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|
;;; org-pcomplete.el --- In-buffer completion code
;; Copyright (C) 2004-2011 Free Software Foundation, Inc.
;;
;; Author: Carsten Dominik <carsten at orgmode dot org>
;; John Wiegley <johnw at gnu dot org>
;; Keywords: outlines, hypermedia, calendar, wp
;; Homepage: http://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 <http://www.gnu.org/licenses/>.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;; Code:
;;;; Require other packages
(eval-when-compile
(require 'cl))
(require 'org-macs)
(require 'pcomplete)
(declare-function org-split-string "org" (string &optional separators))
(declare-function org-get-current-options "org-exp" ())
(declare-function org-make-org-heading-search-string "org"
(&optional string heading))
(declare-function org-get-buffer-tags "org" ())
(declare-function org-get-tags "org" ())
(declare-function org-buffer-property-keys "org"
(&optional include-specials include-defaults include-columns))
(declare-function org-entry-properties "org" (&optional pom which specific))
;;;; Customization variables
(defgroup org-complete nil
"Outline-based notes management and organizer."
:tag "Org"
:group 'org)
(defun org-thing-at-point ()
"Examine the thing at point and let the caller know what it is.
The return value is a string naming the thing at point."
(let ((beg1 (save-excursion
(skip-chars-backward (org-re "[:alnum:]_@"))
(point)))
(beg (save-excursion
(skip-chars-backward "a-zA-Z0-9_:$")
(point)))
(line-to-here (buffer-substring (point-at-bol) (point))))
(cond
((string-match "\\`[ \t]*#\\+begin: clocktable[ \t]+" line-to-here)
(cons "block-option" "clocktable"))
((string-match "\\`[ \t]*#\\+begin_src[ \t]+" line-to-here)
(cons "block-option" "src"))
((save-excursion
(re-search-backward "^[ \t]*#\\+\\([A-Z_]+\\):.*"
(line-beginning-position) t))
(cons "file-option" (match-string-no-properties 1)))
((string-match "\\`[ \t]*#\\+[a-zA-Z]*\\'" line-to-here)
(cons "file-option" nil))
((equal (char-before beg) ?\[)
(cons "link" nil))
((equal (char-before beg) ?\\)
(cons "tex" nil))
((string-match "\\`\\*+[ \t]+\\'"
(buffer-substring (point-at-bol) beg))
(cons "todo" nil))
((equal (char-before beg) ?*)
(cons "searchhead" nil))
((and (equal (char-before beg1) ?:)
(equal (char-after (point-at-bol)) ?*))
(cons "tag" nil))
((and (equal (char-before beg1) ?:)
(not (equal (char-after (point-at-bol)) ?*)))
(cons "prop" nil))
(t nil))))
(defun org-command-at-point ()
"Return the qualified name of the Org completion entity at point.
When completing for #+STARTUP, for example, this function returns
\"file-option/startup\"."
(let ((thing (org-thing-at-point)))
(cond
((string= "file-option" (car thing))
(concat (car thing) "/" (downcase (cdr thing))))
((string= "block-option" (car thing))
(concat (car thing) "/" (downcase (cdr thing))))
(t
(car thing)))))
(defun org-parse-arguments ()
"Parse whitespace separated arguments in the current region."
(let ((begin (line-beginning-position))
(end (line-end-position))
begins args)
(save-restriction
(narrow-to-region begin end)
(save-excursion
(goto-char (point-min))
(while (not (eobp))
(skip-chars-forward " \t\n[")
(setq begins (cons (point) begins))
(skip-chars-forward "^ \t\n[")
(setq args (cons (buffer-substring-no-properties
(car begins) (point))
args)))
(cons (reverse args) (reverse begins))))))
(defun org-pcomplete-initial ()
"Calls the right completion function for first argument completions."
(ignore
(funcall (or (pcomplete-find-completion-function
(car (org-thing-at-point)))
pcomplete-default-completion-function))))
(defvar org-additional-option-like-keywords)
(defun pcomplete/org-mode/file-option ()
"Complete against all valid file options."
(require 'org-exp)
(pcomplete-here
(org-pcomplete-case-double
(mapcar (lambda (x)
(if (= ?: (aref x (1- (length x))))
(concat x " ")
x))
(delq nil
(pcomplete-uniqify-list
(append
(mapcar (lambda (x)
(if (string-match "^#\\+\\([A-Z_]+:?\\)" x)
(match-string 1 x)))
(org-split-string (org-get-current-options) "\n"))
org-additional-option-like-keywords)))))
(substring pcomplete-stub 2)))
(defvar org-startup-options)
(defun pcomplete/org-mode/file-option/startup ()
"Complete arguments for the #+STARTUP file option."
