Annotation of mandoc/man_action.c, Revision 1.18
1.18 ! kristaps 1: /* $Id: man_action.c,v 1.17 2009/08/20 11:51:07 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:
26: struct actions {
27: int (*post)(struct man *);
28: };
29:
1.2 kristaps 30: static int post_TH(struct man *);
1.18 ! kristaps 31: static int post_fi(struct man *);
! 32: static int post_nf(struct man *);
1.2 kristaps 33:
1.1 kristaps 34: const struct actions man_actions[MAN_MAX] = {
1.12 kristaps 35: { NULL }, /* br */
1.2 kristaps 36: { post_TH }, /* TH */
1.1 kristaps 37: { NULL }, /* SH */
38: { NULL }, /* SS */
39: { NULL }, /* TP */
40: { NULL }, /* LP */
41: { NULL }, /* PP */
42: { NULL }, /* P */
43: { NULL }, /* IP */
44: { NULL }, /* HP */
45: { NULL }, /* SM */
46: { NULL }, /* SB */
47: { NULL }, /* BI */
48: { NULL }, /* IB */
49: { NULL }, /* BR */
50: { NULL }, /* RB */
51: { NULL }, /* R */
52: { NULL }, /* B */
53: { NULL }, /* I */
54: { NULL }, /* IR */
1.5 kristaps 55: { NULL }, /* RI */
1.8 kristaps 56: { NULL }, /* na */
1.9 kristaps 57: { NULL }, /* i */
1.14 kristaps 58: { NULL }, /* sp */
1.18 ! kristaps 59: { post_nf }, /* nf */
! 60: { post_fi }, /* fi */
1.16 kristaps 61: { NULL }, /* r */
62: { NULL }, /* RE */
63: { NULL }, /* RS */
1.17 kristaps 64: { NULL }, /* DT */
1.1 kristaps 65: };
66:
1.18 ! kristaps 67: static time_t man_atotime(const char *);
! 68: #ifdef __linux__
! 69: extern char *strptime(const char *, const char *, struct tm *);
! 70: #endif
! 71:
1.1 kristaps 72:
73: int
74: man_action_post(struct man *m)
75: {
76:
77: if (MAN_ACTED & m->last->flags)
78: return(1);
79: m->last->flags |= MAN_ACTED;
80:
81: switch (m->last->type) {
82: case (MAN_TEXT):
1.18 ! kristaps 83: /* FALLTHROUGH */
1.1 kristaps 84: case (MAN_ROOT):
1.18 ! kristaps 85: return(1);
! 86: default:
1.1 kristaps 87: break;
88: }
1.18 ! kristaps 89:
! 90: if (NULL == man_actions[m->last->tok].post)
! 91: return(1);
! 92: return((*man_actions[m->last->tok].post)(m));
! 93: }
! 94:
! 95:
! 96: static int
! 97: post_fi(struct man *m)
! 98: {
! 99:
! 100: if ( ! (MAN_LITERAL & m->flags))
! 101: if ( ! man_nwarn(m, m->last, WNLITERAL))
! 102: return(0);
! 103: m->flags &= ~MAN_LITERAL;
! 104: return(1);
! 105: }
! 106:
! 107:
! 108: static int
! 109: post_nf(struct man *m)
! 110: {
! 111:
! 112: if (MAN_LITERAL & m->flags)
! 113: if ( ! man_nwarn(m, m->last, WOLITERAL))
! 114: return(0);
! 115: m->flags |= MAN_LITERAL;
1.1 kristaps 116: return(1);
117: }
118:
1.2 kristaps 119:
1.1 kristaps 120: static int
1.2 kristaps 121: post_TH(struct man *m)
1.1 kristaps 122: {
1.2 kristaps 123: struct man_node *n;
124: char *ep;
125: long lval;
1.1 kristaps 126:
127: if (m->meta.title)
128: free(m->meta.title);
129: if (m->meta.vol)
130: free(m->meta.vol);
1.2 kristaps 131: if (m->meta.source)
132: free(m->meta.source);
1.1 kristaps 133:
1.2 kristaps 134: m->meta.title = m->meta.vol = m->meta.source = NULL;
1.1 kristaps 135: m->meta.msec = 0;
1.2 kristaps 136: m->meta.date = 0;
137:
138: /* ->TITLE<- MSEC DATE SOURCE VOL */
139:
140: n = m->last->child;
141: assert(n);
1.1 kristaps 142:
1.2 kristaps 143: if (NULL == (m->meta.title = strdup(n->string)))
1.13 kristaps 144: return(man_nerr(m, n, WNMEM));
1.2 kristaps 145:
146: /* TITLE ->MSEC<- DATE SOURCE VOL */
1.1 kristaps 147:
1.2 kristaps 148: n = n->next;
149: assert(n);
1.1 kristaps 150:
1.2 kristaps 151: errno = 0;
152: lval = strtol(n->string, &ep, 10);
153: if (n->string[0] != '\0' && *ep == '\0')
154: m->meta.msec = (int)lval;
1.13 kristaps 155: else if ( ! man_nwarn(m, n, WMSEC))
1.2 kristaps 156: return(0);
1.1 kristaps 157:
1.2 kristaps 158: /* TITLE MSEC ->DATE<- SOURCE VOL */
1.1 kristaps 159:
1.5 kristaps 160: if (NULL == (n = n->next))
1.2 kristaps 161: m->meta.date = time(NULL);
1.5 kristaps 162: else if (0 == (m->meta.date = man_atotime(n->string))) {
1.13 kristaps 163: if ( ! man_nwarn(m, n, WDATE))
1.2 kristaps 164: return(0);
165: m->meta.date = time(NULL);
166: }
1.1 kristaps 167:
1.2 kristaps 168: /* TITLE MSEC DATE ->SOURCE<- VOL */
1.1 kristaps 169:
1.5 kristaps 170: if (n && (n = n->next))
1.2 kristaps 171: if (NULL == (m->meta.source = strdup(n->string)))
1.13 kristaps 172: return(man_nerr(m, n, WNMEM));
1.1 kristaps 173:
1.2 kristaps 174: /* TITLE MSEC DATE SOURCE ->VOL<- */
1.1 kristaps 175:
1.5 kristaps 176: if (n && (n = n->next))
1.2 kristaps 177: if (NULL == (m->meta.vol = strdup(n->string)))
1.13 kristaps 178: return(man_nerr(m, n, WNMEM));
1.1 kristaps 179:
180: /*
181: * The end document shouldn't have the prologue macros as part
182: * of the syntax tree (they encompass only meta-data).
183: */
184:
1.4 kristaps 185: if (m->last->parent->child == m->last) {
186: m->last->parent->child = NULL;
187: n = m->last;
188: m->last = m->last->parent;
189: m->next = MAN_NEXT_CHILD;
190: } else {
191: assert(m->last->prev);
192: m->last->prev->next = NULL;
193: n = m->last;
194: m->last = m->last->prev;
195: m->next = MAN_NEXT_SIBLING;
196: }
1.2 kristaps 197:
198: man_node_freelist(n);
199: return(1);
200: }
1.1 kristaps 201:
202:
1.2 kristaps 203: static time_t
204: man_atotime(const char *p)
205: {
206: struct tm tm;
207: char *pp;
208:
1.13 kristaps 209: bzero(&tm, sizeof(struct tm));
1.2 kristaps 210:
211: if ((pp = strptime(p, "%b %d %Y", &tm)) && 0 == *pp)
212: return(mktime(&tm));
213: if ((pp = strptime(p, "%d %b %Y", &tm)) && 0 == *pp)
214: return(mktime(&tm));
215: if ((pp = strptime(p, "%b %d, %Y", &tm)) && 0 == *pp)
216: return(mktime(&tm));
217: if ((pp = strptime(p, "%b %Y", &tm)) && 0 == *pp)
218: return(mktime(&tm));
1.1 kristaps 219:
1.2 kristaps 220: return(0);
1.1 kristaps 221: }
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