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colr.c
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/*! \file colr.c
Implements everything in the colr.h header.
\internal
\author Christopher Welborn
\date 06-22-2019
\endinternal
*/
#include "colr.h"
/*! Integer to test for the presence of the "escaped output modifier" in
colr_printf_handler. It is used to trigger "escaped output mode" when
printing ColrC objects, where the color codes are escaped so you can see
what they look like (instead of affecting the terminal).
\details
The character used as the "escaped output modifier" is COLR_FMT_MOD_ESC,
from colr.h.
\warning
This is for ColrC only. You should have no reason to use or modify
this variable.
\details
This is set in colr_printf_register when the modifier is registered.
On a successful call to register_printf_modifier, it will be a positive
number representing the bit set in the USER field in 'struct printf_info'.
So later on, in colr_printf_handler():
\code
using_escape_modifier = (info->user & colr_printf_esc_mod);
\endcode
*/
int colr_printf_esc_mod = 0;
//! An array of BasicInfo items, used with BasicValue_from_str().
const BasicInfo basic_names[] = {
{"reset", RESET},
{"none", RESET},
{"black", BLACK},
{"blue", BLUE},
{"cyan", CYAN},
{"green", GREEN},
{"magenta", MAGENTA},
{"red", RED},
{"white", WHITE},
{"normal", WHITE},
{"yellow", YELLOW},
{"lightblack", LIGHTBLACK},
{"lightblue", LIGHTBLUE},
{"lightcyan", LIGHTCYAN},
{"lightgreen", LIGHTGREEN},
{"lightmagenta", LIGHTMAGENTA},
{"lightred", LIGHTRED},
{"lightwhite", LIGHTWHITE},
{"lightnormal", LIGHTWHITE},
{"lightyellow", LIGHTYELLOW},
{NULL, RESET},
};
//! Length of usable values basic_names.
const size_t basic_names_len = (sizeof(basic_names) / sizeof(basic_names[0])) - 1;
//! An array of ExtendedInfo, used with ExtendedValue_from_str().
const ExtendedInfo extended_names[] = {
{"xred", XRED},
{"xgreen", XGREEN},
{"xyellow", XYELLOW},
{"xblue", XBLUE},
{"xmagenta", XMAGENTA},
{"xcyan", XCYAN},
{"xwhite", XWHITE},
{"xnormal", XWHITE},
{"xlightred", XLIGHTRED},
{"xlightgreen", XLIGHTGREEN},
{"xlightyellow", XLIGHTYELLOW},
{"xlightblack", XLIGHTBLACK},
{"xlightblue", XLIGHTBLUE},
{"xlightmagenta", XLIGHTMAGENTA},
{"xlightwhite", XLIGHTWHITE},
{"xlightnormal", XLIGHTWHITE},
{"xlightcyan", XLIGHTCYAN},
{NULL, RESET},
};
//! Length of usable values in extended_names.
const size_t extended_names_len = (sizeof(extended_names) / sizeof(extended_names[0])) - 1;
//! An array of StyleInfo items, used with StyleName_from_str().
const StyleInfo style_names[] = {
// Using "reset" as the default style name for all RESET_ALL aliases.
// Whichever name is first in the list is the "default" for that style.
{"reset", RESET_ALL},
{"none", RESET_ALL},
{"resetall", RESET_ALL},
{"reset-all", RESET_ALL},
{"reset_all", RESET_ALL},
{"bold", BRIGHT},
{"bright", BRIGHT},
{"dim", DIM},
{"italic", ITALIC},
{"underline", UNDERLINE},
{"flash", FLASH},
{"highlight", HIGHLIGHT},
{"normal", NORMAL},
{"strikethru", STRIKETHRU},
{"strike", STRIKETHRU},
{"strikethrough", STRIKETHRU},
{"frame", FRAME},
{"encircle", ENCIRCLE},
{"circle", ENCIRCLE},
{"overline", OVERLINE},
{NULL, RESET_ALL},
};
//! Length of usable values in style_names.
const size_t style_names_len = (sizeof(style_names) / sizeof(style_names[0])) - 1;
/*! A map from ExtendedValue (256-color) to RGB value, where the index is the
is the ExtendedValue, and the value is the RGB.
\details
This is used in several RGB/ExtendedValue functions.
\sa ExtendedValue_from_RGB
\sa RGB_to_term_RGB
\examplecodefor{ext2rgb_map,.c}
// Fast map an ExtendedValue to an RGB value.
ExtendedValue eval = 9; // 9 happens to be XRED (255;85;85 in RGB).
RGB rgbval = ext2rgb_map[eval];
// The result from ExtendedValue_from_RGB should always match the map.
assert(ExtendedValue_from_RGB(rgbval) == eval);
\endexamplecode
*/
const RGB ext2rgb_map[] = {
// Primary 3-bit colors (8 colors, 0-7)
{0, 0, 0},
{255, 0, 0},
{0, 255, 0},
{255, 255, 0},
{0, 0, 255},
{255, 0, 255},
{0, 255, 255},
{192, 192, 192},
// "Bright" versions of the original 8 colors (8-15).
