X-Git-Url: http://cgit.sxemacs.org/?p=gnus;a=blobdiff_plain;f=lisp%2Fgnus-registry.el;h=1d5887dad26816fe04a1f46b50c001bb457e59fd;hp=eac4ed7fbdb26d57d87dd337c4fa99afc3f1f319;hb=f3cd1f22996e850ce85328c16309588750b348a3;hpb=b8aa284d45434ca73256407dbafc5e5873e9b4ac diff --git a/lisp/gnus-registry.el b/lisp/gnus-registry.el index eac4ed7fb..1d5887dad 100644 --- a/lisp/gnus-registry.el +++ b/lisp/gnus-registry.el @@ -1,6 +1,6 @@ ;;; gnus-registry.el --- article registry for Gnus -;; Copyright (C) 2002-2012 Free Software Foundation, Inc. +;; Copyright (C) 2002-2015 Free Software Foundation, Inc. ;; Author: Ted Zlatanov ;; Keywords: news registry @@ -78,12 +78,6 @@ (eval-when-compile (require 'cl)) -(eval-when-compile - (when (null (ignore-errors (require 'ert))) - (defmacro* ert-deftest (name () &body docstring-keys-and-body)))) - -(ignore-errors - (require 'ert)) (require 'gnus) (require 'gnus-int) (require 'gnus-sum) @@ -93,10 +87,16 @@ (require 'easymenu) (require 'registry) +;; Silence XEmacs byte compiler, which will otherwise complain about +;; call to `eieio-persistent-read'. +(when (featurep 'xemacs) + (byte-compiler-options + (warnings (- callargs)))) + (defvar gnus-adaptive-word-syntax-table) (defvar gnus-registry-dirty t - "Boolean set to t when the registry is modified") + "Boolean set to t when the registry is modified.") (defgroup gnus-registry nil "The Gnus registry." @@ -142,6 +142,7 @@ display.") The addresses are matched, they don't have to be fully qualified. In the messages, these addresses can be the sender or the recipients." + :version "24.1" :group 'gnus-registry :type '(repeat regexp)) @@ -175,6 +176,8 @@ nnmairix groups are specifically excluded because they are ephemeral." (make-obsolete-variable 'gnus-registry-max-track-groups nil "23.4") (make-obsolete-variable 'gnus-registry-entry-caching nil "23.4") (make-obsolete-variable 'gnus-registry-trim-articles-without-groups nil "23.4") +;; FIXME it was simply deleted. +(make-obsolete-variable 'gnus-registry-max-pruned-entries nil "25.1") (defcustom gnus-registry-track-extra '(subject sender recipient) "Whether the registry should track extra data about a message. @@ -230,7 +233,7 @@ the Bit Bucket." (defcustom gnus-registry-cache-file (nnheader-concat (or gnus-dribble-directory gnus-home-directory "~/") - ".gnus.registry.eioio") + ".gnus.registry.eieio") "File where the Gnus registry will be stored." :group 'gnus-registry :type 'file) @@ -241,30 +244,52 @@ the Bit Bucket." :type '(radio (const :format "Unlimited " nil) (integer :format "Maximum number: %v"))) -(defcustom gnus-registry-max-pruned-entries nil - "Maximum number of pruned entries in the registry, nil for unlimited." +(defcustom gnus-registry-prune-factor 0.1 + "When pruning, try to prune back to this factor less than the maximum size. + +In order to prevent constant pruning, we prune back to a number +somewhat less than the maximum size. This option controls +exactly how much less. For example, given a maximum size of +50000 and a prune factor of 0.1, the pruning process will try to +cut the registry back to \(- 50000 \(* 50000 0.1\)\) -> 45000 +entries. The pruning process is constrained by the presence of +\"precious\" entries." + :version "25.1" :group 'gnus-registry - :type '(radio (const :format "Unlimited " nil) - (integer :format "Maximum number: %v"))) + :type 'float) + +(defcustom gnus-registry-default-sort-function + #'gnus-registry-sort-by-creation-time + "Sort function to use when pruning the registry. +Entries that sort to the front of the list are pruned first. +This can slow pruning down. Set to nil to perform no sorting." + :version "25.1" + :group 'gnus-registry + :type '(choice (const :tag "No sorting" nil) function)) + +(defun gnus-registry-sort-by-creation-time (l r) + "Sort older entries to front of list." + ;; Pruning starts from the front of the list. + (time-less-p + (cadr (assq 'creation-time r)) + (cadr (assq 'creation-time l)))) (defun gnus-registry-fixup-registry (db) (when db - (let ((old (oref db :tracked))) - (oset db :precious + (let ((old (oref db tracked))) + (setf (oref db precious) (append gnus-registry-extra-entries-precious '())) - (oset db :max-hard + (setf (oref db max-size) (or gnus-registry-max-entries most-positive-fixnum)) - (oset db :prune-factor - 0.1) - (oset db :max-soft - (or gnus-registry-max-pruned-entries - most-positive-fixnum)) - (oset db :tracked + (setf (oref db prune-factor) + (or gnus-registry-prune-factor + 0.1)) + (setf (oref db tracked) (append gnus-registry-track-extra '(mark group keyword))) - (when (not (equal old (oref db :tracked))) + (when (not (equal old (oref db tracked))) (gnus-message 9 "Reindexing the Gnus registry (tracked change)") (registry-reindex db)))) db) @@ -272,17 +297,16 @@ the Bit Bucket." (defun gnus-registry-make-db (&optional file) (interactive "fGnus registry persistence file: \n") (gnus-registry-fixup-registry - (registry-db - "Gnus Registry" - :file (or file gnus-registry-cache-file) - ;; these parameters are set in `gnus-registry-fixup-registry' - :max-hard most-positive-fixnum - :max-soft most-positive-fixnum - :precious nil - :tracked nil))) + (make-instance 'registry-db + :file (or file gnus-registry-cache-file) + ;; these parameters are set in `gnus-registry-fixup-registry' + :max-size most-positive-fixnum + :version registry-db-version + :precious nil + :tracked nil))) (defvar gnus-registry-db (gnus-registry-make-db) - "*The article registry by Message ID. See `registry-db'") + "The article registry by Message ID. See `registry-db'.") ;; top-level registry data management (defun gnus-registry-remake-db (&optional forsure) @@ -293,16 +317,27 @@ This is not required after changing `gnus-registry-cache-file'." (gnus-message 4 "Remaking the Gnus registry") (setq gnus-registry-db (gnus-registry-make-db)))) -(defun gnus-registry-read () - "Read the registry cache file." +(defun gnus-registry-load () + "Load the registry from the cache file." (interactive) (let ((file gnus-registry-cache-file)) (condition-case nil - (progn - (gnus-message 5 "Reading Gnus registry from %s..." file) - (setq gnus-registry-db (gnus-registry-fixup-registry - (eieio-persistent-read file))) - (gnus-message 5 "Reading Gnus registry from %s...done" file)) + (gnus-registry-read file) + (file-error + ;; Fix previous mis-naming of the registry file. + (let ((old-file-name + (concat (file-name-sans-extension + gnus-registry-cache-file) + ".eioio"))) + (if (and (file-exists-p old-file-name) + (yes-or-no-p + (format "Rename registry file from %s to %s? " + old-file-name file))) + (progn + (gnus-registry-read old-file-name) + (setf (oref gnus-registry-db :file) file) + (gnus-message 1 "Registry filename changed to %s" file)) + (gnus-registry-remake-db t)))) (error (gnus-message 1 @@ -310,6 +345,19 @@ This is not required after changing `gnus-registry-cache-file'." file) (gnus-registry-remake-db t))))) +(defun gnus-registry-read (file) + "Do the actual reading of the registry persistence file." + (gnus-message 5 "Reading Gnus registry from %s..." file) + (setq gnus-registry-db + (gnus-registry-fixup-registry + (condition-case nil + (with-no-warnings + (eieio-persistent-read file 'registry-db)) + ;; Older EIEIO versions do not check the class name. + ('wrong-number-of-arguments + (eieio-persistent-read file))))) + (gnus-message 5 "Reading Gnus registry from %s...done" file)) + (defun gnus-registry-save (&optional file db) "Save the registry cache file." (interactive) @@ -317,7 +365,8 @@ This is not required after changing `gnus-registry-cache-file'." (db (or db gnus-registry-db))) (gnus-message 5 "Saving Gnus registry (%d entries) to %s..." (registry-size db) file) - (registry-prune db) + (registry-prune + db gnus-registry-default-sort-function) ;; TODO: call (gnus-string-remove-all-properties v) on all elements? (eieio-persistent-save db file) (gnus-message 5 "Saving Gnus registry (size %d) to %s...done" @@ -348,8 +397,7 @@ This is not required after changing `gnus-registry-cache-file'." (sender (nth 0 (gnus-registry-extract-addresses (mail-header-from data-header)))) (from (gnus-group-guess-full-name-from-command-method from)) - (to (if to (gnus-group-guess-full-name-from-command-method to) nil)) - (to-name (if to to "the Bit Bucket"))) + (to (if to (gnus-group-guess-full-name-from-command-method to) nil))) (gnus-message 7 "Gnus registry: article %s %s from %s to %s" id (if method "respooling" "going") from to) @@ -405,7 +453,8 @@ This is not required after changing `gnus-registry-cache-file'." (let ((new (or (assq (first kv) entry) (list (first kv))))) (dolist (toadd (cdr kv)) - (add-to-list 'new toadd t)) + (unless (member toadd new) + (setq new (append new (list toadd))))) (setq entry (cons new (assq-delete-all (first kv) entry)))))) (gnus-message 10 "Gnus registry: new entry for %s is %S" @@ -416,9 +465,9 @@ This is not required after changing `gnus-registry-cache-file'." ;; Function for nn{mail|imap}-split-fancy: look up all references in ;; the cache and if a match is found, return that group. (defun gnus-registry-split-fancy-with-parent () - "Split this message into the same group as its parent. The parent -is obtained from the registry. This function can be used as an entry -in `nnmail-split-fancy' or `nnimap-split-fancy', for example like + "Split this message into the same group as its parent. +The parent is obtained from the registry. This function can be used as an +entry in `nnmail-split-fancy' or `nnimap-split-fancy', for example like this: (: gnus-registry-split-fancy-with-parent) This function tracks ALL backends, unlike @@ -649,7 +698,7 @@ possible. Uses `gnus-registry-split-strategy'." 10 "%s: stripped group %s to %s" log-agent group short-name)) - (add-to-list 'out short-name)) + (pushnew short-name out :test #'equal)) ;; else... (gnus-message 7 @@ -735,8 +784,9 @@ Overrides existing keywords with FORCE set non-nil." (gnus-registry-set-id-key id 'keyword words))))) (defun gnus-registry-keywords () - (let ((table (registry-lookup-secondary gnus-registry-db 'keyword))) - (when table (maphash (lambda (k v) k) table)))) + (let ((table (registry-lookup-secondary gnus-registry-db 'keyword)) + (ks ())) + (when table (maphash (lambda (k _v) (push k ks)) table) ks))) (defun gnus-registry-find-keywords (keyword) (interactive (list @@ -744,7 +794,7 @@ Overrides existing keywords with FORCE set non-nil." (registry-lookup-secondary-value gnus-registry-db 'keyword keyword)) (defun gnus-registry-register-message-ids () - "Register the Message-ID of every article in the group" + "Register the Message-ID of every article in the group." (unless (gnus-parameter-registry-ignore gnus-newsgroup-name) (dolist (article gnus-newsgroup-articles) (let* ((id (gnus-registry-fetch-message-id-fast article)) @@ -759,7 +809,7 @@ Overrides existing keywords with FORCE set non-nil." ;; message field fetchers (defun gnus-registry-fetch-message-id-fast (article) - "Fetch the Message-ID quickly, using the internal gnus-data-list function" + "Fetch the Message-ID quickly, using the internal gnus-data-list function." (if (and (numberp article) (assoc article (gnus-data-list nil))) (mail-header-id (gnus-data-header (assoc article (gnus-data-list nil)))) @@ -791,7 +841,7 @@ Addresses without a name will say \"noname\"." nil)) (defun gnus-registry-fetch-simplified-message-subject-fast (article) - "Fetch the Subject quickly, using the internal gnus-data-list function" + "Fetch the Subject quickly, using the internal gnus-data-list function." (if (and (numberp article) (assoc article (gnus-data-list nil))) (gnus-string-remove-all-properties @@ -809,7 +859,7 @@ Addresses without a name will say \"noname\"." (or (ignore-errors (gnus-registry-fetch-header-fast "To" article)) ""))) (defun gnus-registry-fetch-header-fast (article header) - "Fetch the HEADER quickly, using the internal gnus-data-list function" + "Fetch the HEADER quickly, using the internal gnus-data-list function." (if (and (numberp article) (assoc article (gnus-data-list nil))) (gnus-string-remove-all-properties @@ -829,7 +879,34 @@ FUNCTION should take two parameters, a mark symbol and the cell value." (when cell-data (funcall function mark cell-data))))) -;;; this is ugly code, but I don't know how to do it better +;; FIXME: Why not merge gnus-registry--set/remove-mark and +;; gnus-registry-set-article-mark-internal? +(defun gnus-registry--set/remove-mark (remove mark articles) + "Set/remove the MARK over process-marked ARTICLES." + ;; If this is called and the user doesn't want the + ;; registry enabled, we'll ask anyhow. + (unless gnus-registry-install + (let ((gnus-registry-install 'ask)) + (gnus-registry-install-p))) + + ;; Now the user is asked if gnus-registry-install is `ask'. + (when (gnus-registry-install-p) + (gnus-registry-set-article-mark-internal + ;; All this just to get the mark, I must be doing it wrong. + mark articles remove t) + ;; FIXME: Why do we do the above only here and not directly inside + ;; gnus-registry-set-article-mark-internal? I.e. we wouldn't we want to do + ;; the things below when gnus-registry-set-article-mark-internal is called + ;; from gnus-registry-set-article-mark or + ;; gnus-registry-remove-article-mark? + (gnus-message 9 "Applying mark %s to %d articles" + mark (length articles)) + (dolist (article articles) + (gnus-summary-update-article + article + (assoc article (gnus-data-list nil)))))) + +;; This is ugly code, but I don't know how to do it better. (defun gnus-registry-install-shortcuts () "Install the keyboard shortcuts and menus for the registry. Uses `gnus-registry-marks' to find what shortcuts to install." @@ -841,69 +918,41 @@ Uses `gnus-registry-marks' to find what shortcuts to install." (let ((function-format (format "gnus-registry-%%s-article-%s-mark" mark))) -;;; The following generates these functions: -;;; (defun gnus-registry-set-article-Important-mark (&rest articles) -;;; "Apply the Important mark to process-marked ARTICLES." -;;; (interactive (gnus-summary-work-articles current-prefix-arg)) -;;; (gnus-registry-set-article-mark-internal 'Important articles nil t)) -;;; (defun gnus-registry-remove-article-Important-mark (&rest articles) -;;; "Apply the Important mark to process-marked ARTICLES." -;;; (interactive (gnus-summary-work-articles current-prefix-arg)) -;;; (gnus-registry-set-article-mark-internal 'Important articles t t)) +;;; The following generates these functions: +;;; (defun gnus-registry-set-article-Important-mark (&rest articles) +;;; "Apply the Important mark to process-marked ARTICLES." +;;; (interactive (gnus-summary-work-articles current-prefix-arg)) +;;; (gnus-registry-set-article-mark-internal 'Important articles nil t)) +;;; (defun gnus-registry-remove-article-Important-mark (&rest articles) +;;; "Apply the Important mark to process-marked ARTICLES." +;;; (interactive (gnus-summary-work-articles current-prefix-arg)) +;;; (gnus-registry-set-article-mark-internal 'Important articles t t)) (dolist (remove '(t nil)) (let* ((variant-name (if remove "remove" "set")) - (function-name (format function-format variant-name)) - (shortcut (format "%c" data)) - (shortcut (if remove (upcase shortcut) shortcut))) - (unintern function-name obarray) - (eval - `(defun - ;; function name - ,(intern function-name) - ;; parameter definition - (&rest articles) - ;; documentation - ,(format - "%s the %s mark over process-marked ARTICLES." - (upcase-initials variant-name) - mark) - ;; interactive definition - (interactive - (gnus-summary-work-articles current-prefix-arg)) - ;; actual code - - ;; if this is called and the user doesn't want the - ;; registry enabled, we'll ask anyhow - (unless gnus-registry-install - (let ((gnus-registry-install 'ask)) - (gnus-registry-install-p))) - - ;; now the user is asked if gnus-registry-install is 'ask - (when (gnus-registry-install-p) - (gnus-registry-set-article-mark-internal - ;; all this just to get the mark, I must be doing it wrong - (intern ,(symbol-name mark)) - articles ,remove t) - (gnus-message - 9 - "Applying mark %s to %d articles" - ,(symbol-name mark) (length articles)) - (dolist (article articles) - (gnus-summary-update-article - article - (assoc article (gnus-data-list nil))))))) - (push (intern function-name) keys-plist) + (function-name + (intern (format function-format variant-name))) + (shortcut (format "%c" (if remove (upcase data) data)))) + (defalias