,@(mapcar (lambda (elem) (list 'const (car elem)))
nnir-engines)))))
-;; Gnus glue.
-
-(declare-function gnus-group-topic-name "gnus-topic" ())
-
-(defun gnus-group-make-nnir-group (nnir-extra-parms &optional specs)
- "Create an nnir group. Prompt for a search query and determine
-the groups to search as follows: if called from the *Server*
-buffer search all groups belonging to the server on the current
-line; if called from the *Group* buffer search any marked groups,
-or the group on the current line, or all the groups under the
-current topic. Calling with a prefix-arg prompts for additional
-search-engine specific constraints. A non-nil `specs' arg must be
-an alist with `nnir-query-spec' and `nnir-group-spec' keys, and
-skips all prompting."
- (interactive "P")
- (let* ((group-spec
- (or (cdr (assq 'nnir-group-spec specs))
- (if (gnus-server-server-name)
- (list (list (gnus-server-server-name)))
- (nnir-categorize
- (or gnus-group-marked
- (if (gnus-group-group-name)
- (list (gnus-group-group-name))
- (cdr (assoc (gnus-group-topic-name) gnus-topic-alist))))
- gnus-group-server))))
- (query-spec
- (or (cdr (assq 'nnir-query-spec specs))
- (apply
- 'append
- (list (cons 'query
- (read-string "Query: " nil 'nnir-search-history)))
- (when nnir-extra-parms
- (mapcar
- (lambda (x)
- (nnir-read-parms (nnir-server-to-search-engine (car x))))
- group-spec))))))
- (gnus-group-read-ephemeral-group
- (concat "nnir-" (message-unique-id))
- (list 'nnir "nnir")
- nil
-; (cons (current-buffer) gnus-current-window-configuration)
- nil
- nil nil
- (list
- (cons 'nnir-specs (list (cons 'nnir-query-spec query-spec)
- (cons 'nnir-group-spec group-spec)))
- (cons 'nnir-artlist nil)))))
-
-(defun gnus-summary-make-nnir-group (nnir-extra-parms)
- "Search a group from the summary buffer."
- (interactive "P")
- (gnus-warp-to-article)
- (let ((spec
- (list
- (cons 'nnir-group-spec
- (list (list
- (gnus-group-server gnus-newsgroup-name)
- (list gnus-newsgroup-name)))))))
- (gnus-group-make-nnir-group nnir-extra-parms spec)))
-
-
-;; Gnus backend interface functions.
-
-(deffoo nnir-open-server (server &optional definitions)
- ;; Just set the server variables appropriately.
- (let ((backend (car (gnus-server-to-method server))))
- (if backend
- (nnoo-change-server backend server definitions)
- (add-hook 'gnus-summary-mode-hook 'nnir-mode)
- (nnoo-change-server 'nnir server definitions))))
-
-(deffoo nnir-request-group (group &optional server dont-check _info)
- (nnir-possibly-change-group group server)
- (let ((pgroup (gnus-group-guess-full-name-from-command-method group))
- length)
- ;; Check for cached search result or run the query and cache the
- ;; result.
- (unless (and nnir-artlist dont-check)
- (gnus-group-set-parameter
- pgroup 'nnir-artlist
- (setq nnir-artlist
- (nnir-run-query
- (gnus-group-get-parameter pgroup 'nnir-specs t))))
- (nnir-request-update-info pgroup (gnus-get-info pgroup)))
- (with-current-buffer nntp-server-buffer
- (if (zerop (setq length (nnir-artlist-length nnir-artlist)))
- (progn
- (nnir-close-group group)
- (nnheader-report 'nnir "Search produced empty results."))
