Line data Source code
1 : /*
2 : * SPDX-License-Identifier: MPL-2.0
3 : *
4 : * This Source Code Form is subject to the terms of the Mozilla Public
5 : * License, v. 2.0. If a copy of the MPL was not distributed with this
6 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
7 : *
8 : * Copyright 2024 MonetDB Foundation;
9 : * Copyright August 2008 - 2023 MonetDB B.V.;
10 : * Copyright 1997 - July 2008 CWI.
11 : */
12 :
13 : #include "monetdb_config.h"
14 : #include "mutf8.h"
15 :
16 : struct interval {
17 : uint32_t first;
18 : uint32_t last;
19 : int width;
20 : };
21 :
22 : /* this table was created using the script uniwidthtab.sh */
23 : static const struct interval intervals[] = {
24 : /* sorted list of non-overlapping ranges:
25 : * ranges with width==0 represent all codepoints with
26 : * general_category Me, Mn or Cf except U+00AD (SOFT HYPHEN), all
27 : * codepoints \U+1160 through U+11FF (Hangul Jamo medial vowels and
28 : * final consonants) -- see
29 : * https://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c from which this is
30 : * derived;
31 : * ranges with width==2 represent all codepoints in the East Asian
32 : * Wide (W) or East Asian Full-width (F) category as defined in the
33 : * EastAsianWidth.txt file */
34 : { 0x0300, 0x036F, 0 }, { 0x0483, 0x0489, 0 }, { 0x0591, 0x05BD, 0 },
35 : { 0x05BF, 0x05BF, 0 }, { 0x05C1, 0x05C2, 0 }, { 0x05C4, 0x05C5, 0 },
36 : { 0x05C7, 0x05C7, 0 }, { 0x0600, 0x0605, 0 }, { 0x0610, 0x061A, 0 },
37 : { 0x061C, 0x061C, 0 }, { 0x064B, 0x065F, 0 }, { 0x0670, 0x0670, 0 },
38 : { 0x06D6, 0x06DD, 0 }, { 0x06DF, 0x06E4, 0 }, { 0x06E7, 0x06E8, 0 },
39 : { 0x06EA, 0x06ED, 0 }, { 0x070F, 0x070F, 0 }, { 0x0711, 0x0711, 0 },
40 : { 0x0730, 0x074A, 0 }, { 0x07A6, 0x07B0, 0 }, { 0x07EB, 0x07F3, 0 },
41 : { 0x07FD, 0x07FD, 0 }, { 0x0816, 0x0819, 0 }, { 0x081B, 0x0823, 0 },
42 : { 0x0825, 0x0827, 0 }, { 0x0829, 0x082D, 0 }, { 0x0859, 0x085B, 0 },
43 : { 0x0890, 0x0891, 0 }, { 0x0898, 0x089F, 0 }, { 0x08CA, 0x0902, 0 },
44 : { 0x093A, 0x093A, 0 }, { 0x093C, 0x093C, 0 }, { 0x0941, 0x0948, 0 },
