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Format the code using clang-format

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This commit is contained in:
Victor Zverovich
2019-01-12 18:27:38 -08:00
parent 9a777b9e1c
commit 58b6f8db48
39 changed files with 4734 additions and 5108 deletions
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125
include/fmt/chrono.h
View File

@@ -28,8 +28,9 @@ enum class numeric_system {
// Parses a put_time-like format string and invokes handler actions.
template <typename Char, typename Handler>
FMT_CONSTEXPR const Char *parse_chrono_format(
const Char *begin, const Char *end, Handler &&handler) {
FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin,
const Char* end,
Handler&& handler) {
auto ptr = begin;
while (ptr != end) {
auto c = *ptr;
@@ -38,11 +39,9 @@ FMT_CONSTEXPR const Char *parse_chrono_format(
++ptr;
continue;
}
if (begin != ptr)
handler.on_text(begin, ptr);
++ptr; // consume '%'
if (ptr == end)
throw format_error("invalid format");
if (begin != ptr) handler.on_text(begin, ptr);
++ptr; // consume '%'
if (ptr == end) throw format_error("invalid format");
c = *ptr++;
switch (c) {
case '%':
@@ -127,8 +126,7 @@ FMT_CONSTEXPR const Char *parse_chrono_format(
break;
// Alternative representation:
case 'E': {
if (ptr == end)
throw format_error("invalid format");
if (ptr == end) throw format_error("invalid format");
c = *ptr++;
switch (c) {
case 'c':
@@ -146,8 +144,7 @@ FMT_CONSTEXPR const Char *parse_chrono_format(
break;
}
case 'O':
if (ptr == end)
throw format_error("invalid format");
if (ptr == end) throw format_error("invalid format");
c = *ptr++;
switch (c) {
case 'w':
@@ -177,16 +174,14 @@ FMT_CONSTEXPR const Char *parse_chrono_format(
}
begin = ptr;
}
if (begin != ptr)
handler.on_text(begin, ptr);
if (begin != ptr) handler.on_text(begin, ptr);
return ptr;
}
struct chrono_format_checker {
void report_no_date() { throw format_error("no date"); }
template <typename Char>
void on_text(const Char *, const Char *) {}
template <typename Char> void on_text(const Char*, const Char*) {}
void on_abbr_weekday() { report_no_date(); }
void on_full_weekday() { report_no_date(); }
void on_dec0_weekday(numeric_system) { report_no_date(); }
@@ -210,24 +205,23 @@ struct chrono_format_checker {
void on_tz_name() { report_no_date(); }
};
template <typename Int>
inline int to_int(Int value) {
template <typename Int> inline int to_int(Int value) {
FMT_ASSERT(value >= (std::numeric_limits<int>::min)() &&
value <= (std::numeric_limits<int>::max)(), "invalid value");
value <= (std::numeric_limits<int>::max)(),
"invalid value");
return static_cast<int>(value);
}
template <typename FormatContext, typename OutputIt>
struct chrono_formatter {
FormatContext &context;
template <typename FormatContext, typename OutputIt> struct chrono_formatter {
FormatContext& context;
OutputIt out;
std::chrono::seconds s;
std::chrono::milliseconds ms;
typedef typename FormatContext::char_type char_type;
explicit chrono_formatter(FormatContext &ctx, OutputIt o)
: context(ctx), out(o) {}
explicit chrono_formatter(FormatContext& ctx, OutputIt o)
: context(ctx), out(o) {}
int hour() const { return to_int((s.count() / 3600) % 24); }
@@ -251,14 +245,13 @@ struct chrono_formatter {
typedef typename int_traits<int>::main_type main_type;
main_type n = to_unsigned(value);
int num_digits = internal::count_digits(n);
if (width > num_digits)
out = std::fill_n(out, width - num_digits, '0');
if (width > num_digits) out = std::fill_n(out, width - num_digits, '0');
out = format_decimal<char_type>(out, n, num_digits);
}
void format_localized(const tm &time, const char *format) {
void format_localized(const tm& time, const char* format) {
auto locale = context.locale().template get<std::locale>();
auto &facet = std::use_facet<std::time_put<char_type>>(locale);
auto& facet = std::use_facet<std::time_put<char_type>>(locale);
std::basic_ostringstream<char_type> os;
os.imbue(locale);
facet.put(os, os, ' ', &time, format, format + std::strlen(format));
@@ -266,7 +259,7 @@ struct chrono_formatter {
std::copy(str.begin(), str.end(), out);
}
void on_text(const char_type *begin, const char_type *end) {
void on_text(const char_type* begin, const char_type* end) {
std::copy(begin, end, out);
}
@@ -286,24 +279,21 @@ struct chrono_formatter {
void on_tz_name() {}
void on_24_hour(numeric_system ns) {
if (ns == numeric_system::standard)
return write(hour(), 2);
if (ns == numeric_system::standard) return write(hour(), 2);
auto time = tm();
time.tm_hour = hour();
format_localized(time, "%OH");
}
void on_12_hour(numeric_system ns) {
if (ns == numeric_system::standard)
return write(hour12(), 2);
if (ns == numeric_system::standard) return write(hour12(), 2);
auto time = tm();
time.tm_hour = hour();
format_localized(time, "%OI");
}
void on_minute(numeric_system ns) {
if (ns == numeric_system::standard)
return write(minute(), 2);
if (ns == numeric_system::standard) return write(minute(), 2);
auto time = tm();
time.tm_min = minute();
format_localized(time, "%OM");
@@ -341,30 +331,30 @@ struct chrono_formatter {
};
} // namespace internal
template <typename Period> FMT_CONSTEXPR const char *get_units() {
template <typename Period> FMT_CONSTEXPR const char* get_units() {
return FMT_NULL;
}
template <> FMT_CONSTEXPR const char *get_units<std::atto>() { return "as"; }
template <> FMT_CONSTEXPR const char *get_units<std::femto>() { return "fs"; }
template <> FMT_CONSTEXPR const char *get_units<std::pico>() { return "ps"; }
template <> FMT_CONSTEXPR const char *get_units<std::nano>() { return "ns"; }
template <> FMT_CONSTEXPR const char *get_units<std::micro>() { return "µs"; }
template <> FMT_CONSTEXPR const char *get_units<std::milli>() { return "ms"; }
template <> FMT_CONSTEXPR const char *get_units<std::centi>() { return "cs"; }
template <> FMT_CONSTEXPR const char *get_units<std::deci>() { return "ds"; }
template <> FMT_CONSTEXPR const char *get_units<std::ratio<1>>() { return "s"; }
template <> FMT_CONSTEXPR const char *get_units<std::deca>() { return "das"; }
template <> FMT_CONSTEXPR const char *get_units<std::hecto>() { return "hs"; }
template <> FMT_CONSTEXPR const char *get_units<std::kilo>() { return "ks"; }
template <> FMT_CONSTEXPR const char *get_units<std::mega>() { return "Ms"; }
template <> FMT_CONSTEXPR const char *get_units<std::giga>() { return "Gs"; }
template <> FMT_CONSTEXPR const char *get_units<std::tera>() { return "Ts"; }
template <> FMT_CONSTEXPR const char *get_units<std::peta>() { return "Ps"; }
template <> FMT_CONSTEXPR const char *get_units<std::exa>() { return "Es"; }
template <> FMT_CONSTEXPR const char *get_units<std::ratio<60>>() {
template <> FMT_CONSTEXPR const char* get_units<std::atto>() { return "as"; }
template <> FMT_CONSTEXPR const char* get_units<std::femto>() { return "fs"; }
template <> FMT_CONSTEXPR const char* get_units<std::pico>() { return "ps"; }
template <> FMT_CONSTEXPR const char* get_units<std::nano>() { return "ns"; }
template <> FMT_CONSTEXPR const char* get_units<std::micro>() { return "µs"; }
template <> FMT_CONSTEXPR const char* get_units<std::milli>() { return "ms"; }
template <> FMT_CONSTEXPR const char* get_units<std::centi>() { return "cs"; }
template <> FMT_CONSTEXPR const char* get_units<std::deci>() { return "ds"; }
template <> FMT_CONSTEXPR const char* get_units<std::ratio<1>>() { return "s"; }
template <> FMT_CONSTEXPR const char* get_units<std::deca>() { return "das"; }
template <> FMT_CONSTEXPR const char* get_units<std::hecto>() { return "hs"; }
template <> FMT_CONSTEXPR const char* get_units<std::kilo>() { return "ks"; }
template <> FMT_CONSTEXPR const char* get_units<std::mega>() { return "Ms"; }
template <> FMT_CONSTEXPR const char* get_units<std::giga>() { return "Gs"; }
template <> FMT_CONSTEXPR const char* get_units<std::tera>() { return "Ts"; }
template <> FMT_CONSTEXPR const char* get_units<std::peta>() { return "Ps"; }
template <> FMT_CONSTEXPR const char* get_units<std::exa>() { return "Es"; }
template <> FMT_CONSTEXPR const char* get_units<std::ratio<60>>() {
return "m";
}
template <> FMT_CONSTEXPR const char *get_units<std::ratio<3600>>() {
template <> FMT_CONSTEXPR const char* get_units<std::ratio<3600>>() {
return "h";
}
@@ -378,12 +368,11 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> {
typedef std::chrono::duration<Rep, Period> duration;
struct spec_handler {
formatter &f;
basic_parse_context<Char> &context;
formatter& f;
basic_parse_context<Char>& context;
basic_string_view<Char> format_str;
template <typename Id>
FMT_CONSTEXPR arg_ref_type make_arg_ref(Id arg_id) {
template <typename Id> FMT_CONSTEXPR arg_ref_type make_arg_ref(Id arg_id) {
context.check_arg_id(arg_id);
return arg_ref_type(arg_id);
}
@@ -398,13 +387,12 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> {
return arg_ref_type(context.next_arg_id());
}
void on_error(const char *msg) { throw format_error(msg); }
void on_error(const char* msg) { throw format_error(msg); }
void on_fill(Char fill) { f.spec.fill_ = fill; }
void on_align(alignment align) { f.spec.align_ = align; }
void on_width(unsigned width) { f.spec.width_ = width; }
template <typename Id>
void on_dynamic_width(Id arg_id) {
template <typename Id> void on_dynamic_width(Id arg_id) {
f.width_ref = make_arg_ref(arg_id);
}
};
@@ -412,7 +400,7 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> {
public:
formatter() : spec() {}
FMT_CONSTEXPR auto parse(basic_parse_context<Char> &ctx)
FMT_CONSTEXPR auto parse(basic_parse_context<Char>& ctx)
-> decltype(ctx.begin()) {
auto begin = ctx.begin(), end = ctx.end();
if (begin == end) return begin;
@@ -421,14 +409,13 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> {
if (begin == end) return begin;
begin = internal::parse_width(begin, end, handler);
end = parse_chrono_format(begin, end, internal::chrono_format_checker());
format_str = basic_string_view<Char>(
&*begin, internal::to_unsigned(end - begin));
format_str =
basic_string_view<Char>(&*begin, internal::to_unsigned(end - begin));
return end;
}
template <typename FormatContext>
auto format(const duration &d, FormatContext &ctx)
-> decltype(ctx.out()) {
auto format(const duration& d, FormatContext& ctx) -> decltype(ctx.out()) {
auto begin = format_str.begin(), end = format_str.end();
// As a possible future optimization, we could avoid extra copying if width
// is not specified.
@@ -436,7 +423,7 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> {
typedef output_range<decltype(ctx.out()), Char> range;
basic_writer<range> w(range(ctx.out()));
if (begin == end || *begin == '}') {
if (const char *unit = get_units<Period>())
if (const char* unit = get_units<Period>())
format_to(buf, "{}{}", d.count(), unit);
else if (Period::den == 1)
format_to(buf, "{}[{}]s", d.count(), Period::num);
@@ -449,8 +436,8 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> {
f.ms = std::chrono::duration_cast<std::chrono::milliseconds>(d - f.s);
parse_chrono_format(begin, end, f);
}
internal::handle_dynamic_spec<internal::width_checker>(
spec.width_, width_ref, ctx);
internal::handle_dynamic_spec<internal::width_checker>(spec.width_,
width_ref, ctx);
w.write(buf.data(), buf.size(), spec);
return w.out();
}

