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;;; org-annotate-file.el --- Annotate a file with org syntax
;; Copyright (C) 2008-2014 Philip Jackson
;; Author: Philip Jackson <phil@shellarchive.co.uk>
;; Version: 0.2
;; This file is not currently part of GNU Emacs.
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 2, or (at
;; your option) any later version.
;; This program is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program ; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; This is yet another implementation to allow the annotation of a
;; file without modification of the file itself. The annotation is in
;; org syntax so you can use all of the org features you are used to.
;; To use you might put the following in your .emacs:
;;
;; (require 'org-annotate-file)
;; (global-set-key (kbd "C-c C-l") 'org-annotate-file) ; for example
;;
;; To change the location of the annotation file:
;;
;; (setq org-annotate-file-storage-file "~/annotated.org")
;;
;; Then when you visit any file and hit C-c C-l you will find yourself
;; in an org buffer on a headline which links to the file you were
;; visiting, e.g:
;; * ~/org-annotate-file.el
;; Under here you can put anything you like, save the file
;; and next time you hit C-c C-l you will hit those notes again.
;;
;; To put a subheading with a text search for the current line set
;; `org-annotate-file-add-search` to non-nil value. Then when you hit
;; C-c C-l (on the above line for example) you will get:
;; * ~/org-annotate-file.el
;; ** `org-annotate-file-add-search` to non-nil value. Then whe...
;; Note that both of the above will be links.
(require 'org)
(defvar org-annotate-file-storage-file "~/.org-annotate-file.org"
"File in which to keep annotations.")
(defvar org-annotate-file-add-search nil
"If non-nil then add a link as a second level to the actual
location in the file")
(defvar org-annotate-file-always-open t
"non-nil means always expand the full tree when you visit
`org-annotate-file-storage-file'.")
(defun org-annotate-file-elipsify-desc (string &optional after)
"Strip starting and ending whitespace and replace any chars
that appear after the value in `after' with '...'"
(let* ((after (number-to-string (or after 30)))
(replace-map (list (cons "^[ \t]*" "")
(cons "[ \t]*$" "")
(cons (concat "^\\(.\\{" after
"\\}\\).*") "\\1..."))))
(mapc (lambda (x)
(when (string-match (car x) string)
(setq string (replace-match (cdr x) nil nil string))))
replace-map)
string))
(defun org-annotate-file ()
"Put a section for the current file into your annotation file"
(interactive)
(unless (buffer-file-name)
(error "This buffer has no associated file"))
(org-annotate-file-show-section))
(defun org-annotate-file-show-section (&optional buffer)
"Visit the buffer named `org-annotate-file-storage-file' and
show the relevant section"
(let* ((filename (abbreviate-file-name (or buffer (buffer-file-name))))
(line (buffer-substring-no-properties (point-at-bol) (point-at-eol)))
(link (org-make-link-string (concat "file:" filename) filename))
(search-link (org-make-link-string
(concat "file:" filename "::" line)
(org-annotate-file-elipsify-desc line))))
(with-current-buffer (find-file org-annotate-file-storage-file)
(unless (eq major-mode 'org-mode)
(org-mode))
(goto-char (point-min))
(widen)
(when org-annotate-file-always-open
(show-all))
(unless (search-forward-regexp
(concat "^* " (regexp-quote link)) nil t)
(org-annotate-file-add-upper-level link))
(beginning-of-line)
(org-narrow-to-subtree)
;; deal with a '::' search if need be
(when org-annotate-file-add-search
(unless (search-forward-regexp
(concat "^** " (regexp-quote search-link)) nil t)
(org-annotate-file-add-second-level search-link))))))
(defun org-annotate-file-add-upper-level (link)
(goto-char (point-min))
(call-interactively 'org-insert-heading)
(insert link))
(defun org-annotate-file-add-second-level (link)
(goto-char (point-at-eol))
(call-interactively 'org-insert-subheading)
(insert link))
(provide 'org-annotate-file)
;;; org-annotate-file.el ends here
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