Annotation of mandoc/man_action.c, Revision 1.3
1.3 ! kristaps 1: /* $Id: man_action.c,v 1.2 2009/03/25 16:07:36 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
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
7: * above copyright notice and this permission notice appear in all
8: * copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11: * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12: * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13: * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14: * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15: * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16: * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17: * PERFORMANCE OF THIS SOFTWARE.
18: */
19: #include <sys/utsname.h>
20:
21: #include <assert.h>
22: #include <err.h>
23: #include <errno.h>
24: #include <stdio.h>
25: #include <stdlib.h>
26: #include <string.h>
27:
28: #include "libman.h"
29:
1.3 ! kristaps 30: #ifdef __linux__
! 31: extern char *strptime(const char *, const char *, struct tm *);
! 32: #endif
1.1 kristaps 33:
34: struct actions {
35: int (*post)(struct man *);
36: };
37:
38:
1.2 kristaps 39: static int post_TH(struct man *);
40: static time_t man_atotime(const char *);
41:
1.1 kristaps 42: const struct actions man_actions[MAN_MAX] = {
43: { NULL }, /* __ */
1.2 kristaps 44: { post_TH }, /* TH */
1.1 kristaps 45: { NULL }, /* SH */
46: { NULL }, /* SS */
47: { NULL }, /* TP */
48: { NULL }, /* LP */
49: { NULL }, /* PP */
50: { NULL }, /* P */
51: { NULL }, /* IP */
52: { NULL }, /* HP */
53: { NULL }, /* SM */
54: { NULL }, /* SB */
55: { NULL }, /* BI */
56: { NULL }, /* IB */
57: { NULL }, /* BR */
58: { NULL }, /* RB */
59: { NULL }, /* R */
60: { NULL }, /* B */
61: { NULL }, /* I */
62: { NULL }, /* IR */
63: };
64:
65:
66: int
67: man_action_post(struct man *m)
68: {
69:
70: if (MAN_ACTED & m->last->flags)
71: return(1);
72: m->last->flags |= MAN_ACTED;
73:
74: switch (m->last->type) {
75: case (MAN_TEXT):
76: break;
77: case (MAN_ROOT):
78: break;
79: default:
80: if (NULL == man_actions[m->last->tok].post)
81: break;
82: return((*man_actions[m->last->tok].post)(m));
83: }
84: return(1);
85: }
86:
1.2 kristaps 87:
1.1 kristaps 88: static int
1.2 kristaps 89: post_TH(struct man *m)
1.1 kristaps 90: {
1.2 kristaps 91: struct man_node *n;
92: char *ep;
93: long lval;
1.1 kristaps 94:
95: if (m->meta.title)
96: free(m->meta.title);
97: if (m->meta.vol)
98: free(m->meta.vol);
1.2 kristaps 99: if (m->meta.source)
100: free(m->meta.source);
1.1 kristaps 101:
1.2 kristaps 102: m->meta.title = m->meta.vol = m->meta.source = NULL;
1.1 kristaps 103: m->meta.msec = 0;
1.2 kristaps 104: m->meta.date = 0;
105:
106: /* ->TITLE<- MSEC DATE SOURCE VOL */
107:
108: n = m->last->child;
109: assert(n);
1.1 kristaps 110:
1.2 kristaps 111: if (NULL == (m->meta.title = strdup(n->string)))
112: return(man_verr(m, n->line, n->pos, "malloc"));
113:
114: /* TITLE ->MSEC<- DATE SOURCE VOL */
1.1 kristaps 115:
1.2 kristaps 116: n = n->next;
117: assert(n);
1.1 kristaps 118:
1.2 kristaps 119: errno = 0;
120: lval = strtol(n->string, &ep, 10);
121: if (n->string[0] != '\0' && *ep == '\0')
122: m->meta.msec = (int)lval;
123: else if ( ! man_vwarn(m, n->line, n->pos, "invalid section"))
124: return(0);
1.1 kristaps 125:
1.2 kristaps 126: /* TITLE MSEC ->DATE<- SOURCE VOL */
1.1 kristaps 127:
128: if (NULL == (n = n->next)) {
1.2 kristaps 129: m->meta.date = time(NULL);
130: return(1);
1.1 kristaps 131: }
132:
1.2 kristaps 133: if (0 == (m->meta.date = man_atotime(n->string))) {
134: if ( ! man_vwarn(m, n->line, n->pos, "invalid date"))
135: return(0);
136: m->meta.date = time(NULL);
137: }
1.1 kristaps 138:
1.2 kristaps 139: /* TITLE MSEC DATE ->SOURCE<- VOL */
1.1 kristaps 140:
1.2 kristaps 141: if ((n = n->next))
142: if (NULL == (m->meta.source = strdup(n->string)))
143: return(man_verr(m, n->line, n->pos, "malloc"));
1.1 kristaps 144:
1.2 kristaps 145: /* TITLE MSEC DATE SOURCE ->VOL<- */
1.1 kristaps 146:
1.2 kristaps 147: if ((n = n->next))
148: if (NULL == (m->meta.vol = strdup(n->string)))
149: return(man_verr(m, n->line, n->pos, "malloc"));
1.1 kristaps 150:
151: /*
152: * The end document shouldn't have the prologue macros as part
153: * of the syntax tree (they encompass only meta-data).
154: */
155:
1.2 kristaps 156: assert(MAN_ROOT == m->last->parent->type);
157: m->last->parent->child = NULL;
158: n = m->last;
159: m->last = m->last->parent;
160: m->next = MAN_NEXT_CHILD;
161: assert(m->last == m->first);
162:
163: man_node_freelist(n);
164: return(1);
165: }
1.1 kristaps 166:
167:
1.2 kristaps 168: static time_t
169: man_atotime(const char *p)
170: {
171: struct tm tm;
172: char *pp;
173:
174: (void)memset(&tm, 0, sizeof(struct tm));
175:
176: if ((pp = strptime(p, "%b %d %Y", &tm)) && 0 == *pp)
177: return(mktime(&tm));
178: if ((pp = strptime(p, "%d %b %Y", &tm)) && 0 == *pp)
179: return(mktime(&tm));
180: if ((pp = strptime(p, "%b %d, %Y", &tm)) && 0 == *pp)
181: return(mktime(&tm));
182: if ((pp = strptime(p, "%b %Y", &tm)) && 0 == *pp)
183: return(mktime(&tm));
1.1 kristaps 184:
1.2 kristaps 185: return(0);
1.1 kristaps 186: }
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