396 lines
14 KiB
EmacsLisp
396 lines
14 KiB
EmacsLisp
;;; org-pcomplete.el --- In-buffer completion code
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;; Copyright (C) 2004-2016 Free Software Foundation, Inc.
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;;
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;; Author: Carsten Dominik <carsten at orgmode dot org>
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;; John Wiegley <johnw at gnu dot org>
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;; Keywords: outlines, hypermedia, calendar, wp
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;; Homepage: http://orgmode.org
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;;
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;; This file is part of GNU Emacs.
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;;
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;;; Code:
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;;;; Require other packages
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(eval-when-compile
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(require 'cl))
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(require 'org-macs)
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(require 'org-compat)
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(require 'pcomplete)
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(declare-function org-split-string "org" (string &optional separators))
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(declare-function org-make-org-heading-search-string "org"
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(&optional string))
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(declare-function org-get-buffer-tags "org" ())
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(declare-function org-get-tags "org" ())
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(declare-function org-buffer-property-keys "org"
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(&optional specials defaults columns ignore-malformed))
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(declare-function org-entry-properties "org" (&optional pom which specific))
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(declare-function org-tag-alist-to-string "org" (alist &optional skip-key))
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;;;; Customization variables
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(defgroup org-complete nil
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"Outline-based notes management and organizer."
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:tag "Org"
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:group 'org)
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(defvar org-drawer-regexp)
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(defvar org-property-re)
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(defvar org-current-tag-alist)
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(defun org-thing-at-point ()
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"Examine the thing at point and let the caller know what it is.
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The return value is a string naming the thing at point."
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(let ((beg1 (save-excursion
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(skip-chars-backward (org-re "[:alnum:]-_@"))
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(point)))
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(beg (save-excursion
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(skip-chars-backward "a-zA-Z0-9-_:$")
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(point)))
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(line-to-here (buffer-substring (point-at-bol) (point))))
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(cond
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((string-match "\\`[ \t]*#\\+begin: clocktable[ \t]+" line-to-here)
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(cons "block-option" "clocktable"))
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((string-match "\\`[ \t]*#\\+begin_src[ \t]+" line-to-here)
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(cons "block-option" "src"))
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((save-excursion
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(re-search-backward "^[ \t]*#\\+\\([A-Z_]+\\):.*"
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(line-beginning-position) t))
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(cons "file-option" (match-string-no-properties 1)))
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((string-match "\\`[ \t]*#\\+[a-zA-Z_]*\\'" line-to-here)
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(cons "file-option" nil))
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((equal (char-before beg) ?\[)
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(cons "link" nil))
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((equal (char-before beg) ?\\)
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(cons "tex" nil))
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((string-match "\\`\\*+[ \t]+\\'"
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(buffer-substring (point-at-bol) beg))
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(cons "todo" nil))
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((equal (char-before beg) ?*)
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(cons "searchhead" nil))
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((and (equal (char-before beg1) ?:)
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(equal (char-after (point-at-bol)) ?*))
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(cons "tag" nil))
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((and (equal (char-before beg1) ?:)
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(not (equal (char-after (point-at-bol)) ?*))
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(save-excursion
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(move-beginning-of-line 1)
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(skip-chars-backward "[ \t\n]")
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;; org-drawer-regexp matches a whole line but while
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;; looking-back, we just ignore trailing whitespaces
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(or (org-looking-back (substring org-drawer-regexp 0 -1)
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(line-beginning-position))
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(org-looking-back org-property-re
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(line-beginning-position)))))
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(cons "prop" nil))
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((and (equal (char-before beg1) ?:)
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(not (equal (char-after (point-at-bol)) ?*)))
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(cons "drawer" nil))
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(t nil))))
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(defun org-command-at-point ()
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"Return the qualified name of the Org completion entity at point.
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When completing for #+STARTUP, for example, this function returns
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\"file-option/startup\"."
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(let ((thing (org-thing-at-point)))
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(cond
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((string= "file-option" (car thing))
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(concat (car thing)
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(and (cdr thing) (concat "/" (downcase (cdr thing))))))
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((string= "block-option" (car thing))
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(concat (car thing) "/" (downcase (cdr thing))))
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(t (car thing)))))
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(defun org-parse-arguments ()
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"Parse whitespace separated arguments in the current region."
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(let ((begin (line-beginning-position))
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(end (line-end-position))
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begins args)
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(save-restriction
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(narrow-to-region begin end)
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(save-excursion
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(goto-char (point-min))
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(while (not (eobp))
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(skip-chars-forward " \t\n[")
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(setq begins (cons (point) begins))
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(skip-chars-forward "^ \t\n[")
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(setq args (cons (buffer-substring-no-properties
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(car begins) (point))
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args)))
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(cons (reverse args) (reverse begins))))))
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(defun org-pcomplete-initial ()
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"Calls the right completion function for first argument completions."
