(defvar Info-current-node nil
"Name of node that Info is now looking at, or nil.")
-(defvar Info-tag-table-marker (make-marker)
+(defvar Info-tag-table-marker nil
"Marker pointing at beginning of current Info file's tag table.
Marker points nowhere if file has no tag table.")
+(defvar Info-tag-table-buffer nil)
+
(defvar Info-current-file-completions nil
"Cached completion list for current Info file.")
;; should be locked up where they can't do any more harm.
;; Go into info buffer.
- (switch-to-buffer "*info*")
+ (or (eq major-mode 'Info-mode)
+ (switch-to-buffer "*info*"))
(buffer-disable-undo (current-buffer))
(run-hooks 'Info-startup-hook)
(or (eq major-mode 'Info-mode)
(equal Info-current-file filename)
(not Info-novice)
(string= "dir" (file-name-nondirectory Info-current-file))
- (if (y-or-n-p-maybe-dialog-box
+ (if (y-or-n-p
(format "Leave Info file `%s'? "
(file-name-nondirectory Info-current-file)))
(message "")
(looking-at "(Indirect)\n"))
;; It is indirect. Copy it to another buffer
;; and record that the tag table is in that buffer.
- (save-excursion
- (let ((buf (current-buffer)))
- (set-buffer
- (get-buffer-create " *info tag table*"))
- (buffer-disable-undo (current-buffer))
- (setq case-fold-search t)
- (erase-buffer)
- (insert-buffer-substring buf)
- (set-marker Info-tag-table-marker
- (match-end 0))))
+ (let ((buf (current-buffer))
+ (m Info-tag-table-marker))
+ (or
+ Info-tag-table-buffer
+ (setq
+ Info-tag-table-buffer
+ (generate-new-buffer " *info tag table*")))
+ (save-excursion
+ (set-buffer Info-tag-table-buffer)
+ (buffer-disable-undo (current-buffer))
+ (setq case-fold-search t)
+ (erase-buffer)
+ (insert-buffer-substring buf)
+ (set-marker m (match-end 0))))
(set-marker Info-tag-table-marker pos))))
(setq Info-current-file
(file-name-sans-versions buffer-file-name))))
;; Also, if this is an indirect info file,
;; read the proper subfile into this buffer.
(if (marker-position Info-tag-table-marker)
- (save-excursion
- (set-buffer (marker-buffer Info-tag-table-marker))
- (goto-char Info-tag-table-marker)
- (if (re-search-forward regexp nil t)
- (progn
- (setq guesspos (read (current-buffer)))
- ;; If this is an indirect file,
- ;; determine which file really holds this node
- ;; and read it in.
- (if (not (eq (current-buffer) (get-buffer "*info*")))
- (setq guesspos
- (Info-read-subfile guesspos)))))))
+ (let (foun found-mode (m Info-tag-table-marker))
+ (save-excursion
+ (set-buffer (marker-buffer Info-tag-table-marker))
+ (goto-char m)
+ (setq foun (re-search-forward regexp nil t))
+ (if foun
+ (setq guesspos (read (current-buffer))))
+ (setq found-mode major-mode))
+ (if foun
+ ;; If this is an indirect file,
+ ;; determine which file really holds this node
+ ;; and read it in.
+ (if (not (eq major-mode found-mode))
+ (setq guesspos
+ (Info-read-subfile guesspos))))))
(goto-char (max (point-min) (- guesspos 1000)))
;; Now search from our advised position (or from beg of buffer)
;; to find the actual node.
(if p (file-name-nondirectory file) file)))
(defun Info-read-subfile (nodepos)
- (set-buffer (marker-buffer Info-tag-table-marker))
- (goto-char (point-min))
- (search-forward "\n\^_")
(let (lastfilepos
lastfilename)
- (forward-line 2)
- (catch 'foo
- (while (not (looking-at "\^_"))
- (if (not (eolp))
- (let ((beg (point))
- thisfilepos thisfilename)
- (search-forward ": ")
- (setq thisfilename (buffer-substring beg (- (point) 2)))
- (setq thisfilepos (read (current-buffer)))
- ;; read in version 19 stops at the end of number.
- ;; Advance to the next line.
