UUID.hpp

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// @formatter:off
//
// Balau core C++ library
//
// Copyright (C) 2008 Bora Software (contact@borasoftware.com)
//
// Licensed under the Boost Software License - Version 1.0 - August 17th, 2003.
// See the LICENSE file for the full license text.
//


#ifndef COM_BORA_SOFTWARE__BALAU_TYPE__UUID
#define COM_BORA_SOFTWARE__BALAU_TYPE__UUID

#include <Balau/Type/ToString.hpp>

#include <boost/uuid/uuid.hpp>
#include <boost/uuid/uuid_generators.hpp>
#include <boost/uuid/uuid_io.hpp>

#include <sstream>

namespace Balau {

class UUID {
    public: UUID() : uuid(boost::uuids::random_generator()()) {}

    public: UUID(const UUID & copy) = default;

    public: std::array<unsigned char, 16> asArray() const {
        std::array<unsigned char, 16> a {};
        memcpy(a.data(), uuid.data, 16);
        return a;
    }

    public: const unsigned char * asBytes() const {
        return uuid.data;
    }

    public: template <typename AllocatorT> Balau::U8String<AllocatorT> asString() const {
        Balau::U8OStringStream<AllocatorT> stream;
        stream << uuid;
        return stream.str();
    }

    public: std::string asString() const {
        std::ostringstream stream;
        stream << uuid;
        return stream.str();
    }

    public: const boost::uuids::uuid & asUUID() const {
        return uuid;
    }

    public: bool operator == (const UUID & rhs) const {
        return uuid == rhs.uuid;
    }

    public: bool operator != (const UUID & rhs) const {
        return uuid != rhs.uuid;
    }

    public: bool operator < (const UUID & rhs) const {
        return uuid < rhs.uuid;
    }

    public: bool operator > (const UUID & rhs) const {
        return uuid > rhs.uuid;
    }

    public: bool operator <= (const UUID & rhs) const {
        return uuid <= rhs.uuid;
    }

    public: bool operator >= (const UUID & rhs) const {
        return uuid >= rhs.uuid;
    }


    private: const boost::uuids::uuid uuid;
};

template <typename AllocatorT>
inline Balau::U8String<AllocatorT> toString(const UUID & uuid) {
    return uuid.asString<AllocatorT>();
}

inline std::string toString(const UUID & uuid) {
    return uuid.asString();
}

} // namespace Balau

#endif // COM_BORA_SOFTWARE__BALAU_TYPE__UUID