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Upgraded to fmt ver 5.2.0

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gabime 2018-09-17 14:40:52 +03:00
parent f4ac67ae1c
commit 3771d12992
9 changed files with 5899 additions and 6772 deletions
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278
include/spdlog/fmt/bundled/color.h Normal file
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@ -0,0 +1,278 @@
// Formatting library for C++ - color support
//
// Copyright (c) 2018 - present, Victor Zverovich and fmt contributors
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_COLOR_H_
#define FMT_COLOR_H_
#include "format.h"
FMT_BEGIN_NAMESPACE
#ifdef FMT_DEPRECATED_COLORS
// color and (v)print_colored are deprecated.
enum color { black, red, green, yellow, blue, magenta, cyan, white };
FMT_API void vprint_colored(color c, string_view format, format_args args);
FMT_API void vprint_colored(color c, wstring_view format, wformat_args args);
template <typename... Args>
inline void print_colored(color c, string_view format_str,
const Args & ... args) {
vprint_colored(c, format_str, make_format_args(args...));
}
template <typename... Args>
inline void print_colored(color c, wstring_view format_str,
const Args & ... args) {
vprint_colored(c, format_str, make_format_args<wformat_context>(args...));
}
inline void vprint_colored(color c, string_view format, format_args args) {
char escape[] = "\x1b[30m";
escape[3] = static_cast<char>('0' + c);
std::fputs(escape, stdout);
vprint(format, args);
std::fputs(internal::data::RESET_COLOR, stdout);
}
inline void vprint_colored(color c, wstring_view format, wformat_args args) {
wchar_t escape[] = L"\x1b[30m";
escape[3] = static_cast<wchar_t>('0' + c);
std::fputws(escape, stdout);
vprint(format, args);
std::fputws(internal::data::WRESET_COLOR, stdout);
}
#else
// Experimental color support.
enum class color : uint32_t {
alice_blue = 0xF0F8FF, // rgb(240,248,255)
antique_white = 0xFAEBD7, // rgb(250,235,215)
aqua = 0x00FFFF, // rgb(0,255,255)
aquamarine = 0x7FFFD4, // rgb(127,255,212)
azure = 0xF0FFFF, // rgb(240,255,255)
beige = 0xF5F5DC, // rgb(245,245,220)
bisque = 0xFFE4C4, // rgb(255,228,196)
black = 0x000000, // rgb(0,0,0)
blanched_almond = 0xFFEBCD, // rgb(255,235,205)
blue = 0x0000FF, // rgb(0,0,255)
blue_violet = 0x8A2BE2, // rgb(138,43,226)
brown = 0xA52A2A, // rgb(165,42,42)
burly_wood = 0xDEB887, // rgb(222,184,135)
cadet_blue = 0x5F9EA0, // rgb(95,158,160)
chartreuse = 0x7FFF00, // rgb(127,255,0)
chocolate = 0xD2691E, // rgb(210,105,30)
coral = 0xFF7F50, // rgb(255,127,80)
cornflower_blue = 0x6495ED, // rgb(100,149,237)
cornsilk = 0xFFF8DC, // rgb(255,248,220)
crimson = 0xDC143C, // rgb(220,20,60)
cyan = 0x00FFFF, // rgb(0,255,255)
dark_blue = 0x00008B, // rgb(0,0,139)
dark_cyan = 0x008B8B, // rgb(0,139,139)
dark_golden_rod = 0xB8860B, // rgb(184,134,11)
dark_gray = 0xA9A9A9, // rgb(169,169,169)
dark_green = 0x006400, // rgb(0,100,0)
dark_khaki = 0xBDB76B, // rgb(189,183,107)
dark_magenta = 0x8B008B, // rgb(139,0,139)
dark_olive_green = 0x556B2F, // rgb(85,107,47)
dark_orange = 0xFF8C00, // rgb(255,140,0)
dark_orchid = 0x9932CC, // rgb(153,50,204)
dark_red = 0x8B0000, // rgb(139,0,0)
dark_salmon = 0xE9967A, // rgb(233,150,122)
dark_sea_green = 0x8FBC8F, // rgb(143,188,143)
dark_slate_blue = 0x483D8B, // rgb(72,61,139)
dark_slate_gray = 0x2F4F4F, // rgb(47,79,79)
dark_turquoise = 0x00CED1, // rgb(0,206,209)
dark_violet = 0x9400D3, // rgb(148,0,211)
deep_pink = 0xFF1493, // rgb(255,20,147)
deep_sky_blue = 0x00BFFF, // rgb(0,191,255)
dim_gray = 0x696969, // rgb(105,105,105)
dodger_blue = 0x1E90FF, // rgb(30,144,255)
fire_brick = 0xB22222, // rgb(178,34,34)
floral_white = 0xFFFAF0, // rgb(255,250,240)
forest_green = 0x228B22, // rgb(34,139,34)
fuchsia = 0xFF00FF, // rgb(255,0,255)
gainsboro = 0xDCDCDC, // rgb(220,220,220)
ghost_white = 0xF8F8FF, // rgb(248,248,255)
gold = 0xFFD700, // rgb(255,215,0)
golden_rod = 0xDAA520, // rgb(218,165,32)
gray = 0x808080, // rgb(128,128,128)
green = 0x008000, // rgb(0,128,0)
green_yellow = 0xADFF2F, // rgb(173,255,47)
honey_dew = 0xF0FFF0, // rgb(240,255,240)
hot_pink = 0xFF69B4, // rgb(255,105,180)
indian_red = 0xCD5C5C, // rgb(205,92,92)
indigo = 0x4B0082, // rgb(75,0,130)
ivory = 0xFFFFF0, // rgb(255,255,240)
khaki = 0xF0E68C, // rgb(240,230,140)
lavender = 0xE6E6FA, // rgb(230,230,250)
lavender_blush = 0xFFF0F5, // rgb(255,240,245)
lawn_green = 0x7CFC00, // rgb(124,252,0)
lemon_chiffon = 0xFFFACD, // rgb(255,250,205)
light_blue = 0xADD8E6, // rgb(173,216,230)
light_coral = 0xF08080, // rgb(240,128,128)
light_cyan = 0xE0FFFF, // rgb(224,255,255)
light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210)
light_gray = 0xD3D3D3, // rgb(211,211,211)
light_green = 0x90EE90, // rgb(144,238,144)
light_pink = 0xFFB6C1, // rgb(255,182,193)
light_salmon = 0xFFA07A, // rgb(255,160,122)
light_sea_green = 0x20B2AA, // rgb(32,178,170)
light_sky_blue = 0x87CEFA, // rgb(135,206,250)
light_slate_gray = 0x778899, // rgb(119,136,153)
light_steel_blue = 0xB0C4DE, // rgb(176,196,222)
light_yellow = 0xFFFFE0, // rgb(255,255,224)
lime = 0x00FF00, // rgb(0,255,0)
lime_green = 0x32CD32, // rgb(50,205,50)
linen = 0xFAF0E6, // rgb(250,240,230)
magenta = 0xFF00FF, // rgb(255,0,255)
maroon = 0x800000, // rgb(128,0,0)
medium_aquamarine = 0x66CDAA, // rgb(102,205,170)
medium_blue = 0x0000CD, // rgb(0,0,205)
medium_orchid = 0xBA55D3, // rgb(186,85,211)
medium_purple = 0x9370DB, // rgb(147,112,219)
medium_sea_green = 0x3CB371, // rgb(60,179,113)
medium_slate_blue = 0x7B68EE, // rgb(123,104,238)
medium_spring_green = 0x00FA9A, // rgb(0,250,154)
medium_turquoise = 0x48D1CC, // rgb(72,209,204)
medium_violet_red = 0xC71585, // rgb(199,21,133)
midnight_blue = 0x191970, // rgb(25,25,112)
mint_cream = 0xF5FFFA, // rgb(245,255,250)
misty_rose = 0xFFE4E1, // rgb(255,228,225)
moccasin = 0xFFE4B5, // rgb(255,228,181)
navajo_white = 0xFFDEAD, // rgb(255,222,173)
navy = 0x000080, // rgb(0,0,128)
old_lace = 0xFDF5E6, // rgb(253,245,230)
olive = 0x808000, // rgb(128,128,0)
olive_drab = 0x6B8E23, // rgb(107,142,35)
orange = 0xFFA500, // rgb(255,165,0)
orange_red = 0xFF4500, // rgb(255,69,0)
orchid = 0xDA70D6, // rgb(218,112,214)
pale_golden_rod = 0xEEE8AA, // rgb(238,232,170)
pale_green = 0x98FB98, // rgb(152,251,152)
pale_turquoise = 0xAFEEEE, // rgb(175,238,238)
pale_violet_red = 0xDB7093, // rgb(219,112,147)
papaya_whip = 0xFFEFD5, // rgb(255,239,213)
peach_puff = 0xFFDAB9, // rgb(255,218,185)
peru = 0xCD853F, // rgb(205,133,63)
pink = 0xFFC0CB, // rgb(255,192,203)
plum = 0xDDA0DD, // rgb(221,160,221)
powder_blue = 0xB0E0E6, // rgb(176,224,230)
purple = 0x800080, // rgb(128,0,128)
rebecca_purple = 0x663399, // rgb(102,51,153)
red = 0xFF0000, // rgb(255,0,0)
rosy_brown = 0xBC8F8F, // rgb(188,143,143)
royal_blue = 0x4169E1, // rgb(65,105,225)
saddle_brown = 0x8B4513, // rgb(139,69,19)
salmon = 0xFA8072, // rgb(250,128,114)
sandy_brown = 0xF4A460, // rgb(244,164,96)
sea_green = 0x2E8B57, // rgb(46,139,87)
sea_shell = 0xFFF5EE, // rgb(255,245,238)
sienna = 0xA0522D, // rgb(160,82,45)
silver = 0xC0C0C0, // rgb(192,192,192)
sky_blue = 0x87CEEB, // rgb(135,206,235)
slate_blue = 0x6A5ACD, // rgb(106,90,205)
slate_gray = 0x708090, // rgb(112,128,144)
snow = 0xFFFAFA, // rgb(255,250,250)
spring_green = 0x00FF7F, // rgb(0,255,127)
steel_blue = 0x4682B4, // rgb(70,130,180)
tan = 0xD2B48C, // rgb(210,180,140)
teal = 0x008080, // rgb(0,128,128)
thistle = 0xD8BFD8, // rgb(216,191,216)
tomato = 0xFF6347, // rgb(255,99,71)
turquoise = 0x40E0D0, // rgb(64,224,208)
violet = 0xEE82EE, // rgb(238,130,238)
wheat = 0xF5DEB3, // rgb(245,222,179)
white = 0xFFFFFF, // rgb(255,255,255)
white_smoke = 0xF5F5F5, // rgb(245,245,245)
yellow = 0xFFFF00, // rgb(255,255,0)
yellow_green = 0x9ACD32, // rgb(154,205,50)
}; // enum class color
// rgb is a struct for red, green and blue colors.
// We use rgb as name because some editors will show it as color direct in the
// editor.
struct rgb {
FMT_CONSTEXPR_DECL rgb() : r(0), g(0), b(0) {}
FMT_CONSTEXPR_DECL rgb(uint8_t r_, uint8_t g_, uint8_t b_)
: r(r_), g(g_), b(b_) {}
FMT_CONSTEXPR_DECL rgb(uint32_t hex)
: r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b((hex) & 0xFF) {}
FMT_CONSTEXPR_DECL rgb(color hex)
: r((uint32_t(hex) >> 16) & 0xFF), g((uint32_t(hex) >> 8) & 0xFF),
b(uint32_t(hex) & 0xFF) {}
uint8_t r;
uint8_t g;
uint8_t b;
};
void vprint_rgb(rgb fd, string_view format, format_args args);
void vprint_rgb(rgb fd, rgb bg, string_view format, format_args args);
/**
Formats a string and prints it to stdout using ANSI escape sequences to
specify foreground color 'fd'.
Example:
fmt::print(fmt::color::red, "Elapsed time: {0:.2f} seconds", 1.23);
*/
template <typename... Args>
inline void print(rgb fd, string_view format_str, const Args & ... args) {
vprint_rgb(fd, format_str, make_format_args(args...));
}
/**
Formats a string and prints it to stdout using ANSI escape sequences to
specify foreground color 'fd' and background color 'bg'.
Example:
fmt::print(fmt::color::red, fmt::color::black,
"Elapsed time: {0:.2f} seconds", 1.23);
*/
template <typename... Args>
inline void print(rgb fd, rgb bg, string_view format_str,
const Args & ... args) {
vprint_rgb(fd, bg, format_str, make_format_args(args...));
}
namespace internal {
FMT_CONSTEXPR void to_esc(uint8_t c, char out[], int offset) {
out[offset + 0] = static_cast<char>('0' + c / 100);
out[offset + 1] = static_cast<char>('0' + c / 10 % 10);
out[offset + 2] = static_cast<char>('0' + c % 10);
}
} // namespace internal
inline void vprint_rgb(rgb fd, string_view format, format_args args) {
char escape_fd[] = "\x1b[38;2;000;000;000m";
internal::to_esc(fd.r, escape_fd, 7);
internal::to_esc(fd.g, escape_fd, 11);
internal::to_esc(fd.b, escape_fd, 15);
std::fputs(escape_fd, stdout);
vprint(format, args);
std::fputs(internal::data::RESET_COLOR, stdout);
}
inline void vprint_rgb(rgb fd, rgb bg, string_view format, format_args args) {
char escape_fd[] = "\x1b[38;2;000;000;000m"; // foreground color
char escape_bg[] = "\x1b[48;2;000;000;000m"; // background color
internal::to_esc(fd.r, escape_fd, 7);
internal::to_esc(fd.g, escape_fd, 11);
internal::to_esc(fd.b, escape_fd, 15);
internal::to_esc(bg.r, escape_bg, 7);
internal::to_esc(bg.g, escape_bg, 11);
internal::to_esc(bg.b, escape_bg, 15);
std::fputs(escape_fd, stdout);
std::fputs(escape_bg, stdout);
vprint(format, args);
std::fputs(internal::data::RESET_COLOR, stdout);
}
#endif
FMT_END_NAMESPACE
#endif // FMT_COLOR_H_

1076
include/spdlog/fmt/bundled/core.h
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716
include/spdlog/fmt/bundled/format-inl.h
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@ -18,10 +18,9 @@
#include <cmath> #include <cmath>
#include <cstdarg> #include <cstdarg>
#include <cstddef> // for std::ptrdiff_t #include <cstddef> // for std::ptrdiff_t
#include <cstring> // for std::memmove
#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
# include <locale> # include <locale>
#if defined(_WIN32) && defined(__MINGW32__)
#include <cstring>
#endif #endif
#if FMT_USE_WINDOWS_H #if FMT_USE_WINDOWS_H
@ -56,12 +55,10 @@
// Dummy implementations of strerror_r and strerror_s called if corresponding // Dummy implementations of strerror_r and strerror_s called if corresponding
// system functions are not available. // system functions are not available.
inline fmt::internal::null<> strerror_r(int, char *, ...) inline fmt::internal::null<> strerror_r(int, char *, ...) {
{
return fmt::internal::null<>(); return fmt::internal::null<>();
} }
inline fmt::internal::null<> strerror_s(char *, std::size_t, ...) inline fmt::internal::null<> strerror_s(char *, std::size_t, ...) {
{
return fmt::internal::null<>(); return fmt::internal::null<>();
} }
@ -72,8 +69,7 @@ namespace {
#ifndef _MSC_VER #ifndef _MSC_VER
# define FMT_SNPRINTF snprintf # define FMT_SNPRINTF snprintf
#else // _MSC_VER #else // _MSC_VER
inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...) inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...) {
{
va_list args; va_list args;
va_start(args, format); va_start(args, format);
int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args); int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args);
@ -100,12 +96,11 @@ typedef void (*FormatFunc)(internal::buffer &, int, string_view);
// ERANGE - buffer is not large enough to store the error message // ERANGE - buffer is not large enough to store the error message
// other - failure // other - failure
// Buffer should be at least of size 1. // Buffer should be at least of size 1.
int safe_strerror(int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT int safe_strerror(
{ int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT {
FMT_ASSERT(buffer != FMT_NULL && buffer_size != 0, "invalid buffer"); FMT_ASSERT(buffer != FMT_NULL && buffer_size != 0, "invalid buffer");
class dispatcher class dispatcher {
{
private: private:
int error_code_; int error_code_;
char *&buffer_; char *&buffer_;
@ -115,15 +110,13 @@ int safe_strerror(int error_code, char *&buffer, std::size_t buffer_size) FMT_NO
void operator=(const dispatcher &) {} void operator=(const dispatcher &) {}
// Handle the result of XSI-compliant version of strerror_r. // Handle the result of XSI-compliant version of strerror_r.
int handle(int result) int handle(int result) {
{
// glibc versions before 2.13 return result in errno. // glibc versions before 2.13 return result in errno.
return result == -1 ? errno : result; return result == -1 ? errno : result;
} }
// Handle the result of GNU-specific version of strerror_r. // Handle the result of GNU-specific version of strerror_r.
int handle(char *message) int handle(char *message) {
{
// If the buffer is full then the message is probably truncated. // If the buffer is full then the message is probably truncated.
if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1) if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1)
return ERANGE; return ERANGE;
@ -132,21 +125,19 @@ int safe_strerror(int error_code, char *&buffer, std::size_t buffer_size) FMT_NO
} }
// Handle the case when strerror_r is not available. // Handle the case when strerror_r is not available.
int handle(internal::null<>) int handle(internal::null<>) {
{
return fallback(strerror_s(buffer_, buffer_size_, error_code_)); return fallback(strerror_s(buffer_, buffer_size_, error_code_));
} }
// Fallback to strerror_s when strerror_r is not available. // Fallback to strerror_s when strerror_r is not available.
int fallback(int result) int fallback(int result) {
{
// If the buffer is full then the message is probably truncated. // If the buffer is full then the message is probably truncated.
return result == 0 && strlen(buffer_) == buffer_size_ - 1 ? ERANGE : result; return result == 0 && strlen(buffer_) == buffer_size_ - 1 ?
