(gnus-agent-cat-defaccessor
gnus-agent-cat-enable-undownloaded-faces agent-enable-undownloaded-faces)
+
+;; This form is equivalent to defsetf except that it calls make-symbol
+;; whereas defsetf calls gensym (Using gensym creates a run-time
+;; dependency on the CL library).
+
(eval-and-compile
- (defsetf gnus-agent-cat-groups (category) (groups)
- (list 'gnus-agent-set-cat-groups category groups)))
+ (define-setf-method gnus-agent-cat-groups (category)
+ (let* ((--category--temp-- (make-symbol "--category--"))
+ (--groups--temp-- (make-symbol "--groups--")))
+ (list (list --category--temp--)
+ (list category)
+ (list --groups--temp--)
+ (let* ((category --category--temp--)
+ (groups --groups--temp--))
+ (list (quote gnus-agent-set-cat-groups) category groups))
+ (list (quote gnus-agent-cat-groups) --category--temp--))))
+ )
(defun gnus-agent-set-cat-groups (category groups)
(unless (eq groups 'ignore)
gnus-downloadable-mark)
'unread))))
+;;;###autoload
(defun gnus-agent-get-undownloaded-list ()
"Construct list of articles that have not been downloaded."
(let ((gnus-command-method (gnus-find-method-for-group gnus-newsgroup-name)))
;; will add it while reading the file.
(gnus-write-active-file file new nil)))
+;;;###autoload
(defun gnus-agent-possibly-alter-active (group active &optional info)
"Possibly expand a group's active range to include articles
downloaded into the agent."
(gnus-message 7 ""))
(cdr fetched-articles))))))
+(defun gnus-agent-unfetch-articles (group articles)
+ "Delete ARTICLES that were fetched from GROUP into the agent."
+ (when articles
+ (gnus-agent-with-refreshed-group
+ group
+ (gnus-agent-load-alist group)
+ (let* ((alist (cons nil gnus-agent-article-alist))
+ (articles (sort articles #'<))
+ (next-possibility alist)
+ (delete-this (pop articles)))
+ (while (and (cdr next-possibility) delete-this)
+ (let ((have-this (caar (cdr next-possibility))))
+ (cond ((< delete-this have-this)
+ (setq delete-this (pop articles)))
+ ((= delete-this have-this)
+ (let ((timestamp (cdar (cdr next-possibility))))
+ (when timestamp
+ (let* ((file-name (concat (gnus-agent-group-pathname group)
+ (number-to-string have-this)))
+ (size-file (float (or (and gnus-agent-total-fetched-hashtb
+ (nth 7 (file-attributes file-name)))
+ 0))))
+ (delete-file file-name)
+ (gnus-agent-update-files-total-fetched-for group (- size-file)))))
+
+ (setcdr next-possibility (cddr next-possibility)))
+ (t
+ (setq next-possibility (cdr next-possibility))))))
+ (setq gnus-agent-article-alist (cdr alist))
+ (gnus-agent-save-alist group)))))
+
(defun gnus-agent-crosspost (crosses article &optional date)
(setq date (or date t))
(insert "\n"))
(setq gnus-agent-group-alist (cdr gnus-agent-group-alist)))))
+;;;###autoload
(defun gnus-agent-find-parameter (group symbol)
"Search for GROUPs SYMBOL in the group's parameters, the group's
topic parameters, the group's category, or the customizable
;; of FILE.
(copy-to-buffer
gnus-agent-overview-buffer (point-min) (point-max))
- (when (file-exists-p file)
- (gnus-agent-braid-nov group articles file))
+ ;; NOTE: Call g-a-brand-nov even when the file does not
+ ;; exist. As a minimum, it will validate the article
+ ;; numbers already in the buffer.
+ (gnus-agent-braid-nov group articles file)
(gnus-agent-check-overview-buffer)
(write-region-as-coding-system
gnus-agent-file-coding-system
(nnheader-insert-file-contents file)))))
articles))
+(defsubst gnus-agent-read-article-number ()
+ "Reads the article number at point. Returns nil when a valid article number can not be read."
+
+ ;; It is unfortunite but the read function quietly overflows
+ ;; integer. As a result, I have to use string operations to test
+ ;; for overflow BEFORE calling read.
+ (when (looking-at "[0-9]+\t")
+ (let ((len (- (match-end 0) (match-beginning 0))))
+ (cond ((< len 9)
+ (read (current-buffer)))
+ ((= len 9)
+ ;; Many 9 digit base-10 numbers can be represented in a 27-bit int
+ ;; Back convert from int to string to ensure that this is one of them.