455
include/fmt/color.h
View File

@@ -20,12 +20,12 @@ 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) {
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) {
const Args&... args) {
vprint_colored(c, format_str, make_format_args<wformat_context>(args...));
}
@@ -48,148 +48,148 @@ inline void vprint_colored(color c, wstring_view format, wformat_args args) {
#else
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
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
enum class terminal_color : uint8_t {
black = 30,
@@ -226,7 +226,8 @@ struct rgb {
FMT_CONSTEXPR rgb(uint32_t hex)
: r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b(hex & 0xFF) {}
FMT_CONSTEXPR rgb(color hex)
: r((uint32_t(hex) >> 16) & 0xFF), g((uint32_t(hex) >> 8) & 0xFF),
: r((uint32_t(hex) >> 16) & 0xFF),
g((uint32_t(hex) >> 8) & 0xFF),
b(uint32_t(hex) & 0xFF) {}
uint8_t r;
uint8_t g;
@@ -237,19 +238,17 @@ namespace internal {
// color is a struct of either a rgb color or a terminal color.
struct color_type {
FMT_CONSTEXPR color_type() FMT_NOEXCEPT
: is_rgb(), value{} {}
FMT_CONSTEXPR color_type(color rgb_color) FMT_NOEXCEPT
: is_rgb(true), value{} {
FMT_CONSTEXPR color_type() FMT_NOEXCEPT : is_rgb(), value{} {}
FMT_CONSTEXPR color_type(color rgb_color) FMT_NOEXCEPT : is_rgb(true),
value{} {
value.rgb_color = static_cast<uint32_t>(rgb_color);
}
FMT_CONSTEXPR color_type(rgb rgb_color) FMT_NOEXCEPT
: is_rgb(true), value{} {
value.rgb_color = (static_cast<uint32_t>(rgb_color.r) << 16)
| (static_cast<uint32_t>(rgb_color.g) << 8) | rgb_color.b;
FMT_CONSTEXPR color_type(rgb rgb_color) FMT_NOEXCEPT : is_rgb(true), value{} {
value.rgb_color = (static_cast<uint32_t>(rgb_color.r) << 16) |
(static_cast<uint32_t>(rgb_color.g) << 8) | rgb_color.b;
}
FMT_CONSTEXPR color_type(terminal_color term_color) FMT_NOEXCEPT
: is_rgb(), value{} {
FMT_CONSTEXPR color_type(terminal_color term_color) FMT_NOEXCEPT : is_rgb(),
value{} {
value.term_color = static_cast<uint8_t>(term_color);
}
bool is_rgb;
@@ -258,15 +257,17 @@ struct color_type {
uint32_t rgb_color;
} value;
};
} // namespace internal
} // namespace internal
// Experimental text formatting support.
class text_style {
public:
FMT_CONSTEXPR text_style(emphasis em = emphasis()) FMT_NOEXCEPT
: set_foreground_color(), set_background_color(), ems(em) {}
: set_foreground_color(),
set_background_color(),
ems(em) {}
FMT_CONSTEXPR text_style &operator|=(const text_style &rhs) {
FMT_CONSTEXPR text_style& operator|=(const text_style& rhs) {
if (!set_foreground_color) {
set_foreground_color = rhs.set_foreground_color;
foreground_color = rhs.foreground_color;
@@ -290,12 +291,12 @@ class text_style {
return *this;
}
friend FMT_CONSTEXPR
text_style operator|(text_style lhs, const text_style &rhs) {
friend FMT_CONSTEXPR text_style operator|(text_style lhs,
const text_style& rhs) {
return lhs |= rhs;
}
FMT_CONSTEXPR text_style &operator&=(const text_style &rhs) {
FMT_CONSTEXPR text_style& operator&=(const text_style& rhs) {
if (!set_foreground_color) {
set_foreground_color = rhs.set_foreground_color;
foreground_color = rhs.foreground_color;
@@ -319,8 +320,8 @@ class text_style {
return *this;
}
friend FMT_CONSTEXPR
text_style operator&(text_style lhs, const text_style &rhs) {
friend FMT_CONSTEXPR text_style operator&(text_style lhs,
const text_style& rhs) {
return lhs &= rhs;
}
@@ -346,20 +347,20 @@ class text_style {
return ems;
}
private:
FMT_CONSTEXPR text_style(bool is_foreground,
internal::color_type text_color) FMT_NOEXCEPT
: set_foreground_color(),
set_background_color(),
ems() {
if (is_foreground) {
foreground_color = text_color;
set_foreground_color = true;
} else {
background_color = text_color;
set_background_color = true;
}
}
private:
FMT_CONSTEXPR text_style(bool is_foreground,
internal::color_type text_color) FMT_NOEXCEPT
: set_foreground_color(),
set_background_color(),
ems() {
if (is_foreground) {
foreground_color = text_color;
set_foreground_color = true;
} else {
background_color = text_color;
set_background_color = true;
}
}
friend FMT_CONSTEXPR_DECL text_style fg(internal::color_type foreground)
FMT_NOEXCEPT;
@@ -387,10 +388,9 @@ FMT_CONSTEXPR text_style operator|(emphasis lhs, emphasis rhs) FMT_NOEXCEPT {
namespace internal {
template <typename Char>
struct ansi_color_escape {
template <typename Char> struct ansi_color_escape {
FMT_CONSTEXPR ansi_color_escape(internal::color_type text_color,
const char * esc) FMT_NOEXCEPT {
const char* esc) FMT_NOEXCEPT {
// If we have a terminal color, we need to output another escape code
// sequence.
if (!text_color.is_rgb) {
@@ -398,8 +398,7 @@ struct ansi_color_escape {
uint32_t value = text_color.value.term_color;
// Background ASCII codes are the same as the foreground ones but with
// 10 more.
if (is_background)
value += 10u;
if (is_background) value += 10u;
std::size_t index = 0;
buffer[index++] = static_cast<Char>('\x1b');
@@ -421,7 +420,7 @@ struct ansi_color_escape {
buffer[i] = static_cast<Char>(esc[i]);
}
rgb color(text_color.value.rgb_color);
to_esc(color.r, buffer + 7, ';');
to_esc(color.r, buffer + 7, ';');
to_esc(color.g, buffer + 11, ';');
to_esc(color.b, buffer + 15, 'm');
buffer[19] = static_cast<Char>(0);
@@ -429,19 +428,15 @@ struct ansi_color_escape {
FMT_CONSTEXPR ansi_color_escape(emphasis em) FMT_NOEXCEPT {
uint8_t em_codes[4] = {};
uint8_t em_bits = static_cast<uint8_t>(em);
if (em_bits & static_cast<uint8_t>(emphasis::bold))
em_codes[0] = 1;
if (em_bits & static_cast<uint8_t>(emphasis::italic))
em_codes[1] = 3;
if (em_bits & static_cast<uint8_t>(emphasis::underline))
em_codes[2] = 4;
if (em_bits & static_cast<uint8_t>(emphasis::bold)) em_codes[0] = 1;
if (em_bits & static_cast<uint8_t>(emphasis::italic)) em_codes[1] = 3;
if (em_bits & static_cast<uint8_t>(emphasis::underline)) em_codes[2] = 4;
if (em_bits & static_cast<uint8_t>(emphasis::strikethrough))
em_codes[3] = 9;
std::size_t index = 0;
for (int i = 0; i < 4; ++i) {
if (!em_codes[i])
continue;
if (!em_codes[i]) continue;
buffer[index++] = static_cast<Char>('\x1b');
buffer[index++] = static_cast<Char>('[');
buffer[index++] = static_cast<Char>('0' + em_codes[i]);
@@ -449,19 +444,17 @@ struct ansi_color_escape {
}
buffer[index++] = static_cast<Char>(0);
}
FMT_CONSTEXPR operator const Char *() const FMT_NOEXCEPT { return buffer; }
FMT_CONSTEXPR operator const Char*() const FMT_NOEXCEPT { return buffer; }
FMT_CONSTEXPR const Char * begin() const FMT_NOEXCEPT {
return buffer;
}
FMT_CONSTEXPR const Char * end() const FMT_NOEXCEPT {
FMT_CONSTEXPR const Char* begin() const FMT_NOEXCEPT { return buffer; }
FMT_CONSTEXPR const Char* end() const FMT_NOEXCEPT {
return buffer + std::strlen(buffer);
}
private:
private:
Char buffer[7u + 3u * 4u + 1u];
static FMT_CONSTEXPR void to_esc(uint8_t c, Char *out,
static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out,
char delimiter) FMT_NOEXCEPT {
out[0] = static_cast<Char>('0' + c / 100);
out[1] = static_cast<Char>('0' + c / 10 % 10);
@@ -471,40 +464,37 @@ private:
};
template <typename Char>
FMT_CONSTEXPR ansi_color_escape<Char>
make_foreground_color(internal::color_type foreground) FMT_NOEXCEPT {
FMT_CONSTEXPR ansi_color_escape<Char> make_foreground_color(
internal::color_type foreground) FMT_NOEXCEPT {
return ansi_color_escape<Char>(foreground, internal::data::FOREGROUND_COLOR);
}
template <typename Char>
FMT_CONSTEXPR ansi_color_escape<Char>
make_background_color(internal::color_type background) FMT_NOEXCEPT {
FMT_CONSTEXPR ansi_color_escape<Char> make_background_color(
internal::color_type background) FMT_NOEXCEPT {
return ansi_color_escape<Char>(background, internal::data::BACKGROUND_COLOR);
}
template <typename Char>
FMT_CONSTEXPR ansi_color_escape<Char>
make_emphasis(emphasis em) FMT_NOEXCEPT {
FMT_CONSTEXPR ansi_color_escape<Char> make_emphasis(emphasis em) FMT_NOEXCEPT {
return ansi_color_escape<Char>(em);
}
template <typename Char>
inline void fputs(const Char *chars, FILE *stream) FMT_NOEXCEPT {
inline void fputs(const Char* chars, FILE* stream) FMT_NOEXCEPT {
std::fputs(chars, stream);
}
template <>
inline void fputs<wchar_t>(const wchar_t *chars, FILE *stream) FMT_NOEXCEPT {
inline void fputs<wchar_t>(const wchar_t* chars, FILE* stream) FMT_NOEXCEPT {
std::fputws(chars, stream);
}
template <typename Char>
inline void reset_color(FILE *stream) FMT_NOEXCEPT {
template <typename Char> inline void reset_color(FILE* stream) FMT_NOEXCEPT {
fputs(internal::data::RESET_COLOR, stream);
}
template <>
inline void reset_color<wchar_t>(FILE *stream) FMT_NOEXCEPT {
template <> inline void reset_color<wchar_t>(FILE* stream) FMT_NOEXCEPT {
fputs(internal::data::WRESET_COLOR, stream);
}
@@ -519,27 +509,24 @@ inline void reset_color(basic_memory_buffer<Char>& buffer) FMT_NOEXCEPT {
// which is needed because or else
// fmt::print(stderr, fmt::emphasis::bold, "");
// would take stderr (a std::FILE *) as the format string.
template <>
struct is_string<std::FILE *> : std::false_type {};
template <>
struct is_string<const std::FILE *> : std::false_type {};
template <> struct is_string<std::FILE*> : std::false_type {};
template <> struct is_string<const std::FILE*> : std::false_type {};
template <typename Char>
std::basic_string<Char> vformat(
const text_style &ts, basic_string_view<Char> format_str,
const text_style& ts, basic_string_view<Char> format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
basic_memory_buffer<Char> buffer;
bool has_style = false;
if (ts.has_emphasis()) {
has_style = true;
ansi_color_escape<Char> escape =
make_emphasis<Char>(ts.get_emphasis());
ansi_color_escape<Char> escape = make_emphasis<Char>(ts.get_emphasis());
buffer.append(escape.begin(), escape.end());
}
if (ts.has_foreground()) {
has_style = true;
ansi_color_escape<Char> escape =
make_foreground_color<Char>(ts.get_foreground());
make_foreground_color<Char>(ts.get_foreground());
buffer.append(escape.begin(), escape.end());
}
if (ts.has_background()) {
@@ -554,22 +541,20 @@ std::basic_string<Char> vformat(
}
return fmt::to_string(buffer);
}
} // namespace internal
} // namespace internal
template <
typename S, typename Char = typename internal::char_t<S>::type>
void vprint(std::FILE *f, const text_style &ts, const S &format,
template <typename S, typename Char = typename internal::char_t<S>::type>
void vprint(std::FILE* f, const text_style& ts, const S& format,
basic_format_args<typename buffer_context<Char>::type> args) {
bool has_style = false;
if (ts.has_emphasis()) {
has_style = true;
internal::fputs<Char>(
internal::make_emphasis<Char>(ts.get_emphasis()), f);
internal::fputs<Char>(internal::make_emphasis<Char>(ts.get_emphasis()), f);
}
if (ts.has_foreground()) {
has_style = true;
internal::fputs<Char>(
internal::make_foreground_color<Char>(ts.get_foreground()), f);
internal::make_foreground_color<Char>(ts.get_foreground()), f);
}
if (ts.has_background()) {
has_style = true;
@@ -591,8 +576,8 @@ void vprint(std::FILE *f, const text_style &ts, const S &format,
*/
template <typename String, typename... Args>
typename std::enable_if<internal::is_string<String>::value>::type print(
std::FILE *f, const text_style &ts, const String &format_str,
const Args &... args) {
std::FILE* f, const text_style& ts, const String& format_str,
const Args&... args) {
internal::check_format_string<Args...>(format_str);
typedef typename internal::char_t<String>::type char_t;
typedef typename buffer_context<char_t>::type context_t;
@@ -609,16 +594,13 @@ typename std::enable_if<internal::is_string<String>::value>::type print(
*/
template <typename String, typename... Args>
typename std::enable_if<internal::is_string<String>::value>::type print(
const text_style &ts, const String &format_str,
const Args &... args) {
const text_style& ts, const String& format_str, const Args&... args) {
return print(stdout, ts, format_str, args...);
}
template <typename S, typename Char = FMT_CHAR(S)>
inline std::basic_string<Char> vformat(
const text_style &ts,
const S &format_str,
const text_style& ts, const S& format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
return internal::vformat(ts, to_string_view(format_str), args);
}
@@ -636,11 +618,12 @@ inline std::basic_string<Char> vformat(
\endrst
*/
template <typename S, typename... Args>
inline std::basic_string<FMT_CHAR(S)> format(
const text_style &ts, const S &format_str, const Args &... args) {
inline std::basic_string<FMT_CHAR(S)> format(const text_style& ts,
const S& format_str,
const Args&... args) {
return internal::vformat(
ts, to_string_view(format_str),
*internal::checked_args<S, Args...>(format_str, args...));
ts, to_string_view(format_str),
*internal::checked_args<S, Args...>(format_str, args...));
}
#endif

