;;; ispell.el --- interface to International Ispell Versions 3.1 and 3.2
-;; Copyright (C) 1994-1995, 1997-2015 Free Software Foundation, Inc.
+;; Copyright (C) 1994-1995, 1997-2016 Free Software Foundation, Inc.
;; Author: Ken Stevens <k.stevens@ieee.org>
;; Maintainer: Ken Stevens <k.stevens@ieee.org>
Each element of this list is also a list:
-\(DICTIONARY-NAME CASECHARS NOT-CASECHARS OTHERCHARS MANY-OTHERCHARS-P
- ISPELL-ARGS EXTENDED-CHARACTER-MODE CHARACTER-SET\)
+ (DICTIONARY-NAME CASECHARS NOT-CASECHARS OTHERCHARS MANY-OTHERCHARS-P
+ ISPELL-ARGS EXTENDED-CHARACTER-MODE CHARACTER-SET)
DICTIONARY-NAME is a possible string value of variable `ispell-dictionary',
nil means the default dictionary.
Note that with \"ispell\" as the speller, the CASECHARS and
OTHERCHARS slots of the alist should contain the same character
set as casechars and otherchars in the LANGUAGE.aff file \(e.g.,
-english.aff\). Aspell and Hunspell don't have this limitation.")
+english.aff). Aspell and Hunspell don't have this limitation.")
(defvar ispell-really-aspell nil
"Non-nil if we can use Aspell extensions.")
a `~' followed by an extended-character mode -- such as `~.tex'.
The last occurring definition in the buffer will be used.")
+(defun ispell--\\w-filter (char)
+ "Return CHAR in a string when CHAR doesn't have \"word\" syntax,
+nil otherwise. CHAR must be a character."
+ (let ((str (string char)))
+ (and
+ (not (string-match "\\w" str))
+ str)))
+
+(defun ispell--make-\\w-expression (chars)
+ "Make a regular expression like \"\\(\\w\\|[-_]\\)\".
+This (parenthesized) expression matches either a character of
+\"word\" syntax or one in CHARS.
+
+CHARS is a string of characters. A member of CHARS is omitted
+from the expression if it already has word syntax. (Be careful
+about special characters such as ?\\, ?^, ?], and ?- in CHARS.)
+If after this filtering there are no chars left, or only one, a
+special form of the expression is generated."
+ (let ((filtered
+ (mapconcat #'ispell--\\w-filter chars "")))
+ (concat
+ "\\(\\w"
+ (cond
+ ((equal filtered "")
+ "\\)")
+ ((eq (length filtered) 1)
+ (concat "\\|" filtered "\\)"))
+ (t
+ (concat "\\|[" filtered "]\\)"))))))
+
+(defun ispell--make-filename-or-URL-re ()
+ "Construct a regexp to match some file names or URLs or email addresses.
+The expression is crafted to match as great a variety of these
+objects as practicable, without too many false matches happening."
+ (concat ;"\\(--+\\|_+\\|"
+ "\\(/\\w\\|\\("
+ (ispell--make-\\w-expression "-_")
+ "+[.:@]\\)\\)"
+ (ispell--make-\\w-expression "-_")
+ "*\\([.:/@]+"
+ (ispell--make-\\w-expression "-_~=?&")
+ "+\\)+"
+ ;"\\)"
+ ))
+
;;;###autoload
(defvar ispell-skip-region-alist
`((ispell-words-keyword forward-line)
;; Matches e-mail addresses, file names, http addresses, etc. The
;; `-+' `_+' patterns are necessary for performance reasons when
;; `-' or `_' part of word syntax.
- (,(purecopy "\\(--+\\|_+\\|\\(/\\w\\|\\(\\(\\w\\|[-_]\\)+[.:@]\\)\\)\\(\\w\\|[-_]\\)*\\([.:/@]+\\(\\w\\|[-_~=?&]\\)+\\)+\\)"))
+; (,(purecopy "\\(--+\\|_+\\|\\(/\\w\\|\\(\\(\\w\\|[-_]\\)+[.:@]\\)\\)\\(\\w\\|[-_]\\)*\\([.:/@]+\\(\\w\\|[-_~=?&]\\)+\\)+\\)"))
;; above checks /.\w sequences
;;("\\(--+\\|\\(/\\|\\(\\(\\w\\|[-_]\\)+[.:@]\\)\\)\\(\\w\\|[-_]\\)*\\([.:/@]+\\(\\w\\|[-_~=?&]\\)+\\)+\\)")
;; This is a pretty complex regexp. It can be simplified to the following:
If optional argument FOLLOWING is non-nil or if `ispell-following-word'
is non-nil when called interactively, then the following word
-\(rather than preceding\) is checked when the cursor is not over a word.
