===================================================================
RCS file: /cvs/mandoc/Attic/dummy.c,v
retrieving revision 1.3
retrieving revision 1.7
diff -u -p -r1.3 -r1.7
--- mandoc/Attic/dummy.c	2008/11/24 14:24:55	1.3
+++ mandoc/Attic/dummy.c	2008/11/26 16:50:34	1.7
@@ -1,4 +1,4 @@
-/* $Id: dummy.c,v 1.3 2008/11/24 14:24:55 kristaps Exp $ */
+/* $Id: dummy.c,v 1.7 2008/11/26 16:50:34 kristaps Exp $ */
 /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -18,17 +18,114 @@
  */
 #include <assert.h>
 #include <err.h>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "libmdocml.h"
 #include "private.h"
 
+#ifdef	__linux__
+#define	strlcat		strncat
+#endif
 
+static	int		md_dummy_blk_in(int);
+static	int		md_dummy_blk_out(int);
+static 	int		md_dummy_text_in(int, int *, char **);
+static	int		md_dummy_text_out(int);
+
+static	void		dbg_prologue(const char *);
+static	void		dbg_epilogue(void);
+
+static	int		dbg_lvl = 0;
+static	char		dbg_line[72];
+
 struct	md_dummy {
 	struct rofftree	*tree;
+	struct roffcb	 cb;
 };
 
+static void
+dbg_prologue(const char *p)
+{
+	int		 i;
 
+	(void)snprintf(dbg_line, sizeof(dbg_line) - 1, "%6s", p);
+	(void)strlcat(dbg_line, ": ", sizeof(dbg_line) - 1);
+	/* LINTED */
+	for (i = 0; i < dbg_lvl; i++)
+		(void)strlcat(dbg_line, "    ", sizeof(dbg_line) - 1);
+}
+
+
+static void
+dbg_epilogue(void)
+{
+
+	assert(0 != dbg_line[0]);
+	(void)printf("%s\n", dbg_line);
+}
+
+
+static int
+md_dummy_blk_in(int tok)
+{
+
+	dbg_prologue("blk");
+	(void)strlcat(dbg_line, toknames[tok], sizeof(dbg_line) - 1);
+	dbg_epilogue();
+
+	dbg_lvl++;
+	return(1);
+}
+
+
+static int
+md_dummy_blk_out(int tok)
+{
+
+	dbg_lvl--;
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+md_dummy_text_in(int tok, int *argcp, char **argvp)
+{
+
+	dbg_prologue("text");
+	(void)strlcat(dbg_line, toknames[tok], sizeof(dbg_line) - 1);
+	(void)strlcat(dbg_line, " ", sizeof(dbg_line) - 1);
+	while (ROFF_ARGMAX != *argcp) {
+		(void)strlcat(dbg_line, "[", sizeof(dbg_line) - 1);
+		(void)strlcat(dbg_line, tokargnames[*argcp], 
+				sizeof(dbg_line) - 1);
+		if (*argvp) {
+			(void)strlcat(dbg_line, " [", 
+					sizeof(dbg_line) - 1);
+			(void)strlcat(dbg_line, *argvp,
+					sizeof(dbg_line) - 1);
+			(void)strlcat(dbg_line, "]", 
+					sizeof(dbg_line) - 1);
+		}
+		(void)strlcat(dbg_line, "]", sizeof(dbg_line) - 1);
+		argcp++;
+		argvp++;
+	}
+	dbg_epilogue();
+	return(1);
+}
+
+
+static int
+md_dummy_text_out(int tok)
+{
+
+	return(1);
+}
+
+
 int
 md_line_dummy(void *arg, char *buf, size_t sz)
 {
@@ -64,7 +161,16 @@ md_init_dummy(const struct md_args *args,
 		return(NULL);
 	}
 
-	if (NULL == (p->tree = roff_alloc(args, mbuf, rbuf))) {
+	p->cb.roffhead = NULL;
+	p->cb.rofftail = NULL;
+	p->cb.roffin = md_dummy_text_in;
+	p->cb.roffout = md_dummy_text_out;
+	p->cb.roffblkin = md_dummy_blk_in;
+	p->cb.roffblkout = md_dummy_blk_out;
+
+	p->tree = roff_alloc(args, mbuf, rbuf, &p->cb);
+
+	if (NULL == p->tree) {
 		free(p);
 		return(NULL);
 	}