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Theodore Ts'ob0cacab2004-11-30 19:00:19 -05001/* Parse printf format string.
2 Copyright (C) 1999, 2002-2003 Free Software Foundation, Inc.
3
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU Library General Public License as published
6 by the Free Software Foundation; either version 2, or (at your option)
7 any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Library General Public
15 License along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
17 USA. */
18
19#ifndef _WPRINTF_PARSE_H
20#define _WPRINTF_PARSE_H
21
22#include "printf-args.h"
23
24
25/* Flags */
26#define FLAG_GROUP 1 /* ' flag */
27#define FLAG_LEFT 2 /* - flag */
28#define FLAG_SHOWSIGN 4 /* + flag */
29#define FLAG_SPACE 8 /* space flag */
30#define FLAG_ALT 16 /* # flag */
31#define FLAG_ZERO 32
32
33/* arg_index value indicating that no argument is consumed. */
34#define ARG_NONE (~(size_t)0)
35
36/* A parsed directive. */
37typedef struct
38{
39 const wchar_t* dir_start;
40 const wchar_t* dir_end;
41 int flags;
42 const wchar_t* width_start;
43 const wchar_t* width_end;
44 size_t width_arg_index;
45 const wchar_t* precision_start;
46 const wchar_t* precision_end;
47 size_t precision_arg_index;
48 wchar_t conversion; /* d i o u x X f e E g G c s p n U % but not C S */
49 size_t arg_index;
50}
51wchar_t_directive;
52
53/* A parsed format string. */
54typedef struct
55{
56 size_t count;
57 wchar_t_directive *dir;
58 size_t max_width_length;
59 size_t max_precision_length;
60}
61wchar_t_directives;
62
63
64/* Parses the format string. Fills in the number N of directives, and fills
65 in directives[0], ..., directives[N-1], and sets directives[N].dir_start
66 to the end of the format string. Also fills in the arg_type fields of the
67 arguments and the needed count of arguments. */
68#ifdef STATIC
69STATIC
70#else
71extern
72#endif
73int wprintf_parse (const wchar_t *format, wchar_t_directives *d, arguments *a);
74
75#endif /* _WPRINTF_PARSE_H */