mpd/src/tag/Config.cxx
2023-03-06 15:28:44 +01:00

56 lines
1.2 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#include "Config.hxx"
#include "Settings.hxx"
#include "ParseName.hxx"
#include "Type.hxx"
#include "config/Data.hxx"
#include "config/Option.hxx"
#include "lib/fmt/RuntimeError.hxx"
#include "util/ASCII.hxx"
#include "util/IterableSplitString.hxx"
#include "util/StringCompare.hxx"
#include "util/StringStrip.hxx"
using std::string_view_literals::operator""sv;
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 (std::string_view name : IterableSplitString(value, ',')) {
name = Strip(name);
if (SkipPrefix(name, "+"sv)) {
plus = true;
} else if (SkipPrefix(name, "-"sv)) {
plus = false;
}
const auto type = tag_name_parse_i(name);
if (type == TAG_NUM_OF_ITEM_TYPES)
throw FmtRuntimeError("error parsing metadata item \"{}\"",
name);
if (plus)
global_tag_mask.Set(type);
else
global_tag_mask.Unset(type);
}
}