Tentative addition of front-end utility functions (out.h) (not sure if it's necessary).

More -Thtml installments.

1 files changed, 113 insertions, 0 deletions

diff --git a/out.c b/out.c
new file mode 100644
index 00000000..4166bf96
--- /dev/null
+++ b/out.c
@@ -0,0 +1,113 @@
+/*	$Id: out.c,v 1.1 2009/09/21 00:39:02 kristaps Exp $ */
+/*
+ * Copyright (c) 2009 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 <sys/types.h>
+
+#include <assert.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mdoc.h"
+#include "man.h"
+#include "out.h"
+
+int
+out_a2list(const struct mdoc_node *n)
+{
+	int		 i;
+
+	assert(MDOC_BLOCK == n->type && MDOC_Bl == n->tok);
+	assert(n->args);
+
+	for (i = 0; i < (int)n->args->argc; i++) 
+		switch (n->args->argv[i].arg) {
+		case (MDOC_Enum):
+			/* FALLTHROUGH */
+		case (MDOC_Dash):
+			/* FALLTHROUGH */
+		case (MDOC_Hyphen):
+			/* FALLTHROUGH */
+		case (MDOC_Bullet):
+			/* FALLTHROUGH */
+		case (MDOC_Tag):
+			/* FALLTHROUGH */
+		case (MDOC_Hang):
+			/* FALLTHROUGH */
+		case (MDOC_Inset):
+			/* FALLTHROUGH */
+		case (MDOC_Diag):
+			/* FALLTHROUGH */
+		case (MDOC_Item):
+			/* FALLTHROUGH */
+		case (MDOC_Column):
+			/* FALLTHROUGH */
+		case (MDOC_Ohang):
+			return(n->args->argv[i].arg);
+		default:
+			break;
+		}
+
+	abort();
+	/* NOTREACHED */
+}
+
+
+int
+out_a2width(const char *p)
+{
+	int		 i, len;
+
+	if (0 == (len = (int)strlen(p)))
+		return(0);
+	for (i = 0; i < len - 1; i++) 
+		if ( ! isdigit((u_char)p[i]))
+			break;
+
+	if (i == len - 1) 
+		if ('n' == p[len - 1] || 'm' == p[len - 1])
+			return(atoi(p) + 2);
+
+	return(len + 2);
+}
+
+
+int
+out_a2offs(const char *p, int indent)
+{
+	int		 len, i;
+
+	if (0 == strcmp(p, "left"))
+		return(0);
+	if (0 == strcmp(p, "indent"))
+		return(indent + 1);
+	if (0 == strcmp(p, "indent-two"))
+		return((indent + 1) * 2);
+
+	if (0 == (len = (int)strlen(p)))
+		return(0);
+
+	for (i = 0; i < len - 1; i++) 
+		if ( ! isdigit((u_char)p[i]))
+			break;
+
+	if (i == len - 1) 
+		if ('n' == p[len - 1] || 'm' == p[len - 1])
+			return(atoi(p));
+
+	return(len);
+}
+