+ (let* ((str1 (buffer-substring (match-beginning 0) (1- (match-end 0))))
+ (num (read (current-buffer)))
+ (str2 (int-to-string num)))
+ (when (equal str1 str2)
+ num)))))))
+
(defsubst gnus-agent-copy-nov-line (article)
+ "Copy the indicated ARTICLE from the overview buffer to the nntp server buffer."
(let (art b e)
(set-buffer gnus-agent-overview-buffer)
(while (and (not (eobp))
- (< (setq art (read (current-buffer))) article))
+ (or (not (setq art (gnus-agent-read-article-number)))
+ (< art article)))
(forward-line 1))
(beginning-of-line)
(if (or (eobp)
(defun gnus-agent-braid-nov (group articles file)
"Merge agent overview data with given file.
-Takes headers for ARTICLES from `gnus-agent-overview-buffer' and the given
-FILE and places the combined headers into `nntp-server-buffer'."
+Takes unvalidated headers for ARTICLES from
+`gnus-agent-overview-buffer' and validated headers from the given
+FILE and places the combined valid headers into
+`nntp-server-buffer'. This function can be used, when file
+doesn't exist, to valid the overview buffer."
(let (start last)
(set-buffer gnus-agent-overview-buffer)
(goto-char (point-min))
(set-buffer nntp-server-buffer)
(erase-buffer)
- (nnheader-insert-file-contents file)
+ (when (file-exists-p file)
+ (nnheader-insert-file-contents file))
(goto-char (point-max))
(forward-line -1)
- (unless (looking-at "[0-9]+\t")
- ;; Remove corrupted lines
- (gnus-message
- 1 "Overview %s is corrupted. Removing corrupted lines..." file)
- (goto-char (point-min))
- (while (not (eobp))
- (if (looking-at "[0-9]+\t")
- (forward-line 1)
- (delete-region (point) (progn (forward-line 1) (point)))))
- (forward-line -1))
+
(unless (or (= (point-min) (point-max))
(< (setq last (read (current-buffer))) (car articles)))
- ;; We do it the hard way.
+ ;; Old and new overlap -- We do it the hard way.
(when (nnheader-find-nov-line (car articles))
;; Replacing existing NOV entry
(delete-region (point) (progn (forward-line 1) (point))))
(gnus-agent-copy-nov-line (pop articles))
(ignore-errors
- (while articles
- (while (let ((art (read (current-buffer))))
- (cond ((< art (car articles))
- (forward-line 1)
- t)
- ((= art (car articles))
- (beginning-of-line)
- (delete-region
- (point) (progn (forward-line 1) (point)))
- nil)
- (t
- (beginning-of-line)
- nil))))
-
- (gnus-agent-copy-nov-line (pop articles)))))
-
- ;; Copy the rest lines
- (set-buffer nntp-server-buffer)
+ (while articles
+ (while (let ((art (read (current-buffer))))
+ (cond ((< art (car articles))
+ (forward-line 1)
+ t)
+ ((= art (car articles))
+ (beginning-of-line)
+ (delete-region
+ (point) (progn (forward-line 1) (point)))
+ nil)
+ (t
+ (beginning-of-line)
+ nil))))
+
+ (gnus-agent-copy-nov-line (pop articles)))))
+
(goto-char (point-max))
+
+ ;; Append the remaining lines
(when articles
(when last
(set-buffer gnus-agent-overview-buffer)
- (ignore-errors
- (while (<= (read (current-buffer)) last)
- (forward-line 1)))
- (beginning-of-line)
(setq start (point))
(set-buffer nntp-server-buffer))
- (insert-buffer-substring gnus-agent-overview-buffer start))))
+
+ (let ((p (point)))
+ (insert-buffer-substring gnus-agent-overview-buffer start)
+ (goto-char p))
+
+ (setq last (or last -134217728))
+ (let (sort art)
+ (while (not (eobp))
+ (setq art (gnus-agent-read-article-number))
+ (cond ((not art)
+ ;; Bad art num - delete this line
+ (beginning-of-line)
+ (delete-region (point) (progn (forward-line 1) (point))))
+ ((< art last)
+ ;; Art num out of order - enable sort
+ (setq sort t)
+ (forward-line 1))
+ (t
+ ;; Good art num
+ (setq last art)
+ (forward-line 1))))
+ (when sort
+ (sort-numeric-fields 1 (point-min) (point-max)))))))
;; Keeps the compiler from warning about the free variable in
;; gnus-agent-read-agentview.
(defun gnus-agent-uncached-articles (articles group &optional cached-header)
"Restrict ARTICLES to numbers already fetched.
