File: ctype.c

package info (click to toggle)
espeak-ng 1.49.2+dfsg-8
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 37,072 kB
  • sloc: ansic: 43,624; sh: 4,235; java: 4,005; xml: 1,469; python: 999; makefile: 953; cpp: 300
file content (211 lines) | stat: -rw-r--r-- 4,692 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
/* ctype-style APIs.
 *
 * Copyright (C) 2012-2018 Reece H. Dunn
 *
 * This file is part of ucd-tools.
 *
 * ucd-tools is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * ucd-tools is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with ucd-tools.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "ucd/ucd.h"

int ucd_isalnum(codepoint_t c)
{
	ucd_category cat = ucd_lookup_category(c);
	switch (cat)
	{
	case UCD_CATEGORY_Lu:
	case UCD_CATEGORY_Ll:
	case UCD_CATEGORY_Lt:
	case UCD_CATEGORY_Lm:
	case UCD_CATEGORY_Lo:
	case UCD_CATEGORY_Nl:
	case UCD_CATEGORY_Nd:
	case UCD_CATEGORY_No:
		return 1;
	case UCD_CATEGORY_Mn:
	case UCD_CATEGORY_Mc:
	case UCD_CATEGORY_So:
		return (ucd_properties(c, cat) & UCD_PROPERTY_OTHER_ALPHABETIC) == UCD_PROPERTY_OTHER_ALPHABETIC;
	default:
		return 0;
	}
}

int ucd_isalpha(codepoint_t c)
{
	ucd_category cat = ucd_lookup_category(c);
	switch (cat)
	{
	case UCD_CATEGORY_Lu:
	case UCD_CATEGORY_Ll:
	case UCD_CATEGORY_Lt:
	case UCD_CATEGORY_Lm:
	case UCD_CATEGORY_Lo:
	case UCD_CATEGORY_Nl:
		return 1;
	case UCD_CATEGORY_Mn:
	case UCD_CATEGORY_Mc:
	case UCD_CATEGORY_So:
		return (ucd_properties(c, cat) & UCD_PROPERTY_OTHER_ALPHABETIC) == UCD_PROPERTY_OTHER_ALPHABETIC;
	default:
		return 0;
	}
}

int ucd_isblank(codepoint_t c)
{
	switch (ucd_lookup_category(c))
	{
	case UCD_CATEGORY_Zs:
		switch (c) /* Exclude characters with the <noBreak> DispositionType */
		{
		case 0x00A0: /* U+00A0 : NO-BREAK SPACE */
		case 0x2007: /* U+2007 : FIGURE SPACE */
		case 0x202F: /* U+202F : NARROW NO-BREAK SPACE */
			return 0;
		}
		return 1;
	case UCD_CATEGORY_Cc:
		return c == 0x09; /* U+0009 : CHARACTER TABULATION */
	default:
		return 0;
	}
}

int ucd_iscntrl(codepoint_t c)
{
	return ucd_lookup_category(c) == UCD_CATEGORY_Cc;
}

int ucd_isdigit(codepoint_t c)
{
	return (c >= 0x30 && c <= 0x39); /* [0-9] */
}

int ucd_isgraph(codepoint_t c)
{
	switch (ucd_lookup_category(c))
	{
	case UCD_CATEGORY_Cc:
	case UCD_CATEGORY_Cf:
	case UCD_CATEGORY_Cn:
	case UCD_CATEGORY_Co:
	case UCD_CATEGORY_Cs:
	case UCD_CATEGORY_Zl:
	case UCD_CATEGORY_Zp:
	case UCD_CATEGORY_Zs:
	case UCD_CATEGORY_Ii:
		return 0;
	default:
		return 1;
	}
}

int ucd_islower(codepoint_t c)
{
	ucd_category cat = ucd_lookup_category(c);
	switch (cat)
	{
	case UCD_CATEGORY_Ll:
		return 1;
	case UCD_CATEGORY_Lt:
		return ucd_toupper(c) != c;
	case UCD_CATEGORY_Lm:
	case UCD_CATEGORY_Lo:
	case UCD_CATEGORY_Mn:
	case UCD_CATEGORY_Nl:
	case UCD_CATEGORY_So:
		return (ucd_properties(c, cat) & UCD_PROPERTY_OTHER_LOWERCASE) == UCD_PROPERTY_OTHER_LOWERCASE;
	default:
		return 0;
	}
}

int ucd_isprint(codepoint_t c)
{
	switch (ucd_lookup_category(c))
	{
	case UCD_CATEGORY_Cc:
	case UCD_CATEGORY_Cf:
	case UCD_CATEGORY_Cn:
	case UCD_CATEGORY_Co:
	case UCD_CATEGORY_Cs:
	case UCD_CATEGORY_Ii:
		return 0;
	default:
		return 1;
	}
}

int ucd_ispunct(codepoint_t c)
{
	return ucd_isgraph(c) && !ucd_isalnum(c);
}

int ucd_isspace(codepoint_t c)
{
	switch (ucd_lookup_category(c))
	{
	case UCD_CATEGORY_Zl:
	case UCD_CATEGORY_Zp:
		return 1;
	case UCD_CATEGORY_Zs:
		switch (c) /* Exclude characters with the <noBreak> DispositionType */
		{
		case 0x00A0: /* U+00A0 : NO-BREAK SPACE */
		case 0x2007: /* U+2007 : FIGURE SPACE */
		case 0x202F: /* U+202F : NARROW NO-BREAK SPACE */
			return 0;
		}
		return 1;
	case UCD_CATEGORY_Cc:
		switch (c) /* Include control characters marked as White_Space */
		{
		case 0x09: /* U+0009 : CHARACTER TABULATION */
		case 0x0A: /* U+000A : LINE FEED */
		case 0x0B: /* U+000B : LINE TABULATION */
		case 0x0C: /* U+000C : FORM FEED */
		case 0x0D: /* U+000D : CARRIAGE RETURN */
		case 0x85: /* U+0085 : NEXT LINE */
			return 1;
		}
	default:
		return 0;
	}
}

int ucd_isupper(codepoint_t c)
{
	ucd_category cat = ucd_lookup_category(c);
	switch (cat)
	{
	case UCD_CATEGORY_Lu:
		return 1;
	case UCD_CATEGORY_Lt:
		return ucd_tolower(c) != c;
	case UCD_CATEGORY_Nl:
	case UCD_CATEGORY_So:
		return (ucd_properties(c, cat) & UCD_PROPERTY_OTHER_UPPERCASE) == UCD_PROPERTY_OTHER_UPPERCASE;
	default:
		return 0;
	}
}

int ucd_isxdigit(codepoint_t c)
{
	return (c >= 0x30 && c <= 0x39)  /* [0-9] */
	    || (c >= 0x41 && c <= 0x46)  /* [A-Z] */
	    || (c >= 0x61 && c <= 0x66); /* [a-z] */
}