{128, 128, 128},
{255, 85, 85},
{135, 255, 135},
{255, 255, 215},
{175, 215, 215},
{255, 85, 255},
{215, 255, 255},
{255, 255, 255},
// Strictly ascending.
{0, 0, 0},
{0, 0, 95},
{0, 0, 135},
{0, 0, 175},
{0, 0, 215},
{0, 0, 255},
{0, 95, 0},
{0, 95, 95},
{0, 95, 135},
{0, 95, 175},
{0, 95, 215},
{0, 95, 255},
{0, 135, 0},
{0, 135, 95},
{0, 135, 135},
{0, 135, 175},
{0, 135, 215},
{0, 135, 255},
{0, 175, 0},
{0, 175, 95},
{0, 175, 135},
{0, 175, 175},
{0, 175, 215},
{0, 175, 255},
{0, 215, 0},
{0, 215, 95},
{0, 215, 135},
{0, 215, 175},
{0, 215, 215},
{0, 215, 255},
{0, 255, 0},
{0, 255, 95},
{0, 255, 135},
{0, 255, 175},
{0, 255, 215},
{0, 255, 255},
{95, 0, 0},
{95, 0, 95},
{95, 0, 135},
{95, 0, 175},
{95, 0, 215},
{95, 0, 255},
{95, 95, 0},
{95, 95, 95},
{95, 95, 135},
{95, 95, 175},
{95, 95, 215},
{95, 95, 255},
{95, 135, 0},
{95, 135, 95},
{95, 135, 135},
{95, 135, 175},
{95, 135, 215},
{95, 135, 255},
{95, 175, 0},
{95, 175, 95},
{95, 175, 135},
{95, 175, 175},
{95, 175, 215},
{95, 175, 255},
{95, 215, 0},
{95, 215, 95},
{95, 215, 135},
{95, 215, 175},
{95, 215, 215},
{95, 215, 255},
{95, 255, 0},
{95, 255, 95},
{95, 255, 135},
{95, 255, 175},
{95, 255, 215},
{95, 255, 255},
{135, 0, 0},
{135, 0, 95},
{135, 0, 135},
{135, 0, 175},
{135, 0, 215},
{135, 0, 255},
{135, 95, 0},
{135, 95, 95},
{135, 95, 135},
{135, 95, 175},
{135, 95, 215},
{135, 95, 255},
{135, 135, 0},
{135, 135, 95},
{135, 135, 135},
{135, 135, 175},
{135, 135, 215},
{135, 135, 255},
{135, 175, 0},
{135, 175, 95},
{135, 175, 135},
{135, 175, 175},
{135, 175, 215},
{135, 175, 255},
{135, 215, 0},
{135, 215, 95},
{135, 215, 135},
{135, 215, 175},
{135, 215, 215},
{135, 215, 255},
{135, 255, 0},
{135, 255, 95},
{135, 255, 135},
{135, 255, 175},
{135, 255, 215},
{135, 255, 255},
{175, 0, 0},
{175, 0, 95},
{175, 0, 135},
{175, 0, 175},
{175, 0, 215},
{175, 0, 255},
{175, 95, 0},
{175, 95, 95},
{175, 95, 135},
{175, 95, 175},
{175, 95, 215},
{175, 95, 255},
{175, 135, 0},
{175, 135, 95},
{175, 135, 135},
{175, 135, 175},
{175, 135, 215},
{175, 135, 255},
{175, 175, 0},
{175, 175, 95},
{175, 175, 135},
{175, 175, 175},
{175, 175, 215},
{175, 175, 255},
{175, 215, 0},
{175, 215, 95},
{175, 215, 135},
{175, 215, 175},
{175, 215, 215},
{175, 215, 255},
{175, 255, 0},
{175, 255, 95},
{175, 255, 135},
{175, 255, 175},
{175, 255, 215},
{175, 255, 255},
{215, 0, 0},
{215, 0, 95},
{215, 0, 135},
{215, 0, 175},
{215, 0, 215},
{215, 0, 255},
{215, 95, 0},
{215, 95, 95},
{215, 95, 135},
{215, 95, 175},
{215, 95, 215},
{215, 95, 255},
{215, 135, 0},
{215, 135, 95},
{215, 135, 135},
{215, 135, 175},
{215, 135, 215},
{215, 135, 255},
{215, 175, 0},
{215, 175, 95},
{215, 175, 135},
{215, 175, 175},
{215, 175, 215},
{215, 175, 255},
{215, 215, 0},
{215, 215, 95},
{215, 215, 135},
{215, 215, 175},
{215, 215, 215},
{215, 215, 255},
{215, 255, 0},
{215, 255, 95},
{215, 255, 135},
{215, 255, 175},
{215, 255, 215},
{215, 255, 255},
{255, 0, 0},
{255, 0, 95},
{255, 0, 135},
{255, 0, 175},
{255, 0, 215},
{255, 0, 255},
{255, 95, 0},
{255, 95, 95},
{255, 95, 135},
{255, 95, 175},
{255, 95, 215},
{255, 95, 255},
{255, 135, 0},
{255, 135, 95},
{255, 135, 135},