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(ignore
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(funcall (or (pcomplete-find-completion-function
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(car (org-thing-at-point)))
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pcomplete-default-completion-function))))
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(defvar org-options-keywords) ; From org.el
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(defvar org-element-affiliated-keywords) ; From org-element.el
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(declare-function org-get-export-keywords "org" ())
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(defun pcomplete/org-mode/file-option ()
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"Complete against all valid file options."
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(require 'org-element)
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(pcomplete-here
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(org-pcomplete-case-double
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(append (mapcar (lambda (keyword) (concat keyword " "))
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org-options-keywords)
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(mapcar (lambda (keyword) (concat keyword ": "))
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org-element-affiliated-keywords)
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(let (block-names)
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(dolist (name
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'("CENTER" "COMMENT" "EXAMPLE" "EXPORT" "QUOTE" "SRC"
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"VERSE")
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block-names)
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(push (format "END_%s" name) block-names)
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(push (concat "BEGIN_"
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name
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;; Since language is compulsory in
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;; export blocks source blocks, add
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;; a space.
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(and (member name '("EXPORT" "SRC")) " "))
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block-names)
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(push (format "ATTR_%s: " name) block-names)))
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(mapcar (lambda (keyword) (concat keyword ": "))
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(org-get-export-keywords))))
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(substring pcomplete-stub 2)))
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(defun pcomplete/org-mode/file-option/author ()
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"Complete arguments for the #+AUTHOR file option."
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(pcomplete-here (list user-full-name)))
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(defvar org-time-stamp-formats)
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(defun pcomplete/org-mode/file-option/date ()
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"Complete arguments for the #+DATE file option."
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(pcomplete-here (list (format-time-string (car org-time-stamp-formats)))))
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(defun pcomplete/org-mode/file-option/email ()
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"Complete arguments for the #+EMAIL file option."
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(pcomplete-here (list user-mail-address)))
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(defvar org-export-exclude-tags)
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(defun pcomplete/org-mode/file-option/exclude_tags ()
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"Complete arguments for the #+EXCLUDE_TAGS file option."
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(require 'ox)
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(pcomplete-here
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(and org-export-exclude-tags
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(list (mapconcat 'identity org-export-exclude-tags " ")))))
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(defvar org-file-tags)
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(defun pcomplete/org-mode/file-option/filetags ()
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"Complete arguments for the #+FILETAGS file option."
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(pcomplete-here (and org-file-tags (mapconcat 'identity org-file-tags " "))))
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(defvar org-export-default-language)
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(defun pcomplete/org-mode/file-option/language ()
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"Complete arguments for the #+LANGUAGE file option."
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(require 'ox)
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(pcomplete-here
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(pcomplete-uniqify-list
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(list org-export-default-language "en"))))
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(defvar org-default-priority)
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(defvar org-highest-priority)
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(defvar org-lowest-priority)
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(defun pcomplete/org-mode/file-option/priorities ()
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"Complete arguments for the #+PRIORITIES file option."
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(pcomplete-here (list (format "%c %c %c"
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org-highest-priority
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org-lowest-priority
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org-default-priority))))
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(defvar org-export-select-tags)
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(defun pcomplete/org-mode/file-option/select_tags ()
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"Complete arguments for the #+SELECT_TAGS file option."
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(require 'ox)
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(pcomplete-here
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(and org-export-select-tags
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(list (mapconcat 'identity org-export-select-tags " ")))))
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(defvar org-startup-options)
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(defun pcomplete/org-mode/file-option/startup ()
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"Complete arguments for the #+STARTUP file option."
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(while (pcomplete-here
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(let ((opts (pcomplete-uniqify-list
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(mapcar 'car org-startup-options))))
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;; Some options are mutually exclusive, and shouldn't be completed
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;; against if certain other options have already been seen.
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(dolist (arg pcomplete-args)
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(cond
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((string= arg "hidestars")
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(setq opts (delete "showstars" opts)))))
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opts))))
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(defun pcomplete/org-mode/file-option/tags ()
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"Complete arguments for the #+TAGS file option."
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(pcomplete-here
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(list (org-tag-alist-to-string org-current-tag-alist))))
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(defun pcomplete/org-mode/file-option/title ()
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"Complete arguments for the #+TITLE file option."
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(pcomplete-here
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(let ((visited-file (buffer-file-name (buffer-base-buffer))))
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(list (or (and visited-file
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(file-name-sans-extension
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(file-name-nondirectory visited-file)))
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(buffer-name (buffer-base-buffer)))))))
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(declare-function org-export-backend-options "org-export" (cl-x))
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(defun pcomplete/org-mode/file-option/options ()
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"Complete arguments for the #+OPTIONS file option."
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(while (pcomplete-here
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(pcomplete-uniqify-list
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(append
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;; Hard-coded OPTION items always available.
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'("H:" "\\n:" "num:" "timestamp:" "arch:" "author:" "c:"
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"creator:" "date:" "d:" "email:" "*:" "e:" "::" "f:"
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"inline:" "tex:" "p:" "pri:" "':" "-:" "stat:" "^:" "toc:"
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"|:" "tags:" "tasks:" "<:" "todo:")
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;; OPTION items from registered back-ends.
