added bundled fmt 5.x

include/spdlog/fmt/bundled/format.cc

+// Formatting library for C++
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#include "fmt/format-inl.h"
+
+namespace fmt {
+
+template struct internal::basic_data<void>;
+
+// Explicit instantiations for char.
+
+template FMT_API char internal::thousands_sep(locale_provider *lp);
+
+template void basic_fixed_buffer<char>::grow(std::size_t);
+
+template void internal::arg_map<format_context>::init(
+    const basic_format_args<format_context> &args);
+
+template FMT_API int internal::char_traits<char>::format_float(
+    char *buffer, std::size_t size, const char *format,
+    unsigned width, int precision, double value);
+
+template FMT_API int internal::char_traits<char>::format_float(
+    char *buffer, std::size_t size, const char *format,
+    unsigned width, int precision, long double value);
+
+// Explicit instantiations for wchar_t.
+
+template FMT_API wchar_t internal::thousands_sep(locale_provider *lp);
+
+template void basic_fixed_buffer<wchar_t>::grow(std::size_t);
+
+template void internal::arg_map<wformat_context>::init(const wformat_args &args);
+
+template FMT_API int internal::char_traits<wchar_t>::format_float(
+    wchar_t *buffer, std::size_t size, const wchar_t *format,
+    unsigned width, int precision, double value);
+
+template FMT_API int internal::char_traits<wchar_t>::format_float(
+    wchar_t *buffer, std::size_t size, const wchar_t *format,
+    unsigned width, int precision, long double value);
+}  // namespace fmt

include/spdlog/fmt/bundled/locale.h

+// Formatting library for C++ - locale support
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#include "format.h"
+#include <locale>
+
+namespace fmt {
+class locale
+{
+private:
+    std::locale locale_;
+
+public:
+    explicit locale(std::locale loc = std::locale())
+        : locale_(loc)
+    {
+    }
+    std::locale get()
+    {
+        return locale_;
+    }
+};
+} // namespace fmt

