projects / lttng-tools.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Add vendor/fmt
[lttng-tools.git] / src / vendor / fmt / color.h
CommitLineData
05aa7e19
JG		 1// Formatting library for C++ - color support
2//
3// Copyright (c) 2018 - present, Victor Zverovich and fmt contributors
4// All rights reserved.
5//
6// For the license information refer to format.h.
7
8#ifndef FMT_COLOR_H_
9#define FMT_COLOR_H_
10
11#include "format.h"
12
13// __declspec(deprecated) is broken in some MSVC versions.
14#if FMT_MSC_VER
15# define FMT_DEPRECATED_NONMSVC
16#else
17# define FMT_DEPRECATED_NONMSVC FMT_DEPRECATED
18#endif
19
20FMT_BEGIN_NAMESPACE
21FMT_MODULE_EXPORT_BEGIN
22
23enum class color : uint32_t {
24 alice_blue = 0xF0F8FF, // rgb(240,248,255)
25 antique_white = 0xFAEBD7, // rgb(250,235,215)
26 aqua = 0x00FFFF, // rgb(0,255,255)
27 aquamarine = 0x7FFFD4, // rgb(127,255,212)
28 azure = 0xF0FFFF, // rgb(240,255,255)
29 beige = 0xF5F5DC, // rgb(245,245,220)
30 bisque = 0xFFE4C4, // rgb(255,228,196)
31 black = 0x000000, // rgb(0,0,0)
32 blanched_almond = 0xFFEBCD, // rgb(255,235,205)
33 blue = 0x0000FF, // rgb(0,0,255)
34 blue_violet = 0x8A2BE2, // rgb(138,43,226)
35 brown = 0xA52A2A, // rgb(165,42,42)
36 burly_wood = 0xDEB887, // rgb(222,184,135)
37 cadet_blue = 0x5F9EA0, // rgb(95,158,160)
38 chartreuse = 0x7FFF00, // rgb(127,255,0)
39 chocolate = 0xD2691E, // rgb(210,105,30)
40 coral = 0xFF7F50, // rgb(255,127,80)
41 cornflower_blue = 0x6495ED, // rgb(100,149,237)
42 cornsilk = 0xFFF8DC, // rgb(255,248,220)
43 crimson = 0xDC143C, // rgb(220,20,60)
44 cyan = 0x00FFFF, // rgb(0,255,255)
45 dark_blue = 0x00008B, // rgb(0,0,139)
46 dark_cyan = 0x008B8B, // rgb(0,139,139)
47 dark_golden_rod = 0xB8860B, // rgb(184,134,11)
48 dark_gray = 0xA9A9A9, // rgb(169,169,169)
49 dark_green = 0x006400, // rgb(0,100,0)
50 dark_khaki = 0xBDB76B, // rgb(189,183,107)
51 dark_magenta = 0x8B008B, // rgb(139,0,139)
52 dark_olive_green = 0x556B2F, // rgb(85,107,47)
53 dark_orange = 0xFF8C00, // rgb(255,140,0)
54 dark_orchid = 0x9932CC, // rgb(153,50,204)
55 dark_red = 0x8B0000, // rgb(139,0,0)
56 dark_salmon = 0xE9967A, // rgb(233,150,122)
57 dark_sea_green = 0x8FBC8F, // rgb(143,188,143)
58 dark_slate_blue = 0x483D8B, // rgb(72,61,139)
59 dark_slate_gray = 0x2F4F4F, // rgb(47,79,79)
60 dark_turquoise = 0x00CED1, // rgb(0,206,209)
61 dark_violet = 0x9400D3, // rgb(148,0,211)
62 deep_pink = 0xFF1493, // rgb(255,20,147)
63 deep_sky_blue = 0x00BFFF, // rgb(0,191,255)
64 dim_gray = 0x696969, // rgb(105,105,105)
65 dodger_blue = 0x1E90FF, // rgb(30,144,255)
66 fire_brick = 0xB22222, // rgb(178,34,34)
67 floral_white = 0xFFFAF0, // rgb(255,250,240)
68 forest_green = 0x228B22, // rgb(34,139,34)
69 fuchsia = 0xFF00FF, // rgb(255,0,255)
