mpd/src/util/OptionParser.cxx

62 lines
1.5 KiB
C++

/*
* Copyright 2003-2017 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.
*/
#include "OptionParser.hxx"
#include "OptionDef.hxx"
#include <string.h>
bool
OptionParser::CheckOption(const OptionDef &opt) const noexcept
{
assert(option != nullptr);
if (is_long)
return opt.HasLongOption() &&
strcmp(option, opt.GetLongOption()) == 0;
return opt.HasShortOption() &&
option[0] == opt.GetShortOption() &&
option[1] == '\0';
}
bool
OptionParser::ParseNext() noexcept
{
while (!args.empty()) {
const char *arg = args.shift();
if (arg[0] == '-') {
if (arg[1] == '-') {
option = arg + 2;
is_long = true;
}
else {
option = arg + 1;
is_long = false;
}
option_raw = arg;
return true;
}
*remaining_tail++ = arg;
}
return false;
}