805
include/fmt/core.h
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508
include/fmt/format-inl.h
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@@ -20,45 +20,45 @@
#include <cstddef> // for std::ptrdiff_t
#include <cstring> // for std::memmove
#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
# include <locale>
# include <locale>
#endif
#if FMT_USE_WINDOWS_H
# if !defined(FMT_HEADER_ONLY) && !defined(WIN32_LEAN_AND_MEAN)
# define WIN32_LEAN_AND_MEAN
# endif
# if defined(NOMINMAX) || defined(FMT_WIN_MINMAX)
# include <windows.h>
# else
# define NOMINMAX
# include <windows.h>
# undef NOMINMAX
# endif
# if !defined(FMT_HEADER_ONLY) && !defined(WIN32_LEAN_AND_MEAN)
# define WIN32_LEAN_AND_MEAN
# endif
# if defined(NOMINMAX) || defined(FMT_WIN_MINMAX)
# include <windows.h>
# else
# define NOMINMAX
# include <windows.h>
# undef NOMINMAX
# endif
#endif
#if FMT_EXCEPTIONS
# define FMT_TRY try
# define FMT_CATCH(x) catch (x)
# define FMT_TRY try
# define FMT_CATCH(x) catch (x)
#else
# define FMT_TRY if (true)
# define FMT_CATCH(x) if (false)
# define FMT_TRY if (true)
# define FMT_CATCH(x) if (false)
#endif
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable: 4127) // conditional expression is constant
# pragma warning(disable: 4702) // unreachable code
# pragma warning(push)
# pragma warning(disable : 4127) // conditional expression is constant
# pragma warning(disable : 4702) // unreachable code
// Disable deprecation warning for strerror. The latter is not called but
// MSVC fails to detect it.
# pragma warning(disable: 4996)
# pragma warning(disable : 4996)
#endif
// Dummy implementations of strerror_r and strerror_s called if corresponding
// 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<>();
}
inline fmt::internal::null<> strerror_s(char *, std::size_t, ...) {
inline fmt::internal::null<> strerror_s(char*, std::size_t, ...) {
return fmt::internal::null<>();
}
@@ -67,25 +67,25 @@ FMT_BEGIN_NAMESPACE
namespace {
#ifndef _MSC_VER
# define FMT_SNPRINTF snprintf
# define FMT_SNPRINTF snprintf
#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_start(args, format);
int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args);
va_end(args);
return result;
}
# define FMT_SNPRINTF fmt_snprintf
# define FMT_SNPRINTF fmt_snprintf
#endif // _MSC_VER
#if defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
# define FMT_SWPRINTF snwprintf
# define FMT_SWPRINTF snwprintf
#else
# define FMT_SWPRINTF swprintf
#endif // defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
# define FMT_SWPRINTF swprintf
#endif // defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
typedef void (*FormatFunc)(internal::buffer &, int, string_view);
typedef void (*FormatFunc)(internal::buffer&, int, string_view);
// Portable thread-safe version of strerror.
// Sets buffer to point to a string describing the error code.
@@ -96,18 +96,18 @@ typedef void (*FormatFunc)(internal::buffer &, int, string_view);
// ERANGE - buffer is not large enough to store the error message
// other - failure
// 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");
class dispatcher {
private:
int error_code_;
char *&buffer_;
char*& buffer_;
std::size_t buffer_size_;
// A noop assignment operator to avoid bogus warnings.
void operator=(const dispatcher &) {}
void operator=(const dispatcher&) {}
// Handle the result of XSI-compliant version of strerror_r.
int handle(int result) {
@@ -116,7 +116,7 @@ int safe_strerror(
}
// 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 (message == buffer_ && strlen(buffer_) == buffer_size_ - 1)
return ERANGE;
@@ -132,8 +132,8 @@ int safe_strerror(
// Fallback to strerror_s when strerror_r is not available.
int fallback(int result) {
// 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;
}
#if !FMT_MSC_VER
@@ -146,17 +146,15 @@ int safe_strerror(
#endif
public:
dispatcher(int err_code, char *&buf, std::size_t buf_size)
: error_code_(err_code), buffer_(buf), buffer_size_(buf_size) {}
dispatcher(int err_code, char*& buf, std::size_t buf_size)
: error_code_(err_code), buffer_(buf), buffer_size_(buf_size) {}
int run() {
return handle(strerror_r(error_code_, buffer_, buffer_size_));
}
int run() { return handle(strerror_r(error_code_, buffer_, buffer_size_)); }
};
return dispatcher(error_code, buffer, buffer_size).run();
}
void format_error_code(internal::buffer &out, int error_code,
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
// inline_buffer_size to avoid dynamic memory allocation and potential
@@ -195,11 +193,10 @@ void report_error(FormatFunc func, int error_code,
} // namespace
FMT_FUNC size_t internal::count_code_points(basic_string_view<char8_t> s) {
const char8_t *data = s.data();
const char8_t* data = s.data();
size_t num_code_points = 0;
for (size_t i = 0, size = s.size(); i != size; ++i) {
if ((data[i] & 0xc0) != 0x80)
++num_code_points;
if ((data[i] & 0xc0) != 0x80) ++num_code_points;
}
return num_code_points;
}
@@ -208,22 +205,20 @@ FMT_FUNC size_t internal::count_code_points(basic_string_view<char8_t> s) {
namespace internal {
template <typename Locale>
locale_ref::locale_ref(const Locale &loc) : locale_(&loc) {
locale_ref::locale_ref(const Locale& loc) : locale_(&loc) {
static_assert(std::is_same<Locale, std::locale>::value, "");
}
template <typename Locale>
Locale locale_ref::get() const {
template <typename Locale> Locale locale_ref::get() const {
static_assert(std::is_same<Locale, std::locale>::value, "");
return locale_ ? *static_cast<const std::locale*>(locale_) : std::locale();
}
template <typename Char>
FMT_FUNC Char thousands_sep_impl(locale_ref loc) {
return std::use_facet<std::numpunct<Char> >(
loc.get<std::locale>()).thousands_sep();
}
template <typename Char> FMT_FUNC Char thousands_sep_impl(locale_ref loc) {
return std::use_facet<std::numpunct<Char> >(loc.get<std::locale>())
.thousands_sep();
}
} // namespace internal
#else
template <typename Char>
FMT_FUNC Char internal::thousands_sep_impl(locale_ref) {
@@ -231,31 +226,30 @@ FMT_FUNC Char internal::thousands_sep_impl(locale_ref) {
}
#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;
memory_buffer buffer;
format_system_error(buffer, err_code, vformat(format_str, args));
std::runtime_error &base = *this;
std::runtime_error& base = *this;
base = std::runtime_error(to_string(buffer));
}
namespace internal {
template <typename T>
int char_traits<char>::format_float(
char *buf, std::size_t size, const char *format, int precision, T value) {
return precision < 0 ?
FMT_SNPRINTF(buf, size, format, value) :
FMT_SNPRINTF(buf, size, format, precision, value);
int char_traits<char>::format_float(char* buf, std::size_t size,
const char* format, int precision,
T value) {
return precision < 0 ? FMT_SNPRINTF(buf, size, format, value)
: FMT_SNPRINTF(buf, size, format, precision, value);
}
template <typename T>
int char_traits<wchar_t>::format_float(
wchar_t *buf, std::size_t size, const wchar_t *format, int precision,
T value) {
return precision < 0 ?
FMT_SWPRINTF(buf, size, format, value) :
FMT_SWPRINTF(buf, size, format, precision, value);
int char_traits<wchar_t>::format_float(wchar_t* buf, std::size_t size,
const wchar_t* format, int precision,
T value) {
return precision < 0 ? FMT_SWPRINTF(buf, size, format, value)
: FMT_SWPRINTF(buf, size, format, precision, value);
}
template <typename T>
@@ -266,86 +260,75 @@ const char basic_data<T>::DIGITS[] =
"6061626364656667686970717273747576777879"
"8081828384858687888990919293949596979899";
#define FMT_POWERS_OF_10(factor) \
factor * 10, \
factor * 100, \
factor * 1000, \
factor * 10000, \
factor * 100000, \
factor * 1000000, \
factor * 10000000, \
factor * 100000000, \
factor * 1000000000
#define FMT_POWERS_OF_10(factor) \
factor * 10, factor * 100, factor * 1000, factor * 10000, factor * 100000, \
factor * 1000000, factor * 10000000, factor * 100000000, \
factor * 1000000000
template <typename T>
const uint32_t basic_data<T>::POWERS_OF_10_32[] = {
1, FMT_POWERS_OF_10(1)
};
const uint32_t basic_data<T>::POWERS_OF_10_32[] = {1, FMT_POWERS_OF_10(1)};
template <typename T>
const uint32_t basic_data<T>::ZERO_OR_POWERS_OF_10_32[] = {
0, FMT_POWERS_OF_10(1)
};
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
};
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.
// These are generated by support/compute-powers.py.
template <typename T>
const uint64_t basic_data<T>::POW10_SIGNIFICANDS[] = {
0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76,
0xcf42894a5dce35ea, 0x9a6bb0aa55653b2d, 0xe61acf033d1a45df,
0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c,
0x8dd01fad907ffc3c, 0xd3515c2831559a83, 0x9d71ac8fada6c9b5,
0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57,
0xc21094364dfb5637, 0x9096ea6f3848984f, 0xd77485cb25823ac7,
0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e,
0x84c8d4dfd2c63f3b, 0xc5dd44271ad3cdba, 0x936b9fcebb25c996,
0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126,
0xb5b5ada8aaff80b8, 0x87625f056c7c4a8b, 0xc9bcff6034c13053,
0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f,
0xf8a95fcf88747d94, 0xb94470938fa89bcf, 0x8a08f0f8bf0f156b,
0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06,
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,
0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76,
0xcf42894a5dce35ea, 0x9a6bb0aa55653b2d, 0xe61acf033d1a45df,
0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c,
0x8dd01fad907ffc3c, 0xd3515c2831559a83, 0x9d71ac8fada6c9b5,
0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57,
0xc21094364dfb5637, 0x9096ea6f3848984f, 0xd77485cb25823ac7,
0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e,
0x84c8d4dfd2c63f3b, 0xc5dd44271ad3cdba, 0x936b9fcebb25c996,
0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126,
0xb5b5ada8aaff80b8, 0x87625f056c7c4a8b, 0xc9bcff6034c13053,
0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f,
0xf8a95fcf88747d94, 0xb94470938fa89bcf, 0x8a08f0f8bf0f156b,
0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06,
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
// to significands above.
template <typename T>
const int16_t basic_data<T>::POW10_EXPONENTS[] = {
-1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954,
-927, -901, -874, -847, -821, -794, -768, -741, -715, -688, -661,
-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
};
-1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954,
-927, -901, -874, -847, -821, -794, -768, -741, -715, -688, -661,
-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> const char basic_data<T>::FOREGROUND_COLOR[] = "\x1b[38;2;";
template <typename T> const char basic_data<T>::BACKGROUND_COLOR[] = "\x1b[48;2;";
template <typename T>
const char basic_data<T>::FOREGROUND_COLOR[] = "\x1b[38;2;";
template <typename T>
const char basic_data<T>::BACKGROUND_COLOR[] = "\x1b[48;2;";
template <typename T> const char basic_data<T>::RESET_COLOR[] = "\x1b[0m";
template <typename T> const wchar_t basic_data<T>::WRESET_COLOR[] = L"\x1b[0m";
@@ -356,33 +339,32 @@ class fp {
// All sizes are in bits.
static FMT_CONSTEXPR_DECL const int char_size =
std::numeric_limits<unsigned char>::digits;
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;
std::numeric_limits<double>::digits - 1;
static FMT_CONSTEXPR_DECL const uint64_t implicit_bit =
1ull << double_significand_size;
1ull << double_significand_size;
public:
significand_type f;
int e;
static FMT_CONSTEXPR_DECL const int significand_size =
sizeof(significand_type) * char_size;
sizeof(significand_type) * char_size;
fp(): f(0), e(0) {}
fp(uint64_t f_val, int e_val): f(f_val), e(e_val) {}
fp() : f(0), e(0) {}
fp(uint64_t f_val, int e_val) : f(f_val), e(e_val) {}
// 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) {
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
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;
@@ -397,8 +379,7 @@ class fp {
}
// Normalizes the value converted from double and multiplied by (1 << SHIFT).
template <int SHIFT = 0>
void normalize() {
template <int SHIFT = 0> void normalize() {
// Handle subnormals.
auto shifted_implicit_bit = implicit_bit << SHIFT;
while ((f & shifted_implicit_bit) == 0) {
@@ -415,9 +396,9 @@ class fp {
// 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);
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;
@@ -432,12 +413,13 @@ inline fp operator-(fp x, fp y) {
}
// 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.
// 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_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.
@@ -450,10 +432,10 @@ FMT_FUNC fp operator*(fp x, fp y) {
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)
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.
const int first_dec_exp = -348;
// Difference between 2 consecutive decimal exponents in cached powers of 10.
@@ -463,55 +445,84 @@ FMT_FUNC fp get_cached_power(int min_exponent, int &pow10_exponent) {
return fp(data::POW10_SIGNIFICANDS[index], data::POW10_EXPONENTS[index]);
}
FMT_FUNC bool grisu2_round(
char *buf, int &size, int max_digits, uint64_t delta,
uint64_t remainder, uint64_t exp, uint64_t diff, int &exp10) {
while (remainder < diff && delta - remainder >= exp &&
(remainder + exp < diff || diff - remainder > remainder + exp - diff)) {
FMT_FUNC bool grisu2_round(char* buf, int& size, int max_digits, uint64_t delta,
uint64_t remainder, uint64_t exp, uint64_t diff,
int& exp10) {
while (
remainder < diff && delta - remainder >= exp &&
(remainder + exp < diff || diff - remainder > remainder + exp - diff)) {
--buf[size - 1];
remainder += exp;
}
if (size > max_digits) {
--size;
++exp10;
if (buf[size] >= '5')
return false;
if (buf[size] >= '5') return false;
}
return true;
}
// Generates output using Grisu2 digit-gen algorithm.
FMT_FUNC bool grisu2_gen_digits(
char *buf, int &size, uint32_t hi, uint64_t lo, int &exp,
uint64_t delta, const fp &one, const fp &diff, int max_digits) {
FMT_FUNC bool grisu2_gen_digits(char* buf, int& size, uint32_t hi, uint64_t lo,
int& exp, uint64_t delta, const fp& one,
const fp& diff, int max_digits) {
// Generate digits for the most significant part (hi).
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;
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)
buf[size++] = static_cast<char>('0' + digit);
if (digit != 0 || size != 0) buf[size++] = static_cast<char>('0' + digit);
--exp;
uint64_t remainder = (static_cast<uint64_t>(hi) << -one.e) + lo;
if (remainder <= delta || size > max_digits) {
return grisu2_round(
buf, size, max_digits, delta, remainder,
static_cast<uint64_t>(data::POWERS_OF_10_32[exp]) << -one.e,
diff.f, exp);
buf, size, max_digits, delta, remainder,
static_cast<uint64_t>(data::POWERS_OF_10_32[exp]) << -one.e, diff.f,
exp);
}
}
// Generate digits for the least significant part (lo).
@@ -519,8 +530,7 @@ FMT_FUNC bool grisu2_gen_digits(
lo *= 10;
delta *= 10;
char digit = static_cast<char>(lo >> -one.e);
if (digit != 0 || size != 0)
buf[size++] = static_cast<char>('0' + digit);
if (digit != 0 || size != 0) buf[size++] = static_cast<char>('0' + digit);
lo &= one.f - 1;
--exp;
if (lo < delta || size > max_digits) {
@@ -531,11 +541,11 @@ FMT_FUNC bool grisu2_gen_digits(
}
#if FMT_CLANG_VERSION
# define FMT_FALLTHROUGH [[clang::fallthrough]];
# define FMT_FALLTHROUGH [[clang::fallthrough]];
#elif FMT_GCC_VERSION >= 700
# define FMT_FALLTHROUGH [[gnu::fallthrough]];
# define FMT_FALLTHROUGH [[gnu::fallthrough]];
#else
# define FMT_FALLTHROUGH
# define FMT_FALLTHROUGH
#endif
struct gen_digits_params {
@@ -546,19 +556,18 @@ struct gen_digits_params {
};
struct prettify_handler {
char *data;
char* data;
ptrdiff_t size;
buffer &buf;
buffer& buf;
explicit prettify_handler(buffer &b, ptrdiff_t n)
: data(b.data()), size(n), buf(b) {}
explicit prettify_handler(buffer& b, ptrdiff_t n)
: data(b.data()), size(n), buf(b) {}
~prettify_handler() {
assert(buf.size() >= to_unsigned(size));
buf.resize(to_unsigned(size));
}
template <typename F>
void insert(ptrdiff_t pos, ptrdiff_t n, F f) {
template <typename F> void insert(ptrdiff_t pos, ptrdiff_t n, F f) {
std::memmove(data + pos + n, data + pos, to_unsigned(size - pos));
f(data + pos);
size += n;
@@ -583,8 +592,7 @@ struct prettify_handler {
};
// Writes the exponent exp in the form "[+-]d{2,3}" to buffer.
template <typename Handler>
FMT_FUNC void write_exponent(int exp, Handler &&h) {
template <typename Handler> FMT_FUNC void write_exponent(int exp, Handler&& h) {
FMT_ASSERT(-1000 < exp && exp < 1000, "exponent out of range");
if (exp < 0) {
h.append('-');
@@ -595,11 +603,11 @@ FMT_FUNC void write_exponent(int exp, Handler &&h) {
if (exp >= 100) {
h.append(static_cast<char>('0' + exp / 100));
exp %= 100;
const char *d = data::DIGITS + exp * 2;
const char* d = data::DIGITS + exp * 2;
h.append(d[0]);
h.append(d[1]);
} else {
const char *d = data::DIGITS + exp * 2;
const char* d = data::DIGITS + exp * 2;
h.append(d[0]);
h.append(d[1]);
}
@@ -607,7 +615,7 @@ FMT_FUNC void write_exponent(int exp, Handler &&h) {
struct fill {
size_t n;
void operator()(char *buf) const {
void operator()(char* buf) const {
buf[0] = '0';
buf[1] = '.';
std::uninitialized_fill_n(buf + 2, n, '0');
@@ -616,14 +624,13 @@ struct fill {
// The number is given as v = f * pow(10, exp), where f has size digits.
template <typename Handler>
FMT_FUNC void grisu2_prettify(const gen_digits_params &params,
int size, int exp, Handler &&handler) {
FMT_FUNC void grisu2_prettify(const gen_digits_params& params, int size,
int exp, Handler&& handler) {
if (!params.fixed) {
// Insert a decimal point after the first digit and add an exponent.
handler.insert(1, '.');
exp += size - 1;
if (size < params.num_digits)
handler.append(params.num_digits - size, '0');
if (size < params.num_digits) handler.append(params.num_digits - size, '0');
handler.append(params.upper ? 'E' : 'e');
write_exponent(exp, handler);
return;
@@ -659,8 +666,7 @@ FMT_FUNC void grisu2_prettify(const gen_digits_params &params,
struct char_counter {
ptrdiff_t size;
template <typename F>
void insert(ptrdiff_t, ptrdiff_t n, F) { size += n; }
template <typename F> void insert(ptrdiff_t, ptrdiff_t n, F) { size += n; }
void insert(ptrdiff_t, char) { ++size; }
void append(ptrdiff_t n, char) { size += n; }
void append(char) { ++size; }
@@ -670,15 +676,16 @@ struct char_counter {
// Converts format specifiers into parameters for digit generation and computes
// output buffer size for a number in the range [pow(10, exp - 1), pow(10, exp)
// or 0 if exp == 1.
FMT_FUNC gen_digits_params process_specs(const core_format_specs &specs,
int exp, buffer &buf) {
FMT_FUNC gen_digits_params process_specs(const core_format_specs& specs,
int exp, buffer& buf) {
auto params = gen_digits_params();
int num_digits = specs.precision >= 0 ? specs.precision : 6;
switch (specs.type) {
case 'G':
params.upper = true;
FMT_FALLTHROUGH
case '\0': case 'g':
case '\0':
case 'g':
params.trailing_zeros = (specs.flags & HASH_FLAG) != 0;
if (-4 <= exp && exp < num_digits + 1) {
params.fixed = true;
@@ -693,8 +700,7 @@ FMT_FUNC gen_digits_params process_specs(const core_format_specs &specs,
params.fixed = true;
params.trailing_zeros = true;
int adjusted_min_digits = num_digits + exp;
if (adjusted_min_digits > 0)
num_digits = adjusted_min_digits;
if (adjusted_min_digits > 0) num_digits = adjusted_min_digits;
break;
}
case 'E':
@@ -713,7 +719,7 @@ FMT_FUNC gen_digits_params process_specs(const core_format_specs &specs,
template <typename Double>
FMT_FUNC typename std::enable_if<sizeof(Double) == sizeof(uint64_t), bool>::type
grisu2_format(Double value, buffer &buf, core_format_specs specs) {
grisu2_format(Double value, buffer& buf, core_format_specs specs) {
FMT_ASSERT(value >= 0, "value is negative");
if (value == 0) {
gen_digits_params params = process_specs(specs, 1, buf);
@@ -728,13 +734,13 @@ FMT_FUNC typename std::enable_if<sizeof(Double) == sizeof(uint64_t), bool>::type
fp_value.compute_boundaries(lower, upper);
// Find a cached power of 10 close to 1 / upper and use it to scale upper.
const int min_exp = -60; // alpha in Grisu.
int cached_exp = 0; // K in Grisu.
const int min_exp = -60; // alpha in Grisu.
int cached_exp = 0; // K in Grisu.
auto cached_pow = get_cached_power( // \tilde{c}_{-k} in Grisu.
min_exp - (upper.e + fp::significand_size), cached_exp);
cached_exp = -cached_exp;
upper = upper * cached_pow; // \tilde{M}^+ in Grisu.
--upper.f; // \tilde{M}^+ - 1 ulp -> M^+_{\downarrow}.
--upper.f; // \tilde{M}^+ - 1 ulp -> M^+_{\downarrow}.
fp one(1ull << -upper.e, upper.e);
// hi (p1 in Grisu) contains the most significant digits of scaled_upper.
// hi = floor(upper / one).
@@ -744,9 +750,9 @@ FMT_FUNC typename std::enable_if<sizeof(Double) == sizeof(uint64_t), bool>::type
fp_value.normalize();
fp scaled_value = fp_value * cached_pow;
lower = lower * cached_pow; // \tilde{M}^- in Grisu.
++lower.f; // \tilde{M}^- + 1 ulp -> M^-_{\uparrow}.
++lower.f; // \tilde{M}^- + 1 ulp -> M^-_{\uparrow}.
uint64_t delta = upper.f - lower.f;
fp diff = upper - scaled_value; // wp_w in Grisu.
fp diff = upper - scaled_value; // wp_w in Grisu.
// lo (p2 in Grisu) contains the least significants digits of scaled_upper.
// lo = supper % one.
uint64_t lo = upper.f & (one.f - 1);
@@ -761,29 +767,27 @@ FMT_FUNC typename std::enable_if<sizeof(Double) == sizeof(uint64_t), bool>::type
}
template <typename Double>
void sprintf_format(Double value, internal::buffer &buf,
void sprintf_format(Double value, internal::buffer& buf,
core_format_specs spec) {
// Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail.
FMT_ASSERT(buf.capacity() != 0, "empty buffer");
// Build format string.
enum { MAX_FORMAT_SIZE = 10}; // longest format: %#-*.*Lg
enum { MAX_FORMAT_SIZE = 10 }; // longest format: %#-*.*Lg
char format[MAX_FORMAT_SIZE];
char *format_ptr = format;
char* format_ptr = format;
*format_ptr++ = '%';
if (spec.has(HASH_FLAG))
*format_ptr++ = '#';
if (spec.has(HASH_FLAG)) *format_ptr++ = '#';
if (spec.precision >= 0) {
*format_ptr++ = '.';
*format_ptr++ = '*';
}
if (std::is_same<Double, long double>::value)
*format_ptr++ = 'L';
if (std::is_same<Double, long double>::value) *format_ptr++ = 'L';
*format_ptr++ = spec.type;
*format_ptr = '\0';
// Format using snprintf.
char *start = FMT_NULL;
char* start = FMT_NULL;
for (;;) {
std::size_t buffer_size = buf.capacity();
start = &buf[0];
@@ -819,28 +823,25 @@ FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s) {
return;
}
int length = MultiByteToWideChar(
CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, FMT_NULL, 0);
if (length == 0)
FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
int length = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, s.data(),
s_size, FMT_NULL, 0);
if (length == 0) FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
buffer_.resize(length + 1);
length = MultiByteToWideChar(
CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, &buffer_[0], length);
if (length == 0)
FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
length = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size,
&buffer_[0], length);
if (length == 0) FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
buffer_[length] = 0;
}
FMT_FUNC internal::utf16_to_utf8::utf16_to_utf8(wstring_view s) {
if (int error_code = convert(s)) {
FMT_THROW(windows_error(error_code,
"cannot convert string from UTF-16 to UTF-8"));
"cannot convert string from UTF-16 to UTF-8"));
}
}
FMT_FUNC int internal::utf16_to_utf8::convert(wstring_view s) {
if (s.size() > INT_MAX)
return ERROR_INVALID_PARAMETER;
if (s.size() > INT_MAX) return ERROR_INVALID_PARAMETER;
int s_size = static_cast<int>(s.size());
if (s_size == 0) {
// WideCharToMultiByte does not support zero length, handle separately.
@@ -849,39 +850,38 @@ FMT_FUNC int internal::utf16_to_utf8::convert(wstring_view s) {
return 0;
}
int length = WideCharToMultiByte(
CP_UTF8, 0, s.data(), s_size, FMT_NULL, 0, FMT_NULL, FMT_NULL);
if (length == 0)
return GetLastError();
int length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, FMT_NULL, 0,
FMT_NULL, FMT_NULL);
if (length == 0) return GetLastError();
buffer_.resize(length + 1);
length = WideCharToMultiByte(
CP_UTF8, 0, s.data(), s_size, &buffer_[0], length, FMT_NULL, FMT_NULL);
if (length == 0)
return GetLastError();
length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, &buffer_[0],
length, FMT_NULL, FMT_NULL);
if (length == 0) return GetLastError();
buffer_[length] = 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;
memory_buffer buffer;
internal::format_windows_error(buffer, err_code, vformat(format_str, args));
std::runtime_error &base = *this;
std::runtime_error& base = *this;
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 {
wmemory_buffer buf;
buf.resize(inline_buffer_size);
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, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
system_message, static_cast<uint32_t>(buf.size()), FMT_NULL);
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 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;
if (utf8_message.convert(system_message) == ERROR_SUCCESS) {
@@ -897,19 +897,20 @@ FMT_FUNC void internal::format_windows_error(
break; // Can't get error message, report error code instead.
buf.resize(buf.size() * 2);
}
} FMT_CATCH(...) {}
}
FMT_CATCH(...) {}
format_error_code(out, error_code, message);
}
#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 {
memory_buffer buf;
buf.resize(inline_buffer_size);
for (;;) {
char *system_message = &buf[0];
char* system_message = &buf[0];
int result = safe_strerror(error_code, system_message, buf.size());
if (result == 0) {
writer w(out);
@@ -922,34 +923,35 @@ FMT_FUNC void format_system_error(
break; // Can't get error message, report error code instead.
buf.resize(buf.size() * 2);
}
} FMT_CATCH(...) {}
}
FMT_CATCH(...) {}
format_error_code(out, error_code, message);
}
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_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);
}
#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);
}
#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;
internal::vformat_to(buffer, format_str,
basic_format_args<buffer_context<char>::type>(args));
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;
internal::vformat_to(buffer, format_str, args);
std::fwrite(buffer.data(), sizeof(wchar_t), buffer.size(), f);
@@ -966,7 +968,7 @@ FMT_FUNC void vprint(wstring_view format_str, wformat_args args) {
FMT_END_NAMESPACE
#ifdef _MSC_VER
# pragma warning(pop)
# pragma warning(pop)
#endif
#endif // FMT_FORMAT_INL_H_

