qtprotobuftypes.h

/*
 * MIT License
 *
 * Copyright (c) 2019 Alexey Edelev <semlanik@gmail.com>
 *
 * This file is part of QtProtobuf project https://git.semlanik.org/semlanik/qtprotobuf
 *
 * 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.
 */
 
#pragma once //QtProtobufTypes
 
#include "qtprotobufglobal.h"
 
#include <QList>
#include <QMetaType>
 
#include <unordered_map>
#include <functional>
#include <list>
#include <type_traits>
 
namespace QtProtobuf {
 
enum WireTypes {
    UnknownWireType = -1, 
    Varint = 0,           
    Fixed64 = 1,          
    LengthDelimited = 2,  
    StartGroup = 3,       
    EndGroup = 4,         
    Fixed32 = 5           
};
 
struct PropertyOrderingInfo {
    PropertyOrderingInfo(int _qtProperty, const QString &_jsonName) : qtProperty(_qtProperty)
      , jsonName(_jsonName) {}
 
    int qtProperty;
    QString jsonName;
    template<typename T,
             typename std::enable_if_t<std::is_integral<T>::value, int> = 0>
    operator T() const { return qtProperty; }
    operator QString() const { return jsonName; }
 
    template<typename T,
             typename std::enable_if_t<std::is_integral<T>::value, int> = 0>
    bool operator==(const T _qtProperty) const { return _qtProperty == qtProperty; }
    bool operator==(const QString &_jsonName) const { return _jsonName == jsonName; }
};
 
using QProtobufPropertyOrdering = std::unordered_map<int, PropertyOrderingInfo>;
 
template<typename T, int = 0>
struct transparent {
    transparent(T t = T()) : _t(t) {}
    T _t;
    operator T &() { return _t; }
    operator T() const { return _t; }
    transparent &operator =(const T &t) { _t = t; return *this; }
 
    static T toType(transparent t) { return t._t; }
    static transparent fromType(T _t) { return transparent(_t); }
 
    static QString toString(transparent t) { return QString::number(t._t); }
};
 
using int32 = transparent<int32_t>;
 
using int64 = transparent<int64_t>;
 
using uint32 = uint32_t;
 
using uint64 = uint64_t;
 
using sint32 = int32_t;
 
using sint64 = int64_t;
 
using fixed32 = transparent<uint32_t, 1>;
 
using fixed64 = transparent<uint64_t, 1>;
 
using sfixed32 = transparent<int32_t, 1>;
 
using sfixed64 = transparent<int64_t, 1>;
 
using int32List = QList<int32>;
 
using int64List = QList<int64>;
 
using uint32List = QList<uint32>;
 
using uint64List = QList<uint64>;
 
using sint32List = QList<sint32>;
 
using sint64List = QList<sint64>;
 
using fixed32List = QList<fixed32>;
 
using fixed64List = QList<fixed64>;
 
using sfixed32List = QList<sfixed32>;
 
using sfixed64List = QList<sfixed64>;
 
using FloatList = QList<float>;
 
using DoubleList = QList<double>;
 
Q_PROTOBUF_EXPORT void qRegisterProtobufTypes();
 
using RegisterFunction = std::function<void(void)>;
 
Q_PROTOBUF_EXPORT std::list<RegisterFunction>& registerFunctions();
 
template <typename T>
struct ProtoTypeRegistrar {
    ProtoTypeRegistrar(RegisterFunction initializer) {
        registerFunctions().push_back(initializer);
    }
};
 
}
 
Q_DECLARE_METATYPE(QtProtobuf::int32)
Q_DECLARE_METATYPE(QtProtobuf::int64)
Q_DECLARE_METATYPE(QtProtobuf::sint32)
Q_DECLARE_METATYPE(QtProtobuf::sint64)
Q_DECLARE_METATYPE(QtProtobuf::uint32)
Q_DECLARE_METATYPE(QtProtobuf::uint64)
Q_DECLARE_METATYPE(QtProtobuf::fixed32)
Q_DECLARE_METATYPE(QtProtobuf::fixed64)
Q_DECLARE_METATYPE(QtProtobuf::sfixed32)
Q_DECLARE_METATYPE(QtProtobuf::sfixed64)
 
