Annotation of mandoc/man_action.c, Revision 1.33
1.33 ! kristaps 1: /* $Id: man_action.c,v 1.32 2010/05/15 16:27:23 kristaps Exp $ */
1.1 kristaps 2: /*
1.32 kristaps 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
1.10 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: */
1.25 kristaps 17: #ifdef HAVE_CONFIG_H
18: #include "config.h"
19: #endif
1.1 kristaps 20:
21: #include <assert.h>
22: #include <stdlib.h>
23: #include <string.h>
24:
25: #include "libman.h"
1.22 kristaps 26: #include "libmandoc.h"
1.1 kristaps 27:
28: struct actions {
29: int (*post)(struct man *);
30: };
31:
1.2 kristaps 32: static int post_TH(struct man *);
1.29 kristaps 33: static int post_de(struct man *);
1.18 kristaps 34: static int post_fi(struct man *);
35: static int post_nf(struct man *);
1.2 kristaps 36:
1.1 kristaps 37: const struct actions man_actions[MAN_MAX] = {
1.12 kristaps 38: { NULL }, /* br */
1.2 kristaps 39: { post_TH }, /* TH */
1.1 kristaps 40: { NULL }, /* SH */
41: { NULL }, /* SS */
42: { NULL }, /* TP */
43: { NULL }, /* LP */
44: { NULL }, /* PP */
45: { NULL }, /* P */
46: { NULL }, /* IP */
47: { NULL }, /* HP */
48: { NULL }, /* SM */
49: { NULL }, /* SB */
50: { NULL }, /* BI */
51: { NULL }, /* IB */
52: { NULL }, /* BR */
53: { NULL }, /* RB */
54: { NULL }, /* R */
55: { NULL }, /* B */
56: { NULL }, /* I */
57: { NULL }, /* IR */
1.5 kristaps 58: { NULL }, /* RI */
1.8 kristaps 59: { NULL }, /* na */
1.9 kristaps 60: { NULL }, /* i */
1.14 kristaps 61: { NULL }, /* sp */
1.18 kristaps 62: { post_nf }, /* nf */
63: { post_fi }, /* fi */
1.16 kristaps 64: { NULL }, /* r */
65: { NULL }, /* RE */
66: { NULL }, /* RS */
1.17 kristaps 67: { NULL }, /* DT */
1.19 kristaps 68: { NULL }, /* UC */
1.20 kristaps 69: { NULL }, /* PD */
1.27 kristaps 70: { NULL }, /* Sp */
71: { post_nf }, /* Vb */
72: { post_fi }, /* Ve */
1.29 kristaps 73: { post_de }, /* de */
74: { post_de }, /* dei */
75: { post_de }, /* am */
76: { post_de }, /* ami */
77: { NULL }, /* . */
1.1 kristaps 78: };
79:
80:
81: int
82: man_action_post(struct man *m)
83: {
84:
85: if (MAN_ACTED & m->last->flags)
86: return(1);
87: m->last->flags |= MAN_ACTED;
88:
89: switch (m->last->type) {
90: case (MAN_TEXT):
1.18 kristaps 91: /* FALLTHROUGH */
1.1 kristaps 92: case (MAN_ROOT):
1.18 kristaps 93: return(1);
94: default:
1.1 kristaps 95: break;
96: }
1.18 kristaps 97:
98: if (NULL == man_actions[m->last->tok].post)
99: return(1);
100: return((*man_actions[m->last->tok].post)(m));
101: }
102:
103:
104: static int
105: post_fi(struct man *m)
106: {
107:
108: if ( ! (MAN_LITERAL & m->flags))
109: if ( ! man_nwarn(m, m->last, WNLITERAL))
110: return(0);
111: m->flags &= ~MAN_LITERAL;
112: return(1);
113: }
114:
115:
116: static int
1.29 kristaps 117: post_de(struct man *m)
118: {
119:
120: /*
121: * XXX: for the time being, we indiscriminately remove roff
122: * instructions from the parse stream.
123: */
124: if (MAN_BLOCK == m->last->type)
125: man_node_delete(m, m->last);
126: return(1);
127: }
128:
129:
130: static int
1.18 kristaps 131: post_nf(struct man *m)
132: {
133:
134: if (MAN_LITERAL & m->flags)
135: if ( ! man_nwarn(m, m->last, WOLITERAL))
136: return(0);
137: m->flags |= MAN_LITERAL;
1.1 kristaps 138: return(1);
139: }
140:
1.2 kristaps 141:
1.1 kristaps 142: static int
1.2 kristaps 143: post_TH(struct man *m)
1.1 kristaps 144: {
1.2 kristaps 145: struct man_node *n;
1.1 kristaps 146:
147: if (m->meta.title)
148: free(m->meta.title);
149: if (m->meta.vol)
150: free(m->meta.vol);
1.2 kristaps 151: if (m->meta.source)
152: free(m->meta.source);
1.32 kristaps 153: if (m->meta.msec)
154: free(m->meta.msec);
1.1 kristaps 155:
1.31 kristaps 156: m->meta.title = m->meta.vol =
157: m->meta.msec = m->meta.source = NULL;
1.2 kristaps 158: m->meta.date = 0;
159:
160: /* ->TITLE<- MSEC DATE SOURCE VOL */
161:
162: n = m->last->child;
163: assert(n);
1.22 kristaps 164: m->meta.title = mandoc_strdup(n->string);
1.2 kristaps 165:
166: /* TITLE ->MSEC<- DATE SOURCE VOL */
1.1 kristaps 167:
1.2 kristaps 168: n = n->next;
169: assert(n);
1.31 kristaps 170: m->meta.msec = mandoc_strdup(n->string);
1.1 kristaps 171:
1.2 kristaps 172: /* TITLE MSEC ->DATE<- SOURCE VOL */
1.1 kristaps 173:
1.24 kristaps 174: n = n->next;
175: if (n) {
176: m->meta.date = mandoc_a2time
177: (MTIME_ISO_8601, n->string);
178: if (0 == m->meta.date) {
179: if ( ! man_nwarn(m, n, WDATE))
180: return(0);
181: m->meta.date = time(NULL);
182: }
183: } else
1.2 kristaps 184: m->meta.date = time(NULL);
1.1 kristaps 185:
1.2 kristaps 186: /* TITLE MSEC DATE ->SOURCE<- VOL */
1.1 kristaps 187:
1.5 kristaps 188: if (n && (n = n->next))
1.22 kristaps 189: m->meta.source = mandoc_strdup(n->string);
1.1 kristaps 190:
1.2 kristaps 191: /* TITLE MSEC DATE SOURCE ->VOL<- */
1.1 kristaps 192:
1.5 kristaps 193: if (n && (n = n->next))
1.22 kristaps 194: m->meta.vol = mandoc_strdup(n->string);
1.1 kristaps 195:
1.29 kristaps 196: /*
197: * Remove the `TH' node after we've processed it for our
198: * meta-data.
199: */
200: man_node_delete(m, m->last);
1.2 kristaps 201: return(1);
202: }
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