{255, 135, 175},
{255, 135, 215},
{255, 135, 255},
{255, 175, 0},
{255, 175, 95},
{255, 175, 135},
{255, 175, 175},
{255, 175, 215},
{255, 175, 255},
{255, 215, 0},
{255, 215, 95},
{255, 215, 135},
{255, 215, 175},
{255, 215, 215},
{255, 215, 255},
{255, 255, 0},
{255, 255, 95},
{255, 255, 135},
{255, 255, 175},
{255, 255, 215},
{255, 255, 255},
{8, 8, 8},
{18, 18, 18},
{28, 28, 28},
{38, 38, 38},
{48, 48, 48},
{58, 58, 58},
{68, 68, 68},
{78, 78, 78},
{88, 88, 88},
{98, 98, 98},
{108, 108, 108},
{118, 118, 118},
{128, 128, 128},
{138, 138, 138},
{148, 148, 148},
{158, 158, 158},
{168, 168, 168},
{178, 178, 178},
{188, 188, 188},
{198, 198, 198},
{208, 208, 208},
{218, 218, 218},
{228, 228, 228},
{238, 238, 238},
};
//! Length of ext2rgb_map (should always be 256).
static_assert(
(sizeof(ext2rgb_map) / sizeof(ext2rgb_map[0])) == 256,
"ExtendedValue->RGB map is not 1:1, should only contain indexes 0-255!"
);
const size_t ext2rgb_map_len = sizeof(ext2rgb_map) / sizeof(ext2rgb_map[0]);
//! An array that holds a known color name, it's ExtendedValue, and it's RGB value.
const ColorNameData colr_name_data[] = {
{"aliceblue", 231, {255, 255, 255}},
{"antiquewhite", 230, {255, 255, 215}},
{"antiquewhite2", 224, {255, 215, 215}},
{"antiquewhite3", 181, {215, 175, 175}},
{"antiquewhite4", 102, {135, 135, 135}},
{"aquamarine", 122, {135, 255, 215}},
{"aquamarine2", 79, {95, 215, 175}},
{"aquamarine3", 66, {95, 135, 135}},
{"azure", 231, {255, 255, 255}},
{"azure2", 195, {215, 255, 255}},
{"azure3", 152, {175, 215, 215}},
{"azure4", 102, {135, 135, 135}},
{"beige", 230, {255, 255, 215}},
{"bisque", 224, {255, 215, 215}},
{"bisque2", 223, {255, 215, 175}},
{"bisque3", 181, {215, 175, 175}},
{"bisque4", 101, {135, 135, 95}},
{"black", 16, {1, 1, 1}},
{"blanchedalmond", 230, {255, 255, 215}},
{"blue", 4, {0, 0, 255}},
{"blue2", 20, {0, 0, 215}},
{"blue3", 18, {0, 0, 135}},
{"blueviolet", 92, {135, 0, 215}},
{"brown", 124, {175, 0, 0}},
{"brown2", 203, {255, 95, 95}},
{"brown3", 167, {215, 95, 95}},
{"brown4", 88, {135, 0, 0}},
{"burlywood", 180, {215, 175, 135}},
{"burlywood2", 223, {255, 215, 175}},
{"burlywood3", 222, {255, 215, 135}},
{"burlywood4", 180, {215, 175, 135}},
{"burlywood5", 101, {135, 135, 95}},
{"cadetblue", 73, {95, 175, 175}},
{"cadetblue2", 123, {135, 255, 255}},
{"cadetblue3", 117, {135, 215, 255}},
{"cadetblue4", 116, {135, 215, 215}},
{"cadetblue5", 66, {95, 135, 135}},
{"chartreuse", 118, {135, 255, 0}},
{"chartreuse2", 76, {95, 215, 0}},
{"chartreuse3", 64, {95, 135, 0}},
{"chocolate", 166, {215, 95, 0}},
{"chocolate2", 208, {255, 135, 0}},
{"chocolate3", 166, {215, 95, 0}},
{"chocolate4", 94, {135, 95, 0}},
{"coral", 203, {255, 95, 95}},
{"coral2", 209, {255, 135, 95}},
{"coral3", 167, {215, 95, 95}},
{"coral4", 94, {135, 95, 0}},
{"cornflowerblue", 69, {95, 135, 255}},
{"cornsilk", 230, {255, 255, 215}},
{"cornsilk2", 224, {255, 215, 215}},
{"cornsilk3", 187, {215, 215, 175}},
{"cornsilk4", 102, {135, 135, 135}},
{"cyan", 6, {0, 255, 255}},
{"cyan2", 44, {0, 215, 215}},
{"cyan3", 30, {0, 135, 135}},
{"darkblue", 18, {0, 0, 135}},
{"darkcyan", 30, {0, 135, 135}},
{"darkgoldenrod", 136, {175, 135, 0}},
