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Diffstat (limited to 'NorthstarDLL/include/spdlog/fmt/bundled/printf.h')
-rw-r--r-- | NorthstarDLL/include/spdlog/fmt/bundled/printf.h | 751 |
1 files changed, 0 insertions, 751 deletions
diff --git a/NorthstarDLL/include/spdlog/fmt/bundled/printf.h b/NorthstarDLL/include/spdlog/fmt/bundled/printf.h deleted file mode 100644 index 8c28ac23..00000000 --- a/NorthstarDLL/include/spdlog/fmt/bundled/printf.h +++ /dev/null @@ -1,751 +0,0 @@ -// Formatting library for C++ - legacy printf implementation -// -// Copyright (c) 2012 - 2016, Victor Zverovich -// All rights reserved. -// -// For the license information refer to format.h. - -#ifndef FMT_PRINTF_H_ -#define FMT_PRINTF_H_ - -#include <algorithm> // std::max -#include <limits> // std::numeric_limits - -#include "ostream.h" - -FMT_BEGIN_NAMESPACE -namespace detail { - -// Checks if a value fits in int - used to avoid warnings about comparing -// signed and unsigned integers. -template <bool IsSigned> struct int_checker { - template <typename T> static bool fits_in_int(T value) { - unsigned max = max_value<int>(); - return value <= max; - } - static bool fits_in_int(bool) { return true; } -}; - -template <> struct int_checker<true> { - template <typename T> static bool fits_in_int(T value) { - return value >= (std::numeric_limits<int>::min)() && - value <= max_value<int>(); - } - static bool fits_in_int(int) { return true; } -}; - -class printf_precision_handler { - public: - template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)> - int operator()(T value) { - if (!int_checker<std::numeric_limits<T>::is_signed>::fits_in_int(value)) - FMT_THROW(format_error("number is too big")); - return (std::max)(static_cast<int>(value), 0); - } - - template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)> - int operator()(T) { - FMT_THROW(format_error("precision is not integer")); - return 0; - } -}; - -// An argument visitor that returns true iff arg is a zero integer. -class is_zero_int { - public: - template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)> - bool operator()(T value) { - return value == 0; - } - - template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)> - bool operator()(T) { - return false; - } -}; - -template <typename T> struct make_unsigned_or_bool : std::make_unsigned<T> {}; - -template <> struct make_unsigned_or_bool<bool> { using type = bool; }; - -template <typename T, typename Context> class arg_converter { - private: - using char_type = typename Context::char_type; - - basic_format_arg<Context>& arg_; - char_type type_; - - public: - arg_converter(basic_format_arg<Context>& arg, char_type type) - : arg_(arg), type_(type) {} - - void operator()(bool value) { - if (type_ != 's') operator()<bool>(value); - } - - template <typename U, FMT_ENABLE_IF(std::is_integral<U>::value)> - void operator()(U value) { - bool is_signed = type_ == 'd' || type_ == 'i'; - using target_type = conditional_t<std::is_same<T, void>::value, U, T>; - if (const_check(sizeof(target_type) <= sizeof(int))) { - // Extra casts are used to silence warnings. - if (is_signed) { - arg_ = detail::make_arg<Context>( - static_cast<int>(static_cast<target_type>(value))); - } else { - using unsigned_type = typename make_unsigned_or_bool<target_type>::type; - arg_ = detail::make_arg<Context>( - static_cast<unsigned>(static_cast<unsigned_type>(value))); - } - } else { - if (is_signed) { - // glibc's printf doesn't sign extend arguments of smaller types: - // std::printf("%lld", -42); // prints "4294967254" - // but we don't have to do the same because it's a UB. - arg_ = detail::make_arg<Context>(static_cast<long long>(value)); - } else { - arg_ = detail::make_arg<Context>( - static_cast<typename make_unsigned_or_bool<U>::type>(value)); - } - } - } - - template <typename U, FMT_ENABLE_IF(!std::is_integral<U>::value)> - void operator()(U) {} // No conversion needed for non-integral types. -}; - -// Converts an integer argument to T for printf, if T is an integral type. -// If T is void, the argument is converted to corresponding signed or unsigned -// type depending on the type specifier: 'd' and 'i' - signed, other - -// unsigned). -template <typename T, typename Context, typename Char> -void convert_arg(basic_format_arg<Context>& arg, Char type) { - visit_format_arg(arg_converter<T, Context>(arg, type), arg); -} - -// Converts an integer argument to char for printf. -template <typename Context> class char_converter { - private: - basic_format_arg<Context>& arg_; - - public: - explicit char_converter(basic_format_arg<Context>& arg) : arg_(arg) {} - - template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)> - void operator()(T value) { - arg_ = detail::make_arg<Context>( - static_cast<typename Context::char_type>(value)); - } - - template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)> - void operator()(T) {} // No conversion needed for non-integral types. -}; - -// An argument visitor that return a pointer to a C string if argument is a -// string or null otherwise. -template <typename Char> struct get_cstring { - template <typename T> const Char* operator()(T) { return nullptr; } - const Char* operator()(const Char* s) { return s; } -}; - -// Checks if an argument is a valid printf width specifier and sets -// left alignment if it is negative. -template <typename Char> class printf_width_handler { - private: - using format_specs = basic_format_specs<Char>; - - format_specs& specs_; - - public: - explicit printf_width_handler(format_specs& specs) : specs_(specs) {} - - template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)> - unsigned operator()(T value) { - auto width = static_cast<uint32_or_64_or_128_t<T>>(value); - if (detail::is_negative(value)) { - specs_.align = align::left; - width = 0 - width; - } - unsigned int_max = max_value<int>(); - if (width > int_max) FMT_THROW(format_error("number is too big")); - return static_cast<unsigned>(width); - } - - template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)> - unsigned operator()(T) { - FMT_THROW(format_error("width is not integer")); - return 0; - } -}; - -template <typename Char, typename Context> -void vprintf(buffer<Char>& buf, basic_string_view<Char> format, - basic_format_args<Context> args) { - Context(buffer_appender<Char>(buf), format, args).format(); -} -} // namespace detail - -// For printing into memory_buffer. -template <typename Char, typename Context> -FMT_DEPRECATED void printf(detail::buffer<Char>& buf, - basic_string_view<Char> format, - basic_format_args<Context> args) { - return detail::vprintf(buf, format, args); -} -using detail::vprintf; - -template <typename Char> -class basic_printf_parse_context : public basic_format_parse_context<Char> { - using basic_format_parse_context<Char>::basic_format_parse_context; -}; -template <typename OutputIt, typename Char> class basic_printf_context; - -/** - \rst - The ``printf`` argument formatter. - \endrst - */ -template <typename OutputIt, typename Char> -class printf_arg_formatter : public detail::arg_formatter_base<OutputIt, Char> { - public: - using iterator = OutputIt; - - private: - using char_type = Char; - using base = detail::arg_formatter_base<OutputIt, Char>; - using context_type = basic_printf_context<OutputIt, Char>; - - context_type& context_; - - void write_null_pointer(char) { - this->specs()->type = 0; - this->write("(nil)"); - } - - void write_null_pointer(wchar_t) { - this->specs()->type = 0; - this->write(L"(nil)"); - } - - public: - using format_specs = typename base::format_specs; - - /** - \rst - Constructs an argument formatter object. - *buffer* is a reference to the output buffer and *specs* contains format - specifier information for standard argument types. - \endrst - */ - printf_arg_formatter(iterator iter, format_specs& specs, context_type& ctx) - : base(iter, &specs, detail::locale_ref()), context_(ctx) {} - - template <typename T, FMT_ENABLE_IF(fmt::detail::is_integral<T>::value)> - iterator operator()(T value) { - // MSVC2013 fails to compile separate overloads for bool and char_type so - // use std::is_same instead. - if (std::is_same<T, bool>::value) { - format_specs& fmt_specs = *this->specs(); - if (fmt_specs.type != 's') return base::operator()(value ? 1 : 0); - fmt_specs.type = 0; - this->write(value != 0); - } else if (std::is_same<T, char_type>::value) { - format_specs& fmt_specs = *this->specs(); - if (fmt_specs.type && fmt_specs.type != 'c') - return (*this)(static_cast<int>(value)); - fmt_specs.sign = sign::none; - fmt_specs.alt = false; - fmt_specs.fill[0] = ' '; // Ignore '0' flag for char types. - // align::numeric needs to be overwritten here since the '0' flag is - // ignored for non-numeric types - if (fmt_specs.align == align::none || fmt_specs.align == align::numeric) - fmt_specs.align = align::right; - return base::operator()(value); - } else { - return base::operator()(value); - } - return