1 /* $Id: mdoc_state.c,v 1.9 2017/11/29 20:05:33 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.
17 #include <sys/types.h>
26 #include "libmandoc.h"
29 #define STATE_ARGS struct roff_man *mdoc, struct roff_node *n
31 typedef void (*state_handler)(STATE_ARGS);
33 static void state_bd(STATE_ARGS);
34 static void state_bl(STATE_ARGS);
35 static void state_dl(STATE_ARGS);
36 static void state_sh(STATE_ARGS);
37 static void state_sm(STATE_ARGS);
39 static const state_handler __state_handlers[MDOC_MAX - MDOC_Dd] = {
161 static const state_handler *const state_handlers = __state_handlers - MDOC_Dd;
165 mdoc_state(struct roff_man *mdoc, struct roff_node *n)
167 state_handler handler;
169 if (n->tok == TOKEN_NONE || n->tok < ROFF_MAX)
172 assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
173 if ( ! (mdoc_macros[n->tok].flags & MDOC_PROLOGUE))
174 mdoc->flags |= MDOC_PBODY;
176 handler = state_handlers[n->tok];
182 mdoc_state_reset(struct roff_man *mdoc)
185 roff_setreg(mdoc->roff, "nS", 0, '=');
194 if (n->type != ROFFT_HEAD &&
195 (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
198 if (n->parent->args == NULL)
201 arg = n->parent->args->argv[0].arg;
202 if (arg != MDOC_Literal && arg != MDOC_Unfilled)
211 struct mdoc_arg *args;
214 if (n->type != ROFFT_HEAD || n->parent->args == NULL)
217 args = n->parent->args;
218 for (i = 0; i < args->argc; i++) {
219 switch(args->argv[i].arg) {
221 n->norm->Bl.type = LIST_diag;
224 n->norm->Bl.type = LIST_column;
238 mdoc->flags |= MDOC_LITERAL;
241 mdoc->flags &= ~MDOC_LITERAL;
251 struct roff_node *nch;
254 if (n->type != ROFFT_HEAD)
257 if ( ! (n->flags & NODE_VALID)) {
262 * Set the section attribute for the BLOCK, HEAD,
263 * and HEAD children; the latter can only be TEXT
264 * nodes, so no recursion is needed. For other
265 * nodes, including the .Sh BODY, this is done
266 * when allocating the node data structures, but
267 * for .Sh BLOCK and HEAD, the section is still
268 * unknown at that time.
271 n->sec = n->parent->sec = secname == NULL ?
272 SEC_CUSTOM : mdoc_a2sec(secname);
273 for (nch = n->child; nch != NULL; nch = nch->next)
278 if ((mdoc->lastsec = n->sec) == SEC_SYNOPSIS) {
279 roff_setreg(mdoc->roff, "nS", 1, '=');
280 mdoc->flags |= MDOC_SYNOPSIS;
282 roff_setreg(mdoc->roff, "nS", 0, '=');
283 mdoc->flags &= ~MDOC_SYNOPSIS;
291 if (n->child == NULL)
292 mdoc->flags ^= MDOC_SMOFF;
293 else if ( ! strcmp(n->child->string, "on"))
294 mdoc->flags &= ~MDOC_SMOFF;
295 else if ( ! strcmp(n->child->string, "off"))
296 mdoc->flags |= MDOC_SMOFF;