92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
/*
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* Copyright (C) 2003-2015 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_DECODER_LIST_HXX
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#define MPD_DECODER_LIST_HXX
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#include "Compiler.h"
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struct DecoderPlugin;
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extern const struct DecoderPlugin *const decoder_plugins[];
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extern bool decoder_plugins_enabled[];
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/* interface for using plugins */
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gcc_pure
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const struct DecoderPlugin *
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decoder_plugin_from_name(const char *name);
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/* this is where we "load" all the "plugins" ;-) */
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void
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decoder_plugin_init_all();
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/* this is where we "unload" all the "plugins" */
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void
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decoder_plugin_deinit_all();
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template<typename F>
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static inline const DecoderPlugin *
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decoder_plugins_find(F f)
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{
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for (unsigned i = 0; decoder_plugins[i] != nullptr; ++i)
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if (decoder_plugins_enabled[i] && f(*decoder_plugins[i]))
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return decoder_plugins[i];
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return nullptr;
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}
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template<typename F>
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static inline bool
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decoder_plugins_try(F f)
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{
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for (unsigned i = 0; decoder_plugins[i] != nullptr; ++i)
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if (decoder_plugins_enabled[i] && f(*decoder_plugins[i]))
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return true;
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return false;
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}
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template<typename F>
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static inline void
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decoder_plugins_for_each(F f)
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{
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for (auto i = decoder_plugins; *i != nullptr; ++i)
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f(**i);
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}
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template<typename F>
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static inline void
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decoder_plugins_for_each_enabled(F f)
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{
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for (unsigned i = 0; decoder_plugins[i] != nullptr; ++i)
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if (decoder_plugins_enabled[i])
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f(*decoder_plugins[i]);
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}
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/**
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* Is there at least once #DecoderPlugin that supports the specified
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* file name suffix?
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*/
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gcc_pure gcc_nonnull_all
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bool
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decoder_plugins_supports_suffix(const char *suffix);
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#endif
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