Identifier.h

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/*
  ==============================================================================
 
   This file is part of the Water library.
   Copyright (c) 2016 ROLI Ltd.
   Copyright (C) 2017-2022 Filipe Coelho <falktx@falktx.com>
 
   Permission is granted to use this software under the terms of the ISC license
   http://www.isc.org/downloads/software-support-policy/isc-license/
 
   Permission to use, copy, modify, and/or distribute this software for any
   purpose with or without fee is hereby granted, provided that the above
   copyright notice and this permission notice appear in all copies.
 
   THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH REGARD
   TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT,
   OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
   USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
   TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
   OF THIS SOFTWARE.
 
  ==============================================================================
*/
 
#ifndef WATER_IDENTIFIER_H_INCLUDED
#define WATER_IDENTIFIER_H_INCLUDED
 
#include "String.h"
 
namespace water {
 
//==============================================================================
class Identifier
{
public:
    Identifier() noexcept;

    Identifier (const char* name);

    Identifier (const std::string& name);

    Identifier (const char* nameStart, const char* nameEnd);

    Identifier (const Identifier& other) noexcept;

    Identifier& operator= (const Identifier& other) noexcept;

    ~Identifier() noexcept;

    inline bool operator== (const Identifier& other) const noexcept     { return name == other.name; }

    inline bool operator!= (const Identifier& other) const noexcept     { return name != other.name; }

    inline bool operator== (const char* other) const noexcept           { return name == other; }

    inline bool operator!= (const char* other) const noexcept           { return name != other; }

    inline bool operator<  (const char* other) const noexcept           { return name <  other; }

    inline bool operator<= (const char* other) const noexcept           { return name <= other; }

    inline bool operator>  (const char* other) const noexcept           { return name >  other; }

    inline bool operator>= (const char* other) const noexcept           { return name >= other; }

    const std::string& toString() const noexcept                        { return name; }

    operator StringRef() const noexcept                                 { return StringRef(name.c_str()); }

    bool isValid() const noexcept                                       { return !name.empty(); }

    bool isNull() const noexcept                                        { return name.empty(); }
 
private:
    std::string name;
};
 
}
 
#endif // WATER_IDENTIFIER_H_INCLUDED