45 : { 0x094D, 0x094D, 0 }, { 0x0951, 0x0957, 0 }, { 0x0962, 0x0963, 0 },
46 : { 0x0981, 0x0981, 0 }, { 0x09BC, 0x09BC, 0 }, { 0x09C1, 0x09C4, 0 },
47 : { 0x09CD, 0x09CD, 0 }, { 0x09E2, 0x09E3, 0 }, { 0x09FE, 0x09FE, 0 },
48 : { 0x0A01, 0x0A02, 0 }, { 0x0A3C, 0x0A3C, 0 }, { 0x0A41, 0x0A42, 0 },
49 : { 0x0A47, 0x0A48, 0 }, { 0x0A4B, 0x0A4D, 0 }, { 0x0A51, 0x0A51, 0 },
50 : { 0x0A70, 0x0A71, 0 }, { 0x0A75, 0x0A75, 0 }, { 0x0A81, 0x0A82, 0 },
51 : { 0x0ABC, 0x0ABC, 0 }, { 0x0AC1, 0x0AC5, 0 }, { 0x0AC7, 0x0AC8, 0 },
52 : { 0x0ACD, 0x0ACD, 0 }, { 0x0AE2, 0x0AE3, 0 }, { 0x0AFA, 0x0AFF, 0 },
53 : { 0x0B01, 0x0B01, 0 }, { 0x0B3C, 0x0B3C, 0 }, { 0x0B3F, 0x0B3F, 0 },
54 : { 0x0B41, 0x0B44, 0 }, { 0x0B4D, 0x0B4D, 0 }, { 0x0B55, 0x0B56, 0 },
55 : { 0x0B62, 0x0B63, 0 }, { 0x0B82, 0x0B82, 0 }, { 0x0BC0, 0x0BC0, 0 },
56 : { 0x0BCD, 0x0BCD, 0 }, { 0x0C00, 0x0C00, 0 }, { 0x0C04, 0x0C04, 0 },
57 : { 0x0C3C, 0x0C3C, 0 }, { 0x0C3E, 0x0C40, 0 }, { 0x0C46, 0x0C48, 0 },
58 : { 0x0C4A, 0x0C4D, 0 }, { 0x0C55, 0x0C56, 0 }, { 0x0C62, 0x0C63, 0 },
59 : { 0x0C81, 0x0C81, 0 }, { 0x0CBC, 0x0CBC, 0 }, { 0x0CBF, 0x0CBF, 0 },
60 : { 0x0CC6, 0x0CC6, 0 }, { 0x0CCC, 0x0CCD, 0 }, { 0x0CE2, 0x0CE3, 0 },
61 : { 0x0D00, 0x0D01, 0 }, { 0x0D3B, 0x0D3C, 0 }, { 0x0D41, 0x0D44, 0 },
62 : { 0x0D4D, 0x0D4D, 0 }, { 0x0D62, 0x0D63, 0 }, { 0x0D81, 0x0D81, 0 },
63 : { 0x0DCA, 0x0DCA, 0 }, { 0x0DD2, 0x0DD4, 0 }, { 0x0DD6, 0x0DD6, 0 },
64 : { 0x0E31, 0x0E31, 0 }, { 0x0E34, 0x0E3A, 0 }, { 0x0E47, 0x0E4E, 0 },
65 : { 0x0EB1, 0x0EB1, 0 }, { 0x0EB4, 0x0EBC, 0 }, { 0x0EC8, 0x0ECE, 0 },
66 : { 0x0F18, 0x0F19, 0 }, { 0x0F35, 0x0F35, 0 }, { 0x0F37, 0x0F37, 0 },
67 : { 0x0F39, 0x0F39, 0 }, { 0x0F71, 0x0F7E, 0 }, { 0x0F80, 0x0F84, 0 },
68 : { 0x0F86, 0x0F87, 0 }, { 0x0F8D, 0x0F97, 0 }, { 0x0F99, 0x0FBC, 0 },
69 : { 0x0FC6, 0x0FC6, 0 }, { 0x102D, 0x1030, 0 }, { 0x1032, 0x1037, 0 },
70 : { 0x1039, 0x103A, 0 }, { 0x103D, 0x103E, 0 }, { 0x1058, 0x1059, 0 },
71 : { 0x105E, 0x1060, 0 }, { 0x1071, 0x1074, 0 }, { 0x1082, 0x1082, 0 },
72 : { 0x1085, 0x1086, 0 }, { 0x108D, 0x108D, 0 }, { 0x109D, 0x109D, 0 },
