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From: Daimrod <daimrod@gmail.com>
To: emacs-orgmode@gnu.org
Subject: [PATCH] Add `org-reverse-string'
Date: Sat, 26 Jan 2013 21:44:41 +0100	[thread overview]
Message-ID: <87zjzv3c92.fsf@casa.home> (raw)


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I needed a `reverse-string' function and I've found two in Org Mode.
`org-babel-reverse-string' and `org-id-reverse-string'. So instead of
rolling my own (I'm playing with `org-contacts.el'), I think it would
be better to unify those functions into one.


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From e058c4fac767a5faffd8debaabc489c174eef583 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gr=C3=A9goire=20Jadi?= <gregoire.jadi@gmail.com>
Date: Sat, 26 Jan 2013 21:12:54 +0100
Subject: [PATCH] Unify `org-id-reverse-string' and `org-babel-reverse-string'
 into `org-reverse-string'

* lisp/org.el (org-reverse-string): Add `org-reverse-string' to
  reverse a string.
* lisp/org-id.el: Replace `org-id-reverse-string' by
  `org-reverse-string'.
* lisp/ob-core.el: Replace `org-babel-reverse-string' by `org-reverse-string'

TINYCHANGE
---
 lisp/ob-core.el |    8 ++------
 lisp/org-id.el  |    7 ++-----
 lisp/org.el     |    4 ++++
 3 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/lisp/ob-core.el b/lisp/ob-core.el
index 9e4c8b1..0a495d0 100644
--- a/lisp/ob-core.el
+++ b/lisp/ob-core.el
@@ -2495,10 +2495,6 @@ If the table is trivial, then return it as a scalar."
                            (match-string 1 cell))
                       cell) t))
 
-(defun org-babel-reverse-string (string)
-  "Return the reverse of STRING."
-  (apply 'string (reverse (string-to-list string))))
-
 (defun org-babel-chomp (string &optional regexp)
   "Strip trailing spaces and carriage returns from STRING.
 Default regexp used is \"[ \f\t\n\r\v]\" but can be
@@ -2513,8 +2509,8 @@ overwritten by specifying a regexp as a second argument."
   "Strip leading and trailing spaces and carriage returns from STRING.
 Like `org-babel-chomp' only it runs on both the front and back
 of the string."
-  (org-babel-chomp (org-babel-reverse-string
-                    (org-babel-chomp (org-babel-reverse-string string) regexp))
+  (org-babel-chomp (org-reverse-string
+                    (org-babel-chomp (org-reverse-string string) regexp))
                    regexp))
 
 (defvar org-babel-org-babel-call-process-region-original nil)
diff --git a/lisp/org-id.el b/lisp/org-id.el
index b35ea5e..bb503bd 100644
--- a/lisp/org-id.el
+++ b/lisp/org-id.el
@@ -343,7 +343,7 @@ So a typical ID could look like \"Org:4nd91V40HI\"."
       (unless (org-uuidgen-p unique)
 	(setq unique (org-id-uuid))))
      ((eq org-id-method 'org)
-      (let* ((etime (org-id-reverse-string (org-id-time-to-b36)))
+      (let* ((etime (org-reverse-string (org-id-time-to-b36)))
 	     (postfix (if org-id-include-domain
 			  (progn
 			    (require 'message)
@@ -376,9 +376,6 @@ So a typical ID could look like \"Org:4nd91V40HI\"."
 	    (substring rnd 18 20)
 	    (substring rnd 20 32))))
 
-(defun org-id-reverse-string (s)
-  (mapconcat 'char-to-string (nreverse (string-to-list s)) ""))
-
 (defun org-id-int-to-b36-one-digit (i)
   "Turn an integer between 0 and 61 into a single character 0..9, A..Z, a..z."
   (cond
@@ -432,7 +429,7 @@ and time is the usual three-integer representation of time."
     (if (= 2 (length parts))
 	(setq prefix (car parts) time (nth 1 parts))
       (setq prefix nil time (nth 0 parts)))
-    (setq time (org-id-reverse-string time))
+    (setq time (org-reverse-string time))
     (setq time (list (org-id-b36-to-int (substring time 0 4))
 		     (org-id-b36-to-int (substring time 4 8))
 		     (org-id-b36-to-int (substring time 8 12))))
diff --git a/lisp/org.el b/lisp/org.el
index 5033cbf..65c8c60 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -21038,6 +21038,10 @@ for the search purpose."
 		(error "Unable to create a link to here"))))
     (org-occur-in-agenda-files (regexp-quote link))))
 
+(defun org-reverse-string (string)
+  "Return the reverse of STRING."
+  (apply 'string (reverse (string-to-list string))))
+
 (defun org-uniquify (list)
   "Remove duplicate elements from LIST."
   (let (res)
-- 
1.7.10.4


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-- 
Daimrod/Greg

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             reply	other threads:[~2013-01-26 20:43 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-26 20:44 Daimrod [this message]
2013-01-26 21:02 ` [PATCH] Add `org-reverse-string' Eric Schulte
2013-01-26 21:35   ` Daimrod
2013-02-13 15:33     ` Bastien

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