xref: /freebsd/tools/tools/locale/tools/getwidths.c (revision 160c36eae41afa3c4944ed44778c2b48db8fbb77)
1 /*-
2  * Copyright 2020 Yuri Pankov <yuripv@FreeBSD.org>
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  */
25 
26 #include <locale.h>
27 #include <stdio.h>
28 
29 #include <utf8proc.h>
30 
31 static int
width_of(int32_t wc)32 width_of(int32_t wc)
33 {
34 
35 	/*
36 	 * Hangul Jamo medial vowels and final consonants are more of
37 	 * a combining character, and should be considered zero-width.
38 	 */
39 	if (wc >= 0x1160 && wc <= 0x11ff)
40 		return (0);
41 
42 	/* No override by default, trust utf8proc's width. */
43 	return (utf8proc_charwidth(wc));
44 }
45 
46 int
main(void)47 main(void)
48 {
49 	int32_t wc;
50 	int i, wcw;
51 	utf8proc_category_t wcc;
52 
53 	setlocale(LC_CTYPE, "C.UTF-8");
54 
55 	printf("%s\n", utf8proc_version());
56 
57 	for (wc = 0; wc < 0x110000; wc++) {
58 		wcc = utf8proc_category(wc);
59 		if (wcc == UTF8PROC_CATEGORY_CC)
60 			continue;
61 		wcw = width_of(wc);
62 		if (wcw == 1)
63 			continue;
64 
65 		printf("%04X %d\n", wc, wcw);
66 	}
67 
68 	return (0);
69 }
70