Upgraded to fmt ver 5.2.0

This commit is contained in:
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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// 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_

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FMT_BEGIN_NAMESPACE 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;
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
// simpler and has the advantage that the streambuf and the buffer are always // simpler and has the advantage that the streambuf and the buffer are always
// in sync and sputc never writes into uninitialized memory. The obvious // in sync and sputc never writes into uninitialized memory. The obvious
// disadvantage is that each call to sputc always results in a (virtual) call // disadvantage is that each call to sputc always results in a (virtual) call
// to overflow. There is no disadvantage here for sputn since this always // 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:
{ template <typename U>
private: static decltype(
template<typename U> internal::declval<test_stream<Char>&>()
static decltype(internal::declval<test_stream<Char> &>() << internal::declval<U>(), std::true_type()) test(int); << internal::declval<U>(), std::true_type()) test(int);
template<typename> template <typename>
static std::false_type test(...); static std::false_type test(...);
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 =
UnsignedStreamSize max_size = internal::to_unsigned((std::numeric_limits<std::streamsize>::max)()); internal::to_unsigned((std::numeric_limits<std::streamsize>::max)());
do 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; size -= n;
size -= n; } while (size != 0);
} while (size != 0);
} }
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());
} }
} // namespace internal
// Disable builtin formatting of enums and use operator<< instead. // Disable conversion to int if T has an overloaded operator<< which is a free
template<typename T> // function (not a member of std::ostream).
struct format_enum<T, typename std::enable_if<std::is_enum<T>::value>::type> : std::false_type 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;
}; };
} // namespace internal
// 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()); return formatter<basic_string_view<Char>, Char>::format(str, ctx);
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);
} }
/** /**
\rst \rst
@ -157,17 +141,17 @@ inline void vprint(
fmt::print(cerr, "Don't {}!", "panic"); fmt::print(cerr, "Don't {}!", "panic");
\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
#endif // FMT_OSTREAM_H_ #endif // FMT_OSTREAM_H_

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@ -10,55 +10,54 @@
#if defined(__MINGW32__) || defined(__CYGWIN__) #if defined(__MINGW32__) || defined(__CYGWIN__)
// Workaround MinGW bug https://sourceforge.net/p/mingw/bugs/2024/. // Workaround MinGW bug https://sourceforge.net/p/mingw/bugs/2024/.
#undef __STRICT_ANSI__ # undef __STRICT_ANSI__
#endif #endif
#include <errno.h> #include <errno.h>
#include <fcntl.h> // for O_RDONLY #include <fcntl.h> // for O_RDONLY
#include <locale.h> // for locale_t #include <locale.h> // for locale_t
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> // for strtod_l #include <stdlib.h> // for strtod_l
#include <cstddef> #include <cstddef>
#if defined __APPLE__ || defined(__FreeBSD__) #if defined __APPLE__ || defined(__FreeBSD__)
#include <xlocale.h> // for LC_NUMERIC_MASK on OS X # include <xlocale.h> // for LC_NUMERIC_MASK on OS X
#endif #endif
#include "format.h" #include "format.h"
#ifndef FMT_POSIX #ifndef FMT_POSIX
#if defined(_WIN32) && !defined(__MINGW32__) # if defined(_WIN32) && !defined(__MINGW32__)
// Fix warnings about deprecated symbols. // Fix warnings about deprecated symbols.
#define FMT_POSIX(call) _##call # define FMT_POSIX(call) _##call
#else # else
#define FMT_POSIX(call) call # define FMT_POSIX(call) call
#endif # endif
#endif #endif
// Calls to system functions are wrapped in FMT_SYSTEM for testability. // Calls to system functions are wrapped in FMT_SYSTEM for testability.
#ifdef FMT_SYSTEM #ifdef FMT_SYSTEM
#define FMT_POSIX_CALL(call) FMT_SYSTEM(call) # define FMT_POSIX_CALL(call) FMT_SYSTEM(call)
#else #else
#define FMT_SYSTEM(call) call # define FMT_SYSTEM(call) call
#ifdef _WIN32 # ifdef _WIN32
// Fix warnings about deprecated symbols. // Fix warnings about deprecated symbols.
