Annotation of embedaddon/libiconv/srclib/uniwidth/width.c, revision 1.1.1.1
1.1 misho 1: /* Determine display width of Unicode character.
2: Copyright (C) 2001-2002, 2006-2009 Free Software Foundation, Inc.
3: Written by Bruno Haible <bruno@clisp.org>, 2002.
4:
5: This program is free software: you can redistribute it and/or modify it
6: under the terms of the GNU General Public License as published
7: by the Free Software Foundation; either version 3 of the License, or
8: (at your option) any later version.
9:
10: This program is distributed in the hope that it will be useful,
11: but WITHOUT ANY WARRANTY; without even the implied warranty of
12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: Lesser General Public License for more details.
14:
15: You should have received a copy of the GNU General Public License
16: along with this program. If not, see <http://www.gnu.org/licenses/>. */
17:
18: #include <config.h>
19:
20: /* Specification. */
21: #include "uniwidth.h"
22:
23: #include "cjk.h"
24:
25: /*
26: * Non-spacing attribute table.
27: * Consists of:
28: * - Non-spacing characters; generated from PropList.txt or
29: * "grep '^[^;]*;[^;]*;[^;]*;[^;]*;NSM;' UnicodeData.txt"
30: * - Format control characters; generated from
31: * "grep '^[^;]*;[^;]*;Cf;' UnicodeData.txt"
32: * - Zero width characters; generated from
33: * "grep '^[^;]*;ZERO WIDTH ' UnicodeData.txt"
34: */
35: static const unsigned char nonspacing_table_data[26*64] = {
36: /* 0x0000-0x01ff */
37: 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, /* 0x0000-0x003f */
38: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, /* 0x0040-0x007f */
39: 0xff, 0xff, 0xff, 0xff, 0x00, 0x20, 0x00, 0x00, /* 0x0080-0x00bf */
40: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00c0-0x00ff */
41: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0100-0x013f */
42: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0140-0x017f */
43: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0180-0x01bf */
44: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x01c0-0x01ff */
45: /* 0x0200-0x03ff */
46: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0200-0x023f */
47: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0240-0x027f */
48: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0280-0x02bf */
49: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x02c0-0x02ff */
50: 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x0300-0x033f */
51: 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, /* 0x0340-0x037f */
52: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0380-0x03bf */
53: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x03c0-0x03ff */
54: /* 0x0400-0x05ff */
55: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0400-0x043f */
56: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0440-0x047f */
57: 0xf8, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0480-0x04bf */
58: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04c0-0x04ff */
59: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0500-0x053f */
60: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0540-0x057f */
61: 0x00, 0x00, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xbf, /* 0x0580-0x05bf */
62: 0xb6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x05c0-0x05ff */
63: /* 0x0600-0x07ff */
64: 0x0f, 0x00, 0xff, 0x07, 0x00, 0x00, 0x00, 0x00, /* 0x0600-0x063f */
65: 0x00, 0xf8, 0xff, 0x7f, 0x00, 0x00, 0x01, 0x00, /* 0x0640-0x067f */
66: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0680-0x06bf */
67: 0x00, 0x00, 0xc0, 0xff, 0x9f, 0x3d, 0x00, 0x00, /* 0x06c0-0x06ff */
68: 0x00, 0x80, 0x02, 0x00, 0x00, 0x00, 0xff, 0xff, /* 0x0700-0x073f */
69: 0xff, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0740-0x077f */
70: 0x00, 0x00, 0x00, 0x00, 0xc0, 0xff, 0x01, 0x00, /* 0x0780-0x07bf */
71: 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x0f, 0x00, /* 0x07c0-0x07ff */
72: /* 0x0800-0x09ff */
73: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0800-0x083f */
74: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0840-0x087f */
75: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0880-0x08bf */
76: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08c0-0x08ff */
77: 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, /* 0x0900-0x093f */
78: 0xfe, 0x21, 0x1e, 0x00, 0x0c, 0x00, 0x00, 0x00, /* 0x0940-0x097f */
79: 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, /* 0x0980-0x09bf */
80: 0x1e, 0x20, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, /* 0x09c0-0x09ff */
81: /* 0x0a00-0x0bff */
82: 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, /* 0x0a00-0x0a3f */
83: 0x86, 0x39, 0x02, 0x00, 0x00, 0x00, 0x23, 0x00, /* 0x0a40-0x0a7f */
84: 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, /* 0x0a80-0x0abf */
85: 0xbe, 0x21, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, /* 0x0ac0-0x0aff */
86: 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, /* 0x0b00-0x0b3f */
87: 0x1e, 0x20, 0x40, 0x00, 0x0c, 0x00, 0x00, 0x00, /* 0x0b40-0x0b7f */
88: 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0b80-0x0bbf */
89: 0x01, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0bc0-0x0bff */
90: /* 0x0c00-0x0dff */
91: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, /* 0x0c00-0x0c3f */
92: 0xc1, 0x3d, 0x60, 0x00, 0x0c, 0x00, 0x00, 0x00, /* 0x0c40-0x0c7f */
93: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, /* 0x0c80-0x0cbf */