1542
include/fmt/format.h
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File diff suppressed because it is too large Load Diff

42
include/fmt/locale.h
View File

@@ -8,63 +8,65 @@
#ifndef FMT_LOCALE_H_
#define FMT_LOCALE_H_
#include "format.h"
#include <locale>
#include "format.h"
FMT_BEGIN_NAMESPACE
namespace internal {
template <typename Char>
typename buffer_context<Char>::type::iterator vformat_to(
const std::locale &loc, basic_buffer<Char> &buf,
const std::locale& loc, basic_buffer<Char>& buf,
basic_string_view<Char> format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
typedef back_insert_range<basic_buffer<Char> > range;
return vformat_to<arg_formatter<range>>(
buf, to_string_view(format_str), args, internal::locale_ref(loc));
typedef back_insert_range<basic_buffer<Char>> range;
return vformat_to<arg_formatter<range>>(buf, to_string_view(format_str), args,
internal::locale_ref(loc));
}
template <typename Char>
std::basic_string<Char> vformat(
const std::locale &loc, basic_string_view<Char> format_str,
const std::locale& loc, basic_string_view<Char> format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
basic_memory_buffer<Char> buffer;
internal::vformat_to(loc, buffer, format_str, args);
return fmt::to_string(buffer);
}
}
} // namespace internal
template <typename S, typename Char = FMT_CHAR(S)>
inline std::basic_string<Char> vformat(
const std::locale &loc, const S &format_str,
const std::locale& loc, const S& format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
return internal::vformat(loc, to_string_view(format_str), args);
}
template <typename S, typename... Args>
inline std::basic_string<FMT_CHAR(S)> format(
const std::locale &loc, const S &format_str, const Args &... args) {
inline std::basic_string<FMT_CHAR(S)> format(const std::locale& loc,
const S& format_str,
const Args&... args) {
return internal::vformat(
loc, to_string_view(format_str),
*internal::checked_args<S, Args...>(format_str, args...));
loc, to_string_view(format_str),
*internal::checked_args<S, Args...>(format_str, args...));
}
template <typename String, typename OutputIt, typename... Args>
inline typename std::enable_if<internal::is_output_iterator<OutputIt>::value,
OutputIt>::type
vformat_to(OutputIt out, const std::locale &loc, const String &format_str,
typename format_args_t<OutputIt, FMT_CHAR(String)>::type args) {
vformat_to(OutputIt out, const std::locale& loc, const String& format_str,
typename format_args_t<OutputIt, FMT_CHAR(String)>::type args) {
typedef output_range<OutputIt, FMT_CHAR(String)> range;
return vformat_to<arg_formatter<range>>(
range(out), to_string_view(format_str), args, internal::locale_ref(loc));
range(out), to_string_view(format_str), args, internal::locale_ref(loc));
}
template <typename OutputIt, typename S, typename... Args>
inline typename std::enable_if<
internal::is_string<S>::value &&
internal::is_output_iterator<OutputIt>::value, OutputIt>::type
format_to(OutputIt out, const std::locale &loc, const S &format_str,
const Args &... args) {
inline
typename std::enable_if<internal::is_string<S>::value &&
internal::is_output_iterator<OutputIt>::value,
OutputIt>::type
format_to(OutputIt out, const std::locale& loc, const S& format_str,
const Args&... args) {
internal::check_format_string<Args...>(format_str);
typedef typename format_context_t<OutputIt, FMT_CHAR(S)>::type context;
format_arg_store<context, Args...> as{args...};