70 gainsboro = 0xDCDCDC, // rgb(220,220,220)
71 ghost_white = 0xF8F8FF, // rgb(248,248,255)
72 gold = 0xFFD700, // rgb(255,215,0)
73 golden_rod = 0xDAA520, // rgb(218,165,32)
74 gray = 0x808080, // rgb(128,128,128)
75 green = 0x008000, // rgb(0,128,0)
76 green_yellow = 0xADFF2F, // rgb(173,255,47)
77 honey_dew = 0xF0FFF0, // rgb(240,255,240)
78 hot_pink = 0xFF69B4, // rgb(255,105,180)
79 indian_red = 0xCD5C5C, // rgb(205,92,92)
80 indigo = 0x4B0082, // rgb(75,0,130)
81 ivory = 0xFFFFF0, // rgb(255,255,240)
82 khaki = 0xF0E68C, // rgb(240,230,140)
83 lavender = 0xE6E6FA, // rgb(230,230,250)
84 lavender_blush = 0xFFF0F5, // rgb(255,240,245)
85 lawn_green = 0x7CFC00, // rgb(124,252,0)
86 lemon_chiffon = 0xFFFACD, // rgb(255,250,205)
87 light_blue = 0xADD8E6, // rgb(173,216,230)
88 light_coral = 0xF08080, // rgb(240,128,128)
89 light_cyan = 0xE0FFFF, // rgb(224,255,255)
90 light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210)
91 light_gray = 0xD3D3D3, // rgb(211,211,211)
92 light_green = 0x90EE90, // rgb(144,238,144)
93 light_pink = 0xFFB6C1, // rgb(255,182,193)
94 light_salmon = 0xFFA07A, // rgb(255,160,122)
95 light_sea_green = 0x20B2AA, // rgb(32,178,170)
96 light_sky_blue = 0x87CEFA, // rgb(135,206,250)
97 light_slate_gray = 0x778899, // rgb(119,136,153)
98 light_steel_blue = 0xB0C4DE, // rgb(176,196,222)
99 light_yellow = 0xFFFFE0, // rgb(255,255,224)
100 lime = 0x00FF00, // rgb(0,255,0)
101 lime_green = 0x32CD32, // rgb(50,205,50)
102 linen = 0xFAF0E6, // rgb(250,240,230)
103 magenta = 0xFF00FF, // rgb(255,0,255)
104 maroon = 0x800000, // rgb(128,0,0)
105 medium_aquamarine = 0x66CDAA, // rgb(102,205,170)
106 medium_blue = 0x0000CD, // rgb(0,0,205)
107 medium_orchid = 0xBA55D3, // rgb(186,85,211)
108 medium_purple = 0x9370DB, // rgb(147,112,219)
109 medium_sea_green = 0x3CB371, // rgb(60,179,113)
110 medium_slate_blue = 0x7B68EE, // rgb(123,104,238)
111 medium_spring_green = 0x00FA9A, // rgb(0,250,154)
112 medium_turquoise = 0x48D1CC, // rgb(72,209,204)
113 medium_violet_red = 0xC71585, // rgb(199,21,133)
114 midnight_blue = 0x191970, // rgb(25,25,112)
115 mint_cream = 0xF5FFFA, // rgb(245,255,250)
116 misty_rose = 0xFFE4E1, // rgb(255,228,225)
117 moccasin = 0xFFE4B5, // rgb(255,228,181)
118 navajo_white = 0xFFDEAD, // rgb(255,222,173)
119 navy = 0x000080, // rgb(0,0,128)
120 old_lace = 0xFDF5E6, // rgb(253,245,230)
121 olive = 0x808000, // rgb(128,128,0)
122 olive_drab = 0x6B8E23, // rgb(107,142,35)
123 orange = 0xFFA500, // rgb(255,165,0)
124 orange_red = 0xFF4500, // rgb(255,69,0)
125 orchid = 0xDA70D6, // rgb(218,112,214)
126 pale_golden_rod = 0xEEE8AA, // rgb(238,232,170)
127 pale_green = 0x98FB98, // rgb(152,251,152)
128 pale_turquoise = 0xAFEEEE, // rgb(175,238,238)
129 pale_violet_red = 0xDB7093, // rgb(219,112,147)
