mirror of https://github.com/aria2/aria2
109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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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 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#ifndef D_OPTION_PARSER_H
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#define D_OPTION_PARSER_H
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#include "common.h"
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#include <string>
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#include <vector>
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#include <iosfwd>
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#include <memory>
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#include <aria2/aria2.h>
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#include "prefs.h"
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namespace aria2 {
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class Option;
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class OptionHandler;
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class OptionParser {
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private:
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std::vector<OptionHandler*> handlers_;
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// Index of handler in handlers_ for option who has short option name.
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std::vector<size_t> shortOpts_;
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static std::shared_ptr<OptionParser> optionParser_;
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public:
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OptionParser();
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~OptionParser();
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// Parses options in argv and writes option name and value to out in
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// NAME=VALUE format. Non-option strings are stored in nonopts.
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// Throws Exception when an unrecognized option is found.
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void parseArg(std::ostream& out, std::vector<std::string>& nonopts,
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int argc, char* argv[]) const;
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void parse(Option& option, std::istream& ios) const;
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void parse(Option& option, const KeyVals& options) const;
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void parseDefaultValues(Option& option) const;
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void setOptionHandlers
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(const std::vector<OptionHandler*>& handlers);
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void addOptionHandler(OptionHandler* handler);
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// Hidden options are not returned.
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std::vector<const OptionHandler*> findByTag(uint32_t tag) const;
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// Hidden options are not returned.
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std::vector<const OptionHandler*>
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findByNameSubstring(const std::string& substring) const;
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// Hidden options are not returned.
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std::vector<const OptionHandler*> findAll() const;
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// Hidden options are not returned.
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const OptionHandler* find(PrefPtr pref) const;
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// Hidden options are not returned.
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const OptionHandler* findById(size_t id) const;
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// Hidden options are not returned.
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const OptionHandler* findByShortName(char shortName) const;
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static const std::shared_ptr<OptionParser>& getInstance();
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// Deletes statically allocated instace. Call this at the end of the
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// program.
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static void deleteInstance();
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};
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} // namespace aria2
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#endif // D_OPTION_PARSER_H
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