Annotation of mandoc/man_action.c, Revision 1.21
1.21 ! kristaps 1: /* $Id: man_action.c,v 1.20 2009/10/24 05:45:04 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 */
1.19 kristaps 65: { NULL }, /* UC */
1.20 kristaps 66: { NULL }, /* PD */
1.1 kristaps 67: };
68:
1.18 kristaps 69: static time_t man_atotime(const char *);
70: #ifdef __linux__
71: extern char *strptime(const char *, const char *, struct tm *);
72: #endif
73:
1.1 kristaps 74:
75: int
76: man_action_post(struct man *m)
77: {
78:
79: if (MAN_ACTED & m->last->flags)
80: return(1);
81: m->last->flags |= MAN_ACTED;
82:
83: switch (m->last->type) {
84: case (MAN_TEXT):
1.18 kristaps 85: /* FALLTHROUGH */
1.1 kristaps 86: case (MAN_ROOT):
1.18 kristaps 87: return(1);
88: default:
1.1 kristaps 89: break;
90: }
1.18 kristaps 91:
92: if (NULL == man_actions[m->last->tok].post)
93: return(1);
94: return((*man_actions[m->last->tok].post)(m));
95: }
96:
97:
98: static int
99: post_fi(struct man *m)
100: {
101:
102: if ( ! (MAN_LITERAL & m->flags))
103: if ( ! man_nwarn(m, m->last, WNLITERAL))
104: return(0);
105: m->flags &= ~MAN_LITERAL;
106: return(1);
107: }
108:
109:
110: static int
111: post_nf(struct man *m)
112: {
113:
114: if (MAN_LITERAL & m->flags)
115: if ( ! man_nwarn(m, m->last, WOLITERAL))
116: return(0);
117: m->flags |= MAN_LITERAL;
1.1 kristaps 118: return(1);
119: }
120:
1.2 kristaps 121:
1.1 kristaps 122: static int
1.2 kristaps 123: post_TH(struct man *m)
1.1 kristaps 124: {
1.2 kristaps 125: struct man_node *n;
126: char *ep;
127: long lval;
1.1 kristaps 128:
129: if (m->meta.title)
130: free(m->meta.title);
131: if (m->meta.vol)
132: free(m->meta.vol);
1.2 kristaps 133: if (m->meta.source)
134: free(m->meta.source);
1.1 kristaps 135:
1.2 kristaps 136: m->meta.title = m->meta.vol = m->meta.source = NULL;
1.1 kristaps 137: m->meta.msec = 0;
1.2 kristaps 138: m->meta.date = 0;
139:
140: /* ->TITLE<- MSEC DATE SOURCE VOL */
141:
142: n = m->last->child;
143: assert(n);
1.1 kristaps 144:
1.2 kristaps 145: if (NULL == (m->meta.title = strdup(n->string)))
1.13 kristaps 146: return(man_nerr(m, n, WNMEM));
1.2 kristaps 147:
148: /* TITLE ->MSEC<- DATE SOURCE VOL */
1.1 kristaps 149:
1.2 kristaps 150: n = n->next;
151: assert(n);
1.1 kristaps 152:
1.2 kristaps 153: errno = 0;
154: lval = strtol(n->string, &ep, 10);
155: if (n->string[0] != '\0' && *ep == '\0')
156: m->meta.msec = (int)lval;
1.13 kristaps 157: else if ( ! man_nwarn(m, n, WMSEC))
1.2 kristaps 158: return(0);
1.1 kristaps 159:
1.2 kristaps 160: /* TITLE MSEC ->DATE<- SOURCE VOL */
1.1 kristaps 161:
1.5 kristaps 162: if (NULL == (n = n->next))
1.2 kristaps 163: m->meta.date = time(NULL);
1.5 kristaps 164: else if (0 == (m->meta.date = man_atotime(n->string))) {
1.13 kristaps 165: if ( ! man_nwarn(m, n, WDATE))
1.2 kristaps 166: return(0);
167: m->meta.date = time(NULL);
168: }
1.1 kristaps 169:
1.2 kristaps 170: /* TITLE MSEC DATE ->SOURCE<- VOL */
1.1 kristaps 171:
1.5 kristaps 172: if (n && (n = n->next))
1.2 kristaps 173: if (NULL == (m->meta.source = strdup(n->string)))
1.13 kristaps 174: return(man_nerr(m, n, WNMEM));
1.1 kristaps 175:
1.2 kristaps 176: /* TITLE MSEC DATE SOURCE ->VOL<- */
1.1 kristaps 177:
1.5 kristaps 178: if (n && (n = n->next))
1.2 kristaps 179: if (NULL == (m->meta.vol = strdup(n->string)))
1.13 kristaps 180: return(man_nerr(m, n, WNMEM));
1.1 kristaps 181:
182: /*
183: * The end document shouldn't have the prologue macros as part
184: * of the syntax tree (they encompass only meta-data).
185: */
186:
1.4 kristaps 187: if (m->last->parent->child == m->last) {
188: m->last->parent->child = NULL;
189: n = m->last;
190: m->last = m->last->parent;
191: m->next = MAN_NEXT_CHILD;
192: } else {
193: assert(m->last->prev);
194: m->last->prev->next = NULL;
195: n = m->last;
196: m->last = m->last->prev;
197: m->next = MAN_NEXT_SIBLING;
198: }
1.2 kristaps 199:
200: man_node_freelist(n);
201: return(1);
202: }
1.1 kristaps 203:
204:
1.2 kristaps 205: static time_t
206: man_atotime(const char *p)
207: {
208: struct tm tm;
209: char *pp;
210:
1.21 ! kristaps 211: memset(&tm, 0, sizeof(struct tm));
1.2 kristaps 212:
213: if ((pp = strptime(p, "%b %d %Y", &tm)) && 0 == *pp)
214: return(mktime(&tm));
215: if ((pp = strptime(p, "%d %b %Y", &tm)) && 0 == *pp)
216: return(mktime(&tm));
217: if ((pp = strptime(p, "%b %d, %Y", &tm)) && 0 == *pp)
218: return(mktime(&tm));
219: if ((pp = strptime(p, "%b %Y", &tm)) && 0 == *pp)
220: return(mktime(&tm));
1.1 kristaps 221:
1.2 kristaps 222: return(0);
1.1 kristaps 223: }
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