130 papaya_whip = 0xFFEFD5, // rgb(255,239,213)
131 peach_puff = 0xFFDAB9, // rgb(255,218,185)
132 peru = 0xCD853F, // rgb(205,133,63)
133 pink = 0xFFC0CB, // rgb(255,192,203)
134 plum = 0xDDA0DD, // rgb(221,160,221)
135 powder_blue = 0xB0E0E6, // rgb(176,224,230)
136 purple = 0x800080, // rgb(128,0,128)
137 rebecca_purple = 0x663399, // rgb(102,51,153)
138 red = 0xFF0000, // rgb(255,0,0)
139 rosy_brown = 0xBC8F8F, // rgb(188,143,143)
140 royal_blue = 0x4169E1, // rgb(65,105,225)
141 saddle_brown = 0x8B4513, // rgb(139,69,19)
142 salmon = 0xFA8072, // rgb(250,128,114)
143 sandy_brown = 0xF4A460, // rgb(244,164,96)
144 sea_green = 0x2E8B57, // rgb(46,139,87)
145 sea_shell = 0xFFF5EE, // rgb(255,245,238)
146 sienna = 0xA0522D, // rgb(160,82,45)
147 silver = 0xC0C0C0, // rgb(192,192,192)
148 sky_blue = 0x87CEEB, // rgb(135,206,235)
149 slate_blue = 0x6A5ACD, // rgb(106,90,205)
150 slate_gray = 0x708090, // rgb(112,128,144)
151 snow = 0xFFFAFA, // rgb(255,250,250)
152 spring_green = 0x00FF7F, // rgb(0,255,127)
153 steel_blue = 0x4682B4, // rgb(70,130,180)
154 tan = 0xD2B48C, // rgb(210,180,140)
155 teal = 0x008080, // rgb(0,128,128)
156 thistle = 0xD8BFD8, // rgb(216,191,216)
157 tomato = 0xFF6347, // rgb(255,99,71)
158 turquoise = 0x40E0D0, // rgb(64,224,208)
159 violet = 0xEE82EE, // rgb(238,130,238)
160 wheat = 0xF5DEB3, // rgb(245,222,179)
161 white = 0xFFFFFF, // rgb(255,255,255)
162 white_smoke = 0xF5F5F5, // rgb(245,245,245)
163 yellow = 0xFFFF00, // rgb(255,255,0)
164 yellow_green = 0x9ACD32 // rgb(154,205,50)
165}; // enum class color
166
167enum class terminal_color : uint8_t {
168 black = 30,
169 red,
170 green,
171 yellow,
172 blue,
173 magenta,
174 cyan,
175 white,
176 bright_black = 90,
177 bright_red,
178 bright_green,
179 bright_yellow,
180 bright_blue,
181 bright_magenta,
182 bright_cyan,
183 bright_white
184};
185
186enum class emphasis : uint8_t {
187 bold = 1,
188 faint = 1 << 1,
189 italic = 1 << 2,
190 underline = 1 << 3,
191 blink = 1 << 4,
192 reverse = 1 << 5,
193 conceal = 1 << 6,
194 strikethrough = 1 << 7,
195};
196
197// rgb is a struct for red, green and blue colors.
198// Using the name "rgb" makes some editors show the color in a tooltip.
199struct rgb {
200 FMT_CONSTEXPR rgb() : r(0), g(0), b(0) {}
201 FMT_CONSTEXPR rgb(uint8_t r_, uint8_t g_, uint8_t b_) : r(r_), g(g_), b(b_) {}
202 FMT_CONSTEXPR rgb(uint32_t hex)
203 : r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b(hex & 0xFF) {}
204 FMT_CONSTEXPR rgb(color hex)
205 : r((uint32_t(hex) >> 16) & 0xFF),
206 g((uint32_t(hex) >> 8) & 0xFF),
207 b(uint32_t(hex) & 0xFF) {}
208 uint8_t r;
209 uint8_t g;
210 uint8_t b;
211};
212
213FMT_BEGIN_DETAIL_NAMESPACE
214
215// color is a struct of either a rgb color or a terminal color.
