ICU 72.1 72.1

utf.h
Go to the documentation of this file.
1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 *******************************************************************************
5 *
6 * Copyright (C) 1999-2011, International Business Machines
7 * Corporation and others. All Rights Reserved.
8 *
9 *******************************************************************************
10 * file name: utf.h
11 * encoding: UTF-8
12 * tab size: 8 (not used)
13 * indentation:4
14 *
15 * created on: 1999sep09
16 * created by: Markus W. Scherer
17 */
18
116 #ifndef __UTF_H__
117 #define __UTF_H__
118
119 #include "unicode/umachine.h"
120 /* include the utfXX.h after the following definitions */
121
122 /* single-code point definitions -------------------------------------------- */
123
130 #define U_IS_UNICODE_NONCHAR(c) \
131 ((c)>=0xfdd0 && \
132 ((c)<=0xfdef || ((c)&0xfffe)==0xfffe) && (c)<=0x10ffff)
133
151 #define U_IS_UNICODE_CHAR(c) \
152 ((uint32_t)(c)<0xd800 || \
153 (0xdfff<(c) && (c)<=0x10ffff && !U_IS_UNICODE_NONCHAR(c)))
154
161 #define U_IS_BMP(c) ((uint32_t)(c)<=0xffff)
162
169 #define U_IS_SUPPLEMENTARY(c) ((uint32_t)((c)-0x10000)<=0xfffff)
170
177 #define U_IS_LEAD(c) (((c)&0xfffffc00)==0xd800)
178
185 #define U_IS_TRAIL(c) (((c)&0xfffffc00)==0xdc00)
186
193 #define U_IS_SURROGATE(c) (((c)&0xfffff800)==0xd800)
194
202 #define U_IS_SURROGATE_LEAD(c) (((c)&0x400)==0)
203
211 #define U_IS_SURROGATE_TRAIL(c) (((c)&0x400)!=0)
212
213 /* include the utfXX.h ------------------------------------------------------ */
214
215 #if !U_NO_DEFAULT_INCLUDE_UTF_HEADERS
216
217 #include "unicode/utf8.h"
218 #include "unicode/utf16.h"
219
220 /* utf_old.h contains deprecated, pre-ICU 2.4 definitions */
221 #include "unicode/utf_old.h"
222
223 #endif /* !U_NO_DEFAULT_INCLUDE_UTF_HEADERS */
224
225 #endif /* __UTF_H__ */
umachine.h
Basic types and constants for UTF.
utf16.h
C API: 16-bit Unicode handling macros.
utf8.h
C API: 8-bit Unicode handling macros.
utf_old.h
C API: Deprecated macros for Unicode string handling.