1 /* $Id: mdoc_state.c,v 1.17 2020/06/22 19:20:40 schwarze Exp $ */
3 * Copyright (c) 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
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.
19 #include <sys/types.h>
29 #include "libmandoc.h"
33 #define STATE_ARGS struct roff_man *mdoc, struct roff_node *n
35 typedef void (*state_handler)(STATE_ARGS);
37 static void state_bl(STATE_ARGS);
38 static void state_sh(STATE_ARGS);
39 static void state_sm(STATE_ARGS);
41 static const state_handler state_handlers[MDOC_MAX - MDOC_Dd] = {
167 mdoc_state(struct roff_man *mdoc, struct roff_node *n)
169 state_handler handler;
171 if (n->tok == TOKEN_NONE || n->tok < ROFF_MAX)
174 assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
175 if ((mdoc_macro(n->tok)->flags & MDOC_PROLOGUE) == 0)
176 mdoc->flags |= MDOC_PBODY;
178 handler = state_handlers[n->tok - MDOC_Dd];
186 struct mdoc_arg *args;
189 if (n->type != ROFFT_HEAD || n->parent->args == NULL)
192 args = n->parent->args;
193 for (i = 0; i < args->argc; i++) {
194 switch(args->argv[i].arg) {
196 n->norm->Bl.type = LIST_diag;
199 n->norm->Bl.type = LIST_column;
210 struct roff_node *nch;
213 if (n->type != ROFFT_HEAD)
216 if ( ! (n->flags & NODE_VALID)) {
221 * Set the section attribute for the BLOCK, HEAD,
222 * and HEAD children; the latter can only be TEXT
223 * nodes, so no recursion is needed. For other
224 * nodes, including the .Sh BODY, this is done
225 * when allocating the node data structures, but
226 * for .Sh BLOCK and HEAD, the section is still
227 * unknown at that time.
230 n->sec = n->parent->sec = secname == NULL ?
231 SEC_CUSTOM : mdoc_a2sec(secname);
232 for (nch = n->child; nch != NULL; nch = nch->next)
237 if ((mdoc->lastsec = n->sec) == SEC_SYNOPSIS) {
238 roff_setreg(mdoc->roff, "nS", 1, '=');
239 mdoc->flags |= MDOC_SYNOPSIS;
241 roff_setreg(mdoc->roff, "nS", 0, '=');
242 mdoc->flags &= ~MDOC_SYNOPSIS;
250 if (n->child == NULL)
251 mdoc->flags ^= MDOC_SMOFF;
252 else if ( ! strcmp(n->child->string, "on"))
253 mdoc->flags &= ~MDOC_SMOFF;
254 else if ( ! strcmp(n->child->string, "off"))
255 mdoc->flags |= MDOC_SMOFF;