216struct color_type {
217 FMT_CONSTEXPR color_type() FMT_NOEXCEPT : is_rgb(), value{} {}
218 FMT_CONSTEXPR color_type(color rgb_color) FMT_NOEXCEPT : is_rgb(true),
219 value{} {
220 value.rgb_color = static_cast<uint32_t>(rgb_color);
221 }
222 FMT_CONSTEXPR color_type(rgb rgb_color) FMT_NOEXCEPT : is_rgb(true), value{} {
223 value.rgb_color = (static_cast<uint32_t>(rgb_color.r) << 16) |
224 (static_cast<uint32_t>(rgb_color.g) << 8) | rgb_color.b;
225 }
226 FMT_CONSTEXPR color_type(terminal_color term_color) FMT_NOEXCEPT : is_rgb(),
227 value{} {
228 value.term_color = static_cast<uint8_t>(term_color);
229 }
230 bool is_rgb;
231 union color_union {
232 uint8_t term_color;
233 uint32_t rgb_color;
234 } value;
235};
236
237FMT_END_DETAIL_NAMESPACE
238
239/** A text style consisting of foreground and background colors and emphasis. */
240class text_style {
241 public:
242 FMT_CONSTEXPR text_style(emphasis em = emphasis()) FMT_NOEXCEPT
243 : set_foreground_color(),
244 set_background_color(),
245 ems(em) {}
246
247 FMT_CONSTEXPR text_style& operator|=(const text_style& rhs) {
248 if (!set_foreground_color) {
249 set_foreground_color = rhs.set_foreground_color;
250 foreground_color = rhs.foreground_color;
251 } else if (rhs.set_foreground_color) {
252 if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
253 FMT_THROW(format_error("can't OR a terminal color"));
254 foreground_color.value.rgb_color |= rhs.foreground_color.value.rgb_color;
255 }
256
257 if (!set_background_color) {
258 set_background_color = rhs.set_background_color;
259 background_color = rhs.background_color;
260 } else if (rhs.set_background_color) {
261 if (!background_color.is_rgb || !rhs.background_color.is_rgb)
262 FMT_THROW(format_error("can't OR a terminal color"));
263 background_color.value.rgb_color |= rhs.background_color.value.rgb_color;
264 }
265
266 ems = static_cast<emphasis>(static_cast<uint8_t>(ems) |
267 static_cast<uint8_t>(rhs.ems));
268 return *this;
269 }
270
271 friend FMT_CONSTEXPR text_style operator|(text_style lhs,
272 const text_style& rhs) {
273 return lhs |= rhs;
274 }
275
276 FMT_DEPRECATED_NONMSVC FMT_CONSTEXPR text_style& operator&=(
277 const text_style& rhs) {
278 return and_assign(rhs);
279 }
280
281 FMT_DEPRECATED_NONMSVC friend FMT_CONSTEXPR text_style
282 operator&(text_style lhs, const text_style& rhs) {
283 return lhs.and_assign(rhs);
284 }
285
286 FMT_CONSTEXPR bool has_foreground() const FMT_NOEXCEPT {
287 return set_foreground_color;
288 }
289 FMT_CONSTEXPR bool has_background() const FMT_NOEXCEPT {
290 return set_background_color;
291 }
292 FMT_CONSTEXPR bool has_emphasis() const FMT_NOEXCEPT {
293 return static_cast<uint8_t>(ems) != 0;
294 }
295 FMT_CONSTEXPR detail::color_type get_foreground() const FMT_NOEXCEPT {
296 FMT_ASSERT(has_foreground(), "no foreground specified for this style");
297 return foreground_color;
298 }
299 FMT_CONSTEXPR detail::color_type get_background() const FMT_NOEXCEPT {
300 FMT_ASSERT(has_background(), "no background specified for this style");
301 return background_color;
302 }
303 FMT_CONSTEXPR emphasis get_emphasis() const FMT_NOEXCEPT {
304 FMT_ASSERT(has_emphasis(), "no emphasis specified for this style");
305 return ems;
306 }
307
308 private:
309 FMT_CONSTEXPR text_style(bool is_foreground,
310 detail::color_type text_color) FMT_NOEXCEPT
311 : set_foreground_color(),
312 set_background_color(),
313 ems() {
314 if (is_foreground) {
315 foreground_color = text_color;
316 set_foreground_color = true;
317 } else {
318 background_color = text_color;
319 set_background_color = true;
320 }
321 }
322
323 // DEPRECATED!