73 : { 0x1100, 0x115F, 2 }, { 0x1160, 0x11FF, 0 }, { 0x135D, 0x135F, 0 },
74 : { 0x1712, 0x1714, 0 }, { 0x1732, 0x1733, 0 }, { 0x1752, 0x1753, 0 },
75 : { 0x1772, 0x1773, 0 }, { 0x17B4, 0x17B5, 0 }, { 0x17B7, 0x17BD, 0 },
76 : { 0x17C6, 0x17C6, 0 }, { 0x17C9, 0x17D3, 0 }, { 0x17DD, 0x17DD, 0 },
77 : { 0x180B, 0x180F, 0 }, { 0x1885, 0x1886, 0 }, { 0x18A9, 0x18A9, 0 },
78 : { 0x1920, 0x1922, 0 }, { 0x1927, 0x1928, 0 }, { 0x1932, 0x1932, 0 },
79 : { 0x1939, 0x193B, 0 }, { 0x1A17, 0x1A18, 0 }, { 0x1A1B, 0x1A1B, 0 },
80 : { 0x1A56, 0x1A56, 0 }, { 0x1A58, 0x1A5E, 0 }, { 0x1A60, 0x1A60, 0 },
81 : { 0x1A62, 0x1A62, 0 }, { 0x1A65, 0x1A6C, 0 }, { 0x1A73, 0x1A7C, 0 },
82 : { 0x1A7F, 0x1A7F, 0 }, { 0x1AB0, 0x1ACE, 0 }, { 0x1B00, 0x1B03, 0 },
83 : { 0x1B34, 0x1B34, 0 }, { 0x1B36, 0x1B3A, 0 }, { 0x1B3C, 0x1B3C, 0 },
84 : { 0x1B42, 0x1B42, 0 }, { 0x1B6B, 0x1B73, 0 }, { 0x1B80, 0x1B81, 0 },
85 : { 0x1BA2, 0x1BA5, 0 }, { 0x1BA8, 0x1BA9, 0 }, { 0x1BAB, 0x1BAD, 0 },
86 : { 0x1BE6, 0x1BE6, 0 }, { 0x1BE8, 0x1BE9, 0 }, { 0x1BED, 0x1BED, 0 },
87 : { 0x1BEF, 0x1BF1, 0 }, { 0x1C2C, 0x1C33, 0 }, { 0x1C36, 0x1C37, 0 },
88 : { 0x1CD0, 0x1CD2, 0 }, { 0x1CD4, 0x1CE0, 0 }, { 0x1CE2, 0x1CE8, 0 },
89 : { 0x1CED, 0x1CED, 0 }, { 0x1CF4, 0x1CF4, 0 }, { 0x1CF8, 0x1CF9, 0 },
90 : { 0x1DC0, 0x1DFF, 0 }, { 0x200B, 0x200F, 0 }, { 0x202A, 0x202E, 0 },
91 : { 0x2060, 0x2064, 0 }, { 0x2066, 0x206F, 0 }, { 0x20D0, 0x20F0, 0 },
92 : { 0x231A, 0x231B, 2 }, { 0x2329, 0x232A, 2 }, { 0x23E9, 0x23EC, 2 },
93 : { 0x23F0, 0x23F0, 2 }, { 0x23F3, 0x23F3, 2 }, { 0x25FD, 0x25FE, 2 },
94 : { 0x2614, 0x2615, 2 }, { 0x2648, 0x2653, 2 }, { 0x267F, 0x267F, 2 },
95 : { 0x2693, 0x2693, 2 }, { 0x26A1, 0x26A1, 2 }, { 0x26AA, 0x26AB, 2 },
96 : { 0x26BD, 0x26BE, 2 }, { 0x26C4, 0x26C5, 2 }, { 0x26CE, 0x26CE, 2 },
97 : { 0x26D4, 0x26D4, 2 }, { 0x26EA, 0x26EA, 2 }, { 0x26F2, 0x26F3, 2 },
98 : { 0x26F5, 0x26F5, 2 }, { 0x26FA, 0x26FA, 2 }, { 0x26FD, 0x26FD, 2 },
99 : { 0x2705, 0x2705, 2 }, { 0x270A, 0x270B, 2 }, { 0x2728, 0x2728, 2 },
100 : { 0x274C, 0x274C, 2 }, { 0x274E, 0x274E, 2 }, { 0x2753, 0x2755, 2 },
