135 lines
3.1 KiB
C++
135 lines
3.1 KiB
C++
/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_CONFIG_DATA_HXX
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#define MPD_CONFIG_DATA_HXX
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#include "ConfigOption.hxx"
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#include "Compiler.h"
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#include <string>
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#include <array>
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#include <vector>
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class AllocatedPath;
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class Error;
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struct block_param {
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std::string name;
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std::string value;
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int line;
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/**
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* This flag is false when nobody has queried the value of
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* this option yet.
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*/
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mutable bool used;
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gcc_nonnull_all
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block_param(const char *_name, const char *_value, int _line=-1)
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:name(_name), value(_value), line(_line), used(false) {}
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gcc_pure
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int GetIntValue() const;
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gcc_pure
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unsigned GetUnsignedValue() const;
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gcc_pure
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bool GetBoolValue() const;
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};
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struct config_param {
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/**
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* The next config_param with the same name. The destructor
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* deletes the whole chain.
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*/
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struct config_param *next;
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std::string value;
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unsigned int line;
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std::vector<block_param> block_params;
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/**
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* This flag is false when nobody has queried the value of
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* this option yet.
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*/
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bool used;
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config_param(int _line=-1)
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:next(nullptr), line(_line), used(false) {}
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gcc_nonnull_all
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config_param(const char *_value, int _line=-1);
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config_param(const config_param &) = delete;
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~config_param();
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config_param &operator=(const config_param &) = delete;
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/**
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* Determine if this is a "null" instance, i.e. an empty
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* object that was synthesized and not loaded from a
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* configuration file.
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*/
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bool IsNull() const {
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return line == unsigned(-1);
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}
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gcc_nonnull_all
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void AddBlockParam(const char *_name, const char *_value,
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int _line=-1) {
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block_params.emplace_back(_name, _value, _line);
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}
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gcc_nonnull_all gcc_pure
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const block_param *GetBlockParam(const char *_name) const;
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gcc_pure
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const char *GetBlockValue(const char *name,
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const char *default_value=nullptr) const;
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/**
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* Same as config_dup_path(), but looks up the setting in the
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* specified block.
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*/
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AllocatedPath GetBlockPath(const char *name, const char *default_value,
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Error &error) const;
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AllocatedPath GetBlockPath(const char *name, Error &error) const;
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gcc_pure
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int GetBlockValue(const char *name, int default_value) const;
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gcc_pure
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unsigned GetBlockValue(const char *name, unsigned default_value) const;
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gcc_pure
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bool GetBlockValue(const char *name, bool default_value) const;
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};
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struct ConfigData {
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std::array<config_param *, std::size_t(CONF_MAX)> params;
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};
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#endif
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