- (if (eolp)
- (forward-line 1))
- (if (> thisfilepos nodepos)
- (throw 'foo t))
- (setq lastfilename thisfilename)
- (setq lastfilepos thisfilepos))
- (throw 'foo t))))
- (set-buffer (get-buffer "*info*"))
+ (save-excursion
+ (set-buffer (marker-buffer Info-tag-table-marker))
+ (goto-char (point-min))
+ (search-forward "\n\^_")
+ (forward-line 2)
+ (catch 'foo
+ (while (not (looking-at "\^_"))
+ (if (not (eolp))
+ (let ((beg (point))
+ thisfilepos thisfilename)
+ (search-forward ": ")
+ (setq thisfilename (buffer-substring beg (- (point) 2)))
+ (setq thisfilepos (read (current-buffer)))
+ ;; read in version 19 stops at the end of number.
+ ;; Advance to the next line.
+ (if (eolp)
+ (forward-line 1))
+ (if (> thisfilepos nodepos)
+ (throw 'foo t))
+ (setq lastfilename thisfilename)
+ (setq lastfilepos thisfilepos))
+ (throw 'foo t)))))
(or (equal Info-current-subfile lastfilename)
(let ((buffer-read-only nil))
(setq buffer-file-name nil)
(defun Info-build-node-completions ()
(or Info-current-file-completions
- (let ((compl (Info-build-annotation-completions)))
+ (let ((m Info-tag-table-marker)
+ (compl (Info-build-annotation-completions)))
(save-excursion
(save-restriction
(widen)
(if (marker-buffer Info-tag-table-marker)
(progn
(set-buffer (marker-buffer Info-tag-table-marker))
- (goto-char Info-tag-table-marker)
+ (goto-char m)
(while (re-search-forward "\nNode: \\(.*\\)\177" nil t)
(setq compl
(cons (list (buffer-substring (match-beginning 1)
(if (not found) ;can only happen in subfile case -- else would have erred
(unwind-protect
(let ((list ()))
- (set-buffer (marker-buffer Info-tag-table-marker))
- (goto-char (point-min))
- (search-forward "\n\^_\nIndirect:")
- (save-restriction
- (narrow-to-region (point)
- (progn (search-forward "\n\^_")
- (1- (point))))
- (goto-char (point-min))
- (search-forward (concat "\n" osubfile ": "))
- (beginning-of-line)
- (while (not (eobp))
- (re-search-forward "\\(^.*\\): [0-9]+$")
- (goto-char (+ (match-end 1) 2))
- (setq list (cons (cons (read (current-buffer))
- (buffer-substring (match-beginning 1)
- (match-end 1)))
- list))
- (goto-char (1+ (match-end 0))))
- (setq list (nreverse list)
- list (cdr list)))
+ (save-excursion
+ (set-buffer (marker-buffer Info-tag-table-marker))
+ (goto-char (point-min))
+ (search-forward "\n\^_\nIndirect:")
+ (save-restriction
+ (narrow-to-region (point)
+ (progn (search-forward "\n\^_")
+ (1- (point))))
+ (goto-char (point-min))
+ (search-forward (concat "\n" osubfile ": "))
+ (beginning-of-line)
+ (while (not (eobp))
+ (re-search-forward "\\(^.*\\): [0-9]+$")
+ (goto-char (+ (match-end 1) 2))
+ (setq list (cons (cons (read (current-buffer))
+ (buffer-substring (match-beginning 1)
+ (match-end 1)))
+ list))
+ (goto-char (1+ (match-end 0))))
+ (setq list (nreverse list)
+ list (cdr list))))
(while list
(message "Searching subfile %s..." (cdr (car list)))
(Info-read-subfile (car (car list)))
(make-local-variable 'Info-current-subfile)
(make-local-variable 'Info-current-node)
(make-local-variable 'Info-tag-table-marker)
+ (setq Info-tag-table-marker (make-marker))
+ (make-local-variable 'Info-tag-table-buffer)
+ (setq Info-tag-table-buffer nil)
(make-local-variable 'Info-current-file-completions)
(make-local-variable 'Info-current-annotation-completions)
(make-local-variable 'Info-index-alternatives)
(interactive)
;; Do this first, so nothing has changed if user C-g's at query.
(and (buffer-modified-p)
- (y-or-n-p-maybe-dialog-box "Save the file? ")
+ (y-or-n-p "Save the file? ")
(save-buffer))
(use-local-map Info-mode-map)
(setq major-mode 'Info-mode)
projects / chise / xemacs-chise.git.1 / blobdiff