94: 0x00, 0x30, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, /* 0x0cc0-0x0cff */
95: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0d00-0x0d3f */
96: 0x1e, 0x20, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, /* 0x0d40-0x0d7f */
97: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0d80-0x0dbf */
98: 0x00, 0x04, 0x5c, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0dc0-0x0dff */
99: /* 0x0e00-0x0fff */
100: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, 0x07, /* 0x0e00-0x0e3f */
101: 0x80, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0e40-0x0e7f */
102: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, 0x1b, /* 0x0e80-0x0ebf */
103: 0x00, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0ec0-0x0eff */
104: 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0xa0, 0x02, /* 0x0f00-0x0f3f */
105: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x7f, /* 0x0f40-0x0f7f */
106: 0xdf, 0x00, 0xff, 0xfe, 0xff, 0xff, 0xff, 0x1f, /* 0x0f80-0x0fbf */
107: 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0fc0-0x0fff */
108: /* 0x1000-0x11ff */
109: 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0xfd, 0x66, /* 0x1000-0x103f */
110: 0x00, 0x00, 0x00, 0xc3, 0x01, 0x00, 0x1e, 0x00, /* 0x1040-0x107f */
111: 0x64, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1080-0x10bf */
112: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10c0-0x10ff */
113: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1100-0x113f */
114: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1140-0x117f */
115: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1180-0x11bf */
116: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x11c0-0x11ff */
117: /* 0x1200-0x13ff */
118: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1200-0x123f */
119: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1240-0x127f */
120: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1280-0x12bf */
121: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x12c0-0x12ff */
122: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1300-0x133f */
123: 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, /* 0x1340-0x137f */
124: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1380-0x13bf */
125: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x13c0-0x13ff */
126: /* 0x1600-0x17ff */
127: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1600-0x163f */
128: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1640-0x167f */
129: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1680-0x16bf */
130: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x16c0-0x16ff */
131: 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x1c, 0x00, /* 0x1700-0x173f */
132: 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x0c, 0x00, /* 0x1740-0x177f */
133: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb0, 0x3f, /* 0x1780-0x17bf */
134: 0x40, 0xfe, 0x0f, 0x20, 0x00, 0x00, 0x00, 0x00, /* 0x17c0-0x17ff */
135: /* 0x1800-0x19ff */
136: 0x00, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1800-0x183f */
137: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1840-0x187f */
138: 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, /* 0x1880-0x18bf */
139: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18c0-0x18ff */
140: 0x00, 0x00, 0x00, 0x00, 0x87, 0x01, 0x04, 0x0e, /* 0x1900-0x193f */
141: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1940-0x197f */
142: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1980-0x19bf */
143: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x19c0-0x19ff */
144: /* 0x1a00-0x1bff */
145: 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, /* 0x1a00-0x1a3f */
146: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1a40-0x1a7f */
147: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1a80-0x1abf */
148: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1ac0-0x1aff */
149: 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd0, 0x17, /* 0x1b00-0x1b3f */
150: 0x04, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x0f, 0x00, /* 0x1b40-0x1b7f */
151: 0x03, 0x00, 0x00, 0x00, 0x3c, 0x03, 0x00, 0x00, /* 0x1b80-0x1bbf */
152: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1bc0-0x1bff */
153: /* 0x1c00-0x1dff */
154: 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0xcf, 0x00, /* 0x1c00-0x1c3f */
155: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1c40-0x1c7f */
156: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1c80-0x1cbf */
157: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1cc0-0x1cff */
158: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d00-0x1d3f */
159: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d40-0x1d7f */
160: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d80-0x1dbf */
161: 0xff, 0xff, 0xff, 0xff, 0x7f, 0x00, 0x00, 0xc0, /* 0x1dc0-0x1dff */
162: /* 0x2000-0x21ff */
163: 0x00, 0xf8, 0x00, 0x00, 0x00, 0x7c, 0x00, 0x00, /* 0x2000-0x203f */
164: 0x00, 0x00, 0x00, 0x00, 0x1f, 0xfc, 0x00, 0x00, /* 0x2040-0x207f */
165: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2080-0x20bf */
166: 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, /* 0x20c0-0x20ff */
167: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2100-0x213f */
168: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2140-0x217f */
169: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2180-0x21bf */