ERANGE : result;
} }
// Fallback to strerror if strerror_r and strerror_s are not available. // Fallback to strerror if strerror_r and strerror_s are not available.
int fallback(internal::null<>) int fallback(internal::null<>) {
{
errno = 0; errno = 0;
buffer_ = strerror(error_code_); buffer_ = strerror(error_code_);
return errno; return errno;
@ -154,22 +145,17 @@ int safe_strerror(int error_code, char *&buffer, std::size_t buffer_size) FMT_NO
public: public:
dispatcher(int err_code, char *&buf, std::size_t buf_size) dispatcher(int err_code, char *&buf, std::size_t buf_size)
: error_code_(err_code) : error_code_(err_code), buffer_(buf), buffer_size_(buf_size) {}
, buffer_(buf)
, buffer_size_(buf_size)
{
}
int run() int run() {
{
return handle(strerror_r(error_code_, buffer_, buffer_size_)); return handle(strerror_r(error_code_, buffer_, buffer_size_));
} }
}; };
return dispatcher(error_code, buffer, buffer_size).run(); return dispatcher(error_code, buffer, buffer_size).run();
} }
void format_error_code(internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT void format_error_code(internal::buffer &out, int error_code,
{ string_view message) FMT_NOEXCEPT {
// Report error code making sure that the output fits into // Report error code making sure that the output fits into
// inline_buffer_size to avoid dynamic memory allocation and potential // inline_buffer_size to avoid dynamic memory allocation and potential
// bad_alloc. // bad_alloc.
@ -180,15 +166,13 @@ void format_error_code(internal::buffer &out, int error_code, string_view messag
std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2; std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2;
typedef internal::int_traits<int>::main_type main_type; typedef internal::int_traits<int>::main_type main_type;
main_type abs_value = static_cast<main_type>(error_code); main_type abs_value = static_cast<main_type>(error_code);
if (internal::is_negative(error_code)) if (internal::is_negative(error_code)) {
{
abs_value = 0 - abs_value; abs_value = 0 - abs_value;
++error_code_size; ++error_code_size;
} }
error_code_size += internal::count_digits(abs_value); error_code_size += internal::count_digits(abs_value);
writer w(out); writer w(out);
if (message.size() <= inline_buffer_size - error_code_size) if (message.size() <= inline_buffer_size - error_code_size) {
{
w.write(message); w.write(message);
w.write(SEP); w.write(SEP);
} }
@ -197,8 +181,8 @@ void format_error_code(internal::buffer &out, int error_code, string_view messag
assert(out.size() <= inline_buffer_size); assert(out.size() <= inline_buffer_size);
} }
void report_error(FormatFunc func, int error_code, string_view message) FMT_NOEXCEPT void report_error(FormatFunc func, int error_code,
{ string_view message) FMT_NOEXCEPT {
memory_buffer full_message; memory_buffer full_message;
func(full_message, error_code, message); func(full_message, error_code, message);
// Use Writer::data instead of Writer::c_str to avoid potential memory // Use Writer::data instead of Writer::c_str to avoid potential memory
@ -208,31 +192,40 @@ void report_error(FormatFunc func, int error_code, string_view message) FMT_NOEX
} }
} // namespace } // namespace
class locale #if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
{ class locale {
private: private:
std::locale locale_; std::locale locale_;
public: public:
explicit locale(std::locale loc = std::locale()) explicit locale(std::locale loc = std::locale()) : locale_(loc) {}
: locale_(loc) std::locale get() { return locale_; }
{
}
std::locale get()
{
return locale_;
}
}; };
FMT_FUNC size_t internal::count_code_points(u8string_view s) {
const char8_t *data = s.data();
int num_code_points = 0;
for (size_t i = 0, size = s.size(); i != size; ++i) {
if ((data[i].value & 0xc0) != 0x80)
++num_code_points;
}
return num_code_points;
}
template <typename Char> template <typename Char>
FMT_FUNC Char internal::thousands_sep(locale_provider *lp) FMT_FUNC Char internal::thousands_sep(locale_provider *lp) {
{
std::locale loc = lp ? lp->locale().get() : std::locale(); std::locale loc = lp ? lp->locale().get() : std::locale();
return std::use_facet<std::numpunct<Char>>(loc).thousands_sep(); return std::use_facet<std::numpunct<Char>>(loc).thousands_sep();
} }
#else
template <typename Char>
FMT_FUNC Char internal::thousands_sep(locale_provider *lp) {
return FMT_STATIC_THOUSANDS_SEPARATOR;
}
#endif
FMT_FUNC void system_error::init(int err_code, string_view format_str, format_args args) FMT_FUNC void system_error::init(
{ int err_code, string_view format_str, format_args args) {
error_code_ = err_code; error_code_ = err_code;
memory_buffer buffer; memory_buffer buffer;
format_system_error(buffer, err_code, vformat(format_str, args)); format_system_error(buffer, err_code, vformat(format_str, args));
@ -242,68 +235,202 @@ FMT_FUNC void system_error::init(int err_code, string_view format_str, format_ar
namespace internal { namespace internal {
template <typename T> template <typename T>
int char_traits<char>::format_float(char *buffer, std::size_t size, const char *format, int precision, T value) int char_traits<char>::format_float(
{ char *buffer, std::size_t size, const char *format, int precision, T value) {
return precision < 0 ? FMT_SNPRINTF(buffer, size, format, value) : FMT_SNPRINTF(buffer, size, format, precision, value); return precision < 0 ?
FMT_SNPRINTF(buffer, size, format, value) :
FMT_SNPRINTF(buffer, size, format, precision, value);
} }
template <typename T> template <typename T>
int char_traits<wchar_t>::format_float(wchar_t *buffer, std::size_t size, const wchar_t *format, int precision, T value) int char_traits<wchar_t>::format_float(
{ wchar_t *buffer, std::size_t size, const wchar_t *format, int precision,
return precision < 0 ? FMT_SWPRINTF(buffer, size, format, value) : FMT_SWPRINTF(buffer, size, format, precision, value); T value) {
return precision < 0 ?
FMT_SWPRINTF(buffer, size, format, value) :
FMT_SWPRINTF(buffer, size, format, precision, value);
} }
template <typename T> template <typename T>
const char basic_data<T>::DIGITS[] = "0001020304050607080910111213141516171819" const char basic_data<T>::DIGITS[] =
"0001020304050607080910111213141516171819"
"2021222324252627282930313233343536373839" "2021222324252627282930313233343536373839"
"4041424344454647484950515253545556575859" "4041424344454647484950515253545556575859"
"6061626364656667686970717273747576777879" "6061626364656667686970717273747576777879"
"8081828384858687888990919293949596979899"; "8081828384858687888990919293949596979899";
#define FMT_POWERS_OF_10(factor) \ #define FMT_POWERS_OF_10(factor) \
factor * 10, factor * 100, factor * 1000, factor * 10000, factor * 100000, factor * 1000000, factor * 10000000, factor * 100000000, \ factor * 10, \
factor * 100, \
factor * 1000, \
factor * 10000, \
factor * 100000, \
factor * 1000000, \
factor * 10000000, \
factor * 100000000, \
factor * 1000000000 factor * 1000000000
template <typename T> template <typename T>
const uint32_t basic_data<T>::POWERS_OF_10_32[] = {0, FMT_POWERS_OF_10(1)}; const uint32_t basic_data<T>::POWERS_OF_10_32[] = {
1, FMT_POWERS_OF_10(1)
};
template <typename T> template <typename T>
const uint64_t basic_data<T>::POWERS_OF_10_64[] = {0, FMT_POWERS_OF_10(1), FMT_POWERS_OF_10(1000000000ull), 10000000000000000000ull}; const uint32_t basic_data<T>::ZERO_OR_POWERS_OF_10_32[] = {
0, FMT_POWERS_OF_10(1)
};
template <typename T>
const uint64_t basic_data<T>::ZERO_OR_POWERS_OF_10_64[] = {
0,
FMT_POWERS_OF_10(1),
FMT_POWERS_OF_10(1000000000ull),
10000000000000000000ull
};
// Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340. // Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340.
// These are generated by support/compute-powers.py. // These are generated by support/compute-powers.py.
template <typename T> template <typename T>
const uint64_t basic_data<T>::POW10_SIGNIFICANDS[] = {0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76, 0xcf42894a5dce35ea, const uint64_t basic_data<T>::POW10_SIGNIFICANDS[] = {
0x9a6bb0aa55653b2d, 0xe61acf033d1a45df, 0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c, 0x8dd01fad907ffc3c, 0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76,
0xd3515c2831559a83, 0x9d71ac8fada6c9b5, 0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57, 0xc21094364dfb5637, 0xcf42894a5dce35ea, 0x9a6bb0aa55653b2d, 0xe61acf033d1a45df,
0x9096ea6f3848984f, 0xd77485cb25823ac7, 0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e, 0x84c8d4dfd2c63f3b, 0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c,
0xc5dd44271ad3cdba, 0x936b9fcebb25c996, 0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126, 0xb5b5ada8aaff80b8, 0x8dd01fad907ffc3c, 0xd3515c2831559a83, 0x9d71ac8fada6c9b5,
0x87625f056c7c4a8b, 0xc9bcff6034c13053, 0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f, 0xf8a95fcf88747d94, 0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57,
0xb94470938fa89bcf, 0x8a08f0f8bf0f156b, 0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06, 0xaa242499697392d3, 0xc21094364dfb5637, 0x9096ea6f3848984f, 0xd77485cb25823ac7,
0xfd87b5f28300ca0e, 0xbce5086492111aeb, 0x8cbccc096f5088cc, 0xd1b71758e219652c, 0x9c40000000000000, 0xe8d4a51000000000, 0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e,
0xad78ebc5ac620000, 0x813f3978f8940984, 0xc097ce7bc90715b3, 0x8f7e32ce7bea5c70, 0xd5d238a4abe98068, 0x9f4f2726179a2245, 0x84c8d4dfd2c63f3b, 0xc5dd44271ad3cdba, 0x936b9fcebb25c996,
0xed63a231d4c4fb27, 0xb0de65388cc8ada8, 0x83c7088e1aab65db, 0xc45d1df942711d9a, 0x924d692ca61be758, 0xda01ee641a708dea, 0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126,
0xa26da3999aef774a, 0xf209787bb47d6b85, 0xb454e4a179dd1877, 0x865b86925b9bc5c2, 0xc83553c5c8965d3d, 0x952ab45cfa97a0b3, 0xb5b5ada8aaff80b8, 0x87625f056c7c4a8b, 0xc9bcff6034c13053,
0xde469fbd99a05fe3, 0xa59bc234db398c25, 0xf6c69a72a3989f5c, 0xb7dcbf5354e9bece, 0x88fcf317f22241e2, 0xcc20ce9bd35c78a5, 0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f,
0x98165af37b2153df, 0xe2a0b5dc971f303a, 0xa8d9d1535ce3b396, 0xfb9b7cd9a4a7443c, 0xbb764c4ca7a44410, 0x8bab8eefb6409c1a, 0xf8a95fcf88747d94, 0xb94470938fa89bcf, 0x8a08f0f8bf0f156b,
0xd01fef10a657842c, 0x9b10a4e5e9913129, 0xe7109bfba19c0c9d, 0xac2820d9623bf429, 0x80444b5e7aa7cf85, 0xbf21e44003acdd2d, 0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06,
0x8e679c2f5e44ff8f, 0xd433179d9c8cb841, 0x9e19db92b4e31ba9, 0xeb96bf6ebadf77d9, 0xaf87023b9bf0ee6b}; 0xaa242499697392d3, 0xfd87b5f28300ca0e, 0xbce5086492111aeb,
0x8cbccc096f5088cc, 0xd1b71758e219652c, 0x9c40000000000000,
0xe8d4a51000000000, 0xad78ebc5ac620000, 0x813f3978f8940984,
0xc097ce7bc90715b3, 0x8f7e32ce7bea5c70, 0xd5d238a4abe98068,
0x9f4f2726179a2245, 0xed63a231d4c4fb27, 0xb0de65388cc8ada8,
0x83c7088e1aab65db, 0xc45d1df942711d9a, 0x924d692ca61be758,
0xda01ee641a708dea, 0xa26da3999aef774a, 0xf209787bb47d6b85,
0xb454e4a179dd1877, 0x865b86925b9bc5c2, 0xc83553c5c8965d3d,
0x952ab45cfa97a0b3, 0xde469fbd99a05fe3, 0xa59bc234db398c25,
0xf6c69a72a3989f5c, 0xb7dcbf5354e9bece, 0x88fcf317f22241e2,
0xcc20ce9bd35c78a5, 0x98165af37b2153df, 0xe2a0b5dc971f303a,
0xa8d9d1535ce3b396, 0xfb9b7cd9a4a7443c, 0xbb764c4ca7a44410,
0x8bab8eefb6409c1a, 0xd01fef10a657842c, 0x9b10a4e5e9913129,
0xe7109bfba19c0c9d, 0xac2820d9623bf429, 0x80444b5e7aa7cf85,
0xbf21e44003acdd2d, 0x8e679c2f5e44ff8f, 0xd433179d9c8cb841,
0x9e19db92b4e31ba9, 0xeb96bf6ebadf77d9, 0xaf87023b9bf0ee6b,
};
// Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding // Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding
// to significands above. // to significands above.
template <typename T> template <typename T>
const int16_t basic_data<T>::POW10_EXPONENTS[] = {-1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954, -927, -901, const int16_t basic_data<T>::POW10_EXPONENTS[] = {
-874, -847, -821, -794, -768, -741, -715, -688, -661, -635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369, -343, -316, -1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954,
-289, -263, -236, -210, -183, -157, -130, -103, -77, -50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216, 242, 269, 295, 322, 348, 375, -927, -901, -874, -847, -821, -794, -768, -741, -715, -688, -661,
402, 428, 455, 481, 508, 534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800, 827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066}; -635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369,
-343, -316, -289, -263, -236, -210, -183, -157, -130, -103, -77,
-50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216,
242, 269, 295, 322, 348, 375, 402, 428, 455, 481, 508,
534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800,
827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066
};
template<typename T> template <typename T> const char basic_data<T>::RESET_COLOR[] = "\x1b[0m";
const char basic_data<T>::RESET_COLOR[] = "\x1b[0m"; template <typename T> const wchar_t basic_data<T>::WRESET_COLOR[] = L"\x1b[0m";
template<typename T>
const wchar_t basic_data<T>::WRESET_COLOR[] = L"\x1b[0m";
FMT_FUNC fp operator*(fp x, fp y) // A handmade floating-point number f * pow(2, e).