{"darkgoldenrod2", 214, {255, 175, 0}},
{"darkgoldenrod3", 172, {215, 135, 0}},
{"darkgoldenrod4", 94, {135, 95, 0}},
{"darkgray", 145, {175, 175, 175}},
{"darkgreen", 22, {0, 95, 0}},
{"darkgrey", 145, {175, 175, 175}},
{"darkkhaki", 143, {175, 175, 95}},
{"darkmagenta", 90, {135, 0, 135}},
{"darkolivegreen", 58, {95, 95, 0}},
{"darkolivegreen2", 191, {215, 255, 95}},
{"darkolivegreen3", 155, {175, 255, 95}},
{"darkolivegreen4", 149, {175, 215, 95}},
{"darkolivegreen5", 65, {95, 135, 95}},
{"darkorange", 208, {255, 135, 0}},
{"darkorange2", 166, {215, 95, 0}},
{"darkorange3", 94, {135, 95, 0}},
{"darkorchid", 98, {135, 95, 215}},
{"darkorchid2", 135, {175, 95, 255}},
{"darkorchid3", 98, {135, 95, 215}},
{"darkorchid4", 54, {95, 0, 135}},
{"darkred", 88, {135, 0, 0}},
{"darksalmon", 174, {215, 135, 135}},
{"darkseagreen", 108, {135, 175, 135}},
{"darkseagreen2", 157, {175, 255, 175}},
{"darkseagreen3", 151, {175, 215, 175}},
{"darkseagreen4", 65, {95, 135, 95}},
{"darkslateblue", 60, {95, 95, 135}},
{"darkslategray", 23, {0, 95, 95}},
{"darkslategray2", 123, {135, 255, 255}},
{"darkslategray3", 116, {135, 215, 215}},
{"darkslategray4", 66, {95, 135, 135}},
{"darkslategrey", 23, {0, 95, 95}},
{"darkturquoise", 44, {0, 215, 215}},
{"darkviolet", 92, {135, 0, 215}},
{"debianred", 161, {215, 0, 95}},
{"deeppink", 198, {255, 0, 135}},
{"deeppink2", 162, {215, 0, 135}},
{"deeppink3", 89, {135, 0, 95}},
{"deepskyblue", 39, {0, 175, 255}},
{"deepskyblue2", 32, {0, 135, 215}},
{"deepskyblue3", 24, {0, 95, 135}},
{"dimgrey", 59, {95, 95, 95}},
{"dodgerblue", 33, {0, 135, 255}},
{"dodgerblue2", 32, {0, 135, 215}},
{"dodgerblue3", 24, {0, 95, 135}},
{"firebrick", 124, {175, 0, 0}},
{"firebrick2", 203, {255, 95, 95}},
{"firebrick3", 160, {215, 0, 0}},
{"firebrick4", 88, {135, 0, 0}},
{"floralwhite", 231, {255, 255, 255}},
{"forestgreen", 28, {0, 135, 0}},
{"gainsboro", 188, {215, 215, 215}},
{"ghostwhite", 231, {255, 255, 255}},
{"gold", 220, {255, 215, 0}},
{"gold2", 178, {215, 175, 0}},
{"gold3", 100, {135, 135, 0}},
{"goldenrod", 178, {215, 175, 0}},
{"goldenrod2", 214, {255, 175, 0}},
{"goldenrod3", 178, {215, 175, 0}},
{"goldenrod4", 94, {135, 95, 0}},
{"gray", 145, {175, 175, 175}},
{"gray100", 231, {255, 255, 255}},
{"gray37", 59, {95, 95, 95}},
{"gray50", 102, {135, 135, 135}},
{"gray59", 102, {135, 135, 135}},
{"green", 2, {0, 255, 0}},
{"green2", 40, {0, 215, 0}},
{"green3", 28, {0, 135, 0}},
{"greenyellow", 154, {175, 255, 0}},
{"grey", 145, {175, 175, 175}},
{"grey100", 231, {255, 255, 255}},
{"grey37", 59, {95, 95, 95}},
{"grey50", 102, {135, 135, 135}},
{"grey59", 102, {135, 135, 135}},
{"honeydew2", 194, {215, 255, 215}},
{"honeydew3", 151, {175, 215, 175}},
{"honeydew4", 102, {135, 135, 135}},
{"hotpink", 205, {255, 95, 175}},
{"hotpink2", 168, {215, 95, 135}},
{"hotpink3", 95, {135, 95, 95}},
{"indianred", 167, {215, 95, 95}},
{"indianred2", 203, {255, 95, 95}},
{"indianred3", 167, {215, 95, 95}},
{"indianred4", 95, {135, 95, 95}},
{"ivory", 231, {255, 255, 255}},
{"ivory2", 230, {255, 255, 215}},
{"ivory3", 187, {215, 215, 175}},
{"ivory4", 102, {135, 135, 135}},
{"khaki", 222, {255, 215, 135}},
