Re: proposal for enhanced org-get-priority function

["I.S." <inquisitive.scientist@gmail.com>]

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Sorry, previous patch had some junk in it. Attached is the final version 
(really).

Sorry again for the confusion,
-I.S.

On 10/29/2010 7:45 AM, I.S. wrote:
> Sorry, I realized the previous patch did not contain updates to the 
> org-priority-regexp. An updated patch is attached.
>
> Sorry,
> -I.S.
>
>
>
> On 10/27/2010 8:01 AM, I.S. wrote:
>> On 10/24/2010 3:18 PM, David Maus wrote:
>>> At Wed, 20 Oct 2010 13:14:39 -0400,
>>> I.S. wrote:
>>>> Dear Experts,
>>>>
>>>> I'd like to propose a replacement for the org-get-priority function
>>>> which is backward compatible with the current version but allows the
>>>> user to add a sub-priority such as [#A]-5 or [#B]+3:
>>>>
>>> Could you provide a patch against current master and send it to the
>>> list as a text/plain attachment?  This way the proposed modification
>>> will end up in Org's patchtracker[1].
>>>
>>> Best,
>>>    -- David
>>>
>>> [1] http://patchwork.newartisans.com/project/org-mode/
>>> -- 
>>> OpenPGP... 0x99ADB83B5A4478E6
>>> Jabber.... dmjena@jabber.org
>>> Email..... dmaus@ictsoc.de
>>
>> I tried looing at patchwork but couldn't figure out what I was 
>> supposed to do. Please advise on usage instructions.
>>
>> Instead, I attached a manually generated patch against org.el in the 
>> development version from git. I created this patch via
>>
>> $ git clone git://repo.or.cz/org-mode.git
>> $ emacs org-mode/lisp/org.el # to modify the file and write it to 
>> org.mine.el
>> $ diff -rup org.el org.mine.el > org-get-priority.patch
>>
>> Please advise on proper procedure as I love org and would enjoy the 
>> chance to contribute in the future.
>>
>> Thanks,
>> -I.S.
>>


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--- org.el	2010-10-29 07:41:17.254401572 -0400
+++ org.mine.el	2010-10-29 07:49:11.814892725 -0400
@@ -12129,7 +12129,7 @@ from the `before-change-functions' in th
 
 ;;;; Priorities
 
-(defvar org-priority-regexp ".*?\\(\\[#\\([A-Z0-9]\\)\\] ?\\)"
+(defvar org-priority-regexp ".*?\\(\\[#\\([A-Z0-9]\\)\\]\\(-[0-9]+\\)? ?\\)"
   "Regular expression matching the priority indicator.")
 
 (defvar org-remove-priority-next-time nil)
@@ -12211,13 +12211,27 @@ ACTION can be `set', `up', `down', or a 
       (message "Priority of current item set to %s" news))))
 
 (defun org-get-priority (s)
-  "Find priority cookie and return priority."
-  (save-match-data
-    (if (not (string-match org-priority-regexp s))
-	(* 1000 (- org-lowest-priority org-default-priority))
-      (* 1000 (- org-lowest-priority
-		 (string-to-char (match-string 2 s)))))))
+  "Find priority cookie and return priority.
 
+Priorities of the form [#<letter>]-<number> or
+[#<letter>]+<number> are supported with +/-<number> being
+optional and modifying the letter priority. The letter priority
+is multiplied by 100000 and then the number priority is added
+on. Thus a priority string of [#B]+5 is higher than [#B] which is
+higher than [#B]-2 and all are lower than [#A].
+"
+  (save-match-data
+    (let* ((priority-match (string-match org-priority-regexp s))
+   (priority-value (if priority-match
+       (* 100000 (- org-lowest-priority
+  (string-to-char (match-string 2 s))))
+     (* 100000 (- org-lowest-priority 
+org-default-priority))))
+   (sub-priority-match (match-string 3 s))
+   (sub-priority-value (if sub-priority-match
+   (string-to-number sub-priority-match) 0)))
+      (+ priority-value sub-priority-value))))
+    
 ;;;; Tags
 
 (defvar org-agenda-archives-mode)

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