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outorg

Outorg is for editing comment-sections of source-code files in temporary Org-mode buffers. It turns conventional literate-programming upside-down in that the default mode is the programming-mode, and special action has to be taken to switch to the text-mode (i.e. Org-mode).

Outorg depends on Outshine, i.e. outline-minor-mode with outshine extensions activated. An outshine buffer is structured like an org-mode buffer, only with outcommented headlines. While in Org-mode text is text and source-code is ‘hidden’ inside of special src-blocks, in an outshine buffer source-code is source-code and text is ‘hidden’ as comments.

Thus org-mode and programming-mode are just two different views on the outshine-style structured source-file, and outorg is the tool to switch between these two views. When switching from a programming-mode to org-mode, the comments are converted to text and the source-code is put into src-blocks. When switching back from org-mode to the programming-mode, the process is reversed - the text is outcommented again and the src-blocks that enclose the source-code are removed.

When the code is more important than the text, i.e. when the task is “literate programming” rather than ”literate programming,” it is often more convenient to work in a programming-mode and switch to org-mode once in a while than vice-versa. Outorg is really fast, even big files with 10k lines are converted in a second or so, and the user decides if he wants to convert just the current subtree (done instantly) or the whole buffer. Since text needs no session handling or variable passing or other special treatment, the outorg approach is much simpler than the Org-Babel approach. However, the full power of Org-Babel is available once the outorg-edit-buffer has popped up.

Contents

Installation

MELPA

If you install from MELPA, you’re done.

Manual

First install Outshine, then (require 'outorg) in your init file.

Usage

Outorg assumes that you set outline-minor-mode-prefix in your init-file to M-#, like this:

;; Must be set before outline is loaded
(defvar outline-minor-mode-prefix "\M-#")

Outorg’s main command is outorg-edit-as-org (by default, bound to M-# #), to be used in source-code buffers where outline-minor-mode is activated with outshine extensions. The Org-mode edit-buffer popped up by this command is called outorg-edit-buffer and has outorg-edit-minor-mode activated, a minor-mode with only 2 commands:

  • outorg-copy-edits-and-exit (M-#)
  • outorg-save-edits-to-tmp-file (C-x C-s)

If you want to insert Org-mode source-code or example blocks in comment-sections, i.e. you don’t want outorg to remove the enclosing blocks, simply outcomment them in the outorg-edit buffer before calling outorg-copy-edits-and-exit.

Changelog

2.1-pre

Additions:

  • Convert readme to Org.
  • Display blank lines between code blocks and regular text when editing.
  • Use SRC blocks more often (i.e. when the source buffer has a major mode).

Fixes:

  • Use setq-local instead of org-set-local
  • Verify outline-minor-mode is active before trying to edit.
  • Display the actual keybinding of outorg-copy-edits-and-exit in the header line of the edit buffer.

Pre-2.1 changelog

dateauthor(s)version
<2014-09-20 Sa>Thorsten Jolitz2.0
<2013-05-03 Fr>Thorsten Jolitz1.0
<2013-02-11 Mo>Thorsten Jolitz0.9

Bugs and Shortcomings

Outorg started out purely line-based, it only worked with one-line comments, i.e. with comment-sections like those produced by comment-region (a command that comments or uncomments each line in the region). It was enhanced later on to recognize comment regions too, i.e. those special multi-line comments found in many programming languages. But using outorg on such multi-line comments will probably change their syntax back to single-line whenever comment-region uses this style.

Credits

Outorg was originally written by Thorsten Jolitz, who transferred maintainership to Adam Porter in April 2017.

License

GPLv2 or later.

Tests

Note: The tests are currently non-functional. They should be updated using assess rather than ert-buffer.

A special kind of test has been developed for outorg using the ert-buffer library, the so called ‘conversion test’. It has the following steps:

  1. programming-mode -> org-mode
  2. edit in org-mode, store undo-information
  3. org-mode -> programming-mode
  4. programming-mode -> org-mode (again)
  5. undo edits
  6. org-mode -> programming-mode (again)

After these 4 conversions, the original programming-mode buffer must be unchanged when the conversion process is perfect, i.e. does not introduce any changes itself. See outorg-test.el for details.

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Convert source-code buffers temporarily to Org-mode for comment editing

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