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authormattkae <mattkae@protonmail.com>2022-06-07 08:23:47 -0400
committermattkae <mattkae@protonmail.com>2022-06-07 08:23:47 -0400
commitbd18a38c2898548a3664a9ddab9f79c84f2caf4a (patch)
tree95b9933376770381bd8859782ae763be81c2d72b /elpa/org-9.5.2/ol-mhe.el
parentb07628dddf418d4f47b858e6c35fd3520fbaeed2 (diff)
parentef160dea332af4b4fe5e2717b962936c67e5fe9e (diff)
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-;;; ol-mhe.el --- Links to MH-E Messages -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2004-2021 Free Software Foundation, Inc.
-
-;; Author: Thomas Baumann <thomas dot baumann at ch dot tum dot de>
-;; Keywords: outlines, hypermedia, calendar, wp
-;; Homepage: https://orgmode.org
-;;
-;; This file is part of GNU Emacs.
-;;
-;; GNU Emacs 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 3 of the License, or
-;; (at your option) any later version.
-
-;; GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;
-;;; Commentary:
-
-;; This file implements links to MH-E messages from within Org.
-;; Org mode loads this module by default - if this is not what you want,
-;; configure the variable `org-modules'.
-
-;;; Code:
-
-(require 'org-macs)
-(require 'ol)
-
-;; Customization variables
-
-(defcustom org-mhe-search-all-folders nil
- "Non-nil means the search for the mh-message may extend to all folders.
-When non-nil, the search for a message will extend to all other
-folders if it cannot be found in the folder given in the link.
-Searching all folders may be slow with the default pick based
-search but is very efficient with one of the other search engines
-supported by MH-E."
- :group 'org-link-follow
- :type 'boolean)
-
-;; Declare external functions and variables
-(declare-function mh-display-msg "mh-show" (msg-num folder-name))
-(declare-function mh-find-path "mh-utils" ())
-(declare-function mh-get-header-field "mh-utils" (field))
-(declare-function mh-get-msg-num "mh-utils" (error-if-no-message))
-(declare-function mh-header-display "mh-show" ())
-(declare-function mh-index-previous-folder "mh-search" ())
-(declare-function mh-normalize-folder-name "mh-utils"
- (folder &optional empty-string-okay dont-remove-trailing-slash
- return-nil-if-folder-empty))
-(declare-function mh-search "mh-search"
- (folder search-regexp &optional redo-search-flag
- window-config))
-(declare-function mh-search-choose "mh-search" (&optional searcher))
-(declare-function mh-show "mh-show" (&optional message redisplay-flag))
-(declare-function mh-show-buffer-message-number "mh-comp" (&optional buffer))
-(declare-function mh-show-header-display "mh-show" t t)
-(declare-function mh-show-msg "mh-show" (msg))
-(declare-function mh-show-show "mh-show" t t)
-(declare-function mh-visit-folder "mh-folder" (folder &optional
- range index-data))
-(defvar mh-progs)
-(defvar mh-current-folder)
-(defvar mh-show-folder-buffer)
-(defvar mh-index-folder)
-(defvar mh-searcher)
-(defvar mh-search-regexp-builder)
-
-;; Install the link type
-(org-link-set-parameters "mhe" :follow #'org-mhe-open :store #'org-mhe-store-link)
-
-;; Implementation
-(defun org-mhe-store-link ()
- "Store a link to an MH-E folder or message."
- (when (or (eq major-mode 'mh-folder-mode)
- (eq major-mode 'mh-show-mode))
- (save-window-excursion
- (let* ((from (org-mhe-get-header "From:"))
- (to (org-mhe-get-header "To:"))
- (message-id (org-mhe-get-header "Message-Id:"))
- (subject (org-mhe-get-header "Subject:"))
- (date (org-mhe-get-header "Date:"))
- link desc)
- (org-link-store-props :type "mh" :from from :to to :date date
- :subject subject :message-id message-id)
- (setq desc (org-link-email-description))
- (setq link (concat "mhe:" (org-mhe-get-message-real-folder) "#"
- (org-unbracket-string "<" ">" message-id)))
- (org-link-add-props :link link :description desc)
- link))))
-
-(defun org-mhe-open (path _)
- "Follow an MH-E message link specified by PATH."