324 FMT_CONSTEXPR text_style& and_assign(const text_style& rhs) {
325 if (!set_foreground_color) {
326 set_foreground_color = rhs.set_foreground_color;
327 foreground_color = rhs.foreground_color;
328 } else if (rhs.set_foreground_color) {
329 if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
330 FMT_THROW(format_error("can't AND a terminal color"));
331 foreground_color.value.rgb_color &= rhs.foreground_color.value.rgb_color;
332 }
333
334 if (!set_background_color) {
335 set_background_color = rhs.set_background_color;
336 background_color = rhs.background_color;
337 } else if (rhs.set_background_color) {
338 if (!background_color.is_rgb || !rhs.background_color.is_rgb)
339 FMT_THROW(format_error("can't AND a terminal color"));
340 background_color.value.rgb_color &= rhs.background_color.value.rgb_color;
341 }
342
343 ems = static_cast<emphasis>(static_cast<uint8_t>(ems) &
344 static_cast<uint8_t>(rhs.ems));
345 return *this;
346 }
347
348 friend FMT_CONSTEXPR_DECL text_style fg(detail::color_type foreground)
349 FMT_NOEXCEPT;
350
351 friend FMT_CONSTEXPR_DECL text_style bg(detail::color_type background)
352 FMT_NOEXCEPT;
353
354 detail::color_type foreground_color;
355 detail::color_type background_color;
356 bool set_foreground_color;
357 bool set_background_color;
358 emphasis ems;
359};
360
361/** Creates a text style from the foreground (text) color. */
362FMT_CONSTEXPR inline text_style fg(detail::color_type foreground) FMT_NOEXCEPT {
363 return text_style(true, foreground);
364}
365
366/** Creates a text style from the background color. */
367FMT_CONSTEXPR inline text_style bg(detail::color_type background) FMT_NOEXCEPT {
368 return text_style(false, background);
369}
370
371FMT_CONSTEXPR inline text_style operator|(emphasis lhs,
372 emphasis rhs) FMT_NOEXCEPT {
373 return text_style(lhs) | rhs;
374}
375
376FMT_BEGIN_DETAIL_NAMESPACE
377
378template <typename Char> struct ansi_color_escape {
379 FMT_CONSTEXPR ansi_color_escape(detail::color_type text_color,
380 const char* esc) FMT_NOEXCEPT {
381 // If we have a terminal color, we need to output another escape code
382 // sequence.
383 if (!text_color.is_rgb) {
384 bool is_background = esc == string_view("\x1b[48;2;");
385 uint32_t value = text_color.value.term_color;
386 // Background ASCII codes are the same as the foreground ones but with
387 // 10 more.
388 if (is_background) value += 10u;
389
390 size_t index = 0;
391 buffer[index++] = static_cast<Char>('\x1b');
392 buffer[index++] = static_cast<Char>('[');
393
394 if (value >= 100u) {
395 buffer[index++] = static_cast<Char>('1');
396 value %= 100u;
397 }
398 buffer[index++] = static_cast<Char>('0' + value / 10u);
399 buffer[index++] = static_cast<Char>('0' + value % 10u);
400
401 buffer[index++] = static_cast<Char>('m');
402 buffer[index++] = static_cast<Char>('\0');
403 return;
404 }
405
406 for (int i = 0; i < 7; i++) {
407 buffer[i] = static_cast<Char>(esc[i]);
408 }
409 rgb color(text_color.value.rgb_color);
410 to_esc(color.r, buffer + 7, ';');
411 to_esc(color.g, buffer + 11, ';');
412 to_esc(color.b, buffer + 15, 'm');
413 buffer[19] = static_cast<Char>(0);
414 }
415 FMT_CONSTEXPR ansi_color_escape(emphasis em) FMT_NOEXCEPT {
416 uint8_t em_codes[num_emphases] = {};
417 if (has_emphasis(em, emphasis::bold)) em_codes[0] = 1;
418 if (has_emphasis(em, emphasis::faint)) em_codes[1] = 2;
419 if (has_emphasis(em, emphasis::italic)) em_codes[2] = 3;
420 if (has_emphasis(em, emphasis::underline)) em_codes[3] = 4;
421 if (has_emphasis(em, emphasis::blink)) em_codes[4] = 5;
422 if (has_emphasis(em, emphasis::reverse)) em_codes[5] = 7;
423 if (has_emphasis(em, emphasis::conceal)) em_codes[6] = 8;
424 if (has_emphasis(em, emphasis::strikethrough)) em_codes[7] = 9;
425
426 size_t index = 0;
427 for (size_t i = 0; i < num_emphases; ++i) {
428 if (!em_codes[i]) continue;