+\(rather than preceding) is checked when the cursor is not over a word.
When the optional argument QUIETLY is non-nil or `ispell-quietly' is non-nil
when called interactively, non-corrective messages are suppressed.
nil word is correct or spelling is accepted.
0 word is inserted into buffer-local definitions.
\"word\" word corrected from word list.
-\(\"word\" arg\) word is hand entered.
+\(\"word\" arg) word is hand entered.
quit spell session exited."
(interactive (list ispell-following-word ispell-quietly current-prefix-arg t))
(cond
"Return the word for spell-checking according to ispell syntax.
If optional argument FOLLOWING is non-nil or if `ispell-following-word'
is non-nil when called interactively, then the following word
-\(rather than preceding\) is checked when the cursor is not over a word.
+\(rather than preceding) is checked when the cursor is not over a word.
Optional second argument contains otherchars that can be included in word
many times (see the doc string of `ispell-dictionary-alist' for details
about otherchars).
(setq ispell-pdict-modified-p nil))
+(defvar ispell-update-post-hook nil
+ "A normal hook invoked from the ispell command loop.
+It is called once per iteration, before displaying a prompt to
+the user.")
+
(defun ispell-command-loop (miss guess word start end)
"Display possible corrections from list MISS.
GUESS lists possibly valid affix construction of WORD.
count (ispell-int-char (1+ count))))
(setq count (ispell-int-char (- count ?0 skipped))))
+ (run-hooks 'ispell-update-post-hook)
+
;; ensure word is visible
- (if (not (pos-visible-in-window-p end))
+ (if (not (pos-visible-in-window-group-p end))
(sit-for 0))
;; Display choices for misspelled word.
(regexp-quote (buffer-substring-no-properties start end))
"\\b"))
(isearch-regexp t)
+ (isearch-regexp-function nil)
(isearch-case-fold-search nil)
(isearch-forward t)
(isearch-other-end start)
(prog1
(condition-case nil
(split-window
- nil (- ispell-choices-win-default-height) 'above)
+ ;; Chose the last of a window group, since
+ ;; otherwise, the lowering of another window's
+ ;; TL corner would cause the logical order of
+ ;; the windows to be changed.
+ (car (last (selected-window-group)))
+ (- ispell-choices-win-default-height) 'above)
(error nil))
(modify-frame-parameters frame '((unsplittable . t))))))
(and (not unsplittable)
(condition-case nil
(split-window
- nil (- ispell-choices-win-default-height) 'above)
+ ;; See comment above.
+ (car (last (selected-window-group)))
+ (- ispell-choices-win-default-height) 'above)
(error nil)))
(display-buffer buffer))))
(if (not window)
(if (string= "" comment-end) "^" (regexp-quote comment-end)))
(if (and (null ispell-check-comments) comment-start)
(regexp-quote comment-start))
- (ispell-begin-skip-region ispell-skip-region-alist)))
+ (ispell-begin-skip-region ispell-skip-region-alist)
+ (ispell--make-filename-or-URL-re)))
"\\|"))
The list is of the form described by variable `ispell-skip-region-alist'.
Must be called after `ispell-buffer-local-parsing' due to dependence on mode."
(let ((skip-alist ispell-skip-region-alist))
+ (setq skip-alist (append (list (list (ispell--make-filename-or-URL-re)))
+ skip-alist))
;; only additional explicit region definition is tex.
(if (eq ispell-parser 'tex)
(setq case-fold-search nil
(ispell-non-empty-string vm-included-text-prefix)))
(t default-prefix)))
(ispell-skip-region-alist
- (cons (list (concat "^\\(" cite-regexp "\\)")
- (function forward-line))
- ispell-skip-region-alist))
+ (cons (list (ispell--make-filename-or-URL-re))
+ (cons (list (concat "^\\(" cite-regexp "\\)")
+ (function forward-line))
+ ispell-skip-region-alist)))
(old-case-fold-search case-fold-search)
(dictionary-alist ispell-message-dictionary-alist)
(ispell-checking-message t))