mirror of https://github.com/aria2/aria2
152 lines
4.0 KiB
C++
152 lines
4.0 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_ABSTRACT_OPTION_HANDLER_H
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#define D_ABSTRACT_OPTION_HANDLER_H
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#include "OptionHandler.h"
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namespace aria2 {
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class Option;
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struct Pref;
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class AbstractOptionHandler : public OptionHandler {
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protected:
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const Pref* pref_;
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const char* description_;
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std::string defaultValue_;
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OptionHandler::ARG_TYPE argType_;
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char shortName_;
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virtual void parseArg(Option& option, const std::string& arg) const = 0;
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public:
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AbstractOptionHandler(const Pref* pref,
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const char* description = NO_DESCRIPTION,
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const std::string& defaultValue = NO_DEFAULT_VALUE,
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ARG_TYPE argType = REQ_ARG,
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char shortName = 0);
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virtual ~AbstractOptionHandler();
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virtual void parse(Option& option, const std::string& arg) const;
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virtual bool hasTag(uint32_t tag) const;
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virtual void addTag(uint32_t tag);
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virtual std::string toTagString() const;
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virtual const char* getName() const;
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virtual const char* getDescription() const
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{
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return description_;
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}
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virtual const std::string& getDefaultValue() const
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{
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return defaultValue_;
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}
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virtual const Pref* getPref() const
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{
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return pref_;
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}
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virtual char getShortName() const
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{
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return shortName_;
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}
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virtual OptionHandler::ARG_TYPE getArgType() const
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{
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return argType_;
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}
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virtual bool isHidden() const;
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virtual void hide();
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virtual bool getEraseAfterParse() const;
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virtual void setEraseAfterParse(bool f);
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virtual bool getInitialOption() const;
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virtual void setInitialOption(bool f);
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virtual bool getChangeOption() const;
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virtual void setChangeOption(bool f);
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virtual bool getChangeOptionForReserved() const;
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virtual void setChangeOptionForReserved(bool f);
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virtual bool getChangeGlobalOption() const;
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virtual void setChangeGlobalOption(bool f);
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virtual bool getCumulative() const;
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virtual void setCumulative(bool f);
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enum Flag {
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FLAG_HIDDEN = 1,
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FLAG_ERASE_AFTER_PARSE = 1 << 1,
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FLAG_INITIAL_OPTION = 1 << 2,
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FLAG_CHANGE_OPTION = 1 << 3,
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FLAG_CHANGE_OPTION_FOR_RESERVED = 1 << 4,
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FLAG_CHANGE_GLOBAL_OPTION = 1 << 5,
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FLAG_CUMULATIVE = 1 << 6
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};
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private:
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// bitwise OR of (1 << HelpTag value) defined in help_tags.h.
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uint32_t tags_;
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// bitwise OR of Flag values.
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uint8_t flags_;
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void updateFlags(int flag, bool val);
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};
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} // namespace aria2
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#endif // D_ABSTRACT_OPTION_HANDLER_H
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