path: root/util/json-cpp.hpp

//
// DO NOT EDIT !!! This file was generated with a script.
//
// JSON for C++
// https://github.com/ascheglov/json-cpp
// Version 0.1 alpha, rev. 170121e2dc099895064305e38bfb25d90a807ce3
// Generated 2014-03-27 17:16:47.104492 UTC
//
// Belongs to the public domain

#pragma once

//----------------------------------------------------------------------
// json-cpp.hpp begin

//----------------------------------------------------------------------
// json-cpp/parse.hpp begin

#include <memory>
#include <istream>
#include <iterator>
#include <string>
#include <type_traits>

//----------------------------------------------------------------------
// json-cpp/ParserError.hpp begin

#include <cassert>
#include <cstddef>
#include <exception>
#include <string>

#if defined _MSC_VER
#   define JSONCPP_INTERNAL_NOEXCEPT_ throw()
#else
#   define JSONCPP_INTERNAL_NOEXCEPT_ noexcept
#endif

namespace jsoncpp
{
    class ParserError : public std::exception
    {
    public:
        enum Type
        {
            NoError,
            Eof, UnexpectedCharacter,
            InvalidEscapeSequence, NoTrailSurrogate,
            UnexpectedType, UnknownField,
            NumberIsOutOfRange,
        };

        ParserError(Type type, std::size_t line, std::size_t column)
            : m_type{type}, m_line{line}, m_column{column}
        {
            assert(type != NoError);
        }

        virtual const char* what() const JSONCPP_INTERNAL_NOEXCEPT_ override
        {
            if (m_what.empty())
            {
                m_what = "JSON parser error at line ";
                m_what += std::to_string(m_line);
                m_what += ", column ";
                m_what += std::to_string(m_column);
                switch (m_type)
                {
                case Eof: m_what += ": unexpected end of file"; break;
                case UnexpectedCharacter: m_what += ": unexpected character"; break;
                case InvalidEscapeSequence: m_what += ": invalid escape sequence"; break;
                case NoTrailSurrogate: m_what += ": no UTF-16 trail surrogate"; break;
                case UnexpectedType: m_what += ": unexpected value type"; break;
                case UnknownField: m_what += ": unknown field name"; break;
                case NumberIsOutOfRange: m_what += ": number is out of range"; break;
                case NoError:
                default:
                    m_what += ": INTERNAL ERROR"; break;
                }
            }

            return m_what.c_str();
        }

        Type type() const { return m_type; }
        std::size_t line() const { return m_line; }
        std::size_t column() const { return m_column; }

    private:
        Type m_type;
        std::size_t m_line;
        std::size_t m_column;

        mutable std::string m_what;
    };
}

#undef JSONCPP_INTERNAL_NOEXCEPT_

// json-cpp/ParserError.hpp end
//----------------------------------------------------------------------

//----------------------------------------------------------------------
// json-cpp/Stream.hpp begin

namespace jsoncpp
{
    template<class Traits>
    class Stream;

    namespace details
    {
        template<typename CharT, class X>
        struct Traits2 {};

        template<class Traits>
        struct ParserTraits {};

        template<class Traits>
        struct GeneratorTraits {};
    }

    template<class X>
    using Parser = Stream<details::ParserTraits<X>>;

    template<class X>
    using Generator = Stream<details::GeneratorTraits<X>>;

    template<typename X, typename T>
    inline auto serialize(Stream<X>& stream, T& value) -> decltype(value.serialize(stream), void())
    {
        value.serialize(stream);
    }
}
// json-cpp/Stream.hpp end
//----------------------------------------------------------------------

