/*
 * Copyright (c) 2009-2022, Albertas Vyšniauskas
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 *     * Neither the name of the software author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef GPICK_COMMON_STRING_OR_VIEW_H_
#define GPICK_COMMON_STRING_OR_VIEW_H_
#include <cstddef>
#include <string>
#include <string_view>
namespace common {
struct StringOrView {
	StringOrView();
	explicit StringOrView(const char *value) noexcept;
	explicit StringOrView(std::string_view value) noexcept;
	explicit StringOrView(std::string &&value) noexcept;
	StringOrView(StringOrView &&value) noexcept;
	~StringOrView();
	std::size_t length() const;
	void reset();
	std::string_view view() const;
private:
	union {
		std::string_view m_view;
		std::string m_string;
	};
	enum struct Type {
		view,
		string,
	};
	Type m_type;
};
}
#endif /* GPICK_COMMON_STRING_OR_VIEW_H_ */
