summaryrefslogtreecommitdiff
path: root/pango2/pango-script-private.h
blob: 06c84b652b8131934fd31c7e237a340afc579ec7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
/*
 * Copyright (C) 2002 Red Hat Software
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
 *
 * 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; if not, see <http://www.gnu.org/licenses/>.
 */

#pragma once


#define PAREN_STACK_DEPTH 128

typedef struct _ParenStackEntry ParenStackEntry;

struct _ParenStackEntry
{
  int pair_index;
  GUnicodeScript script_code;
};

struct _Pango2ScriptIter
{
  const char *text_start;
  const char *text_end;

  const char *script_start;
  const char *script_end;
  GUnicodeScript script_code;

  ParenStackEntry paren_stack[PAREN_STACK_DEPTH];
  int paren_sp;
};

Pango2ScriptIter *
_pango2_script_iter_init (Pango2ScriptIter *iter,
                          const char       *text,
                          int               length);

void
_pango2_script_iter_fini (Pango2ScriptIter *iter);