//----------------------------------------------------------------------
// json-cpp/value_types.hpp begin

namespace jsoncpp
{
    // Helper masks
    const auto TypeIsNotFundamental = 0x40;
    const auto TypeIsCollection = 0x80;

    enum class Type
    {
        Undefined = 0, // Helper type for debugging variant-like types
        Null = 0x01,
        Boolean = 0x02,
        Number = 0x04,
        String = 0x08 | TypeIsNotFundamental,
        Array = 0x10 | TypeIsNotFundamental | TypeIsCollection,
        Object = 0x20 | TypeIsNotFundamental | TypeIsCollection,
    };
}
// json-cpp/value_types.hpp end
//----------------------------------------------------------------------

//----------------------------------------------------------------------
// json-cpp/details/parser_utility.hpp begin

#include <cassert>
#include <cstddef>
#include <utility>

namespace jsoncpp { namespace details
{
    template<typename CharT>
    struct CStrIterator
    {
        using this_type = CStrIterator<CharT>;

        CStrIterator()
        {
            static CharT null{0};
            m_ptr = &null;
        }

        CStrIterator(const CharT* ptr) : m_ptr{ptr} {}

        const CharT& operator*() { return *m_ptr; }
        const CharT* operator->() { return m_ptr; }

        this_type& operator++()
        {
            assert(!isEnd());
            ++m_ptr;
            return *this;
        }

        this_type operator++(int) { auto temp = *this; ++*this; return temp; }

        bool operator==(const this_type& rhs) const { return isEnd() == rhs.isEnd(); }
        bool operator!=(const this_type& rhs) const { return !this->operator==(rhs); }

    private:
        const CharT* m_ptr;

        bool isEnd() const { return *m_ptr == 0; }
    };

    class Diagnostics
    {
    public:
        void nextColumn() { ++m_column; }
        void newLine() { ++m_line; m_column = 0; }

        ParserError makeError(ParserError::Type type) const
        {
            return{type, m_line, m_column};
        }

    private:
        std::size_t m_column{0};
        std::size_t m_line{1};
    };

    template<typename InputIterator>
    struct Reader
    {
        using this_type = Reader<InputIterator>;

        Reader(InputIterator first, InputIterator last) : m_iter(first), m_end(last)
        {
            checkEnd();
        }

        char operator*() { return *m_iter; }
        this_type& operator++()
        {
            checkEnd();
            ++m_iter;
            m_diag.nextColumn();
            return *this;
        }

        void checkEnd()
        {
            if (m_iter == m_end)
                throw m_diag.makeError(ParserError::Eof);
        }

        char getNextChar()
        {
            auto prev = *m_iter;
            ++*this;
            return prev;
        }

        Diagnostics m_diag;
        InputIterator m_iter, m_end;
    };
}}

// json-cpp/details/parser_utility.hpp end
//----------------------------------------------------------------------

//----------------------------------------------------------------------
// json-cpp/details/number_parser.hpp begin

#include <cmath>

namespace jsoncpp { namespace details
{
    inline bool isDigit(char c) { return c >= '0' && c <= '9'; }

    template<typename Iterator>
    inline unsigned parseIntNumber(Iterator& iter)
    {
        auto intPart = 0U; // TBD: 0ULL ?

        do
        {
            intPart = intPart * 10 + (*iter - '0');

            ++iter;
        }
        while (isDigit(*iter));

        return intPart;
    }

    template<typename Iterator>
    inline double parseRealNumber(Iterator& iter)
    {
        double number = 0;

        if (*iter == '0')
        {
            ++iter;
        }
        else
        {
            number = parseIntNumber(iter);
        }

        // here `ch` is a peeked character, need to call eat()

        if (*iter == '.')
        {
            ++iter;

            auto mul = 0.1;
            while (isDigit(*iter))
            {
                number += (*iter - '0') * mul;
                mul /= 10;
                ++iter;
            }
        }

        // here `ch` is a peeked character, need to call eat()

        if (*iter == 'e' || *iter == 'E')
        {
            ++iter;

            auto negate = *iter == '-';
            if (negate || *iter == '+')
                ++iter;
            // FIXME: check `ch` for non-digit

            auto e = parseIntNumber(iter);

            if (negate)
                number /= std::pow(10, e);
            else
                number *= std::pow(10, e);
        }

        return number;
    }
}}
// json-cpp/details/number_parser.hpp end
//----------------------------------------------------------------------

