;;; allout.el --- extensive outline mode for use alone and with other modes
-;; Copyright (C) 1992, 1993, 1994, 2001, 2002 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 93, 94, 2001, 02, 2004 Free Software Foundation, Inc.
;; Author: Ken Manheimer <klm@zope.com>
;; Maintainer: Ken Manheimer <klm@zope.com>
;;
;; The outline menubar additions provide quick reference to many of
;; the features, and see the docstring of the function `allout-init'
-;; for instructions on priming your emacs session for automatic
+;; for instructions on priming your Emacs session for automatic
;; activation of `allout-mode'.
;;
;; See the docstring of the variables `allout-layout' and
(defgroup allout nil
"Extensive outline mode for use alone and with other modes."
:prefix "allout-"
- :group 'editing)
+ :group 'editing
+ :version "21.4")
;;;_ + Layout, Mode, and Topic Header Configuration
var and the respective allout-*-bullets-string vars.
The value of an asterisk (`*') provides for backwards compatibility
-with the original emacs outline mode. See `allout-plain-bullets-string'
+with the original Emacs outline mode. See `allout-plain-bullets-string'
and `allout-distinctive-bullets-string' for the range of available
bullets."
:type 'string
Non-nil restricts the topic creation and modification
functions to asterix-padded prefixes, so they look exactly
-like the original emacs-outline style prefixes.
+like the original Emacs-outline style prefixes.
Whatever the setting of this variable, both old and new style prefixes
are always respected by the topic maneuvering functions."
(defcustom allout-inhibit-protection nil
"*Non-nil disables warnings and confirmation-checks for concealed-text edits.
-Outline mode uses emacs change-triggered functions to detect unruly
+Outline mode uses Emacs change-triggered functions to detect unruly
changes to concealed regions. Set this var non-nil to disable the
protection, potentially increasing text-entry responsiveness a bit.
;;;_ : Version
;;;_ = allout-version
(defvar allout-version
- (let ((rcs-rev "$Revision: 1.48 $"))
+ (let ((rcs-rev "$Revision$"))
(condition-case err
(save-match-data
(string-match "Revision: \\([0-9]+\\.[0-9]+\\)" rcs-rev)
(defvar allout-mode-map nil "Keybindings for (allout) outline minor mode.")
;;;_ > produce-allout-mode-map (keymap-alist &optional base-map)
(defun produce-allout-mode-map (keymap-list &optional base-map)
- "Produce keymap for use as allout-mode-map, from keymap-list.
+ "Produce keymap for use as allout-mode-map, from KEYMAP-LIST.
Built on top of optional BASE-MAP, or empty sparse map if none specified.
See doc string for allout-keybindings-list for format of binding list."
- anything else \(eg, t) for auto-activation and auto-layout, without
any confirmation check.
-Use this function to setup your emacs session for automatic activation
+Use this function to setup your Emacs session for automatic activation
of allout outline mode, contingent to the buffer-specific setting of
the `allout-layout' variable. (See `allout-layout' and
`allout-expose-topic' docstrings for more details on auto layout).
`allout-find-file-hook' in `find-file-hook', and giving
`allout-auto-activation' a suitable setting.
-To prime your emacs session for full auto-outline operation, include
-the following two lines in your emacs init file:
+To prime your Emacs session for full auto-outline operation, include
+the following two lines in your Emacs init file:
\(require 'allout)
\(allout-init t)"
- (interactive)
- (if (interactive-p)
- (progn
- (setq mode
- (completing-read
- (concat "Select outline auto setup mode "
- "(empty for report, ? for options) ")
- '(("nil")("full")("activate")("deactivate")
- ("ask") ("report") (""))
- nil
- t))
- (if (string= mode "")
- (setq mode 'report)
- (setq mode (intern-soft mode)))))
+ (interactive
+ (let ((m (completing-read
+ (concat "Select outline auto setup mode "
+ "(empty for report, ? for options) ")
+ '(("nil")("full")("activate")("deactivate")
+ ("ask") ("report") (""))
+ nil
+ t)))
+ (if (string= m "") 'report
+ (intern-soft m))))
(let
;; convenience aliases, for consistent ref to respective vars:
((hook 'allout-find-file-hook)
special `allout-mode' features and terminology. See also the outline
menubar additions for quick reference to many of the features, and see
the docstring of the function `allout-init' for instructions on
-priming your emacs session for automatic activation of `allout-mode'.