#define FMT_POSIX_CALL(call) ::_##call # define FMT_POSIX_CALL(call) ::_##call
#else # else
#define FMT_POSIX_CALL(call) ::call # define FMT_POSIX_CALL(call) ::call
#endif # endif
#endif #endif
// Retries the expression while it evaluates to error_result and errno // Retries the expression while it evaluates to error_result and errno
// 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
#define FMT_RETRY_VAL(result, expression, error_result) result = (expression) # define FMT_RETRY_VAL(result, expression, error_result) result = (expression)
#endif #endif
#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1) #define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
@ -90,167 +89,94 @@ FMT_BEGIN_NAMESPACE
format(std::string("{}"), 42); format(std::string("{}"), 42);
\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.
buffered_file() FMT_NOEXCEPT : file_(FMT_NULL) {} buffered_file() FMT_NOEXCEPT : file_(FMT_NULL) {}
// 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 private:
// Emulate a move constructor and a move assignment operator if rvalue buffered_file(const buffered_file &) = delete;
// references are not supported. void operator=(const buffered_file &) = delete;
private:
// A proxy object to emulate a move constructor.
// It is private to make it impossible call operator Proxy directly.
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& operator=(buffered_file &&other) {
buffered_file(buffered_file &f) FMT_NOEXCEPT : file_(f.file_) close();
{ file_ = other.file_;
f.file_ = FMT_NULL; other.file_ = FMT_NULL;
} return *this;
}
// A "move assignment operator" for moving from a temporary. // Opens a file.
buffered_file &operator=(Proxy p) FMT_API buffered_file(cstring_view filename, cstring_view mode);
{
close();
file_ = p.file;
return *this;
}
// A "move assignment operator" for moving from an lvalue. // Closes the file.
buffered_file &operator=(buffered_file &other) FMT_API void close();
{
close();
file_ = other.file_;
other.file_ = FMT_NULL;
return *this;
}
// Returns a proxy object for moving from a temporary: // Returns the pointer to a FILE object representing this file.
// buffered_file file = buffered_file(...); FILE *get() const FMT_NOEXCEPT { return file_; }
operator Proxy() FMT_NOEXCEPT
{
Proxy p = {file_};
file_ = FMT_NULL;
return p;
}
#else // We place parentheses around fileno to workaround a bug in some versions
private: // of MinGW that define fileno as a macro.
FMT_DISALLOW_COPY_AND_ASSIGN(buffered_file); FMT_API int (fileno)() const;
public: void vprint(string_view format_str, format_args args) {
buffered_file(buffered_file &&other) FMT_NOEXCEPT : file_(other.file_) fmt::vprint(file_, format_str, args);
{ }
other.file_ = FMT_NULL;
}
buffered_file &operator=(buffered_file &&other) template <typename... Args>
{ inline void print(string_view format_str, const Args & ... args) {
close(); vprint(format_str, make_format_args(args...));
file_ = other.file_; }
other.file_ = FMT_NULL;
return *this;
}
#endif
// Opens a file.
FMT_API buffered_file(cstring_view filename, cstring_view mode);
// Closes the file.
FMT_API void close();
// Returns the pointer to a FILE object representing this file.
FILE *get() const FMT_NOEXCEPT
{
return file_;
}
// We place parentheses around fileno to workaround a bug in some versions
// of MinGW that define fileno as a macro.
FMT_API int(fileno)() const;
void vprint(string_view format_str, format_args args)
{
fmt::vprint(file_, format_str, args);
}
template<typename... Args>
inline void print(string_view format_str, const Args &... args)
{
vprint(format_str, make_format_args(args...));
}
}; };
// A file. Closed file is represented by a file object with descriptor -1. // A file. Closed file is represented by a file object with descriptor -1.
@ -259,226 +185,140 @@ 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. };
};
// Constructs a file object which doesn't represent any file. // Constructs a file object which doesn't represent any file.
file() FMT_NOEXCEPT : fd_(-1) {} file() FMT_NOEXCEPT : fd_(-1) {}
// 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 private:
// Emulate a move constructor and a move assignment operator if rvalue file(const file &) = delete;
// references are not supported. void operator=(const file &) = delete;
private: public:
// A proxy object to emulate a move constructor. file(file &&other) FMT_NOEXCEPT : fd_(other.fd_) {
// It is private to make it impossible call operator Proxy directly. other.fd_ = -1;
struct Proxy }
{
int fd;
};
public: file& operator=(file &&other) {
// A "move constructor" for moving from a temporary. close();
file(Proxy p) FMT_NOEXCEPT : fd_(p.fd) {} fd_ = other.fd_;
other.fd_ = -1;
return *this;
}
// A "move constructor" for moving from an lvalue. // Destroys the object closing the file it represents if any.