//----------------------------------------------------------------------
// json-cpp/details/string_parser.hpp begin

#include <string>

namespace jsoncpp { namespace details
{
    inline char32_t utf16SurrogatePairToUtf32(char32_t lead, char32_t trail)
    {
        return 0x10000 | (lead - 0xD800) << 10 | (trail - 0xDC00);
    }

    inline void utf32ToUtf8(char32_t c, std::string& str)
    {
        auto add = [&str](char32_t c){ str.push_back(static_cast<char>(c)); };

        if (c < 0x80)
        {
            add(c);
        }
        else if (c < 0x800)
        {
            add(0xC0 | c >> 6);
            add(0x80 | (c & 0x3f));
        }
        else if (c < 0x10000)
        {
            add(0xE0 | c >> 12);
            add(0x80 | ((c >> 6) & 0x3f));
            add(0x80 | (c & 0x3f));
        }
        else if (c < 0x200000)
        {
            add(0xF0 | c >> 18);
            add(0x80 | ((c >> 12) & 0x3f));
            add(0x80 | ((c >> 6) & 0x3f));
            add(0x80 | (c & 0x3f));
        }
        else if (c < 0x4000000)
        {
            add(0xF8 | c >> 24);
            add(0x80 | ((c >> 18) & 0x3f));
            add(0x80 | ((c >> 12) & 0x3f));
            add(0x80 | ((c >> 6) & 0x3f));
            add(0x80 | (c & 0x3f));
        }
        else
        {
            add(0xFC | c >> 30);
            add(0x80 | ((c >> 24) & 0x3f));
            add(0x80 | ((c >> 18) & 0x3f));
            add(0x80 | ((c >> 12) & 0x3f));
            add(0x80 | ((c >> 6) & 0x3f));
            add(0x80 | (c & 0x3f));
        }
    }

    enum class CharType { Raw, CodePoint, UTF16Pair };

    template<typename CharT, std::size_t CharSize>
    inline void addToStr(std::basic_string<CharT>& str, CharType type, char32_t c1, char32_t c2);

    template<>
    inline void addToStr<char, 1>(std::basic_string<char>& str, CharType type, char32_t c1, char32_t c2)
    {
        if (type == CharType::Raw)
        {
            str.push_back(static_cast<char>(c1));
        }
        else if (type == CharType::CodePoint)
        {
            utf32ToUtf8(c1, str);
        }
        else
        {
            auto c32 = utf16SurrogatePairToUtf32(c1, c2);
            utf32ToUtf8(c32, str);
        }
    }

    template<>
    inline void addToStr<wchar_t, 2>(std::basic_string<wchar_t>& str, CharType type, char32_t c1, char32_t c2)
    {
        str.push_back(static_cast<wchar_t>(c1));
        if (type == CharType::UTF16Pair)
            str.push_back(static_cast<wchar_t>(c2));
    }

    template<>
    inline void addToStr<wchar_t, 4>(std::basic_string<wchar_t>& str, CharType type, char32_t c1, char32_t c2)
    {
        auto c = (type == CharType::UTF16Pair) ? utf16SurrogatePairToUtf32(c1, c2) : c1;
        str.push_back(static_cast<wchar_t>(c));
    }

    template<typename Iterator>
    inline int parseHexDigit(Iterator& iter, ParserError::Type& err)
    {
        auto ch = *iter;
        ++iter;
        if (ch >= '0' && ch <= '9') return ch - '0';
        if (ch >= 'A' && ch <= 'F') return ch - 'A' + 10;
        if (ch >= 'a' && ch <= 'f') return ch - 'a' + 10;
        
