;;; company-template.el
-;; Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 2009, 2010, 2013 Free Software Foundation, Inc.
;; Author: Nikolaj Schumacher
(define-key keymap [tab] 'company-template-forward-field)
keymap))
+(defvar company-template--buffer-templates nil)
+(make-variable-buffer-local 'company-template--buffer-templates)
+
;; interactive ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun company-template-templates-at (pos)
(let (os)
(dolist (o (overlays-at pos))
- (when (overlay-get o 'company-template-fields)
+ ;; FIXME: Always return the whole list of templates?
+ ;; We remove templates not at point after every command.
+ (when (memq o company-template--buffer-templates)
(push o os)))
os))
(defun company-template-move-to-first (templ)
(interactive)
- (let ((fields (overlay-get templ 'company-template-fields)))
- (push-mark)
- (goto-char (apply 'min (mapcar 'overlay-start fields)))))
+ (goto-char (overlay-start templ))
+ (company-template-forward-field))
(defun company-template-forward-field ()
(interactive)
(setq minimum pos)))
(push-mark)
(goto-char minimum)
- (let ((field (loop for ovl in (overlays-at start)
- when (overlay-get ovl 'company-template-parent)
- return ovl)))
- (company-template-remove-field field))))
+ (company-template-remove-field (company-template-field-at start))))
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+(defun company-template-field-at (&optional point)
+ (loop for ovl in (overlays-at (or point (point)))
+ when (overlay-get ovl 'company-template-parent)
+ return ovl))
-(defvar company-template--buffer-templates nil)
-(make-variable-buffer-local 'company-template--buffer-templates)
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun company-template-declare-template (beg end)
(let ((ov (make-overlay beg end)))
(delq templ company-template--buffer-templates))
(delete-overlay templ))
-(defun company-template-add-field (templ pos text)
+(defun company-template-add-field (templ pos text &optional display)
+ "Add new field to template TEMPL at POS, inserting TEXT.
+When DISPLAY is non-nil, set the respective property on the overlay.
+Leave point at the end of the field."
(assert templ)
- (save-excursion
- (save-excursion
- (goto-char pos)
- (insert text)
- (when (> (point) (overlay-end templ))
- (move-overlay templ (overlay-start templ) (point))))
- (let ((ov (make-overlay pos (+ pos (length text))))
- (siblings (overlay-get templ 'company-template-fields)))
- ;; (overlay-put ov 'evaporate t)
- (overlay-put ov 'intangible t)
- (overlay-put ov 'face 'company-template-field)
- (overlay-put ov 'company-template-parent templ)
- (overlay-put ov 'insert-in-front-hooks '(company-template-insert-hook))
- (push ov siblings)
- (overlay-put templ 'company-template-fields siblings))))
+ (goto-char pos)
+ (insert text)
+ (when (> (point) (overlay-end templ))
+ (move-overlay templ (overlay-start templ) (point)))
+ (let ((ov (make-overlay pos (+ pos (length text))))
+ (siblings (overlay-get templ 'company-template-fields)))
+ ;; (overlay-put ov 'evaporate t)
+ (overlay-put ov 'intangible t)
+ (overlay-put ov 'face 'company-template-field)
+ (when display
+ (overlay-put ov 'display display))
+ (overlay-put ov 'company-template-parent templ)
+ (overlay-put ov 'insert-in-front-hooks '(company-template-insert-hook))
+ (push ov siblings)
+ (overlay-put templ 'company-template-fields siblings)))
(defun company-template-remove-field (ovl &optional clear)
(when (overlayp ovl)
(defun company-template-clean-up (&optional pos)
"Clean up all templates that don't contain POS."
- (unless pos (setq pos (point)))
- (let ((local-ovs (overlays-in (- pos 2) pos)))
+ (let ((local-ovs (overlays-at (or pos (point)))))
(dolist (templ company-template--buffer-templates)
- (unless (and (memq templ local-ovs)
- (overlay-get templ 'company-template-fields))
+ (unless (memq templ local-ovs)
(company-template-remove-template templ)))))
;; hooks ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-(defun company-template-insert-hook (ovl after-p &rest ignore)
+(defun company-template-insert-hook (ovl after-p &rest _ignore)
"Called when a snippet input prompt is modified."
(unless after-p
(company-template-remove-field ovl t)))
(unless company-template--buffer-templates
(remove-hook 'post-command-hook 'company-template-post-command t)))
+;; common ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(defun company-template-c-like-templatify (call)
+ (let* ((end (point-marker))
+ (beg (- (point) (length call)))
+ (cnt 0))
+ (when (re-search-backward ")" beg t)
+ (delete-region (match-end 0) end))
+ (goto-char beg)
+ (when (search-forward "(" end 'move)
+ (if (eq (char-after) ?\))
+ (forward-char 1)
+ (let ((templ (company-template-declare-template beg end)))
+ (while (re-search-forward (concat " *\\([^,)]*\\)[,)]") end t)
+ (let ((sig (match-string 1)))
+ (delete-region (match-beginning 1) (match-end 1))
+ (save-excursion
+ (company-template-add-field templ (match-beginning 1)
+ (format "arg%d" cnt) sig))
+ (incf cnt)))
+ (company-template-move-to-first templ))))))
+
(provide 'company-template)
;;; company-template.el ends here