{ class fp {
private:
typedef uint64_t significand_type;
// All sizes are in bits.
static FMT_CONSTEXPR_DECL const int char_size =
std::numeric_limits<unsigned char>::digits;
// Subtract 1 to account for an implicit most significant bit in the
// normalized form.
static FMT_CONSTEXPR_DECL const int double_significand_size =
std::numeric_limits<double>::digits - 1;
static FMT_CONSTEXPR_DECL const uint64_t implicit_bit =
1ull << double_significand_size;
public:
significand_type f;
int e;
static FMT_CONSTEXPR_DECL const int significand_size =
sizeof(significand_type) * char_size;
fp(): f(0), e(0) {}
fp(uint64_t f, int e): f(f), e(e) {}
// Constructs fp from an IEEE754 double. It is a template to prevent compile
// errors on platforms where double is not IEEE754.
template <typename Double>
explicit fp(Double d) {
// Assume double is in the format [sign][exponent][significand].
typedef std::numeric_limits<Double> limits;
const int double_size = static_cast<int>(sizeof(Double) * char_size);
const int exponent_size =
double_size - double_significand_size - 1; // -1 for sign
const uint64_t significand_mask = implicit_bit - 1;
const uint64_t exponent_mask = (~0ull >> 1) & ~significand_mask;
const int exponent_bias = (1 << exponent_size) - limits::max_exponent - 1;
auto u = bit_cast<uint64_t>(d);
auto biased_e = (u & exponent_mask) >> double_significand_size;
f = u & significand_mask;
if (biased_e != 0)
f += implicit_bit;
else
biased_e = 1; // Subnormals use biased exponent 1 (min exponent).
e = static_cast<int>(biased_e - exponent_bias - double_significand_size);
}
// Normalizes the value converted from double and multiplied by (1 << SHIFT).
template <int SHIFT = 0>
void normalize() {
// Handle subnormals.
auto shifted_implicit_bit = implicit_bit << SHIFT;
while ((f & shifted_implicit_bit) == 0) {
f <<= 1;
--e;
}
// Subtract 1 to account for hidden bit.
auto offset = significand_size - double_significand_size - SHIFT - 1;
f <<= offset;
e -= offset;
}
// Compute lower and upper boundaries (m^- and m^+ in the Grisu paper), where
// a boundary is a value half way between the number and its predecessor
// (lower) or successor (upper). The upper boundary is normalized and lower
// has the same exponent but may be not normalized.
void compute_boundaries(fp &lower, fp &upper) const {
lower = f == implicit_bit ?
fp((f << 2) - 1, e - 2) : fp((f << 1) - 1, e - 1);
upper = fp((f << 1) + 1, e - 1);
upper.normalize<1>(); // 1 is to account for the exponent shift above.
lower.f <<= lower.e - upper.e;
lower.e = upper.e;
}
};
// Returns an fp number representing x - y. Result may not be normalized.
inline fp operator-(fp x, fp y) {
FMT_ASSERT(x.f >= y.f && x.e == y.e, "invalid operands");
return fp(x.f - y.f, x.e);
}
// Computes an fp number r with r.f = x.f * y.f / pow(2, 64) rounded to nearest
// with half-up tie breaking, r.e = x.e + y.e + 64. Result may not be normalized.
FMT_API fp operator*(fp x, fp y);
// Returns cached power (of 10) c_k = c_k.f * pow(2, c_k.e) such that its
// (binary) exponent satisfies min_exponent <= c_k.e <= min_exponent + 3.
FMT_API fp get_cached_power(int min_exponent, int &pow10_exponent);
FMT_FUNC fp operator*(fp x, fp y) {
// Multiply 32-bit parts of significands. // Multiply 32-bit parts of significands.
uint64_t mask = (1ULL << 32) - 1; uint64_t mask = (1ULL << 32) - 1;
uint64_t a = x.f >> 32, b = x.f & mask; uint64_t a = x.f >> 32, b = x.f & mask;
@ -314,81 +441,315 @@ FMT_FUNC fp operator*(fp x, fp y)
return fp(ac + (ad >> 32) + (bc >> 32) + (mid >> 32), x.e + y.e + 64); return fp(ac + (ad >> 32) + (bc >> 32) + (mid >> 32), x.e + y.e + 64);
} }
FMT_FUNC fp get_cached_power(int min_exponent, int &pow10_exponent) FMT_FUNC fp get_cached_power(int min_exponent, int &pow10_exponent) {
{
const double one_over_log2_10 = 0.30102999566398114; // 1 / log2(10) const double one_over_log2_10 = 0.30102999566398114; // 1 / log2(10)
int index = static_cast<int>(std::ceil((min_exponent + fp::significand_size - 1) * one_over_log2_10)); int index = static_cast<int>(std::ceil(
(min_exponent + fp::significand_size - 1) * one_over_log2_10));
// Decimal exponent of the first (smallest) cached power of 10. // Decimal exponent of the first (smallest) cached power of 10.
const int first_dec_exp = -348; const int first_dec_exp = -348;
// Difference between two consecutive decimal exponents in cached powers of // Difference between 2 consecutive decimal exponents in cached powers of 10.
// 10.
const int dec_exp_step = 8; const int dec_exp_step = 8;
index = (index - first_dec_exp - 1) / dec_exp_step + 1; index = (index - first_dec_exp - 1) / dec_exp_step + 1;
pow10_exponent = first_dec_exp + index * dec_exp_step; pow10_exponent = first_dec_exp + index * dec_exp_step;
return fp(data::POW10_SIGNIFICANDS[index], data::POW10_EXPONENTS[index]); return fp(data::POW10_SIGNIFICANDS[index], data::POW10_EXPONENTS[index]);
} }
// Generates output using Grisu2 digit-gen algorithm.
FMT_FUNC void grisu2_gen_digits(
const fp &scaled_value, const fp &scaled_upper, uint64_t delta,
char *buffer, size_t &size, int &dec_exp) {
internal::fp one(1ull << -scaled_upper.e, scaled_upper.e);
// hi (p1 in Grisu) contains the most significant digits of scaled_upper.
// hi = floor(scaled_upper / one).
uint32_t hi = static_cast<uint32_t>(scaled_upper.f >> -one.e);
// lo (p2 in Grisu) contains the least significants digits of scaled_upper.
// lo = scaled_upper mod 1.
uint64_t lo = scaled_upper.f & (one.f - 1);
size = 0;
auto exp = count_digits(hi); // kappa in Grisu.
while (exp > 0) {
uint32_t digit = 0;
// This optimization by miloyip reduces the number of integer divisions by
// one per iteration.
switch (exp) {
case 10: digit = hi / 1000000000; hi %= 1000000000; break;
case 9: digit = hi / 100000000; hi %= 100000000; break;
case 8: digit = hi / 10000000; hi %= 10000000; break;
case 7: digit = hi / 1000000; hi %= 1000000; break;
case 6: digit = hi / 100000; hi %= 100000; break;
case 5: digit = hi / 10000; hi %= 10000; break;
case 4: digit = hi / 1000; hi %= 1000; break;
case 3: digit = hi / 100; hi %= 100; break;
case 2: digit = hi / 10; hi %= 10; break;
case 1: digit = hi; hi = 0; break;
default:
FMT_ASSERT(false, "invalid number of digits");
}
if (digit != 0 || size != 0)
buffer[size++] = static_cast<char>('0' + digit);
--exp;
uint64_t remainder = (static_cast<uint64_t>(hi) << -one.e) + lo;
if (remainder <= delta) {
dec_exp += exp;
// TODO: use scaled_value
(void)scaled_value;
return;
}
}
for (;;) {
lo *= 10;
delta *= 10;
char digit = static_cast<char>(lo >> -one.e);
if (digit != 0 || size != 0)
buffer[size++] = static_cast<char>('0' + digit);
lo &= one.f - 1;
--exp;
if (lo < delta) {
dec_exp += exp;
return;
}
}
}
FMT_FUNC void grisu2_format_positive(double value, char *buffer, size_t &size,
int &dec_exp) {
FMT_ASSERT(value > 0, "value is nonpositive");
fp fp_value(value);
fp lower, upper; // w^- and w^+ in the Grisu paper.
fp_value.compute_boundaries(lower, upper);
// Find a cached power of 10 close to 1 / upper.
const int min_exp = -60; // alpha in Grisu.
auto dec_pow = get_cached_power( // \tilde{c}_{-k} in Grisu.
min_exp - (upper.e + fp::significand_size), dec_exp);
dec_exp = -dec_exp;
fp_value.normalize();
fp scaled_value = fp_value * dec_pow;
fp scaled_lower = lower * dec_pow; // \tilde{M}^- in Grisu.
fp scaled_upper = upper * dec_pow; // \tilde{M}^+ in Grisu.
++scaled_lower.f; // \tilde{M}^- + 1 ulp -> M^-_{\uparrow}.
--scaled_upper.f; // \tilde{M}^+ - 1 ulp -> M^+_{\downarrow}.
uint64_t delta = scaled_upper.f - scaled_lower.f;
grisu2_gen_digits(scaled_value, scaled_upper, delta, buffer, size, dec_exp);
}
FMT_FUNC void round(char *buffer, size_t &size, int &exp,
int digits_to_remove) {
size -= to_unsigned(digits_to_remove);
exp += digits_to_remove;
int digit = buffer[size] - '0';
// TODO: proper rounding and carry
if (digit > 5 || (digit == 5 && (digits_to_remove > 1 ||
(buffer[size - 1] - '0') % 2) != 0)) {
++buffer[size - 1];
}
}
// Writes the exponent exp in the form "[+-]d{1,3}" to buffer.
FMT_FUNC char *write_exponent(char *buffer, int exp) {
FMT_ASSERT(-1000 < exp && exp < 1000, "exponent out of range");
if (exp < 0) {
*buffer++ = '-';
exp = -exp;
} else {
*buffer++ = '+';
}
if (exp >= 100) {
*buffer++ = static_cast<char>('0' + exp / 100);
exp %= 100;
const char *d = data::DIGITS + exp * 2;
*buffer++ = d[0];
*buffer++ = d[1];
} else {
const char *d = data::DIGITS + exp * 2;
*buffer++ = d[0];
*buffer++ = d[1];
}
return buffer;
}
FMT_FUNC void format_exp_notation(
char *buffer, size_t &size, int exp, int precision, bool upper) {
// Insert a decimal point after the first digit and add an exponent.
std::memmove(buffer + 2, buffer + 1, size - 1);
buffer[1] = '.';
exp += static_cast<int>(size) - 1;
int num_digits = precision - static_cast<int>(size) + 1;
if (num_digits > 0) {
std::uninitialized_fill_n(buffer + size + 1, num_digits, '0');
size += to_unsigned(num_digits);
} else if (num_digits < 0) {
round(buffer, size, exp, -num_digits);
}
char *p = buffer + size + 1;
*p++ = upper ? 'E' : 'e';
size = to_unsigned(write_exponent(p, exp) - buffer);
}
// Prettifies the output of the Grisu2 algorithm.
// The number is given as v = buffer * 10^exp.
FMT_FUNC void grisu2_prettify(char *buffer, size_t &size, int exp,
int precision, bool upper) {
// pow(10, full_exp - 1) <= v <= pow(10, full_exp).
int int_size = static_cast<int>(size);
int full_exp = int_size + exp;
const int exp_threshold = 21;
if (int_size <= full_exp && full_exp <= exp_threshold) {
// 1234e7 -> 12340000000[.0+]
std::uninitialized_fill_n(buffer + int_size, full_exp - int_size, '0');
char *p = buffer + full_exp;
if (precision > 0) {
*p++ = '.';
std::uninitialized_fill_n(p, precision, '0');
p += precision;
}
size = to_unsigned(p - buffer);
} else if (0 < full_exp && full_exp <= exp_threshold) {
// 1234e-2 -> 12.34[0+]
int fractional_size = -exp;
std::memmove(buffer + full_exp + 1, buffer + full_exp,
to_unsigned(fractional_size));
buffer[full_exp] = '.';
int num_zeros = precision - fractional_size;
if (num_zeros > 0) {
std::uninitialized_fill_n(buffer + size + 1, num_zeros, '0');
size += to_unsigned(num_zeros);
}
++size;
} else if (-6 < full_exp && full_exp <= 0) {
// 1234e-6 -> 0.001234
int offset = 2 - full_exp;
std::memmove(buffer + offset, buffer, size);
buffer[0] = '0';
buffer[1] = '.';
std::uninitialized_fill_n(buffer + 2, -full_exp, '0');
size = to_unsigned(int_size + offset);
} else {
format_exp_notation(buffer, size, exp, precision, upper);
}
}
#if FMT_CLANG_VERSION
# define FMT_FALLTHROUGH [[clang::fallthrough]];
#elif FMT_GCC_VERSION >= 700
# define FMT_FALLTHROUGH [[gnu::fallthrough]];
#else
# define FMT_FALLTHROUGH
#endif
// Formats a nonnegative value using Grisu2 algorithm. Grisu2 doesn't give any
// guarantees on the shortness of the result.
FMT_FUNC void grisu2_format(double value, char *buffer, size_t &size, char type,
int precision, bool write_decimal_point) {
FMT_ASSERT(value >= 0, "value is negative");
int dec_exp = 0; // K in Grisu.
if (value > 0) {
grisu2_format_positive(value, buffer, size, dec_exp);
} else {
*buffer = '0';
size = 1;
}
const int default_precision = 6;
if (precision < 0)
precision = default_precision;
bool upper = false;
switch (type) {
case 'G':
upper = true;
FMT_FALLTHROUGH
case '\0': case 'g': {
int digits_to_remove = static_cast<int>(size) - precision;
if (digits_to_remove > 0) {
round(buffer, size, dec_exp, digits_to_remove);
// Remove trailing zeros.
while (size > 0 && buffer[size - 1] == '0') {
--size;
++dec_exp;
}
}
precision = 0;
break;
}
case 'F':
upper = true;
FMT_FALLTHROUGH
case 'f': {
int digits_to_remove = -dec_exp - precision;
if (digits_to_remove > 0) {
if (digits_to_remove >= static_cast<int>(size))
digits_to_remove = static_cast<int>(size) - 1;
round(buffer, size, dec_exp, digits_to_remove);
}
break;
}
case 'e': case 'E':
format_exp_notation(buffer, size, dec_exp, precision, type == 'E');
return;
}
if (write_decimal_point && precision < 1)
precision = 1;
grisu2_prettify(buffer, size, dec_exp, precision, upper);
}
} // namespace internal } // namespace internal
#if FMT_USE_WINDOWS_H #if FMT_USE_WINDOWS_H
FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s) FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s) {
{
static const char ERROR_MSG[] = "cannot convert string from UTF-8 to UTF-16"; static const char ERROR_MSG[] = "cannot convert string from UTF-8 to UTF-16";
if (s.size() > INT_MAX) if (s.size() > INT_MAX)
FMT_THROW(windows_error(ERROR_INVALID_PARAMETER, ERROR_MSG)); FMT_THROW(windows_error(ERROR_INVALID_PARAMETER, ERROR_MSG));
int s_size = static_cast<int>(s.size()); int s_size = static_cast<int>(s.size());
if (s_size == 0) if (s_size == 0) {
{
// MultiByteToWideChar does not support zero length, handle separately. // MultiByteToWideChar does not support zero length, handle separately.
buffer_.resize(1); buffer_.resize(1);
buffer_[0] = 0; buffer_[0] = 0;
return; return;
} }
int length = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, FMT_NULL, 0); int length = MultiByteToWideChar(
CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, FMT_NULL, 0);
if (length == 0) if (length == 0)
FMT_THROW(windows_error(GetLastError(), ERROR_MSG)); FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
buffer_.resize(length + 1); buffer_.resize(length + 1);
length = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, &buffer_[0], length); length = MultiByteToWideChar(
CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, &buffer_[0], length);
if (length == 0) if (length == 0)
FMT_THROW(windows_error(GetLastError(), ERROR_MSG)); FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
buffer_[length] = 0; buffer_[length] = 0;
} }
FMT_FUNC internal::utf16_to_utf8::utf16_to_utf8(wstring_view s) FMT_FUNC internal::utf16_to_utf8::utf16_to_utf8(wstring_view s) {
{ if (int error_code = convert(s)) {
if (int error_code = convert(s)) FMT_THROW(windows_error(error_code,
{ "cannot convert string from UTF-16 to UTF-8"));
FMT_THROW(windows_error(error_code, "cannot convert string from UTF-16 to UTF-8"));
} }
} }
FMT_FUNC int internal::utf16_to_utf8::convert(wstring_view s) FMT_FUNC int internal::utf16_to_utf8::convert(wstring_view s) {
{
if (s.size() > INT_MAX) if (s.size() > INT_MAX)
return ERROR_INVALID_PARAMETER; return ERROR_INVALID_PARAMETER;
int s_size = static_cast<int>(s.size()); int s_size = static_cast<int>(s.size());
if (s_size == 0) if (s_size == 0) {
{
// WideCharToMultiByte does not support zero length, handle separately. // WideCharToMultiByte does not support zero length, handle separately.
