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/*
* Copyright 2003-2021 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_UTIL_OPTIONDEF_HXX
#define MPD_UTIL_OPTIONDEF_HXX
#include <cassert>
/**
* Command line option definition.
*/
class OptionDef
{
const char *long_option;
char short_option;
bool has_value = false;
const char *desc;
public:
constexpr OptionDef(const char *_long_option, const char *_desc)
: long_option(_long_option),
short_option(0),
desc(_desc) { }
constexpr OptionDef(const char *_long_option,
char _short_option, const char *_desc)
: long_option(_long_option),
short_option(_short_option),
desc(_desc) { }
constexpr OptionDef(const char *_long_option,
char _short_option, bool _has_value,
const char *_desc) noexcept
:long_option(_long_option),
short_option(_short_option),
has_value(_has_value),
desc(_desc) {}
constexpr bool HasLongOption() const { return long_option != nullptr; }
constexpr bool HasShortOption() const { return short_option != 0; }
constexpr bool HasValue() const noexcept {
return has_value;
}
constexpr bool HasDescription() const { return desc != nullptr; }
const char *GetLongOption() const {
assert(HasLongOption());
return long_option;
}
char GetShortOption() const {
assert(HasShortOption());
return short_option;
}
const char *GetDescription() const {
assert(HasDescription());
return desc;
}
};
#endif
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