Man page - unicode_grapheme_break_init(3)
Packages contas this manual
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- unicode_convert_uc(3)
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- unicode_convert_tocbuf_init(3)
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- unicode_compose(3)
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- unicode_locale_chset(3)
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- unicode_isspace(3)
- unicode_bidi_needs_embed(3)
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- unicode_islower(3)
- unicode_convert(3)
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- unicode::iso_8859_1(3)
- unicode_lb_end(3)
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- unicode::ucs_4(3)
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- unicode_u_ucs4_native(3)
- unicode::bidi_embed(3)
- unicode_bidi_bracket_type(3)
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apt-get install libcourier-unicode-dev
Manual
| UNICODE_GRAPHEME_BRE(3) | Courier Unicode Library | UNICODE_GRAPHEME_BRE(3) |
NAME
unicode_grapheme_break, unicode_grapheme_break_init, unicode_grapheme_break_next, unicode_grapheme_break_deinit - unicode grapheme cluster boundary rules
SYNOPSIS
#include <courier-unicode.h>
unicode_grapheme_break_info_t unicode_grapheme_break_init(void);
int unicode_grapheme_next(unicode_grapheme_break_info_t handle, char32_t c);
void unicode_grapheme_deinit(unicode_grapheme_break_info_t handle);
int unicode_grapheme_break(char32_t a, char32_t b);
DESCRIPTION
These functions implement the unicode grapheme cluster breaking algorithm. Invoke unicode_grapheme_break_init() to initialize the grapheme cluster breaking algorithm. unicode_grapheme_break_init() returns an opaque handle. Each subsequent call to unicode_grapheme_break_next() passes this handle, and the next character. unicode_grapheme_break_next() returns a non-0 value if there's a grapheme break before the character, in a sequence of Unicode characters. unicode_grapheme_break_deinit() releases all resources used by the grapheme breaking handle, and the unicode_grapheme_break_info_t handle is no longer valid after this call.
The first call to unicode_grapheme_break_next() always returns non-0, as per the GB1 rule.
unicode_grapheme_break() is a simplified interface that returns non-zero if there is a grapheme break between two unicode characters a and b. This is is equivalent to calling unicode_grapheme_break_init(), followed by two calls to unicode_grapheme_break_next(), and finally unicode_grapheme_break_deinit(), then returning the result of the second call to unicode_grapheme_break_next().
SEE ALSO
TR-29[1], courier-unicode(7), unicode_convert_tocase(3), unicode_line_break(3), unicode_word_break(3).
AUTHOR
Sam Varshavchik
NOTES
- 1.
- TR-29
| 05/18/2024 | Courier Unicode Library |