3 /* nettle, low-level cryptographics library
5 * Copyright (C) 2002, 2003 Niels Möller
7 * The nettle library is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU Lesser General Public License as published by
9 * the Free Software Foundation; either version 2.1 of the License, or (at your
10 * option) any later version.
12 * The nettle library is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
15 * License for more details.
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with the nettle library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
23 #ifndef NETTLE_TOOLS_INPUT_H_INCLUDED
24 #define NETTLE_TOOLS_INPUT_H_INCLUDED
31 #include "nettle-meta.h"
35 /* Special marks in the input stream */
39 SEXP_EOF_CHAR, SEXP_END_CHAR,
46 /* Character stream, consisting of ordinary characters,
47 * SEXP_EOF_CHAR, and SEXP_END_CHAR. */
48 enum sexp_char_type ctype;
51 const struct nettle_armor *coding;
54 struct base64_decode_ctx base64;
55 struct base16_decode_ctx hex;
58 /* Terminator for current coding */
61 /* Type of current token */
62 enum sexp_token token;
66 sexp_input_init(struct sexp_input *input, FILE *f);
69 sexp_get_char(struct sexp_input *input);
72 sexp_get_token(struct sexp_input *input, enum sexp_mode mode,
73 struct nettle_buffer *string);
76 #endif /* NETTLE_TOOLS_INPUT_H_INCLUDED */