file(file &other) FMT_NOEXCEPT : fd_(other.fd_) FMT_API ~file() FMT_DTOR_NOEXCEPT;
{
other.fd_ = -1;
}
// A "move assignment operator" for moving from a temporary. // Returns the file descriptor.
file &operator=(Proxy p) int descriptor() const FMT_NOEXCEPT { return fd_; }
{
close();
fd_ = p.fd;
return *this;
}
// A "move assignment operator" for moving from an lvalue. // Closes the file.
file &operator=(file &other) FMT_API void close();
{
close();
fd_ = other.fd_;
other.fd_ = -1;
return *this;
}
// Returns a proxy object for moving from a temporary: // Returns the file size. The size has signed type for consistency with
// file f = file(...); // stat::st_size.
operator Proxy() FMT_NOEXCEPT FMT_API long long size() const;
{
Proxy p = {fd_};
fd_ = -1;
return p;
}
#else // Attempts to read count bytes from the file into the specified buffer.
private: FMT_API std::size_t read(void *buffer, std::size_t count);
FMT_DISALLOW_COPY_AND_ASSIGN(file);
public: // Attempts to write count bytes from the specified buffer to the file.
file(file &&other) FMT_NOEXCEPT : fd_(other.fd_) FMT_API std::size_t write(const void *buffer, std::size_t count);
{
other.fd_ = -1;
}
file &operator=(file &&other) // Duplicates a file descriptor with the dup function and returns
{ // the duplicate as a file object.
close(); FMT_API static file dup(int fd);
fd_ = other.fd_;
other.fd_ = -1;
return *this;
}
#endif
// Destroys the object closing the file it represents if any. // Makes fd be the copy of this file descriptor, closing fd first if
FMT_API ~file() FMT_DTOR_NOEXCEPT; // necessary.
FMT_API void dup2(int fd);
// Returns the file descriptor. // Makes fd be the copy of this file descriptor, closing fd first if
int descriptor() const FMT_NOEXCEPT // necessary.
{ FMT_API void dup2(int fd, error_code &ec) FMT_NOEXCEPT;
return fd_;
}
// Closes the file. // Creates a pipe setting up read_end and write_end file objects for reading
FMT_API void close(); // and writing respectively.
FMT_API static void pipe(file &read_end, file &write_end);
// Returns the file size. The size has signed type for consistency with // Creates a buffered_file object associated with this file and detaches
// stat::st_size. // this file object from the file.
FMT_API long long size() const; FMT_API buffered_file fdopen(const char *mode);
// Attempts to read count bytes from the file into the specified buffer.
FMT_API std::size_t read(void *buffer, std::size_t count);
// Attempts to write count bytes from the specified buffer to the file.
FMT_API std::size_t write(const void *buffer, std::size_t count);
// Duplicates a file descriptor with the dup function and returns
// the duplicate as a file object.
FMT_API static file dup(int fd);
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
FMT_API void dup2(int fd);
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
FMT_API void dup2(int fd, error_code &ec) FMT_NOEXCEPT;
// Creates a pipe setting up read_end and write_end file objects for reading
// and writing respectively.
FMT_API static void pipe(file &read_end, file &write_end);
// Creates a buffered_file object associated with this file and detaches
// this file object from the file.
FMT_API buffered_file fdopen(const char *mode);
}; };
// 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)) && \
#define FMT_LOCALE !defined(__ANDROID__) && !defined(__CYGWIN__) && !defined(__OpenBSD__) && \
!defined(__NEWLIB_H__)
# 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_)
{ FMT_THROW(system_error(errno, "cannot create locale"));
if (!locale_) }
FMT_THROW(system_error(errno, "cannot create locale")); ~Locale() { freelocale(locale_); }
}
~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; return result;
return result; }
}
}; };
#endif // FMT_LOCALE #endif // FMT_LOCALE
FMT_END_NAMESPACE FMT_END_NAMESPACE
#if !FMT_USE_RVALUE_REFERENCES #endif // FMT_POSIX_H_
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_

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@ -17,328 +17,289 @@
// output only up to N items from the range. // output only up to N items from the range.