this->out(); - } - - template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value)> - iterator operator()(T value) { - return base::operator()(value); - } - - /** Formats a null-terminated C string. */ - iterator operator()(const char* value) { - if (value) - base::operator()(value); - else if (this->specs()->type == 'p') - write_null_pointer(char_type()); - else - this->write("(null)"); - return this->out(); - } - - /** Formats a null-terminated wide C string. */ - iterator operator()(const wchar_t* value) { - if (value) - base::operator()(value); - else if (this->specs()->type == 'p') - write_null_pointer(char_type()); - else - this->write(L"(null)"); - return this->out(); - } - - iterator operator()(basic_string_view<char_type> value) { - return base::operator()(value); - } - - iterator operator()(monostate value) { return base::operator()(value); } - - /** Formats a pointer. */ - iterator operator()(const void* value) { - if (value) return base::operator()(value); - this->specs()->type = 0; - write_null_pointer(char_type()); - return this->out(); - } - - /** Formats an argument of a custom (user-defined) type. */ - iterator operator()(typename basic_format_arg<context_type>::handle handle) { - handle.format(context_.parse_context(), context_); - return this->out(); - } -}; - -template <typename T> struct printf_formatter { - printf_formatter() = delete; - - template <typename ParseContext> - auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { - return ctx.begin(); - } - - template <typename FormatContext> - auto format(const T& value, FormatContext& ctx) -> decltype(ctx.out()) { - detail::format_value(detail::get_container(ctx.out()), value); - return ctx.out(); - } -}; - -/** - This template formats data and writes the output through an output iterator. - */ -template <typename OutputIt, typename Char> class basic_printf_context { - public: - /** The character type for the output. */ - using char_type = Char; - using iterator = OutputIt; - using format_arg = basic_format_arg<basic_printf_context>; - using parse_context_type = basic_printf_parse_context<Char>; - template <typename T> using formatter_type = printf_formatter<T>; - - private: - using format_specs = basic_format_specs<char_type>; - - OutputIt out_; - basic_format_args<basic_printf_context> args_; - parse_context_type parse_ctx_; - - static void parse_flags(format_specs& specs, const Char*& it, - const Char* end); - - // Returns the argument with specified index or, if arg_index is -1, the next - // argument. - format_arg get_arg(int arg_index = -1); - - // Parses argument index, flags and width and returns the argument index. - int parse_header(const Char*& it, const Char* end, format_specs& specs); - - public: - /** - \rst - Constructs a ``printf_context`` object. References to the arguments are - stored in the context object so make sure they have appropriate lifetimes. - \endrst - */ - basic_printf_context(OutputIt out, basic_string_view<char_type> format_str, - basic_format_args<basic_printf_context> args) - : out_(out), args_(args), parse_ctx_(format_str) {} - - OutputIt out() { return out_; } - void advance_to(OutputIt it) { out_ = it; } - - detail::locale_ref locale() { return {}; } - - format_arg arg(int id) const { return args_.get(id); } - - parse_context_type& parse_context() { return parse_ctx_; } - - FMT_CONSTEXPR void on_error(const char* message) { - parse_ctx_.on_error(message); - } - - /** Formats stored arguments and writes the output to the range. */ - template <typename ArgFormatter = printf_arg_formatter<OutputIt, Char>> - OutputIt format(); -}; - -template <typename OutputIt, typename Char> -void basic_printf_context<OutputIt, Char>::parse_flags(format_specs& specs, - const Char*& it, - const Char* end) { - for (; it != end; ++it) { - switch (*it) { - case '-': - specs.align = align::left; - break; - case '+': - specs.sign = sign::plus; - break; - case '0': - specs.fill[0] = '0'; - break; - case ' ': - if (specs.sign != sign::plus) { - specs.sign = sign::space; - } - break; - case '#': - specs.alt = true; - break; - default: - return; - } - } -} - -template <typename OutputIt, typename Char> -typename basic_printf_context<OutputIt, Char>::format_arg -basic_printf_context<OutputIt, Char>::get_arg(int arg_index) { - if (arg_index < 0) - arg_index = parse_ctx_.next_arg_id(); - else - parse_ctx_.check_arg_id(--arg_index); - return detail::get_arg(*this, arg_index); -} - -template <typename OutputIt, typename Char> -int basic_printf_context<OutputIt, Char>::parse_header(const