Q_DECLARE_METATYPE(QtProtobuf::int32List)
Q_DECLARE_METATYPE(QtProtobuf::int64List)
Q_DECLARE_METATYPE(QtProtobuf::sint32List)
Q_DECLARE_METATYPE(QtProtobuf::sint64List)
Q_DECLARE_METATYPE(QtProtobuf::uint32List)
Q_DECLARE_METATYPE(QtProtobuf::uint64List)
Q_DECLARE_METATYPE(QtProtobuf::fixed32List)
Q_DECLARE_METATYPE(QtProtobuf::fixed64List)
Q_DECLARE_METATYPE(QtProtobuf::sfixed32List)
Q_DECLARE_METATYPE(QtProtobuf::sfixed64List)
 
Q_DECLARE_METATYPE(QtProtobuf::FloatList)
Q_DECLARE_METATYPE(QtProtobuf::DoubleList)
 
namespace std {
template<>
struct make_unsigned<QtProtobuf::int32> { typedef typename make_unsigned<decltype(QtProtobuf::int32::_t)>::type type; };
template<>
struct make_unsigned<QtProtobuf::int64> { typedef typename make_unsigned<decltype(QtProtobuf::int64::_t)>::type type; };
template<>
struct make_unsigned<QtProtobuf::fixed32> { typedef typename make_unsigned<decltype(QtProtobuf::fixed32::_t)>::type type; };
template<>
struct make_unsigned<QtProtobuf::fixed64> { typedef typename make_unsigned<decltype(QtProtobuf::fixed64::_t)>::type type; };
template<>
struct make_unsigned<QtProtobuf::sfixed32> { typedef typename make_unsigned<decltype(QtProtobuf::sfixed32::_t)>::type type; };
template<>
struct make_unsigned<QtProtobuf::sfixed64> { typedef typename make_unsigned<decltype(QtProtobuf::sfixed64::_t)>::type type; };
 
template<>
struct make_signed<QtProtobuf::int32> { typedef typename make_signed<decltype(QtProtobuf::int32::_t)>::type type; };
template<>
struct make_signed<QtProtobuf::int64> { typedef typename make_signed<decltype(QtProtobuf::int64::_t)>::type type; };
template<>
struct make_signed<QtProtobuf::fixed32> { typedef typename make_signed<decltype(QtProtobuf::fixed32::_t)>::type type; };
template<>
struct make_signed<QtProtobuf::fixed64> { typedef typename make_signed<decltype(QtProtobuf::fixed64::_t)>::type type; };
template<>
struct make_signed<QtProtobuf::sfixed32> { typedef typename make_signed<decltype(QtProtobuf::sfixed32::_t)>::type type; };
template<>
struct make_signed<QtProtobuf::sfixed64> { typedef typename make_signed<decltype(QtProtobuf::sfixed64::_t)>::type type; };
 
template<>
struct is_signed<QtProtobuf::int32> : public is_signed<decltype(QtProtobuf::int32::_t)> {};
template<>
struct is_signed<QtProtobuf::int64> : public is_signed<decltype(QtProtobuf::int64::_t)> {};
template<>
struct is_signed<QtProtobuf::fixed32> : public is_signed<decltype(QtProtobuf::fixed32::_t)> {};
template<>
struct is_signed<QtProtobuf::fixed64> : public is_signed<decltype(QtProtobuf::fixed64::_t)> {};
template<>
struct is_signed<QtProtobuf::sfixed32> : public is_signed<decltype(QtProtobuf::sfixed32::_t)> {};
template<>
struct is_signed<QtProtobuf::sfixed64> : public is_signed<decltype(QtProtobuf::sfixed64::_t)> {};
 
#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
template<> struct hash<QString> {
    std::size_t operator()(const QString &s) const {
        return std::hash<std::string>()(s.toStdString());
    }
};
#endif
}