1 /* Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper, <drepper@gnu.org>.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
21 #define _LINEREADER_H 1
30 #include "locfile-token.h"
31 #include "repertoire.h"
34 typedef const struct keyword_t
*(*kw_hash_fct_t
) (const char *, unsigned int);
50 unsigned long int num
;
53 /* This element is sized on the safe expectation that no single
54 character in any character set uses more then 16 bytes. */
55 unsigned char bytes
[16];
79 int translate_strings
;
82 kw_hash_fct_t hash_fct
;
86 /* Functions defined in linereader.c. */
87 extern struct linereader
*lr_open (const char *fname
, kw_hash_fct_t hf
);
88 extern struct linereader
*lr_create (FILE *fp
, const char *fname
, kw_hash_fct_t hf
);
89 extern int lr_eof (struct linereader
*lr
);
90 extern void lr_close (struct linereader
*lr
);
91 extern int lr_next (struct linereader
*lr
);
92 extern struct token
*lr_token (struct linereader
*lr
,
93 const struct charmap_t
*charmap
,
94 const struct repertoire_t
*repertoire
,
98 #define lr_error(lr, fmt, args...) \
99 error_at_line (0, 0, lr->fname, lr->lineno, fmt, ## args)
104 lr_getc (struct linereader
*lr
)
106 if (lr
->idx
== lr
->bufact
)
109 if (lr_next (lr
) < 0)
116 return lr
->buf
[lr
->idx
] == '\32' ? EOF
: lr
->buf
[lr
->idx
++];
121 lr_ungetc (struct linereader
*lr
, int ch
)
127 lr
->buf
[--lr
->idx
] = ch
;
133 lr_ungetn (struct linereader
*lr
, size_t n
)
144 lr_ignore_rest (struct linereader
*lr
, int verbose
)
148 while (isspace (lr
->buf
[lr
->idx
]) && lr
->buf
[lr
->idx
] != '\n'
149 && lr
->buf
[lr
->idx
] != lr
->comment_char
)
150 if (lr
->buf
[lr
->idx
] == '\0')
152 if (lr_next (lr
) < 0)
158 if (lr
->buf
[lr
->idx
] != '\n' && ! feof (lr
->fp
)
159 && lr
->buf
[lr
->idx
] != lr
->comment_char
)
160 lr_error (lr
, _("trailing garbage at end of line"));
163 /* Ignore continued line. */
164 while (lr
->bufact
> 0 && lr
->buf
[lr
->bufact
- 1] != '\n')
165 if (lr_next (lr
) < 0)
168 lr
->idx
= lr
->bufact
;
172 #endif /* linereader.h */