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/*
* Copyright (c) 2017-2018 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_UTILS_OPTIONBASE
#define ARM_COMPUTE_UTILS_OPTIONBASE
#include <string>
namespace arm_compute
{
namespace utils
{
/** Abstract base class for a command line option. */
class Option
{
public:
/** Constructor.
*
* @param[in] name Name of the option.
*/
Option(std::string name);
/** Constructor.
*
* @param[in] name Name of the option.
* @param[in] is_required Is the option required?
* @param[in] is_set Has a value been assigned to the option?
*/
Option(std::string name, bool is_required, bool is_set);
/** Default destructor. */
virtual ~Option() = default;
/** Parses the given string.
*
* @param[in] value String representation as passed on the command line.
*
* @return True if the value could be parsed by the specific subclass.
*/
virtual bool parse(std::string value) = 0;
/** Help message for the option.
*
* @return String representing the help message for the specific subclass.
*/
virtual std::string help() const = 0;
/** Name of the option.
*
* @return Name of the option.
*/
std::string name() const;
/** Set whether the option is required.
*
* @param[in] is_required Pass true if the option is required.
*/
void set_required(bool is_required);
/** Set the help message for the option.
*
* @param[in] help Option specific help message.
*/
void set_help(std::string help);
/** Is the option required?
*
* @return True if the option is required.
*/
bool is_required() const;
/** Has a value been assigned to the option?
*
* @return True if a value has been set.
*/
bool is_set() const;
protected:
std::string _name;
bool _is_required{ false };
bool _is_set{ false };
std::string _help{};
};
inline Option::Option(std::string name)
: _name{ std::move(name) }
{
}
inline Option::Option(std::string name, bool is_required, bool is_set)
: _name{ std::move(name) }, _is_required{ is_required }, _is_set{ is_set }
{
}
inline std::string Option::name() const
{
return _name;
}
inline void Option::set_required(bool is_required)
{
_is_required = is_required;
}
inline void Option::set_help(std::string help)
{
_help = std::move(help);
}
inline bool Option::is_required() const
{
return _is_required;
}
inline bool Option::is_set() const
{
return _is_set;
}
} // namespace utils
} // namespace arm_compute
#endif /* ARM_COMPUTE_UTILS_OPTIONBASE */
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