glib/gunibreak.c
Havoc Pennington 4eab875811 docs
2001-04-16  Havoc Pennington  <hp@redhat.com>

        * gqsort.c: docs

        * gfileutils.c: docs

        * gwin32.c: docs fixes

        * gconvert.c: docs

        * guniprop.c: docs

        * gutf8.c: docs
2001-04-16 20:05:25 +00:00

56 lines
1.9 KiB
C

/* gunibreak.c - line break properties
*
* Copyright 2000 Red Hat, Inc.
*
* The Gnome Library 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 2 of the
* License, or (at your option) any later version.
*
* The Gnome Library 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 the Gnome Library; see the file COPYING.LIB. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "glib.h"
#include "gunibreak.h"
#include <config.h>
#include <stdlib.h>
/* We cheat a bit and cast type values to (char *). We detect these
using the &0xff trick. */
#define TPROP(Page, Char) \
(((GPOINTER_TO_INT(break_property_table[Page]) & 0xff) == GPOINTER_TO_INT(break_property_table[Page])) \
? GPOINTER_TO_INT(break_property_table[Page]) \
: (break_property_table[Page][Char]))
#define PROP(Char) (((Char) > (G_UNICODE_LAST_CHAR)) ? G_UNICODE_UNASSIGNED : TPROP ((Char) >> 8, (Char) & 0xff))
/**
* g_unichar_break_type:
* @c: a Unicode character
*
* Determines the break type of @c. @c should be a Unicode character
* (to derive a character from UTF-8 encoded text, use
* g_utf8_get_char()). The break type is used to find word and line
* breaks ("text boundaries"), Pango implements the Unicode boundary
* resolution alogorithms and normally you would use a function such
* as pango_break() instead of caring about break types yourself.
*
* Return value: break type
**/
GUnicodeBreakType
g_unichar_break_type (gunichar c)
{
return PROP (c);
}