Char*& it, - const Char* end, - format_specs& specs) { - int arg_index = -1; - char_type c = *it; - if (c >= '0' && c <= '9') { - // Parse an argument index (if followed by '$') or a width possibly - // preceded with '0' flag(s). - detail::error_handler eh; - int value = parse_nonnegative_int(it, end, eh); - if (it != end && *it == '$') { // value is an argument index - ++it; - arg_index = value; - } else { - if (c == '0') specs.fill[0] = '0'; - if (value != 0) { - // Nonzero value means that we parsed width and don't need to - // parse it or flags again, so return now. - specs.width = value; - return arg_index; - } - } - } - parse_flags(specs, it, end); - // Parse width. - if (it != end) { - if (*it >= '0' && *it <= '9') { - detail::error_handler eh; - specs.width = parse_nonnegative_int(it, end, eh); - } else if (*it == '*') { - ++it; - specs.width = static_cast<int>(visit_format_arg( - detail::printf_width_handler<char_type>(specs), get_arg())); - } - } - return arg_index; -} - -template <typename OutputIt, typename Char> -template <typename ArgFormatter> -OutputIt basic_printf_context<OutputIt, Char>::format() { - auto out = this->out(); - const Char* start = parse_ctx_.begin(); - const Char* end = parse_ctx_.end(); - auto it = start; - while (it != end) { - char_type c = *it++; - if (c != '%') continue; - if (it != end && *it == c) { - out = std::copy(start, it, out); - start = ++it; - continue; - } - out = std::copy(start, it - 1, out); - - format_specs specs; - specs.align = align::right; - - // Parse argument index, flags and width. - int arg_index = parse_header(it, end, specs); - if (arg_index == 0) on_error("argument not found"); - - // Parse precision. - if (it != end && *it == '.') { - ++it; - c = it != end ? *it : 0; - if ('0' <= c && c <= '9') { - detail::error_handler eh; - specs.precision = parse_nonnegative_int(it, end, eh); - } else if (c == '*') { - ++it; - specs.precision = static_cast<int>( - visit_format_arg(detail::printf_precision_handler(), get_arg())); - } else { - specs.precision = 0; - } - } - - format_arg arg = get_arg(arg_index); - // For d, i, o, u, x, and X conversion specifiers, if a precision is - // specified, the '0' flag is ignored - if (specs.precision >= 0 && arg.is_integral()) - specs.fill[0] = - ' '; // Ignore '0' flag for non-numeric types or if '-' present. - if (specs.precision >= 0 && arg.type() == detail::type::cstring_type) { - auto str = visit_format_arg(detail::get_cstring<Char>(), arg); - auto str_end = str + specs.precision; - auto nul = std::find(str, str_end, Char()); - arg = detail::make_arg<basic_printf_context>(basic_string_view<Char>( - str, - detail::to_unsigned(nul != str_end ? nul - str : specs.precision))); - } - if (specs.alt && visit_format_arg(detail::is_zero_int(), arg)) - specs.alt = false; - if (specs.fill[0] == '0') { - if (arg.is_arithmetic() && specs.align != align::left) - specs.align = align::numeric; - else - specs.fill[0] = ' '; // Ignore '0' flag for non-numeric types or if '-' - // flag is also present. - } - - // Parse length and convert the argument to the required type. - c = it != end ? *it++ : 0; - char_type t = it != end ? *it : 0; - using detail::convert_arg; - switch (c) { - case 'h': - if (t == 'h') { - ++it; - t = it != end ? *it : 0; - convert_arg<signed char>(arg, t); - } else { - convert_arg<short>(arg, t); - } - break; - case 'l': - if (t == 'l') { - ++it; - t = it != end ? *it : 0; - convert_arg<long long>(arg, t); - } else { - convert_arg<long>(arg, t); - } - break; - case 'j': - convert_arg<intmax_t>(arg, t); - break; - case 'z': - convert_arg<size_t>(arg, t); - break; - case 't': - convert_arg<std::ptrdiff_t>(arg, t); - break; - case 'L': - // printf produces garbage when 'L' is omitted for long double, no - // need to do the same. - break; - default: - --it; - convert_arg<void>(arg, c); - } - - // Parse type. - if (it == end) FMT_THROW(format_error("invalid format string")); - specs.type = static_cast<char>(*it++); - if (arg.is_integral()) { - // Normalize type. - switch (specs.type) { - case 'i': - case 'u': - specs.type = 'd'; - break; - case 'c': - visit_format_arg(detail::char_converter<basic_printf_context>(arg), - arg); - break; - } - } - - start = it; - - // Format argument. - out = visit_format_arg(ArgFormatter(out, specs, *this), arg); - } - return std::copy(start, it, out); -} - -template <typename Char> -using basic_printf_context_t = - basic_printf_context<detail::buffer_appender<Char>, Char>; - -using printf_context = basic_printf_context_t<char>; -using wprintf_context = basic_printf_context_t<wchar_t>; - -using printf_args = basic_format_args<printf_context>; -using wprintf_args = basic_format_args<wprintf_context>; - -/** - \rst - Constructs an `~fmt::format_arg_store` object that contains references to - arguments and can be implicitly converted to `~fmt::printf_args`. - \endrst - */ -template <typename... Args> -inline format_arg_store<printf_context, Args...