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From: Ken Williams <Ken.Williams@windlogics.com>
To: "emacs-orgmode@gnu.org" <emacs-orgmode@gnu.org>
Subject: [patch] change indentation logic for edit-src
Date: Thu, 16 Aug 2012 14:30:06 -0500	[thread overview]
Message-ID: <21A5E1E970CD46459ECBE86D6CC4B28C674153FC@spexch01.WindLogics.local> (raw)

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Following on a message from a few days ago, I've prepared a patch (attached) that alters the behavior of 'org-edit-src-exit' so that it no longer adds an extra 2 spaces of indentation each time a source block (or a table.el table) is edited.  Previously a workaround was to set 'org-src-preserve-indentation', but without that set, you'd get the undesirable behavior.

There's probably some stuff wrong with this approach - let me know.  I'm new to both elisp programming and the org-mode code.

I also created a little utility function 'org-prefixify', not sure whether that's kosher or not.  One change that would be nice to make to it is to avoid prefixing the final line if it's blank, but I couldn't get that to work.  Also - could that essentially be replaced by a call to string-insert-rectangle?

Ken Williams, Senior Research Scientist

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From d80b7726402a39b4c8a630a86614b0ba9d7eca6a Mon Sep 17 00:00:00 2001
From: Ken Williams <Ken.Williams@WindLogics.com>
Date: Thu, 16 Aug 2012 13:26:44 -0500
Subject: [PATCH] Change the edit-src-save code so that it either preserves
 original formatting, or imposes its new indentation, but
 not both.

 lisp/org-src.el |   22 +++++++++++-----------
 1 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/lisp/org-src.el b/lisp/org-src.el
index c110f32..61b800f 100644
--- a/lisp/org-src.el
+++ b/lisp/org-src.el
@@ -601,11 +601,9 @@ the language, a switch telling if the content should be in a single line."
 	 (buffer (current-buffer))
 	 (single (org-bound-and-true-p org-edit-src-force-single-line))
 	 (macro (eq single 'macro-definition))
-	 (total-nindent (+ (or org-edit-src-block-indentation 0)
-			   org-edit-src-content-indentation))
 	 (preserve-indentation org-src-preserve-indentation)
 	 (allow-write-back-p (org-bound-and-true-p org-edit-src-allow-write-back-p))
-	 (delta 0) code line col indent)
+	 (delta 0) code line col indent total-nindent)
     (when allow-write-back-p
       (unless preserve-indentation (untabify (point-min) (point-max)))
       (if org-src-strip-leading-and-trailing-blank-lines
@@ -640,14 +638,10 @@ the language, a switch telling if the content should be in a single line."
       (when (org-bound-and-true-p org-edit-src-picture)
 	(setq preserve-indentation nil)
 	(untabify (point-min) (point-max))
-	(goto-char (point-min))
-	(while (re-search-forward "^" nil t)
-	  (replace-match ": ")))
-      (unless (or single preserve-indentation (= total-nindent 0))
-	(setq indent (make-string total-nindent ?\ ))
-	(goto-char (point-min))
-	(while (re-search-forward "^" nil t)
-	  (replace-match indent)))
+	(org-prefixify ": "))
+      (setq total-nindent (if preserve-indentation (or org-edit-src-block-indentation 0)
+			    org-edit-src-content-indentation ))
+      (org-prefixify (make-string total-nindent ?\ ))
       (if (org-bound-and-true-p org-edit-src-picture)
 	  (setq total-nindent (+ total-nindent 2)))
       (setq code (buffer-string))
@@ -692,6 +686,12 @@ the language, a switch telling if the content should be in a single line."
      (message (or msg ""))))
 (def-edebug-spec org-src-in-org-buffer (body))
+(defun org-prefixify (s)
+  (unless (string= "" s)
+    (goto-char (point-min))
+    (while (re-search-forward "^" nil t)
+      (replace-match s))))
 (defun org-edit-src-save ()
   "Save parent buffer with current state source-code buffer."

             reply	other threads:[~2012-08-16 19:30 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-16 19:30 Ken Williams [this message]
2012-08-21 23:13 ` Bastien
2012-08-22 13:58   ` Ken Williams
2012-08-22 14:32     ` Bastien
2012-08-17 15:27 Ken Williams
2012-08-17 15:47 ` Nick Dokos

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