 0) >= 1 ||
aptcfg->FindB("quiet::NoUpdate", false) == true)
hide_tty_decorations = true;
if(aptcfg->FindI("quiet", 0) >= 2)
hidden = true;
if(require_tty_decorations && hide_tty_decorations)
hidden = true;
if(hidden)
return boost::make_shared<OpProgress>();
else
return boost::make_shared<text_progress>(!hide_tty_decorations, display);
}
boost::shared_ptr<OpProgress>
make_text_progress(bool require_tty_decorations,
const boost::shared_ptr<terminal_locale> &term_locale,
const boost::shared_ptr<terminal_metrics> &term_metrics,
const boost::shared_ptr<terminal_output> &term_output)
{
return make_text_progress(require_tty_decorations,
create_progress_display(term_locale, term_metrics, term_output));
}
}
}
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