Function: cl--map-intervals

cl--map-intervals is an autoloaded and byte-compiled function defined in cl-extra.el.gz.

Signature

(cl--map-intervals CL-FUNC &optional CL-WHAT CL-PROP CL-START CL-END)

Aliases

cl-map-intervals (obsolete since 24.3)

Source Code

;; Defined in /usr/src/emacs/lisp/emacs-lisp/cl-extra.el.gz
;;;###autoload
(defun cl--map-intervals (cl-func &optional cl-what cl-prop cl-start cl-end)
  (or cl-what (setq cl-what (current-buffer)))
  (if (bufferp cl-what)
      (let (cl-mark cl-mark2 (cl-next t) cl-next2)
	(with-current-buffer cl-what
	  (setq cl-mark (copy-marker (or cl-start (point-min))))
	  (setq cl-mark2 (and cl-end (copy-marker cl-end))))
	(while (and cl-next (or (not cl-mark2) (< cl-mark cl-mark2)))
	  (setq cl-next (if cl-prop (next-single-property-change
				     cl-mark cl-prop cl-what)
			  (next-property-change cl-mark cl-what))
		cl-next2 (or cl-next (with-current-buffer cl-what
				       (point-max))))
	  (funcall cl-func (prog1 (marker-position cl-mark)
			     (set-marker cl-mark cl-next2))
		   (if cl-mark2 (min cl-next2 cl-mark2) cl-next2)))
	(set-marker cl-mark nil) (if cl-mark2 (set-marker cl-mark2 nil)))
    (or cl-start (setq cl-start 0))
    (or cl-end (setq cl-end (length cl-what)))
    (while (< cl-start cl-end)
      (let ((cl-next (or (if cl-prop (next-single-property-change
				      cl-start cl-prop cl-what)
			   (next-property-change cl-start cl-what))
			 cl-end)))
	(funcall cl-func cl-start (min cl-next cl-end))
	(setq cl-start cl-next)))))