101 : { 0x2757, 0x2757, 2 }, { 0x2795, 0x2797, 2 }, { 0x27B0, 0x27B0, 2 },
102 : { 0x27BF, 0x27BF, 2 }, { 0x2B1B, 0x2B1C, 2 }, { 0x2B50, 0x2B50, 2 },
103 : { 0x2B55, 0x2B55, 2 }, { 0x2CEF, 0x2CF1, 0 }, { 0x2D7F, 0x2D7F, 0 },
104 : { 0x2DE0, 0x2DFF, 0 }, { 0x2E80, 0x2E99, 2 }, { 0x2E9B, 0x2EF3, 2 },
105 : { 0x2F00, 0x2FD5, 2 }, { 0x2FF0, 0x3029, 2 }, { 0x302A, 0x302D, 0 },
106 : { 0x302E, 0x303E, 2 }, { 0x3041, 0x3096, 2 }, { 0x3099, 0x309A, 0 },
107 : { 0x309B, 0x30FF, 2 }, { 0x3105, 0x312F, 2 }, { 0x3131, 0x318E, 2 },
108 : { 0x3190, 0x31E3, 2 }, { 0x31EF, 0x321E, 2 }, { 0x3220, 0x3247, 2 },
109 : { 0x3250, 0x4DBF, 2 }, { 0x4E00, 0xA48C, 2 }, { 0xA490, 0xA4C6, 2 },
110 : { 0xA66F, 0xA672, 0 }, { 0xA674, 0xA67D, 0 }, { 0xA69E, 0xA69F, 0 },
111 : { 0xA6F0, 0xA6F1, 0 }, { 0xA802, 0xA802, 0 }, { 0xA806, 0xA806, 0 },
112 : { 0xA80B, 0xA80B, 0 }, { 0xA825, 0xA826, 0 }, { 0xA82C, 0xA82C, 0 },
113 : { 0xA8C4, 0xA8C5, 0 }, { 0xA8E0, 0xA8F1, 0 }, { 0xA8FF, 0xA8FF, 0 },
114 : { 0xA926, 0xA92D, 0 }, { 0xA947, 0xA951, 0 }, { 0xA960, 0xA97C, 2 },
115 : { 0xA980, 0xA982, 0 }, { 0xA9B3, 0xA9B3, 0 }, { 0xA9B6, 0xA9B9, 0 },
116 : { 0xA9BC, 0xA9BD, 0 }, { 0xA9E5, 0xA9E5, 0 }, { 0xAA29, 0xAA2E, 0 },
117 : { 0xAA31, 0xAA32, 0 }, { 0xAA35, 0xAA36, 0 }, { 0xAA43, 0xAA43, 0 },
118 : { 0xAA4C, 0xAA4C, 0 }, { 0xAA7C, 0xAA7C, 0 }, { 0xAAB0, 0xAAB0, 0 },
119 : { 0xAAB2, 0xAAB4, 0 }, { 0xAAB7, 0xAAB8, 0 }, { 0xAABE, 0xAABF, 0 },
120 : { 0xAAC1, 0xAAC1, 0 }, { 0xAAEC, 0xAAED, 0 }, { 0xAAF6, 0xAAF6, 0 },
121 : { 0xABE5, 0xABE5, 0 }, { 0xABE8, 0xABE8, 0 }, { 0xABED, 0xABED, 0 },
122 : { 0xAC00, 0xD7A3, 2 }, { 0xF900, 0xFAFF, 2 }, { 0xFB1E, 0xFB1E, 0 },
123 : { 0xFE00, 0xFE0F, 0 }, { 0xFE10, 0xFE19, 2 }, { 0xFE20, 0xFE2F, 0 },
124 : { 0xFE30, 0xFE52, 2 }, { 0xFE54, 0xFE66, 2 }, { 0xFE68, 0xFE6B, 2 },
125 : { 0xFEFF, 0xFEFF, 0 }, { 0xFF01, 0xFF60, 2 }, { 0xFFE0, 0xFFE6, 2 },
126 : { 0xFFF9, 0xFFFB, 0 }, { 0x101FD, 0x101FD, 0 }, { 0x102E0, 0x102E0, 0 },
127 : { 0x10376, 0x1037A, 0 }, { 0x10A01, 0x10A03, 0 }, { 0x10A05, 0x10A06, 0 },
128 : { 0x10A0C, 0x10A0F, 0 }, { 0x10A38, 0x10A3A, 0 }, { 0x10A3F, 0x10A3F, 0 },