+priming your Emacs session for automatic activation of `allout-mode'.
The bindings are dictated by the `allout-keybindings-list' and
Like above 'copy-exposed', but convert topic
prefixes to section.subsection... numeric
format.
-ESC ESC (allout-init t) Setup emacs session for outline mode
+ESC ESC (allout-init t) Setup Emacs session for outline mode
auto-activation.
HOT-SPOT Operation
Topic hierarchy constituents - TOPICS and SUBTOPICS:
-TOPIC: A basic, coherent component of an emacs outline. It can
+TOPIC: A basic, coherent component of an Emacs outline. It can
contain other topics, and it can be subsumed by other topics,
CURRENT topic:
The visible topic most immediately containing the cursor.
)
; selective-display is the
- ; emacs conditional exposure
+ ; Emacs conditional exposure
; mechanism:
(allout-resumptions 'selective-display '(t))
(if allout-inhibit-protection
(defun allout-sibling-index (&optional depth)
"Item number of this prospective topic among its siblings.
-If optional arg depth is greater than current depth, then we're
+If optional arg DEPTH is greater than current depth, then we're
opening a new level, and return 0.
If less than this depth, ascend to that depth and count..."
"Produce a location \"chart\" of subtopics of the containing topic.
Optional argument LEVELS specifies the depth \(relative to start
-depth) for the chart. Subsequent optional args are not for public
-use.
+depth) for the chart.
Charts are used to capture outline structure, so that outline altering
routines need assess the structure only once, and then use the chart
The chart for a topics' offspring precedes the entry for the topic
itself.
-The other function parameters are for internal recursion, and should
-not be specified by external callers. ORIG-DEPTH is depth of topic at
-starting point, and PREV-DEPTH is depth of prior topic."
+\(fn &optional levels)"
+
+ ;; The other function parameters are for internal recursion, and should
+ ;; not be specified by external callers. ORIG-DEPTH is depth of topic at
+ ;; starting point, and PREV-DEPTH is depth of prior topic."
(let ((original (not orig-depth)) ; `orig-depth' set only in recursion.
chart curr-depth)
;; Loop over the current levels' siblings. Besides being more
;; efficient than tail-recursing over a level, it avoids exceeding
- ;; the typically quite constrained emacs max-lisp-eval-depth.
+ ;; the typically quite constrained Emacs max-lisp-eval-depth.
;;
;; Probably would speed things up to implement loop-based stack
;; operation rather than recursing for lower levels. Bah.
(setq chart (cdr chart))))
result))
;;;_ X allout-chart-spec (chart spec &optional exposing)
-(defun allout-chart-spec (chart spec &optional exposing)
- "Not yet \(if ever) implemented.
-
-Produce exposure directives given topic/subtree CHART and an exposure SPEC.
-
-Exposure spec indicates the locations to be exposed and the prescribed
-exposure status. Optional arg EXPOSING is an integer, with 0
-indicating pending concealment, anything higher indicating depth to
-which subtopic headers should be exposed, and negative numbers
-indicating (negative of) the depth to which subtopic headers and
-bodies should be exposed.
-
-The produced list can have two types of entries. Bare numbers
-indicate points in the buffer where topic headers that should be
-exposed reside.
-
- - bare negative numbers indicates that the topic starting at the
- point which is the negative of the number should be opened,
- including their entries.
- - bare positive values indicate that this topic header should be
- opened.
- - Lists signify the beginning and end points of regions that should
- be flagged, and the flag to employ. (For concealment: `\(\?r\)', and
- exposure:"
- (while spec
- (cond ((listp spec)
- )
- )
- (setq spec (cdr spec)))
- )
+;; (defun allout-chart-spec (chart spec &optional exposing)
+;; "Not yet \(if ever) implemented.