        err = ParserError::InvalidEscapeSequence;
        return 0;
    }

    template<typename Iterator>
    inline char32_t parseUTF16CodeUnit(Iterator& iter, ParserError::Type& err)
    {
        auto n = parseHexDigit(iter, err) << 12;
        n |= parseHexDigit(iter, err) << 8;
        n |= parseHexDigit(iter, err) << 4;
        n |= parseHexDigit(iter, err);
        return static_cast<char32_t>(n);
    }

    template<typename Iterator, typename CharT>
    inline ParserError::Type parseStringImpl(Iterator& iter, std::basic_string<CharT>& str)
    {
        str.clear();
        auto add = [&str](CharType type, char32_t c1, char32_t c2)
        {
            addToStr<CharT, sizeof(CharT)>(str, type, c1, c2);
        };

        for (;;)
        {
            auto ch = static_cast<char32_t>(*iter);
            ++iter;
            if (ch == '"')
                return ParserError::NoError;

            if (ch == '\\')
            {
                ch = static_cast<char32_t>(*iter);
                ++iter;
                switch (ch)
                {
                case '\\': case '"': case '/':
                    break;

                case 'b': ch = '\b'; break;
                case 'f': ch = '\f'; break;
                case 'n': ch = '\n'; break;
                case 'r': ch = '\r'; break;
                case 't': ch = '\t'; break;

                case 'u':
                    {
                        ParserError::Type err{ParserError::NoError};
                        auto codeUnit = parseUTF16CodeUnit(iter, err);
                        if (err != ParserError::NoError)
                            return err;

                        if (codeUnit >= 0xD800 && codeUnit < 0xDC00)
                        {
                            if (*iter != '\\') return ParserError::NoTrailSurrogate;
                            ++iter;
                            if (*iter != 'u') return ParserError::NoTrailSurrogate;
                            ++iter;

                            auto trailSurrogate = parseUTF16CodeUnit(iter, err);
                            if (err != ParserError::NoError)
                                return err;

                            add(CharType::UTF16Pair, codeUnit, trailSurrogate);
                        }
                        else
                        {
                            add(CharType::CodePoint, codeUnit, 0);
                        }
                    }
                    continue;

                default:
                    return ParserError::InvalidEscapeSequence;
                }
            }

            add(CharType::Raw, ch, 0);
        }
    }
}}

// json-cpp/details/string_parser.hpp end
//----------------------------------------------------------------------

namespace jsoncpp
{
    template<typename CharT, typename InputIterator>
    class Stream<details::ParserTraits<details::Traits2<CharT, InputIterator>>>
    {
    public:
        using this_type = Parser<details::Traits2<CharT, InputIterator>>;

        explicit Stream(InputIterator first, InputIterator last)
            : m_reader{first, last}
        {
            nextValue();
        }

        Type getType() const { return m_type; }
        bool getBoolean() const { return m_boolean; }
        double getNumber() const { return m_number; }
        const std::string& getFieldName() const { return m_fieldName; }

        void checkType(Type type) const
        {
            if (getType() != type)
                throw makeError(ParserError::UnexpectedType);
        }

        bool isListEnd(char terminator)
        {
            eatWhitespace();
            if (*m_reader != terminator)
                return false;

            ++m_reader;
            return true;
        }

        void eatListSeparator()
        {
            eatWhitespace();
            check(',');
            eatWhitespace();
        }

        void nextNameValuePair()
        {
            eatWhitespace();
            check('"');
            parseString(m_fieldName);
            eatWhitespace();
            check(':');
            nextValue();
        }

        void nextValue()
        {
            eatWhitespace();
            m_type = nextValueImpl();
        }

        template<typename DstCharT>
        void parseString(std::basic_string<DstCharT>& str)
        {
            auto err = parseStringImpl(m_reader, str);
            if (err != ParserError::NoError)
                throw m_reader.m_diag.makeError(err);
        }

