mirror of https://github.com/aria2/aria2
123 lines
3.7 KiB
C++
123 lines
3.7 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_HANDLER_H
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#define D_OPTION_HANDLER_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 <functional>
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#include "SharedHandle.h"
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#include "console.h"
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namespace aria2 {
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extern const char NO_DESCRIPTION[];
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extern const std::string NO_DEFAULT_VALUE;
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extern const std::string PATH_TO_FILE;
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extern const std::string PATH_TO_FILE_STDIN;
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extern const std::string PATH_TO_FILE_STDOUT;
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extern const std::string PATH_TO_DIR;
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extern const std::string PATH_TO_COMMAND;
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class Option;
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struct Pref;
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class OptionHandler {
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public:
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virtual ~OptionHandler() {}
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virtual void parse(Option& option, const std::string& arg) const = 0;
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virtual std::string createPossibleValuesString() const = 0;
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virtual bool hasTag(uint32_t tag) const = 0;
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virtual void addTag(uint32_t tag) = 0;
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virtual std::string toTagString() const = 0;
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virtual const char* getName() const = 0;
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virtual const char* getDescription() const = 0;
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virtual const std::string& getDefaultValue() const = 0;
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virtual bool isHidden() const = 0;
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virtual void hide() = 0;
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virtual const Pref* getPref() const = 0;
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enum ARG_TYPE {
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REQ_ARG,
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OPT_ARG,
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NO_ARG
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};
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virtual ARG_TYPE getArgType() const = 0;
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virtual char getShortName() const = 0;
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// Returns true if option value should be erased from argv to
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// prevent it from appearing in the output of ps.
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virtual bool getEraseAfterParse() const = 0;
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virtual void setEraseAfterParse(bool eraseAfterParse) = 0;
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virtual bool getInitialOption() const = 0;
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virtual void setInitialOption(bool f) = 0;
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virtual bool getChangeOption() const = 0;
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virtual void setChangeOption(bool f) = 0;
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virtual bool getChangeOptionForReserved() const = 0;
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virtual void setChangeOptionForReserved(bool f) = 0;
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virtual bool getChangeGlobalOption() const = 0;
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virtual void setChangeGlobalOption(bool f) = 0;
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virtual bool getCumulative() const = 0;
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virtual void setCumulative(bool f) = 0;
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};
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std::ostream& operator<<(std::ostream& o, const OptionHandler& optionHandler);
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void write(const Console& out, const OptionHandler& optionHandler);
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} // namespace aria2
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#endif // D_OPTION_HANDLER_H
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