Mercurial > hg > octave-lyh > gnulib-hg
changeset 9055:4abfac11855b
New module 'uniwidth/base'.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 07 Jul 2007 16:15:17 +0000 |
parents | 5599181b9e10 |
children | a6642d9cdf84 |
files | ChangeLog lib/uniwidth.h modules/uniwidth/base |
diffstat | 3 files changed, 94 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2007-07-07 Bruno Haible <bruno@clisp.org> + + * lib/uniwidth.h: New file, from GNU libiconv. + * modules/uniwidth/base: New file. + 2007-07-07 Bruno Haible <bruno@clisp.org> * lib/uniname.h: New file, from GNU gettext.
new file mode 100644 --- /dev/null +++ b/lib/uniwidth.h @@ -0,0 +1,66 @@ +/* Display width functions. + Copyright (C) 2001-2002, 2005, 2007 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU Library General Public License as published + by the Free Software Foundation; either version 2, 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + USA. */ + +#ifndef _UNIWIDTH_H +#define _UNIWIDTH_H + +#include "unitypes.h" + +/* Get size_t. */ +#include <stddef.h> + +/* Get locale_charset() declaration. */ +#include "localcharset.h" + +#ifdef __cplusplus +extern "C" { +#endif + + +/* Display width. */ + +/* These functions are locale dependent. The encoding argument identifies + the encoding (e.g. "ISO-8859-2" for Polish). */ + +/* Determine number of column positions required for UC. */ +extern int + uc_width (ucs4_t uc, const char *encoding); + +/* Determine number of column positions required for first N units + (or fewer if S ends before this) in S. */ +extern int + u8_width (const uint8_t *s, size_t n, const char *encoding); +extern int + u16_width (const uint16_t *s, size_t n, const char *encoding); +extern int + u32_width (const uint32_t *s, size_t n, const char *encoding); + +/* Determine number of column positions required for S. */ +extern int + u8_strwidth (const uint8_t *s, const char *encoding); +extern int + u16_strwidth (const uint16_t *s, const char *encoding); +extern int + u32_strwidth (const uint32_t *s, const char *encoding); + + +#ifdef __cplusplus +} +#endif + +#endif /* _UNIWIDTH_H */
new file mode 100644 --- /dev/null +++ b/modules/uniwidth/base @@ -0,0 +1,23 @@ +Description: +Base layer for Unicode string width. + +Files: +lib/uniwidth.h +lib/localcharset.h + +Depends-on: +unitypes + +configure.ac: + +Makefile.am: + +Include: +"uniwidth.h" + +License: +LGPL + +Maintainer: +Bruno Haible +