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/* fribidi-brackets.c - get bracketed character
*
* Copyright (C) 2004 Sharif FarsiWeb, Inc
* Copyright (C) 2001, 2002, 2004 Behdad Esfahbod
* Copyright (C) 1999, 2000, 2017 Dov Grobgeld
*
* This file is part of GNU FriBidi.
*
* GNU FriBidi 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.
*
* GNU FriBidi 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 GNU FriBidi; 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> or write to
* Sharif FarsiWeb, Inc., PO Box 13445-389, Tehran, Iran.
*/
/*
* Author(s):
* Behdad Esfahbod, 2001, 2002, 2004
* Dov Grobgeld, 1999, 2000, 2017
*/
#include "common.h"
#include <fribidi-brackets.h>
#include "brackets.tab.i"
#include "brackets-type.tab.i"
#include <stdio.h>
#define FRIBIDI_TYPE_BRACKET_OPEN 2
FRIBIDI_ENTRY FriBidiBracketType
fribidi_get_bracket (
/* input */
FriBidiChar ch
)
{
FriBidiBracketType bracket_type;
register fribidi_uint8 char_type;
/* The bracket type from the table may be:
0 - Not a bracket
1 - a bracket
2 - closing.
This will be recodeded into the FriBidiBracketType as having a
bracket_id = 0 if the character is not a bracket.
*/
char_type = FRIBIDI_GET_BRACKET_TYPE (ch);
fribidi_boolean is_open = false;
if (char_type == 0)
bracket_type = FRIBIDI_NO_BRACKET;
else
{
is_open = (char_type & FRIBIDI_TYPE_BRACKET_OPEN) != 0;
bracket_type = FRIBIDI_GET_BRACKETS (ch) & FRIBIDI_BRACKET_ID_MASK;
}
if (is_open)
bracket_type |= FRIBIDI_BRACKET_OPEN_MASK;
return bracket_type;
}
FRIBIDI_ENTRY void
fribidi_get_bracket_types (
/* input */
const FriBidiChar *str,
const FriBidiStrIndex len,
const FriBidiCharType *types,
/* output */
FriBidiBracketType *btypes
)
{
register FriBidiStrIndex i = len;
for (; i; i--)
{
/* Optimization that bracket must be of types ON */
if (types[i] == FRIBIDI_TYPE_ON)
*btypes = fribidi_get_bracket (*str);
else
{
const FriBidiBracketType NoBracket = FRIBIDI_NO_BRACKET;
*btypes = NoBracket;
}
btypes++;
str++;
}
}
/* Editor directions:
* Local Variables:
* mode: c
* c-basic-offset: 2
* indent-tabs-mode: t
* tab-width: 8
* End:
* vim: textwidth=78: autoindent: cindent: shiftwidth=2: tabstop=8:
*/
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