include/spdlog/fmt/bundled/ostream.h

+// Formatting library for C++ - std::ostream support
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_OSTREAM_H_
+#define FMT_OSTREAM_H_
+
+#include "format.h"
+#include <ostream>
+
+FMT_BEGIN_NAMESPACE
+namespace internal {
+
+template<class Char>
+class formatbuf : public std::basic_streambuf<Char>
+{
+private:
+    typedef typename std::basic_streambuf<Char>::int_type int_type;
+    typedef typename std::basic_streambuf<Char>::traits_type traits_type;
+
+    basic_buffer<Char> &buffer_;
+
+public:
+    formatbuf(basic_buffer<Char> &buffer)
+        : buffer_(buffer)
+    {
+    }
+
+protected:
+    // The put-area is actually always empty. This makes the implementation
+    // simpler and has the advantage that the streambuf and the buffer are always
+    // in sync and sputc never writes into uninitialized memory. The obvious
+    // disadvantage is that each call to sputc always results in a (virtual) call
+    // to overflow. There is no disadvantage here for sputn since this always
+    // results in a call to xsputn.
+
+    int_type overflow(int_type ch = traits_type::eof()) FMT_OVERRIDE
+    {
+        if (!traits_type::eq_int_type(ch, traits_type::eof()))
+            buffer_.push_back(static_cast<Char>(ch));
+        return ch;
+    }
+
+    std::streamsize xsputn(const Char *s, std::streamsize count) FMT_OVERRIDE
+    {
+        buffer_.append(s, s + count);
+        return count;
+    }
+};
+
+template<typename Char>
+struct test_stream : std::basic_ostream<Char>
+{
+private:
+    struct null;
+    // Hide all operator<< from std::basic_ostream<Char>.
+    void operator<<(null);
+};
+
+// Checks if T has a user-defined operator<< (e.g. not a member of std::ostream).
+template<typename T, typename Char>
+class is_streamable
+{
+private:
+    template<typename U>
+    static decltype(internal::declval<test_stream<Char> &>() << internal::declval<U>(), std::true_type()) test(int);
+
+    template<typename>
+    static std::false_type test(...);
+
+    typedef decltype(test<T>(0)) result;
+
+public:
+    // std::string operator<< is not considered user-defined because we handle strings
+    // specially.
+    static const bool value = result::value && !std::is_same<T, std::string>::value;
+};
+
+// Disable conversion to int if T has an overloaded operator<< which is a free
+// function (not a member of std::ostream).
+template<typename T, typename Char>
+class convert_to_int<T, Char, true>
+{
+public:
+    static const bool value = convert_to_int<T, Char, false>::value && !is_streamable<T, Char>::value;
+};
+
+// Write the content of buf to os.
+template<typename Char>
+void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf)
+{
+    const Char *data = buf.data();
+    typedef std::make_unsigned<std::streamsize>::type UnsignedStreamSize;
+    UnsignedStreamSize size = buf.size();
+    UnsignedStreamSize max_size = internal::to_unsigned((std::numeric_limits<std::streamsize>::max)());
+    do
+    {
+        UnsignedStreamSize n = size <= max_size ? size : max_size;
+        os.write(data, static_cast<std::streamsize>(n));
+        data += n;
+        size -= n;
+    } while (size != 0);
+}
+
+template<typename Char, typename T>
+void format_value(basic_buffer<Char> &buffer, const T &value)
+{
+    internal::formatbuf<Char> format_buf(buffer);
+    std::basic_ostream<Char> output(&format_buf);
+    output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
+    output << value;
+    buffer.resize(buffer.size());
+}
+
+// Disable builtin formatting of enums and use operator<< instead.
+template<typename T>
+struct format_enum<T, typename std::enable_if<std::is_enum<T>::value>::type> : std::false_type
+{
+};
+} // namespace internal
+
+// Formats an object of type T that has an overloaded ostream operator<<.
+template<typename T, typename Char>
+struct formatter<T, Char, typename std::enable_if<internal::is_streamable<T, Char>::value>::type> : formatter<basic_string_view<Char>, Char>
+{
+
+    template<typename Context>
+    auto format(const T &value, Context &ctx) -> decltype(ctx.out())
+    {
+        basic_memory_buffer<Char> buffer;
+        internal::format_value(buffer, value);
+        basic_string_view<Char> str(buffer.data(), buffer.size());
+        formatter<basic_string_view<Char>, Char>::format(str, ctx);
+        return ctx.out();
+    }
+};
+
+template<typename Char>
+inline void vprint(
+    std::basic_ostream<Char> &os, basic_string_view<Char> format_str, basic_format_args<typename buffer_context<Char>::type> args)
+{
+    basic_memory_buffer<Char> buffer;
+    vformat_to(buffer, format_str, args);
+    internal::write(os, buffer);
+}
+/**
+  \rst
+  Prints formatted data to the stream *os*.
+
+  **Example**::
+
+    fmt::print(cerr, "Don't {}!", "panic");
+  \endrst
+ */
+template<typename... Args>
+inline void print(std::ostream &os, string_view format_str, const Args &... args)
+{
+    vprint<char>(os, format_str, make_format_args<format_context>(args...));
+}
+
+template<typename... Args>
+inline void print(std::wostream &os, wstring_view format_str, const Args &... args)
+{
+    vprint<wchar_t>(os, format_str, make_format_args<wformat_context>(args...));
+}
+FMT_END_NAMESPACE
+
+#endif // FMT_OSTREAM_H_

