-;;; nneething.el --- random file access for Gnus
-;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
+;;; nneething.el --- arbitrary file access for Gnus
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001
+;; Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;; Keywords: news, mail
;;; Commentary:
-;; Based on nnspool.el by Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>.
-;; For an overview of what the interface functions do, please see the
-;; Gnus sources.
-
;;; Code:
+(eval-when-compile (require 'cl))
+
(require 'nnheader)
(require 'nnmail)
(require 'nnoo)
(require 'gnus-util)
-(require 'cl)
(nnoo-declare nneething)
(defvoo nneething-map-file-directory "~/.nneething/"
- "*Where nneething stores the map files.")
+ "Where nneething stores the map files.")
(defvoo nneething-map-file ".nneething"
- "*Name of the map files.")
+ "Name of the map files.")
(defvoo nneething-exclude-files nil
- "*Regexp saying what files to exclude from the group.
+ "Regexp saying what files to exclude from the group.
If this variable is nil, no files will be excluded.")
+(defvoo nneething-include-files nil
+ "Regexp saying what files to include in the group.
+If this variable is non-nil, only files matching this regexp will be
+included.")
+
\f
;;; Internal variables.
"Current news group directory.")
(defvoo nneething-status-string "")
-(defvoo nneething-group-alist nil)
(defvoo nneething-message-id-number 0)
(defvoo nneething-work-buffer " *nneething work*")
-(defvoo nneething-directory nil)
(defvoo nneething-group nil)
(defvoo nneething-map nil)
(defvoo nneething-read-only nil)
(defvoo nneething-active nil)
+(defvoo nneething-address nil)
\f
(and large
(zerop (% count 20))
- (message "nneething: Receiving headers... %d%%"
- (/ (* count 100) number))))
+ (nnheader-message 5 "nneething: Receiving headers... %d%%"
+ (/ (* count 100) number))))
(when large
- (message "nneething: Receiving headers...done"))
+ (nnheader-message 5 "nneething: Receiving headers...done"))
(nnheader-fold-continuation-lines)
'headers))))
(nnmail-find-file file) ; Insert the file in the nntp buf.
(unless (nnheader-article-p) ; Either it's a real article...
(goto-char (point-min))
- (nneething-make-head file (current-buffer)) ; ... or we fake some headers.
+ (nneething-make-head
+ file (current-buffer)) ; ... or we fake some headers.
(insert "\n"))
t))))
-(deffoo nneething-request-group (group &optional dir dont-check)
- (nneething-possibly-change-directory group dir)
+(deffoo nneething-request-group (group &optional server dont-check)
+ (nneething-possibly-change-directory group server)
(unless dont-check
(nneething-create-mapping)
(if (> (car nneething-active) (cdr nneething-active))
(setq nneething-current-directory nil)
t)
+(deffoo nneething-open-server (server &optional defs)
+ (nnheader-init-server-buffer)
+ (if (nneething-server-opened server)
+ t
+ (unless (assq 'nneething-address defs)
+ (setq defs (append defs (list (list 'nneething-address server)))))
+ (nnoo-change-server 'nneething server defs)))
+
\f
;;; Internal functions.
-(defun nneething-possibly-change-directory (group &optional dir)
- (when group
- (if (and nneething-group
- (string= group nneething-group))
- t
- (let (entry)
- (if (setq entry (assoc group nneething-group-alist))
- (progn
- (setq nneething-group group)
- (setq nneething-directory (nth 1 entry))
- (setq nneething-map (nth 2 entry))
- (setq nneething-active (nth 3 entry)))
- (setq nneething-group group)
- (setq nneething-directory dir)
- (setq nneething-map nil)
- (setq nneething-active (cons 1 0))
- (nneething-create-mapping)
- (push (list group dir nneething-map nneething-active)
- nneething-group-alist))))))
+(defun nneething-possibly-change-directory (group &optional server)
+ (when (and server
+ (not (nneething-server-opened server)))
+ (nneething-open-server server))
+ (when (and group
+ (not (equal nneething-group group)))
+ (setq nneething-group group)
+ (setq nneething-map nil)
+ (setq nneething-active (cons 1 0))
+ (nneething-create-mapping)))
(defun nneething-map-file ()
;; We make sure that the .nneething directory exists.
(defun nneething-create-mapping ()
;; Read nneething-active and nneething-map.