buffer_.resize(1); buffer_.resize(1);
buffer_[0] = 0; buffer_[0] = 0;
return 0; return 0;
} }
int length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, FMT_NULL, 0, FMT_NULL, FMT_NULL); int length = WideCharToMultiByte(
CP_UTF8, 0, s.data(), s_size, FMT_NULL, 0, FMT_NULL, FMT_NULL);
if (length == 0) if (length == 0)
return GetLastError(); return GetLastError();
buffer_.resize(length + 1); buffer_.resize(length + 1);
length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, &buffer_[0], length, FMT_NULL, FMT_NULL); length = WideCharToMultiByte(
CP_UTF8, 0, s.data(), s_size, &buffer_[0], length, FMT_NULL, FMT_NULL);
if (length == 0) if (length == 0)
return GetLastError(); return GetLastError();
buffer_[length] = 0; buffer_[length] = 0;
return 0; return 0;
} }
FMT_FUNC void windows_error::init(int err_code, string_view format_str, format_args args) FMT_FUNC void windows_error::init(
{ int err_code, string_view format_str, format_args args) {
error_code_ = err_code; error_code_ = err_code;
memory_buffer buffer; memory_buffer buffer;
internal::format_windows_error(buffer, err_code, vformat(format_str, args)); internal::format_windows_error(buffer, err_code, vformat(format_str, args));
@ -396,22 +757,20 @@ FMT_FUNC void windows_error::init(int err_code, string_view format_str, format_a
base = std::runtime_error(to_string(buffer)); base = std::runtime_error(to_string(buffer));
} }
FMT_FUNC void internal::format_windows_error(internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT FMT_FUNC void internal::format_windows_error(
{ internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT {
FMT_TRY FMT_TRY {
{
wmemory_buffer buf; wmemory_buffer buf;
buf.resize(inline_buffer_size); buf.resize(inline_buffer_size);
for (;;) for (;;) {
{
wchar_t *system_message = &buf[0]; wchar_t *system_message = &buf[0];
int result = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, FMT_NULL, error_code, int result = FormatMessageW(
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), system_message, static_cast<uint32_t>(buf.size()), FMT_NULL); FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
if (result != 0) FMT_NULL, error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
{ system_message, static_cast<uint32_t>(buf.size()), FMT_NULL);
if (result != 0) {
utf16_to_utf8 utf8_message; utf16_to_utf8 utf8_message;
if (utf8_message.convert(system_message) == ERROR_SUCCESS) if (utf8_message.convert(system_message) == ERROR_SUCCESS) {
{
writer w(out); writer w(out);
w.write(message); w.write(message);
w.write(": "); w.write(": ");
@ -424,25 +783,21 @@ FMT_FUNC void internal::format_windows_error(internal::buffer &out, int error_co
break; // Can't get error message, report error code instead. break; // Can't get error message, report error code instead.
buf.resize(buf.size() * 2); buf.resize(buf.size() * 2);
} }
} } FMT_CATCH(...) {}
FMT_CATCH(...) {}
format_error_code(out, error_code, message); format_error_code(out, error_code, message);
} }
#endif // FMT_USE_WINDOWS_H #endif // FMT_USE_WINDOWS_H
FMT_FUNC void format_system_error(internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT FMT_FUNC void format_system_error(
{ internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT {
FMT_TRY FMT_TRY {
{
memory_buffer buf; memory_buffer buf;
buf.resize(inline_buffer_size); buf.resize(inline_buffer_size);
for (;;) for (;;) {
{
char *system_message = &buf[0]; char *system_message = &buf[0];
int result = safe_strerror(error_code, system_message, buf.size()); int result = safe_strerror(error_code, system_message, buf.size());
if (result == 0) if (result == 0) {
{
writer w(out); writer w(out);
w.write(message); w.write(message);
w.write(": "); w.write(": ");
@ -453,122 +808,55 @@ FMT_FUNC void format_system_error(internal::buffer &out, int error_code, string_
break; // Can't get error message, report error code instead. break; // Can't get error message, report error code instead.
buf.resize(buf.size() * 2); buf.resize(buf.size() * 2);
} }
} } FMT_CATCH(...) {}
FMT_CATCH(...) {}
format_error_code(out, error_code, message); format_error_code(out, error_code, message);
} }
template <typename Char> template <typename Char>
void basic_fixed_buffer<Char>::grow(std::size_t) void basic_fixed_buffer<Char>::grow(std::size_t) {
{
FMT_THROW(std::runtime_error("buffer overflow")); FMT_THROW(std::runtime_error("buffer overflow"));
} }
FMT_FUNC void internal::error_handler::on_error(const char *message) FMT_FUNC void internal::error_handler::on_error(const char *message) {
{
FMT_THROW(format_error(message)); FMT_THROW(format_error(message));
} }
FMT_FUNC void report_system_error(int error_code, fmt::string_view message) FMT_NOEXCEPT FMT_FUNC void report_system_error(
{ int error_code, fmt::string_view message) FMT_NOEXCEPT {
report_error(format_system_error, error_code, message); report_error(format_system_error, error_code, message);
} }
#if FMT_USE_WINDOWS_H #if FMT_USE_WINDOWS_H
FMT_FUNC void report_windows_error(int error_code, fmt::string_view message) FMT_NOEXCEPT FMT_FUNC void report_windows_error(
{ int error_code, fmt::string_view message) FMT_NOEXCEPT {
report_error(internal::format_windows_error, error_code, message); report_error(internal::format_windows_error, error_code, message);
} }
#endif #endif
FMT_FUNC void vprint(std::FILE *f, string_view format_str, format_args args) FMT_FUNC void vprint(std::FILE *f, string_view format_str, format_args args) {
{
memory_buffer buffer; memory_buffer buffer;
vformat_to(buffer, format_str, args); vformat_to(buffer, format_str, args);
std::fwrite(buffer.data(), 1, buffer.size(), f); std::fwrite(buffer.data(), 1, buffer.size(), f);
} }
FMT_FUNC void vprint(std::FILE *f, wstring_view format_str, wformat_args args) FMT_FUNC void vprint(std::FILE *f, wstring_view format_str, wformat_args args) {
{
wmemory_buffer buffer; wmemory_buffer buffer;
vformat_to(buffer, format_str, args); vformat_to(buffer, format_str, args);
std::fwrite(buffer.data(), sizeof(wchar_t), buffer.size(), f); std::fwrite(buffer.data(), sizeof(wchar_t), buffer.size(), f);
} }
FMT_FUNC void vprint(string_view format_str, format_args args) FMT_FUNC void vprint(string_view format_str, format_args args) {
{
vprint(stdout, format_str, args); vprint(stdout, format_str, args);
} }
FMT_FUNC void vprint(wstring_view format_str, wformat_args args) FMT_FUNC void vprint(wstring_view format_str, wformat_args args) {
{
vprint(stdout, format_str, args); vprint(stdout, format_str, args);
} }
#ifndef FMT_EXTENDED_COLORS #if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
FMT_FUNC void vprint_colored(color c, string_view format, format_args args) FMT_FUNC locale locale_provider::locale() { return fmt::locale(); }
{
char escape[] = "\x1b[30m";
escape[3] = static_cast<char>('0' + c);
std::fputs(escape, stdout);
vprint(format, args);
std::fputs(internal::data::RESET_COLOR, stdout);
}
FMT_FUNC void vprint_colored(color c, wstring_view format, wformat_args args)
{
wchar_t escape[] = L"\x1b[30m";
escape[3] = static_cast<wchar_t>('0' + c);
std::fputws(escape, stdout);
vprint(format, args);
std::fputws(internal::data::WRESET_COLOR, stdout);
}
#else
namespace internal {
FMT_CONSTEXPR void to_esc(uint8_t c, char out[], int offset)
{
out[offset + 0] = static_cast<char>('0' + c / 100);
out[offset + 1] = static_cast<char>('0' + c / 10 % 10);
out[offset + 2] = static_cast<char>('0' + c % 10);
}
} // namespace internal
FMT_FUNC void vprint_rgb(rgb fd, string_view format, format_args args)
{
char escape_fd[] = "\x1b[38;2;000;000;000m";
internal::to_esc(fd.r, escape_fd, 7);
internal::to_esc(fd.g, escape_fd, 11);
internal::to_esc(fd.b, escape_fd, 15);
std::fputs(escape_fd, stdout);
vprint(format, args);
std::fputs(internal::data::RESET_COLOR, stdout);
}
FMT_FUNC void vprint_rgb(rgb fd, rgb bg, string_view format, format_args args)
{
char escape_fd[] = "\x1b[38;2;000;000;000m"; // foreground color
char escape_bg[] = "\x1b[48;2;000;000;000m"; // background color
internal::to_esc(fd.r, escape_fd, 7);
internal::to_esc(fd.g, escape_fd, 11);
internal::to_esc(fd.b, escape_fd, 15);
internal::to_esc(bg.r, escape_bg, 7);
internal::to_esc(bg.g, escape_bg, 11);
internal::to_esc(bg.b, escape_bg, 15);
std::fputs(escape_fd, stdout);
std::fputs(escape_bg, stdout);
vprint(format, args);
std::fputs(internal::data::RESET_COLOR, stdout);
}
#endif #endif
FMT_FUNC locale locale_provider::locale()
{
return fmt::locale();
}
FMT_END_NAMESPACE FMT_END_NAMESPACE
#ifdef _MSC_VER #ifdef _MSC_VER

3024
include/spdlog/fmt/bundled/format.h
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File diff suppressed because it is too large Load Diff

96
include/spdlog/fmt/bundled/ostream.h
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@ -15,8 +15,7 @@ FMT_BEGIN_NAMESPACE
namespace internal { namespace internal {
template <class Char> template <class Char>
class formatbuf : public std::basic_streambuf<Char> class formatbuf : public std::basic_streambuf<Char> {
{
private: private:
typedef typename std::basic_streambuf<Char>::int_type int_type; typedef typename std::basic_streambuf<Char>::int_type int_type;
typedef typename std::basic_streambuf<Char>::traits_type traits_type; typedef typename std::basic_streambuf<Char>::traits_type traits_type;
@ -24,10 +23,7 @@ private:
basic_buffer<Char> &buffer_; basic_buffer<Char> &buffer_;
public: public:
formatbuf(basic_buffer<Char> &buffer) formatbuf(basic_buffer<Char> &buffer) : buffer_(buffer) {}
: buffer_(buffer)
{
}
protected: protected:
// The put-area is actually always empty. This makes the implementation // The put-area is actually always empty. This makes the implementation
@ -37,37 +33,34 @@ protected:
// to overflow. There is no disadvantage here for sputn since this always // to overflow. There is no disadvantage here for sputn since this always
// results in a call to xsputn. // results in a call to xsputn.
int_type overflow(int_type ch = traits_type::eof()) FMT_OVERRIDE int_type overflow(int_type ch = traits_type::eof()) FMT_OVERRIDE {
{
if (!traits_type::eq_int_type(ch, traits_type::eof())) if (!traits_type::eq_int_type(ch, traits_type::eof()))
buffer_.push_back(static_cast<Char>(ch)); buffer_.push_back(static_cast<Char>(ch));
return ch; return ch;
} }
std::streamsize xsputn(const Char *s, std::streamsize count) FMT_OVERRIDE std::streamsize xsputn(const Char *s, std::streamsize count) FMT_OVERRIDE {
{
buffer_.append(s, s + count); buffer_.append(s, s + count);
return count; return count;
} }
}; };
template <typename Char> template <typename Char>
struct test_stream : std::basic_ostream<Char> struct test_stream : std::basic_ostream<Char> {
{
private: private:
struct null; struct null;
// Hide all operator<< from std::basic_ostream<Char>. // Hide all operator<< from std::basic_ostream<Char>.
void operator<<(null); void operator<<(null);
}; };
// Checks if T has a user-defined operator<< (e.g. not a member of // Checks if T has a user-defined operator<< (e.g. not a member of std::ostream).
// std::ostream).
template <typename T, typename Char> template <typename T, typename Char>
class is_streamable class is_streamable {
{
private: private:
template <typename U> template <typename U>
static decltype(internal::declval<test_stream<Char> &>() << internal::declval<U>(), std::true_type()) test(int); static decltype(
internal::declval<test_stream<Char>&>()
<< internal::declval<U>(), std::true_type()) test(int);
template <typename> template <typename>
static std::false_type test(...); static std::false_type test(...);
@ -75,31 +68,18 @@ private:
typedef decltype(test<T>(0)) result; typedef decltype(test<T>(0)) result;
public: public:
// std::string operator<< is not considered user-defined because we handle static const bool value = result::value;
// 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. // Write the content of buf to os.
template <typename Char> template <typename Char>
void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf) void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf) {
{
const Char *data = buf.data(); const Char *data = buf.data();
typedef std::make_unsigned<std::streamsize>::type UnsignedStreamSize; typedef std::make_unsigned<std::streamsize>::type UnsignedStreamSize;
UnsignedStreamSize size = buf.size(); UnsignedStreamSize size = buf.size();
UnsignedStreamSize max_size = internal::to_unsigned((std::numeric_limits<std::streamsize>::max)()); UnsignedStreamSize max_size =
do internal::to_unsigned((std::numeric_limits<std::streamsize>::max)());
{ do {
UnsignedStreamSize n = size <= max_size ? size : max_size; UnsignedStreamSize n = size <= max_size ? size : max_size;
os.write(data, static_cast<std::streamsize>(n)); os.write(data, static_cast<std::streamsize>(n));
data += n; data += n;
@ -108,42 +88,46 @@ void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf)
} }
template <typename Char, typename T> template <typename Char, typename T>
void format_value(basic_buffer<Char> &buffer, const T &value) void format_value(basic_buffer<Char> &buffer, const T &value) {
{
internal::formatbuf<Char> format_buf(buffer); internal::formatbuf<Char> format_buf(buffer);
std::basic_ostream<Char> output(&format_buf); std::basic_ostream<Char> output(&format_buf);
output.exceptions(std::ios_base::failbit | std::ios_base::badbit); output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
output << value; output << value;
buffer.resize(buffer.size()); 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 } // namespace internal
// 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>
struct convert_to_int<T, Char, void> {
static const bool value =
convert_to_int<T, Char, int>::value &&
!internal::is_streamable<T, Char>::value;
};
// Formats an object of type T that has an overloaded ostream operator<<. // Formats an object of type T that has an overloaded ostream operator<<.
template <typename T, typename Char> 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> struct formatter<T, Char,
{ typename std::enable_if<
internal::is_streamable<T, Char>::value &&
!internal::format_type<
typename buffer_context<Char>::type, T>::value>::type>
: formatter<basic_string_view<Char>, Char> {
template <typename Context> template <typename Context>
auto format(const T &value, Context &ctx) -> decltype(ctx.out()) auto format(const T &value, Context &ctx) -> decltype(ctx.out()) {
{
basic_memory_buffer<Char> buffer; basic_memory_buffer<Char> buffer;
internal::format_value(buffer, value); internal::format_value(buffer, value);
basic_string_view<Char> str(buffer.data(), buffer.size()); basic_string_view<Char> str(buffer.data(), buffer.size());
formatter<basic_string_view<Char>, Char>::format(str, ctx); return formatter<basic_string_view<Char>, Char>::format(str, ctx);
return ctx.out();
} }
}; };
template <typename Char> template <typename Char>
inline void vprint( inline void vprint(std::basic_ostream<Char> &os,
std::basic_ostream<Char> &os, basic_string_view<Char> format_str, basic_format_args<typename buffer_context<Char>::type> args) basic_string_view<Char> format_str,
{ basic_format_args<typename buffer_context<Char>::type> args) {
basic_memory_buffer<Char> buffer; basic_memory_buffer<Char> buffer;
vformat_to(buffer, format_str, args); vformat_to(buffer, format_str, args);
internal::write(os, buffer); internal::write(os, buffer);
@ -158,14 +142,14 @@ inline void vprint(
\endrst \endrst
*/ */
template <typename... Args> template <typename... Args>
inline void print(std::ostream &os, string_view format_str, const Args &... 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...)); vprint<char>(os, format_str, make_format_args<format_context>(args...));
} }
template <typename... Args> template <typename... Args>
inline void print(std::wostream &os, wstring_view format_str, const Args &... 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...)); vprint<wchar_t>(os, format_str, make_format_args<wformat_context>(args...));
} }
FMT_END_NAMESPACE FMT_END_NAMESPACE

240
include/spdlog/fmt/bundled/posix.h
View File

@ -53,8 +53,7 @@
// equals to EINTR. // equals to EINTR.