129 : { 0x10AE5, 0x10AE6, 0 }, { 0x10D24, 0x10D27, 0 }, { 0x10EAB, 0x10EAC, 0 },
130 : { 0x10EFD, 0x10EFF, 0 }, { 0x10F46, 0x10F50, 0 }, { 0x10F82, 0x10F85, 0 },
131 : { 0x11001, 0x11001, 0 }, { 0x11038, 0x11046, 0 }, { 0x11070, 0x11070, 0 },
132 : { 0x11073, 0x11074, 0 }, { 0x1107F, 0x11081, 0 }, { 0x110B3, 0x110B6, 0 },
133 : { 0x110B9, 0x110BA, 0 }, { 0x110BD, 0x110BD, 0 }, { 0x110C2, 0x110C2, 0 },
134 : { 0x110CD, 0x110CD, 0 }, { 0x11100, 0x11102, 0 }, { 0x11127, 0x1112B, 0 },
135 : { 0x1112D, 0x11134, 0 }, { 0x11173, 0x11173, 0 }, { 0x11180, 0x11181, 0 },
136 : { 0x111B6, 0x111BE, 0 }, { 0x111C9, 0x111CC, 0 }, { 0x111CF, 0x111CF, 0 },
137 : { 0x1122F, 0x11231, 0 }, { 0x11234, 0x11234, 0 }, { 0x11236, 0x11237, 0 },
138 : { 0x1123E, 0x1123E, 0 }, { 0x11241, 0x11241, 0 }, { 0x112DF, 0x112DF, 0 },
139 : { 0x112E3, 0x112EA, 0 }, { 0x11300, 0x11301, 0 }, { 0x1133B, 0x1133C, 0 },
140 : { 0x11340, 0x11340, 0 }, { 0x11366, 0x1136C, 0 }, { 0x11370, 0x11374, 0 },
141 : { 0x11438, 0x1143F, 0 }, { 0x11442, 0x11444, 0 }, { 0x11446, 0x11446, 0 },
142 : { 0x1145E, 0x1145E, 0 }, { 0x114B3, 0x114B8, 0 }, { 0x114BA, 0x114BA, 0 },
143 : { 0x114BF, 0x114C0, 0 }, { 0x114C2, 0x114C3, 0 }, { 0x115B2, 0x115B5, 0 },
144 : { 0x115BC, 0x115BD, 0 }, { 0x115BF, 0x115C0, 0 }, { 0x115DC, 0x115DD, 0 },
145 : { 0x11633, 0x1163A, 0 }, { 0x1163D, 0x1163D, 0 }, { 0x1163F, 0x11640, 0 },
146 : { 0x116AB, 0x116AB, 0 }, { 0x116AD, 0x116AD, 0 }, { 0x116B0, 0x116B5, 0 },
147 : { 0x116B7, 0x116B7, 0 }, { 0x1171D, 0x1171F, 0 }, { 0x11722, 0x11725, 0 },
148 : { 0x11727, 0x1172B, 0 }, { 0x1182F, 0x11837, 0 }, { 0x11839, 0x1183A, 0 },
149 : { 0x1193B, 0x1193C, 0 }, { 0x1193E, 0x1193E, 0 }, { 0x11943, 0x11943, 0 },
150 : { 0x119D4, 0x119D7, 0 }, { 0x119DA, 0x119DB, 0 }, { 0x119E0, 0x119E0, 0 },
151 : { 0x11A01, 0x11A0A, 0 }, { 0x11A33, 0x11A38, 0 }, { 0x11A3B, 0x11A3E, 0 },
152 : { 0x11A47, 0x11A47, 0 }, { 0x11A51, 0x11A56, 0 }, { 0x11A59, 0x11A5B, 0 },
153 : { 0x11A8A, 0x11A96, 0 }, { 0x11A98, 0x11A99, 0 }, { 0x11C30, 0x11C36, 0 },
