ICU 56.1: utf.h Source File

ICU 56.1 56.1

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utf.h
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1 /*
2 *******************************************************************************
3 *
4 * Copyright (C) 1999-2011, International Business Machines
5 * Corporation and others. All Rights Reserved.
6 *
7 *******************************************************************************
8 * file name: utf.h
9 * encoding: US-ASCII
10 * tab size: 8 (not used)
11 * indentation:4
12 *
13 * created on: 1999sep09
14 * created by: Markus W. Scherer
15 */
16
111 #ifndef __UTF_H__
112 #define __UTF_H__
113
114 #include "unicode/umachine.h"
115 /* include the utfXX.h after the following definitions */
116
117 /* single-code point definitions -------------------------------------------- */
118
125 #define U_IS_UNICODE_NONCHAR(c) \
126 ((c)>=0xfdd0 && \
127 ((uint32_t)(c)<=0xfdef || ((c)&0xfffe)==0xfffe) && \
128 (uint32_t)(c)<=0x10ffff)
129
147 #define U_IS_UNICODE_CHAR(c) \
148 ((uint32_t)(c)<0xd800 || \
149 ((uint32_t)(c)>0xdfff && \
150 (uint32_t)(c)<=0x10ffff && \
151 !U_IS_UNICODE_NONCHAR(c)))
152
159 #define U_IS_BMP(c) ((uint32_t)(c)<=0xffff)
160
167 #define U_IS_SUPPLEMENTARY(c) ((uint32_t)((c)-0x10000)<=0xfffff)
168
175 #define U_IS_LEAD(c) (((c)&0xfffffc00)==0xd800)
176
183 #define U_IS_TRAIL(c) (((c)&0xfffffc00)==0xdc00)
184
191 #define U_IS_SURROGATE(c) (((c)&0xfffff800)==0xd800)
192
200 #define U_IS_SURROGATE_LEAD(c) (((c)&0x400)==0)
201
209 #define U_IS_SURROGATE_TRAIL(c) (((c)&0x400)!=0)
210
211 /* include the utfXX.h ------------------------------------------------------ */
212
213 #if !U_NO_DEFAULT_INCLUDE_UTF_HEADERS
214
215 #include "unicode/utf8.h"
216 #include "unicode/utf16.h"
217
218 /* utf_old.h contains deprecated, pre-ICU 2.4 definitions */
219 #include "unicode/utf_old.h"
220
221 #endif /* !U_NO_DEFAULT_INCLUDE_UTF_HEADERS */
222
223 #endif /* __UTF_H__ */
utf8.h
C API: 8-bit Unicode handling macros.
umachine.h
Basic types and constants for UTF.
utf_old.h
C API: Deprecated macros for Unicode string handling.
utf16.h
C API: 16-bit Unicode handling macros.