#ifndef _WIN32 #ifndef _WIN32
# define FMT_RETRY_VAL(result, expression, error_result) \ # define FMT_RETRY_VAL(result, expression, error_result) \
do \ do { \
{ \
result = (expression); \ result = (expression); \
} while (result == error_result && errno == EINTR) } while (result == error_result && errno == EINTR)
#else #else
@ -91,65 +90,47 @@ FMT_BEGIN_NAMESPACE
\endrst \endrst
*/ */
template <typename Char> template <typename Char>
class basic_cstring_view class basic_cstring_view {
{
private: private:
const Char *data_; const Char *data_;
public: public:
/** Constructs a string reference object from a C string. */ /** Constructs a string reference object from a C string. */
basic_cstring_view(const Char *s) basic_cstring_view(const Char *s) : data_(s) {}
: data_(s)
{
}
/** /**
\rst \rst
Constructs a string reference from an ``std::string`` object. Constructs a string reference from an ``std::string`` object.
\endrst \endrst
*/ */
basic_cstring_view(const std::basic_string<Char> &s) basic_cstring_view(const std::basic_string<Char> &s) : data_(s.c_str()) {}
: data_(s.c_str())
{
}
/** Returns the pointer to a C string. */ /** Returns the pointer to a C string. */
const Char *c_str() const const Char *c_str() const { return data_; }
{
return data_;
}
}; };
typedef basic_cstring_view<char> cstring_view; typedef basic_cstring_view<char> cstring_view;
typedef basic_cstring_view<wchar_t> wcstring_view; typedef basic_cstring_view<wchar_t> wcstring_view;
// An error code. // An error code.
class error_code class error_code {
{
private: private:
int value_; int value_;
public: public:
explicit error_code(int value = 0) FMT_NOEXCEPT : value_(value) {} explicit error_code(int value = 0) FMT_NOEXCEPT : value_(value) {}
int get() const FMT_NOEXCEPT int get() const FMT_NOEXCEPT { return value_; }
{
return value_;
}
}; };
// A buffered file. // A buffered file.
class buffered_file class buffered_file {
{
private: private:
FILE *file_; FILE *file_;
friend class file; friend class file;
explicit buffered_file(FILE *f) explicit buffered_file(FILE *f) : file_(f) {}
: file_(f)
{
}
public: public:
// Constructs a buffered_file object which doesn't represent any file. // Constructs a buffered_file object which doesn't represent any file.
@ -158,73 +139,23 @@ public:
// Destroys the object closing the file it represents if any. // Destroys the object closing the file it represents if any.
FMT_API ~buffered_file() FMT_DTOR_NOEXCEPT; FMT_API ~buffered_file() FMT_DTOR_NOEXCEPT;
#if !FMT_USE_RVALUE_REFERENCES
// Emulate a move constructor and a move assignment operator if rvalue
// references are not supported.
private: private:
// A proxy object to emulate a move constructor. buffered_file(const buffered_file &) = delete;
// It is private to make it impossible call operator Proxy directly. void operator=(const buffered_file &) = delete;
struct Proxy
{
FILE *file;
};
public: public:
// A "move constructor" for moving from a temporary. buffered_file(buffered_file &&other) FMT_NOEXCEPT : file_(other.file_) {
buffered_file(Proxy p) FMT_NOEXCEPT : file_(p.file) {} other.file_ = FMT_NULL;
// A "move constructor" for moving from an lvalue.
buffered_file(buffered_file &f) FMT_NOEXCEPT : file_(f.file_)
{
f.file_ = FMT_NULL;
} }
// A "move assignment operator" for moving from a temporary. buffered_file& operator=(buffered_file &&other) {
buffered_file &operator=(Proxy p)
{
close();
file_ = p.file;
return *this;
}
// A "move assignment operator" for moving from an lvalue.
buffered_file &operator=(buffered_file &other)
{
close(); close();
file_ = other.file_; file_ = other.file_;
other.file_ = FMT_NULL; other.file_ = FMT_NULL;
return *this; return *this;
} }
// Returns a proxy object for moving from a temporary:
// buffered_file file = buffered_file(...);
operator Proxy() FMT_NOEXCEPT
{
Proxy p = {file_};
file_ = FMT_NULL;
return p;
}
#else
private:
FMT_DISALLOW_COPY_AND_ASSIGN(buffered_file);
public:
buffered_file(buffered_file &&other) FMT_NOEXCEPT : file_(other.file_)
{
other.file_ = FMT_NULL;
}
buffered_file &operator=(buffered_file &&other)
{
close();
file_ = other.file_;
other.file_ = FMT_NULL;
return *this;
}
#endif
// Opens a file. // Opens a file.
FMT_API buffered_file(cstring_view filename, cstring_view mode); FMT_API buffered_file(cstring_view filename, cstring_view mode);
@ -232,23 +163,18 @@ public:
FMT_API void close(); FMT_API void close();
// Returns the pointer to a FILE object representing this file. // Returns the pointer to a FILE object representing this file.
FILE *get() const FMT_NOEXCEPT FILE *get() const FMT_NOEXCEPT { return file_; }
{
return file_;
}
// We place parentheses around fileno to workaround a bug in some versions // We place parentheses around fileno to workaround a bug in some versions
// of MinGW that define fileno as a macro. // of MinGW that define fileno as a macro.
FMT_API int (fileno)() const; FMT_API int (fileno)() const;
void vprint(string_view format_str, format_args args) void vprint(string_view format_str, format_args args) {
{
fmt::vprint(file_, format_str, args); fmt::vprint(file_, format_str, args);
} }
template <typename... Args> template <typename... Args>
inline void print(string_view format_str, const Args &... args) inline void print(string_view format_str, const Args & ... args) {
{
vprint(format_str, make_format_args(args...)); vprint(format_str, make_format_args(args...));
} }
}; };
@ -259,21 +185,16 @@ public:
// closing the file multiple times will cause a crash on Windows rather // closing the file multiple times will cause a crash on Windows rather
// than an exception. You can get standard behavior by overriding the // than an exception. You can get standard behavior by overriding the
// invalid parameter handler with _set_invalid_parameter_handler. // invalid parameter handler with _set_invalid_parameter_handler.
class file class file {
{
private: private:
int fd_; // File descriptor. int fd_; // File descriptor.
// Constructs a file object with a given descriptor. // Constructs a file object with a given descriptor.
explicit file(int fd) explicit file(int fd) : fd_(fd) {}
: fd_(fd)
{
}
public: public:
// Possible values for the oflag argument to the constructor. // Possible values for the oflag argument to the constructor.
enum enum {
{
RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only. RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only. WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
RDWR = FMT_POSIX(O_RDWR) // Open for reading and writing. RDWR = FMT_POSIX(O_RDWR) // Open for reading and writing.
@ -285,81 +206,27 @@ public:
// Opens a file and constructs a file object representing this file. // Opens a file and constructs a file object representing this file.
FMT_API file(cstring_view path, int oflag); FMT_API file(cstring_view path, int oflag);
#if !FMT_USE_RVALUE_REFERENCES
// Emulate a move constructor and a move assignment operator if rvalue
// references are not supported.
private: private:
// A proxy object to emulate a move constructor. file(const file &) = delete;
// It is private to make it impossible call operator Proxy directly. void operator=(const file &) = delete;
struct Proxy
{
int fd;
};
public: public:
// A "move constructor" for moving from a temporary. file(file &&other) FMT_NOEXCEPT : fd_(other.fd_) {
file(Proxy p) FMT_NOEXCEPT : fd_(p.fd) {}
// A "move constructor" for moving from an lvalue.
file(file &other) FMT_NOEXCEPT : fd_(other.fd_)
{
other.fd_ = -1; other.fd_ = -1;
} }
// A "move assignment operator" for moving from a temporary. file& operator=(file &&other) {
file &operator=(Proxy p)
{
close();
fd_ = p.fd;
return *this;
}
// A "move assignment operator" for moving from an lvalue.
file &operator=(file &other)
{
close(); close();
fd_ = other.fd_; fd_ = other.fd_;
other.fd_ = -1; other.fd_ = -1;
return *this; return *this;
} }
// Returns a proxy object for moving from a temporary:
// file f = file(...);
operator Proxy() FMT_NOEXCEPT
{
Proxy p = {fd_};
fd_ = -1;
return p;
}
#else
private:
FMT_DISALLOW_COPY_AND_ASSIGN(file);
public:
file(file &&other) FMT_NOEXCEPT : fd_(other.fd_)
{
other.fd_ = -1;
}
file &operator=(file &&other)
{
close();
fd_ = other.fd_;
other.fd_ = -1;
return *this;
}
#endif
// Destroys the object closing the file it represents if any. // Destroys the object closing the file it represents if any.
FMT_API ~file() FMT_DTOR_NOEXCEPT; FMT_API ~file() FMT_DTOR_NOEXCEPT;
// Returns the file descriptor. // Returns the file descriptor.
int descriptor() const FMT_NOEXCEPT int descriptor() const FMT_NOEXCEPT { return fd_; }
{
return fd_;
}
// Closes the file. // Closes the file.
FMT_API void close(); FMT_API void close();
@ -398,66 +265,53 @@ public:
// Returns the memory page size. // Returns the memory page size.
long getpagesize(); long getpagesize();
#if (defined(LC_NUMERIC_MASK) || defined(_MSC_VER)) && !defined(__ANDROID__) && !defined(__CYGWIN__) && !defined(__OpenBSD__) #if (defined(LC_NUMERIC_MASK) || defined(_MSC_VER)) && \
!defined(__ANDROID__) && !defined(__CYGWIN__) && !defined(__OpenBSD__) && \
!defined(__NEWLIB_H__)
# define FMT_LOCALE # define FMT_LOCALE
#endif #endif
#ifdef FMT_LOCALE #ifdef FMT_LOCALE
// A "C" numeric locale. // A "C" numeric locale.
class Locale class Locale {
{
private: private:
# ifdef _MSC_VER # ifdef _MSC_VER
typedef _locale_t locale_t; typedef _locale_t locale_t;
enum enum { LC_NUMERIC_MASK = LC_NUMERIC };
{
LC_NUMERIC_MASK = LC_NUMERIC
};
static locale_t newlocale(int category_mask, const char *locale, locale_t) static locale_t newlocale(int category_mask, const char *locale, locale_t) {
{
return _create_locale(category_mask, locale); return _create_locale(category_mask, locale);
} }
static void freelocale(locale_t locale) static void freelocale(locale_t locale) {
{
_free_locale(locale); _free_locale(locale);
} }
static double strtod_l(const char *nptr, char **endptr, _locale_t locale) static double strtod_l(const char *nptr, char **endptr, _locale_t locale) {
{
return _strtod_l(nptr, endptr, locale); return _strtod_l(nptr, endptr, locale);
} }
# endif # endif
locale_t locale_; locale_t locale_;
FMT_DISALLOW_COPY_AND_ASSIGN(Locale); Locale(const Locale &) = delete;
void operator=(const Locale &) = delete;
public: public:
typedef locale_t Type; typedef locale_t Type;
Locale() Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", FMT_NULL)) {
: locale_(newlocale(LC_NUMERIC_MASK, "C", FMT_NULL))
{
if (!locale_) if (!locale_)
FMT_THROW(system_error(errno, "cannot create locale")); FMT_THROW(system_error(errno, "cannot create locale"));
} }
~Locale() ~Locale() { freelocale(locale_); }
{
freelocale(locale_);
}
Type get() const Type get() const { return locale_; }
{
return locale_;
}
// Converts string to floating-point number and advances str past the end // Converts string to floating-point number and advances str past the end
// of the parsed input. // of the parsed input.
double strtod(const char *&str) const double strtod(const char *&str) const {
{
char *end = FMT_NULL; char *end = FMT_NULL;
double result = strtod_l(str, &end, locale_); double result = strtod_l(str, &end, locale_);
str = end; str = end;
@ -467,18 +321,4 @@ public:
#endif // FMT_LOCALE #endif // FMT_LOCALE
FMT_END_NAMESPACE FMT_END_NAMESPACE
#if !FMT_USE_RVALUE_REFERENCES
namespace std {
// For compatibility with C++98.
inline fmt::buffered_file &move(fmt::buffered_file &f)
{
return f;
}
inline fmt::file &move(fmt::file &f)
{
return f;
}
} // namespace std
#endif
#endif // FMT_POSIX_H_ #endif // FMT_POSIX_H_

449
include/spdlog/fmt/bundled/printf.h
View File

@ -19,84 +19,64 @@ namespace internal {
// Checks if a value fits in int - used to avoid warnings about comparing // Checks if a value fits in int - used to avoid warnings about comparing
// signed and unsigned integers. // signed and unsigned integers.
template <bool IsSigned> template <bool IsSigned>
struct int_checker struct int_checker {
{
template <typename T> template <typename T>
static bool fits_in_int(T value) static bool fits_in_int(T value) {
{
unsigned max = std::numeric_limits<int>::max(); unsigned max = std::numeric_limits<int>::max();
return value <= max; return value <= max;
} }
static bool fits_in_int(bool) static bool fits_in_int(bool) { return true; }
{
return true;
}
}; };
template <> template <>
struct int_checker<true> struct int_checker<true> {
{
template <typename T> template <typename T>
static bool fits_in_int(T value) static bool fits_in_int(T value) {
{ return value >= std::numeric_limits<int>::min() &&
return value >= std::numeric_limits<int>::min() && value <= std::numeric_limits<int>::max(); value <= std::numeric_limits<int>::max();
}
static bool fits_in_int(int)
{
return true;
} }
static bool fits_in_int(int) { return true; }
}; };
class printf_precision_handler : public function<int> class printf_precision_handler: public function<int> {
{
public: public:
template <typename T> template <typename T>
typename std::enable_if<std::is_integral<T>::value, int>::type operator()(T value) typename std::enable_if<std::is_integral<T>::value, int>::type
{ operator()(T value) {
if (!int_checker<std::numeric_limits<T>::is_signed>::fits_in_int(value)) if (!int_checker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
FMT_THROW(format_error("number is too big")); FMT_THROW(format_error("number is too big"));
return static_cast<int>(value); return static_cast<int>(value);
} }
template <typename T> template <typename T>
typename std::enable_if<!std::is_integral<T>::value, int>::type operator()(T) typename std::enable_if<!std::is_integral<T>::value, int>::type operator()(T) {
{
FMT_THROW(format_error("precision is not integer")); FMT_THROW(format_error("precision is not integer"));
return 0; return 0;
} }
}; };
// An argument visitor that returns true iff arg is a zero integer. // An argument visitor that returns true iff arg is a zero integer.
class is_zero_int : public function<bool> class is_zero_int: public function<bool> {
{
public: public:
template <typename T> template <typename T>
typename std::enable_if<std::is_integral<T>::value, bool>::type operator()(T value) typename std::enable_if<std::is_integral<T>::value, bool>::type
{ operator()(T value) { return value == 0; }
return value == 0;
}
template <typename T> template <typename T>
typename std::enable_if<!std::is_integral<T>::value, bool>::type operator()(T) typename std::enable_if<!std::is_integral<T>::value, bool>::type
{ operator()(T) { return false; }
return false;
}
}; };
template <typename T> template <typename T>
struct make_unsigned_or_bool : std::make_unsigned<T> struct make_unsigned_or_bool : std::make_unsigned<T> {};
{
};
template <> template <>
struct make_unsigned_or_bool<bool> struct make_unsigned_or_bool<bool> {
{
typedef bool type; typedef bool type;
}; };
template <typename T, typename Context> template <typename T, typename Context>
class arg_converter : public function<void> class arg_converter: public function<void> {
{
private: private:
typedef typename Context::char_type Char; typedef typename Context::char_type Char;
@ -105,54 +85,44 @@ private:
public: public:
arg_converter(basic_format_arg<Context> &arg, Char type) arg_converter(basic_format_arg<Context> &arg, Char type)
: arg_(arg) : arg_(arg), type_(type) {}
, type_(type)
{
}
void operator()(bool value) void operator()(bool value) {
{
if (type_ != 's') if (type_ != 's')
operator()<bool>(value); operator()<bool>(value);
} }
template <typename U> template <typename U>
typename std::enable_if<std::is_integral<U>::value>::type operator()(U value) typename std::enable_if<std::is_integral<U>::value>::type
{ operator()(U value) {
bool is_signed = type_ == 'd' || type_ == 'i'; bool is_signed = type_ == 'd' || type_ == 'i';
typedef typename std::conditional<std::is_same<T, void>::value, U, T>::type TargetType; typedef typename std::conditional<
if (const_check(sizeof(TargetType) <= sizeof(int))) std::is_same<T, void>::value, U, T>::type TargetType;
{ if (const_check(sizeof(TargetType) <= sizeof(int))) {
// Extra casts are used to silence warnings. // Extra casts are used to silence warnings.
if (is_signed) if (is_signed) {
{ arg_ = internal::make_arg<Context>(
arg_ = internal::make_arg<Context>(static_cast<int>(static_cast<TargetType>(value))); static_cast<int>(static_cast<TargetType>(value)));
} } else {
else
{
typedef typename make_unsigned_or_bool<TargetType>::type Unsigned; typedef typename make_unsigned_or_bool<TargetType>::type Unsigned;
arg_ = internal::make_arg<Context>(static_cast<unsigned>(static_cast<Unsigned>(value))); arg_ = internal::make_arg<Context>(
static_cast<unsigned>(static_cast<Unsigned>(value)));
} }
} } else {
else if (is_signed) {
{
if (is_signed)
{
// glibc's printf doesn't sign extend arguments of smaller types: // glibc's printf doesn't sign extend arguments of smaller types:
// std::printf("%lld", -42); // prints "4294967254" // std::printf("%lld", -42); // prints "4294967254"
// but we don't have to do the same because it's a UB. // but we don't have to do the same because it's a UB.
arg_ = internal::make_arg<Context>(static_cast<long long>(value)); arg_ = internal::make_arg<Context>(static_cast<long long>(value));
} } else {
else arg_ = internal::make_arg<Context>(
{ static_cast<typename make_unsigned_or_bool<U>::type>(value));
arg_ = internal::make_arg<Context>(static_cast<typename make_unsigned_or_bool<U>::type>(value));
} }
} }
} }
template <typename U> template <typename U>
typename std::enable_if<!std::is_integral<U>::value>::type operator()(U) typename std::enable_if<!std::is_integral<U>::value>::type operator()(U) {
{
// No coversion needed for non-integral types. // No coversion needed for non-integral types.