154 : { 0x11C38, 0x11C3D, 0 }, { 0x11C3F, 0x11C3F, 0 }, { 0x11C92, 0x11CA7, 0 },
155 : { 0x11CAA, 0x11CB0, 0 }, { 0x11CB2, 0x11CB3, 0 }, { 0x11CB5, 0x11CB6, 0 },
156 : { 0x11D31, 0x11D36, 0 }, { 0x11D3A, 0x11D3A, 0 }, { 0x11D3C, 0x11D3D, 0 },
157 : { 0x11D3F, 0x11D45, 0 }, { 0x11D47, 0x11D47, 0 }, { 0x11D90, 0x11D91, 0 },
158 : { 0x11D95, 0x11D95, 0 }, { 0x11D97, 0x11D97, 0 }, { 0x11EF3, 0x11EF4, 0 },
159 : { 0x11F00, 0x11F01, 0 }, { 0x11F36, 0x11F3A, 0 }, { 0x11F40, 0x11F40, 0 },
160 : { 0x11F42, 0x11F42, 0 }, { 0x13430, 0x13440, 0 }, { 0x13447, 0x13455, 0 },
161 : { 0x16AF0, 0x16AF4, 0 }, { 0x16B30, 0x16B36, 0 }, { 0x16F4F, 0x16F4F, 0 },
162 : { 0x16F8F, 0x16F92, 0 }, { 0x16FE0, 0x16FE3, 2 }, { 0x16FE4, 0x16FE4, 0 },
163 : { 0x16FF0, 0x16FF1, 2 }, { 0x17000, 0x187F7, 2 }, { 0x18800, 0x18CD5, 2 },
164 : { 0x18D00, 0x18D08, 2 }, { 0x1AFF0, 0x1AFF3, 2 }, { 0x1AFF5, 0x1AFFB, 2 },
165 : { 0x1AFFD, 0x1AFFE, 2 }, { 0x1B000, 0x1B122, 2 }, { 0x1B132, 0x1B132, 2 },
166 : { 0x1B150, 0x1B152, 2 }, { 0x1B155, 0x1B155, 2 }, { 0x1B164, 0x1B167, 2 },
167 : { 0x1B170, 0x1B2FB, 2 }, { 0x1BC9D, 0x1BC9E, 0 }, { 0x1BCA0, 0x1BCA3, 0 },
168 : { 0x1CF00, 0x1CF2D, 0 }, { 0x1CF30, 0x1CF46, 0 }, { 0x1D167, 0x1D169, 0 },
169 : { 0x1D173, 0x1D182, 0 }, { 0x1D185, 0x1D18B, 0 }, { 0x1D1AA, 0x1D1AD, 0 },
170 : { 0x1D242, 0x1D244, 0 }, { 0x1DA00, 0x1DA36, 0 }, { 0x1DA3B, 0x1DA6C, 0 },
171 : { 0x1DA75, 0x1DA75, 0 }, { 0x1DA84, 0x1DA84, 0 }, { 0x1DA9B, 0x1DA9F, 0 },
172 : { 0x1DAA1, 0x1DAAF, 0 }, { 0x1E000, 0x1E006, 0 }, { 0x1E008, 0x1E018, 0 },
173 : { 0x1E01B, 0x1E021, 0 }, { 0x1E023, 0x1E024, 0 }, { 0x1E026, 0x1E02A, 0 },
174 : { 0x1E08F, 0x1E08F, 0 }, { 0x1E130, 0x1E136, 0 }, { 0x1E2AE, 0x1E2AE, 0 },
175 : { 0x1E2EC, 0x1E2EF, 0 }, { 0x1E4EC, 0x1E4EF, 0 }, { 0x1E8D0, 0x1E8D6, 0 },
176 : { 0x1E944, 0x1E94A, 0 }, { 0x1F004, 0x1F004, 2 }, { 0x1F0CF, 0x1F0CF, 2 },
177 : { 0x1F18E, 0x1F18E, 2 }, { 0x1F191, 0x1F19A, 2 }, { 0x1F200, 0x1F202, 2 },
178 : { 0x1F210, 0x1F23B, 2 }, { 0x1F240, 0x1F248, 2 }, { 0x1F250, 0x1F251, 2 },
179 : { 0x1F260, 0x1F265, 2 }, { 0x1F300, 0x1F320, 2 }, { 0x1F32D, 0x1F335, 2 },
