mpd/src/filter/FilterPlugin.cxx

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/*
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* Copyright 2003-2017 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"
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#include "FilterPlugin.hxx"
#include "FilterRegistry.hxx"
#include "config/Block.hxx"
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#include "config/ConfigError.hxx"
#include "util/RuntimeError.hxx"
#include <assert.h>
PreparedFilter *
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filter_new(const FilterPlugin *plugin, const ConfigBlock &block)
{
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assert(plugin != nullptr);
return plugin->init(block);
}
PreparedFilter *
filter_configured_new(const ConfigBlock &block)
{
const char *plugin_name = block.GetBlockValue("plugin");
if (plugin_name == nullptr)
throw std::runtime_error("No filter plugin specified");
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const auto *plugin = filter_plugin_by_name(plugin_name);
if (plugin == nullptr)
throw FormatRuntimeError("No such filter plugin: %s",
plugin_name);
return filter_new(plugin, block);
}