{"khaki2", 228, {255, 255, 135}},
{"khaki3", 186, {215, 215, 135}},
{"khaki4", 101, {135, 135, 95}},
{"lavender", 189, {215, 215, 255}},
{"lavenderblush", 231, {255, 255, 255}},
{"lavenderblush2", 224, {255, 215, 215}},
{"lavenderblush3", 182, {215, 175, 215}},
{"lavenderblush4", 102, {135, 135, 135}},
{"lawngreen", 118, {135, 255, 0}},
{"lemonchiffon", 230, {255, 255, 215}},
{"lemonchiffon2", 223, {255, 215, 175}},
{"lemonchiffon3", 187, {215, 215, 175}},
{"lemonchiffon4", 101, {135, 135, 95}},
{"lightblack", 243, {128, 128, 128}},
{"lightblue", 12, {175, 215, 215}},
{"lightblue2", 159, {175, 255, 255}},
{"lightblue3", 153, {175, 215, 255}},
{"lightblue4", 110, {135, 175, 215}},
{"lightblue5", 66, {95, 135, 135}},
{"lightcoral", 210, {255, 135, 135}},
{"lightcyan", 14, {215, 255, 255}},
{"lightcyan3", 152, {175, 215, 215}},
{"lightcyan4", 102, {135, 135, 135}},
{"lightgoldenrod", 222, {255, 215, 135}},
{"lightgoldenrod2", 228, {255, 255, 135}},
{"lightgoldenrod3", 179, {215, 175, 95}},
{"lightgoldenrod4", 101, {135, 135, 95}},
{"lightgoldenrodyellow", 230, {255, 255, 215}},
{"lightgray", 188, {215, 215, 215}},
{"lightgreen", 10, {135, 255, 135}},
{"lightgrey", 188, {215, 215, 215}},
{"lightmagenta", 13, {255, 85, 255}},
{"lightpink", 217, {255, 175, 175}},
{"lightpink2", 174, {215, 135, 135}},
{"lightpink3", 95, {135, 95, 95}},
{"lightred", 9, {255, 85, 85}},
{"lightsalmon", 216, {255, 175, 135}},
{"lightsalmon2", 209, {255, 135, 95}},
{"lightsalmon3", 173, {215, 135, 95}},
{"lightsalmon4", 95, {135, 95, 95}},
{"lightseagreen", 37, {0, 175, 175}},
{"lightskyblue", 117, {135, 215, 255}},
{"lightskyblue2", 153, {175, 215, 255}},
{"lightskyblue3", 110, {135, 175, 215}},
{"lightskyblue4", 66, {95, 135, 135}},
{"lightslateblue", 99, {135, 95, 255}},
{"lightslategray", 102, {135, 135, 135}},
{"lightsteelblue", 152, {175, 215, 215}},
{"lightsteelblue2", 189, {215, 215, 255}},
{"lightsteelblue3", 153, {175, 215, 255}},
{"lightsteelblue4", 146, {175, 175, 215}},
{"lightsteelblue5", 66, {95, 135, 135}},
{"lightyellow", 11, {255, 255, 215}},
{"lightyellow2", 230, {255, 255, 215}},
{"lightyellow3", 187, {215, 215, 175}},
{"lightyellow4", 102, {135, 135, 135}},
{"lightwhite", 15, {255, 255, 255}},
{"limegreen", 77, {95, 215, 95}},
{"linen", 230, {255, 255, 215}},
{"magenta", 5, {255, 0, 255}},
{"magenta2", 164, {215, 0, 215}},
{"magenta3", 90, {135, 0, 135}},
{"maroon", 131, {175, 95, 95}},
{"maroon2", 205, {255, 95, 175}},
{"maroon3", 162, {215, 0, 135}},
{"maroon4", 89, {135, 0, 95}},
{"mediumaquamarine", 79, {95, 215, 175}},
{"mediumblue", 20, {0, 0, 215}},
{"mediumorchid", 134, {175, 95, 215}},
{"mediumorchid2", 171, {215, 95, 255}},
{"mediumorchid3", 134, {175, 95, 215}},
{"mediumorchid4", 96, {135, 95, 135}},
{"mediumpurple", 98, {135, 95, 215}},
{"mediumpurple3", 141, {175, 135, 255}},
{"mediumpurple4", 98, {135, 95, 215}},
{"mediumpurple5", 60, {95, 95, 135}},
{"mediumseagreen", 71, {95, 175, 95}},
{"mediumslateblue", 99, {135, 95, 255}},
{"mediumspringgreen", 48, {0, 255, 135}},
{"mediumturquoise", 80, {95, 215, 215}},
{"mediumvioletred", 162, {215, 0, 135}},
{"midnightblue", 17, {0, 0, 95}},