67
include/fmt/ostream.h
View File

@@ -8,22 +8,21 @@
#ifndef FMT_OSTREAM_H_
#define FMT_OSTREAM_H_
#include "format.h"
#include <ostream>
#include "format.h"
FMT_BEGIN_NAMESPACE
namespace internal {
template <class Char>
class formatbuf : public std::basic_streambuf<Char> {
template <class Char> class formatbuf : public std::basic_streambuf<Char> {
private:
typedef typename std::basic_streambuf<Char>::int_type int_type;
typedef typename std::basic_streambuf<Char>::traits_type traits_type;
basic_buffer<Char> &buffer_;
basic_buffer<Char>& buffer_;
public:
formatbuf(basic_buffer<Char> &buffer) : buffer_(buffer) {}
formatbuf(basic_buffer<Char>& buffer) : buffer_(buffer) {}
protected:
// The put-area is actually always empty. This makes the implementation
@@ -39,31 +38,30 @@ class formatbuf : public std::basic_streambuf<Char> {
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);
return count;
}
};
template <typename Char>
struct test_stream : std::basic_ostream<Char> {
template <typename Char> struct test_stream : std::basic_ostream<Char> {
private:
struct null;
// Hide all operator<< from std::basic_ostream<Char>.
void operator<<(null);
};
// Checks if T has a user-defined operator<< (e.g. not a member of std::ostream).
template <typename T, typename Char>
class is_streamable {
// Checks if T has a user-defined operator<< (e.g. not a member of
// std::ostream).
template <typename T, typename Char> class is_streamable {
private:
template <typename U>
static decltype(
internal::declval<test_stream<Char>&>()
<< internal::declval<U>(), std::true_type()) test(int);
static decltype(internal::declval<test_stream<Char>&>()
<< internal::declval<U>(),
std::true_type())
test(int);
template <typename>
static std::false_type test(...);
template <typename> static std::false_type test(...);
typedef decltype(test<T>(0)) result;
@@ -73,8 +71,8 @@ class is_streamable {
// Write the content of buf to os.
template <typename Char>
void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf) {
const Char *data = buf.data();
void write(std::basic_ostream<Char>& os, basic_buffer<Char>& buf) {
const Char* data = buf.data();
typedef std::make_unsigned<std::streamsize>::type UnsignedStreamSize;
UnsignedStreamSize size = buf.size();
UnsignedStreamSize max_size =
@@ -88,7 +86,7 @@ void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf) {
}
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);
std::basic_ostream<Char> output(&format_buf);
output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
@@ -99,24 +97,21 @@ void format_value(basic_buffer<Char> &buffer, const T &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>
struct convert_to_int<T, Char, void> {
static const bool value =
convert_to_int<T, Char, int>::value &&
!internal::is_streamable<T, Char>::value;
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<<.
template <typename T, typename 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>
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>
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;
internal::format_value(buffer, value);
basic_string_view<Char> str(buffer.data(), buffer.size());
@@ -125,9 +120,9 @@ struct formatter<T, Char,
};
template <typename Char>
inline void vprint(std::basic_ostream<Char> &os,
basic_string_view<Char> format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
inline void vprint(
std::basic_ostream<Char>& os, basic_string_view<Char> format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
basic_memory_buffer<Char> buffer;
internal::vformat_to(buffer, format_str, args);
internal::write(os, buffer);
@@ -142,9 +137,9 @@ inline void vprint(std::basic_ostream<Char> &os,
\endrst
*/
template <typename S, typename... Args>
inline typename std::enable_if<internal::is_string<S>::value>::type
print(std::basic_ostream<FMT_CHAR(S)> &os, const S &format_str,
const Args & ... args) {
inline typename std::enable_if<internal::is_string<S>::value>::type print(
std::basic_ostream<FMT_CHAR(S)>& os, const S& format_str,
const Args&... args) {
internal::checked_args<S, Args...> ca(format_str, args...);
vprint(os, to_string_view(format_str), *ca);
}

121
include/fmt/posix.h
View File

@@ -10,7 +10,7 @@
#if defined(__MINGW32__) || defined(__CYGWIN__)
// Workaround MinGW bug https://sourceforge.net/p/mingw/bugs/2024/.
# undef __STRICT_ANSI__
# undef __STRICT_ANSI__
#endif
#include <errno.h>
@@ -22,42 +22,42 @@
#include <cstddef>
#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
#include "format.h"
#ifndef FMT_POSIX
# if defined(_WIN32) && !defined(__MINGW32__)
# if defined(_WIN32) && !defined(__MINGW32__)
// Fix warnings about deprecated symbols.
# define FMT_POSIX(call) _##call
# else
# define FMT_POSIX(call) call
# endif
# define FMT_POSIX(call) _##call
# else
# define FMT_POSIX(call) call
# endif
#endif
// Calls to system functions are wrapped in FMT_SYSTEM for testability.
#ifdef FMT_SYSTEM
# define FMT_POSIX_CALL(call) FMT_SYSTEM(call)
# define FMT_POSIX_CALL(call) FMT_SYSTEM(call)
#else
# define FMT_SYSTEM(call) call
# ifdef _WIN32
# define FMT_SYSTEM(call) call
# ifdef _WIN32
// Fix warnings about deprecated symbols.
# define FMT_POSIX_CALL(call) ::_##call
# else
# define FMT_POSIX_CALL(call) ::call
# endif
# define FMT_POSIX_CALL(call) ::_##call
# else
# define FMT_POSIX_CALL(call) ::call
# endif
#endif
// Retries the expression while it evaluates to error_result and errno
// equals to EINTR.
#ifndef _WIN32
# define FMT_RETRY_VAL(result, expression, error_result) \
do { \
result = (expression); \
} while (result == error_result && errno == EINTR)
# define FMT_RETRY_VAL(result, expression, error_result) \
do { \
result = (expression); \
} while (result == error_result && errno == EINTR)
#else
# define FMT_RETRY_VAL(result, expression, error_result) result = (expression)
# define FMT_RETRY_VAL(result, expression, error_result) result = (expression)
#endif
#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
@@ -89,24 +89,23 @@ FMT_BEGIN_NAMESPACE
format(std::string("{}"), 42);
\endrst
*/
template <typename Char>
class basic_cstring_view {
template <typename Char> class basic_cstring_view {
private:
const Char *data_;
const Char* data_;
public:
/** Constructs a string reference object from a C string. */
basic_cstring_view(const Char *s) : data_(s) {}
basic_cstring_view(const Char* s) : data_(s) {}
/**
\rst
Constructs a string reference from an ``std::string`` object.
\endrst
*/
basic_cstring_view(const std::basic_string<Char> &s) : data_(s.c_str()) {}
basic_cstring_view(const std::basic_string<Char>& s) : data_(s.c_str()) {}
/** Returns the pointer to a C string. */
const Char *c_str() const { return data_; }
const Char* c_str() const { return data_; }
};
typedef basic_cstring_view<char> cstring_view;
@@ -126,11 +125,11 @@ class error_code {
// A buffered file.
class buffered_file {
private:
FILE *file_;
FILE* file_;
friend class file;
explicit buffered_file(FILE *f) : file_(f) {}
explicit buffered_file(FILE* f) : file_(f) {}
public:
// Constructs a buffered_file object which doesn't represent any file.
@@ -140,16 +139,15 @@ class buffered_file {
FMT_API ~buffered_file() FMT_NOEXCEPT;
private:
buffered_file(const buffered_file &) = delete;
void operator=(const buffered_file &) = delete;
buffered_file(const buffered_file&) = delete;
void operator=(const buffered_file&) = delete;
public:
buffered_file(buffered_file &&other) FMT_NOEXCEPT : file_(other.file_) {
buffered_file(buffered_file&& other) FMT_NOEXCEPT : file_(other.file_) {
other.file_ = FMT_NULL;
}
buffered_file& operator=(buffered_file &&other) {
buffered_file& operator=(buffered_file&& other) {
close();
file_ = other.file_;
other.file_ = FMT_NULL;
@@ -163,18 +161,18 @@ class buffered_file {
FMT_API void close();
// Returns the pointer to a FILE object representing this file.
FILE *get() const FMT_NOEXCEPT { return 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;
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) {
inline void print(string_view format_str, const Args&... args) {
vprint(format_str, make_format_args(args...));
}
};
@@ -195,9 +193,9 @@ class file {
public:
// Possible values for the oflag argument to the constructor.
enum {
RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
RDWR = FMT_POSIX(O_RDWR) // Open for reading and writing.
RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
RDWR = FMT_POSIX(O_RDWR) // Open for reading and writing.
};
// Constructs a file object which doesn't represent any file.
@@ -207,15 +205,13 @@ class file {
FMT_API file(cstring_view path, int oflag);
private:
file(const file &) = delete;
void operator=(const file &) = delete;
file(const file&) = delete;
void operator=(const file&) = delete;
public:
file(file &&other) FMT_NOEXCEPT : fd_(other.fd_) {
other.fd_ = -1;
}
file(file&& other) FMT_NOEXCEPT : fd_(other.fd_) { other.fd_ = -1; }
file& operator=(file &&other) {
file& operator=(file&& other) {
close();
fd_ = other.fd_;
other.fd_ = -1;
@@ -236,10 +232,10 @@ class file {
FMT_API long long size() const;
// Attempts to read count bytes from the file into the specified buffer.
FMT_API std::size_t read(void *buffer, std::size_t count);
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);
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.
@@ -251,59 +247,56 @@ class file {
// 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;
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);
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);
FMT_API buffered_file fdopen(const char* mode);
};
// Returns the memory page size.
long getpagesize();
#if (defined(LC_NUMERIC_MASK) || defined(_MSC_VER)) && \
#if (defined(LC_NUMERIC_MASK) || defined(_MSC_VER)) && \
!defined(__ANDROID__) && !defined(__CYGWIN__) && !defined(__OpenBSD__) && \
!defined(__NEWLIB_H__)
# define FMT_LOCALE
# define FMT_LOCALE
#endif
#ifdef FMT_LOCALE
// A "C" numeric locale.
class Locale {
private:
# ifdef _MSC_VER
# ifdef _MSC_VER
typedef _locale_t locale_t;
enum { 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);
}
static void freelocale(locale_t locale) {
_free_locale(locale);
}
static void freelocale(locale_t 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);
}
# endif
# endif
locale_t locale_;
Locale(const Locale &) = delete;
void operator=(const Locale &) = delete;
Locale(const Locale&) = delete;
void operator=(const Locale&) = delete;
public:
typedef locale_t Type;
Locale() : 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_); }
@@ -311,8 +304,8 @@ class Locale {
// Converts string to floating-point number and advances str past the end
// of the parsed input.
double strtod(const char *&str) const {
char *end = FMT_NULL;
double strtod(const char*& str) const {
char* end = FMT_NULL;
double result = strtod_l(str, &end, locale_);
str = end;
return result;

