wine/gecko
0
0
Fork 0
mirror of https://gitlab.winehq.org/wine/wine-gecko.git synced 2024-09-13 09:24:08 -07:00
Code Issues Packages Projects Releases Wiki Activity

Improve the CHAR_IS_BIDI macro. Bug 240943, patch from an idea by Peter Kirk, r+sr=roc

Browse Source
This commit is contained in:
smontagu@smontagu.org 2007-06-28 13:02:57 -07:00
parent e9c6d5f43b
commit 304cfb33d6
1 changed files with 18 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
intl/unicharutil/util/nsBidiUtils.h
View File

@ -221,9 +221,23 @@
#define IS_ARABIC_CHAR(c) ((0x0600 <= (c)) && ((c)<= 0x06FF))
#define IS_ARABIC_ALPHABETIC(c) (IS_ARABIC_CHAR(c) && \
!(IS_HINDI_DIGIT(c) || IS_FARSI_DIGIT(c) || IS_ARABIC_SEPARATOR(c)))
#define IS_CYPRIOT_CHAR(c) ((0x10800 <= (c)) && ((c) <=0x1083F))
#define CHAR_IS_BIDI(c) ( (IS_HINDI_DIGIT(c) ) || (IS_HEBREW_CHAR(c) ) \
|| (IS_06_CHAR(c) ) || (IS_FE_CHAR(c) ) \
|| (IS_CYPRIOT_CHAR(c) ) )
/**
* The codepoint ranges in the following macros are based on the blocks
* allocated, or planned to be allocated, to right-to-left characters in the
* BMP (Basic Multilingual Plane) and SMP (Supplementary Multilingual Plane)
* according to
* http://unicode.org/Public/UNIDATA/extracted/DerivedBidiClass.txt and
* http://www.unicode.org/roadmaps/
*/
#define IS_IN_BMP_RTL_BLOCK(c) ((0x590 <= (c)) && ((c) <= 0x8ff))
#define IS_RTL_PRESENTATION_FORM(c) (((0xfb1d <= (c)) && ((c) <= 0xfdff)) || \
((0xfe70 <= (c)) && ((c) <= 0xfefc)))
#define IS_IN_SMP_RTL_BLOCK(c) ((0x10800 <= (c)) && ((c) <= 0x10fff))
#define UCS2_CHAR_IS_BIDI(c) ((IS_IN_BMP_RTL_BLOCK(c)) || \
(IS_RTL_PRESENTATION_FORM(c)))
#define UTF32_CHAR_IS_BIDI(c) ((IS_IN_BMP_RTL_BLOCK(c)) || \
(IS_RTL_PRESENTATION_FORM(c)) || \
(IS_IN_SMP_RTL_BLOCK(c)))
#endif /* nsBidiUtils_h__ */