        ParserError makeError(ParserError::Type type) const
        {
            return m_reader.m_diag.makeError(type);
        }

    private:
        Type nextValueImpl()
        {
            switch (*m_reader)
            {
            case '{': ++m_reader; return Type::Object;
            case '[': ++m_reader; return Type::Array;
            case 't': ++m_reader; checkLiteral("true"); m_boolean = true; return Type::Boolean;
            case 'f': ++m_reader; checkLiteral("false"); m_boolean = false; return Type::Boolean;
            case 'n': ++m_reader; checkLiteral("null"); return Type::Null;
            case '"': ++m_reader; return Type::String;

            case '0': case '1': case '2': case '3': case '4':
            case '5': case '6': case '7': case '8': case '9':
                m_number = parseRealNumber(m_reader);
                return Type::Number;

            case '-':
                ++m_reader;
                m_number = -parseRealNumber(m_reader);
                return Type::Number;
            }

            throw unexpectedCharacter();
        }

        ParserError unexpectedCharacter() const
        {
            return makeError(ParserError::UnexpectedCharacter);
        }

        void check(char expectedChar)
        {
            if (*m_reader != expectedChar)
                throw unexpectedCharacter();

            ++m_reader;
        }

        template<std::size_t N>
        void checkLiteral(const char(&literal)[N])
        {
            static_assert(N > 2, "");
            for (auto i = 1; i != N - 1; ++i, ++m_reader)
                if (*m_reader != literal[i])
                    throw unexpectedCharacter();
        }

        void eatWhitespace()
        {
            for (;; ++m_reader)
            {
                switch (*m_reader)
                {
                case '/':
                    ++m_reader;
                    check('/');
                    while (*m_reader != '\n')
                        ++m_reader;

                    // no break here
                case '\n':
                    m_reader.m_diag.newLine();
                    break;

                case ' ': case '\t': case '\r':
                    break;

                default:
                    return;
                }
            }
        }

        details::Reader<InputIterator> m_reader;

        Type m_type;
        double m_number;
        bool m_boolean;
        std::string m_fieldName;
    };

    template<class X>
    inline void serialize(Parser<X>& parser, bool& value)
    {
        parser.checkType(Type::Boolean);
        value = parser.getBoolean();
    }

    template<class X, typename T>
    inline typename std::enable_if<std::is_arithmetic<T>::value>::type
        serialize(Parser<X>& parser, T& value)
    {
        parser.checkType(Type::Number);
        auto number = parser.getNumber();
        value = static_cast<T>(number);
        if (value != number)
            throw parser.makeError(ParserError::NumberIsOutOfRange);
    }

    template<class X, typename DstCharT>
    inline void serialize(Parser<X>& parser, std::basic_string<DstCharT>& value)
    {
        parser.checkType(Type::String);
        parser.parseString(value);
    }

    namespace details
    {
        template<class X, typename Callback>
        inline void parseList(Parser<X>& parser, Type type, char terminator, Callback&& callback)
        {
            parser.checkType(type);

            while (!parser.isListEnd(terminator))
            {
                callback();

                if (parser.isListEnd(terminator))
                    return;

                parser.eatListSeparator();
            }
        }
    }

    template<class X, typename Callback>
    inline void parseObject(Parser<X>& parser, Callback&& callback)
    {
        details::parseList(parser, Type::Object, '}', [&]
        {
            parser.nextNameValuePair();
            callback(parser.getFieldName());
        });
    }

    template<class X, typename Callback>
    void parseArray(Parser<X>& parser, Callback&& callback)
    {
        details::parseList(parser, Type::Array, ']', [&]
        {
            parser.nextValue();
            callback();
        });
    }

    template<typename CharT, class T, typename InputIterator>
    inline void parse(T& object, InputIterator first, InputIterator last)
    {
        Parser<details::Traits2<CharT, InputIterator>> stream{first, last};
        serialize(stream, object);
    }

    template<typename T, typename CharT>
    inline void parse(T& object, const CharT* str)
    {
        details::CStrIterator<CharT> first{str}, last;
        parse<CharT>(object, first, last);
    }

    template<typename T, typename CharT>
    inline void parse(T& object, std::basic_string<CharT>& str)
    {
        parse<CharT>(object, std::begin(str), std::end(str));
    }

    template<typename T, typename CharT>
    inline void parse(T& object, std::basic_istream<CharT>& stream)
    {
        std::istreambuf_iterator<CharT> first{stream}, last;
        parse<CharT>(object, first, last);
    }
}

