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330 lines
14 KiB
C++
330 lines
14 KiB
C++
// Formatting library for C++ - color support
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//
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// Copyright (c) 2018 - present, Victor Zverovich and fmt contributors
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// All rights reserved.
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//
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// For the license information refer to format.h.
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#ifndef FMT_COLOR_H_
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#define FMT_COLOR_H_
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#include "format.h"
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FMT_BEGIN_NAMESPACE
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#ifdef FMT_DEPRECATED_COLORS
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// color and (v)print_colored are deprecated.
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enum color { black, red, green, yellow, blue, magenta, cyan, white };
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FMT_API void vprint_colored(color c, string_view format, format_args args);
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FMT_API void vprint_colored(color c, wstring_view format, wformat_args args);
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template <typename... Args>
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inline void print_colored(color c, string_view format_str,
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const Args & ... args) {
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vprint_colored(c, format_str, make_format_args(args...));
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}
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template <typename... Args>
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inline void print_colored(color c, wstring_view format_str,
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const Args & ... args) {
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vprint_colored(c, format_str, make_format_args<wformat_context>(args...));
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}
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inline void vprint_colored(color c, string_view format, format_args args) {
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char escape[] = "\x1b[30m";
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escape[3] = static_cast<char>('0' + c);
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std::fputs(escape, stdout);
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vprint(format, args);
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std::fputs(internal::data::RESET_COLOR, stdout);
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}
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inline void vprint_colored(color c, wstring_view format, wformat_args args) {
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wchar_t escape[] = L"\x1b[30m";
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escape[3] = static_cast<wchar_t>('0' + c);
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std::fputws(escape, stdout);
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vprint(format, args);
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std::fputws(internal::data::WRESET_COLOR, stdout);
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}
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#else
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// Experimental color support.
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enum class color : uint32_t {
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alice_blue = 0xF0F8FF, // rgb(240,248,255)
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antique_white = 0xFAEBD7, // rgb(250,235,215)
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aqua = 0x00FFFF, // rgb(0,255,255)
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aquamarine = 0x7FFFD4, // rgb(127,255,212)
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azure = 0xF0FFFF, // rgb(240,255,255)
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beige = 0xF5F5DC, // rgb(245,245,220)
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bisque = 0xFFE4C4, // rgb(255,228,196)
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black = 0x000000, // rgb(0,0,0)
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blanched_almond = 0xFFEBCD, // rgb(255,235,205)
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blue = 0x0000FF, // rgb(0,0,255)
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blue_violet = 0x8A2BE2, // rgb(138,43,226)
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brown = 0xA52A2A, // rgb(165,42,42)
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burly_wood = 0xDEB887, // rgb(222,184,135)
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cadet_blue = 0x5F9EA0, // rgb(95,158,160)
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chartreuse = 0x7FFF00, // rgb(127,255,0)
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chocolate = 0xD2691E, // rgb(210,105,30)
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coral = 0xFF7F50, // rgb(255,127,80)
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cornflower_blue = 0x6495ED, // rgb(100,149,237)
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cornsilk = 0xFFF8DC, // rgb(255,248,220)
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crimson = 0xDC143C, // rgb(220,20,60)
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cyan = 0x00FFFF, // rgb(0,255,255)
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dark_blue = 0x00008B, // rgb(0,0,139)