-Returns a sublist of ARTICLES that excludes thos article ids in GROUP
+Returns a sublist of ARTICLES that excludes those article ids in GROUP
that have already been fetched.
If CACHED-HEADER is nil, articles are only excluded if the article itself
has been fetched."
;; Get the list of articles that were fetched
(goto-char (point-min))
- (let ((pm (point-max)))
+ (let ((pm (point-max))
+ art)
(while (< (point) pm)
- (when (looking-at "[0-9]+\t")
- (gnus-agent-append-to-list
- tail-fetched-articles
- (read (current-buffer))))
+ (when (setq art (gnus-agent-read-article-number))
+ (gnus-agent-append-to-list tail-fetched-articles art))
(forward-line 1)))
;; Clip this list to the headers that will
;; Merge the temp buffer with the known headers (found on
;; disk in FILE) into the nntp-server-buffer
- (when (and uncached-articles (file-exists-p file))
+ (when uncached-articles
(gnus-agent-braid-nov group uncached-articles file))
;; Save the new set of known headers to FILE
(gnus-sethash path (make-list 3 0)
gnus-agent-total-fetched-hashtb))))
(when (listp delta)
- (unless delta
- (setq delta (directory-files path nil "^-?[0-9]+$" t)))
-
- (let ((sum 0.0)
- file)
- (while (setq file (pop delta))
- (incf sum (float (or (nth 7 (file-attributes
- (nnheader-concat
- path
- (if (numberp file)
- (number-to-string file)
- file)))) 0))))
- (setq delta sum)))
+ (if delta
+ (let ((sum 0.0)
+ file)
+ (while (setq file (pop delta))
+ (incf sum (float (or (nth 7 (file-attributes
+ (nnheader-concat
+ path
+ (if (numberp file)
+ (number-to-string file)
+ file)))) 0))))
+ (setq delta sum))
+ (let ((sum 0.0)
+ (info (directory-files-and-attributes path nil "^-?[0-9]+$" t))
+ file)
+ (while (setq file (pop info))
+ (incf sum (float (or (nth 8 file) 0))))
+ (setq delta sum))))
(setq gnus-agent-need-update-total-fetched-for t)
(incf (nth 2 entry) delta)))))
(let ((fcv (and gnus-newsrc-file-version
(gnus-continuum-version gnus-newsrc-file-version))))
(when fcv
- ;; A .newsrc.eld file was loaded.
+ ;; A newsrc file was loaded.
(let (prompt-displayed
(converters
(sort
(while (let (c
(cursor-in-echo-area t)
(echo-keystrokes 0))
- (message "Convert newsrc from version '%s' to '%s'? (n/y/?)"
+ (message "Convert gnus from version '%s' to '%s'? (n/y/?)"
gnus-newsrc-file-version gnus-version)
(setq c (read-char-exclusive))
(cond ((or (eq c ?n) (eq c ?N))
- (error "Can not start gnus using old (unconverted) newsrc"))
+ (error "Can not start gnus without converting"))
((or (eq c ?y) (eq c ?Y))
(setq prompt-displayed t)
nil)
((eq c ?\?)
(message "This conversion is irreversible. \
- You should backup your files before proceeding.")
+ To be safe, you should backup your files before proceeding.")
(sit-for 5)
t)
(t
(funcall func convert-to)))
(gnus-dribble-enter
- (format ";Converted newsrc from version '%s' to '%s'? (n/y/?)"
+ (format ";Converted gnus from version '%s' to '%s'."
gnus-newsrc-file-version gnus-version)))))))
(defun gnus-convert-mark-converter-prompt (converter no-prompt)
- (setplist converter
- (let* ((symbol 'gnus-convert-no-prompt)
- (value (delq symbol (symbol-plist converter))))
- (if no-prompt
- (cons symbol value)
- value))))
+ "Indicate whether CONVERTER requires gnus-convert-old-newsrc to
+ display the conversion prompt. NO-PROMPT may be nil (prompt),
+ t (no prompt), or any form that can be called as a function.
+ The form should return either t or nil."
+ (put converter 'gnus-convert-no-prompt no-prompt))
(defun gnus-convert-converter-needs-prompt (converter)
- (not (memq 'gnus-convert-no-prompt (symbol-plist converter))))
+ (let ((no-prompt (get converter 'gnus-convert-no-prompt)))
+ (not (if (memq no-prompt '(t nil))
+ no-prompt
+ (funcall no-prompt)))))
(defun gnus-convert-old-ticks (converting-to)
(let ((newsrc (cdr gnus-newsrc-alist))
projects / elisp / gnus.git- / commitdiff