#ifndef FMT_RANGE_OUTPUT_LENGTH_LIMIT #ifndef FMT_RANGE_OUTPUT_LENGTH_LIMIT
#define FMT_RANGE_OUTPUT_LENGTH_LIMIT 256 # define FMT_RANGE_OUTPUT_LENGTH_LIMIT 256
#endif #endif
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() : prefix('{'), delimiter(','), postfix('}') {}
formatting_range() static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
: prefix('{') static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
, delimiter(',')
, postfix('}')
{
}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
}; };
template<typename Char, typename Enable = void> 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() : prefix('('), delimiter(','), postfix(')') {}
formatting_tuple() static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
: prefix('(') static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
, delimiter(',')
, postfix(')')
{
}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
}; };
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) ->
static auto check(U *p) -> decltype(p->find('a'), p->length(), p->data(), int()); 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) ->
static auto check(U *p) -> decltype(std::tuple_size<U>::value, internal::declval<typename std::tuple_element<0, U>::type>(), int()); decltype(std::tuple_size<U>::value,
template<typename> internal::declval<typename std::tuple_element<0, U>::type>(), int());
static void check(...); template <typename>
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
#if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900 #if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900
template<typename T, T... N> template <typename T, T... N>
using integer_sequence = std::integer_sequence<T, N...>; using integer_sequence = std::integer_sequence<T, N...>;
template<std::size_t... N> template <std::size_t... N>
using index_sequence = std::index_sequence<N...>; using index_sequence = std::index_sequence<N...>;
template<std::size_t N> 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); }
}
}; };
template<std::size_t... N> 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>
}; struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...> {};
template<typename T, 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)...}; (void)_; // blocks warnings
(void)_; // blocks warnings
} }
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 (formatting.add_prepostfix_space) {
if (i > 0) *out++ = ' ';
{
if (formatting.add_prepostfix_space)
{
*out++ = ' ';
}
internal::copy(formatting.delimiter, out);
}
format_to(out, internal::format_str_quoted((formatting.add_delimiter_spaces && i > 0), v), v);
++i;
} }
internal::copy(formatting.delimiter, out);
}
format_to(out,
internal::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), v),
v);
++i;
}
formatting_tuple<Char> &formatting; formatting_tuple<Char>& formatting;
std::size_t &i; std::size_t& i;
typename std::add_lvalue_reference<decltype(std::declval<FormatContext>().out())>::type out; typename std::add_lvalue_reference<decltype(std::declval<FormatContext>().out())>::type out;
}; };
public: 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>
auto format(const TupleT &values, FormatContext &ctx) -> decltype(ctx.out()) {
auto out = ctx.out();
std::size_t i = 0;
internal::copy(formatting.prefix, out);
internal::for_each(values, format_each<FormatContext>{formatting, i, out});
if (formatting.add_prepostfix_space) {
*out++ = ' ';
} }
internal::copy(formatting.postfix, out);
template<typename FormatContext = format_context> return ctx.out();
auto format(const TupleT &values, FormatContext &ctx) -> decltype(ctx.out()) }
{
auto out = ctx.out();
std::size_t i = 0;
internal::copy(formatting.prefix, out);
internal::for_each(values, format_each<FormatContext>{formatting, i, out});
if (formatting.add_prepostfix_space)
{
*out++ = ' ';
}
internal::copy(formatting.postfix, out);
return ctx.out();
}
}; };
template<typename T> 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) {
{ *out++ = ' ';
if (formatting.add_prepostfix_space)
{
*out++ = ' ';
}
internal::copy(formatting.delimiter, out);
}
format_to(out, internal::format_str_quoted((formatting.add_delimiter_spaces && i > 0), *it), *it);
if (++i > formatting.range_length_limit)
{
format_to(out, " ... <other elements>");
break;
}
} }
if (formatting.add_prepostfix_space) internal::copy(formatting.delimiter, out);
{ }
*out++ = ' '; format_to(out,
} internal::format_str_quoted(
internal::copy(formatting.postfix, out); (formatting.add_delimiter_spaces && i > 0), *it),
return ctx.out(); *it);
if (++i > formatting.range_length_limit) {
format_to(out, " ... <other elements>");
break;
}
} }
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
internal::copy(formatting.postfix, out);
return ctx.out();
}
}; };
FMT_END_NAMESPACE FMT_END_NAMESPACE
#endif // FMT_RANGES_H_ #endif // FMT_RANGES_H_

View File

@ -13,187 +13,144 @@
FMT_BEGIN_NAMESPACE FMT_BEGIN_NAMESPACE
namespace internal { // Prevents expansion of a preceding token as a function-style macro.
