mlang pushed a commit to branch externals/chess
in repository elpa.
commit e0457d8d2cc1aaacd1c723633846833c74dc3b6a
Author: Mario Lang <ml...@delysid.org>
Date: Sun May 25 02:33:16 2014 +0200
Make = optional when entering promotions.
* chess-input.el (chess-input-test-move): Rework nested if hell as cond
and make = optional in addition to x.
---
chess-input.el | 18 ++++++++----------
1 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/chess-input.el b/chess-input.el
index e782066..46d3793 100644
--- a/chess-input.el
+++ b/chess-input.el
@@ -52,16 +52,14 @@
(while (and (< i l) (< x xl))
(let ((move-char (aref move i))
(entry-char (aref chess-input-move-string x)))
- (if (and (= move-char ?x)
- (/= entry-char ?x))
- (setq i (1+ i))
- (if (/= entry-char (if (< entry-char ?a)
- move-char
- (downcase move-char)))
- (setq match nil i l)
- (setq i (1+ i) x (1+ x)))))))
- (if match
- move-ply)))
+ (cond
+ ((or (and (= move-char ?x) (/= entry-char ?x))
+ (and (= move-char ?=) (/= entry-char ?=)))
+ (setq i (1+ i)))
+ ((/= entry-char (if (< entry-char ?a) move-char (downcase
move-char)))
+ (setq match nil i l))
+ (t (setq i (1+ i) x (1+ x)))))))
+ (when match move-ply)))
(defsubst chess-input-display-moves (&optional move-list)
(if (> (length chess-input-move-string) 0)
