utf.h

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00001 /*
00002 *******************************************************************************
00003 *
00004 *   Copyright (C) 1999-2011, International Business Machines
00005 *   Corporation and others.  All Rights Reserved.
00006 *
00007 *******************************************************************************
00008 *   file name:  utf.h
00009 *   encoding:   US-ASCII
00010 *   tab size:   8 (not used)
00011 *   indentation:4
00012 *
00013 *   created on: 1999sep09
00014 *   created by: Markus W. Scherer
00015 */
00016 
00111 #ifndef __UTF_H__
00112 #define __UTF_H__
00113 
00114 #include "unicode/umachine.h"
00115 /* include the utfXX.h after the following definitions */
00116 
00117 /* single-code point definitions -------------------------------------------- */
00118 
00125 #define U_IS_UNICODE_NONCHAR(c) \
00126     ((c)>=0xfdd0 && \
00127      ((uint32_t)(c)<=0xfdef || ((c)&0xfffe)==0xfffe) && \
00128      (uint32_t)(c)<=0x10ffff)
00129 
00147 #define U_IS_UNICODE_CHAR(c) \
00148     ((uint32_t)(c)<0xd800 || \
00149         ((uint32_t)(c)>0xdfff && \
00150          (uint32_t)(c)<=0x10ffff && \
00151          !U_IS_UNICODE_NONCHAR(c)))
00152 
00159 #define U_IS_BMP(c) ((uint32_t)(c)<=0xffff)
00160 
00167 #define U_IS_SUPPLEMENTARY(c) ((uint32_t)((c)-0x10000)<=0xfffff)
00168  
00175 #define U_IS_LEAD(c) (((c)&0xfffffc00)==0xd800)
00176 
00183 #define U_IS_TRAIL(c) (((c)&0xfffffc00)==0xdc00)
00184 
00191 #define U_IS_SURROGATE(c) (((c)&0xfffff800)==0xd800)
00192 
00200 #define U_IS_SURROGATE_LEAD(c) (((c)&0x400)==0)
00201 
00209 #define U_IS_SURROGATE_TRAIL(c) (((c)&0x400)!=0)
00210 
00211 /* include the utfXX.h ------------------------------------------------------ */
00212 
00213 #if !U_NO_DEFAULT_INCLUDE_UTF_HEADERS
00214 
00215 #include "unicode/utf8.h"
00216 #include "unicode/utf16.h"
00217 
00218 /* utf_old.h contains deprecated, pre-ICU 2.4 definitions */
00219 #include "unicode/utf_old.h"
00220 
00221 #endif  /* !U_NO_DEFAULT_INCLUDE_UTF_HEADERS */
00222 
00223 #endif  /* __UTF_H__ */

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