170: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x21c0-0x21ff */
171: /* 0x2c00-0x2dff */
172: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2c00-0x2c3f */
173: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2c40-0x2c7f */
174: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2c80-0x2cbf */
175: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2cc0-0x2cff */
176: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2d00-0x2d3f */
177: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2d40-0x2d7f */
178: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2d80-0x2dbf */
179: 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, /* 0x2dc0-0x2dff */
180: /* 0x3000-0x31ff */
181: 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, /* 0x3000-0x303f */
182: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x3040-0x307f */
183: 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, /* 0x3080-0x30bf */
184: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30c0-0x30ff */
185: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x3100-0x313f */
186: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x3140-0x317f */
187: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x3180-0x31bf */
188: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x31c0-0x31ff */
189: /* 0xa600-0xa7ff */
190: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa600-0xa63f */
191: 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x07, 0x30, /* 0xa640-0xa67f */
192: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa680-0xa6bf */
193: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa6c0-0xa6ff */
194: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa700-0xa73f */
195: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa740-0xa77f */
196: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa780-0xa7bf */
197: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa7c0-0xa7ff */
198: /* 0xa800-0xa9ff */
199: 0x44, 0x08, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, /* 0xa800-0xa83f */
200: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa840-0xa87f */
201: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa880-0xa8bf */
202: 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa8c0-0xa8ff */
203: 0x00, 0x00, 0x00, 0x00, 0xc0, 0x3f, 0x00, 0x00, /* 0xa900-0xa93f */
204: 0x80, 0xff, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa940-0xa97f */
205: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa980-0xa9bf */
206: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa9c0-0xa9ff */
207: /* 0xaa00-0xabff */
208: 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x66, 0x00, /* 0xaa00-0xaa3f */
209: 0x08, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xaa40-0xaa7f */
210: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xaa80-0xaabf */
211: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xaac0-0xaaff */
212: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xab00-0xab3f */
213: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xab40-0xab7f */
214: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xab80-0xabbf */
215: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xabc0-0xabff */
216: /* 0xfa00-0xfbff */
217: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xfa00-0xfa3f */
218: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xfa40-0xfa7f */
219: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xfa80-0xfabf */
220: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xfac0-0xfaff */
221: 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, /* 0xfb00-0xfb3f */
222: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xfb40-0xfb7f */
223: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xfb80-0xfbbf */
224: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xfbc0-0xfbff */
225: /* 0xfe00-0xffff */
226: 0xff, 0xff, 0x00, 0x00, 0x7f, 0x00, 0x00, 0x00, /* 0xfe00-0xfe3f */
227: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xfe40-0xfe7f */
228: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xfe80-0xfebf */
229: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, /* 0xfec0-0xfeff */
230: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xff00-0xff3f */
231: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xff40-0xff7f */
232: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xff80-0xffbf */
233: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, /* 0xffc0-0xffff */
234: /* 0x10000-0x101ff */
235: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10000-0x1003f */
236: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10040-0x1007f */
237: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10080-0x100bf */
238: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x100c0-0x100ff */
239: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10100-0x1013f */
240: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10140-0x1017f */
241: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10180-0x101bf */
242: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, /* 0x101c0-0x101ff */
243: /* 0x10a00-0x10bff */
244: 0x6e, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x87, /* 0x10a00-0x10a3f */
245: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10a40-0x10a7f */
246: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10a80-0x10abf */
247: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10ac0-0x10aff */
248: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10b00-0x10b3f */