(while (pcomplete-here
(let ((opts (pcomplete-uniqify-list
(mapcar 'car org-startup-options))))
;; Some options are mutually exclusive, and shouldn't be completed
;; against if certain other options have already been seen.
(dolist (arg pcomplete-args)
(cond
((string= arg "hidestars")
(setq opts (delete "showstars" opts)))))
opts))))
(defun pcomplete/org-mode/file-option/bind ()
"Complete arguments for the #+BIND file option, which are variable names"
(let (vars)
(mapatoms
(lambda (a) (if (boundp a) (setq vars (cons (symbol-name a) vars)))))
(pcomplete-here vars)))
(defvar org-link-abbrev-alist-local)
(defvar org-link-abbrev-alist)
(defun pcomplete/org-mode/link ()
"Complete against defined #+LINK patterns."
(pcomplete-here
(pcomplete-uniqify-list
(copy-sequence
(append (mapcar 'car org-link-abbrev-alist-local)
(mapcar 'car org-link-abbrev-alist))))))
(defvar org-entities)
(defun pcomplete/org-mode/tex ()
"Complete against TeX-style HTML entity names."
(require 'org-entities)
(while (pcomplete-here
(pcomplete-uniqify-list (remove nil (mapcar 'car-safe org-entities)))
(substring pcomplete-stub 1))))
(defvar org-todo-keywords-1)
(defun pcomplete/org-mode/todo ()
"Complete against known TODO keywords."
(pcomplete-here (pcomplete-uniqify-list (copy-sequence org-todo-keywords-1))))
(defvar org-todo-line-regexp)
(defun pcomplete/org-mode/searchhead ()
"Complete against all headings.
This needs more work, to handle headings with lots of spaces in them."
(while
(pcomplete-here
(save-excursion
(goto-char (point-min))
(let (tbl)
(while (re-search-forward org-todo-line-regexp nil t)
(push (org-make-org-heading-search-string
(match-string-no-properties 3) t)
tbl))
(pcomplete-uniqify-list tbl)))
(substring pcomplete-stub 1))))
(defvar org-tag-alist)
(defun pcomplete/org-mode/tag ()
"Complete a tag name. Omit tags already set."
(while (pcomplete-here
(mapcar (lambda (x)
(concat x ":"))
(let ((lst (pcomplete-uniqify-list
(or (remove
nil
(mapcar (lambda (x)
(and (stringp (car x)) (car x)))
org-tag-alist))
(mapcar 'car (org-get-buffer-tags))))))
(dolist (tag (org-get-tags))
(setq lst (delete tag lst)))
lst))
(and (string-match ".*:" pcomplete-stub)
(substring pcomplete-stub (match-end 0))))))
(defun pcomplete/org-mode/prop ()
"Complete a property name. Omit properties already set."
(pcomplete-here
(mapcar (lambda (x)
(concat x ": "))
(let ((lst (pcomplete-uniqify-list
(copy-sequence
(org-buffer-property-keys nil t t)))))
(dolist (prop (org-entry-properties))
(setq lst (delete (car prop) lst)))
lst))
(substring pcomplete-stub 1)))
(defun pcomplete/org-mode/block-option/src ()
"Complete the arguments of a begin_src block.
Complete a language in the first field, the header arguments and switches."
(pcomplete-here
(mapcar
(lambda(x) (symbol-name (nth 3 x)))
(cdr (car (cdr (memq :key-type (plist-get
(symbol-plist
'org-babel-load-languages)
'custom-type)))))))
(while (pcomplete-here
'("-n" "-r" "-l"
":cache" ":colnames" ":comments" ":dir" ":eval" ":exports"
":file" ":hlines" ":no-expand" ":noweb" ":results" ":rownames"
":session" ":shebang" ":tangle" ":var"))))
(defun pcomplete/org-mode/block-option/clocktable ()
"Complete keywords in a clocktable line"
(while (pcomplete-here '(":maxlevel" ":scope"
":tstart" ":tend" ":block" ":step"
":stepskip0" ":fileskip0"
":emphasize" ":link" ":narrow" ":indent"
":tcolumns" ":level" ":compact" ":timestamp"
":formula" ":formatter"))))
(defun org-pcomplete-case-double (list)
"Return list with both upcase and downcase version of all strings in LIST."
(let (e res)
(while (setq e (pop list))
(setq res (cons (downcase e) (cons (upcase e) res))))
(nreverse res)))
;;;; Finish up
(provide 'org-pcomplete)
;;; org-pcomplete.el ends here
|