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dark_cyan = 0x008B8B, // rgb(0,139,139)
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dark_golden_rod = 0xB8860B, // rgb(184,134,11)
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dark_gray = 0xA9A9A9, // rgb(169,169,169)
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dark_green = 0x006400, // rgb(0,100,0)
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dark_khaki = 0xBDB76B, // rgb(189,183,107)
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dark_magenta = 0x8B008B, // rgb(139,0,139)
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dark_olive_green = 0x556B2F, // rgb(85,107,47)
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dark_orange = 0xFF8C00, // rgb(255,140,0)
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dark_orchid = 0x9932CC, // rgb(153,50,204)
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dark_red = 0x8B0000, // rgb(139,0,0)
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dark_salmon = 0xE9967A, // rgb(233,150,122)
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dark_sea_green = 0x8FBC8F, // rgb(143,188,143)
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dark_slate_blue = 0x483D8B, // rgb(72,61,139)
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dark_slate_gray = 0x2F4F4F, // rgb(47,79,79)
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dark_turquoise = 0x00CED1, // rgb(0,206,209)
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dark_violet = 0x9400D3, // rgb(148,0,211)
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deep_pink = 0xFF1493, // rgb(255,20,147)
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deep_sky_blue = 0x00BFFF, // rgb(0,191,255)
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dim_gray = 0x696969, // rgb(105,105,105)
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dodger_blue = 0x1E90FF, // rgb(30,144,255)
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fire_brick = 0xB22222, // rgb(178,34,34)
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floral_white = 0xFFFAF0, // rgb(255,250,240)
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forest_green = 0x228B22, // rgb(34,139,34)
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fuchsia = 0xFF00FF, // rgb(255,0,255)
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gainsboro = 0xDCDCDC, // rgb(220,220,220)
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ghost_white = 0xF8F8FF, // rgb(248,248,255)
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gold = 0xFFD700, // rgb(255,215,0)
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golden_rod = 0xDAA520, // rgb(218,165,32)
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gray = 0x808080, // rgb(128,128,128)
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green = 0x008000, // rgb(0,128,0)
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green_yellow = 0xADFF2F, // rgb(173,255,47)
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honey_dew = 0xF0FFF0, // rgb(240,255,240)
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hot_pink = 0xFF69B4, // rgb(255,105,180)
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indian_red = 0xCD5C5C, // rgb(205,92,92)
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indigo = 0x4B0082, // rgb(75,0,130)
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ivory = 0xFFFFF0, // rgb(255,255,240)
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khaki = 0xF0E68C, // rgb(240,230,140)
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lavender = 0xE6E6FA, // rgb(230,230,250)
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lavender_blush = 0xFFF0F5, // rgb(255,240,245)
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lawn_green = 0x7CFC00, // rgb(124,252,0)
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lemon_chiffon = 0xFFFACD, // rgb(255,250,205)
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light_blue = 0xADD8E6, // rgb(173,216,230)
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light_coral = 0xF08080, // rgb(240,128,128)
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light_cyan = 0xE0FFFF, // rgb(224,255,255)
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light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210)
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light_gray = 0xD3D3D3, // rgb(211,211,211)
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light_green = 0x90EE90, // rgb(144,238,144)
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light_pink = 0xFFB6C1, // rgb(255,182,193)
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light_salmon = 0xFFA07A, // rgb(255,160,122)
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light_sea_green = 0x20B2AA, // rgb(32,178,170)
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light_sky_blue = 0x87CEFA, // rgb(135,206,250)
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light_slate_gray = 0x778899, // rgb(119,136,153)
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light_steel_blue = 0xB0C4DE, // rgb(176,196,222)
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light_yellow = 0xFFFFE0, // rgb(255,255,224)
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lime = 0x00FF00, // rgb(0,255,0)
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lime_green = 0x32CD32, // rgb(50,205,50)
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linen = 0xFAF0E6, // rgb(250,240,230)
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magenta = 0xFF00FF, // rgb(255,0,255)
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maroon = 0x800000, // rgb(128,0,0)
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medium_aquamarine = 0x66CDAA, // rgb(102,205,170)
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medium_blue = 0x0000CD, // rgb(0,0,205)