180 : { 0x1F337, 0x1F37C, 2 }, { 0x1F37E, 0x1F393, 2 }, { 0x1F3A0, 0x1F3CA, 2 },
181 : { 0x1F3CF, 0x1F3D3, 2 }, { 0x1F3E0, 0x1F3F0, 2 }, { 0x1F3F4, 0x1F3F4, 2 },
182 : { 0x1F3F8, 0x1F43E, 2 }, { 0x1F440, 0x1F440, 2 }, { 0x1F442, 0x1F4FC, 2 },
183 : { 0x1F4FF, 0x1F53D, 2 }, { 0x1F54B, 0x1F54E, 2 }, { 0x1F550, 0x1F567, 2 },
184 : { 0x1F57A, 0x1F57A, 2 }, { 0x1F595, 0x1F596, 2 }, { 0x1F5A4, 0x1F5A4, 2 },
185 : { 0x1F5FB, 0x1F64F, 2 }, { 0x1F680, 0x1F6C5, 2 }, { 0x1F6CC, 0x1F6CC, 2 },
186 : { 0x1F6D0, 0x1F6D2, 2 }, { 0x1F6D5, 0x1F6D7, 2 }, { 0x1F6DC, 0x1F6DF, 2 },
187 : { 0x1F6EB, 0x1F6EC, 2 }, { 0x1F6F4, 0x1F6FC, 2 }, { 0x1F7E0, 0x1F7EB, 2 },
188 : { 0x1F7F0, 0x1F7F0, 2 }, { 0x1F90C, 0x1F93A, 2 }, { 0x1F93C, 0x1F945, 2 },
189 : { 0x1F947, 0x1F9FF, 2 }, { 0x1FA70, 0x1FA7C, 2 }, { 0x1FA80, 0x1FA88, 2 },
190 : { 0x1FA90, 0x1FABD, 2 }, { 0x1FABF, 0x1FAC5, 2 }, { 0x1FACE, 0x1FADB, 2 },
191 : { 0x1FAE0, 0x1FAE8, 2 }, { 0x1FAF0, 0x1FAF8, 2 }, { 0x20000, 0x2FFFD, 2 },
192 : { 0x30000, 0x3FFFD, 2 }, { 0xE0001, 0xE0001, 0 }, { 0xE0020, 0xE007F, 0 },
193 : { 0xE0100, 0xE01EF, 0 },
194 : };
195 :
196 : /* Return the display width of Unicode codepoint c (-1 if c is a control
197 : * character, else 0, 1, or 2). This function is similar to the
198 : * standard C function wcwidth, but only for Unicode codepoints */
199 : int
200 138262928 : charwidth(uint32_t c)
201 : {
202 138262928 : if (c == 0)
203 : return 0;
204 138262928 : if ((c & ~0x80) <= 0x1F || c == 0x007F)
205 : return -1; /* control character or DELETE */
206 :
207 138259170 : size_t min = 0;
208 138259170 : size_t max = (sizeof(intervals) / sizeof(intervals[0])) - 1;
209 :
210 138259170 : if (c >= intervals[min].first && c <= intervals[max].last) {
211 45582 : while (max >= min) {
212 41249 : size_t mid = (min + max) / 2;
213 41249 : if (c > intervals[mid].last)
214 25841 : min = mid + 1;
215 15408 : else if (c < intervals[mid].first)
216 15094 : max = mid - 1;
217 : else
218 314 : return intervals[mid].width;
219 : }
220 : }
221 : return 1;
222 : }
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