{"mintcream", 231, {255, 255, 255}},
{"mistyrose", 224, {255, 215, 215}},
{"mistyrose2", 181, {215, 175, 175}},
{"mistyrose3", 102, {135, 135, 135}},
{"moccasin", 223, {255, 215, 175}},
{"navajowhite", 223, {255, 215, 175}},
{"navajowhite2", 180, {215, 175, 135}},
{"navajowhite3", 101, {135, 135, 95}},
{"navy", 18, {0, 0, 135}},
{"navyblue", 18, {0, 0, 135}},
{"oldlace", 230, {255, 255, 215}},
{"olivedrab", 64, {95, 135, 0}},
{"olivedrab2", 155, {175, 255, 95}},
{"olivedrab3", 113, {135, 215, 95}},
{"olivedrab4", 64, {95, 135, 0}},
{"orange", 214, {255, 175, 0}},
{"orange2", 214, {255, 175, 0}},
{"orange3", 208, {255, 135, 0}},
{"orange4", 172, {215, 135, 0}},
{"orange5", 94, {135, 95, 0}},
{"orangered", 202, {255, 95, 0}},
{"orangered2", 166, {215, 95, 0}},
{"orangered3", 88, {135, 0, 0}},
{"orchid", 170, {215, 95, 215}},
{"orchid2", 213, {255, 135, 255}},
{"orchid3", 212, {255, 135, 215}},
{"orchid4", 170, {215, 95, 215}},
{"orchid5", 96, {135, 95, 135}},
{"palegoldenrod", 223, {255, 215, 175}},
{"palegreen", 120, {135, 255, 135}},
{"palegreen2", 114, {135, 215, 135}},
{"palegreen3", 65, {95, 135, 95}},
{"paleturquoise", 159, {175, 255, 255}},
{"paleturquoise2", 116, {135, 215, 215}},
{"paleturquoise3", 66, {95, 135, 135}},
{"palevioletred", 168, {215, 95, 135}},
{"palevioletred2", 211, {255, 135, 175}},
{"palevioletred3", 168, {215, 95, 135}},
{"palevioletred4", 95, {135, 95, 95}},
{"papayawhip", 230, {255, 255, 215}},
{"peachpuff", 223, {255, 215, 175}},
{"peachpuff2", 223, {255, 215, 175}},
{"peachpuff3", 180, {215, 175, 135}},
{"peachpuff4", 101, {135, 135, 95}},
{"peru", 173, {215, 135, 95}},
{"pink", 218, {255, 175, 215}},
{"pink2", 217, {255, 175, 175}},
{"pink3", 175, {215, 135, 175}},
{"pink4", 95, {135, 95, 95}},
{"plum", 182, {215, 175, 215}},
{"plum2", 219, {255, 175, 255}},
{"plum3", 176, {215, 135, 215}},
{"plum4", 96, {135, 95, 135}},
{"powderblue", 152, {175, 215, 215}},
{"purple", 129, {175, 0, 255}},
{"purple2", 135, {175, 95, 255}},
{"purple3", 93, {135, 0, 255}},
{"purple4", 92, {135, 0, 215}},
{"purple5", 54, {95, 0, 135}},
{"red", 1, {255, 0, 0}},
{"red2", 160, {215, 0, 0}},
{"red3", 88, {135, 0, 0}},
{"rosybrown", 138, {175, 135, 135}},
{"rosybrown2", 217, {255, 175, 175}},
{"rosybrown3", 181, {215, 175, 175}},
{"rosybrown4", 95, {135, 95, 95}},
{"royalblue", 62, {95, 95, 215}},
{"royalblue2", 69, {95, 135, 255}},
{"royalblue3", 63, {95, 95, 255}},
{"royalblue4", 62, {95, 95, 215}},
{"royalblue5", 24, {0, 95, 135}},
{"saddlebrown", 94, {135, 95, 0}},
{"salmon", 209, {255, 135, 95}},
{"salmon2", 209, {255, 135, 95}},
{"salmon3", 167, {215, 95, 95}},
{"salmon4", 95, {135, 95, 95}},
{"sandybrown", 215, {255, 175, 95}},
{"seagreen", 29, {0, 135, 95}},
{"seagreen2", 85, {95, 255, 175}},
{"seagreen3", 84, {95, 255, 135}},
{"seagreen4", 78, {95, 215, 135}},
{"seagreen5", 29, {0, 135, 95}},
{"seashell", 231, {255, 255, 255}},
{"seashell2", 224, {255, 215, 215}},
{"seashell3", 187, {215, 215, 175}},
{"seashell4", 102, {135, 135, 135}},
{"sienna", 130, {175, 95, 0}},
{"sienna2", 209, {255, 135, 95}},
{"sienna3", 167, {215, 95, 95}},
{"sienna4", 94, {135, 95, 0}},
{"skyblue", 117, {135, 215, 255}},
