awtk/3rd/fribidi/fribidi-joining-types.c
2020-07-09 17:05:21 +08:00

113 lines
2.7 KiB
C

/* FriBidi
* fribidi-joining-types.c - character joining types
*
* Authors:
* Behdad Esfahbod, 2001, 2002, 2004
*
* Copyright (C) 2004 Sharif FarsiWeb, Inc.
* Copyright (C) 2001,2002 Behdad Esfahbod
*
* This 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 2.1 of the License, or (at your option) any later version.
*
* This 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 this library, in a file named COPYING; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA
*
* For licensing issues, contact <fribidi.license@gmail.com>.
*/
#include "common.h"
#include <fribidi-joining-types.h>
#include "joining-types.h"
enum FriBidiJoiningTypeShortEnum
{
# define _FRIBIDI_ADD_TYPE(TYPE,SYMBOL) TYPE = FRIBIDI_JOINING_TYPE_##TYPE,
# include "fribidi-joining-types-list.h"
# undef _FRIBIDI_ADD_TYPE
_FRIBIDI_NUM_TYPES
};
#include "joining-type.tab.i"
FRIBIDI_ENTRY FriBidiJoiningType
fribidi_get_joining_type (
/* input */
FriBidiChar ch
)
{
return FRIBIDI_GET_JOINING_TYPE (ch);
}
FRIBIDI_ENTRY void
fribidi_get_joining_types (
/* input */
const FriBidiChar *str,
const FriBidiStrIndex len,
/* output */
FriBidiJoiningType *jtypes
)
{
register FriBidiStrIndex i = len;
for (; i; i--)
{
*jtypes++ = FRIBIDI_GET_JOINING_TYPE (*str);
str++;
}
}
FRIBIDI_ENTRY const char *
fribidi_get_joining_type_name (
/* input */
FriBidiJoiningType j
)
{
switch (j)
{
# define _FRIBIDI_ADD_TYPE(TYPE,SYMBOL) case FRIBIDI_JOINING_TYPE_##TYPE: return STRINGIZE(TYPE);
# include "fribidi-joining-types-list.h"
# undef _FRIBIDI_ADD_TYPE
default:
return "?";
}
}
#ifdef DEBUG
char
fribidi_char_from_joining_type (
/* input */
FriBidiJoiningType j,
fribidi_boolean visual
)
{
/* switch left and right if on visual run */
if (visual & ((FRIBIDI_JOINS_RIGHT (j) && !FRIBIDI_JOINS_LEFT (j)) |
(!FRIBIDI_JOINS_RIGHT (j) && FRIBIDI_JOINS_LEFT (j))))
j ^= FRIBIDI_MASK_JOINS_RIGHT | FRIBIDI_MASK_JOINS_LEFT;
# define _FRIBIDI_ADD_TYPE(TYPE,SYMBOL) \
if (FRIBIDI_IS_JOINING_TYPE_##TYPE(j)) return SYMBOL;
# include "fribidi-joining-types-list.h"
# undef _FRIBIDI_ADD_TYPE
return '?';
}
#endif /* DEBUG */
/* Editor directions:
* vim:textwidth=78:tabstop=8:shiftwidth=2:autoindent:cindent
*/