inline null<> localtime_r(...) // Usage: f FMT_NOMACRO()
{ #define FMT_NOMACRO
return null<>();
namespace internal{
inline null<> localtime_r FMT_NOMACRO(...) { return null<>(); }
inline null<> localtime_s(...) { 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::tm tm_;
std::time_t time_;
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) tm_ = *tm;
if (tm) return tm != FMT_NULL;
tm_ = *tm; }
return tm != FMT_NULL; };
} dispatcher lt(time);
}; if (lt.run())
dispatcher lt(time); return lt.tm_;
if (lt.run()) // Too big time values may be unsupported.
return lt.tm_; FMT_THROW(format_error("time_t value out of range"));
// Too big time values may be unsupported.
FMT_THROW(format_error("time_t value out of range"));
} }
// 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::tm tm_;
std::time_t time_;
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) tm_ = *tm;
if (tm) return tm != FMT_NULL;
tm_ = *tm; }
return tm != FMT_NULL; };
} dispatcher gt(time);
}; if (gt.run())
dispatcher gt(time); return gt.tm_;
if (gt.run()) // Too big time values may be unsupported.
return gt.tm_; FMT_THROW(format_error("time_t value out of range"));
// Too big time values may be unsupported.
FMT_THROW(format_error("time_t value out of range"));
} }
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);
{ if (*it == ':')
auto it = internal::null_terminating_iterator<Char>(ctx); ++it;
if (*it == ':') auto end = it;
++it; while (*end && *end != '}')
auto end = it; ++end;
while (*end && *end != '}') tm_format.reserve(end - it + 1);
++end; using internal::pointer_from;
tm_format.reserve(end - it + 1); tm_format.append(pointer_from(it), pointer_from(end));
using internal::pointer_from; tm_format.push_back('\0');
tm_format.append(pointer_from(it), pointer_from(end)); return pointer_from(end);
tm_format.push_back('\0'); }
return pointer_from(end);
template <typename FormatContext>
auto format(const std::tm &tm, FormatContext &ctx) -> decltype(ctx.out()) {
internal::basic_buffer<Char> &buf = internal::get_container(ctx.out());
std::size_t start = buf.size();
for (;;) {
std::size_t size = buf.capacity() - start;
std::size_t count =
internal::strftime(&buf[start], size, &tm_format[0], &tm);
if (count != 0) {
buf.resize(start + count);
break;
}
if (size >= tm_format.size() * 256) {
// If the buffer is 256 times larger than the format string, assume
// that `strftime` gives an empty result. There doesn't seem to be a
// better way to distinguish the two cases:
// https://github.com/fmtlib/fmt/issues/367
break;
}
const std::size_t MIN_GROWTH = 10;
buf.reserve(buf.capacity() + (size > MIN_GROWTH ? size : MIN_GROWTH));
} }
return ctx.out();
}
template<typename FormatContext> basic_memory_buffer<Char> tm_format;
auto format(const std::tm &tm, FormatContext &ctx) -> decltype(ctx.out())
{
internal::basic_buffer<Char> &buf = internal::get_container(ctx.out());
std::size_t start = buf.size();
for (;;)
{
std::size_t size = buf.capacity() - start;
std::size_t count = internal::strftime(&buf[start], size, &tm_format[0], &tm);
if (count != 0)
{
buf.resize(start + count);
break;
}
if (size >= tm_format.size() * 256)
{
// If the buffer is 256 times larger than the format string, assume
// that `strftime` gives an empty result. There doesn't seem to be a
// better way to distinguish the two cases:
// https://github.com/fmtlib/fmt/issues/367
break;
}
const std::size_t MIN_GROWTH = 10;
buf.reserve(buf.capacity() + (size > MIN_GROWTH ? size : MIN_GROWTH));
}
return ctx.out();
}
basic_memory_buffer<Char> tm_format;
}; };
FMT_END_NAMESPACE FMT_END_NAMESPACE
#endif // FMT_TIME_H_ #endif // FMT_TIME_H_