- (nnheader-insert "211 %d %d %d %s\n"
- length ; total #
- 1 ; first #
- length ; last #
- group)))) ; group name
- nnir-artlist)
-
-(defvar gnus-inhibit-demon)
-
-(deffoo nnir-retrieve-headers (articles &optional _group _server _fetch-old)
- (with-current-buffer nntp-server-buffer
- (let ((gnus-inhibit-demon t)
- (articles-by-group (nnir-categorize
- articles nnir-article-group nnir-article-ids))
- headers)
- (while (not (null articles-by-group))
- (let* ((group-articles (pop articles-by-group))
- (artgroup (car group-articles))
- (articleids (cadr group-articles))
- (artlist (sort (mapcar 'cdr articleids) '<))
- (server (gnus-group-server artgroup))
- (gnus-override-method (gnus-server-to-method server))
- parsefunc)
- ;; (nnir-possibly-change-group nil server)
- (erase-buffer)
- (pcase (setq gnus-headers-retrieved-by
- (or
- (and
- nnir-retrieve-headers-override-function
- (funcall nnir-retrieve-headers-override-function
- artlist artgroup))
- (gnus-retrieve-headers artlist artgroup nil)))
- ('nov
- (setq parsefunc 'nnheader-parse-nov))
- ('headers
- (setq parsefunc 'nnheader-parse-head))
- (_ (error "Unknown header type %s while requesting articles \
- of group %s" gnus-headers-retrieved-by artgroup)))
- (goto-char (point-min))
- (while (not (eobp))
- (let* ((novitem (funcall parsefunc))
- (artno (and novitem
- (mail-header-number novitem)))
- (art (car (rassq artno articleids))))
- (when art
- (mail-header-set-number novitem art)
- (push novitem headers))
- (forward-line 1)))))
- (setq headers
- (sort headers
- (lambda (x y)
- (< (mail-header-number x) (mail-header-number y)))))
- (erase-buffer)
- (mapc 'nnheader-insert-nov headers)
- 'nov)))
-
-(defvar gnus-article-decode-hook)
-
-(deffoo nnir-request-article (article &optional group server to-buffer)
- (nnir-possibly-change-group group server)
- (if (and (stringp article)
- (not (eq 'nnimap (car (gnus-server-to-method server)))))
- (nnheader-report
- 'nnir
- "nnir-request-article only groks message ids for nnimap servers: %s"
- server)
- (save-excursion
- (let ((article article)
- query)
- (when (stringp article)
- (setq gnus-override-method (gnus-server-to-method server))
- (setq query
- (list
- (cons 'query (format "HEADER Message-ID %s" article))
- (cons 'criteria "")
- (cons 'shortcut t)))
- (unless (and nnir-artlist (equal query nnir-memo-query)
- (equal server nnir-memo-server))
- (setq nnir-artlist (nnir-run-imap query server)
- nnir-memo-query query
- nnir-memo-server server))
- (setq article 1))
- (unless (zerop (nnir-artlist-length nnir-artlist))
- (let ((artfullgroup (nnir-article-group article))
- (artno (nnir-article-number article)))
- (message "Requesting article %d from group %s"
- artno artfullgroup)
- (if to-buffer
- (with-current-buffer to-buffer
- (let ((gnus-article-decode-hook nil))
- (gnus-request-article-this-buffer artno artfullgroup)))
- (gnus-request-article artno artfullgroup))
- (cons artfullgroup artno)))))))
-
-(deffoo nnir-request-move-article (article group server accept-form
- &optional last _internal-move-group)
- (nnir-possibly-change-group group server)
- (let* ((artfullgroup (nnir-article-group article))
- (artno (nnir-article-number article))
- (to-newsgroup (nth 1 accept-form))
- (to-method (gnus-find-method-for-group to-newsgroup))
- (from-method (gnus-find-method-for-group artfullgroup))
- (move-is-internal (gnus-server-equal from-method to-method)))
- (unless (gnus-check-backend-function
- 'request-move-article artfullgroup)
- (error "The group %s does not support article moving" artfullgroup))
- (gnus-request-move-article
- artno
- artfullgroup
- (nth 1 from-method)
- accept-form
- last
- (and move-is-internal
- to-newsgroup ; Not respooling
- (gnus-group-real-name to-newsgroup)))))
-
-(deffoo nnir-request-expire-articles (articles group &optional server force)
- (nnir-possibly-change-group group server)
- (if force
- (let ((articles-by-group (nnir-categorize
- articles nnir-article-group nnir-article-ids))
- not-deleted)
- (while (not (null articles-by-group))
- (let* ((group-articles (pop articles-by-group))
- (artgroup (car group-articles))
- (articleids (cadr group-articles))
- (artlist (sort (mapcar 'cdr articleids) '<)))
- (unless (gnus-check-backend-function 'request-expire-articles
- artgroup)
- (error "The group %s does not support article deletion" artgroup))
- (unless (gnus-check-server (gnus-find-method-for-group artgroup))
- (error "Couldn't open server for group %s" artgroup))
- (push (gnus-request-expire-articles
- artlist artgroup force)
- not-deleted)))
- (sort (delq nil not-deleted) '<))
- articles))
-
-(deffoo nnir-warp-to-article ()
- (nnir-possibly-change-group gnus-newsgroup-name)
- (let* ((cur (if (> (gnus-summary-article-number) 0)
- (gnus-summary-article-number)
- (error "Can't warp to a pseudo-article")))
- (backend-article-group (nnir-article-group cur))
- (backend-article-number (nnir-article-number cur))
-; (quit-config (gnus-ephemeral-group-p gnus-newsgroup-name))
- )
-
- ;; what should we do here? we could leave all the buffers around
- ;; and assume that we have to exit from them one by one. or we can
- ;; try to clean up directly
-
- ;;first exit from the nnir summary buffer.