- (when (file-exists-p nneething-directory)
+ (when (file-exists-p nneething-address)
(let ((map-file (nneething-map-file))
- (files (directory-files nneething-directory))
+ (files (directory-files nneething-address))
touched map-files)
(when (file-exists-p map-file)
(ignore-errors
(setq files (cdr files)))
(setq prev f))
(setq f (cdr f)))))
+ ;; Remove files not matching the inclusion regexp.
+ (when nneething-include-files
+ (let ((f files)
+ prev)
+ (while f
+ (if (not (string-match nneething-include-files (car f)))
+ (if prev (setcdr prev (cdr f))
+ (setq files (cdr files)))
+ (setq prev f))
+ (setq f (cdr f)))))
;; Remove deleted files from the map.
(let ((map nneething-map)
prev)
(while map
- (if (and (member (cadar map) files)
+ (if (and (member (cadr (car map)) files)
;; We also remove files that have changed mod times.
(equal (nth 5 (file-attributes
- (nneething-file-name (cadar map))))
- (caddar map)))
+ (nneething-file-name (cadr (car map)))))
+ (cadr (cdar map))))
(progn
- (push (cadar map) map-files)
+ (push (cadr (car map)) map-files)
(setq prev map))
(setq touched t)
(if prev
(setq files (cdr files)))
(when (and touched
(not nneething-read-only))
- (nnheader-temp-write map-file
+ (with-temp-file map-file
(insert "(setq nneething-map '")
(gnus-prin1 nneething-map)
(insert ")\n(setq nneething-active '")
(insert-buffer-substring nneething-work-buffer)
(goto-char (point-max))))
-(defun nneething-make-head (file &optional buffer)
+(defun nneething-make-head (file &optional buffer extra-msg)
"Create a head by looking at the file attributes of FILE."
(let ((atts (file-attributes file)))
(insert
- "Subject: " (file-name-nondirectory file) "\n"
+ "Subject: " (file-name-nondirectory file) (or extra-msg "") "\n"
"Message-ID: <nneething-"
(int-to-string (incf nneething-message-id-number))
"@" (system-name) ">\n"
(concat "Lines: " (int-to-string
(count-lines (point-min) (point-max)))
"\n"))
- "")
- )))
+ ""))))
(defun nneething-from-line (uid &optional file)
"Return a From header based of UID."
(substring file
(match-beginning 1)
(match-end 1))
- (when (string-match "/\\(users\\|home\\)/\\([^/]+\\)/" file)
+ (when (string-match
+ "/\\(users\\|home\\)/\\([^/]+\\)/" file)
(setq login (substring file
(match-beginning 2)
(match-end 2))
(save-excursion
(set-buffer (get-buffer-create nneething-work-buffer))
(setq case-fold-search nil)
- (buffer-disable-undo (current-buffer))
+ (buffer-disable-undo)
(erase-buffer)
(cond
((not (file-exists-p file))
(nneething-make-head file) t)
(t
;; We examine the file.
- (nnheader-insert-head file)
- (if (nnheader-article-p)
- (delete-region
- (progn
- (goto-char (point-min))
- (or (and (search-forward "\n\n" nil t)
+ (condition-case ()
+ (progn
+ (nnheader-insert-head file)
+ (if (nnheader-article-p)
+ (delete-region
+ (progn
+ (goto-char (point-min))
+ (or (and (search-forward "\n\n" nil t)
(1- (point)))
- (point-max)))
- (point-max))
- (goto-char (point-min))
- (nneething-make-head file (current-buffer))
- (delete-region (point) (point-max)))
+ (point-max)))
+ (point-max))
+ (goto-char (point-min))
+ (nneething-make-head file (current-buffer))
+ (delete-region (point) (point-max))))
+ (file-error
+ (nneething-make-head file (current-buffer) " (unreadable)")))
t))))
(defun nneething-file-name (article)
"Return the file name of ARTICLE."
- (concat (file-name-as-directory nneething-directory)
- (if (numberp article)
- (cadr (assq article nneething-map))
- article)))
+ (let ((dir (file-name-as-directory nneething-address))
+ fname)
+ (if (numberp article)
+ (if (setq fname (cadr (assq article nneething-map)))
+ (expand-file-name fname dir)
+ (make-temp-name (expand-file-name "nneething" dir)))
+ (expand-file-name article dir))))
(provide 'nneething)