include/spdlog/fmt/bundled/ranges.h

+// Formatting library for C++ - the core API
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+//
+// Copyright (c) 2018 - present, Remotion (Igor Schulz)
+// All Rights Reserved
+// {fmt} support for ranges, containers and types tuple interface.
+
+#ifndef FMT_RANGES_H_
+#define FMT_RANGES_H_
+
+#include "format.h"
+#include <type_traits>
+
+// output only up to N items from the range.
+#ifndef FMT_RANGE_OUTPUT_LENGTH_LIMIT
+#define FMT_RANGE_OUTPUT_LENGTH_LIMIT 256
+#endif
+
+FMT_BEGIN_NAMESPACE
+
+template<typename Char>
+struct formatting_base
+{
+    template<typename ParseContext>
+    FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin())
+    {
+        return ctx.begin();
+    }
+};
+
+template<typename Char, typename Enable = void>
+struct formatting_range : formatting_base<Char>
+{
+    static FMT_CONSTEXPR_DECL const std::size_t range_length_limit =
+        FMT_RANGE_OUTPUT_LENGTH_LIMIT; // output only up to N items from the range.
+    Char prefix;
+    Char delimiter;
+    Char postfix;
+    formatting_range()
+        : prefix('{')
+        , delimiter(',')
+        , postfix('}')
+    {
+    }
+    static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
+    static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
+};
+
+template<typename Char, typename Enable = void>
+struct formatting_tuple : formatting_base<Char>
+{
+    Char prefix;
+    Char delimiter;
+    Char postfix;
+    formatting_tuple()
+        : prefix('(')
+        , delimiter(',')
+        , postfix(')')
+    {
+    }
+    static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
+    static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
+};
+
+namespace internal {
+
+template<typename RangeT, typename OutputIterator>
+void copy(const RangeT &range, OutputIterator out)
+{
+    for (auto it = range.begin(), end = range.end(); it != end; ++it)
+        *out++ = *it;
+}
+
+template<typename OutputIterator>
+void copy(const char *str, OutputIterator out)
+{
+    const char *p_curr = str;
+    while (*p_curr)
+    {
+        *out++ = *p_curr++;
+    }
+}
+
+template<typename OutputIterator>
+void copy(char ch, OutputIterator out)
+{
+    *out++ = ch;
+}
+
+/// Return true value if T has std::string interface, like std::string_view.
+template<typename T>
+class is_like_std_string
+{
+    template<typename U>
+    static auto check(U *p) -> decltype(p->find('a'), p->length(), p->data(), int());
+    template<typename>
+    static void check(...);
+
+public:
+    static FMT_CONSTEXPR_DECL const bool value = !std::is_void<decltype(check<T>(FMT_NULL))>::value;
+};
+
+template<typename... Ts>
+struct conditional_helper
+{
+};
+
+template<typename T, typename _ = void>
+struct is_range_ : std::false_type
+{
+};
+
+template<typename T>
+struct is_range_<T, typename std::conditional<false,
+                        conditional_helper<decltype(internal::declval<T>().begin()), decltype(internal::declval<T>().end())>, void>::type>
+    : std::true_type
+{
+};
+
+/// tuple_size and tuple_element check.
+template<typename T>
+class is_tuple_like_
+{
+    template<typename U>
+    static auto check(U *p) -> decltype(std::tuple_size<U>::value, internal::declval<typename std::tuple_element<0, U>::type>(), int());
+    template<typename>
+    static void check(...);
+
+public:
+    static FMT_CONSTEXPR_DECL const bool value = !std::is_void<decltype(check<T>(FMT_NULL))>::value;
+};
+
+// Check for integer_sequence
+#if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900
+template<typename T, T... N>
+using integer_sequence = std::integer_sequence<T, N...>;
+template<std::size_t... N>
+using index_sequence = std::index_sequence<N...>;
+template<std::size_t N>
+using make_index_sequence = std::make_index_sequence<N>;
+#else
+template<typename T, T... N>
+struct integer_sequence
+{
+    typedef T value_type;
+
+    static FMT_CONSTEXPR std::size_t size()
+    {
+        return sizeof...(N);
+    }
+};
+
+template<std::size_t... N>
+using index_sequence = integer_sequence<std::size_t, N...>;
+
+template<typename T, std::size_t N, T... Ns>
+struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, Ns...>
+{
+};
+template<typename T, T... Ns>
+struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...>
+{
+};
+
+template<std::size_t N>
+using make_index_sequence = make_integer_sequence<std::size_t, N>;
+#endif
+
+template<class Tuple, class F, size_t... Is>
+void for_each(index_sequence<Is...>, Tuple &&tup, F &&f) noexcept
+{
+    using std::get;
+    // using free function get<I>(T) now.
+    const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
+    (void)_; // blocks warnings
+}
+
+template<class T>
+FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(T const &)
+{
+    return {};
+}
+
+template<class Tuple, class F>
+void for_each(Tuple &&tup, F &&f)
+{
+    const auto indexes = get_indexes(tup);
+    for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
+}
+
+template<typename Arg>
+FMT_CONSTEXPR const char *format_str_quoted(
+    bool add_space, const Arg &, typename std::enable_if<!is_like_std_string<typename std::decay<Arg>::type>::value>::type * = nullptr)
+{
+    return add_space ? " {}" : "{}";
+}
+
+template<typename Arg>
+FMT_CONSTEXPR const char *format_str_quoted(
+    bool add_space, const Arg &, typename std::enable_if<is_like_std_string<typename std::decay<Arg>::type>::value>::type * = nullptr)
+{
+    return add_space ? " \"{}\"" : "\"{}\"";
+}
+
+FMT_CONSTEXPR const char *format_str_quoted(bool add_space, const char *)
+{
+    return add_space ? " \"{}\"" : "\"{}\"";
+}
+FMT_CONSTEXPR const wchar_t *format_str_quoted(bool add_space, const wchar_t *)
+{
+    return add_space ? L" \"{}\"" : L"\"{}\"";
+}
+
+FMT_CONSTEXPR const char *format_str_quoted(bool add_space, const char)
+{
+    return add_space ? " '{}'" : "'{}'";
+}
+FMT_CONSTEXPR const wchar_t *format_str_quoted(bool add_space, const wchar_t)
+{
+    return add_space ? L" '{}'" : L"'{}'";
+}
+
+} // namespace internal
+
+template<typename T>
+struct is_tuple_like
+{
+    static FMT_CONSTEXPR_DECL const bool value = internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value;
+};
+
+template<typename TupleT, typename Char>
+struct formatter<TupleT, Char, typename std::enable_if<fmt::is_tuple_like<TupleT>::value>::type>
+{
+private:
+    // C++11 generic lambda for format()
+    template<typename FormatContext>
+    struct format_each
+    {
+        template<typename T>
+        void operator()(const T &v)
+        {
+            if (i > 0)
+            {
+                if (formatting.add_prepostfix_space)
+                {
+                    *out++ = ' ';
+                }
+                internal::copy(formatting.delimiter, out);
+            }
+            format_to(out, internal::format_str_quoted((formatting.add_delimiter_spaces && i > 0), v), v);
+            ++i;
+        }
+
+        formatting_tuple<Char> &formatting;
+        std::size_t &i;
+        typename std::add_lvalue_reference<decltype(std::declval<FormatContext>().out())>::type out;
+    };
+
+public:
+    formatting_tuple<Char> formatting;
+
+    template<typename ParseContext>
+    FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin())
+    {
+        return formatting.parse(ctx);
+    }
+
+    template<typename FormatContext = format_context>
+    auto format(const TupleT &values, FormatContext &ctx) -> decltype(ctx.out())
+    {
+        auto out = ctx.out();
+        std::size_t i = 0;
+        internal::copy(formatting.prefix, out);
+
+        internal::for_each(values, format_each<FormatContext>{formatting, i, out});
+        if (formatting.add_prepostfix_space)
+        {
+            *out++ = ' ';
+        }
+        internal::copy(formatting.postfix, out);
+
+        return ctx.out();
+    }
+};
+
+template<typename T>
+struct is_range
+{
+    static FMT_CONSTEXPR_DECL const bool value = internal::is_range_<T>::value && !internal::is_like_std_string<T>::value;
+};
+
+template<typename RangeT, typename Char>
+struct formatter<RangeT, Char, typename std::enable_if<fmt::is_range<RangeT>::value>::type>
+{
+
+    formatting_range<Char> formatting;
+
+    template<typename ParseContext>
+    FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin())
+    {
+        return formatting.parse(ctx);
+    }
+
+    template<typename FormatContext>
+    typename FormatContext::iterator format(const RangeT &values, FormatContext &ctx)
+    {
+        auto out = ctx.out();
+        internal::copy(formatting.prefix, out);
+        std::size_t i = 0;
+        for (auto it = values.begin(), end = values.end(); it != end; ++it)
+        {
+            if (i > 0)
+            {
+                if (formatting.add_prepostfix_space)
+                {
+                    *out++ = ' ';
+                }
+                internal::copy(formatting.delimiter, out);
+            }
+            format_to(out, internal::format_str_quoted((formatting.add_delimiter_spaces && i > 0), *it), *it);
+            if (++i > formatting.range_length_limit)
+            {
+                format_to(out, " ... <other elements>");
+                break;
+            }
+        }
+        if (formatting.add_prepostfix_space)
+        {
+            *out++ = ' ';
+        }
+        internal::copy(formatting.postfix, out);
+        return ctx.out();
+    }
+};
+
+FMT_END_NAMESPACE
+
+#endif // FMT_RANGES_H_

