Annotation of src/usr.bin/mandoc/man_action.c, Revision 1.16
1.16 ! schwarze 1: /* $Id: man_action.c,v 1.15 2010/04/25 16:32:19 schwarze Exp $ */
1.1 kristaps 2: /*
1.16 ! schwarze 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 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: *
1.2 schwarze 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:
18: #include <assert.h>
19: #include <stdlib.h>
20: #include <string.h>
21:
22: #include "libman.h"
1.10 schwarze 23: #include "libmandoc.h"
1.1 kristaps 24:
25: struct actions {
26: int (*post)(struct man *);
27: };
28:
29: static int post_TH(struct man *);
1.14 schwarze 30: static int post_de(struct man *);
1.7 schwarze 31: static int post_fi(struct man *);
32: static int post_nf(struct man *);
1.1 kristaps 33:
34: const struct actions man_actions[MAN_MAX] = {
1.3 schwarze 35: { NULL }, /* br */
1.1 kristaps 36: { post_TH }, /* TH */
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 */
55: { NULL }, /* RI */
56: { NULL }, /* na */
57: { NULL }, /* i */
1.5 schwarze 58: { NULL }, /* sp */
1.7 schwarze 59: { post_nf }, /* nf */
60: { post_fi }, /* fi */
61: { NULL }, /* r */
62: { NULL }, /* RE */
63: { NULL }, /* RS */
64: { NULL }, /* DT */
1.8 schwarze 65: { NULL }, /* UC */
1.9 schwarze 66: { NULL }, /* PD */
1.12 schwarze 67: { NULL }, /* Sp */
68: { post_nf }, /* Vb */
69: { post_fi }, /* Ve */
1.14 schwarze 70: { post_de }, /* de */
71: { post_de }, /* dei */
72: { post_de }, /* am */
73: { post_de }, /* ami */
74: { post_de }, /* ig */
75: { NULL }, /* . */
1.15 schwarze 76: { NULL }, /* if */
77: { NULL }, /* ie */
78: { NULL }, /* el */
1.1 kristaps 79: };
80:
81:
82: int
83: man_action_post(struct man *m)
84: {
85:
86: if (MAN_ACTED & m->last->flags)
87: return(1);
88: m->last->flags |= MAN_ACTED;
89:
90: switch (m->last->type) {
91: case (MAN_TEXT):
1.7 schwarze 92: /* FALLTHROUGH */
1.1 kristaps 93: case (MAN_ROOT):
1.7 schwarze 94: return(1);
95: default:
1.1 kristaps 96: break;
97: }
1.7 schwarze 98:
99: if (NULL == man_actions[m->last->tok].post)
100: return(1);
101: return((*man_actions[m->last->tok].post)(m));
102: }
103:
104:
105: static int
106: post_fi(struct man *m)
107: {
108:
109: if ( ! (MAN_LITERAL & m->flags))
110: if ( ! man_nwarn(m, m->last, WNLITERAL))
111: return(0);
112: m->flags &= ~MAN_LITERAL;
113: return(1);
114: }
115:
116:
117: static int
1.14 schwarze 118: post_de(struct man *m)
119: {
120:
121: /*
122: * XXX: for the time being, we indiscriminately remove roff
123: * instructions from the parse stream.
124: */
125: if (MAN_BLOCK == m->last->type)
126: man_node_delete(m, m->last);
127: return(1);
128: }
129:
130:
131: static int
1.7 schwarze 132: post_nf(struct man *m)
133: {
134:
135: if (MAN_LITERAL & m->flags)
136: if ( ! man_nwarn(m, m->last, WOLITERAL))
137: return(0);
138: m->flags |= MAN_LITERAL;
1.1 kristaps 139: return(1);
140: }
141:
142:
143: static int
144: post_TH(struct man *m)
145: {
146: struct man_node *n;
147:
148: if (m->meta.title)
149: free(m->meta.title);
150: if (m->meta.vol)
151: free(m->meta.vol);
152: if (m->meta.source)
153: free(m->meta.source);
1.16 ! schwarze 154: if (m->meta.msec)
! 155: free(m->meta.msec);
1.1 kristaps 156:
1.16 ! schwarze 157: m->meta.title = m->meta.vol =
! 158: m->meta.msec = m->meta.source = NULL;
1.1 kristaps 159: m->meta.date = 0;
160:
161: /* ->TITLE<- MSEC DATE SOURCE VOL */
162:
163: n = m->last->child;
164: assert(n);
1.10 schwarze 165: m->meta.title = mandoc_strdup(n->string);
1.1 kristaps 166:
167: /* TITLE ->MSEC<- DATE SOURCE VOL */
168:
169: n = n->next;
170: assert(n);
1.16 ! schwarze 171: m->meta.msec = mandoc_strdup(n->string);
1.1 kristaps 172:
173: /* TITLE MSEC ->DATE<- SOURCE VOL */
174:
1.11 schwarze 175: n = n->next;
176: if (n) {
177: m->meta.date = mandoc_a2time
178: (MTIME_ISO_8601, n->string);
179: if (0 == m->meta.date) {
180: if ( ! man_nwarn(m, n, WDATE))
181: return(0);
182: m->meta.date = time(NULL);
183: }
184: } else
1.1 kristaps 185: m->meta.date = time(NULL);
186:
187: /* TITLE MSEC DATE ->SOURCE<- VOL */
188:
189: if (n && (n = n->next))
1.10 schwarze 190: m->meta.source = mandoc_strdup(n->string);
1.1 kristaps 191:
192: /* TITLE MSEC DATE SOURCE ->VOL<- */
193:
194: if (n && (n = n->next))
1.10 schwarze 195: m->meta.vol = mandoc_strdup(n->string);
1.1 kristaps 196:
1.14 schwarze 197: /*
198: * Remove the `TH' node after we've processed it for our
199: * meta-data.
200: */
201: man_node_delete(m, m->last);
1.1 kristaps 202: return(1);
203: }
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