> make_printf_args( - const Args&... args) { - return {args...}; -} - -/** - \rst - Constructs an `~fmt::format_arg_store` object that contains references to - arguments and can be implicitly converted to `~fmt::wprintf_args`. - \endrst - */ -template <typename... Args> -inline format_arg_store<wprintf_context, Args...> make_wprintf_args( - const Args&... args) { - return {args...}; -} - -template <typename S, typename Char = char_t<S>> -inline std::basic_string<Char> vsprintf( - const S& format, - basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args) { - basic_memory_buffer<Char> buffer; - vprintf(buffer, to_string_view(format), args); - return to_string(buffer); -} - -/** - \rst - Formats arguments and returns the result as a string. - - **Example**:: - - std::string message = fmt::sprintf("The answer is %d", 42); - \endrst -*/ -template <typename S, typename... Args, - typename Char = enable_if_t<detail::is_string<S>::value, char_t<S>>> -inline std::basic_string<Char> sprintf(const S& format, const Args&... args) { - using context = basic_printf_context_t<Char>; - return vsprintf(to_string_view(format), make_format_args<context>(args...)); -} - -template <typename S, typename Char = char_t<S>> -inline int vfprintf( - std::FILE* f, const S& format, - basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args) { - basic_memory_buffer<Char> buffer; - vprintf(buffer, to_string_view(format), args); - size_t size = buffer.size(); - return std::fwrite(buffer.data(), sizeof(Char), size, f) < size - ? -1 - : static_cast<int>(size); -} - -/** - \rst - Prints formatted data to the file *f*. - - **Example**:: - - fmt::fprintf(stderr, "Don't %s!", "panic"); - \endrst - */ -template <typename S, typename... Args, - typename Char = enable_if_t<detail::is_string<S>::value, char_t<S>>> -inline int fprintf(std::FILE* f, const S& format, const Args&... args) { - using context = basic_printf_context_t<Char>; - return vfprintf(f, to_string_view(format), - make_format_args<context>(args...)); -} - -template <typename S, typename Char = char_t<S>> -inline int vprintf( - const S& format, - basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args) { - return vfprintf(stdout, to_string_view(format), args); -} - -/** - \rst - Prints formatted data to ``stdout``. - - **Example**:: - - fmt::printf("Elapsed time: %.2f seconds", 1.23); - \endrst - */ -template <typename S, typename... Args, - FMT_ENABLE_IF(detail::is_string<S>::value)> -inline int printf(const S& format_str, const Args&... args) { - using context = basic_printf_context_t<char_t<S>>; - return vprintf(to_string_view(format_str), - make_format_args<context>(args...)); -} - -template <typename S, typename Char = char_t<S>> -inline int vfprintf( - std::basic_ostream<Char>& os, const S& format, - basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args) { - basic_memory_buffer<Char> buffer; - vprintf(buffer, to_string_view(format), args); - detail::write_buffer(os, buffer); - return static_cast<int>(buffer.size()); -} - -/** Formats arguments and writes the output to the range. */ -template <typename ArgFormatter, typename Char, - typename Context = - basic_printf_context<typename ArgFormatter::iterator, Char>> -typename ArgFormatter::iterator vprintf( - detail::buffer<Char>& out, basic_string_view<Char> format_str, - basic_format_args<type_identity_t<Context>> args) { - typename ArgFormatter::iterator iter(out); - Context(iter, format_str, args).template format<ArgFormatter>(); - return iter; -} - -/** - \rst - Prints formatted data to the stream *os*. - - **Example**:: - - fmt::fprintf(cerr, "Don't %s!", "panic"); - \endrst - */ -template <typename S, typename... Args, typename Char = char_t<S>> -inline int fprintf(std::basic_ostream<Char>& os, const S& format_str, - const Args&... args) { - using context = basic_printf_context_t<Char>; - return vfprintf(os, to_string_view(format_str), - make_format_args<context>(args...)); -} -FMT_END_NAMESPACE - -#endif // FMT_PRINTF_H_ |