emacs/lisp/+ispell.el

98 lines
3.6 KiB
EmacsLisp

;;; +ispell.el --- Customizations for `ispell' -*- lexical-binding: t; -*-
;;; Commentary:
;;; Code:
(require 'cl-lib)
(require 'seq)
;; Utility function TODO: move elsewhere
(defun +ispell-append-removing-duplicates (&rest lists)
"Append LISTS, removing duplicates from the result.
Any keyword arguments to `cl-remove-duplicates' should come
before the LISTS."
(let (cl-remove-duplicates-args)
(while (keywordp (car lists))
(push (pop lists) cl-remove-duplicates-args)
(push (pop lists) cl-remove-duplicates-args))
(apply #'cl-remove-duplicates (apply #'append lists)
(nreverse cl-remove-duplicates-args))))
;;; Ispell in .dir-locals
;; Let Emacs know a list of strings is safe
(defun +ispell-safe-local-p (list)
(and (listp list)
(seq-every-p #'stringp list)))
;; Can I instruct ispell to insert LocalWords in a different file?
;; https://emacs.stackexchange.com/q/31396/2264
;; How can I move all my file-local LocalWords to .dir-locals.el?
;; https://emacs.stackexchange.com/q/31419
;; Adapted from ispell.el:ispell-buffer-local-words
(defun +ispell-buffer-local-words-list ()
(let (words)
(or ispell-buffer-local-name
(setq ispell-buffer-local-name (buffer-name)))
(save-excursion
(goto-char (point-min))
(while (search-forward ispell-words-keyword nil t)
(let ((end (point-at-eol))
(ispell-casechars (ispell-get-casechars))
string)
(while (re-search-forward " *\\([^ ]+\\)" end t)
(setq string (match-string-no-properties 1))
(if (and (< 1 (length string))
(equal 0 (string-match ispell-casechars string)))
(push string words))))))
words))
;;;###autoload
(defun +ispell-move-buffer-words-to-dir-locals (&optional arg)
"Move the current buffer-local words to .dir-locals.el.
This function prompts the user to save .dir-locals.el, unless
prefix ARG is non-nil; then it just saves them."
(interactive "P")
(unless (buffer-file-name)
(user-error "Buffer not attached to file"))
(hack-dir-local-variables)
(let ((print-level nil)
(print-length nil))
(when-let ((new-words (cl-remove-if (lambda (el) (eq el '\.\.\.)) ; XXX: NO IDEA
; where this came from
(+ispell-append-removing-duplicates
:test #'string=
ispell-buffer-session-localwords
(alist-get 'ispell-buffer-session-localwords
dir-local-variables-alist)
(alist-get 'ispell-buffer-session-localwords
file-local-variables-alist)
(+ispell-buffer-local-words-list)))))
(save-excursion
(add-dir-local-variable
major-mode
'ispell-buffer-session-localwords
(setq ispell-buffer-session-localwords
new-words))
(when (or arg
(y-or-n-p "Save .dir-locals.el?"))
(save-buffer))
(bury-buffer))
(or ispell-buffer-local-name
(setq ispell-buffer-local-name (buffer-name)))
(save-excursion
(goto-char (point-min))
(while (search-forward ispell-words-keyword nil t)
(delete-region (point-at-bol) (1+ (point-at-eol))))))))
;;;###autoload
(defun +ispell-move-buffer-words-to-dir-locals-hook ()
"Convenience function for binding to a hook."
(+ispell-move-buffer-words-to-dir-locals t))
(provide '+ispell)
;;; +ispell.el ends here