} }
}; };
@ -162,36 +132,28 @@ public:
// type depending on the type specifier: 'd' and 'i' - signed, other - // type depending on the type specifier: 'd' and 'i' - signed, other -
// unsigned). // unsigned).
template <typename T, typename Context, typename Char> template <typename T, typename Context, typename Char>
void convert_arg(basic_format_arg<Context> &arg, Char type) void convert_arg(basic_format_arg<Context> &arg, Char type) {
{
visit(arg_converter<T, Context>(arg, type), arg); visit(arg_converter<T, Context>(arg, type), arg);
} }
// Converts an integer argument to char for printf. // Converts an integer argument to char for printf.
template <typename Context> template <typename Context>
class char_converter : public function<void> class char_converter: public function<void> {
{
private: private:
basic_format_arg<Context> &arg_; basic_format_arg<Context> &arg_;
FMT_DISALLOW_COPY_AND_ASSIGN(char_converter);
public: public:
explicit char_converter(basic_format_arg<Context> &arg) explicit char_converter(basic_format_arg<Context> &arg) : arg_(arg) {}
: arg_(arg)
{
}
template <typename T> template <typename T>
typename std::enable_if<std::is_integral<T>::value>::type operator()(T value) typename std::enable_if<std::is_integral<T>::value>::type
{ operator()(T value) {
typedef typename Context::char_type Char; typedef typename Context::char_type Char;
arg_ = internal::make_arg<Context>(static_cast<Char>(value)); arg_ = internal::make_arg<Context>(static_cast<Char>(value));
} }
template <typename T> template <typename T>
typename std::enable_if<!std::is_integral<T>::value>::type operator()(T) typename std::enable_if<!std::is_integral<T>::value>::type operator()(T) {
{
// No coversion needed for non-integral types. // No coversion needed for non-integral types.
} }
}; };
@ -199,28 +161,21 @@ public:
// Checks if an argument is a valid printf width specifier and sets // Checks if an argument is a valid printf width specifier and sets
// left alignment if it is negative. // left alignment if it is negative.
template <typename Char> template <typename Char>
class printf_width_handler : public function<unsigned> class printf_width_handler: public function<unsigned> {
{
private: private:
typedef basic_format_specs<Char> format_specs; typedef basic_format_specs<Char> format_specs;
format_specs &spec_; format_specs &spec_;
FMT_DISALLOW_COPY_AND_ASSIGN(printf_width_handler);
public: public:
explicit printf_width_handler(format_specs &spec) explicit printf_width_handler(format_specs &spec) : spec_(spec) {}
: spec_(spec)
{
}
template <typename T> template <typename T>
typename std::enable_if<std::is_integral<T>::value, unsigned>::type operator()(T value) typename std::enable_if<std::is_integral<T>::value, unsigned>::type
{ operator()(T value) {
typedef typename internal::int_traits<T>::main_type UnsignedType; typedef typename internal::int_traits<T>::main_type UnsignedType;
UnsignedType width = static_cast<UnsignedType>(value); UnsignedType width = static_cast<UnsignedType>(value);
if (internal::is_negative(value)) if (internal::is_negative(value)) {
{
spec_.align_ = ALIGN_LEFT; spec_.align_ = ALIGN_LEFT;
width = 0 - width; width = 0 - width;
} }
@ -231,8 +186,8 @@ public:
} }
template <typename T> template <typename T>
typename std::enable_if<!std::is_integral<T>::value, unsigned>::type operator()(T) typename std::enable_if<!std::is_integral<T>::value, unsigned>::type
{ operator()(T) {
FMT_THROW(format_error("width is not integer")); FMT_THROW(format_error("width is not integer"));
return 0; return 0;
} }
@ -242,7 +197,10 @@ public:
template <typename Range> template <typename Range>
class printf_arg_formatter; class printf_arg_formatter;
template<typename OutputIt, typename Char, typename ArgFormatter = printf_arg_formatter<back_insert_range<internal::basic_buffer<Char>>>> template <
typename OutputIt, typename Char,
typename ArgFormatter =
printf_arg_formatter<back_insert_range<internal::basic_buffer<Char>>>>
class basic_printf_context; class basic_printf_context;
/** /**
@ -251,9 +209,10 @@ class basic_printf_context;
\endrst \endrst
*/ */
template <typename Range> template <typename Range>
class printf_arg_formatter : public internal::function<typename internal::arg_formatter_base<Range>::iterator>, class printf_arg_formatter:
public internal::arg_formatter_base<Range> public internal::function<
{ typename internal::arg_formatter_base<Range>::iterator>,
public internal::arg_formatter_base<Range> {
private: private:
typedef typename Range::value_type char_type; typedef typename Range::value_type char_type;
typedef decltype(internal::declval<Range>().begin()) iterator; typedef decltype(internal::declval<Range>().begin()) iterator;
@ -262,15 +221,13 @@ private:
context_type &context_; context_type &context_;
void write_null_pointer(char) void write_null_pointer(char) {
{ this->spec()->type_ = 0;
this->spec().type_ = 0;
this->write("(nil)"); this->write("(nil)");
} }
void write_null_pointer(wchar_t) void write_null_pointer(wchar_t) {
{ this->spec()->type_ = 0;
this->spec().type_ = 0;
this->write(L"(nil)"); this->write(L"(nil)");
} }
@ -284,53 +241,46 @@ public:
specifier information for standard argument types. specifier information for standard argument types.
\endrst \endrst
*/ */
printf_arg_formatter(internal::basic_buffer<char_type> &buffer, format_specs &spec, context_type &ctx) printf_arg_formatter(internal::basic_buffer<char_type> &buffer,
: base(back_insert_range<internal::basic_buffer<char_type>>(buffer), spec) format_specs &spec, context_type &ctx)
, context_(ctx) : base(back_insert_range<internal::basic_buffer<char_type>>(buffer), &spec),
{ context_(ctx) {}
}
template <typename T> template <typename T>
typename std::enable_if<std::is_integral<T>::value, iterator>::type operator()(T value) typename std::enable_if<std::is_integral<T>::value, iterator>::type
{ operator()(T value) {
// MSVC2013 fails to compile separate overloads for bool and char_type so // MSVC2013 fails to compile separate overloads for bool and char_type so
// use std::is_same instead. // use std::is_same instead.
if (std::is_same<T, bool>::value) if (std::is_same<T, bool>::value) {
{ format_specs &fmt_spec = *this->spec();
format_specs &fmt_spec = this->spec();
if (fmt_spec.type_ != 's') if (fmt_spec.type_ != 's')
return base::operator()(value ? 1 : 0); return base::operator()(value ? 1 : 0);
fmt_spec.type_ = 0; fmt_spec.type_ = 0;
this->write(value != 0); this->write(value != 0);
} } else if (std::is_same<T, char_type>::value) {
else if (std::is_same<T, char_type>::value) format_specs &fmt_spec = *this->spec();
{
format_specs &fmt_spec = this->spec();
if (fmt_spec.type_ && fmt_spec.type_ != 'c') if (fmt_spec.type_ && fmt_spec.type_ != 'c')
return (*this)(static_cast<int>(value)); return (*this)(static_cast<int>(value));
fmt_spec.flags_ = 0; fmt_spec.flags_ = 0;
fmt_spec.align_ = ALIGN_RIGHT; fmt_spec.align_ = ALIGN_RIGHT;
return base::operator()(value); return base::operator()(value);
} } else {
else
{
return base::operator()(value); return base::operator()(value);
} }
return this->out(); return this->out();
} }
template <typename T> template <typename T>
typename std::enable_if<std::is_floating_point<T>::value, iterator>::type operator()(T value) typename std::enable_if<std::is_floating_point<T>::value, iterator>::type
{ operator()(T value) {
return base::operator()(value); return base::operator()(value);
} }
/** Formats a null-terminated C string. */ /** Formats a null-terminated C string. */
iterator operator()(const char *value) iterator operator()(const char *value) {
{
if (value) if (value)
base::operator()(value); base::operator()(value);
else if (this->spec().type_ == 'p') else if (this->spec()->type_ == 'p')
write_null_pointer(char_type()); write_null_pointer(char_type());
else else
this->write("(null)"); this->write("(null)");
@ -338,57 +288,47 @@ public:
} }
/** Formats a null-terminated wide C string. */ /** Formats a null-terminated wide C string. */
iterator operator()(const wchar_t *value) iterator operator()(const wchar_t *value) {
{
if (value) if (value)
base::operator()(value); base::operator()(value);
else if (this->spec().type_ == 'p') else if (this->spec()->type_ == 'p')
write_null_pointer(char_type()); write_null_pointer(char_type());
else else
this->write(L"(null)"); this->write(L"(null)");
return this->out(); return this->out();
} }
iterator operator()(basic_string_view<char_type> value) iterator operator()(basic_string_view<char_type> value) {
{
return base::operator()(value); return base::operator()(value);
} }
iterator operator()(monostate value) iterator operator()(monostate value) {
{
return base::operator()(value); return base::operator()(value);
} }
/** Formats a pointer. */ /** Formats a pointer. */
iterator operator()(const void *value) iterator operator()(const void *value) {
{
if (value) if (value)
return base::operator()(value); return base::operator()(value);
this->spec().type_ = 0; this->spec()->type_ = 0;
write_null_pointer(char_type()); write_null_pointer(char_type());
return this->out(); return this->out();
} }
/** Formats an argument of a custom (user-defined) type. */ /** Formats an argument of a custom (user-defined) type. */
iterator operator()(typename basic_format_arg<context_type>::handle handle) iterator operator()(typename basic_format_arg<context_type>::handle handle) {
{
handle.format(context_); handle.format(context_);
return this->out(); return this->out();
} }
}; };
template <typename T> template <typename T>
struct printf_formatter struct printf_formatter {
{
template <typename ParseContext> template <typename ParseContext>
auto parse(ParseContext &ctx) -> decltype(ctx.begin()) auto parse(ParseContext &ctx) -> decltype(ctx.begin()) { return ctx.begin(); }
{
return ctx.begin();
}
template <typename FormatContext> template <typename FormatContext>
auto format(const T &value, FormatContext &ctx) -> decltype(ctx.out()) auto format(const T &value, FormatContext &ctx) -> decltype(ctx.out()) {
{
internal::format_value(internal::get_container(ctx.out()), value); internal::format_value(internal::get_container(ctx.out()), value);
return ctx.out(); return ctx.out();
} }
@ -396,17 +336,17 @@ struct printf_formatter
/** This template formats data and writes the output to a writer. */ /** This template formats data and writes the output to a writer. */
template <typename OutputIt, typename Char, typename ArgFormatter> template <typename OutputIt, typename Char, typename ArgFormatter>
class basic_printf_context : private internal::context_base<OutputIt, basic_printf_context<OutputIt, Char, ArgFormatter>, Char> class basic_printf_context :
{ // Inherit publicly as a workaround for the icc bug
// https://software.intel.com/en-us/forums/intel-c-compiler/topic/783476.
public internal::context_base<
OutputIt, basic_printf_context<OutputIt, Char, ArgFormatter>, Char> {
public: public:
/** The character type for the output. */ /** The character type for the output. */
typedef Char char_type; typedef Char char_type;
template <typename T> template <typename T>
struct formatter_type struct formatter_type { typedef printf_formatter<T> type; };
{
typedef printf_formatter<T> type;
};
private: private:
typedef internal::context_base<OutputIt, basic_printf_context, Char> base; typedef internal::context_base<OutputIt, basic_printf_context, Char> base;
@ -418,7 +358,9 @@ private:
// Returns the argument with specified index or, if arg_index is equal // Returns the argument with specified index or, if arg_index is equal
// to the maximum unsigned value, the next argument. // to the maximum unsigned value, the next argument.
format_arg get_arg(iterator it, unsigned arg_index = (std::numeric_limits<unsigned>::max)()); format_arg get_arg(
iterator it,
unsigned arg_index = (std::numeric_limits<unsigned>::max)());
// Parses argument index, flags and width and returns the argument index. // Parses argument index, flags and width and returns the argument index.
unsigned parse_header(iterator &it, format_specs &spec); unsigned parse_header(iterator &it, format_specs &spec);
@ -431,26 +373,23 @@ public:
appropriate lifetimes. appropriate lifetimes.