+
+;; Produce exposure directives given topic/subtree CHART and an exposure SPEC.
+
+;; Exposure spec indicates the locations to be exposed and the prescribed
+;; exposure status. Optional arg EXPOSING is an integer, with 0
+;; indicating pending concealment, anything higher indicating depth to
+;; which subtopic headers should be exposed, and negative numbers
+;; indicating (negative of) the depth to which subtopic headers and
+;; bodies should be exposed.
+
+;; The produced list can have two types of entries. Bare numbers
+;; indicate points in the buffer where topic headers that should be
+;; exposed reside.
+
+;; - bare negative numbers indicates that the topic starting at the
+;; point which is the negative of the number should be opened,
+;; including their entries.
+;; - bare positive values indicate that this topic header should be
+;; opened.
+;; - Lists signify the beginning and end points of regions that should
+;; be flagged, and the flag to employ. (For concealment: `\(\?r\)', and
+;; exposure:"
+;; (while spec
+;; (cond ((listp spec)
+;; )
+;; )
+;; (setq spec (cdr spec)))
+;; )
;;;_ - Within Topic
;;;_ > allout-goto-prefix ()
(if (= (allout-recent-depth) depth)
(progn (goto-char allout-recent-prefix-beginning)
depth)
- (goto-char last-good)
- nil))
- (if (interactive-p) (allout-end-of-prefix))))
+ (goto-char last-good)))))
;;;_ > allout-ascend ()
(defun allout-ascend ()
"Ascend one level, returning t if successful, nil if not."
- (prog1
- (if (allout-beginning-of-level)
- (allout-previous-heading))
- (if (interactive-p) (allout-end-of-prefix))))
+ (if (allout-beginning-of-level)
+ (allout-previous-heading)))
;;;_ > allout-descend-to-depth (depth)
(defun allout-descend-to-depth (depth)
"Descend to depth DEPTH within current topic.
nil))
)
;;;_ > allout-up-current-level (arg &optional dont-complain)
-(defun allout-up-current-level (arg &optional dont-complain)
+(defun allout-up-current-level (arg &optional dont-complain interactive)
"Move out ARG levels from current visible topic.
Positions on heading line of containing topic. Error if unable to
ascend that far, or nil if unable to ascend but optional arg
DONT-COMPLAIN is non-nil."
- (interactive "p")
+ (interactive "p\np")
(allout-back-to-current-heading)
(let ((present-level (allout-recent-depth))
(last-good (point))
(if (or failed
(> arg 0))
(progn (goto-char last-good)
- (if (interactive-p) (allout-end-of-prefix))
+ (if interactive (allout-end-of-prefix))
(if (not dont-complain)
(error "Can't ascend past outermost level")
- (if (interactive-p) (allout-end-of-prefix))
+ (if interactive (allout-end-of-prefix))
nil))
- (if (interactive-p) (allout-end-of-prefix))
+ (if interactive (allout-end-of-prefix))
allout-recent-prefix-beginning)))
;;;_ - Linear
(let ((depth (allout-depth)))
(while (allout-previous-sibling depth nil))
(prog1 (allout-recent-depth)
- (if (interactive-p) (allout-end-of-prefix)))))
+ (allout-end-of-prefix))))
;;;_ > allout-next-visible-heading (arg)
(defun allout-next-visible-heading (arg)
"Move to the next ARG'th visible heading line, backward if arg is negative.
(interactive "p")
(allout-next-visible-heading (- arg)))
;;;_ > allout-forward-current-level (arg)
-(defun allout-forward-current-level (arg)
+(defun allout-forward-current-level (arg &optional interactive)
"Position point at the next heading of the same level.
Takes optional repeat-count, goes backward if count is negative.
Returns resulting position, else nil if none found."
