1 /* linebreak.h - line breaking of Unicode strings
2 Copyright (C) 2001-2003, 2006-2007 Free Software Foundation, Inc.
3 Written by Bruno Haible <haible@clisp.cons.org>, 2001.
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
40 /* Determine the line break points in S, and store the result at p[0..n-1].
41 p[i] = UC_BREAK_MANDATORY means that s[i] is a line break character.
42 p[i] = UC_BREAK_POSSIBLE means that a line break may be inserted between
44 p[i] = UC_BREAK_HYPHENATION means that a hyphen and a line break may be
45 inserted between s[i-1] and s[i]. But beware of language dependent
47 p[i] = UC_BREAK_PROHIBITED means that s[i-1] and s[i] must not be separated.
49 extern void u8_possible_linebreaks (const unsigned char *s, size_t n,
52 extern void u16_possible_linebreaks (const unsigned short *s, size_t n,
55 extern void u32_possible_linebreaks (const unsigned int *s, size_t n,
58 extern void mbs_possible_linebreaks (const char *s, size_t n,
62 /* Choose the best line breaks, assuming the uc_width function.
63 Return the column after the end of the string.
64 o is an optional override; if o[i] != UC_BREAK_UNDEFINED, o[i] takes
65 precedence over p[i] as returned by the *_possible_linebreaks function.
68 u8_width_linebreaks (const unsigned char *s, size_t n,
69 int width, int start_column, int at_end_columns,
70 const char *o, const char *encoding,
73 u16_width_linebreaks (const unsigned short *s, size_t n,
74 int width, int start_column, int at_end_columns,
75 const char *o, const char *encoding,
78 u32_width_linebreaks (const unsigned int *s, size_t n,
79 int width, int start_column, int at_end_columns,
80 const char *o, const char *encoding,
83 mbs_width_linebreaks (const char *s, size_t n,
84 int width, int start_column, int at_end_columns,
85 const char *o, const char *encoding,
94 #endif /* _LINEBREAK_H */