===================================================================
RCS file: /cvs/mandoc/roff.c,v
retrieving revision 1.266
retrieving revision 1.269
diff -u -p -r1.266 -r1.269
--- mandoc/roff.c	2015/04/19 13:50:26	1.266
+++ mandoc/roff.c	2015/04/23 16:17:44	1.269
@@ -1,6 +1,6 @@
-/*	$Id: roff.c,v 1.266 2015/04/19 13:50:26 schwarze Exp $ */
+/*	$Id: roff.c,v 1.269 2015/04/23 16:17:44 schwarze Exp $ */
 /*
- * Copyright (c) 2009-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
@@ -32,7 +32,6 @@
 #include "libmandoc.h"
 #include "roff_int.h"
 #include "libroff.h"
-#include "libmdoc.h"
 
 /* Maximum number of nested if-else conditionals. */
 #define	RSTACK_MAX	128
@@ -1067,7 +1066,58 @@ roff_node_append(struct roff_man *man, struct roff_nod
 	man->last = n;
 }
 
+void
+roff_word_alloc(struct roff_man *man, int line, int pos, const char *word)
+{
+	struct roff_node	*n;
+
+	n = roff_node_alloc(man, line, pos, ROFFT_TEXT, TOKEN_NONE);
+	n->string = roff_strdup(man->roff, word);
+	roff_node_append(man, n);
+	if (man->macroset == MACROSET_MDOC)
+		mdoc_valid_post(man);
+	else
+		man_valid_post(man);
+	man->next = ROFF_NEXT_SIBLING;
+}
+
+void
+roff_word_append(struct roff_man *man, const char *word)
+{
+	struct roff_node	*n;
+	char			*addstr, *newstr;
+
+	n = man->last;
+	addstr = roff_strdup(man->roff, word);
+	mandoc_asprintf(&newstr, "%s %s", n->string, addstr);
+	free(addstr);
+	free(n->string);
+	n->string = newstr;
+	man->next = ROFF_NEXT_SIBLING;
+}
+
+void
+roff_elem_alloc(struct roff_man *man, int line, int pos, int tok)
+{
+	struct roff_node	*n;
+
+	n = roff_node_alloc(man, line, pos, ROFFT_ELEM, tok);
+	roff_node_append(man, n);
+	man->next = ROFF_NEXT_CHILD;
+}
+
 struct roff_node *
+roff_block_alloc(struct roff_man *man, int line, int pos, int tok)
+{
+	struct roff_node	*n;
+
+	n = roff_node_alloc(man, line, pos, ROFFT_BLOCK, tok);
+	roff_node_append(man, n);
+	man->next = ROFF_NEXT_CHILD;
+	return(n);
+}
+
+struct roff_node *
 roff_head_alloc(struct roff_man *man, int line, int pos, int tok)
 {
 	struct roff_node	*n;
@@ -1090,6 +1140,36 @@ roff_body_alloc(struct roff_man *man, int line, int po
 }
 
 void
+roff_addeqn(struct roff_man *man, const struct eqn *eqn)
+{
+	struct roff_node	*n;
+
+	n = roff_node_alloc(man, eqn->ln, eqn->pos, ROFFT_EQN, TOKEN_NONE);
+	n->eqn = eqn;
+	if (eqn->ln > man->last->line)
+		n->flags |= MDOC_LINE;
+	roff_node_append(man, n);
+	man->next = ROFF_NEXT_SIBLING;
+}
+
+void
+roff_addtbl(struct roff_man *man, const struct tbl_span *tbl)
+{
+	struct roff_node	*n;
+
+	if (man->macroset == MACROSET_MAN)
+		man_breakscope(man, TOKEN_NONE);
+	n = roff_node_alloc(man, tbl->line, 0, ROFFT_TBL, TOKEN_NONE);
+	n->span = tbl;
+	roff_node_append(man, n);
+	if (man->macroset == MACROSET_MDOC)
+		mdoc_valid_post(man);
+	else
+		man_valid_post(man);
+	man->next = ROFF_NEXT_SIBLING;
+}
+
+void
 roff_node_unlink(struct roff_man *man, struct roff_node *n)
 {
 
@@ -1148,6 +1228,52 @@ roff_node_delete(struct roff_man *man, struct roff_nod
 	assert(n->nchild == 0);
 	roff_node_unlink(man, n);
 	roff_node_free(n);
+}
+
+void
+deroff(char **dest, const struct roff_node *n)
+{
+	char	*cp;
+	size_t	 sz;
+
+	if (n->type != ROFFT_TEXT) {
+		for (n = n->child; n != NULL; n = n->next)
+			deroff(dest, n);
+		return;
+	}
+
+	/* Skip leading whitespace and escape sequences. */
+
+	cp = n->string;
+	while (*cp != '\0') {
+		if ('\\' == *cp) {
+			cp++;
+			mandoc_escape((const char **)&cp, NULL, NULL);
+		} else if (isspace((unsigned char)*cp))
+			cp++;
+		else
+			break;
+	}
+
+	/* Skip trailing whitespace. */
+
+	for (sz = strlen(cp); sz; sz--)
+		if ( ! isspace((unsigned char)cp[sz-1]))
+			break;
+
+	/* Skip empty strings. */
+
+	if (sz == 0)
+		return;
+
+	if (*dest == NULL) {
+		*dest = mandoc_strndup(cp, sz);
+		return;
+	}
+
+	mandoc_asprintf(&cp, "%s %*s", *dest, (int)sz, cp);
+	free(*dest);
+	*dest = cp;
 }
 
 /* --- main functions of the roff parser ---------------------------------- */