118
include/fmt/prepare.h
View File

@@ -9,8 +9,8 @@
#define FMT_PREPARE_H_
#ifndef FMT_HAS_CONSTRUCTIBLE_TRAITS
# define FMT_HAS_CONSTRUCTIBLE_TRAITS \
(FMT_GCC_VERSION >= 407 || FMT_CLANG_VERSION || FMT_MSC_VER)
# define FMT_HAS_CONSTRUCTIBLE_TRAITS \
(FMT_GCC_VERSION >= 407 || FMT_CLANG_VERSION || FMT_MSC_VER)
#endif
#include "format.h"
@@ -73,7 +73,8 @@ template <typename Char> struct format_part {
: which(which_value::argument_id), end_of_argument_id(0u), val(id) {}
FMT_CONSTEXPR format_part(named_argument_id arg_id)
: which(which_value::named_argument_id), end_of_argument_id(0u),
: which(which_value::named_argument_id),
end_of_argument_id(0u),
val(arg_id) {}
FMT_CONSTEXPR format_part(specification spec)
@@ -99,23 +100,24 @@ template <typename Char> struct format_part {
internal::string_view_metadata named_arg_id;
internal::string_view_metadata text;
specification spec;
} val;
}
val;
};
namespace internal {
template <typename Char, typename PartsContainer>
class format_preparation_handler : public internal::error_handler {
private:
private:
typedef format_part<Char> part;
public:
public:
typedef internal::null_terminating_iterator<Char> iterator;
FMT_CONSTEXPR format_preparation_handler(basic_string_view<Char> format,
PartsContainer &parts)
PartsContainer& parts)
: parts_(parts), format_(format), parse_context_(format) {}
FMT_CONSTEXPR void on_text(const Char *begin, const Char *end) {
FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) {
if (begin == end) {
return;
}
@@ -139,20 +141,19 @@ public:
parts_.add(part(arg_id));
}
FMT_CONSTEXPR void on_replacement_field(const Char *ptr) {
FMT_CONSTEXPR void on_replacement_field(const Char* ptr) {
auto last_part = parts_.last();
last_part.end_of_argument_id = ptr - format_.begin();
parts_.substitute_last(last_part);
}
FMT_CONSTEXPR const Char *on_format_specs(const Char *begin,
const Char *end) {
FMT_CONSTEXPR const Char* on_format_specs(const Char* begin,
const Char* end) {
const auto specs_offset = to_unsigned(begin - format_.begin());
typedef basic_parse_context<Char> parse_context;
internal::dynamic_format_specs<Char> parsed_specs;
dynamic_specs_handler<parse_context> handler(
parsed_specs, parse_context_);
dynamic_specs_handler<parse_context> handler(parsed_specs, parse_context_);
begin = parse_format_specs(begin, end, handler);
if (*begin != '}') {
@@ -176,7 +177,7 @@ public:
}
private:
PartsContainer &parts_;
PartsContainer& parts_;
basic_string_view<Char> format_;
basic_parse_context<Char> parse_context_;
};
@@ -193,7 +194,7 @@ class prepared_format {
prepared_format() = delete;
std::size_t formatted_size(const Args &... args) const {
std::size_t formatted_size(const Args&... args) const {
const auto it = this->format_to(counting_iterator<char_type>(), args...);
return it.count();
}
@@ -201,10 +202,10 @@ class prepared_format {
template <typename OutputIt>
inline typename std::enable_if<internal::is_output_iterator<OutputIt>::value,
format_to_n_result<OutputIt>>::type
format_to_n(OutputIt out, unsigned n, const Args &... args) const {
format_to_n(OutputIt out, unsigned n, const Args&... args) const {
format_arg_store<typename format_to_n_context<OutputIt, char_type>::type,
Args...>
as(args...);
as(args...);
typedef truncating_iterator<OutputIt> trunc_it;
typedef output_range<trunc_it, char_type> range;
@@ -214,7 +215,7 @@ class prepared_format {
return {it.base(), it.count()};
}
std::basic_string<char_type> format(const Args &... args) const {
std::basic_string<char_type> format(const Args&... args) const {
basic_memory_buffer<char_type> buffer;
typedef back_insert_range<internal::basic_buffer<char_type>> range;
this->vformat_to(range(buffer), *checked_args(format_, args...));
@@ -225,7 +226,7 @@ class prepared_format {
inline typename std::enable_if<is_contiguous<Container>::value,
std::back_insert_iterator<Container>>::type
format_to(std::back_insert_iterator<Container> out,
const Args &... args) const {
const Args&... args) const {
internal::container_buffer<Container> buffer(internal::get_container(out));
typedef back_insert_range<internal::basic_buffer<char_type>> range;
this->vformat_to(range(buffer), *checked_args(format_, args...));
@@ -233,7 +234,7 @@ class prepared_format {
}
template <typename OutputIt>
inline OutputIt format_to(OutputIt out, const Args &... args) const {
inline OutputIt format_to(OutputIt out, const Args&... args) const {
typedef typename format_context_t<OutputIt, char_type>::type context;
typedef output_range<OutputIt, char_type> range;
format_arg_store<context, Args...> as(args...);
@@ -241,9 +242,8 @@ class prepared_format {
}
template <std::size_t SIZE = inline_buffer_size>
inline typename buffer_context<char_type>::type::iterator
format_to(basic_memory_buffer<char_type, SIZE> &buf,
const Args &... args) const {
inline typename buffer_context<char_type>::type::iterator format_to(
basic_memory_buffer<char_type, SIZE>& buf, const Args&... args) const {
typedef back_insert_range<internal::basic_buffer<char_type>> range;
return this->vformat_to(range(buf), *checked_args(format_, args...));
}
@@ -255,16 +255,16 @@ class prepared_format {
const auto format_view = internal::to_string_view(format_);
Context ctx(out.begin(), format_view, args);
const auto &parts = parts_provider_.parts();
const auto& parts = parts_provider_.parts();
for (auto part_it = parts.begin(); part_it != parts.end(); ++part_it) {
const auto &part = *part_it;
const auto &value = part.val;
const auto& part = *part_it;
const auto& value = part.val;
switch (part.which) {
case format_part_t::which_value::text: {
const auto text = value.text.to_view(format_view);
auto out = ctx.out();
auto &&it = internal::reserve(out, text.size());
auto&& it = internal::reserve(out, text.size());
it = std::copy_n(text.begin(), text.size(), it);
ctx.advance_to(out);
} break;
@@ -280,7 +280,7 @@ class prepared_format {
format_arg<Range>(ctx, named_arg_id);
} break;
case format_part_t::which_value::specification: {
const auto &arg_id_value = value.spec.arg_id.val;
const auto& arg_id_value = value.spec.arg_id.val;
const auto arg =
value.spec.arg_id.which ==
format_part_t::argument_id::which_arg_id::index
@@ -306,15 +306,15 @@ class prepared_format {
}
template <typename Context>
void advance_parse_context_to_specification(Context &ctx,
const format_part_t &part) const {
void advance_parse_context_to_specification(Context& ctx,
const format_part_t& part) const {
const auto view = to_string_view(format_);
const auto specification_begin = view.data() + part.end_of_argument_id;
ctx.parse_context().advance_to(specification_begin);
}
template <typename Range, typename Context, typename Id>
void format_arg(Context &ctx, Id arg_id) const {
void format_arg(Context& ctx, Id arg_id) const {
ctx.parse_context().check_arg_id(arg_id);
const auto stopped_at =
visit_format_arg(arg_formatter<Range>(ctx), ctx.get_arg(arg_id));
@@ -322,8 +322,8 @@ class prepared_format {
}
template <typename Char>
void check_prepared_specs(
const basic_format_specs<Char> &specs, internal::type arg_type) const {
void check_prepared_specs(const basic_format_specs<Char>& specs,
internal::type arg_type) const {
internal::error_handler h;
numeric_specs_checker<internal::error_handler> checker(h, arg_type);
if (specs.align_ == ALIGN_NUMERIC) {
@@ -343,23 +343,23 @@ class prepared_format {
}
}
private:
private:
Format format_;
PreparedPartsProvider parts_provider_;
};
template <typename Format> class compiletime_prepared_parts_type_provider {
private:
private:
typedef FMT_CHAR(Format) char_type;
class count_handler {
private:
private:
typedef internal::null_terminating_iterator<char_type> iterator;
public:
public:
FMT_CONSTEXPR count_handler() : counter_(0u) {}
FMT_CONSTEXPR void on_text(const char_type *begin, const char_type *end) {
FMT_CONSTEXPR void on_text(const char_type* begin, const char_type* end) {
if (begin != end) {
++counter_;
}
@@ -369,20 +369,20 @@ private:
FMT_CONSTEXPR void on_arg_id(unsigned) { ++counter_; }
FMT_CONSTEXPR void on_arg_id(basic_string_view<char_type>) { ++counter_; }
FMT_CONSTEXPR void on_replacement_field(const char_type *) {}
FMT_CONSTEXPR void on_replacement_field(const char_type*) {}
FMT_CONSTEXPR const char_type *on_format_specs(const char_type *begin,
const char_type *end) {
FMT_CONSTEXPR const char_type* on_format_specs(const char_type* begin,
const char_type* end) {
return find_matching_brace(begin, end);
}
FMT_CONSTEXPR void on_error(const char *) {}
FMT_CONSTEXPR void on_error(const char*) {}
FMT_CONSTEXPR unsigned result() const { return counter_; }
private:
FMT_CONSTEXPR const char_type *find_matching_brace(const char_type *begin,
const char_type *end) {
private:
FMT_CONSTEXPR const char_type* find_matching_brace(const char_type* begin,
const char_type* end) {
FMT_CONSTEXPR_DECL const basic_string_view<char_type> text = Format{};
unsigned braces_counter{0u};
for (; begin != end; ++begin) {
@@ -399,7 +399,7 @@ private:
return begin;
}
private:
private:
unsigned counter_;
};
@@ -425,13 +425,13 @@ private:
FMT_CONSTEXPR format_parts_array() : arr{} {}
FMT_CONSTEXPR value_type &operator[](unsigned ind) { return arr[ind]; }
FMT_CONSTEXPR value_type& operator[](unsigned ind) { return arr[ind]; }
FMT_CONSTEXPR const value_type *begin() const { return arr; }
FMT_CONSTEXPR const value_type* begin() const { return arr; }
FMT_CONSTEXPR const value_type *end() const { return begin() + N; }
FMT_CONSTEXPR const value_type* end() const { return begin() + N; }
private:
private:
value_type arr[N];
};
@@ -450,7 +450,7 @@ template <typename Parts> class compiletime_prepared_parts_collector {
typedef typename Parts::value_type format_part;
public:
FMT_CONSTEXPR explicit compiletime_prepared_parts_collector(Parts &parts)
FMT_CONSTEXPR explicit compiletime_prepared_parts_collector(Parts& parts)
: parts_{parts}, counter_{0u} {}
FMT_CONSTEXPR void add(format_part part) { parts_[counter_++] = part; }
@@ -462,7 +462,7 @@ template <typename Parts> class compiletime_prepared_parts_collector {
FMT_CONSTEXPR format_part last() { return parts_[counter_ - 1]; }
private:
Parts &parts_;
Parts& parts_;
unsigned counter_;
};
@@ -493,7 +493,7 @@ template <typename PartsContainer> class runtime_parts_provider {
runtime_parts_provider(basic_string_view<Char> format)
: parts_(prepare_parts<PartsContainer>(format)) {}
const PartsContainer &parts() const { return parts_; }
const PartsContainer& parts() const { return parts_; }
private:
PartsContainer parts_;
@@ -505,7 +505,7 @@ struct compiletime_parts_provider {
template <typename Char>
FMT_CONSTEXPR compiletime_parts_provider(basic_string_view<Char>) {}
const PartsContainer &parts() const {
const PartsContainer& parts() const {
static FMT_CONSTEXPR_DECL const PartsContainer prepared_parts =
prepare_compiletime_parts<PartsContainer>(
internal::to_string_view(Format{}));
@@ -608,7 +608,7 @@ std::basic_string<Char> to_runtime_format(basic_string_view<Char> format) {
}
template <typename Char>
std::basic_string<Char> to_runtime_format(const Char *format) {
std::basic_string<Char> to_runtime_format(const Char* format) {
return std::basic_string<Char>(format);
}
@@ -685,17 +685,17 @@ auto do_prepare(runtime_format_tag, Format format) {
}
template <typename Format, typename... Args>
FMT_CONSTEXPR auto do_prepare(compiletime_format_tag, const Format &format) {
FMT_CONSTEXPR auto do_prepare(compiletime_format_tag, const Format& format) {
return typename basic_prepared_format<Format, void, Args...>::type(format);
}
#else
template <typename Format, typename... Args>
auto do_prepare(const Format &format)
auto do_prepare(const Format& format)
-> decltype(preparator<Format, Args...>::prepare(format)) {
return preparator<Format, Args...>::prepare(format);
}
#endif
} // namespace internal
} // namespace internal
template <typename Char, typename Container = std::vector<format_part<Char>>>
struct parts_container {
@@ -757,7 +757,7 @@ auto prepare(Format format) ->
#endif
template <typename... Args, typename Char>
auto prepare(const Char *format) ->
auto prepare(const Char* format) ->
typename internal::preparator<std::basic_string<Char>,
Args...>::prepared_format_type {
return prepare<Args...>(internal::to_runtime_format(format));