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medium_orchid = 0xBA55D3, // rgb(186,85,211)
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medium_purple = 0x9370DB, // rgb(147,112,219)
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medium_sea_green = 0x3CB371, // rgb(60,179,113)
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medium_slate_blue = 0x7B68EE, // rgb(123,104,238)
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medium_spring_green = 0x00FA9A, // rgb(0,250,154)
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medium_turquoise = 0x48D1CC, // rgb(72,209,204)
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medium_violet_red = 0xC71585, // rgb(199,21,133)
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midnight_blue = 0x191970, // rgb(25,25,112)
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mint_cream = 0xF5FFFA, // rgb(245,255,250)
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misty_rose = 0xFFE4E1, // rgb(255,228,225)
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moccasin = 0xFFE4B5, // rgb(255,228,181)
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navajo_white = 0xFFDEAD, // rgb(255,222,173)
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navy = 0x000080, // rgb(0,0,128)
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old_lace = 0xFDF5E6, // rgb(253,245,230)
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olive = 0x808000, // rgb(128,128,0)
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olive_drab = 0x6B8E23, // rgb(107,142,35)
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orange = 0xFFA500, // rgb(255,165,0)
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orange_red = 0xFF4500, // rgb(255,69,0)
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orchid = 0xDA70D6, // rgb(218,112,214)
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pale_golden_rod = 0xEEE8AA, // rgb(238,232,170)
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pale_green = 0x98FB98, // rgb(152,251,152)
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pale_turquoise = 0xAFEEEE, // rgb(175,238,238)
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pale_violet_red = 0xDB7093, // rgb(219,112,147)
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papaya_whip = 0xFFEFD5, // rgb(255,239,213)
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peach_puff = 0xFFDAB9, // rgb(255,218,185)
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peru = 0xCD853F, // rgb(205,133,63)
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pink = 0xFFC0CB, // rgb(255,192,203)
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plum = 0xDDA0DD, // rgb(221,160,221)
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powder_blue = 0xB0E0E6, // rgb(176,224,230)
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purple = 0x800080, // rgb(128,0,128)
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rebecca_purple = 0x663399, // rgb(102,51,153)
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red = 0xFF0000, // rgb(255,0,0)
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rosy_brown = 0xBC8F8F, // rgb(188,143,143)
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royal_blue = 0x4169E1, // rgb(65,105,225)
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saddle_brown = 0x8B4513, // rgb(139,69,19)
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salmon = 0xFA8072, // rgb(250,128,114)
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sandy_brown = 0xF4A460, // rgb(244,164,96)
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sea_green = 0x2E8B57, // rgb(46,139,87)
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sea_shell = 0xFFF5EE, // rgb(255,245,238)
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sienna = 0xA0522D, // rgb(160,82,45)
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silver = 0xC0C0C0, // rgb(192,192,192)
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sky_blue = 0x87CEEB, // rgb(135,206,235)
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slate_blue = 0x6A5ACD, // rgb(106,90,205)
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slate_gray = 0x708090, // rgb(112,128,144)
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snow = 0xFFFAFA, // rgb(255,250,250)
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spring_green = 0x00FF7F, // rgb(0,255,127)
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steel_blue = 0x4682B4, // rgb(70,130,180)
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tan = 0xD2B48C, // rgb(210,180,140)
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teal = 0x008080, // rgb(0,128,128)
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thistle = 0xD8BFD8, // rgb(216,191,216)
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tomato = 0xFF6347, // rgb(255,99,71)
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turquoise = 0x40E0D0, // rgb(64,224,208)
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violet = 0xEE82EE, // rgb(238,130,238)
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wheat = 0xF5DEB3, // rgb(245,222,179)
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white = 0xFFFFFF, // rgb(255,255,255)
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white_smoke = 0xF5F5F5, // rgb(245,245,245)
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yellow = 0xFFFF00, // rgb(255,255,0)
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yellow_green = 0x9ACD32, // rgb(154,205,50)
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}; // enum class color
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// rgb is a struct for red, green and blue colors.
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// We use rgb as name because some editors will show it as color direct in the
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// editor.
