organicmaps/icu
13
Fork 0
mirror of https://github.com/unicode-org/icu.git synced 2025-04-08 23:10:40 +00:00
Code Issues 1 Projects Releases Wiki Activity Actions 1

ICU-8999 uprv_isASCIILetter()

Browse source 
X-SVN-Rev: 31117
This commit is contained in:
Markus Scherer 2011-12-14 23:43:56 +00:00
parent b15c59f8dc
commit 46749f4d00
4 changed files with 22 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
icu4c/source/common/cstring.c
View file

@ -1,7 +1,7 @@
/*
******************************************************************************
*
* Copyright (C) 1997-2003, International Business Machines
* Copyright (C) 1997-2011, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
@ -46,6 +46,17 @@
* and the set of uppercase Latin letters is discontiguous as well.
*/
U_CAPI UBool U_EXPORT2
uprv_isASCIILetter(char c) {
#if U_CHARSET_FAMILY==U_EBCDIC_FAMILY
return
('a'<=c && c<='i') || ('j'<=c && c<='r') || ('s'<=c && c<='z') ||
('A'<=c && c<='I') || ('J'<=c && c<='R') || ('S'<=c && c<='Z');
#else
return ('a'<=c && c<='z') || ('A'<=c && c<='Z');
#endif
}
U_CAPI char U_EXPORT2
uprv_toupper(char c) {
#if U_CHARSET_FAMILY==U_EBCDIC_FAMILY

8
icu4c/source/common/cstring.h
View file

@ -41,6 +41,14 @@
#define uprv_strstr(s, c) U_STANDARD_CPP_NAMESPACE strstr(s, c)
#define uprv_strrchr(s, c) U_STANDARD_CPP_NAMESPACE strrchr(s, c)
/**
* Is c an ASCII-repertoire letter a-z or A-Z?
* Note: The implementation is specific to whether ICU is compiled for
* an ASCII-based or EBCDIC-based machine. There just does not seem to be a better name for this.
*/
U_CAPI UBool U_EXPORT2
uprv_isASCIILetter(char c);
U_CAPI char U_EXPORT2
uprv_toupper(char c);

4
icu4c/source/common/uloc.cpp
View file

@ -1248,8 +1248,6 @@ ulocimp_getLanguage(const char *localeID,
return i;
}
#define ISASCIIALPHA(c) (((c) >= 'a' && (c) <= 'z') || ((c) >= 'A' && (c) <= 'Z'))
U_CFUNC int32_t
ulocimp_getScript(const char *localeID,
char *script, int32_t scriptCapacity,
@ -1263,7 +1261,7 @@ ulocimp_getScript(const char *localeID,
/* copy the second item as far as possible and count its length */
while(!_isTerminator(localeID[idLen]) && !_isIDSeparator(localeID[idLen])
&& ISASCIIALPHA(localeID[idLen])) {
&& uprv_isASCIILetter(localeID[idLen])) {
idLen++;
}

2
icu4c/source/common/uloc_tag.c
View file

@ -59,7 +59,7 @@ typedef struct ULanguageTag {
#define LOCALE_KEYWORD_SEP ';'
#define LOCALE_KEY_TYPE_SEP '='
#define ISALPHA(c) (((c)>='A' && (c)<='Z') || ((c)>='a' && (c)<='z'))
#define ISALPHA(c) uprv_isASCIILetter(c)
#define ISNUMERIC(c) ((c)>='0' && (c)<='9')
static const char* EMPTY = "";