347
include/fmt/printf.h
View File

@@ -18,95 +18,91 @@ namespace internal {
// Checks if a value fits in int - used to avoid warnings about comparing
// signed and unsigned integers.
template <bool IsSigned>
struct int_checker {
template <typename T>
static bool fits_in_int(T value) {
template <bool IsSigned> struct int_checker {
template <typename T> static bool fits_in_int(T value) {
unsigned max = std::numeric_limits<int>::max();
return value <= max;
}
static bool fits_in_int(bool) { return true; }
};
template <>
struct int_checker<true> {
template <typename T>
static bool fits_in_int(T value) {
template <> struct int_checker<true> {
template <typename T> static bool fits_in_int(T value) {
return value >= std::numeric_limits<int>::min() &&
value <= std::numeric_limits<int>::max();
}
static bool fits_in_int(int) { return true; }
};
class printf_precision_handler: public function<int> {
class printf_precision_handler : public function<int> {
public:
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))
FMT_THROW(format_error("number is too big"));
return static_cast<int>(value);
}
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"));
return 0;
}
};
// 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:
template <typename T>
typename std::enable_if<std::is_integral<T>::value, bool>::type
operator()(T value) { return value == 0; }
typename std::enable_if<std::is_integral<T>::value, bool>::type operator()(
T value) {
return value == 0;
}
template <typename T>
typename std::enable_if<!std::is_integral<T>::value, bool>::type
operator()(T) { return false; }
typename std::enable_if<!std::is_integral<T>::value, bool>::type operator()(
T) {
return false;
}
};
template <typename T>
struct make_unsigned_or_bool : std::make_unsigned<T> {};
template <typename T> struct make_unsigned_or_bool : std::make_unsigned<T> {};
template <>
struct make_unsigned_or_bool<bool> {
typedef bool type;
};
template <> struct make_unsigned_or_bool<bool> { typedef bool type; };
template <typename T, typename Context>
class arg_converter: public function<void> {
class arg_converter : public function<void> {
private:
typedef typename Context::char_type Char;
basic_format_arg<Context> &arg_;
basic_format_arg<Context>& arg_;
typename Context::char_type type_;
public:
arg_converter(basic_format_arg<Context> &arg, Char type)
: arg_(arg), type_(type) {}
arg_converter(basic_format_arg<Context>& arg, Char type)
: arg_(arg), type_(type) {}
void operator()(bool value) {
if (type_ != 's')
operator()<bool>(value);
if (type_ != 's') operator()<bool>(value);
}
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';
typedef typename std::conditional<
std::is_same<T, void>::value, U, T>::type TargetType;
typedef typename std::conditional<std::is_same<T, void>::value, U, T>::type
TargetType;
if (const_check(sizeof(TargetType) <= sizeof(int))) {
// Extra casts are used to silence warnings.
if (is_signed) {
arg_ = internal::make_arg<Context>(
static_cast<int>(static_cast<TargetType>(value)));
static_cast<int>(static_cast<TargetType>(value)));
} else {
typedef typename make_unsigned_or_bool<TargetType>::type Unsigned;
arg_ = internal::make_arg<Context>(
static_cast<unsigned>(static_cast<Unsigned>(value)));
static_cast<unsigned>(static_cast<Unsigned>(value)));
}
} else {
if (is_signed) {
@@ -116,7 +112,7 @@ class arg_converter: public function<void> {
arg_ = internal::make_arg<Context>(static_cast<long long>(value));
} else {
arg_ = internal::make_arg<Context>(
static_cast<typename make_unsigned_or_bool<U>::type>(value));
static_cast<typename make_unsigned_or_bool<U>::type>(value));
}
}
}
@@ -132,22 +128,21 @@ class arg_converter: public function<void> {
// type depending on the type specifier: 'd' and 'i' - signed, other -
// unsigned).
template <typename T, typename Context, typename Char>
void convert_arg(basic_format_arg<Context> &arg, Char type) {
void convert_arg(basic_format_arg<Context>& arg, Char type) {
visit_format_arg(arg_converter<T, Context>(arg, type), arg);
}
// Converts an integer argument to char for printf.
template <typename Context>
class char_converter: public function<void> {
template <typename Context> class char_converter : public function<void> {
private:
basic_format_arg<Context> &arg_;
basic_format_arg<Context>& arg_;
public:
explicit char_converter(basic_format_arg<Context> &arg) : arg_(arg) {}
explicit char_converter(basic_format_arg<Context>& arg) : arg_(arg) {}
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;
arg_ = internal::make_arg<Context>(static_cast<Char>(value));
}
@@ -161,18 +156,18 @@ class char_converter: public function<void> {
// Checks if an argument is a valid printf width specifier and sets
// left alignment if it is negative.
template <typename Char>
class printf_width_handler: public function<unsigned> {
class printf_width_handler : public function<unsigned> {
private:
typedef basic_format_specs<Char> format_specs;
format_specs &spec_;
format_specs& spec_;
public:
explicit printf_width_handler(format_specs &spec) : spec_(spec) {}
explicit printf_width_handler(format_specs& spec) : spec_(spec) {}
template <typename T>
typename std::enable_if<std::is_integral<T>::value, unsigned>::type
operator()(T value) {
operator()(T value) {
typedef typename internal::int_traits<T>::main_type UnsignedType;
UnsignedType width = static_cast<UnsignedType>(value);
if (internal::is_negative(value)) {
@@ -180,21 +175,20 @@ class printf_width_handler: public function<unsigned> {
width = 0 - width;
}
unsigned int_max = std::numeric_limits<int>::max();
if (width > int_max)
FMT_THROW(format_error("number is too big"));
if (width > int_max) FMT_THROW(format_error("number is too big"));
return static_cast<unsigned>(width);
}
template <typename T>
typename std::enable_if<!std::is_integral<T>::value, unsigned>::type
operator()(T) {
operator()(T) {
FMT_THROW(format_error("width is not integer"));
return 0;
}
};
template <typename Char, typename Context>
void printf(basic_buffer<Char> &buf, basic_string_view<Char> format,
void printf(basic_buffer<Char>& buf, basic_string_view<Char> format,
basic_format_args<Context> args) {
Context(std::back_inserter(buf), format, args).format();
}
@@ -202,13 +196,11 @@ void printf(basic_buffer<Char> &buf, basic_string_view<Char> format,
using internal::printf; // For printing into memory_buffer.
template <typename Range>
class printf_arg_formatter;
template <typename Range> 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;
/**
@@ -217,17 +209,17 @@ class basic_printf_context;
\endrst
*/
template <typename Range>
class printf_arg_formatter:
public internal::function<
typename internal::arg_formatter_base<Range>::iterator>,
public internal::arg_formatter_base<Range> {
class printf_arg_formatter
: public internal::function<
typename internal::arg_formatter_base<Range>::iterator>,
public internal::arg_formatter_base<Range> {
private:
typedef typename Range::value_type char_type;
typedef decltype(internal::declval<Range>().begin()) iterator;
typedef internal::arg_formatter_base<Range> base;
typedef basic_printf_context<iterator, char_type> context_type;
context_type &context_;
context_type& context_;
void write_null_pointer(char) {
this->spec()->type = 0;
@@ -249,25 +241,24 @@ class printf_arg_formatter:
specifier information for standard argument types.
\endrst
*/
printf_arg_formatter(internal::basic_buffer<char_type> &buffer,
format_specs &spec, context_type &ctx)
: base(back_insert_range<internal::basic_buffer<char_type>>(buffer), &spec,
ctx.locale()),
context_(ctx) {}
printf_arg_formatter(internal::basic_buffer<char_type>& buffer,
format_specs& spec, context_type& ctx)
: base(back_insert_range<internal::basic_buffer<char_type>>(buffer),
&spec, ctx.locale()),
context_(ctx) {}
template <typename T>
typename std::enable_if<std::is_integral<T>::value, iterator>::type
operator()(T value) {
operator()(T value) {
// MSVC2013 fails to compile separate overloads for bool and char_type so
// use std::is_same instead.
if (std::is_same<T, bool>::value) {
format_specs &fmt_spec = *this->spec();
if (fmt_spec.type != 's')
return base::operator()(value ? 1 : 0);
format_specs& fmt_spec = *this->spec();
if (fmt_spec.type != 's') return base::operator()(value ? 1 : 0);
fmt_spec.type = 0;
this->write(value != 0);
} 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')
return (*this)(static_cast<int>(value));
fmt_spec.flags = 0;
@@ -281,12 +272,12 @@ class printf_arg_formatter:
template <typename T>
typename std::enable_if<std::is_floating_point<T>::value, iterator>::type
operator()(T value) {
operator()(T value) {
return base::operator()(value);
}
/** Formats a null-terminated C string. */
iterator operator()(const char *value) {
iterator operator()(const char* value) {
if (value)
base::operator()(value);
else if (this->spec()->type == 'p')
@@ -297,7 +288,7 @@ class printf_arg_formatter:
}
/** Formats a null-terminated wide C string. */
iterator operator()(const wchar_t *value) {
iterator operator()(const wchar_t* value) {
if (value)
base::operator()(value);
else if (this->spec()->type == 'p')
@@ -311,14 +302,11 @@ class printf_arg_formatter:
return base::operator()(value);
}
iterator operator()(monostate value) {
return base::operator()(value);
}
iterator operator()(monostate value) { return base::operator()(value); }
/** Formats a pointer. */
iterator operator()(const void *value) {
if (value)
return base::operator()(value);
iterator operator()(const void* value) {
if (value) return base::operator()(value);
this->spec()->type = 0;
write_null_pointer(char_type());
return this->out();
@@ -331,13 +319,14 @@ class printf_arg_formatter:
}
};
template <typename T>
struct printf_formatter {
template <typename T> struct printf_formatter {
template <typename ParseContext>
auto parse(ParseContext &ctx) -> decltype(ctx.begin()) { return ctx.begin(); }
auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
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);
return ctx.out();
}
@@ -346,30 +335,31 @@ struct printf_formatter {
/** This template formats data and writes the output to a writer. */
template <typename OutputIt, typename Char, typename ArgFormatter>
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> {
// 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:
/** The character type for the output. */
typedef Char char_type;
template <typename T>
struct formatter_type { typedef printf_formatter<T> type; };
template <typename T> struct formatter_type {
typedef printf_formatter<T> type;
};
private:
typedef internal::context_base<OutputIt, basic_printf_context, Char> base;
typedef typename base::format_arg format_arg;
typedef basic_format_specs<char_type> format_specs;
static void parse_flags(format_specs &spec, const Char *&it, const Char *end);
static void parse_flags(format_specs& spec, const Char*& it, const Char* end);
// Returns the argument with specified index or, if arg_index is equal
// to the maximum unsigned value, the next argument.
format_arg get_arg(unsigned arg_index = std::numeric_limits<unsigned>::max());
// Parses argument index, flags and width and returns the argument index.
unsigned parse_header(const Char *&it, const Char *end, format_specs &spec);
unsigned parse_header(const Char*& it, const Char* end, format_specs& spec);
public:
/**
@@ -381,45 +371,46 @@ class basic_printf_context :
*/
basic_printf_context(OutputIt out, basic_string_view<char_type> format_str,
basic_format_args<basic_printf_context> args)
: base(out, format_str, args) {}
: base(out, format_str, args) {}
using base::parse_context;
using base::out;
using base::advance_to;
using base::out;
using base::parse_context;
/** Formats stored arguments and writes the output to the range. */
void format();
};
template <typename OutputIt, typename Char, typename AF>
void basic_printf_context<OutputIt, Char, AF>::parse_flags(
format_specs &spec, const Char *&it, const Char *end) {
void basic_printf_context<OutputIt, Char, AF>::parse_flags(format_specs& spec,
const Char*& it,
const Char* end) {
for (; it != end; ++it) {
switch (*it) {
case '-':
spec.align_ = ALIGN_LEFT;
break;
case '+':
spec.flags |= SIGN_FLAG | PLUS_FLAG;
break;
case '0':
spec.fill_ = '0';
break;
case ' ':
spec.flags |= SIGN_FLAG;
break;
case '#':
spec.flags |= HASH_FLAG;
break;
default:
return;
case '-':
spec.align_ = ALIGN_LEFT;
break;
case '+':
spec.flags |= SIGN_FLAG | PLUS_FLAG;
break;
case '0':
spec.fill_ = '0';
break;
case ' ':
spec.flags |= SIGN_FLAG;
break;
case '#':
spec.flags |= HASH_FLAG;
break;
default:
return;
}
}
}
template <typename OutputIt, typename Char, typename AF>
typename basic_printf_context<OutputIt, Char, AF>::format_arg
basic_printf_context<OutputIt, Char, AF>::get_arg(unsigned arg_index) {
basic_printf_context<OutputIt, Char, AF>::get_arg(unsigned arg_index) {
if (arg_index == std::numeric_limits<unsigned>::max())
return this->do_get_arg(this->parse_context().next_arg_id());
return base::get_arg(arg_index - 1);
@@ -427,7 +418,7 @@ typename basic_printf_context<OutputIt, Char, AF>::format_arg
template <typename OutputIt, typename Char, typename AF>
unsigned basic_printf_context<OutputIt, Char, AF>::parse_header(
const Char *&it, const Char *end, format_specs &spec) {
const Char*& it, const Char* end, format_specs& spec) {
unsigned arg_index = std::numeric_limits<unsigned>::max();
char_type c = *it;
if (c >= '0' && c <= '9') {
@@ -439,8 +430,7 @@ unsigned basic_printf_context<OutputIt, Char, AF>::parse_header(
++it;
arg_index = value;
} else {
if (c == '0')
spec.fill_ = '0';
if (c == '0') spec.fill_ = '0';
if (value != 0) {
// Nonzero value means that we parsed width and don't need to
// parse it or flags again, so return now.
@@ -458,7 +448,7 @@ unsigned basic_printf_context<OutputIt, Char, AF>::parse_header(
} else if (*it == '*') {
++it;
spec.width_ = visit_format_arg(
internal::printf_width_handler<char_type>(spec), get_arg());
internal::printf_width_handler<char_type>(spec), get_arg());
}
}
return arg_index;
@@ -466,10 +456,10 @@ unsigned basic_printf_context<OutputIt, Char, AF>::parse_header(
template <typename OutputIt, typename Char, typename AF>
void basic_printf_context<OutputIt, Char, AF>::format() {
auto &buffer = internal::get_container(this->out());
auto& buffer = internal::get_container(this->out());
const auto range = this->parse_context();
const Char * end = range.end();
const Char * start = range.begin();
const Char* end = range.end();
const Char* start = range.begin();
auto it = start;
while (it != end) {
char_type c = *it++;
@@ -505,7 +495,8 @@ void basic_printf_context<OutputIt, Char, AF>::format() {
format_arg arg = get_arg(arg_index);
if (spec.has(HASH_FLAG) && visit_format_arg(internal::is_zero_int(), arg))
spec.flags = static_cast<uint_least8_t>(spec.flags & (~internal::to_unsigned<int>(HASH_FLAG)));
spec.flags = static_cast<uint_least8_t>(
spec.flags & (~internal::to_unsigned<int>(HASH_FLAG)));
if (spec.fill_ == '0') {
if (arg.is_arithmetic())
spec.align_ = ALIGN_NUMERIC;
@@ -555,19 +546,19 @@ void basic_printf_context<OutputIt, Char, AF>::format() {
}
// Parse type.
if (it == end)
FMT_THROW(format_error("invalid format string"));
if (it == end) FMT_THROW(format_error("invalid format string"));
spec.type = static_cast<char>(*it++);
if (arg.is_integral()) {
// Normalize type.
switch (spec.type) {
case 'i': case 'u':
case 'i':
case 'u':
spec.type = 'd';
break;
case 'c':
// TODO: handle wchar_t better?
visit_format_arg(
internal::char_converter<basic_printf_context>(arg), arg);
visit_format_arg(internal::char_converter<basic_printf_context>(arg),
arg);
break;
}
}
@@ -580,10 +571,10 @@ void basic_printf_context<OutputIt, Char, AF>::format() {
buffer.append(start, it);
}
template <typename Buffer>
struct basic_printf_context_t {
typedef basic_printf_context<
std::back_insert_iterator<Buffer>, typename Buffer::value_type> type;
template <typename Buffer> struct basic_printf_context_t {
typedef basic_printf_context<std::back_insert_iterator<Buffer>,
typename Buffer::value_type>
type;
};
typedef basic_printf_context_t<internal::buffer>::type printf_context;
@@ -595,28 +586,33 @@ typedef basic_format_args<wprintf_context> wprintf_args;
/**
\rst
Constructs an `~fmt::format_arg_store` object that contains references to
arguments and can be implicitly converted to `~fmt::printf_args`.
arguments and can be implicitly converted to `~fmt::printf_args`.
\endrst
*/
template<typename... Args>
inline format_arg_store<printf_context, Args...>
make_printf_args(const Args &... args) { return {args...}; }
template <typename... Args>
inline format_arg_store<printf_context, Args...> make_printf_args(
const Args&... args) {
return {args...};
}
/**
\rst
Constructs an `~fmt::format_arg_store` object that contains references to
arguments and can be implicitly converted to `~fmt::wprintf_args`.
arguments and can be implicitly converted to `~fmt::wprintf_args`.
\endrst
*/
template<typename... Args>
inline format_arg_store<wprintf_context, Args...>
make_wprintf_args(const Args &... args) { return {args...}; }
template <typename... Args>
inline format_arg_store<wprintf_context, Args...> make_wprintf_args(
const Args&... args) {
return {args...};
}
template <typename S, typename Char = FMT_CHAR(S)>
inline std::basic_string<Char>
vsprintf(const S &format,
basic_format_args<typename basic_printf_context_t<
internal::basic_buffer<Char>>::type> args) {
inline std::basic_string<Char> vsprintf(
const S& format,
basic_format_args<
typename basic_printf_context_t<internal::basic_buffer<Char>>::type>
args) {
basic_memory_buffer<Char> buffer;
printf(buffer, to_string_view(format), args);
return to_string(buffer);
@@ -632,26 +628,28 @@ vsprintf(const S &format,
\endrst
*/
template <typename S, typename... Args>
inline FMT_ENABLE_IF_T(
internal::is_string<S>::value, std::basic_string<FMT_CHAR(S)>)
sprintf(const S &format, const Args & ... args) {
inline FMT_ENABLE_IF_T(internal::is_string<S>::value,
std::basic_string<FMT_CHAR(S)>)
sprintf(const S& format, const Args&... args) {
internal::check_format_string<Args...>(format);
typedef internal::basic_buffer<FMT_CHAR(S)> buffer;
typedef typename basic_printf_context_t<buffer>::type context;
format_arg_store<context, Args...> as{ args... };
return vsprintf(to_string_view(format),
basic_format_args<context>(as));
format_arg_store<context, Args...> as{args...};
return vsprintf(to_string_view(format), basic_format_args<context>(as));
}
template <typename S, typename Char = FMT_CHAR(S)>
inline int vfprintf(std::FILE *f, const S &format,
basic_format_args<typename basic_printf_context_t<
internal::basic_buffer<Char>>::type> args) {
inline int vfprintf(
std::FILE* f, const S& format,
basic_format_args<
typename basic_printf_context_t<internal::basic_buffer<Char>>::type>
args) {
basic_memory_buffer<Char> buffer;
printf(buffer, to_string_view(format), args);
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);
}
/**
@@ -665,19 +663,20 @@ inline int vfprintf(std::FILE *f, const S &format,
*/
template <typename S, typename... Args>
inline FMT_ENABLE_IF_T(internal::is_string<S>::value, int)
fprintf(std::FILE *f, const S &format, const Args & ... args) {
fprintf(std::FILE* f, const S& format, const Args&... args) {
internal::check_format_string<Args...>(format);
typedef internal::basic_buffer<FMT_CHAR(S)> buffer;
typedef typename basic_printf_context_t<buffer>::type context;
format_arg_store<context, Args...> as{ args... };
return vfprintf(f, to_string_view(format),
basic_format_args<context>(as));
format_arg_store<context, Args...> as{args...};
return vfprintf(f, to_string_view(format), basic_format_args<context>(as));
}
template <typename S, typename Char = FMT_CHAR(S)>
inline int vprintf(const S &format,
basic_format_args<typename basic_printf_context_t<
internal::basic_buffer<Char>>::type> args) {
inline int vprintf(
const S& format,
basic_format_args<
typename basic_printf_context_t<internal::basic_buffer<Char>>::type>
args) {
return vfprintf(stdout, to_string_view(format), args);
}
@@ -692,20 +691,20 @@ inline int vprintf(const S &format,
*/
template <typename S, typename... Args>
inline FMT_ENABLE_IF_T(internal::is_string<S>::value, int)
printf(const S &format_str, const Args & ... args) {
printf(const S& format_str, const Args&... args) {
internal::check_format_string<Args...>(format_str);
typedef internal::basic_buffer<FMT_CHAR(S)> buffer;
typedef typename basic_printf_context_t<buffer>::type context;
format_arg_store<context, Args...> as{ args... };
return vprintf(to_string_view(format_str),
basic_format_args<context>(as));
format_arg_store<context, Args...> as{args...};
return vprintf(to_string_view(format_str), basic_format_args<context>(as));
}
template <typename S, typename Char = FMT_CHAR(S)>
inline int vfprintf(std::basic_ostream<Char> &os,
const S &format,
basic_format_args<typename basic_printf_context_t<
internal::basic_buffer<Char>>::type> args) {
inline int vfprintf(
std::basic_ostream<Char>& os, const S& format,
basic_format_args<
typename basic_printf_context_t<internal::basic_buffer<Char>>::type>
args) {
basic_memory_buffer<Char> buffer;
printf(buffer, to_string_view(format), args);
internal::write(os, buffer);
@@ -723,12 +722,12 @@ inline int vfprintf(std::basic_ostream<Char> &os,
*/
template <typename S, typename... Args>
inline FMT_ENABLE_IF_T(internal::is_string<S>::value, int)
fprintf(std::basic_ostream<FMT_CHAR(S)> &os,
const S &format_str, const Args & ... args) {
fprintf(std::basic_ostream<FMT_CHAR(S)>& os, const S& format_str,
const Args&... args) {
internal::check_format_string<Args...>(format_str);
typedef internal::basic_buffer<FMT_CHAR(S)> buffer;
typedef typename basic_printf_context_t<buffer>::type context;
format_arg_store<context, Args...> as{ args... };
format_arg_store<context, Args...> as{args...};
return vfprintf(os, to_string_view(format_str),
basic_format_args<context>(as));
}

