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-rw-r--r--emacs/.emacs.d/lisp/my/my-editing.el79
1 files changed, 72 insertions, 7 deletions
diff --git a/emacs/.emacs.d/lisp/my/my-editing.el b/emacs/.emacs.d/lisp/my/my-editing.el
index aa65ba1..e6499ff 100644
--- a/emacs/.emacs.d/lisp/my/my-editing.el
+++ b/emacs/.emacs.d/lisp/my/my-editing.el
@@ -90,7 +90,7 @@
(interactive)
(zap-up-to-char -1 ?/))
-(defun my-toggle-forward-word-viper-symbol ()
+(defun my-toggle-forward-word-symbol ()
(interactive)
(require 'viper)
(cond ((eq (lookup-key (current-global-map) "\M-f") 'forward-word)
@@ -102,14 +102,47 @@
(progn
(define-key global-map "\M-f" 'forward-symbol)
(define-key global-map "\M-b"
- (lambda () (interactive)
- (forward-symbol -1)))
+ (lambda () (interactive)
+ (forward-symbol -1)))
(message "M-f is forward-symbol")))
(t (progn
(define-key global-map "\M-f" 'forward-word)
(define-key global-map "\M-b" 'backward-word)
(message "M-f is forward-word")))))
+;;; todo: move to my-viper
+;;; do not skip underscore
+(defun viper-forward-word-kernel (val)
+ (while (> val 0)
+ (cond ((viper-looking-at-alpha)
+ (viper-skip-alpha-forward "")
+ (viper-skip-separators t))
+ ((viper-looking-at-separator)
+ (viper-skip-separators t))
+ ((not (viper-looking-at-alphasep))
+ (viper-skip-nonalphasep-forward)
+ (viper-skip-separators t)))
+ (setq val (1- val))))
+
+(defun viper-backward-word-kernel (val)
+ (while (> val 0)
+ (viper-backward-char-carefully)
+ (cond ((viper-looking-at-alpha)
+ (viper-skip-alpha-backward ""))
+ ((viper-looking-at-separator)
+ (forward-char)
+ (viper-skip-separators nil)
+ (viper-backward-char-carefully)
+ (cond ((viper-looking-at-alpha)
+ (viper-skip-alpha-backward "_"))
+ ((not (viper-looking-at-alphasep))
+ (viper-skip-nonalphasep-backward))
+ ((bobp)) ; could still be at separator, but at beg of buffer
+ (t (forward-char))))
+ ((not (viper-looking-at-alphasep))
+ (viper-skip-nonalphasep-backward)))
+ (setq val (1- val))))
+
(defun my--duplicate-buffer-substring (beg end &optional indent)
"Duplicate buffer substring between BEG and END positions.
With optional INDENT, run `indent-for-tab-command' after
@@ -495,7 +528,7 @@ With an prefix-arg, copy the file name relative to project root."
(interactive)
(let ((old-max (point-max))
(old-point (point)))
- (comment-kill (or n 1))
+ (when comment-start (comment-kill (or n 1)))
(when (= old-max (point-max))
(goto-char old-point)
(kill-sexp n))))
@@ -513,11 +546,32 @@ With an prefix-arg, copy the file name relative to project root."
(defun my-elide-region (b e)
(interactive "r")
- (let ((message-elide-ellipsis (concat comment-start
- " [... %l lines elided]
-")))
+ (let ((message-elide-ellipsis
+ (if (> 1 (count-lines b (min (1+ e) (point-max))))
+ (concat comment-start
+ " [... %l lines elided]
+")
+ (format " [... %d words elided]" (count-words b e)))))
(message-elide-region b e)))
+(defun my-elide-text (text limit)
+ "Elide TEXT to about LIMIT characters."
+ (let ((keep (- limit 25)))
+ (when (< keep 0)
+ (error "Too few characters to limit to. Should be at least 25."))
+ (with-temp-buffer
+ (insert text)
+ (goto-char (point-min))
+ (while (and (<= (point) keep) (< (point) (point-max)))
+ (forward-word))
+ (cond ((> (point) keep)
+ (backward-word)
+ (my-elide-region (point) (point-max))
+ (buffer-string))
+ (t text))
+ ))
+ )
+
(defun my-replace-no-filter (old-fun &rest r)
(let ((search-invisible t))
(apply old-fun r)))
@@ -525,5 +579,16 @@ With an prefix-arg, copy the file name relative to project root."
(defun my-turn-off-truncate-lines ()
(setq truncate-lines nil))
+(defun my-write-file ()
+ "Same as `write-file', but keep the old buffer and remain there.
+
+In other words, create a new buffer with the same content and
+execute `write-file', then switch back to the current buffer."
+ (interactive)
+ (let ((old-buffer (current-buffer)))
+ (with-temp-buffer
+ (insert-buffer-substring old-buffer)
+ (call-interactively 'write-file))))
+
(provide 'my-editing)
;;; my-editing.el ends here