-(defun gnus-cache-retrieve-parsed-headers (articles group &optional fetch-old
- dependencies force-new)
- "Retrieve the parsed-headers for ARTICLES in GROUP."
- (let ((cached
- (setq gnus-newsgroup-cached (gnus-cache-articles-in-group group))))
- (if (not cached)
- ;; No cached articles here, so we just retrieve them
- ;; the normal way.
- (let ((gnus-use-cache nil))
- (gnus-retrieve-parsed-headers articles group fetch-old
- dependencies force-new))
- (let ((uncached-articles (gnus-sorted-intersection
- (gnus-sorted-complement articles cached)
- articles))
- (cache-file (gnus-cache-file-name group ".overview")))
- (gnus-cache-braid-headers
- ;; We first retrieve all the headers that we don't have in
- ;; the cache.
- (prog1
- (let ((gnus-use-cache nil))
- (when uncached-articles
- (and articles
- (gnus-retrieve-parsed-headers
- uncached-articles group fetch-old
- dependencies))
- ))
- (gnus-cache-save-buffers))
- ;; Then we insert the cached headers.
- (cond ((not (file-exists-p cache-file))
- ;; There are no cached headers.
- )
- ((eq gnus-headers-retrieved-by 'nov)
- (with-current-buffer nntp-server-buffer
- (erase-buffer)
- (nnheader-insert-file-contents cache-file)
- (nnheader-get-newsgroup-headers-xover*
- articles nil dependencies group)
- ))
- (t
- ;; We braid HEADs.
- (nnheader-retrieve-headers-from-directory*
- cached
- (expand-file-name
- (file-name-as-directory
- (nnheader-translate-file-chars
- (if (gnus-use-long-file-name 'not-cache)
- group
- (let ((group
- (nnheader-replace-chars-in-string group ?/ ?_)))
- ;; Translate the first colon into a slash.
- (when (string-match ":" group)
- (aset group (match-beginning 0) ?/))
- (nnheader-replace-chars-in-string group ?. ?/)))
- t))
- gnus-cache-directory)
- dependencies)
- )))
- ))))
-