Add operate-on-number

Replace prelude functions for increment and decrement of numbers.

Signed-off-by: Tu Do <tu.h.do@dektech.com.au>

core/prelude-core.el

@@ -477,67 +477,6 @@ With a prefix ARG updates all installed packages."
                             (epl-installed-packages))))
     (message "Update finished. Restart Emacs to complete the process.")))
 
-(defun thing-at-point-goto-end-of-integer ()
-  "Go to end of integer at point."
-  (let ((inhibit-changing-match-data t))
-    ;; Skip over optional sign
-    (when (looking-at "[+-]")
-      (forward-char 1))
-    ;; Skip over digits
-    (skip-chars-forward "[[:digit:]]")
-    ;; Check for at least one digit
-    (unless (looking-back "[[:digit:]]")
-      (error "No integer here"))))
-(put 'integer 'beginning-op 'thing-at-point-goto-end-of-integer)
-
-(defun thing-at-point-goto-beginning-of-integer ()
-  "Go to end of integer at point."
-  (let ((inhibit-changing-match-data t))
-    ;; Skip backward over digits
-    (skip-chars-backward "[[:digit:]]")
-    ;; Check for digits and optional sign
-    (unless (looking-at "[+-]?[[:digit:]]")
-      (error "No integer here"))
-    ;; Skip backward over optional sign
-    (when (looking-back "[+-]")
-      (backward-char 1))))
-(put 'integer 'beginning-op 'thing-at-point-goto-beginning-of-integer)
-
-(defun thing-at-point-bounds-of-integer-at-point ()
-  "Get boundaries of integer at point."
-  (save-excursion
-    (let (beg end)
-      (thing-at-point-goto-beginning-of-integer)
-      (setq beg (point))
-      (thing-at-point-goto-end-of-integer)
-      (setq end (point))
-      (cons beg end))))
-(put 'integer 'bounds-of-thing-at-point 'thing-at-point-bounds-of-integer-at-point)
-
-(defun thing-at-point-integer-at-point ()
-  "Get integer at point."
-  (let ((bounds (bounds-of-thing-at-point 'integer)))
-    (string-to-number (buffer-substring (car bounds) (cdr bounds)))))
-(put 'integer 'thing-at-point 'thing-at-point-integer-at-point)
-
-(defun prelude-increment-integer-at-point (&optional inc)
-  "Increment integer at point by one.
-
-With numeric prefix arg INC, increment the integer by INC amount."
-  (interactive "p")
-  (let ((inc (or inc 1))
-        (n (thing-at-point 'integer))
-        (bounds (bounds-of-thing-at-point 'integer)))
-    (delete-region (car bounds) (cdr bounds))
-    (insert (int-to-string (+ n inc)))))
-
-(defun prelude-decrement-integer-at-point (&optional dec)
-  "Decrement integer at point by one.
-
-With numeric prefix arg DEC, decrement the integer by DEC amount."
-  (interactive "p")
-  (prelude-increment-integer-at-point (- (or dec 1))))
-
 ;;; Emacs in OSX already has fullscreen support
 ;;; Emacs has a similar built-in command in 24.4
 (defun prelude-fullscreen ()

core/prelude-editor.el

@@ -297,7 +297,7 @@ indent yanked text (with prefix arg don't indent)."
            (or (derived-mode-p 'prog-mode)
                (member major-mode yank-indent-modes)))
       (let ((transient-mark-mode nil))
-    (yank-advised-indent-function (region-beginning) (region-end)))))
+        (yank-advised-indent-function (region-beginning) (region-end)))))
 
 (defadvice yank-pop (after yank-pop-indent activate)
   "If current mode is one of `yank-indent-modes',
@@ -346,9 +346,9 @@ indent yanked text (with prefix arg don't indent)."
 (require 'compile)
 (setq compilation-ask-about-save nil  ; Just save before compiling
       compilation-always-kill t       ; Just kill old compile processes before
-                                      ; starting the new one
+                                        ; starting the new one
       compilation-scroll-output 'first-error ; Automatically scroll to first
-                                             ; error
+                                        ; error
       )
 
 ;; Colorize output of Compilation Mode, see
@@ -374,6 +374,18 @@ indent yanked text (with prefix arg don't indent)."
 (global-set-key [remap kill-ring-save] 'easy-kill)
 (global-set-key [remap mark-sexp] 'easy-mark)
 
+;;
+(require 'operate-on-number)
+(smartrep-define-key global-map "C-c ."
+  '(("+" . apply-operation-to-number-at-point)
+    ("-" . apply-operation-to-number-at-point)
+    ("*" . apply-operation-to-number-at-point)
+    ("/" . apply-operation-to-number-at-point)
+    ("^" . apply-operation-to-number-at-point)
+    ("<" . apply-operation-to-number-at-point)
+    (">" . apply-operation-to-number-at-point)
+    ("'" . operate-on-number-at-point)))
+
 (provide 'prelude-editor)
 
 ;;; prelude-editor.el ends here

core/prelude-mode.el

@@ -63,8 +63,6 @@
     (define-key map (kbd "C-c k") 'prelude-kill-other-buffers)
     (define-key map (kbd "C-c TAB") 'prelude-indent-rigidly-and-copy-to-clipboard)
     (define-key map (kbd "C-c h") 'helm-prelude)
-    (define-key map (kbd "C-c +") 'prelude-increment-integer-at-point)
-    (define-key map (kbd "C-c -") 'prelude-decrement-integer-at-point)
     (define-key map (kbd "C-c I") 'prelude-find-user-init-file)
     (define-key map (kbd "C-c S") 'prelude-find-shell-init-file)
     ;; make some use of the Super key
@@ -109,8 +107,7 @@
                          ["Indent rigidly and copy to clipboard" prelude-indent-rigidly-and-copy-to-clipboard]
                          ["Insert date" prelude-insert-date]
                          ["Eval and replace" prelude-eval-and-replace]
-                         ["Increment integer at point" prelude-increment-integer-at-point]
-                         ["Decrement integer at point" prelude-decrement-integer-at-point])
+                         )
 
                         ("Navigation"
                          ["Helm" helm-prelude])

core/prelude-packages.el

@@ -64,8 +64,10 @@
     projectile
     magit
     move-text
+    operate-on-number
     rainbow-mode
     smartparens
+    smartrep
     undo-tree
     volatile-highlights
     zenburn-theme)