Annotation of mandoc/man_action.c, Revision 1.8
1.8 ! kristaps 1: /* $Id: man_action.c,v 1.7 2009/03/31 13:50:19 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 <errno.h>
23: #include <stdlib.h>
24: #include <string.h>
25:
26: #include "libman.h"
27:
1.3 kristaps 28: #ifdef __linux__
29: extern char *strptime(const char *, const char *, struct tm *);
30: #endif
1.1 kristaps 31:
32: struct actions {
33: int (*post)(struct man *);
34: };
35:
36:
1.2 kristaps 37: static int post_TH(struct man *);
1.5 kristaps 38: static time_t man_atotime(const char *);
1.2 kristaps 39:
1.1 kristaps 40: const struct actions man_actions[MAN_MAX] = {
41: { NULL }, /* __ */
1.2 kristaps 42: { post_TH }, /* TH */
1.1 kristaps 43: { NULL }, /* SH */
44: { NULL }, /* SS */
45: { NULL }, /* TP */
46: { NULL }, /* LP */
47: { NULL }, /* PP */
48: { NULL }, /* P */
49: { NULL }, /* IP */
50: { NULL }, /* HP */
51: { NULL }, /* SM */
52: { NULL }, /* SB */
53: { NULL }, /* BI */
54: { NULL }, /* IB */
55: { NULL }, /* BR */
56: { NULL }, /* RB */
57: { NULL }, /* R */
58: { NULL }, /* B */
59: { NULL }, /* I */
60: { NULL }, /* IR */
1.5 kristaps 61: { NULL }, /* RI */
1.6 kristaps 62: { NULL }, /* br */
1.8 ! kristaps 63: { NULL }, /* na */
1.1 kristaps 64: };
65:
66:
67: int
68: man_action_post(struct man *m)
69: {
70:
71: if (MAN_ACTED & m->last->flags)
72: return(1);
73: m->last->flags |= MAN_ACTED;
74:
75: switch (m->last->type) {
76: case (MAN_TEXT):
77: break;
78: case (MAN_ROOT):
79: break;
80: default:
81: if (NULL == man_actions[m->last->tok].post)
82: break;
83: return((*man_actions[m->last->tok].post)(m));
84: }
85: return(1);
86: }
87:
1.2 kristaps 88:
1.1 kristaps 89: static int
1.2 kristaps 90: post_TH(struct man *m)
1.1 kristaps 91: {
1.2 kristaps 92: struct man_node *n;
93: char *ep;
94: long lval;
1.1 kristaps 95:
96: if (m->meta.title)
97: free(m->meta.title);
98: if (m->meta.vol)
99: free(m->meta.vol);
1.2 kristaps 100: if (m->meta.source)
101: free(m->meta.source);
1.1 kristaps 102:
1.2 kristaps 103: m->meta.title = m->meta.vol = m->meta.source = NULL;
1.1 kristaps 104: m->meta.msec = 0;
1.2 kristaps 105: m->meta.date = 0;
106:
107: /* ->TITLE<- MSEC DATE SOURCE VOL */
108:
109: n = m->last->child;
110: assert(n);
1.1 kristaps 111:
1.2 kristaps 112: if (NULL == (m->meta.title = strdup(n->string)))
1.7 kristaps 113: return(man_verr(m, n->line, n->pos,
114: "memory exhausted"));
1.2 kristaps 115:
116: /* TITLE ->MSEC<- DATE SOURCE VOL */
1.1 kristaps 117:
1.2 kristaps 118: n = n->next;
119: assert(n);
1.1 kristaps 120:
1.2 kristaps 121: errno = 0;
122: lval = strtol(n->string, &ep, 10);
123: if (n->string[0] != '\0' && *ep == '\0')
124: m->meta.msec = (int)lval;
125: else if ( ! man_vwarn(m, n->line, n->pos, "invalid section"))
126: return(0);
1.1 kristaps 127:
1.2 kristaps 128: /* TITLE MSEC ->DATE<- SOURCE VOL */
1.1 kristaps 129:
1.5 kristaps 130: if (NULL == (n = n->next))
1.2 kristaps 131: m->meta.date = time(NULL);
1.5 kristaps 132: else if (0 == (m->meta.date = man_atotime(n->string))) {
1.2 kristaps 133: if ( ! man_vwarn(m, n->line, n->pos, "invalid date"))
134: return(0);
135: m->meta.date = time(NULL);
136: }
1.1 kristaps 137:
1.2 kristaps 138: /* TITLE MSEC DATE ->SOURCE<- VOL */
1.1 kristaps 139:
1.5 kristaps 140: if (n && (n = n->next))
1.2 kristaps 141: if (NULL == (m->meta.source = strdup(n->string)))
1.7 kristaps 142: return(man_verr(m, n->line, n->pos,
143: "memory exhausted"));
1.1 kristaps 144:
1.2 kristaps 145: /* TITLE MSEC DATE SOURCE ->VOL<- */
1.1 kristaps 146:
1.5 kristaps 147: if (n && (n = n->next))
1.2 kristaps 148: if (NULL == (m->meta.vol = strdup(n->string)))
1.7 kristaps 149: return(man_verr(m, n->line, n->pos,
150: "memory exhausted"));
1.1 kristaps 151:
152: /*
153: * The end document shouldn't have the prologue macros as part
154: * of the syntax tree (they encompass only meta-data).
155: */
156:
1.4 kristaps 157: if (m->last->parent->child == m->last) {
158: assert(MAN_ROOT == m->last->parent->type);
159: m->last->parent->child = NULL;
160: n = m->last;
161: m->last = m->last->parent;
162: m->next = MAN_NEXT_CHILD;
163: assert(m->last == m->first);
164: } else {
165: assert(m->last->prev);
166: m->last->prev->next = NULL;
167: n = m->last;
168: m->last = m->last->prev;
169: m->next = MAN_NEXT_SIBLING;
170: }
1.2 kristaps 171:
172: man_node_freelist(n);
173: return(1);
174: }
1.1 kristaps 175:
176:
1.2 kristaps 177: static time_t
178: man_atotime(const char *p)
179: {
180: struct tm tm;
181: char *pp;
182:
183: (void)memset(&tm, 0, sizeof(struct tm));
184:
185: if ((pp = strptime(p, "%b %d %Y", &tm)) && 0 == *pp)
186: return(mktime(&tm));
187: if ((pp = strptime(p, "%d %b %Y", &tm)) && 0 == *pp)
188: return(mktime(&tm));
189: if ((pp = strptime(p, "%b %d, %Y", &tm)) && 0 == *pp)
190: return(mktime(&tm));
191: if ((pp = strptime(p, "%b %Y", &tm)) && 0 == *pp)
192: return(mktime(&tm));
1.1 kristaps 193:
1.2 kristaps 194: return(0);
1.1 kristaps 195: }
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