- (interactive "p")
+ (interactive "p\np")
(let ((start-depth (allout-current-depth))
(start-point (point))
(start-arg arg)
(= (allout-recent-depth) start-depth)))
allout-recent-prefix-beginning
(goto-char last-good)
- (if (not (interactive-p))
+ (if (not interactive)
nil
(allout-end-of-prefix)
(error "Hit %s level %d topic, traversed %d of %d requested"
(- (abs start-arg) arg)
(abs start-arg))))))
;;;_ > allout-backward-current-level (arg)
-(defun allout-backward-current-level (arg)
+(defun allout-backward-current-level (arg &optional interactive)
"Inverse of `allout-forward-current-level'."
- (interactive "p")
- (if (interactive-p)
+ (interactive "p\np")
+ (if interactive
(let ((current-prefix-arg (* -1 arg)))
(call-interactively 'allout-forward-current-level))
(allout-forward-current-level (* -1 arg))))
writes, like crypt and zip modes.)
Locally bound in outline buffers to `before-change-functions', which
-in emacs 19 is run before any change to the buffer.
+in Emacs 19 is run before any change to the buffer.
Any functions which set [`this-command' to `undo', or which set]
`allout-override-protect' non-nil (as does, eg, allout-flag-chars)
; Both beginning and end chars must
; be exposed:
(save-excursion (if (memq this-command '(newline open-line))
- ;; Compensate for stupid emacs {new,
+ ;; Compensate for stupid Emacs {new,
;; open-}line display optimization:
(setq beg (1+ beg)
end (1+ end)))
(save-match-data
(if (equal this-command 'undo)
;; Allow undo without inhibition.
- ;; - Undoing new and open-line hits stupid emacs redisplay
+ ;; - Undoing new and open-line hits stupid Emacs redisplay
;; optimization (em 19 cmds.c, ~ line 200).
;; - Presumably, undoing what was properly protected when
;; done.
(let* ((this-key-num (cond
((numberp last-command-char)
last-command-char)
- ;; XXX Only xemacs has characterp.
+ ;; XXX Only XEmacs has characterp.
((and (fboundp 'characterp)
(characterp last-command-char))
(char-to-int last-command-char))
;;;_ > allout-flag-region (from to flag)
(defmacro allout-flag-region (from to flag)
- "Hide or show lines from FROM to TO, via emacs selective-display FLAG char.
+ "Hide or show lines from FROM to TO, via Emacs selective-display FLAG char.
Ie, text following flag C-m \(carriage-return) is hidden until the
next C-j (newline) char.
;;;_ > allout-isearch-expose (mode)
(defun allout-isearch-expose (mode)
- "Mode is either 'clear, 'start, 'continue, or 'final."
+ "MODE is either 'clear, 'start, 'continue, or 'final."
;; allout-isearch-prior-pos encodes exposure status of prior pos:
;; (pos was-vis header-pos end-pos)
;; pos - point of concern
)
;;;_ > allout-distinctive-bullet (bullet)
(defun allout-distinctive-bullet (bullet)
- "True if bullet is one of those on `allout-distinctive-bullets-string'."
+ "True if BULLET is one of those on `allout-distinctive-bullets-string'."
(string-match (regexp-quote bullet) allout-distinctive-bullets-string))
;;;_ > allout-numbered-type-prefix (&optional prefix)
(defun allout-numbered-type-prefix (&optional prefix)
)
;;;_ > allout-open-topic (relative-depth &optional before use_sib_bullet)
(defun allout-open-topic (relative-depth &optional before use_sib_bullet)
- "Open a new topic at depth DEPTH.
+ "Open a new topic at depth RELATIVE-DEPTH.
New topic is situated after current one, unless optional flag BEFORE
is non-nil, or unless current line is complete empty (not even
(do-auto-fill))))
;;;_ > allout-reindent-body (old-depth new-depth &optional number)
(defun allout-reindent-body (old-depth new-depth &optional number)
- "Reindent body lines which were indented at old-depth to new-depth.
+ "Reindent body lines which were indented at OLD-DEPTH to NEW-DEPTH.
Optional arg NUMBER indicates numbering is being added, and it must
be accommodated.
"Adjust bullet of current topic prefix.
-All args are optional.
