;;; nneething.el --- random file access for Gnus
-;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97,98 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;;; 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.")
\f
"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-directory nil)
\f
+(autoload 'gnus-encode-coding-string "gnus-ems")
+
;;; Interface functions.
(nnoo-define-basics nneething)
(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-directory defs)
+ (setq defs (append defs (list (list 'nneething-directory 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.
- (let ((map-file (nneething-map-file))
- (files (directory-files nneething-directory))
- touched map-files)
- (when (file-exists-p map-file)
- (ignore-errors
- (load map-file nil t t)))
- (unless nneething-active
- (setq nneething-active (cons 1 0)))
- ;; Old nneething had a different map format.
- (when (and (cdar nneething-map)
- (atom (cdar nneething-map)))
- (setq nneething-map
- (mapcar (lambda (n)
- (list (cdr n) (car n)
- (nth 5 (file-attributes
- (nneething-file-name (car n))))))
- nneething-map)))
- ;; Remove files matching the exclusion regexp.
- (when nneething-exclude-files
- (let ((f files)
+ (when (file-exists-p nneething-directory)
+ (let ((map-file (nneething-map-file))
+ (files (directory-files nneething-directory))
+ touched map-files)
+ (when (file-exists-p map-file)
+ (ignore-errors
+ (load map-file nil t t)))
+ (unless nneething-active
+ (setq nneething-active (cons 1 0)))
+ ;; Old nneething had a different map format.
+ (when (and (cdar nneething-map)
+ (atom (cdar nneething-map)))
+ (setq nneething-map
+ (mapcar (lambda (n)
+ (list (cdr n) (car n)
+ (nth 5 (file-attributes
+ (nneething-file-name (car n))))))
+ nneething-map)))
+ ;; Remove files matching the exclusion regexp.
+ (when nneething-exclude-files
+ (let ((f files)
+ prev)
+ (while f
+ (if (string-match nneething-exclude-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 f
- (if (string-match nneething-exclude-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)
- ;; We also remove files that have changed mod times.
- (equal (nth 5 (file-attributes
- (nneething-file-name (cadar map))))
- (caddar map)))
- (progn
- (push (cadar map) map-files)
- (setq prev map))
+ (while map
+ (if (and (member (cadar map) files)
+ ;; We also remove files that have changed mod times.
+ (equal (nth 5 (file-attributes
+ (nneething-file-name (cadar map))))
+ (caddar map)))
+ (progn
+ (push (cadar map) map-files)
+ (setq prev map))
+ (setq touched t)
+ (if prev
+ (setcdr prev (cdr map))
+ (setq nneething-map (cdr nneething-map))))
+ (setq map (cdr map))))
+ ;; Find all new files and enter them into the map.
+ (while files
+ (unless (member (car files) map-files)
+ ;; This file is not in the map, so we enter it.
(setq touched t)
- (if prev
- (setcdr prev (cdr map))
- (setq nneething-map (cdr nneething-map))))
- (setq map (cdr map))))
- ;; Find all new files and enter them into the map.
- (while files
- (unless (member (car files) map-files)
- ;; This file is not in the map, so we enter it.
- (setq touched t)
- (setcdr nneething-active (1+ (cdr nneething-active)))
- (push (list (cdr nneething-active) (car files)
- (nth 5 (file-attributes
- (nneething-file-name (car files)))))
- nneething-map))
- (setq files (cdr files)))
- (when (and touched
- (not nneething-read-only))
- (nnheader-temp-write map-file
- (insert "(setq nneething-map '")
- (gnus-prin1 nneething-map)
- (insert ")\n(setq nneething-active '")
- (gnus-prin1 nneething-active)
- (insert ")\n")))))
+ (setcdr nneething-active (1+ (cdr nneething-active)))
+ (push (list (cdr nneething-active) (car files)
+ (nth 5 (file-attributes
+ (nneething-file-name (car files)))))
+ nneething-map))
+ (setq files (cdr files)))
+ (when (and touched
+ (not nneething-read-only))
+ (nnheader-temp-write map-file
+ (insert "(setq nneething-map '")
+ (gnus-prin1 nneething-map)
+ (insert ")\n(setq nneething-active '")
+ (gnus-prin1 nneething-active)
+ (insert ")\n"))))))
(defun nneething-insert-head (file)
"Insert the head of FILE."