\endrst \endrst
*/ */
basic_printf_context(OutputIt out, basic_string_view<char_type> format_str, basic_format_args<basic_printf_context> args) basic_printf_context(OutputIt out, basic_string_view<char_type> format_str,
: base(out, format_str, args) basic_format_args<basic_printf_context> args)
{ : base(out, format_str, args) {}
}
using base::advance_to;
using base::out;
using base::parse_context; using base::parse_context;
using base::out;
using base::advance_to;
/** Formats stored arguments and writes the output to the range. */ /** Formats stored arguments and writes the output to the range. */
void format(); void format();
}; };
template <typename OutputIt, typename Char, typename AF> template <typename OutputIt, typename Char, typename AF>
void basic_printf_context<OutputIt, Char, AF>::parse_flags(format_specs &spec, iterator &it) void basic_printf_context<OutputIt, Char, AF>::parse_flags(
{ format_specs &spec, iterator &it) {
for (;;) for (;;) {
{ switch (*it++) {
switch (*it++)
{
case '-': case '-':
spec.align_ = ALIGN_LEFT; spec.align_ = ALIGN_LEFT;
break; break;
@ -474,9 +413,9 @@ void basic_printf_context<OutputIt, Char, AF>::parse_flags(format_specs &spec, i
} }
template <typename OutputIt, typename Char, typename AF> template <typename OutputIt, typename Char, typename AF>
typename basic_printf_context<OutputIt, Char, AF>::format_arg basic_printf_context<OutputIt, Char, AF>::get_arg( typename basic_printf_context<OutputIt, Char, AF>::format_arg
iterator it, unsigned arg_index) basic_printf_context<OutputIt, Char, AF>::get_arg(
{ iterator it, unsigned arg_index) {
(void)it; (void)it;
if (arg_index == std::numeric_limits<unsigned>::max()) if (arg_index == std::numeric_limits<unsigned>::max())
return this->do_get_arg(this->parse_context().next_arg_id()); return this->do_get_arg(this->parse_context().next_arg_id());
@ -484,27 +423,22 @@ typename basic_printf_context<OutputIt, Char, AF>::format_arg basic_printf_conte
} }
template <typename OutputIt, typename Char, typename AF> template <typename OutputIt, typename Char, typename AF>
unsigned basic_printf_context<OutputIt, Char, AF>::parse_header(iterator &it, format_specs &spec) unsigned basic_printf_context<OutputIt, Char, AF>::parse_header(
{ iterator &it, format_specs &spec) {
unsigned arg_index = std::numeric_limits<unsigned>::max(); unsigned arg_index = std::numeric_limits<unsigned>::max();
char_type c = *it; char_type c = *it;
if (c >= '0' && c <= '9') if (c >= '0' && c <= '9') {
{
// Parse an argument index (if followed by '$') or a width possibly // Parse an argument index (if followed by '$') or a width possibly
// preceded with '0' flag(s). // preceded with '0' flag(s).
internal::error_handler eh; internal::error_handler eh;
unsigned value = parse_nonnegative_int(it, eh); unsigned value = parse_nonnegative_int(it, eh);
if (*it == '$') if (*it == '$') { // value is an argument index
{ // value is an argument index
++it; ++it;
arg_index = value; arg_index = value;
} } else {
else
{
if (c == '0') if (c == '0')
spec.fill_ = '0'; spec.fill_ = '0';
if (value != 0) if (value != 0) {
{
// Nonzero value means that we parsed width and don't need to // Nonzero value means that we parsed width and don't need to
// parse it or flags again, so return now. // parse it or flags again, so return now.
spec.width_ = value; spec.width_ = value;
@ -514,33 +448,27 @@ unsigned basic_printf_context<OutputIt, Char, AF>::parse_header(iterator &it, fo
} }
parse_flags(spec, it); parse_flags(spec, it);
// Parse width. // Parse width.
if (*it >= '0' && *it <= '9') if (*it >= '0' && *it <= '9') {
{
internal::error_handler eh; internal::error_handler eh;
spec.width_ = parse_nonnegative_int(it, eh); spec.width_ = parse_nonnegative_int(it, eh);
} } else if (*it == '*') {
else if (*it == '*')
{
++it; ++it;
spec.width_ = visit(internal::printf_width_handler<char_type>(spec), get_arg(it)); spec.width_ =
visit(internal::printf_width_handler<char_type>(spec), get_arg(it));
} }
return arg_index; return arg_index;
} }
template <typename OutputIt, typename Char, typename AF> template <typename OutputIt, typename Char, typename AF>
void basic_printf_context<OutputIt, Char, AF>::format() void basic_printf_context<OutputIt, Char, AF>::format() {
{
auto &buffer = internal::get_container(this->out()); auto &buffer = internal::get_container(this->out());
auto start = iterator(this->parse_context()); auto start = iterator(this->parse_context());
auto it = start; auto it = start;
using internal::pointer_from; using internal::pointer_from;
while (*it) while (*it) {
{
char_type c = *it++; char_type c = *it++;
if (c != '%') if (c != '%') continue;
continue; if (*it == c) {
if (*it == c)
{
buffer.append(pointer_from(start), pointer_from(it)); buffer.append(pointer_from(start), pointer_from(it));
start = ++it; start = ++it;
continue; continue;
@ -554,21 +482,16 @@ void basic_printf_context<OutputIt, Char, AF>::format()
unsigned arg_index = parse_header(it, spec); unsigned arg_index = parse_header(it, spec);
// Parse precision. // Parse precision.
if (*it == '.') if (*it == '.') {
{
++it; ++it;
if ('0' <= *it && *it <= '9') if ('0' <= *it && *it <= '9') {
{
internal::error_handler eh; internal::error_handler eh;
spec.precision_ = static_cast<int>(parse_nonnegative_int(it, eh)); spec.precision_ = static_cast<int>(parse_nonnegative_int(it, eh));
} } else if (*it == '*') {
else if (*it == '*')
{
++it; ++it;
spec.precision_ = visit(internal::printf_precision_handler(), get_arg(it)); spec.precision_ =
} visit(internal::printf_precision_handler(), get_arg(it));
else } else {
{
spec.precision_ = 0; spec.precision_ = 0;
} }
} }
@ -576,8 +499,7 @@ void basic_printf_context<OutputIt, Char, AF>::format()
format_arg arg = get_arg(it, arg_index); format_arg arg = get_arg(it, arg_index);
if (spec.flag(HASH_FLAG) && visit(internal::is_zero_int(), arg)) if (spec.flag(HASH_FLAG) && visit(internal::is_zero_int(), arg))
spec.flags_ &= ~internal::to_unsigned<int>(HASH_FLAG); spec.flags_ &= ~internal::to_unsigned<int>(HASH_FLAG);
if (spec.fill_ == '0') if (spec.fill_ == '0') {
{
if (arg.is_arithmetic()) if (arg.is_arithmetic())
spec.align_ = ALIGN_NUMERIC; spec.align_ = ALIGN_NUMERIC;
else else
@ -586,8 +508,7 @@ void basic_printf_context<OutputIt, Char, AF>::format()
// Parse length and convert the argument to the required type. // Parse length and convert the argument to the required type.
using internal::convert_arg; using internal::convert_arg;
switch (*it++) switch (*it++) {
{
case 'h': case 'h':
if (*it == 'h') if (*it == 'h')
convert_arg<signed char>(arg, *++it); convert_arg<signed char>(arg, *++it);
@ -622,13 +543,10 @@ void basic_printf_context<OutputIt, Char, AF>::format()
if (!*it) if (!*it)
FMT_THROW(format_error("invalid format string")); FMT_THROW(format_error("invalid format string"));
spec.type_ = static_cast<char>(*it++); spec.type_ = static_cast<char>(*it++);
if (arg.is_integral()) if (arg.is_integral()) {
{
// Normalize type. // Normalize type.
switch (spec.type_) switch (spec.type_) {
{ case 'i': case 'u':
case 'i':
case 'u':
spec.type_ = 'd'; spec.type_ = 'd';
break; break;
case 'c': case 'c':
@ -647,27 +565,27 @@ void basic_printf_context<OutputIt, Char, AF>::format()
} }
template <typename Char, typename Context> template <typename Char, typename Context>
void printf(internal::basic_buffer<Char> &buf, basic_string_view<Char> format, basic_format_args<Context> args) void printf(internal::basic_buffer<Char> &buf, basic_string_view<Char> format,
{ basic_format_args<Context> args) {
Context(std::back_inserter(buf), format, args).format(); Context(std::back_inserter(buf), format, args).format();
} }
template <typename Buffer> template <typename Buffer>
struct printf_context struct printf_context {
{ typedef basic_printf_context<
typedef basic_printf_context<std::back_insert_iterator<Buffer>, typename Buffer::value_type> type; std::back_insert_iterator<Buffer>, typename Buffer::value_type> type;
}; };
template <typename ...Args> template <typename ...Args>
inline format_arg_store<printf_context<internal::buffer>::type, Args...> make_printf_args(const Args &... args) inline format_arg_store<printf_context<internal::buffer>::type, Args...>
{ make_printf_args(const Args & ... args) {
return format_arg_store<printf_context<internal::buffer>::type, Args...>(args...); return format_arg_store<printf_context<internal::buffer>::type, Args...>(
args...);
} }
typedef basic_format_args<printf_context<internal::buffer>::type> printf_args; typedef basic_format_args<printf_context<internal::buffer>::type> printf_args;
typedef basic_format_args<printf_context<internal::wbuffer>::type> wprintf_args; typedef basic_format_args<printf_context<internal::wbuffer>::type> wprintf_args;
inline std::string vsprintf(string_view format, printf_args args) inline std::string vsprintf(string_view format, printf_args args) {
{
memory_buffer buffer; memory_buffer buffer;
printf(buffer, format, args); printf(buffer, format, args);
return to_string(buffer); return to_string(buffer);
@ -683,32 +601,32 @@ inline std::string vsprintf(string_view format, printf_args args)
\endrst \endrst
*/ */
template <typename... Args> template <typename... Args>
inline std::string sprintf(string_view format_str, const Args &... args) inline std::string sprintf(string_view format_str, const Args & ... args) {
{ return vsprintf(format_str,
return vsprintf(format_str, make_format_args<typename printf_context<internal::buffer>::type>(args...)); make_format_args<typename printf_context<internal::buffer>::type>(args...));
} }
inline std::wstring vsprintf(wstring_view format, wprintf_args args) inline std::wstring vsprintf(wstring_view format, wprintf_args args) {
{
wmemory_buffer buffer; wmemory_buffer buffer;
printf(buffer, format, args); printf(buffer, format, args);
return to_string(buffer); return to_string(buffer);
} }
template <typename... Args> template <typename... Args>
inline std::wstring sprintf(wstring_view format_str, const Args &... args) inline std::wstring sprintf(wstring_view format_str, const Args & ... args) {
{ return vsprintf(format_str,
return vsprintf(format_str, make_format_args<typename printf_context<internal::wbuffer>::type>(args...)); make_format_args<typename printf_context<internal::wbuffer>::type>(args...));
} }
template <typename Char> template <typename Char>
inline int vfprintf( inline int vfprintf(std::FILE *f, basic_string_view<Char> format,
std::FILE *f, basic_string_view<Char> format, basic_format_args<typename printf_context<internal::basic_buffer<Char>>::type> args) basic_format_args<typename printf_context<
{ internal::basic_buffer<Char>>::type> args) {
basic_memory_buffer<Char> buffer; basic_memory_buffer<Char> buffer;
printf(buffer, format, args); printf(buffer, format, args);
std::size_t size = buffer.size(); std::size_t size = buffer.size();
return std::fwrite(buffer.data(), sizeof(Char), size, f) < size ? -1 : static_cast<int>(size); return std::fwrite(
buffer.data(), sizeof(Char), size, f) < size ? -1 : static_cast<int>(size);
} }
/** /**
@ -721,25 +639,24 @@ inline int vfprintf(
\endrst \endrst
*/ */
template <typename... Args> template <typename... Args>
inline int fprintf(std::FILE *f, string_view format_str, const Args &... args) inline int fprintf(std::FILE *f, string_view format_str, const Args & ... args) {
{ auto vargs = make_format_args<
auto vargs = make_format_args<typename printf_context<internal::buffer>::type>(args...); typename printf_context<internal::buffer>::type>(args...);
return vfprintf<char>(f, format_str, vargs); return vfprintf<char>(f, format_str, vargs);
} }
template <typename... Args> template <typename... Args>
inline int fprintf(std::FILE *f, wstring_view format_str, const Args &... args) inline int fprintf(std::FILE *f, wstring_view format_str,
{ const Args & ... args) {
return vfprintf(f, format_str, make_format_args<typename printf_context<internal::wbuffer>::type>(args...)); return vfprintf(f, format_str,
make_format_args<typename printf_context<internal::wbuffer>::type>(args...));
} }
inline int vprintf(string_view format, printf_args args) inline int vprintf(string_view format, printf_args args) {
{
return vfprintf(stdout, format, args); return vfprintf(stdout, format, args);
} }
inline int vprintf(wstring_view format, wprintf_args args) inline int vprintf(wstring_view format, wprintf_args args) {
{
return vfprintf(stdout, format, args); return vfprintf(stdout, format, args);
} }
@ -753,27 +670,27 @@ inline int vprintf(wstring_view format, wprintf_args args)
\endrst \endrst
*/ */
template <typename... Args> template <typename... Args>
inline int printf(string_view format_str, const Args &... args) inline int printf(string_view format_str, const Args & ... args) {
{ return vprintf(format_str,
return vprintf(format_str, make_format_args<typename printf_context<internal::buffer>::type>(args...)); make_format_args<typename printf_context<internal::buffer>::type>(args...));
} }
template <typename... Args> template <typename... Args>
inline int printf(wstring_view format_str, const Args &... args) inline int printf(wstring_view format_str, const Args & ... args) {
{ return vprintf(format_str,
return vprintf(format_str, make_format_args<typename printf_context<internal::wbuffer>::type>(args...)); make_format_args<typename printf_context<internal::wbuffer>::type>(args...));
} }
inline int vfprintf(std::ostream &os, string_view format_str, printf_args args) inline int vfprintf(std::ostream &os, string_view format_str,
{ printf_args args) {
memory_buffer buffer; memory_buffer buffer;
printf(buffer, format_str, args); printf(buffer, format_str, args);
internal::write(os, buffer); internal::write(os, buffer);
return static_cast<int>(buffer.size()); return static_cast<int>(buffer.size());
} }
inline int vfprintf(std::wostream &os, wstring_view format_str, wprintf_args args) inline int vfprintf(std::wostream &os, wstring_view format_str,
{ wprintf_args args) {
wmemory_buffer buffer; wmemory_buffer buffer;
printf(buffer, format_str, args); printf(buffer, format_str, args);
internal::write(os, buffer); internal::write(os, buffer);
@ -790,16 +707,18 @@ inline int vfprintf(std::wostream &os, wstring_view format_str, wprintf_args arg
\endrst \endrst
*/ */
template <typename... Args> template <typename... Args>
inline int fprintf(std::ostream &os, string_view format_str, const Args &... args) inline int fprintf(std::ostream &os, string_view format_str,
{ const Args & ... args) {
auto vargs = make_format_args<typename printf_context<internal::buffer>::type>(args...); auto vargs = make_format_args<
typename printf_context<internal::buffer>::type>(args...);
return vfprintf(os, format_str, vargs); return vfprintf(os, format_str, vargs);
} }
template <typename... Args> template <typename... Args>
inline int fprintf(std::wostream &os, wstring_view format_str, const Args &... args) inline int fprintf(std::wostream &os, wstring_view format_str,
{ const Args & ... args) {
auto vargs = make_format_args<typename printf_context<internal::buffer>::type>(args...); auto vargs = make_format_args<
typename printf_context<internal::buffer>::type>(args...);
return vfprintf(os, format_str, vargs); return vfprintf(os, format_str, vargs);
} }
FMT_END_NAMESPACE FMT_END_NAMESPACE

203
include/spdlog/fmt/bundled/ranges.h
View File

@ -23,45 +23,31 @@
FMT_BEGIN_NAMESPACE FMT_BEGIN_NAMESPACE
template <typename Char> template <typename Char>
struct formatting_base struct formatting_base {
{
template <typename ParseContext> template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
{
return ctx.begin(); return ctx.begin();
} }
}; };
template <typename Char, typename Enable = void> template <typename Char, typename Enable = void>
struct formatting_range : formatting_base<Char> struct formatting_range : formatting_base<Char> {
{ static FMT_CONSTEXPR_DECL const std::size_t range_length_limit =
static FMT_CONSTEXPR_DECL const std::size_t range_length_limit = FMT_RANGE_OUTPUT_LENGTH_LIMIT; // output only up to N items from the FMT_RANGE_OUTPUT_LENGTH_LIMIT; // output only up to N items from the range.
// range.