{"skyblue2", 111, {135, 175, 255}},
{"skyblue3", 74, {95, 175, 215}},
{"skyblue4", 60, {95, 95, 135}},
{"slateblue", 62, {95, 95, 215}},
{"slateblue2", 99, {135, 95, 255}},
{"slateblue3", 62, {95, 95, 215}},
{"slateblue4", 60, {95, 95, 135}},
{"slategray", 66, {95, 135, 135}},
{"slategray2", 189, {215, 215, 255}},
{"slategray3", 153, {175, 215, 255}},
{"slategray4", 146, {175, 175, 215}},
{"slategray5", 66, {95, 135, 135}},
{"slategrey", 66, {95, 135, 135}},
{"snow", 231, {255, 255, 255}},
{"snow2", 224, {255, 215, 215}},
{"snow3", 188, {215, 215, 215}},
{"snow4", 102, {135, 135, 135}},
{"springgreen", 48, {0, 255, 135}},
{"springgreen2", 48, {0, 255, 135}},
{"springgreen3", 41, {0, 215, 95}},
{"springgreen4", 29, {0, 135, 95}},
{"steelblue", 67, {95, 135, 175}},
{"steelblue2", 75, {95, 175, 255}},
{"steelblue3", 68, {95, 135, 215}},
{"steelblue4", 60, {95, 95, 135}},
{"tan", 180, {215, 175, 135}},
{"tan2", 215, {255, 175, 95}},
{"tan3", 209, {255, 135, 95}},
{"tan4", 173, {215, 135, 95}},
{"tan5", 94, {135, 95, 0}},
{"thistle", 182, {215, 175, 215}},
{"thistle2", 225, {255, 215, 255}},
{"thistle3", 225, {255, 215, 255}},
{"thistle4", 182, {215, 175, 215}},
{"thistle5", 102, {135, 135, 135}},
{"tomato", 203, {255, 95, 95}},
{"tomato2", 167, {215, 95, 95}},
{"tomato3", 94, {135, 95, 0}},
{"turquoise", 80, {95, 215, 215}},
{"turquoise2", 51, {0, 255, 255}},
{"turquoise3", 45, {0, 215, 255}},
{"turquoise4", 44, {0, 215, 215}},
{"turquoise5", 30, {0, 135, 135}},
{"violet", 213, {255, 135, 255}},
{"violetred", 162, {215, 0, 135}},
{"violetred2", 204, {255, 95, 135}},
{"violetred3", 168, {215, 95, 135}},
{"violetred4", 89, {135, 0, 95}},
{"wheat", 223, {255, 215, 175}},
{"wheat2", 223, {255, 215, 175}},
{"wheat3", 180, {215, 175, 135}},
{"wheat4", 101, {135, 135, 95}},
{"white", 7, {255, 255, 255}},
{"whitesmoke", 231, {224, 255, 255}},
{"yellow", 3, {255, 255, 0}},
{"yellow2", 184, {215, 215, 0}},
{"yellow3", 100, {135, 135, 0}},
{"yellowgreen", 113, {135, 215, 95}}
};
//! Length of colr_name_data.
const size_t colr_name_data_len = sizeof(colr_name_data) / sizeof(colr_name_data[0]);
/*! Allocate and format a string like `asprintf`, but wrap it in an allocated
ColorResult.
\details
This is declared with `__attribute__((__format__(__printf__, 1, 2)))` so
the compiler can check for bad format strings.
\pi fmt Format string for `asprintf`.
\pi ... Other arguments for `asprintf`.
\return \parblock
An allocated ColorResult, or `NULL` if \p fmt is `NULL`.
\maybenullalloc
\colrmightfree
\endparblock
\examplecodefor{Colr_fmt_str,.c}
int i = 2600;
double d = 1.337;
colr_puts(Colr_fmt_str("<%d> <%0.3f>", i, d));
\endexamplecode
*/
ColorResult* Colr_fmt_str(const char* fmt, ...) {
if (!fmt) return NULL;
va_list args;
va_start(args, fmt);
va_list argcopy;
va_copy(argcopy, args);
char* s = NULL;
if (vasprintf(&s, fmt, argcopy) < 0) {
// Allocation failed. Clean up the va_arg stuff and return.
// LCOV_EXCL_START
va_end(argcopy);
va_end(args);
return NULL;
// LCOV_EXCL_STOP
}
va_end(argcopy);
va_end(args);
return ColorResult_to_ptr(ColorResult_new(s));
}
/*! Allocates space for a regmatch_t, initializes it, and returns a pointer
to it.