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(let (items)
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(dolist (backend (org-bound-and-true-p
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org-export-registered-backends))
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(dolist (option (org-export-backend-options backend))
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(let ((item (nth 2 option)))
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(when item (push (concat item ":") items)))))
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items))))))
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(defun pcomplete/org-mode/file-option/infojs_opt ()
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"Complete arguments for the #+INFOJS_OPT file option."
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(while (pcomplete-here
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(pcomplete-uniqify-list
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(mapcar (lambda (item) (format "%s:" (car item)))
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(org-bound-and-true-p org-html-infojs-opts-table))))))
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(defun pcomplete/org-mode/file-option/bind ()
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"Complete arguments for the #+BIND file option, which are variable names."
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(let (vars)
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(mapatoms
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(lambda (a) (if (boundp a) (setq vars (cons (symbol-name a) vars)))))
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(pcomplete-here vars)))
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(defvar org-link-abbrev-alist-local)
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(defvar org-link-abbrev-alist)
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(defun pcomplete/org-mode/link ()
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"Complete against defined #+LINK patterns."
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(pcomplete-here
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(pcomplete-uniqify-list
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(copy-sequence
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(append (mapcar 'car org-link-abbrev-alist-local)
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(mapcar 'car org-link-abbrev-alist))))))
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(defvar org-entities)
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(defun pcomplete/org-mode/tex ()
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"Complete against TeX-style HTML entity names."
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(require 'org-entities)
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(while (pcomplete-here
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(pcomplete-uniqify-list (remove nil (mapcar 'car-safe org-entities)))
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(substring pcomplete-stub 1))))
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(defvar org-todo-keywords-1)
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(defun pcomplete/org-mode/todo ()
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"Complete against known TODO keywords."
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(pcomplete-here (pcomplete-uniqify-list (copy-sequence org-todo-keywords-1))))
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(defvar org-todo-line-regexp)
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(defun pcomplete/org-mode/searchhead ()
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"Complete against all headings.
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This needs more work, to handle headings with lots of spaces in them."
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(while
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(pcomplete-here
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(save-excursion
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(goto-char (point-min))
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(let (tbl)
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(while (re-search-forward org-todo-line-regexp nil t)
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(push (org-make-org-heading-search-string
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(match-string-no-properties 3))
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tbl))
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(pcomplete-uniqify-list tbl)))
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(substring pcomplete-stub 1))))
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(defun pcomplete/org-mode/tag ()
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"Complete a tag name. Omit tags already set."
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(while (pcomplete-here
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(mapcar (lambda (x) (concat x ":"))
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(let ((lst (pcomplete-uniqify-list
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(or (remq
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nil
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(mapcar (lambda (x) (org-string-nw-p (car x)))
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org-current-tag-alist))
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(mapcar #'car (org-get-buffer-tags))))))
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(dolist (tag (org-get-tags))
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(setq lst (delete tag lst)))
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lst))
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(and (string-match ".*:" pcomplete-stub)
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(substring pcomplete-stub (match-end 0))))))
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(defun pcomplete/org-mode/prop ()
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"Complete a property name. Omit properties already set."
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(pcomplete-here
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(mapcar (lambda (x)
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(concat x ": "))
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(let ((lst (pcomplete-uniqify-list
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(copy-sequence
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(org-buffer-property-keys nil t t t)))))
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(dolist (prop (org-entry-properties))
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(setq lst (delete (car prop) lst)))
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lst))
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(substring pcomplete-stub 1)))
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(defun pcomplete/org-mode/block-option/src ()
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"Complete the arguments of a begin_src block.
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Complete a language in the first field, the header arguments and switches."
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(pcomplete-here
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(mapcar
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(lambda(x) (symbol-name (nth 3 x)))
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(cdr (car (cdr (memq :key-type (plist-get
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(symbol-plist
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'org-babel-load-languages)
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'custom-type)))))))
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(while (pcomplete-here
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'("-n" "-r" "-l"
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":cache" ":colnames" ":comments" ":dir" ":eval" ":exports"
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":file" ":hlines" ":no-expand" ":noweb" ":results" ":rownames"
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":session" ":shebang" ":tangle" ":tangle-mode" ":var"))))
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(defun pcomplete/org-mode/block-option/clocktable ()
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"Complete keywords in a clocktable line."
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(while (pcomplete-here '(":maxlevel" ":scope" ":lang"
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":tstart" ":tend" ":block" ":step"
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":stepskip0" ":fileskip0"
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":emphasize" ":link" ":narrow" ":indent"
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":tcolumns" ":level" ":compact" ":timestamp"
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":formula" ":formatter" ":wstart" ":mstart"))))
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(defun org-pcomplete-case-double (list)
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"Return list with both upcase and downcase version of all strings in LIST."
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(let (e res)
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(while (setq e (pop list))
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(setq res (cons (downcase e) (cons (upcase e) res))))
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(nreverse res)))
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;;;; Finish up
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(provide 'org-pcomplete)
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;;; org-pcomplete.el ends here
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