mpd/src/config/Data.cxx

/*
 * Copyright 2003-2018 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.h"
#include "Data.hxx"
#include "Param.hxx"
#include "Block.hxx"
#include "system/FatalError.hxx"
#include "util/StringAPI.hxx"

void
ConfigData::Clear()
{
	for (auto &i : params) {
		delete i;
		i = nullptr;
	}

	for (auto &i : blocks) {
		delete i;
		i = nullptr;
	}
}

const ConfigBlock *
ConfigData::FindBlock(ConfigBlockOption option,
		      const char *key, const char *value) const noexcept
{
	for (const auto *block = GetBlock(option);
	     block != nullptr; block = block->next) {
		const char *value2 = block->GetBlockValue(key);
		if (value2 == nullptr)
			FormatFatalError("block without '%s' in line %d",
					 key, block->line);

		if (StringIsEqual(value2, value))
			return block;
	}

	return nullptr;
}