432c4e18 |
1 | /* -*-c-*- |
2 | * |
3 | * $Id: qdparse.h,v 1.1 2004/03/27 17:54:12 mdw Exp $ |
4 | * |
5 | * Quick-and-dirty parser |
6 | * |
7 | * (c) 2004 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of Catacomb. |
13 | * |
14 | * Catacomb is free software; you can redistribute it and/or modify |
15 | * it under the terms of the GNU Library General Public License as |
16 | * published by the Free Software Foundation; either version 2 of the |
17 | * License, or (at your option) any later version. |
18 | * |
19 | * Catacomb is distributed in the hope that it will be useful, |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
22 | * GNU Library General Public License for more details. |
23 | * |
24 | * You should have received a copy of the GNU Library General Public |
25 | * License along with Catacomb; if not, write to the Free |
26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
27 | * MA 02111-1307, USA. |
28 | */ |
29 | |
30 | /*----- Revision history --------------------------------------------------* |
31 | * |
32 | * $Log: qdparse.h,v $ |
33 | * Revision 1.1 2004/03/27 17:54:12 mdw |
34 | * Standard curves and curve checking. |
35 | * |
36 | */ |
37 | |
38 | #ifndef CATACOMB_QDPARSE_H |
39 | #define CATACOMB_QDPARSE_H |
40 | |
41 | #ifdef __cplusplus |
42 | extern "C" { |
43 | #endif |
44 | |
45 | /*----- Header files ------------------------------------------------------*/ |
46 | |
47 | #ifndef CATACOMB_MP_H |
48 | # include "mp.h" |
49 | #endif |
50 | |
51 | /*----- Data structures ---------------------------------------------------*/ |
52 | |
53 | typedef struct qd_parse { |
54 | const char *p; /* Where we are right now */ |
55 | const char *e; /* Error string (output) */ |
56 | } qd_parse; |
57 | |
58 | /*----- Functions provided ------------------------------------------------*/ |
59 | |
60 | /* --- @qd_skipspc@ --- * |
61 | * |
62 | * Arguments: @qd_parse *qd@ = context |
63 | * |
64 | * Returns: --- |
65 | * |
66 | * Use: Skips spaces in the string. No errors. |
67 | */ |
68 | |
69 | extern void qd_skipspc(qd_parse */*qd*/); |
70 | |
71 | /* --- @qd_delim@ --- * |
72 | * |
73 | * Arguments: @qd_parse *qd@ = context |
74 | * @int ch@ = character to compare with |
75 | * |
76 | * Returns: Nonzero if it was, zero if it wasn't. |
77 | * |
78 | * Use: Checks the next (non-whitespace) character is what we |
79 | * expect. If it is, the character is eaten; otherwise it's no |
80 | * big deal. |
81 | */ |
82 | |
83 | extern int qd_delim(qd_parse */*qd*/, int /*ch*/); |
84 | |
85 | /* --- @qd_enum@ --- * |
86 | * |
87 | * Arguments: @qd_parse *qd@ = context |
88 | * @const char *e@ = list of enum strings, space separated |
89 | * |
90 | * Returns: Index of the string matched, or @-1@. |
91 | * |
92 | * Use: Matches a keyword. |
93 | */ |
94 | |
95 | extern int qd_enum(qd_parse */*qd*/, const char */*e*/); |
96 | |
97 | /* --- @qd_getmp@ --- * |
98 | * |
99 | * Arguments: @qd_parse *qd@ = context |
100 | * |
101 | * Returns: The integer extracted, or null. |
102 | * |
103 | * Use: Parses a multiprecision integer from a string. |
104 | */ |
105 | |
106 | extern mp *qd_getmp(qd_parse */*qd*/); |
107 | |
108 | /* --- @qd_eofp@ --- * |
109 | * |
110 | * Arguments: @qd_parse *qd@ = context |
111 | * |
112 | * Returns: Nonzero if at EOF, zero otherwise. |
113 | */ |
114 | |
115 | extern int qd_eofp(qd_parse */*qd*/); |
116 | |
117 | /*----- That's all, folks -------------------------------------------------*/ |
118 | |
119 | #ifdef __cplusplus |
120 | } |
121 | #endif |
122 | |
123 | #endif |