// json-cpp/parse.hpp end
//----------------------------------------------------------------------

//----------------------------------------------------------------------
// json-cpp/std_types.hpp begin

#include <deque>
#include <forward_list>
#include <list>
#include <map>
#include <memory>
#include <set>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#include <vector>

//----------------------------------------------------------------------
// json-cpp/generate.hpp begin

#include <sstream>
#include <string>

//----------------------------------------------------------------------
// json-cpp/details/string_writer.hpp begin

#include <string>

namespace jsoncpp { namespace details
{
    template<typename SrcCharT, typename Sink>
    inline void writeString(const std::basic_string<SrcCharT>& str, Sink&& sink)
    {
        sink('"');
        for (auto iter = std::begin(str), last = std::end(str); iter != last; ++iter)
        {
            switch (char32_t ch = static_cast<unsigned char>(*iter))
            {
            case '"': sink('\\'); sink('"'); break;
            case '\\': sink('\\'); sink('\\'); break;
            case '\b': sink('\\'); sink('b'); break;
            case '\f': sink('\\'); sink('f'); break;
            case '\n': sink('\\'); sink('n'); break;
            case '\r': sink('\\'); sink('r'); break;
            case '\t': sink('\\'); sink('t'); break;
            default:
                if (ch < '\x20')
                {
                    const auto table = "0123456789ABCDEF";
                    unsigned n = static_cast<unsigned char>(ch);
                    sink('\\');
                    sink('u');
                    sink('0');
                    sink('0');
                    sink(table[n >> 4]);
                    sink(table[n & 15]);
                }
                else
                {
                    sink(static_cast<char>(ch));
                }
            }
        }
        sink('"');
    }
}}

// json-cpp/details/string_writer.hpp end
//----------------------------------------------------------------------

namespace jsoncpp
{
    template<typename CharT, typename Sink>
    class Stream<details::GeneratorTraits<details::Traits2<CharT, Sink>>>
    {
    public:
        using this_type = Generator<details::Traits2<CharT, Sink>>;

        explicit Stream(Sink& sink) : m_sink(&sink) {}

        void objectBegin()
        {
            (*m_sink) << "{";
        }

        void fieldName(const char* name)
        {
            (*m_sink) << '"' << name << "\": ";
            // TODO: use writeString (?)
        }

        template<typename StrCharT>
        void fieldName(const std::basic_string<StrCharT>& name)
        {
            (*m_sink) << '"' << name << "\": ";
            // TODO: use writeString (?)
        }

        void separator()
        {
            (*m_sink) << ", ";
        }

        void objectEnd()
        {
            (*m_sink) << '}';
        }

        void arrayBegin()
        {
            (*m_sink) << '[';
        }

        void arrayEnd()
        {
            (*m_sink) << ']';
        }

        friend void serialize(this_type& stream, std::nullptr_t)
        {
            (*stream.m_sink) << "null";
        }

        friend void serialize(this_type& stream, bool value)
        {
            (*stream.m_sink) << (value ? "true" : "false");
        }

        template<typename T>
        friend typename std::enable_if<std::is_arithmetic<T>::value>::type serialize(this_type& stream, T& value)
        {
            (*stream.m_sink) << value;
        }

        template<typename SrcCharT>
        friend void serialize(this_type& stream, const std::basic_string<SrcCharT>& value)
        {
            details::writeString(value, [&stream](char c){ stream.m_sink->put(c); });
        }

    private:
        Sink* m_sink;
    };

    template<class X, typename Pointer>
    inline void writePointer(Generator<X>& generator, Pointer& ptr)
    {
        if (ptr)
        {
            serialize(generator, *ptr);
        }
        else
        {
            serialize(generator, nullptr);
        }
    }

    template<class X, typename Range>
    inline void writeRange(Generator<X>& generator, Range& range)
    {
        generator.arrayBegin();

        auto iter = std::begin(range);
        const auto& last = std::end(range);
        if (iter != last)
        {
            for (;;)
            {
                serialize(generator, *iter);