249: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10b40-0x10b7f */
250: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10b80-0x10bbf */
251: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10bc0-0x10bff */
252: /* 0x1d000-0x1d1ff */
253: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d000-0x1d03f */
254: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d040-0x1d07f */
255: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d080-0x1d0bf */
256: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d0c0-0x1d0ff */
257: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d100-0x1d13f */
258: 0x00, 0x00, 0x00, 0x00, 0x80, 0x03, 0x00, 0xf8, /* 0x1d140-0x1d17f */
259: 0xe7, 0x0f, 0x00, 0x00, 0x00, 0x3c, 0x00, 0x00, /* 0x1d180-0x1d1bf */
260: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d1c0-0x1d1ff */
261: /* 0x1d200-0x1d3ff */
262: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d200-0x1d23f */
263: 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d240-0x1d27f */
264: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d280-0x1d2bf */
265: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d2c0-0x1d2ff */
266: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d300-0x1d33f */
267: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d340-0x1d37f */
268: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x1d380-0x1d3bf */
269: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /* 0x1d3c0-0x1d3ff */
270: };
271: static const signed char nonspacing_table_ind[240] = {
272: 0, 1, 2, 3, 4, 5, 6, 7, /* 0x0000-0x0fff */
273: 8, 9, -1, 10, 11, 12, 13, -1, /* 0x1000-0x1fff */
274: 14, -1, -1, -1, -1, -1, 15, -1, /* 0x2000-0x2fff */
275: 16, -1, -1, -1, -1, -1, -1, -1, /* 0x3000-0x3fff */
276: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x4000-0x4fff */
277: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x5000-0x5fff */
278: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x6000-0x6fff */
279: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x7000-0x7fff */
280: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x8000-0x8fff */
281: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x9000-0x9fff */
282: -1, -1, -1, 17, 18, 19, -1, -1, /* 0xa000-0xafff */
283: -1, -1, -1, -1, -1, -1, -1, -1, /* 0xb000-0xbfff */
284: -1, -1, -1, -1, -1, -1, -1, -1, /* 0xc000-0xcfff */
285: -1, -1, -1, -1, -1, -1, -1, -1, /* 0xd000-0xdfff */
286: -1, -1, -1, -1, -1, -1, -1, -1, /* 0xe000-0xefff */
287: -1, -1, -1, -1, -1, 20, -1, 21, /* 0xf000-0xffff */
288: 22, -1, -1, -1, -1, 23, -1, -1, /* 0x10000-0x10fff */
289: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x11000-0x11fff */
290: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x12000-0x12fff */
291: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x13000-0x13fff */
292: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x14000-0x14fff */
293: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x15000-0x15fff */
294: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x16000-0x16fff */
295: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x17000-0x17fff */
296: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x18000-0x18fff */
297: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x19000-0x19fff */
298: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x1a000-0x1afff */
299: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x1b000-0x1bfff */
300: -1, -1, -1, -1, -1, -1, -1, -1, /* 0x1c000-0x1cfff */
301: 24, 25, -1, -1, -1, -1, -1, -1 /* 0x1d000-0x1dfff */
302: };
303:
304: /* Determine number of column positions required for UC. */
305: int
306: uc_width (ucs4_t uc, const char *encoding)
307: {
308: /* Test for non-spacing or control character. */
309: if ((uc >> 9) < 240)
310: {
311: int ind = nonspacing_table_ind[uc >> 9];
312: if (ind >= 0)
313: if ((nonspacing_table_data[64*ind + ((uc >> 3) & 63)] >> (uc & 7)) & 1)
314: {
315: if (uc > 0 && uc < 0xa0)
316: return -1;
317: else
318: return 0;
319: }
320: }
321: else if ((uc >> 9) == (0xe0000 >> 9))
322: {
323: if (uc >= 0xe0100)
324: {
325: if (uc <= 0xe01ef)
326: return 0;
327: }
328: else
329: {
330: if (uc >= 0xe0020 ? uc <= 0xe007f : uc == 0xe0001)
331: return 0;
332: }
333: }
334: /* Test for double-width character.
335: * Generated from "grep '^....;[WF]' EastAsianWidth.txt"
336: * and "grep '^....;[^WF]' EastAsianWidth.txt"
337: */
338: if (uc >= 0x1100
339: && ((uc < 0x1160) /* Hangul Jamo */
340: || (uc >= 0x2329 && uc < 0x232b) /* Angle Brackets */
341: || (uc >= 0x2e80 && uc < 0xa4d0 /* CJK ... Yi */
342: && !(uc == 0x303f) && !(uc >= 0x4dc0 && uc < 0x4e00))
343: || (uc >= 0xac00 && uc < 0xd7a4) /* Hangul Syllables */
344: || (uc >= 0xf900 && uc < 0xfb00) /* CJK Compatibility Ideographs */
345: || (uc >= 0xfe10 && uc < 0xfe20) /* Presentation Forms for Vertical */
346: || (uc >= 0xfe30 && uc < 0xfe70) /* CJK Compatibility Forms */
347: || (uc >= 0xff00 && uc < 0xff61) /* Fullwidth Forms */
348: || (uc >= 0xffe0 && uc < 0xffe7) /* Fullwidth Signs */
349: || (uc >= 0x20000 && uc <= 0x2a6d6) /* CJK */
350: || (uc >= 0x2f800 && uc <= 0x2fa1d) /* CJK Compatibility Ideographs */
351: ) )
352: return 2;
353: /* In ancient CJK encodings, Cyrillic and most other characters are
354: double-width as well. */
355: if (uc >= 0x00A1 && uc < 0xFF61 && uc != 0x20A9
356: && is_cjk_encoding (encoding))
357: return 2;
358: return 1;
359: }
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