154
include/fmt/ranges.h
View File

@@ -12,20 +12,19 @@
#ifndef FMT_RANGES_H_
#define FMT_RANGES_H_
#include "format.h"
#include <type_traits>
#include "format.h"
// output only up to N items from the range.
#ifndef FMT_RANGE_OUTPUT_LENGTH_LIMIT
# define FMT_RANGE_OUTPUT_LENGTH_LIMIT 256
# define FMT_RANGE_OUTPUT_LENGTH_LIMIT 256
#endif
FMT_BEGIN_NAMESPACE
template <typename Char>
struct formatting_base {
template <typename Char> struct formatting_base {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
};
@@ -33,7 +32,8 @@ struct formatting_base {
template <typename Char, typename Enable = void>
struct formatting_range : formatting_base<Char> {
static FMT_CONSTEXPR_DECL const std::size_t range_length_limit =
FMT_RANGE_OUTPUT_LENGTH_LIMIT; // output only up to N items from the range.
FMT_RANGE_OUTPUT_LENGTH_LIMIT; // output only up to N items from the
// range.
Char prefix;
Char delimiter;
Char postfix;
@@ -55,87 +55,78 @@ struct formatting_tuple : formatting_base<Char> {
namespace internal {
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)
*out++ = *it;
}
template <typename OutputIterator>
void copy(const char *str, OutputIterator out) {
const char *p_curr = str;
void copy(const char* str, OutputIterator out) {
const char* p_curr = str;
while (*p_curr) {
*out++ = *p_curr++;
}
}
template <typename OutputIterator>
void copy(char ch, OutputIterator out) {
template <typename OutputIterator> void copy(char ch, OutputIterator out) {
*out++ = ch;
}
/// Return true value if T has std::string interface, like std::string_view.
template <typename T>
class is_like_std_string {
template <typename T> class is_like_std_string {
template <typename U>
static auto check(U *p) ->
decltype(p->find('a'), p->length(), p->data(), int());
template <typename>
static void check(...);
static auto check(U* p)
-> decltype(p->find('a'), p->length(), p->data(), int());
template <typename> static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
!std::is_void<decltype(check<T>(FMT_NULL))>::value;
!std::is_void<decltype(check<T>(FMT_NULL))>::value;
};
template <typename Char>
struct is_like_std_string<fmt::basic_string_view<Char>> : std::true_type {};
template <typename... Ts>
struct conditional_helper {};
template <typename... Ts> struct conditional_helper {};
template <typename T, typename _ = void>
struct is_range_ : std::false_type {};
template <typename T, typename _ = void> struct is_range_ : std::false_type {};
#if !FMT_MSC_VER || FMT_MSC_VER > 1800
template <typename T>
struct is_range_<T, typename std::conditional<
false,
conditional_helper<decltype(internal::declval<T>().begin()),
decltype(internal::declval<T>().end())>,
void>::type> : std::true_type {};
struct is_range_<
T, typename std::conditional<
false,
conditional_helper<decltype(internal::declval<T>().begin()),
decltype(internal::declval<T>().end())>,
void>::type> : std::true_type {};
#endif
/// tuple_size and tuple_element check.
template <typename T>
class is_tuple_like_ {
template <typename T> class is_tuple_like_ {
template <typename U>
static auto check(U *p) ->
decltype(std::tuple_size<U>::value,
internal::declval<typename std::tuple_element<0, U>::type>(), int());
template <typename>
static void check(...);
static auto check(U* p)
-> decltype(std::tuple_size<U>::value,
internal::declval<typename std::tuple_element<0, U>::type>(),
int());
template <typename> static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
!std::is_void<decltype(check<T>(FMT_NULL))>::value;
!std::is_void<decltype(check<T>(FMT_NULL))>::value;
};
// Check for integer_sequence
#if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900
template <typename T, T... N>
using integer_sequence = std::integer_sequence<T, N...>;
template <std::size_t... N>
using index_sequence = std::index_sequence<N...>;
template <std::size_t... N> using index_sequence = std::index_sequence<N...>;
template <std::size_t N>
using make_index_sequence = std::make_index_sequence<N>;
#else
template <typename T, T... N>
struct integer_sequence {
template <typename T, T... N> struct integer_sequence {
typedef T value_type;
static FMT_CONSTEXPR std::size_t size() {
return sizeof...(N);
}
static FMT_CONSTEXPR std::size_t size() { return sizeof...(N); }
};
template <std::size_t... N>
@@ -151,7 +142,7 @@ using make_index_sequence = make_integer_sequence<std::size_t, N>;
#endif
template <class Tuple, class F, size_t... Is>
void for_each(index_sequence<Is...>, Tuple &&tup, F &&f) FMT_NOEXCEPT {
void for_each(index_sequence<Is...>, Tuple&& tup, F&& f) FMT_NOEXCEPT {
using std::get;
// using free function get<I>(T) now.
const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
@@ -159,26 +150,31 @@ void for_each(index_sequence<Is...>, Tuple &&tup, F &&f) FMT_NOEXCEPT {
}
template <class T>
FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value>
get_indexes(T const &) { return {}; }
FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(
T const&) {
return {};
}
template <class Tuple, class F>
void for_each(Tuple &&tup, F &&f) {
template <class Tuple, class F> void for_each(Tuple&& tup, F&& f) {
const auto indexes = get_indexes(tup);
for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
}
template<typename Arg>
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&,
typename std::enable_if<
!is_like_std_string<typename std::decay<Arg>::type>::value>::type* = nullptr) {
template <typename Arg>
FMT_CONSTEXPR const char* format_str_quoted(
bool add_space, const Arg&,
typename std::enable_if<
!is_like_std_string<typename std::decay<Arg>::type>::value>::type* =
nullptr) {
return add_space ? " {}" : "{}";
}
template<typename Arg>
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&,
typename std::enable_if<
is_like_std_string<typename std::decay<Arg>::type>::value>::type* = nullptr) {
template <typename Arg>
FMT_CONSTEXPR const char* format_str_quoted(
bool add_space, const Arg&,
typename std::enable_if<
is_like_std_string<typename std::decay<Arg>::type>::value>::type* =
nullptr) {
return add_space ? " \"{}\"" : "\"{}\"";
}
@@ -186,33 +182,31 @@ FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char*) {
return add_space ? " \"{}\"" : "\"{}\"";
}
FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t*) {
return add_space ? L" \"{}\"" : L"\"{}\"";
return add_space ? L" \"{}\"" : L"\"{}\"";
}
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) {
return add_space ? L" '{}'" : L"'{}'";
return add_space ? L" '{}'" : L"'{}'";
}
} // namespace internal
template <typename T>
struct is_tuple_like {
template <typename T> struct is_tuple_like {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value;
internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value;
};
template <typename TupleT, typename Char>
struct formatter<TupleT, Char,
struct formatter<
TupleT, Char,
typename std::enable_if<fmt::is_tuple_like<TupleT>::value>::type> {
private:
private:
// C++11 generic lambda for format()
template <typename FormatContext>
struct format_each {
template <typename T>
void operator()(const T& v) {
template <typename FormatContext> struct format_each {
template <typename T> void operator()(const T& v) {
if (i > 0) {
if (formatting.add_prepostfix_space) {
*out++ = ' ';
@@ -228,19 +222,20 @@ private:
formatting_tuple<Char>& formatting;
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;
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);
}
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();
std::size_t i = 0;
internal::copy(formatting.prefix, out);
@@ -255,26 +250,24 @@ public:
}
};
template <typename T>
struct is_range {
template <typename T> struct is_range {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_range_<T>::value && !internal::is_like_std_string<T>::value;
internal::is_range_<T>::value && !internal::is_like_std_string<T>::value;
};
template <typename RangeT, typename Char>
struct formatter<RangeT, Char,
typename std::enable_if<fmt::is_range<RangeT>::value>::type> {
typename std::enable_if<fmt::is_range<RangeT>::value>::type> {
formatting_range<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext>
typename FormatContext::iterator format(
const RangeT &values, FormatContext &ctx) {
typename FormatContext::iterator format(const RangeT& values,
FormatContext& ctx) {
auto out = ctx.out();
internal::copy(formatting.prefix, out);
std::size_t i = 0;
@@ -304,5 +297,4 @@ struct formatter<RangeT, Char,
FMT_END_NAMESPACE
#endif // FMT_RANGES_H_
#endif // FMT_RANGES_H_

47
include/fmt/time.h
View File

@@ -8,9 +8,9 @@
#ifndef FMT_TIME_H_
#define FMT_TIME_H_
#include "format.h"
#include <ctime>
#include <locale>
#include "format.h"
FMT_BEGIN_NAMESPACE
@@ -18,7 +18,7 @@ FMT_BEGIN_NAMESPACE
// Usage: f FMT_NOMACRO()
#define FMT_NOMACRO
namespace internal{
namespace internal {
inline null<> localtime_r FMT_NOMACRO(...) { return null<>(); }
inline null<> localtime_s(...) { return null<>(); }
inline null<> gmtime_r(...) { return null<>(); }
@@ -31,14 +31,14 @@ inline std::tm localtime(std::time_t time) {
std::time_t time_;
std::tm tm_;
dispatcher(std::time_t t): time_(t) {}
dispatcher(std::time_t t) : time_(t) {}
bool run() {
using namespace fmt::internal;
return handle(localtime_r(&time_, &tm_));
}
bool handle(std::tm *tm) { return tm != FMT_NULL; }
bool handle(std::tm* tm) { return tm != FMT_NULL; }
bool handle(internal::null<>) {
using namespace fmt::internal;
@@ -50,7 +50,7 @@ inline std::tm localtime(std::time_t time) {
#if !FMT_MSC_VER
bool fallback(internal::null<>) {
using namespace fmt::internal;
std::tm *tm = std::localtime(&time_);
std::tm* tm = std::localtime(&time_);
if (tm) tm_ = *tm;
return tm != FMT_NULL;
}
@@ -58,8 +58,7 @@ inline std::tm localtime(std::time_t time) {
};
dispatcher lt(time);
// Too big time values may be unsupported.
if (!lt.run())
FMT_THROW(format_error("time_t value out of range"));
if (!lt.run()) FMT_THROW(format_error("time_t value out of range"));
return lt.tm_;
}
@@ -69,14 +68,14 @@ inline std::tm gmtime(std::time_t time) {
std::time_t time_;
std::tm tm_;
dispatcher(std::time_t t): time_(t) {}
dispatcher(std::time_t t) : time_(t) {}
bool run() {
using namespace fmt::internal;
return handle(gmtime_r(&time_, &tm_));
}
bool handle(std::tm *tm) { return tm != FMT_NULL; }
bool handle(std::tm* tm) { return tm != FMT_NULL; }
bool handle(internal::null<>) {
using namespace fmt::internal;
@@ -87,7 +86,7 @@ inline std::tm gmtime(std::time_t time) {
#if !FMT_MSC_VER
bool fallback(internal::null<>) {
std::tm *tm = std::gmtime(&time_);
std::tm* tm = std::gmtime(&time_);
if (tm) tm_ = *tm;
return tm != FMT_NULL;
}
@@ -95,33 +94,29 @@ inline std::tm gmtime(std::time_t time) {
};
dispatcher gt(time);
// Too big time values may be unsupported.
if (!gt.run())
FMT_THROW(format_error("time_t value out of range"));
if (!gt.run()) FMT_THROW(format_error("time_t value out of range"));
return gt.tm_;
}
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);
}
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);
}
}
} // namespace internal
template <typename Char>
struct formatter<std::tm, Char> {
template <typename Char> struct formatter<std::tm, Char> {
template <typename ParseContext>
auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
auto it = ctx.begin();
if (it != ctx.end() && *it == ':')
++it;
if (it != ctx.end() && *it == ':') ++it;
auto end = it;
while (end != ctx.end() && *end != '}')
++end;
while (end != ctx.end() && *end != '}') ++end;
tm_format.reserve(internal::to_unsigned(end - it + 1));
tm_format.append(it, end);
tm_format.push_back('\0');
@@ -129,13 +124,13 @@ struct formatter<std::tm, Char> {
}
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()) {
basic_memory_buffer<Char> buf;
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);
internal::strftime(&buf[start], size, &tm_format[0], &tm);
if (count != 0) {
buf.resize(start + count);
break;