From 667b29ccc16bd6e63382acb7cb1a9a254d4b96d9 Mon Sep 17 00:00:00 2001
From: Ali Gholami Rudi <ali@rudi.ir>
Date: Wed, 20 May 2015 09:31:45 +0430
Subject: [PATCH] ex: td option for text direction

---
 dir.c | 6 +++---
 ex.c  | 3 ++-
 vi.c  | 4 +++-
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/dir.c b/dir.c
index 1e21068..3f43bc3 100644
--- a/dir.c
+++ b/dir.c
@@ -68,14 +68,14 @@ int dir_context(char *s)
 {
 	int found;
 	int dir;
-	if (xdir == 'L')
+	if (xdir > +1)
 		return +1;
-	if (xdir == 'R')
+	if (xdir < -1)
 		return -1;
 	found = rset_find(dir_rsctx, s ? s : "", 0, NULL, 0);
 	if (!conf_dircontext(found, NULL, &dir))
 		return dir;
-	return xdir == 'r' ? -1 : +1;
+	return xdir < 0 ? -1 : +1;
 }
 
 /* reorder the characters in s */
diff --git a/ex.c b/ex.c
index fc651e6..7cb5296 100644
--- a/ex.c
+++ b/ex.c
@@ -19,7 +19,7 @@ struct lbuf *xb;		/* current buffer */
 int xrow, xcol, xtop;		/* current row, column, and top row */
 int xrow_alt;			/* alternate row, column, and top row */
 int xled = 1;			/* use the line editor */
-int xdir = 'L';			/* current direction context */
+int xdir = +1;			/* current direction context */
 
 /* read ex command location */
 static char *ex_loc(char *s, char *loc)
@@ -446,6 +446,7 @@ static struct option {
 } options[] = {
 	{"ai", "autoindent", &xai},
 	{"ic", "ignorecase", &xic},
+	{"td", "textdirection", &xdir},
 };
 
 static char *cutword(char *s, char *d)
diff --git a/vi.c b/vi.c
index 81df330..968bc80 100644
--- a/vi.c
+++ b/vi.c
@@ -1136,9 +1136,11 @@ static void vi(void)
 					break;
 				case 'l':
 				case 'r':
+					xdir = z == 'r' ? -1 : +1;
+					break;
 				case 'L':
 				case 'R':
-					xdir = z;
+					xdir = z == 'R' ? -2 : +2;
 					break;
 				}
 				redraw = 1;
-- 
2.11.4.GIT