Annotation of mandoc/man_action.c, Revision 1.12
1.12 ! kristaps 1: /* $Id: man_action.c,v 1.11 2009/06/10 20:18:43 kristaps Exp $ */
1.1 kristaps 2: /*
1.11 kristaps 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.10 kristaps 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.10 kristaps 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.
1.1 kristaps 16: */
17: #include <sys/utsname.h>
18:
19: #include <assert.h>
20: #include <errno.h>
21: #include <stdlib.h>
22: #include <string.h>
23:
24: #include "libman.h"
25:
1.3 kristaps 26: #ifdef __linux__
27: extern char *strptime(const char *, const char *, struct tm *);
28: #endif
1.1 kristaps 29:
30: struct actions {
31: int (*post)(struct man *);
32: };
33:
34:
1.2 kristaps 35: static int post_TH(struct man *);
1.5 kristaps 36: static time_t man_atotime(const char *);
1.2 kristaps 37:
1.1 kristaps 38: const struct actions man_actions[MAN_MAX] = {
1.12 ! kristaps 39: { NULL }, /* br */
1.2 kristaps 40: { post_TH }, /* TH */
1.1 kristaps 41: { NULL }, /* SH */
42: { NULL }, /* SS */
43: { NULL }, /* TP */
44: { NULL }, /* LP */
45: { NULL }, /* PP */
46: { NULL }, /* P */
47: { NULL }, /* IP */
48: { NULL }, /* HP */
49: { NULL }, /* SM */
50: { NULL }, /* SB */
51: { NULL }, /* BI */
52: { NULL }, /* IB */
53: { NULL }, /* BR */
54: { NULL }, /* RB */
55: { NULL }, /* R */
56: { NULL }, /* B */
57: { NULL }, /* I */
58: { NULL }, /* IR */
1.5 kristaps 59: { NULL }, /* RI */
1.8 kristaps 60: { NULL }, /* na */
1.9 kristaps 61: { NULL }, /* i */
1.1 kristaps 62: };
63:
64:
65: int
66: man_action_post(struct man *m)
67: {
68:
69: if (MAN_ACTED & m->last->flags)
70: return(1);
71: m->last->flags |= MAN_ACTED;
72:
73: switch (m->last->type) {
74: case (MAN_TEXT):
75: break;
76: case (MAN_ROOT):
77: break;
78: default:
79: if (NULL == man_actions[m->last->tok].post)
80: break;
81: return((*man_actions[m->last->tok].post)(m));
82: }
83: return(1);
84: }
85:
1.2 kristaps 86:
1.1 kristaps 87: static int
1.2 kristaps 88: post_TH(struct man *m)
1.1 kristaps 89: {
1.2 kristaps 90: struct man_node *n;
91: char *ep;
92: long lval;
1.1 kristaps 93:
94: if (m->meta.title)
95: free(m->meta.title);
96: if (m->meta.vol)
97: free(m->meta.vol);
1.2 kristaps 98: if (m->meta.source)
99: free(m->meta.source);
1.1 kristaps 100:
1.2 kristaps 101: m->meta.title = m->meta.vol = m->meta.source = NULL;
1.1 kristaps 102: m->meta.msec = 0;
1.2 kristaps 103: m->meta.date = 0;
104:
105: /* ->TITLE<- MSEC DATE SOURCE VOL */
106:
107: n = m->last->child;
108: assert(n);
1.1 kristaps 109:
1.2 kristaps 110: if (NULL == (m->meta.title = strdup(n->string)))
1.7 kristaps 111: return(man_verr(m, n->line, n->pos,
112: "memory exhausted"));
1.2 kristaps 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:
1.5 kristaps 128: if (NULL == (n = n->next))
1.2 kristaps 129: m->meta.date = time(NULL);
1.5 kristaps 130: else if (0 == (m->meta.date = man_atotime(n->string))) {
1.2 kristaps 131: if ( ! man_vwarn(m, n->line, n->pos, "invalid date"))
132: return(0);
133: m->meta.date = time(NULL);
134: }
1.1 kristaps 135:
1.2 kristaps 136: /* TITLE MSEC DATE ->SOURCE<- VOL */
1.1 kristaps 137:
1.5 kristaps 138: if (n && (n = n->next))
1.2 kristaps 139: if (NULL == (m->meta.source = strdup(n->string)))
1.7 kristaps 140: return(man_verr(m, n->line, n->pos,
141: "memory exhausted"));
1.1 kristaps 142:
1.2 kristaps 143: /* TITLE MSEC DATE SOURCE ->VOL<- */
1.1 kristaps 144:
1.5 kristaps 145: if (n && (n = n->next))
1.2 kristaps 146: if (NULL == (m->meta.vol = strdup(n->string)))
1.7 kristaps 147: return(man_verr(m, n->line, n->pos,
148: "memory exhausted"));
1.1 kristaps 149:
150: /*
151: * The end document shouldn't have the prologue macros as part
152: * of the syntax tree (they encompass only meta-data).
153: */
154:
1.4 kristaps 155: if (m->last->parent->child == m->last) {
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: } else {
163: assert(m->last->prev);
164: m->last->prev->next = NULL;
165: n = m->last;
166: m->last = m->last->prev;
167: m->next = MAN_NEXT_SIBLING;
168: }
1.2 kristaps 169:
170: man_node_freelist(n);
171: return(1);
172: }
1.1 kristaps 173:
174:
1.2 kristaps 175: static time_t
176: man_atotime(const char *p)
177: {
178: struct tm tm;
179: char *pp;
180:
181: (void)memset(&tm, 0, sizeof(struct tm));
182:
183: if ((pp = strptime(p, "%b %d %Y", &tm)) && 0 == *pp)
184: return(mktime(&tm));
185: if ((pp = strptime(p, "%d %b %Y", &tm)) && 0 == *pp)
186: return(mktime(&tm));
187: if ((pp = strptime(p, "%b %d, %Y", &tm)) && 0 == *pp)
188: return(mktime(&tm));
189: if ((pp = strptime(p, "%b %Y", &tm)) && 0 == *pp)
190: return(mktime(&tm));
1.1 kristaps 191:
1.2 kristaps 192: return(0);
1.1 kristaps 193: }
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