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Diffstat (limited to 'lib/uniwbrk.h')
-rw-r--r-- | lib/uniwbrk.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/lib/uniwbrk.h b/lib/uniwbrk.h new file mode 100644 index 00000000..c6ad971e --- /dev/null +++ b/lib/uniwbrk.h @@ -0,0 +1,83 @@ +/* Word breaks in Unicode strings. + Copyright (C) 2001-2003, 2005-2009 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2009. + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#ifndef _UNIWBRK_H +#define _UNIWBRK_H + +/* Get size_t. */ +#include <stddef.h> + +#include "unitypes.h" + + +#ifdef __cplusplus +extern "C" { +#endif + +/* ========================================================================= */ + +/* Property defined in Unicode Standard Annex #29, section "Word Boundaries" + <http://www.unicode.org/reports/tr29/#Word_Boundaries> */ + +/* Possible values of the Word_Break property. + This enumeration may be extended in the future. */ +enum +{ + WBP_OTHER = 0, + WBP_CR = 11, + WBP_LF = 12, + WBP_NEWLINE = 10, + WBP_EXTEND = 8, + WBP_FORMAT = 9, + WBP_KATAKANA = 1, + WBP_ALETTER = 2, + WBP_MIDNUMLET = 3, + WBP_MIDLETTER = 4, + WBP_MIDNUM = 5, + WBP_NUMERIC = 6, + WBP_EXTENDNUMLET = 7 +}; + +/* Return the Word_Break property of a Unicode character. */ +extern int + uc_wordbreak_property (ucs4_t uc); + +/* ========================================================================= */ + +/* Word breaks. */ + +/* Determine the word break points in S, and store the result at p[0..n-1]. + p[i] = 1 means that there is a word boundary between s[i-1] and s[i]. + p[i] = 0 means that s[i-1] and s[i] must not be separated. + */ +extern void + u8_wordbreaks (const uint8_t *s, size_t n, char *p); +extern void + u16_wordbreaks (const uint16_t *s, size_t n, char *p); +extern void + u32_wordbreaks (const uint32_t *s, size_t n, char *p); +extern void + ulc_wordbreaks (const char *s, size_t n, char *p); + +/* ========================================================================= */ + +#ifdef __cplusplus +} +#endif + + +#endif /* _UNIWBRK_H */ |