aria2/src/NameMatchOptionHandler.h

138 lines
3.7 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* 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
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef _D_NAME_MATCH_OPTION_HANDLER_H_
#define _D_NAME_MATCH_OPTION_HANDLER_H_
#include "OptionHandler.h"
#include "A2STR.h"
#include "Util.h"
#include "OptionHandlerException.h"
#include <strings.h>
#include <algorithm>
#include <sstream>
#include <iterator>
#define NO_DESCRIPTION A2STR::NIL
#define NO_DEFAULT_VALUE A2STR::NIL
namespace aria2 {
class Option;
class NameMatchOptionHandler : public OptionHandler {
protected:
std::string _optName;
std::string _description;
std::string _defaultValue;
bool _hidden;
std::deque<std::string> _tags;
virtual void parseArg(Option* option, const std::string& arg) = 0;
public:
NameMatchOptionHandler(const std::string& optName,
const std::string& description = NO_DESCRIPTION,
const std::string& defaultValue = NO_DEFAULT_VALUE,
bool hidden = false):
_optName(optName),
_description(description),
_defaultValue(defaultValue),
_hidden(hidden) {}
virtual ~NameMatchOptionHandler() {}
virtual bool canHandle(const std::string& optName)
{
return strcasecmp(_optName.c_str(), optName.c_str()) == 0;
}
virtual void parse(Option* option, const std::string& arg)
{
try {
parseArg(option, arg);
} catch(Exception& e) {
throw OptionHandlerException(_optName, e);
}
}
virtual bool hasTag(const std::string& tag) const
{
return std::find(_tags.begin(), _tags.end(), tag) != _tags.end();
}
virtual void addTag(const std::string& tag)
{
_tags.push_back(tag);
}
virtual std::string toTagString() const
{
std::stringstream s;
std::copy(_tags.begin(), _tags.end(),
std::ostream_iterator<std::string>(s, ","));
return Util::trim(s.str(), ", ");
}
virtual const std::string& getName() const
{
return _optName;
}
virtual const std::string& getDescription() const
{
return _description;
}
virtual const std::string& getDefaultValue() const
{
return _defaultValue;
}
virtual bool isHidden() const
{
return _hidden;
}
};
typedef SharedHandle<NameMatchOptionHandler> NameMatchOptionHandlerHandle;
} // namespace aria2
#endif // _D_NAME_MATCH_OPTION_HANDLER_H_