include/spdlog/fmt/bundled/time.h

+// Formatting library for C++ - time formatting
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_TIME_H_
+#define FMT_TIME_H_
+
+#include "format.h"
+#include <ctime>
+
+FMT_BEGIN_NAMESPACE
+
+namespace internal {
+inline null<> localtime_r(...)
+{
+    return null<>();
+}
+inline null<> localtime_s(...)
+{
+    return null<>();
+}
+inline null<> gmtime_r(...)
+{
+    return null<>();
+}
+inline null<> gmtime_s(...)
+{
+    return null<>();
+}
+} // namespace internal
+
+// Thread-safe replacement for std::localtime
+inline std::tm localtime(std::time_t time)
+{
+    struct dispatcher
+    {
+        std::time_t time_;
+        std::tm tm_;
+
+        dispatcher(std::time_t t)
+            : time_(t)
+        {
+        }
+
+        bool run()
+        {
+            using namespace fmt::internal;
+            return handle(localtime_r(&time_, &tm_));
+        }
+
+        bool handle(std::tm *tm)
+        {
+            return tm != FMT_NULL;
+        }
+
+        bool handle(internal::null<>)
+        {
+            using namespace fmt::internal;
+            return fallback(localtime_s(&tm_, &time_));
+        }
+
+        bool fallback(int res)
+        {
+            return res == 0;
+        }
+
+        bool fallback(internal::null<>)
+        {
+            using namespace fmt::internal;
+            std::tm *tm = std::localtime(&time_);
+            if (tm)
+                tm_ = *tm;
+            return tm != FMT_NULL;
+        }
+    };
+    dispatcher lt(time);
+    if (lt.run())
+        return lt.tm_;
+    // Too big time values may be unsupported.
+    FMT_THROW(format_error("time_t value out of range"));
+}
+
+// Thread-safe replacement for std::gmtime
+inline std::tm gmtime(std::time_t time)
+{
+    struct dispatcher
+    {
+        std::time_t time_;
+        std::tm tm_;
+
+        dispatcher(std::time_t t)
+            : time_(t)
+        {
+        }
+
+        bool run()
+        {
+            using namespace fmt::internal;
+            return handle(gmtime_r(&time_, &tm_));
+        }
+
+        bool handle(std::tm *tm)
+        {
+            return tm != FMT_NULL;
+        }
+
+        bool handle(internal::null<>)
+        {
+            using namespace fmt::internal;
+            return fallback(gmtime_s(&tm_, &time_));
+        }
+
+        bool fallback(int res)
+        {
+            return res == 0;
+        }
+
+        bool fallback(internal::null<>)
+        {
+            std::tm *tm = std::gmtime(&time_);
+            if (tm)
+                tm_ = *tm;
+            return tm != FMT_NULL;
+        }
+    };
+    dispatcher gt(time);
+    if (gt.run())
+        return gt.tm_;
+    // Too big time values may be unsupported.
+    FMT_THROW(format_error("time_t value out of range"));
+}
+
+namespace internal {
+inline std::size_t strftime(char *str, std::size_t count, const char *format, const std::tm *time)
+{
+    return std::strftime(str, count, format, time);
+}
+
+inline std::size_t strftime(wchar_t *str, std::size_t count, const wchar_t *format, const std::tm *time)
+{
+    return std::wcsftime(str, count, format, time);
+}
+} // namespace internal
+
+template<typename Char>
+struct formatter<std::tm, Char>
+{
+    template<typename ParseContext>
+    auto parse(ParseContext &ctx) -> decltype(ctx.begin())
+    {
+        auto it = internal::null_terminating_iterator<Char>(ctx);
+        if (*it == ':')
+            ++it;
+        auto end = it;
+        while (*end && *end != '}')
+            ++end;
+        tm_format.reserve(end - it + 1);
+        using internal::pointer_from;
+        tm_format.append(pointer_from(it), pointer_from(end));
+        tm_format.push_back('\0');
+        return pointer_from(end);
+    }
+
+    template<typename FormatContext>
+    auto format(const std::tm &tm, FormatContext &ctx) -> decltype(ctx.out())
+    {
+        internal::basic_buffer<Char> &buf = internal::get_container(ctx.out());
+        std::size_t start = buf.size();
+        for (;;)
+        {
+            std::size_t size = buf.capacity() - start;
+            std::size_t count = internal::strftime(&buf[start], size, &tm_format[0], &tm);
+            if (count != 0)
+            {
+                buf.resize(start + count);
+                break;
+            }
+            if (size >= tm_format.size() * 256)
+            {
+                // If the buffer is 256 times larger than the format string, assume
+                // that `strftime` gives an empty result. There doesn't seem to be a
+                // better way to distinguish the two cases:
+                // https://github.com/fmtlib/fmt/issues/367
+                break;
+            }
+            const std::size_t MIN_GROWTH = 10;
+            buf.reserve(buf.capacity() + (size > MIN_GROWTH ? size : MIN_GROWTH));
+        }
+        return ctx.out();
+    }
+
+    basic_memory_buffer<Char> tm_format;
+};
+FMT_END_NAMESPACE
+
+#endif // FMT_TIME_H_