diff options
Diffstat (limited to 'lib/uniwbrk/u8-wordbreaks.c')
-rw-r--r-- | lib/uniwbrk/u8-wordbreaks.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/lib/uniwbrk/u8-wordbreaks.c b/lib/uniwbrk/u8-wordbreaks.c new file mode 100644 index 00000000..59d2076d --- /dev/null +++ b/lib/uniwbrk/u8-wordbreaks.c @@ -0,0 +1,124 @@ +/* Word breaks in UTF-8 strings. + Copyright (C) 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/>. */ + +#include <config.h> + +/* Specification. */ +#include "uniwbrk.h" + +#include <string.h> + +#include "unistr.h" +#include "uniwbrk/wbrktable.h" + +#define FUNC u8_wordbreaks +#define UNIT uint8_t +#define U_MBTOUC_UNSAFE u8_mbtouc_unsafe +#include "u-wordbreaks.h" + + +#ifdef TEST + +#include <stdio.h> +#include <stdlib.h> + +/* Read the contents of an input stream, and return it, terminated with a NUL + byte. */ +char * +read_file (FILE *stream) +{ +#define BUFSIZE 4096 + char *buf = NULL; + int alloc = 0; + int size = 0; + int count; + + while (! feof (stream)) + { + if (size + BUFSIZE > alloc) + { + alloc = alloc + alloc / 2; + if (alloc < size + BUFSIZE) + alloc = size + BUFSIZE; + buf = realloc (buf, alloc); + if (buf == NULL) + { + fprintf (stderr, "out of memory\n"); + exit (1); + } + } + count = fread (buf + size, 1, BUFSIZE, stream); + if (count == 0) + { + if (ferror (stream)) + { + perror ("fread"); + exit (1); + } + } + else + size += count; + } + buf = realloc (buf, size + 1); + if (buf == NULL) + { + fprintf (stderr, "out of memory\n"); + exit (1); + } + buf[size] = '\0'; + return buf; +#undef BUFSIZE +} + +int +main (int argc, char * argv[]) +{ + if (argc == 1) + { + /* Display all the word breaks in the input string. */ + char *input = read_file (stdin); + int length = strlen (input); + char *breaks = malloc (length); + int i; + + u8_wordbreaks ((uint8_t *) input, length, breaks); + + for (i = 0; i < length; i++) + { + switch (breaks[i]) + { + case 1: + /* U+2027 in UTF-8 encoding */ + putc (0xe2, stdout); putc (0x80, stdout); putc (0xa7, stdout); + break; + case 0: + break; + default: + abort (); + } + putc (input[i], stdout); + } + + free (breaks); + + return 0; + } + else + return 1; +} + +#endif /* TEST */ |