429 buffer[index++] = static_cast<Char>('\x1b');
430 buffer[index++] = static_cast<Char>('[');
431 buffer[index++] = static_cast<Char>('0' + em_codes[i]);
432 buffer[index++] = static_cast<Char>('m');
433 }
434 buffer[index++] = static_cast<Char>(0);
435 }
436 FMT_CONSTEXPR operator const Char*() const FMT_NOEXCEPT { return buffer; }
437
438 FMT_CONSTEXPR const Char* begin() const FMT_NOEXCEPT { return buffer; }
439 FMT_CONSTEXPR_CHAR_TRAITS const Char* end() const FMT_NOEXCEPT {
440 return buffer + std::char_traits<Char>::length(buffer);
441 }
442
443 private:
444 static constexpr size_t num_emphases = 8;
445 Char buffer[7u + 3u * num_emphases + 1u];
446
447 static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out,
448 char delimiter) FMT_NOEXCEPT {
449 out[0] = static_cast<Char>('0' + c / 100);
450 out[1] = static_cast<Char>('0' + c / 10 % 10);
451 out[2] = static_cast<Char>('0' + c % 10);
452 out[3] = static_cast<Char>(delimiter);
453 }
454 static FMT_CONSTEXPR bool has_emphasis(emphasis em,
455 emphasis mask) FMT_NOEXCEPT {
456 return static_cast<uint8_t>(em) & static_cast<uint8_t>(mask);
457 }
458};
459
460template <typename Char>
461FMT_CONSTEXPR ansi_color_escape<Char> make_foreground_color(
462 detail::color_type foreground) FMT_NOEXCEPT {
463 return ansi_color_escape<Char>(foreground, "\x1b[38;2;");
464}
465
466template <typename Char>
467FMT_CONSTEXPR ansi_color_escape<Char> make_background_color(
468 detail::color_type background) FMT_NOEXCEPT {
469 return ansi_color_escape<Char>(background, "\x1b[48;2;");
470}
471
472template <typename Char>
473FMT_CONSTEXPR ansi_color_escape<Char> make_emphasis(emphasis em) FMT_NOEXCEPT {
474 return ansi_color_escape<Char>(em);
475}
476
477template <typename Char>
478inline void fputs(const Char* chars, FILE* stream) FMT_NOEXCEPT {
479 std::fputs(chars, stream);
480}
481
482template <>
483inline void fputs<wchar_t>(const wchar_t* chars, FILE* stream) FMT_NOEXCEPT {
484 std::fputws(chars, stream);
485}
486
487template <typename Char> inline void reset_color(FILE* stream) FMT_NOEXCEPT {
488 fputs("\x1b[0m", stream);
489}
490
491template <> inline void reset_color<wchar_t>(FILE* stream) FMT_NOEXCEPT {
492 fputs(L"\x1b[0m", stream);
493}
494
495template <typename Char>
496inline void reset_color(buffer<Char>& buffer) FMT_NOEXCEPT {
497 auto reset_color = string_view("\x1b[0m");
498 buffer.append(reset_color.begin(), reset_color.end());
499}
500
501template <typename Char>
502void vformat_to(buffer<Char>& buf, const text_style& ts,
503 basic_string_view<Char> format_str,
504 basic_format_args<buffer_context<type_identity_t<Char>>> args) {
505 bool has_style = false;
506 if (ts.has_emphasis()) {
507 has_style = true;
508 auto emphasis = detail::make_emphasis<Char>(ts.get_emphasis());
509 buf.append(emphasis.begin(), emphasis.end());
510 }
511 if (ts.has_foreground()) {
512 has_style = true;
513 auto foreground = detail::make_foreground_color<Char>(ts.get_foreground());
514 buf.append(foreground.begin(), foreground.end());
515 }
516 if (ts.has_background()) {
517 has_style = true;
518 auto background = detail::make_background_color<Char>(ts.get_background());
519 buf.append(background.begin(), background.end());
520 }
521 detail::vformat_to(buf, format_str, args, {});
522 if (has_style) detail::reset_color<Char>(buf);
523}
524
525FMT_END_DETAIL_NAMESPACE
526
527template <typename S, typename Char = char_t<S>>
528void vprint(std::FILE* f, const text_style& ts, const S& format,
529 basic_format_args<buffer_context<type_identity_t<Char>>> args) {
530 basic_memory_buffer<Char> buf;
531 detail::vformat_to(buf, ts, to_string_view(format), args);
532 buf.push_back(Char(0));
533 detail::fputs(buf.data(), f);
534}
535
536/**
537 \rst
538 Formats a string and prints it to the specified file stream using ANSI
539 escape sequences to specify text formatting.