-
If SOLICIT is non-nil, then the choice of bullet is solicited from
user. If it's a character, then that character is offered as the
default, otherwise the one suited to the context \(according to
distinction or depth) is offered. If non-nil, then the
context-specific bullet is just used.
-Second arg DEPTH forces the topic prefix to that depth, regardless
+Second arg NEW-DEPTH forces the topic prefix to that depth, regardless
of the topic's current depth.
Third arg NUMBER-CONTROL can force the prefix to or away from
contained subtopics. See `allout-rebullet-heading' for rebulleting
behavior.
-All arguments are optional.
-
-First arg RELATIVE-DEPTH means to shift the depth of the entire
+Arg RELATIVE-DEPTH means to shift the depth of the entire
topic that amount.
-The rest of the args are for internal recursive use by the function
-itself. The are STARTING-DEPTH, STARTING-POINT, and INDEX."
+\(fn &optional RELATIVE-DEPTH)"
+
+ ;; All args except the first one are for internal recursive use by the
+ ;; function itself.
(let* ((relative-depth (or relative-depth 0))
(new-depth (allout-depth))
max-pos)))
;;;_ > allout-old-expose-topic (spec &rest followers)
(defun allout-old-expose-topic (spec &rest followers)
-
- "Deprecated. Use `allout-expose-topic' \(with different schema
-format) instead.
-
-Dictate wholesale exposure scheme for current topic, according to SPEC.
+ "Dictate wholesale exposure scheme for current topic, according to SPEC.
SPEC is either a number or a list. Optional successive args
dictate exposure for subsequent siblings of current topic.
elements of the list are nested SPECs, dictating the specific exposure
for the corresponding offspring of the topic.
-Optional FOLLOWER arguments dictate exposure for succeeding siblings."
+Optional FOLLOWERS arguments dictate exposure for succeeding siblings."
(interactive "xExposure spec: ")
(let ((depth (allout-current-depth))
(allout-old-expose-topic (car followers))
(setq followers (cdr followers)))
max-pos))
+(make-obsolete 'allout-old-expose-topic
+ "use `allout-expose-topic' (with different schema format) instead."
+ "19.23")
;;;_ > allout-new-exposure '()
(defmacro allout-new-exposure (&rest spec)
"Literal frontend for `allout-expose-topic', doesn't evaluate arguments.
(list 'allout-expose-topic (list 'quote spec))))
;;;_ > allout-exposure '()
(defmacro allout-exposure (&rest spec)
- "Being deprecated - use more recent `allout-new-exposure' instead.
-
-Literal frontend for `allout-old-expose-topic', doesn't evaluate arguments
+ "Literal frontend for `allout-old-expose-topic', doesn't evaluate arguments
and retains start position."
(list 'save-excursion
'(if (not (or (allout-goto-prefix)
(error "Can't find any outline topics"))
(cons 'allout-old-expose-topic
(mapcar (function (lambda (x) (list 'quote x))) spec))))
+(make-obsolete 'allout-exposure 'allout-new-exposure "19.23")
;;;_ #7 Systematic outline presentation - copying, printing, flattening
;;;_ > allout-process-exposed (&optional func from to frombuf
;;; tobuf format)
(defun allout-process-exposed (&optional func from to frombuf tobuf
- format &optional start-num)
+ format start-num)
"Map function on exposed parts of current topic; results to another buffer.
-All args are options; default values itemized below.
-
-Apply FUNCTION to exposed portions FROM position TO position in buffer
+Apply FUNC to exposed portions FROM position TO position in buffer
FROMBUF to buffer TOBUF. Sixth optional arg, FORMAT, designates an
alternate presentation form:
except for distinctive bullets.
Defaults:
- FUNCTION: `allout-insert-listified'
+ FUNC: `allout-insert-listified'
FROM: region start, if region active, else start of buffer
TO: region end, if region active, else end of buffer
FROMBUF: current buffer
(defun allout-insert-listified (listified)
"Insert contents of listified outline portion in current buffer.