                ++iter;
                if (iter == last)
                    break;

                generator.separator();
            }
        }

        generator.arrayEnd();
    }

    template<class T>
    inline std::string to_string(const T& object)
    {
        std::ostringstream rawStream;
        Generator<details::Traits2<char, std::ostream>> stream{rawStream};
        serialize(stream, const_cast<T&>(object));
        return rawStream.str();
    }
}

// json-cpp/generate.hpp end
//----------------------------------------------------------------------

namespace jsoncpp
{
    template<class X, typename T>
    inline void serialize(Parser<X>& parser, std::shared_ptr<T>& obj)
    {
        if (parser.getType() != jsoncpp::Type::Null)
        {
            obj = std::make_shared<T>();
            serialize(parser, *obj);
        }
        else
        {
            obj.reset();
        }
    }

    template<class X, typename T>
    inline void serialize(Generator<X>& generator, std::shared_ptr<T>& obj)
    {
        writePointer(generator, obj);
    }

    template<class X, typename T>
    inline void serialize(Parser<X>& parser, std::unique_ptr<T>& obj)
    {
        if (parser.getType() != jsoncpp::Type::Null)
        {
            obj->reset(new T());
            serialize(parser, *obj);
        }
        else
        {
            obj.reset();
        }
    }

    template<class X, typename T>
    inline void serialize(Generator<X>& generator, std::unique_ptr<T>& obj)
    {
        writePointer(generator, obj);
    }

    namespace details
    {
        template<class X, typename C>
        inline void serializeContainer(Parser<X>& parser, C& c)
        {
            c.clear();

            parseArray(parser, [&]
            {
                c.emplace_back();
                serialize(parser, c.back());
            });
        }

        template<class X, typename C>
        inline void serializeContainer(Generator<X>& generator, C& c)
        {
            writeRange(generator, c);
        }

        template<class X, typename C>
        inline void serializeSet(Parser<X>& parser, C& c)
        {
            c.clear();

            parseArray(parser, [&]
            {
                typename C::value_type value;
                serialize(parser, value);
                c.insert(value);
            });
        }

        template<class X, typename C>
        inline void serializeSet(Generator<X>& generator, C& c)
        {
            writeRange(generator, c);
        }

        template<class X, typename C>
        inline void serializeStrMap(Parser<X>& parser, C& c)
        {
            c.clear();

            parseObject(parser, [&](const std::string& name)
            {
                serialize(parser, c[name]);
            });
        }

        template<class X, typename C>
        inline void serializeStrMap(Generator<X>& generator, C& c)
        {
            generator.objectBegin();
            
            auto iter = std::begin(c);
            const auto& last = std::end(c);
            if (iter != last)
            {
                for (;;)
                {
                    generator.fieldName(iter->first);
                    serialize(generator, iter->second);

                    ++iter;
                    if (iter == last)
                        break;

                    generator.separator();
                }
            }

            generator.objectEnd();
        }
    }

    template<class X, typename T>
    inline void serialize(Stream<X>& stream, std::vector<T>& arr)
    { details::serializeContainer(stream, arr); }

    template<class X, typename T>
    inline void serialize(Stream<X>& stream, std::list<T>& arr)
    { details::serializeContainer(stream, arr); }

    template<class X, typename T>
    inline void serialize(Stream<X>& stream, std::forward_list<T>& arr)
    { details::serializeContainer(stream, arr); }