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struct rgb {
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FMT_CONSTEXPR_DECL rgb() : r(0), g(0), b(0) {}
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FMT_CONSTEXPR_DECL rgb(uint8_t r_, uint8_t g_, uint8_t b_)
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: r(r_), g(g_), b(b_) {}
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FMT_CONSTEXPR_DECL rgb(uint32_t hex)
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: r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b((hex) & 0xFF) {}
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FMT_CONSTEXPR_DECL rgb(color hex)
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: r((uint32_t(hex) >> 16) & 0xFF), g((uint32_t(hex) >> 8) & 0xFF),
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b(uint32_t(hex) & 0xFF) {}
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uint8_t r;
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uint8_t g;
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uint8_t b;
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};
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namespace internal {
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template <typename Char>
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struct ansi_color_escape {
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FMT_CONSTEXPR ansi_color_escape(rgb color, const char * esc) FMT_NOEXCEPT {
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for (int i = 0; i < 7; i++) {
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buffer[i] = static_cast<Char>(esc[i]);
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}
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to_esc(color.r, buffer + 7, ';');
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to_esc(color.g, buffer + 11, ';');
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to_esc(color.b, buffer + 15, 'm');
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buffer[19] = static_cast<Char>(0);
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}
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FMT_CONSTEXPR operator const Char *() const FMT_NOEXCEPT { return buffer; }
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private:
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Char buffer[7 + 3 * 4 + 1];
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static FMT_CONSTEXPR void to_esc(uint8_t c, Char *out, char delimiter) FMT_NOEXCEPT {
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out[0] = static_cast<Char>('0' + c / 100);
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out[1] = static_cast<Char>('0' + c / 10 % 10);
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out[2] = static_cast<Char>('0' + c % 10);
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out[3] = static_cast<Char>(delimiter);
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}
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};
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template <typename Char>
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FMT_CONSTEXPR ansi_color_escape<Char>
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make_foreground_color(rgb color) FMT_NOEXCEPT {
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return ansi_color_escape<Char>(color, internal::data::FOREGROUND_COLOR);
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}
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template <typename Char>
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FMT_CONSTEXPR ansi_color_escape<Char>
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make_background_color(rgb color) FMT_NOEXCEPT {
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return ansi_color_escape<Char>(color, internal::data::BACKGROUND_COLOR);
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}
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template <typename Char>
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inline void fputs(const Char *chars, FILE *stream) FMT_NOEXCEPT {
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std::fputs(chars, stream);
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}
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template <>
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inline void fputs<wchar_t>(const wchar_t *chars, FILE *stream) FMT_NOEXCEPT {
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std::fputws(chars, stream);
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}
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template <typename Char>
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inline void reset_color(FILE *stream) FMT_NOEXCEPT {
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fputs(internal::data::RESET_COLOR, stream);
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}
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template <>
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inline void reset_color<wchar_t>(FILE *stream) FMT_NOEXCEPT {
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fputs(internal::data::WRESET_COLOR, stream);
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}
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} // namespace internal
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template <
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typename String,
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typename Char = typename internal::format_string_traits<String>::char_type>
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void vprint_rgb(rgb fd, const String &format,
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basic_format_args<typename buffer_context<Char>::type> args) {
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internal::fputs<Char>(internal::make_foreground_color<Char>(fd), stdout);
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vprint(format, args);
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internal::reset_color<Char>(stdout);
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}
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template <
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typename String,
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typename Char = typename internal::format_string_traits<String>::char_type>
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void vprint_rgb(rgb fd, rgb bg, const String &format,
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basic_format_args<typename buffer_context<Char>::type> args) {
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internal::fputs<Char>(internal::make_foreground_color<Char>(fd), stdout);
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internal::fputs<Char>(internal::make_background_color<Char>(bg), stdout);
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vprint(format, args);
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internal::reset_color<Char>(stdout);
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}
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/**
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Formats a string and prints it to stdout using ANSI escape sequences to
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specify foreground color 'fd'.
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Example:
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fmt::print(fmt::color::red, "Elapsed time: {0:.2f} seconds", 1.23);
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*/
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template <typename String, typename... Args>
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typename std::enable_if<internal::is_string<String>::value>::type
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print(rgb fd, const String &format_str, const Args & ... args) {
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internal::check_format_string<Args...>(format_str);
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typedef typename internal::format_string_traits<String>::char_type char_t;
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typedef typename buffer_context<char_t>::type context_t;
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format_arg_store<context_t, Args...> as{args...};
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vprint_rgb(fd, format_str, basic_format_args<context_t>(as));
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}
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/**
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Formats a string and prints it to stdout using ANSI escape sequences to
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specify foreground color 'fd' and background color 'bg'.
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Example:
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fmt::print(fmt::color::red, fmt::color::black,
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"Elapsed time: {0:.2f} seconds", 1.23);
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*/
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template <typename String, typename... Args>
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typename std::enable_if<internal::is_string<String>::value>::type
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print(rgb fd, rgb bg, const String &format_str, const Args & ... args) {
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internal::check_format_string<Args...>(format_str);
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typedef typename internal::format_string_traits<String>::char_type char_t;
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typedef typename buffer_context<char_t>::type context_t;
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format_arg_store<context_t, Args...> as{args...};
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vprint_rgb(fd, bg, format_str, basic_format_args<context_t>(as));
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}
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#endif
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FMT_END_NAMESPACE
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#endif // FMT_COLOR_H_
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