-Listified is a list representing each topic header and body:
+LISTIFIED is a list representing each topic header and body:
\`(depth prefix text)'
-or \`(depth prefix text bullet-plus)'
+or
+
+ \`(depth prefix text bullet-plus)'
If `bullet-plus' is specified, it is inserted just after the entire prefix."
(setq listified (cdr listified))
(defun allout-flatten-exposed-to-buffer (&optional arg tobuf)
"Present numeric outline of outline's exposed portions in another buffer.
-The resulting outline is not compatable with outline mode - use
+The resulting outline is not compatible with outline mode - use
`allout-copy-exposed-to-buffer' if you want that.
Use `allout-indented-exposed-to-buffer' for indented presentation.
With repeat count, copy the exposed portions of only current topic.
-Other buffer has current buffers name with \" exposed\" appended to
+Other buffer has current buffer's name with \" exposed\" appended to
it, unless optional second arg TOBUF is specified, in which case it is
used verbatim."
(interactive "P")
(defun allout-indented-exposed-to-buffer (&optional arg tobuf)
"Present indented outline of outline's exposed portions in another buffer.
-The resulting outline is not compatable with outline mode - use
+The resulting outline is not compatible with outline mode - use
`allout-copy-exposed-to-buffer' if you want that.
Use `allout-flatten-exposed-to-buffer' for numeric sectional presentation.
With repeat count, copy the exposed portions of only current topic.
-Other buffer has current buffers name with \" exposed\" appended to
+Other buffer has current buffer's name with \" exposed\" appended to
it, unless optional second arg TOBUF is specified, in which case it is
used verbatim."
(interactive "P")
(allout-copy-exposed-to-buffer arg tobuf 'indent))
;;;_ - LaTeX formatting
-;;;_ > allout-latex-verb-quote (str &optional flow)
-(defun allout-latex-verb-quote (str &optional flow)
+;;;_ > allout-latex-verb-quote (string &optional flow)
+(defun allout-latex-verb-quote (string &optional flow)
"Return copy of STRING for literal reproduction across latex processing.
Expresses the original characters \(including carriage returns) of the
string across latex processing."
(concat "\\char" (number-to-string char) "{}"))
((= char ?\n) "\\\\")
(t (char-to-string char)))))
- str
+ string
""))
;;;_ > allout-latex-verbatim-quote-curr-line ()
(defun allout-latex-verbatim-quote-curr-line ()
(insert "\\")
(setq end (1+ end))
(goto-char (1+ (match-end 0))))))
-;;;_ > allout-insert-latex-header (buf)
-(defun allout-insert-latex-header (buf)
+;;;_ > allout-insert-latex-header (buffer)
+(defun allout-insert-latex-header (buffer)
"Insert initial latex commands at point in BUFFER."
;; Much of this is being derived from the stuff in appendix of E in
;; the TeXBook, pg 421.
- (set-buffer buf)
+ (set-buffer buffer)
(let ((doc-style (format "\n\\documentstyle{%s}\n"
"report"))
(page-numbering (if allout-number-pages
hoffset
vspace)
)))
-;;;_ > allout-insert-latex-trailer (buf)
-(defun allout-insert-latex-trailer (buf)
+;;;_ > allout-insert-latex-trailer (buffer)
+(defun allout-insert-latex-trailer (buffer)
"Insert concluding latex commands at point in BUFFER."
- (set-buffer buf)
+ (set-buffer buffer)
(insert "\n\\end{document}\n"))
;;;_ > allout-latexify-one-item (depth prefix bullet text)
(defun allout-latexify-one-item (depth prefix bullet text)
(cons function (symbol-value hook)))))))
;;;_ : my-mark-marker to accommodate divergent emacsen:
(defun my-mark-marker (&optional force buffer)
- "Accommodate the different signature for mark-marker across emacsen.
+ "Accommodate the different signature for mark-marker across Emacsen.
-GNU XEmacs takes two optional args, while mainline GNU Emacs does not,
+XEmacs takes two optional args, while GNU Emacs does not,
so pass them along when appropriate."
(if (featurep 'xemacs)
(mark-marker force buffer)
HCoop / bpt / emacs.git / blobdiff