    template<class X, typename T>
    inline void serialize(Stream<X>& stream, std::deque<T>& arr)
    { details::serializeContainer(stream, arr); }

    template<class X, typename T>
    inline void serialize(Stream<X>& stream, std::set<T>& arr)
    { details::serializeSet(stream, arr); }

    template<class X, typename T>
    inline void serialize(Stream<X>& stream, std::unordered_set<T>& arr)
    { details::serializeSet(stream, arr); }

    template<class X, typename T>
    inline void serialize(Stream<X>& stream, std::map<std::string, T>& t)
    { details::serializeStrMap(stream, t); }

    template<class X, typename T>
    inline void serialize(Stream<X>& stream, std::unordered_map<std::string, T>& t)
    { details::serializeStrMap(stream, t); }
}
// json-cpp/std_types.hpp end
//----------------------------------------------------------------------

//----------------------------------------------------------------------
// json-cpp/serialization_helpers.hpp begin

#include <array>
#include <unordered_map>

namespace jsoncpp
{
    namespace details
    {
        template<class X, typename T>
        inline void writeField(Generator<X>& generator, const char* name, T& value)
        {
            generator.fieldName(name);
            serialize(generator, value);
        }

        template<class X, typename T, typename... F>
        inline void writeField(Generator<X>& generator, const char* name, T& value, F&&... fieldsDef)
        {
            writeField(generator, name, value);
            generator.separator();
            writeField(generator, fieldsDef...);
        }

        template<typename ParserT>
        class FieldsTable
        {
        public:
            template<typename... F>
            FieldsTable(F&&... fieldsDef)
            {
                m_map.reserve(sizeof...(fieldsDef) / 2);
                add(1, fieldsDef...);
            }

            struct FieldInfo
            {
                template<typename T>
                FieldInfo(T&, std::size_t idx)
                {
                    m_fieldIdx = idx;
                    m_parseFn = [](ParserT& parser, void* fieldPtr)
                    {
                        serialize(parser, static_cast<T&>(*reinterpret_cast<T*>(fieldPtr)));
                    };
                }

                std::size_t m_fieldIdx;
                void(*m_parseFn)(ParserT& parser, void* fieldPtr);
            };

            const FieldInfo* find(const std::string& name) const
            {
                auto it = m_map.find(name);
                return it == m_map.end() ? nullptr : &it->second;
            }

        private:
            template<typename T, typename... F>
            void add(std::size_t idx, const char* name, T& value, F&&... otherFields)
            {
                m_map.emplace(name, FieldInfo(value, idx));
                add(idx + 2, otherFields...);
            }

            void add(std::size_t /*idx*/) {}

            std::unordered_map<std::string, FieldInfo> m_map;
        };

        inline void* makePtrs(const char*) { return nullptr; }

        template<typename T>
        inline void* makePtrs(T& obj) { return &obj; }
    }

    template<class Cls, class X, typename... F>
    inline void fields(Cls&, Parser<X>& parser, F&&... fieldsDef)
    {
        std::array<void*, sizeof...(fieldsDef)> ptrs{details::makePtrs(fieldsDef)...};

        static const details::FieldsTable<Parser<X>> table{fieldsDef...};
        
        auto&& handler = [&](const std::string& fieldName)
        {
            auto fieldInfo = table.find(fieldName);
            if (fieldInfo == nullptr)
                throw parser.makeError(ParserError::UnknownField);

            auto fieldPtr = ptrs[fieldInfo->m_fieldIdx];
            fieldInfo->m_parseFn(parser, fieldPtr);
        };

        parseObject(parser, handler);
    }

    template<class Cls, class X, typename... F>
    inline void fields(Cls&, Generator<X>& generator, F&&... fieldsDef)
    {
        generator.objectBegin();
        details::writeField(generator, fieldsDef...);
        generator.objectEnd();
    }
}

// json-cpp/serialization_helpers.hpp end
//----------------------------------------------------------------------

// json-cpp.hpp end
//----------------------------------------------------------------------