Annotation of mandoc/mandoc.c, Revision 1.2
1.2 ! kristaps 1: /* $Id: mandoc.c,v 1.1 2009/07/04 09:01:55 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
1.2 ! kristaps 17: #include <sys/types.h>
! 18:
1.1 kristaps 19: #include <assert.h>
20: #include <ctype.h>
21: #include <stdlib.h>
22:
23: #include "libmandoc.h"
24:
25: int
26: mandoc_special(const char *p)
27: {
28: int c;
29:
30: if ('\\' != *p++)
31: return(0);
32:
33: switch (*p) {
34: case ('\\'):
35: /* FALLTHROUGH */
36: case ('\''):
37: /* FALLTHROUGH */
38: case ('`'):
39: /* FALLTHROUGH */
40: case ('q'):
41: /* FALLTHROUGH */
42: case ('-'):
43: /* FALLTHROUGH */
44: case ('~'):
45: /* FALLTHROUGH */
46: case ('^'):
47: /* FALLTHROUGH */
48: case ('%'):
49: /* FALLTHROUGH */
50: case ('0'):
51: /* FALLTHROUGH */
52: case (' '):
53: /* FALLTHROUGH */
54: case ('|'):
55: /* FALLTHROUGH */
56: case ('&'):
57: /* FALLTHROUGH */
58: case ('.'):
59: /* FALLTHROUGH */
60: case (':'):
61: /* FALLTHROUGH */
62: case ('e'):
63: return(2);
64: case ('f'):
65: if (0 == *++p || ! isgraph((u_char)*p))
66: return(0);
67: return(3);
68: case ('*'):
69: if (0 == *++p || ! isgraph((u_char)*p))
70: return(0);
71: switch (*p) {
72: case ('('):
73: if (0 == *++p || ! isgraph((u_char)*p))
74: return(0);
75: return(4);
76: case ('['):
77: for (c = 3, p++; *p && ']' != *p; p++, c++)
78: if ( ! isgraph((u_char)*p))
79: break;
80: return(*p == ']' ? c : 0);
81: default:
82: break;
83: }
84: return(3);
85: case ('('):
86: if (0 == *++p || ! isgraph((u_char)*p))
87: return(0);
88: if (0 == *++p || ! isgraph((u_char)*p))
89: return(0);
90: return(4);
91: case ('['):
92: break;
93: default:
94: return(0);
95: }
96:
97: for (c = 3, p++; *p && ']' != *p; p++, c++)
98: if ( ! isgraph((u_char)*p))
99: break;
100:
101: return(*p == ']' ? c : 0);
102: }
103:
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