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	character.c - libgrapheme - unicode string library
	git clone git://git.suckless.org/libgrapheme
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	---
	character.c (4417B)
	---
	1 /* See LICENSE file for copyright and license details. */
	2 #include <stddef.h>
	3 #include <stdio.h>
	4 #include <stdlib.h>
	5 #include <string.h>
	6
	7 #include "util.h"
	8
	9 #define FILE_DCP "data/DerivedCoreProperties.txt"
	10 #define FILE_EMOJI "data/emoji-data.txt"
	11 #define FILE_GRAPHEME "data/GraphemeBreakProperty.txt"
	12
	13 static const struct property_spec char_break_property[] = {
	14 {
	15 .enumname = "OTHER",
	16 .file = NULL,
	17 .ucdname = NULL,
	18 },
	19 {
	20 .enumname = "BOTH_EXTEND_ICB_EXTEND",
	21 .file = NULL,
	22 .ucdname = NULL,
	23 },
	24 {
	25 .enumname = "BOTH_EXTEND_ICB_LINKER",
	26 .file = NULL,
	27 .ucdname = NULL,
	28 },
	29 {
	30 .enumname = "BOTH_ZWJ_ICB_EXTEND",
	31 .file = NULL,
	32 .ucdname = NULL,
	33 },
	34 {
	35 .enumname = "CONTROL",
	36 .file = FILE_GRAPHEME,
	37 .ucdname = "Control",
	38 },
	39 {
	40 .enumname = "CR",
	41 .file = FILE_GRAPHEME,
	42 .ucdname = "CR",
	43 },
	44 {
	45 .enumname = "EXTEND",
	46 .file = FILE_GRAPHEME,
	47 .ucdname = "Extend",
	48 },
	49 {
	50 .enumname = "EXTENDED_PICTOGRAPHIC",
	51 .file = FILE_EMOJI,
	52 .ucdname = "Extended_Pictographic",
	53 },
	54 {
	55 .enumname = "HANGUL_L",
	56 .file = FILE_GRAPHEME,
	57 .ucdname = "L",
	58 },
	59 {
	60 .enumname = "HANGUL_V",
	61 .file = FILE_GRAPHEME,
	62 .ucdname = "V",
	63 },
	64 {
	65 .enumname = "HANGUL_T",
	66 .file = FILE_GRAPHEME,
	67 .ucdname = "T",
	68 },
	69 {
	70 .enumname = "HANGUL_LV",
	71 .file = FILE_GRAPHEME,
	72 .ucdname = "LV",
	73 },
	74 {
	75 .enumname = "HANGUL_LVT",
	76 .file = FILE_GRAPHEME,
	77 .ucdname = "LVT",
	78 },
	79 {
	80 .enumname = "ICB_CONSONANT",
	81 .file = FILE_DCP,
	82 .ucdname = "InCB",
	83 .ucdsubname = "Consonant",
	84 },
	85 {
	86 .enumname = "ICB_EXTEND",
	87 .file = FILE_DCP,
	88 .ucdname = "InCB",
	89 .ucdsubname = "Extend",
	90 },
	91 {
	92 .enumname = "ICB_LINKER",
	93 .file = FILE_DCP,
	94 .ucdname = "InCB",
	95 .ucdsubname = "Linker",
	96 },
	97 {
	98 .enumname = "LF",
	99 .file = FILE_GRAPHEME,
	100 .ucdname = "LF",
	101 },
	102 {
	103 .enumname = "PREPEND",
	104 .file = FILE_GRAPHEME,
	105 .ucdname = "Prepend",
	106 },
	107 {
	108 .enumname = "REGIONAL_INDICATOR",
	109 .file = FILE_GRAPHEME,
	110 .ucdname = "Regional_Indicator",
	111 },
	112 {
	113 .enumname = "SPACINGMARK",
	114 .file = FILE_GRAPHEME,
	115 .ucdname = "SpacingMark",
	116 },
	117 {
	118 .enumname = "ZWJ",
	119 .file = FILE_GRAPHEME,
	120 .ucdname = "ZWJ",
	121 },
	122 };
	123
	124 static uint_least8_t
	125 handle_conflict(uint_least32_t cp, uint_least8_t prop1, uint_least8_t pr…
	126 {
	127 uint_least8_t result;
	128
	129 (void)cp;
	130
	131 if ((!strcmp(char_break_property[prop1].enumname, "EXTEND") &&
	132 !strcmp(char_break_property[prop2].enumname, "ICB_EXTEND"))…
	133 (!strcmp(char_break_property[prop1].enumname, "ICB_EXTEND") …
	134 !strcmp(char_break_property[prop2].enumname, "EXTEND"))) {
	135 for (result = 0; result < LEN(char_break_property); resu…
	136 if (!strcmp(char_break_property[result].enumname,
	137 "BOTH_EXTEND_ICB_EXTEND")) {
	138 break;
	139 }
	140 }
	141 if (result == LEN(char_break_property)) {
	142 fprintf(stderr, "handle_conflict: Internal error…
	143 exit(1);
	144 }
	145 } else if ((!strcmp(char_break_property[prop1].enumname, "EXTEND…
	146 !strcmp(char_break_property[prop2].enumname,
	147 "ICB_LINKER")) \|\|
	148 (!strcmp(char_break_property[prop1].enumname,
	149 "ICB_LINKER") &&
	150 !strcmp(char_break_property[prop2].enumname, "EXTEND…
	151 for (result = 0; result < LEN(char_break_property); resu…
	152 if (!strcmp(char_break_property[result].enumname,
	153 "BOTH_EXTEND_ICB_LINKER")) {
	154 break;
	155 }
	156 }
	157 if (result == LEN(char_break_property)) {
	158 fprintf(stderr, "handle_conflict: Internal error…
	159 exit(1);
	160 }
	161 } else if ((!strcmp(char_break_property[prop1].enumname, "ZWJ") …
	162 !strcmp(char_break_property[prop2].enumname,
	163 "ICB_EXTEND")) \|\|
	164 (!strcmp(char_break_property[prop1].enumname,
	165 "ICB_EXTEND") &&
	166 !strcmp(char_break_property[prop2].enumname, "ZWJ"))…
	167 for (result = 0; result < LEN(char_break_property); resu…
	168 if (!strcmp(char_break_property[result].enumname,
	169 "BOTH_ZWJ_ICB_EXTEND")) {
	170 break;
	171 }
	172 }
	173 if (result == LEN(char_break_property)) {
	174 fprintf(stderr, "handle_conflict: Internal error…
	175 exit(1);
	176 }
	177 } else {
	178 fprintf(stderr, "handle_conflict: Cannot handle conflict…
	179 exit(1);
	180 }
	181
	182 return result;
	183 }
	184
	185 int
	186 main(int argc, char *argv[])
	187 {
	188 (void)argc;
	189
	190 properties_generate_break_property(
	191 char_break_property, LEN(char_break_property), NULL,
	192 handle_conflict, NULL, "char_break", argv[0]);
	193
	194 return 0;
	195 }