- (let (folder article)
- (if (not (string-match "\\`\\([^#]+\\)\\(#\\(.*\\)\\)?" path))
- (error "Error in MH-E link"))
- (setq folder (match-string 1 path)
- article (match-string 3 path))
- (org-mhe-follow-link folder article)))
-
-;;; mh-e integration based on planner-mode
-(defun org-mhe-get-message-real-folder ()
- "Return the name of the real folder for the current message.
-So if you use sequences, it will now work."
- (save-excursion
- (let* ((folder
- (if (eq major-mode 'mh-folder-mode)
- mh-current-folder
- ;; Refer to the show buffer
- mh-show-folder-buffer))
- (end-index
- (if (boundp 'mh-index-folder)
- (min (length mh-index-folder) (length folder))))
- )
- ;; a simple test on mh-index-data does not work, because
- ;; mh-index-data is always nil in a show buffer.
- (if (and (boundp 'mh-index-folder)
- (string= mh-index-folder (substring folder 0 end-index)))
- (if (eq major-mode 'mh-show-mode)
- (save-window-excursion
- (let (pop-up-frames)
- (when (buffer-live-p (get-buffer folder))
- (progn
- (pop-to-buffer folder)
- (org-mhe-get-message-folder-from-index)
- )
- )))
- (org-mhe-get-message-folder-from-index)
- )
- folder
- )
- )))
-
-(defun org-mhe-get-message-folder-from-index ()
- "Return the name of the message folder in an index folder buffer."
- (save-excursion
- (mh-index-previous-folder)
- (if (re-search-forward "^\\(\\+.*\\)$" nil t)
- (message "%s" (match-string 1)))))
-
-(defun org-mhe-get-message-folder ()
- "Return the name of the current message folder.
-Be careful if you use sequences."
- (save-excursion
- (if (eq major-mode 'mh-folder-mode)
- mh-current-folder
- ;; Refer to the show buffer
- mh-show-folder-buffer)))
-
-(defun org-mhe-get-message-num ()
- "Return the number of the current message.
-Be careful if you use sequences."
- (save-excursion
- (if (eq major-mode 'mh-folder-mode)
- (mh-get-msg-num nil)
- ;; Refer to the show buffer
- (mh-show-buffer-message-number))))
-
-(defun org-mhe-get-header (header)
- "Return the field for HEADER of the message in folder mode.
-This will create a show buffer for the corresponding message. If
-you have a better idea of how to do this then please let us know."
- (let* ((folder (org-mhe-get-message-folder))
- (num (org-mhe-get-message-num))
- (buffer (get-buffer-create (concat "show-" folder)))
- (header-field))
- (with-current-buffer buffer
- (mh-display-msg num folder)
- (if (eq major-mode 'mh-folder-mode)
- (mh-header-display)
- (mh-show-header-display))
- (set-buffer buffer)
- (setq header-field (mh-get-header-field header))
- (if (eq major-mode 'mh-folder-mode)
- (mh-show)
- (mh-show-show))
- (org-trim header-field))))
-
-(defun org-mhe-follow-link (folder article)
- "Follow an MH-E link to FOLDER and ARTICLE.
-If ARTICLE is nil FOLDER is shown. If the configuration variable
-`org-mhe-search-all-folders' is t and `mh-searcher' is pick,
-ARTICLE is searched in all folders. Indexed searches (swish++,
-namazu, and others supported by MH-E) will always search in all
-folders."
- (require 'mh-e)
- (require 'mh-search)
- (require 'mh-utils)
- (mh-find-path)
- (if (not article)
- (mh-visit-folder (mh-normalize-folder-name folder))
- (mh-search-choose)
- (if (eq mh-searcher 'pick)
- (progn
- (setq article (org-link-add-angle-brackets article))
- (mh-search folder (list "--message-id" article))
- (when (and org-mhe-search-all-folders
- (not (org-mhe-get-message-real-folder)))
- (kill-buffer)
- (mh-search "+" (list "--message-id" article))))
- (if mh-search-regexp-builder
- (mh-search "+" (funcall mh-search-regexp-builder
- (list (cons 'message-id article))))
- (mh-search "+" article)))
- (if (org-mhe-get-message-real-folder)
- (mh-show-msg 1)
- (kill-buffer)
- (error "Message not found"))))
-
-(provide 'ol-mhe)
-
-;;; ol-mhe.el ends here