540
541 **Example**::
542
543 fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
544 "Elapsed time: {0:.2f} seconds", 1.23);
545 \endrst
546 */
547template <typename S, typename... Args,
548 FMT_ENABLE_IF(detail::is_string<S>::value)>
549void print(std::FILE* f, const text_style& ts, const S& format_str,
550 const Args&... args) {
551 vprint(f, ts, format_str,
552 fmt::make_args_checked<Args...>(format_str, args...));
553}
554
555/**
556 \rst
557 Formats a string and prints it to stdout using ANSI escape sequences to
558 specify text formatting.
559
560 **Example**::
561
562 fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
563 "Elapsed time: {0:.2f} seconds", 1.23);
564 \endrst
565 */
566template <typename S, typename... Args,
567 FMT_ENABLE_IF(detail::is_string<S>::value)>
568void print(const text_style& ts, const S& format_str, const Args&... args) {
569 return print(stdout, ts, format_str, args...);
570}
571
572template <typename S, typename Char = char_t<S>>
573inline std::basic_string<Char> vformat(
574 const text_style& ts, const S& format_str,
575 basic_format_args<buffer_context<type_identity_t<Char>>> args) {
576 basic_memory_buffer<Char> buf;
577 detail::vformat_to(buf, ts, to_string_view(format_str), args);
578 return fmt::to_string(buf);
579}
580
581/**
582 \rst
583 Formats arguments and returns the result as a string using ANSI
584 escape sequences to specify text formatting.
585
586 **Example**::
587
588 #include <fmt/color.h>
589 std::string message = fmt::format(fmt::emphasis::bold | fg(fmt::color::red),
590 "The answer is {}", 42);
591 \endrst
592*/
593template <typename S, typename... Args, typename Char = char_t<S>>
594inline std::basic_string<Char> format(const text_style& ts, const S& format_str,
595 const Args&... args) {
596 return fmt::vformat(ts, to_string_view(format_str),
597 fmt::make_args_checked<Args...>(format_str, args...));
598}
599
600/**
601 Formats a string with the given text_style and writes the output to ``out``.
602 */
603template <typename OutputIt, typename Char,
604 FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value)>
605OutputIt vformat_to(
606 OutputIt out, const text_style& ts, basic_string_view<Char> format_str,
607 basic_format_args<buffer_context<type_identity_t<Char>>> args) {
608 auto&& buf = detail::get_buffer<Char>(out);
609 detail::vformat_to(buf, ts, format_str, args);
610 return detail::get_iterator(buf);
611}
612
613/**
614 \rst
615 Formats arguments with the given text_style, writes the result to the output
616 iterator ``out`` and returns the iterator past the end of the output range.
617
618 **Example**::
619
620 std::vector<char> out;
621 fmt::format_to(std::back_inserter(out),
622 fmt::emphasis::bold | fg(fmt::color::red), "{}", 42);
623 \endrst
624*/
625template <typename OutputIt, typename S, typename... Args,
626 bool enable = detail::is_output_iterator<OutputIt, char_t<S>>::value&&
627 detail::is_string<S>::value>
628inline auto format_to(OutputIt out, const text_style& ts, const S& format_str,
629 Args&&... args) ->
630 typename std::enable_if<enable, OutputIt>::type {
631 return vformat_to(out, ts, to_string_view(format_str),
632 fmt::make_args_checked<Args...>(format_str, args...));
633}
634
635FMT_MODULE_EXPORT_END
636FMT_END_NAMESPACE
637
638#endif // FMT_COLOR_H_
LTTng 2.0 tools and control repository
This page took 0.043952 seconds and 4 git commands to generate.