Added man validator, renamed mdoc validator.

1 files changed, 134 insertions, 0 deletions

diff --git a/man_validate.c b/man_validate.c
new file mode 100644
index 00000000..4fb4aae7
--- /dev/null
+++ b/man_validate.c
@@ -0,0 +1,134 @@
+/* $Id: man_validate.c,v 1.1 2009/03/25 15:17:49 kristaps Exp $ */
+/*
+ * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
+ *
+ * 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 <sys/types.h>
+
+#include <assert.h>
+#include <ctype.h>
+#include <stdarg.h>
+#include <stdlib.h>
+
+#include "libman.h"
+
+/* FIXME: validate text. */
+
+#define	POSTARGS  struct man *m, const struct man_node *n
+
+typedef	int	(*v_post)(POSTARGS);
+
+struct	man_valid {
+	v_post	 *posts;
+};
+
+static	int	  count(POSTARGS);
+static	int	  check_eq0(POSTARGS);
+static	int	  check_ge1(POSTARGS);
+static	int	  check_ge2(POSTARGS);
+static	int	  check_le1(POSTARGS);
+static	int	  check_le2(POSTARGS);
+static	int	  check_le5(POSTARGS);
+
+static	v_post	  posts_le1[] = { check_le1, NULL };
+static	v_post	  posts_le2[] = { check_le2, NULL };
+static	v_post	  posts_ge1[] = { check_ge1, NULL };
+static	v_post	  posts_eq0[] = { check_eq0, NULL };
+static	v_post	  posts_ge2_le5[] = { check_ge2, check_le5, NULL };
+
+static	const struct man_valid man_valids[MAN_MAX] = {
+	{ NULL }, /* __ */
+	{ posts_ge2_le5 }, /* TH */
+	{ posts_ge1 }, /* SH */
+	{ posts_ge1 }, /* SS */
+	{ posts_le1 }, /* TP */
+	{ posts_eq0 }, /* LP */
+	{ posts_eq0 }, /* PP */
+	{ posts_eq0 }, /* P */
+	{ posts_le2 }, /* IP */
+	{ posts_le1 }, /* HP */
+	{ NULL }, /* SM */
+	{ NULL }, /* SB */
+	{ NULL }, /* BI */
+	{ NULL }, /* IB */
+	{ NULL }, /* BR */
+	{ NULL }, /* RB */
+	{ NULL }, /* R */
+	{ NULL }, /* B */
+	{ NULL }, /* I */
+	{ NULL }, /* IR */
+};
+
+
+int
+man_valid_post(struct man *m)
+{
+	v_post		*cp;
+
+	if (MAN_VALID & m->last->flags)
+		return(1);
+
+	m->last->flags |= MAN_VALID;
+
+	switch (m->last->type) {
+	case (MAN_TEXT): 
+		/* FALLTHROUGH */
+	case (MAN_ROOT):
+		return(1);
+	default:
+		break;
+	}
+
+	if (NULL == (cp = man_valids[m->last->tok].posts))
+		return(1);
+	for ( ; *cp; cp++)
+		if ( ! (*cp)(m, m->last))
+			return(0);
+
+	return(1);
+}
+
+
+static inline int
+count(POSTARGS)
+{ 
+	int		 i;
+
+	for (i = 0; n; n = n->next, i++) 
+		/* Loop. */ ;
+	return(i);
+}
+
+
+#define	INEQ_DEFINE(x, ineq, name) \
+static int \
+check_##name(POSTARGS) \
+{ \
+	int		 c; \
+	if ((c = count(m, n->child)) ineq (x)) \
+		return(1); \
+	return(man_vwarn(m, n->line, n->pos, \
+			"expected line arguments %s %d, have %d", \
+			#ineq, (x), c)); \
+}
+
+INEQ_DEFINE(0, ==, eq0)
+INEQ_DEFINE(1, >=, ge1)
+INEQ_DEFINE(2, >=, ge2)
+INEQ_DEFINE(1, <=, le1)
+INEQ_DEFINE(2, <=, le2)
+INEQ_DEFINE(5, <=, le5)
+