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(outline-level): New var. Everything funcalls this

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instead of calling outline-level.
This commit is contained in:
Richard M. Stallman 1993-08-14 09:13:23 +00:00
parent 6e301d2449
commit 476731da98
1 changed files with 21 additions and 17 deletions
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38
lisp/textmodes/ooutline.el
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@ -1,6 +1,6 @@
;;; outline.el --- outline mode commands for Emacs
;; Copyright (C) 1986 Free Software Foundation, Inc.
;; Copyright (C) 1986, 1993 Free Software Foundation, Inc.
;; Maintainer: FSF
@ -196,6 +196,10 @@ See the command `outline-mode' for more information on this mode."
(run-hooks 'outline-minor-mode-hook))
(setq selective-display nil)))
(defvar outline-level 'outline-level
"Function of no args to compute a header's nesting level in an outline.
It can assume point is at the beginning of a header line.")
(defun outline-level ()
"Return the depth to which a statement is nested in the outline.
Point must be at the beginning of a header line. This is actually
@ -337,9 +341,9 @@ while if FLAG is `\\^M' (control-M) the text is hidden."
(outline-back-to-heading)
(let ((opoint (point))
(first t)
(level (outline-level)))
(level (funcall outline-level)))
(while (and (not (eobp))
(or first (> (outline-level) level)))
(or first (> (funcall outline-level) level)))
(setq first nil)
(outline-next-heading))
(forward-char -1)
@ -360,13 +364,13 @@ Default is enough to cause the following heading to appear."
(if level (prefix-numeric-value level)
(save-excursion
(beginning-of-line)
(let ((start-level (outline-level)))
(let ((start-level (funcall outline-level)))
(outline-next-heading)
(max 1 (- (outline-level) start-level))))))
(max 1 (- (funcall outline-level) start-level))))))
(save-excursion
(save-restriction
(beginning-of-line)
(setq level (+ level (outline-level)))
(setq level (+ level (funcall outline-level)))
(narrow-to-region (point)
(progn (outline-end-of-subtree) (1+ (point))))
(goto-char (point-min))
@ -374,7 +378,7 @@ Default is enough to cause the following heading to appear."
(progn
(outline-next-heading)
(not (eobp))))
(if (<= (outline-level) level)
(if (<= (funcall outline-level) level)
(save-excursion
(outline-flag-region (save-excursion
(forward-char -1)
@ -389,13 +393,13 @@ Default is enough to cause the following heading to appear."
With argument, move up ARG levels."
(interactive "p")
(outline-back-to-heading)
(if (eq (outline-level) 1)
(if (eq (funcall outline-level) 1)
(error ""))
(while (and (> (outline-level) 1)
(while (and (> (funcall outline-level) 1)
(> arg 0)
(not (bobp)))
(let ((present-level (outline-level)))
(while (not (< (outline-level) present-level))
(let ((present-level (funcall outline-level)))
(while (not (< (funcall outline-level) present-level))
(outline-previous-visible-heading 1))
(setq arg (- arg 1)))))
@ -418,12 +422,12 @@ present one. It stops at the first and last subheadings of a superior heading."
(defun outline-get-next-sibling ()
"Position the point at the next heading of the same level,
and return that position or nil if it cannot be found."
(let ((level (outline-level)))
(let ((level (funcall outline-level)))
(outline-next-visible-heading 1)
(while (and (> (outline-level) level)
(while (and (> (funcall outline-level) level)
(not (eobp)))
(outline-next-visible-heading 1))
(if (< (outline-level) level)
(if (< (funcall outline-level) level)
nil
(point))))
@ -446,12 +450,12 @@ present one. It stops at the first and last subheadings of a superior heading."
(defun outline-get-last-sibling ()
"Position the point at the previous heading of the same level,
and return that position or nil if it cannot be found."
(let ((level (outline-level)))
(let ((level (funcall outline-level)))
(outline-previous-visible-heading 1)
(while (and (> (outline-level) level)
(while (and (> (funcall outline-level) level)
(not (bobp)))
(outline-previous-visible-heading 1))
(if (< (outline-level) level)
(if (< (funcall outline-level) level)
nil
(point))))