93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
/**
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* libtransport -- C++ library for easy XMPP Transports development
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*
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* Copyright (C) 2011, Jan Kaluza <hanzz.k@gmail.com>
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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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
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*/
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#pragma once
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#include <boost/program_options.hpp>
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#include <boost/foreach.hpp>
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#include <boost/format.hpp>
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#include <boost/algorithm/string.hpp>
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#include <boost/assign.hpp>
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#include <boost/bind.hpp>
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#include <boost/signal.hpp>
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#define CONFIG_STRING(PTR, KEY) (*PTR)[KEY].as<std::string>()
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#define CONFIG_INT(PTR, KEY) (*PTR)[KEY].as<int>()
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#define CONFIG_BOOL(PTR, KEY) (*PTR)[KEY].as<bool>()
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#define CONFIG_LIST(PTR, KEY) (*PTR)[KEY].as<std::list<std::string> >()
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#define CONFIG_VECTOR(PTR, KEY) (*PTR)[KEY].as<std::vector<std::string> >()
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namespace Transport {
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/// Represents variable:value pairs.
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typedef boost::program_options::variables_map Variables;
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/// Represents config file.
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/// It's used to load config file and allows others parts of libtransport to be configured
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/// properly. Config files are text files which use "ini" format. Variables are divided into multiple
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/// sections. Every class is configurable with some variables which change its behavior. Check particular
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/// class documentation to get a list of all relevant variables for that class.
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class Config {
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public:
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/// Constructor.
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Config() {}
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/// Destructor
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virtual ~Config() {}
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/// Loads data from config file.
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/// You can pass your extra options which will be recognized by
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/// the parser using opts parameter.
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/// \param configfile path to config file
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/// \param opts extra options which will be recognized by a parser
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bool load(const std::string &configfile, boost::program_options::options_description &opts);
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/// Loads data from config file.
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/// This function loads only config variables needed by libtransport.
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/// \see load(const std::string &, boost::program_options::options_description &)
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/// \param configfile path to config file
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bool load(const std::string &configfile);
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bool reload();
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/// Returns value of variable defined by key.
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/// For variables in sections you can use "section.variable" key format.
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/// \param key config variable name
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const boost::program_options::variable_value &operator[] (const std::string &key) {
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return m_variables[key];
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}
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/// Returns path to config file from which data were loaded.
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const std::string &getConfigFile() { return m_file; }
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/// This signal is emitted when config is loaded/reloaded.
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boost::signal<void ()> onConfigReloaded;
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private:
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Variables m_variables;
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std::string m_file;
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};
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}
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