Re-added tree.c (for now).

Added initial terminal-output filter (term.c).

1 files changed, 131 insertions, 0 deletions

diff --git a/tree.c b/tree.c
new file mode 100644
index 00000000..02e3bea5
--- /dev/null
+++ b/tree.c
@@ -0,0 +1,131 @@
+/* $Id: tree.c,v 1.4 2009/02/20 11:04:23 kristaps Exp $ */
+/*
+ * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all
+ * copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "mdoc.h"
+
+#define	xprintf		(void)printf
+
+static	void	 treeprint_r(const struct mdoc_node *, int);
+
+static void
+treeprint_r(const struct mdoc_node *n, int indent)
+{
+	const char	 *p, *t;
+	int		  i, j;
+	size_t		  argc, sz;
+	char		**params;
+	struct mdoc_arg	 *argv;
+
+	argv = NULL;
+	argc = sz = 0;
+	params = NULL;
+
+	switch (n->type) {
+	case (MDOC_ROOT):
+		t = "root";
+		break;
+	case (MDOC_BLOCK):
+		t = "block";
+		break;
+	case (MDOC_HEAD):
+		t = "block-head";
+		break;
+	case (MDOC_BODY):
+		t = "block-body";
+		break;
+	case (MDOC_TAIL):
+		t = "block-tail";
+		break;
+	case (MDOC_ELEM):
+		t = "elem";
+		break;
+	case (MDOC_TEXT):
+		t = "text";
+		break;
+	default:
+		abort();
+		/* NOTREACHED */
+	}
+
+	switch (n->type) {
+	case (MDOC_TEXT):
+		p = n->data.text.string;
+		break;
+	case (MDOC_BODY):
+		p = mdoc_macronames[n->tok];
+		break;
+	case (MDOC_HEAD):
+		p = mdoc_macronames[n->tok];
+		break;
+	case (MDOC_TAIL):
+		p = mdoc_macronames[n->tok];
+		break;
+	case (MDOC_ELEM):
+		p = mdoc_macronames[n->tok];
+		argv = n->data.elem.argv;
+		argc = n->data.elem.argc;
+		break;
+	case (MDOC_BLOCK):
+		p = mdoc_macronames[n->tok];
+		argv = n->data.block.argv;
+		argc = n->data.block.argc;
+		break;
+	case (MDOC_ROOT):
+		p = "root";
+		break;
+	default:
+		abort();
+		/* NOTREACHED */
+	}
+
+	for (i = 0; i < indent; i++)
+		xprintf("    ");
+	xprintf("%s (%s)", p, t);
+
+	for (i = 0; i < (int)argc; i++) {
+		xprintf(" -%s", mdoc_argnames[argv[i].arg]);
+		if (argv[i].sz > 0)
+			xprintf(" [");
+		for (j = 0; j < (int)argv[i].sz; j++)
+			xprintf(" [%s]", argv[i].value[j]);
+		if (argv[i].sz > 0)
+			xprintf(" ]");
+	}
+
+	for (i = 0; i < (int)sz; i++)
+		xprintf(" [%s]", params[i]);
+
+	xprintf(" %d:%d\n", n->line, n->pos);
+
+	if (n->child)
+		treeprint_r(n->child, indent + 1);
+	if (n->next)
+		treeprint_r(n->next, indent);
+}
+
+
+int
+treeprint(const struct mdoc_node *node)
+{
+
+	treeprint_r(node, 0);
+	return(1);
+}