\pi match A `regmatch_t` to allocate for and copy.
\return An allocated copy of the `regmatch_t`.
*/
regmatch_t* colr_alloc_regmatch(regmatch_t match) {
regmatch_t* matchcopy = calloc(sizeof(regmatch_t), 1);
*matchcopy = match;
return matchcopy;
}
/*! Appends CODE_RESET_ALL to a \string, but makes sure to do it before any
newlines.
\pi s \parblock
The string to append to.
<em>Must have extra room for CODE_RESET_ALL</em>.
\mustnull
\endparblock
*/
void colr_append_reset(char* s) {
if (!s) return;
if (s[0] == '\0') {
// Special case, an empty string, with room for CODE_RESET_ALL.
snprintf(s, CODE_RESET_LEN, "%s", CODE_RESET_ALL);
return;
}
if (colr_str_ends_with(s, CODE_RESET_ALL)) {
// Already has one.
return;
}
size_t length = strlen(s);
size_t lastindex = length - 1;
size_t newlines = 0;
// Cut newlines off if needed. I'll add them after the reset code.
while ((lastindex > 0) && (s[lastindex] == '\n')) {
s[lastindex] = '\0';
newlines++;
lastindex--;
}
if ((lastindex == 0) && s[lastindex] == '\n') {
// String starts with a newline.
s[lastindex] = '\0';
newlines++;
} else {
lastindex++;
}
char* p = s + lastindex;
snprintf(p, CODE_RESET_LEN, "%s", CODE_RESET_ALL);
p += CODE_RESET_LEN - 1;
while (newlines--) {
*(p++) = '\n';
}
*p = '\0';
}
/*! Returns the char needed to represent an escape sequence in C.
\details
The following characters are supported:
Escape Sequence | Description Representation
---------------: | :--------------------------
@\ ' | single quote
@\ @" | double quote
@\ ? | question mark
@\ @\ | backslash
@\ a | audible bell
@\ b | backspace
@\ f | form feed - new page
@\ n | line feed - new line
@\ r | carriage return
@\ t | horizontal tab
@\ v | vertical tab
\pi c The character to check.
\return The letter, without a backslash, needed to create an escape sequence.
If the char doesn't need an escape sequence, it is simply returned.
\examplecodefor{colr_char_escape_char,.c}
char constantchar = colr_char_escape_char('\n');
assert(constantchar == 'n');
char constantquote = colr_char_escape_char('"');
assert(constantquote == '"');
// The actual escape sequence would need the backslash added to it:
char* escaped;
asprintf(&escaped, "\\%c", colr_char_escape_char('\t'));
free(escaped);
\endexamplecode
*/
char colr_char_escape_char(const char c) {
switch (c) {
// 0 is a special case for colr_char_repr().
case '\0': return '0';
case '\'': return '\'';
case '\"': return '"';
case '\?': return '?';
case '\\': return '\\';
case '\a': return 'a';
case '\b': return 'b';
case '\f': return 'f';
case '\n': return 'n';
case '\r': return 'r';
case '\t': return 't';
case '\v': return 'v';
default:
return c;
}
}
/*! Determines if a character exists in the given \string.
\pi c Character to search for.
\pi s \parblock
String to check.
\mustnullin
\endparblock
\return `true` if \p c is found in \p s, otherwise `false`.
*/
bool colr_char_in_str(const char* s, const char c) {
for (size_t i = 0; s[i]; i++) {
if (s[i] == c) return true;
}
return false;
}
/*! Determines if a character is suitable for an escape code ending.
\details
`m` is used as the last character in color codes, but other characters
can be used for escape sequences (such as "\x1b[2A", cursor up). Actual
escape code endings can be in the range (`char`) 64-126 (inclusive).
\details
Since ColrC only deals with color codes and maybe some cursor/erase codes,
this function tests if the character is either `A-Z` or `a-z`.
\details
For more information, see: https://en.wikipedia.org/wiki/ANSI_escape_code
\pi c Character to test.
\return `true` if the character is a possible escape code ending, otherwise `false`.
*/
bool colr_char_is_code_end(const char c) {
/* The actual end chars can be: 64-126 (inclusive) ( ASCII: @A–Z[\]^_`a–z{ )
I'm just testing for alpha chars. A: 65, Z: 90, a: 97, z: 122
This is not a macro because it may be expanded in the future to detect
the full range of "end" chars.
*/
// Lowercase `m` is the most common case for ColrC.
return ((c > 64) && (c < 91)) || ((c > 96) && (c < 123));
}
/*! Creates a \string representation for a char.
\pi c Value to create the representation for.
\return \parblock
An allocated string.
\mustfree
\maybenullalloc
\endparblock
*/
char* colr_char_repr(char c) {
char* repr;
switch (c) {
case '\0':
asprintf_or_return(NULL, &repr, "'\\0'");