Char prefix; Char prefix;
Char delimiter; Char delimiter;
Char postfix; Char postfix;
formatting_range() formatting_range() : prefix('{'), delimiter(','), postfix('}') {}
: prefix('{')
, delimiter(',')
, postfix('}')
{
}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true; static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false; static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
}; };
template <typename Char, typename Enable = void> template <typename Char, typename Enable = void>
struct formatting_tuple : formatting_base<Char> struct formatting_tuple : formatting_base<Char> {
{
Char prefix; Char prefix;
Char delimiter; Char delimiter;
Char postfix; Char postfix;
formatting_tuple() formatting_tuple() : prefix('('), delimiter(','), postfix(')') {}
: prefix('(')
, delimiter(',')
, postfix(')')
{
}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true; static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false; static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
}; };
@ -69,71 +55,66 @@ struct formatting_tuple : formatting_base<Char>
namespace internal { namespace internal {
template <typename RangeT, typename OutputIterator> template <typename RangeT, typename OutputIterator>
void copy(const RangeT &range, OutputIterator out) void copy(const RangeT &range, OutputIterator out) {
{
for (auto it = range.begin(), end = range.end(); it != end; ++it) for (auto it = range.begin(), end = range.end(); it != end; ++it)
*out++ = *it; *out++ = *it;
} }
template <typename OutputIterator> template <typename OutputIterator>
void copy(const char *str, OutputIterator out) void copy(const char *str, OutputIterator out) {
{
const char *p_curr = str; const char *p_curr = str;
while (*p_curr) while (*p_curr) {
{
*out++ = *p_curr++; *out++ = *p_curr++;
} }
} }
template <typename OutputIterator> template <typename OutputIterator>
void copy(char ch, OutputIterator out) void copy(char ch, OutputIterator out) {
{
*out++ = ch; *out++ = ch;
} }
/// Return true value if T has std::string interface, like std::string_view. /// Return true value if T has std::string interface, like std::string_view.
template <typename T> template <typename T>
class is_like_std_string class is_like_std_string {
{
template <typename U> template <typename U>
static auto check(U *p) -> decltype(p->find('a'), p->length(), p->data(), int()); static auto check(U *p) ->
decltype(p->find('a'), p->length(), p->data(), int());
template <typename> template <typename>
static void check(...); static void check(...);
public: public:
static FMT_CONSTEXPR_DECL const bool value = !std::is_void<decltype(check<T>(FMT_NULL))>::value; static FMT_CONSTEXPR_DECL const bool value =
!std::is_void<decltype(check<T>(FMT_NULL))>::value;
}; };
template <typename... Ts> template <typename... Ts>
struct conditional_helper struct conditional_helper {};
{
};
template <typename T, typename _ = void> template <typename T, typename _ = void>
struct is_range_ : std::false_type struct is_range_ : std::false_type {};
{
};
#if !FMT_MSC_VER || FMT_MSC_VER > 1800 #if !FMT_MSC_VER || FMT_MSC_VER > 1800
template <typename T> template <typename T>
struct is_range_<T, typename std::conditional<false, struct is_range_<T, typename std::conditional<
conditional_helper<decltype(internal::declval<T>().begin()), decltype(internal::declval<T>().end())>, void>::type> false,
: std::true_type conditional_helper<decltype(internal::declval<T>().begin()),
{ decltype(internal::declval<T>().end())>,
}; void>::type> : std::true_type {};
#endif #endif
/// tuple_size and tuple_element check. /// tuple_size and tuple_element check.
template <typename T> template <typename T>
class is_tuple_like_ class is_tuple_like_ {
{
template <typename U> template <typename U>
static auto check(U *p) -> decltype(std::tuple_size<U>::value, internal::declval<typename std::tuple_element<0, U>::type>(), int()); static auto check(U *p) ->
decltype(std::tuple_size<U>::value,
internal::declval<typename std::tuple_element<0, U>::type>(), int());
template <typename> template <typename>
static void check(...); static void check(...);
public: public:
static FMT_CONSTEXPR_DECL const bool value = !std::is_void<decltype(check<T>(FMT_NULL))>::value; static FMT_CONSTEXPR_DECL const bool value =
!std::is_void<decltype(check<T>(FMT_NULL))>::value;
}; };
// Check for integer_sequence // Check for integer_sequence
@ -146,12 +127,10 @@ template<std::size_t N>
using make_index_sequence = std::make_index_sequence<N>; using make_index_sequence = std::make_index_sequence<N>;
#else #else
template <typename T, T... N> template <typename T, T... N>
struct integer_sequence struct integer_sequence {
{
typedef T value_type; typedef T value_type;
static FMT_CONSTEXPR std::size_t size() static FMT_CONSTEXPR std::size_t size() {
{
return sizeof...(N); return sizeof...(N);
} }
}; };
@ -160,21 +139,16 @@ template<std::size_t... N>
using index_sequence = integer_sequence<std::size_t, N...>; using index_sequence = integer_sequence<std::size_t, N...>;
template <typename T, std::size_t N, T... Ns> template <typename T, std::size_t N, T... Ns>
struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, Ns...> struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, Ns...> {};
{
};
template <typename T, T... Ns> template <typename T, T... Ns>
struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...> struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...> {};
{
};
template <std::size_t N> template <std::size_t N>
using make_index_sequence = make_integer_sequence<std::size_t, N>; using make_index_sequence = make_integer_sequence<std::size_t, N>;
#endif #endif
template <class Tuple, class F, size_t... Is> template <class Tuple, class F, size_t... Is>
void for_each(index_sequence<Is...>, Tuple &&tup, F &&f) FMT_NOEXCEPT void for_each(index_sequence<Is...>, Tuple &&tup, F &&f) FMT_NOEXCEPT {
{
using std::get; using std::get;
// using free function get<I>(T) now. // using free function get<I>(T) now.
const int _[] = {0, ((void)f(get<Is>(tup)), 0)...}; const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
@ -182,78 +156,70 @@ void for_each(index_sequence<Is...>, Tuple &&tup, F &&f) FMT_NOEXCEPT
} }
template <class T> template <class T>
FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(T const &) FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value>
{ get_indexes(T const &) { return {}; }
return {};
}
template <class Tuple, class F> template <class Tuple, class F>
void for_each(Tuple &&tup, F &&f) void for_each(Tuple &&tup, F &&f) {
{
const auto indexes = get_indexes(tup); const auto indexes = get_indexes(tup);
for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f)); for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
} }
template<typename Arg> template<typename Arg>
FMT_CONSTEXPR const char *format_str_quoted( FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&,
bool add_space, const Arg &, typename std::enable_if<!is_like_std_string<typename std::decay<Arg>::type>::value>::type * = nullptr) typename std::enable_if<
{ !is_like_std_string<typename std::decay<Arg>::type>::value>::type* = nullptr) {
return add_space ? " {}" : "{}"; return add_space ? " {}" : "{}";
} }
template<typename Arg> template<typename Arg>
FMT_CONSTEXPR const char *format_str_quoted( FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&,
bool add_space, const Arg &, typename std::enable_if<is_like_std_string<typename std::decay<Arg>::type>::value>::type * = nullptr) typename std::enable_if<
{ is_like_std_string<typename std::decay<Arg>::type>::value>::type* = nullptr) {
return add_space ? " \"{}\"" : "\"{}\""; return add_space ? " \"{}\"" : "\"{}\"";
} }
FMT_CONSTEXPR const char *format_str_quoted(bool add_space, const char *) FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char*) {
{
return add_space ? " \"{}\"" : "\"{}\""; return add_space ? " \"{}\"" : "\"{}\"";
} }
FMT_CONSTEXPR const wchar_t *format_str_quoted(bool add_space, const wchar_t *) FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t*) {
{
return add_space ? L" \"{}\"" : L"\"{}\""; return add_space ? L" \"{}\"" : L"\"{}\"";
} }
FMT_CONSTEXPR const char *format_str_quoted(bool add_space, const char) FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char) {
{
return add_space ? " '{}'" : "'{}'"; return add_space ? " '{}'" : "'{}'";
} }
FMT_CONSTEXPR const wchar_t *format_str_quoted(bool add_space, const wchar_t) FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t) {
{
return add_space ? L" '{}'" : L"'{}'"; return add_space ? L" '{}'" : L"'{}'";
} }
} // namespace internal } // namespace internal
template <typename T> template <typename T>
struct is_tuple_like struct is_tuple_like {
{ static FMT_CONSTEXPR_DECL const bool value =
static FMT_CONSTEXPR_DECL const bool value = internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value; internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value;
}; };
template <typename TupleT, typename Char> template <typename TupleT, typename Char>
struct formatter<TupleT, Char, typename std::enable_if<fmt::is_tuple_like<TupleT>::value>::type> struct formatter<TupleT, Char,
{ typename std::enable_if<fmt::is_tuple_like<TupleT>::value>::type> {
private: private:
// C++11 generic lambda for format() // C++11 generic lambda for format()
template <typename FormatContext> template <typename FormatContext>
struct format_each struct format_each {
{
template <typename T> template <typename T>
void operator()(const T &v) void operator()(const T& v) {
{ if (i > 0) {
if (i > 0) if (formatting.add_prepostfix_space) {
{
if (formatting.add_prepostfix_space)
{
*out++ = ' '; *out++ = ' ';
} }
internal::copy(formatting.delimiter, out); internal::copy(formatting.delimiter, out);
} }
format_to(out, internal::format_str_quoted((formatting.add_delimiter_spaces && i > 0), v), v); format_to(out,
internal::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), v),
v);
++i; ++i;
} }
@ -266,21 +232,18 @@ public:
formatting_tuple<Char> formatting; formatting_tuple<Char> formatting;
template <typename ParseContext> template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
{
return formatting.parse(ctx); return formatting.parse(ctx);
} }
template <typename FormatContext = format_context> template <typename FormatContext = format_context>
auto format(const TupleT &values, FormatContext &ctx) -> decltype(ctx.out()) auto format(const TupleT &values, FormatContext &ctx) -> decltype(ctx.out()) {
{
auto out = ctx.out(); auto out = ctx.out();
std::size_t i = 0; std::size_t i = 0;
internal::copy(formatting.prefix, out); internal::copy(formatting.prefix, out);
internal::for_each(values, format_each<FormatContext>{formatting, i, out}); internal::for_each(values, format_each<FormatContext>{formatting, i, out});
if (formatting.add_prepostfix_space) if (formatting.add_prepostfix_space) {
{
*out++ = ' '; *out++ = ' ';
} }
internal::copy(formatting.postfix, out); internal::copy(formatting.postfix, out);
@ -290,48 +253,45 @@ public:
}; };
template <typename T> template <typename T>
struct is_range struct is_range {
{ static FMT_CONSTEXPR_DECL const bool value =
static FMT_CONSTEXPR_DECL const bool value = internal::is_range_<T>::value && !internal::is_like_std_string<T>::value; internal::is_range_<T>::value && !internal::is_like_std_string<T>::value;
}; };
template <typename RangeT, typename Char> template <typename RangeT, typename Char>
struct formatter<RangeT, Char, typename std::enable_if<fmt::is_range<RangeT>::value>::type> struct formatter<RangeT, Char,
{ typename std::enable_if<fmt::is_range<RangeT>::value>::type> {
formatting_range<Char> formatting; formatting_range<Char> formatting;
template <typename ParseContext> template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
{
return formatting.parse(ctx); return formatting.parse(ctx);
} }
template <typename FormatContext> template <typename FormatContext>
typename FormatContext::iterator format(const RangeT &values, FormatContext &ctx) typename FormatContext::iterator format(
{ const RangeT &values, FormatContext &ctx) {
auto out = ctx.out(); auto out = ctx.out();
internal::copy(formatting.prefix, out); internal::copy(formatting.prefix, out);
std::size_t i = 0; std::size_t i = 0;
for (auto it = values.begin(), end = values.end(); it != end; ++it) for (auto it = values.begin(), end = values.end(); it != end; ++it) {
{ if (i > 0) {
if (i > 0) if (formatting.add_prepostfix_space) {
{
if (formatting.add_prepostfix_space)
{
*out++ = ' '; *out++ = ' ';
} }
internal::copy(formatting.delimiter, out); internal::copy(formatting.delimiter, out);
} }
format_to(out, internal::format_str_quoted((formatting.add_delimiter_spaces && i > 0), *it), *it); format_to(out,
if (++i > formatting.range_length_limit) internal::format_str_quoted(
{ (formatting.add_delimiter_spaces && i > 0), *it),
*it);
if (++i > formatting.range_length_limit) {
format_to(out, " ... <other elements>"); format_to(out, " ... <other elements>");
break; break;
} }
} }
if (formatting.add_prepostfix_space) if (formatting.add_prepostfix_space) {
{
*out++ = ' '; *out++ = ' ';
} }
internal::copy(formatting.postfix, out); internal::copy(formatting.postfix, out);
@ -342,3 +302,4 @@ struct formatter<RangeT, Char, typename std::enable_if<fmt::is_range<RangeT>::va
FMT_END_NAMESPACE FMT_END_NAMESPACE
#endif // FMT_RANGES_H_ #endif // FMT_RANGES_H_

121
include/spdlog/fmt/bundled/time.h
View File

@ -13,66 +13,43 @@
FMT_BEGIN_NAMESPACE FMT_BEGIN_NAMESPACE
// Prevents expansion of a preceding token as a function-style macro.
// Usage: f FMT_NOMACRO()
#define FMT_NOMACRO
namespace internal{ namespace internal{
inline null<> localtime_r(...) inline null<> localtime_r FMT_NOMACRO(...) { return null<>(); }
{ inline null<> localtime_s(...) { return null<>(); }
return null<>(); inline null<> gmtime_r(...) { return null<>(); }
inline null<> gmtime_s(...) { 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 // Thread-safe replacement for std::localtime
inline std::tm localtime(std::time_t time) inline std::tm localtime(std::time_t time) {
{ struct dispatcher {
struct dispatcher
{
std::time_t time_; std::time_t time_;
std::tm tm_; std::tm tm_;
dispatcher(std::time_t t) dispatcher(std::time_t t): time_(t) {}
: time_(t)
{
}
bool run() bool run() {
{
using namespace fmt::internal; using namespace fmt::internal;
return handle(localtime_r(&time_, &tm_)); return handle(localtime_r(&time_, &tm_));
} }
bool handle(std::tm *tm) bool handle(std::tm *tm) { return tm != FMT_NULL; }
{
return tm != FMT_NULL;
}
bool handle(internal::null<>) bool handle(internal::null<>) {
{
using namespace fmt::internal; using namespace fmt::internal;
return fallback(localtime_s(&tm_, &time_)); return fallback(localtime_s(&tm_, &time_));
} }
bool fallback(int res) bool fallback(int res) { return res == 0; }
{
return res == 0;
}
bool fallback(internal::null<>) bool fallback(internal::null<>) {
{
using namespace fmt::internal; using namespace fmt::internal;
std::tm *tm = std::localtime(&time_); std::tm *tm = std::localtime(&time_);
if (tm) if (tm) tm_ = *tm;
tm_ = *tm;
return tm != FMT_NULL; return tm != FMT_NULL;
} }
}; };
@ -84,45 +61,30 @@ inline std::tm localtime(std::time_t time)
} }
// Thread-safe replacement for std::gmtime // Thread-safe replacement for std::gmtime
inline std::tm gmtime(std::time_t time) inline std::tm gmtime(std::time_t time) {
{ struct dispatcher {
struct dispatcher
{
std::time_t time_; std::time_t time_;
std::tm tm_; std::tm tm_;
dispatcher(std::time_t t) dispatcher(std::time_t t): time_(t) {}
: time_(t)
{
}
bool run() bool run() {
{
using namespace fmt::internal; using namespace fmt::internal;
return handle(gmtime_r(&time_, &tm_)); return handle(gmtime_r(&time_, &tm_));
} }
bool handle(std::tm *tm) bool handle(std::tm *tm) { return tm != FMT_NULL; }
{
return tm != FMT_NULL;
}
bool handle(internal::null<>) bool handle(internal::null<>) {
{
using namespace fmt::internal; using namespace fmt::internal;
return fallback(gmtime_s(&tm_, &time_)); return fallback(gmtime_s(&tm_, &time_));
} }
bool fallback(int res) bool fallback(int res) { return res == 0; }
{
return res == 0;
}
bool fallback(internal::null<>) bool fallback(internal::null<>) {
{
std::tm *tm = std::gmtime(&time_); std::tm *tm = std::gmtime(&time_);
if (tm) if (tm) tm_ = *tm;
tm_ = *tm;
return tm != FMT_NULL; return tm != FMT_NULL;
} }
}; };
@ -134,23 +96,21 @@ inline std::tm gmtime(std::time_t time)
} }
namespace internal { namespace internal {
inline std::size_t strftime(char *str, std::size_t count, const char *format, const std::tm *time) 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); 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) 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); return std::wcsftime(str, count, format, time);
} }
} // namespace internal }
template <typename Char> template <typename Char>
struct formatter<std::tm, Char> struct formatter<std::tm, Char> {
{
template <typename ParseContext> template <typename ParseContext>
auto parse(ParseContext &ctx) -> decltype(ctx.begin()) auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
{
auto it = internal::null_terminating_iterator<Char>(ctx); auto it = internal::null_terminating_iterator<Char>(ctx);
if (*it == ':') if (*it == ':')
++it; ++it;
@ -165,21 +125,18 @@ struct formatter<std::tm, Char>
} }
template <typename FormatContext> template <typename FormatContext>
auto format(const std::tm &tm, FormatContext &ctx) -> decltype(ctx.out()) auto format(const std::tm &tm, FormatContext &ctx) -> decltype(ctx.out()) {
{
internal::basic_buffer<Char> &buf = internal::get_container(ctx.out()); internal::basic_buffer<Char> &buf = internal::get_container(ctx.out());
std::size_t start = buf.size(); std::size_t start = buf.size();
for (;;) for (;;) {
{
std::size_t size = buf.capacity() - start; std::size_t size = buf.capacity() - start;
std::size_t count = internal::strftime(&buf[start], size, &tm_format[0], &tm); std::size_t count =
if (count != 0) internal::strftime(&buf[start], size, &tm_format[0], &tm);
{ if (count != 0) {
buf.resize(start + count); buf.resize(start + count);
break; break;
} }
if (size >= tm_format.size() * 256) if (size >= tm_format.size() * 256) {
{
// If the buffer is 256 times larger than the format string, assume // 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 // that `strftime` gives an empty result. There doesn't seem to be a
// better way to distinguish the two cases: // better way to distinguish the two cases: