mpd/src/tag/Config.cxx
2021-01-01 19:54:28 +01:00

66 lines
1.8 KiB
C++

/*
* 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.
*/
#include "Config.hxx"
#include "Settings.hxx"
#include "ParseName.hxx"
#include "config/Data.hxx"
#include "config/Option.hxx"
#include "util/ASCII.hxx"
#include "util/RuntimeError.hxx"
#include "util/SplitString.hxx"
#include "util/StringView.hxx"
void
TagLoadConfig(const ConfigData &config)
{
const char *value = config.GetString(ConfigOption::METADATA_TO_USE);
if (value == nullptr)
return;
if (StringEqualsCaseASCII(value, "none")) {
global_tag_mask = TagMask::None();
return;
}
bool plus = true;
if (*value != '+' && *value != '-')
/* no "+-": not incremental */
global_tag_mask = TagMask::None();
for (StringView name : SplitString(value, ',')) {
if (name.SkipPrefix("+")) {
plus = true;
} else if (name.SkipPrefix("-")) {
plus = false;
}
const auto type = tag_name_parse_i(name);
if (type == TAG_NUM_OF_ITEM_TYPES)
throw FormatRuntimeError("error parsing metadata item \"%s\"",
name);
if (plus)
global_tag_mask.Set(type);
else
global_tag_mask.Unset(type);
}
}