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// cmdline_prompt.h -*-c++-*-
//
// Copyright (C) 2004, 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.
#ifndef CMDLINE_PROMPT_H
#define CMDLINE_PROMPT_H
// Local includes:
#include "cmdline_common.h"
#include "terminal.h"
// System includes:
#include <boost/shared_ptr.hpp>
#include <cwidget/generic/util/exception.h>
/** \file cmdline_prompt.h
*/
class pkgPolicy;
/** The main preview-prompt-adjust-preview loop for the command-line
* interface. Displays a preview of what will happen, then allows
* the user to confirm, cancel, or perform a number of other actions.
* to_install and friends are meant to be the sets the user
* explicitly selected (so the prompt can be displayed only when
* extra stuff is added or removed).
*
* \param as_upgrade currently ignored; meant to control how the
* preview and prompting are handled.
* \param to_install a set of packages to install.
* \param to_hold a set of packages to hold.
* \param to_remove a set of packages to remove.
* \param to_purge a set of packages to purge.
* \param showvers \b true to show version information in the preview.
* \param showdeps \b true to show dependency information in the preview.
* \param showsize \b true to show size information in the preview.
* \param showwhy \b true to show the root cause of automatic
* installs/removals.
* \param verbose the current verbosity level
* \param assume_yes if \b true, assume the user entered "yes"
* at the prompt.
* \param force_no_change if \b true, try extra-hard to preserve
* the user's explicit requests (as
* specified in to_install et al)
* \param policy a policy object, used to look up version priorities.
* \param arch_only if \b true, when the user asks to have build-dependencies
* for a package installed, only the architecture-dependent dependencies
* will be considered.
* \param term The terminal on which to display prompts and receive input.
*
* \throws StdinEOFException
*/
bool cmdline_do_prompt(bool as_upgrade,
pkgset &to_install,
pkgset &to_hold,
pkgset &to_remove,
pkgset &to_purge,
bool showvers,
bool showdeps,
bool showsize,
bool showwhy,
bool always_prompt,
int verbose,
bool assume_yes,
bool force_no_change,
pkgPolicy &policy,
bool arch_only,
const boost::shared_ptr<aptitude::cmdline::terminal_metrics> &term_metrics);
bool cmdline_show_preview(bool as_upgrade, pkgset &to_install,
pkgset &to_hold, pkgset &to_remove,
bool showvers, bool showdeps,
bool showsize, bool showwhy,
int verbose,
const boost::shared_ptr<aptitude::cmdline::terminal_metrics> &term_metrics);
/** Prompt for a single line of input from the user.
*
* \param prompt a message to display before reading input.
* \return the text the user entered
*
* \throws StdinEOFException
*/
string prompt_string(const string &prompt);
#endif // CMDLINE_PROMPT_H
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