-; (gnus-summary-exit)
- ;; and if the nnir summary buffer in turn came from another
- ;; summary buffer we have to clean that summary up too.
- ; (when (not (eq (cdr quit-config) 'group))
-; (gnus-summary-exit))
- (gnus-summary-read-group-1 backend-article-group t t nil
- nil (list backend-article-number))))
-
-(deffoo nnir-request-update-mark (_group article mark)
- (let ((artgroup (nnir-article-group article))
- (artnumber (nnir-article-number article)))
- (or (and artgroup
- artnumber
- (gnus-request-update-mark artgroup artnumber mark))
- mark)))
-
-(deffoo nnir-request-set-mark (group actions &optional server)
- (nnir-possibly-change-group group server)
- (let (mlist)
- (dolist (action actions)
- (cl-destructuring-bind (range action marks) action
- (let ((articles-by-group (nnir-categorize
- (gnus-uncompress-range range)
- nnir-article-group nnir-article-number)))
- (dolist (artgroup articles-by-group)
- (push (list
- (car artgroup)
- (list (gnus-compress-sequence
- (sort (cadr artgroup) '<))
- action marks))
- mlist)))))
- (dolist (request (nnir-categorize mlist car cadr))
- (gnus-request-set-mark (car request) (cadr request)))))
-
-
-(deffoo nnir-request-update-info (group info &optional server)
- (nnir-possibly-change-group group server)
- ;; clear out all existing marks.
- (gnus-info-set-marks info nil)
- (gnus-info-set-read info nil)
- (let ((group (gnus-group-guess-full-name-from-command-method group))
- (articles-by-group
- (nnir-categorize
- (gnus-uncompress-range (cons 1 (nnir-artlist-length nnir-artlist)))
- nnir-article-group nnir-article-ids)))
- (gnus-set-active group
- (cons 1 (nnir-artlist-length nnir-artlist)))
- (while (not (null articles-by-group))
- (let* ((group-articles (pop articles-by-group))
- (articleids (reverse (cadr group-articles)))
- (group-info (gnus-get-info (car group-articles)))
- (marks (gnus-info-marks group-info))
- (read (gnus-info-read group-info)))
- (gnus-info-set-read
- info
- (gnus-add-to-range
- (gnus-info-read info)
- (delq nil
- (mapcar
- #'(lambda (art)
- (when (gnus-member-of-range (cdr art) read) (car art)))
- articleids))))
- (dolist (mark marks)
- (cl-destructuring-bind (type . range) mark
- (gnus-add-marked-articles
- group type
- (delq nil
- (mapcar
- #'(lambda (art)
- (when (gnus-member-of-range (cdr art) range) (car art)))
- articleids)))))))))
-
-
-(deffoo nnir-close-group (group &optional server)
- (nnir-possibly-change-group group server)
- (let ((pgroup (gnus-group-guess-full-name-from-command-method group)))
- (when (and nnir-artlist (not (gnus-ephemeral-group-p pgroup)))
- (gnus-group-set-parameter pgroup 'nnir-artlist nnir-artlist))
- (setq nnir-artlist nil)
- (when (gnus-ephemeral-group-p pgroup)
- (gnus-kill-ephemeral-group pgroup)
- (setq gnus-ephemeral-servers
- (delq (assq 'nnir gnus-ephemeral-servers)
- gnus-ephemeral-servers)))))
-;; (gnus-opened-servers-remove
-;; (car (assoc '(nnir "nnir-ephemeral" (nnir-address "nnir"))
-;; gnus-opened-servers))))
-
-
--
--
(defmacro nnir-add-result (dirnam artno score prefix server artlist)
"Ask `nnir-compose-result' to construct a result vector,
and if it is non-nil, add it to artlist."