function-name + ;; If it weren't for the function's docstring, we could + ;; use a closure, with lexical-let :-( + `(lambda (&rest articles) + ,(format + "%s the %s mark over process-marked ARTICLES." + (upcase-initials variant-name) + mark) + (interactive + (gnus-summary-work-articles current-prefix-arg)) + (gnus-registry--set/remove-mark ',mark ',remove articles))) + (push function-name keys-plist) (push shortcut keys-plist) (push (vector (format "%s %s" (upcase-initials variant-name) (symbol-name mark)) - (intern function-name) t) + function-name t) gnus-registry-misc-menus) - (gnus-message - 9 - "Defined mark handling function %s" - function-name)))))) + (gnus-message 9 "Defined mark handling function %s" + function-name)))))) (gnus-define-keys-1 '(gnus-registry-mark-map "M" gnus-summary-mark-map) keys-plist) @@ -923,7 +972,7 @@ Uses `gnus-registry-marks' to find what shortcuts to install." ;; use like this: ;; (defalias 'gnus-user-format-function-M 'gnus-registry-article-marks-to-chars) (defun gnus-registry-article-marks-to-chars (headers) - "Show the marks for an article by the :char property" + "Show the marks for an article by the :char property." (let* ((id (mail-header-message-id headers)) (marks (when id (gnus-registry-get-id-key id 'mark)))) (mapconcat (lambda (mark) @@ -936,7 +985,7 @@ Uses `gnus-registry-marks' to find what shortcuts to install." ;; use like this: ;; (defalias 'gnus-user-format-function-M 'gnus-registry-article-marks-to-names) (defun gnus-registry-article-marks-to-names (headers) - "Show the marks for an article by name" + "Show the marks for an article by name." (let* ((id (mail-header-message-id headers)) (marks (when id (gnus-registry-get-id-key id 'mark)))) (mapconcat (lambda (mark) (symbol-name mark)) marks ","))) @@ -987,7 +1036,7 @@ only the last one's marks are returned." (let* ((article (last articles)) (id (gnus-registry-fetch-message-id-fast article)) (marks (when id (gnus-registry-get-id-key id 'mark)))) - (when (interactive-p) + (when (gmm-called-interactively-p 'any) (gnus-message 1 "Marks are %S" marks)) marks)) @@ -1025,7 +1074,8 @@ only the last one's marks are returned." "Just like `registry-insert' but tries to prune on error." (when (registry-full db) (message "Trying to prune the registry because it's full") - (registry-prune db)) + (registry-prune + db gnus-registry-default-sort-function)) (registry-insert db id entry) entry) @@ -1054,7 +1104,6 @@ only the last one's marks are returned." (setq entry (car-safe old) old (cdr-safe old)) (let* ((id (car-safe entry)) - (new-entry (gnus-registry-get-or-make-entry id)) (rest (cdr-safe entry)) (groups (loop for p in rest when (stringp p) @@ -1076,88 +1125,16 @@ only the last one's marks are returned." (gnus-registry-set-id-key id key val)))) (message "Import done, collected %d entries" count)))) -(ert-deftest gnus-registry-misc-test () - (should-error (gnus-registry-extract-addresses '("" ""))) - - (should (equal '("Ted Zlatanov " - "noname " - "noname " - "noname ") - (gnus-registry-extract-addresses - (concat "Ted Zlatanov , " - "ed , " ; "ed" is not a valid name here - "cyd@stupidchicken.com, " - "tzz@lifelogs.com"))))) - -(ert-deftest gnus-registry-usage-test () - (let* ((n 100) - (tempfile (make-temp-file "gnus-registry-persist")) - (db (gnus-registry-make-db tempfile)) - (gnus-registry-db db) - back size) - (message "Adding %d keys to the test Gnus registry" n) - (dotimes (i n) - (let ((id (number-to-string i))) - (gnus-registry-handle-action id - (if (>= 50 i) "fromgroup" nil) - "togroup" - (when (>= 70 i) - (format "subject %d" (mod i 10))) - (when (>= 80 i) - (format "sender %d" (mod i 10)))))) - (message "Testing Gnus registry size is %d" n) - (should (= n (registry-size db))) - (message "Looking up individual keys (registry-lookup)") - (should (equal (loop for e - in (mapcar 'cadr - (registry-lookup db '("20" "83" "72"))) - collect (assq 'subject e) - collect (assq 'sender e) - collect (assq 'group e)) - '((subject "subject 0") (sender "sender 0") (group "togroup") - (subject) (sender) (group "togroup") - (subject) (sender "sender 2") (group "togroup")))) - - (message "Looking up individual keys (gnus-registry-id-key)") - (should (equal (gnus-registry-get-id-key "34" 'group) '("togroup"))) - (should (equal (gnus-registry-get-id-key "34" 'subject) '("subject 4"))) - (message "Trying to insert a duplicate key") - (should-error (gnus-registry-insert db "55" '())) - (message "Looking up individual keys (gnus-registry-get-or-make-entry)") - (should (gnus-registry-get-or-make-entry "22")) - (message "Saving the Gnus registry to %s" tempfile) - (should (gnus-registry-save tempfile db)) - (setq size (nth 7 (file-attributes tempfile))) - (message "Saving the Gnus registry to %s: size %d" tempfile size) - (should (< 0 size)) - (with-temp-buffer - (insert-file-contents-literally tempfile) - (should (looking-at (concat ";; Object " - "Gnus Registry" - "\n;; EIEIO PERSISTENT OBJECT")))) - (message "Reading Gnus registry back") - (setq back (eieio-persistent-read tempfile)) - (should back) - (message "Read Gnus registry back: %d keys, expected %d==%d" - (registry-size back) n (registry-size db)) - (should (= (registry-size back) n)) - (should (= (registry-size back) (registry-size db))) - (delete-file tempfile) - (message "Pruning Gnus registry to 0 by setting :max-soft") - (oset db :max-soft 0) - (registry-prune db) - (should (= (registry-size db) 0))) - (message "Done with Gnus registry usage testing.")) - ;;;###autoload (defun gnus-registry-initialize () -"Initialize the Gnus registry." + "Initialize the Gnus registry." (interactive) (gnus-message 5 "Initializing the registry") (gnus-registry-install-hooks) (gnus-registry-install-shortcuts) - (gnus-registry-read)) + (gnus-registry-load)) +;; FIXME: Why autoload this function? ;;;###autoload (defun gnus-registry-install-hooks () "Install the registry hooks." @@ -1169,7 +1146,7 @@ only the last one's marks are returned." (add-hook 'nnmail-spool-hook 'gnus-registry-spool-action) (add-hook 'gnus-save-newsrc-hook 'gnus-registry-save) - (add-hook 'gnus-read-newsrc-el-hook 'gnus-registry-read) + (add-hook 'gnus-read-newsrc-el-hook 'gnus-registry-load) (add-hook 'gnus-summary-prepare-hook 'gnus-registry-register-message-ids)) @@ -1182,7 +1159,7 @@ only the last one's marks are returned." (remove-hook 'nnmail-spool-hook 'gnus-registry-spool-action) (remove-hook 'gnus-save-newsrc-hook 'gnus-registry-save) - (remove-hook 'gnus-read-newsrc-el-hook 'gnus-registry-read) + (remove-hook 'gnus-read-newsrc-el-hook 'gnus-registry-load) (remove-hook 'gnus-summary-prepare-hook 'gnus-registry-register-message-ids) (setq gnus-registry-enabled nil)) @@ -1190,9 +1167,9 @@ only the last one's marks are returned." (add-hook 'gnus-registry-unload-hook 'gnus-registry-unload-hook) (defun gnus-registry-install-p () - "If the registry is not already enabled, and `gnus-registry-install' is t, -the registry is enabled. If `gnus-registry-install' is `ask', -the user is asked first. Returns non-nil iff the registry is enabled." + "Return non-nil if the registry is enabled (and maybe enable it first). +If the registry is not already enabled, then if `gnus-registry-install' +is `ask', ask the user; or if `gnus-registry-install' is non-nil, enable it." (interactive) (unless gnus-registry-enabled (when (if (eq gnus-registry-install 'ask) @@ -1204,6 +1181,76 @@ the user is asked first. Returns non-nil iff the registry is enabled." (gnus-registry-initialize))) gnus-registry-enabled) +;; largely based on nnir-warp-to-article +(defun gnus-try-warping-via-registry () + "Try to warp via the registry. +This will be done via the current article's source group based on +data stored in the registry." + (interactive) + (when (gnus-summary-article-header) + (let* ((message-id (mail-header-id (gnus-summary-article-header))) + ;; Retrieve the message's group(s) from the registry + (groups (gnus-registry-get-id-key message-id 'group)) + ;; If starting from an ephemeral group, this describes + ;; how to restore the window configuration + (quit-config + (gnus-ephemeral-group-p gnus-newsgroup-name)) + (seen-groups (list (gnus-group-group-name)))) + + (catch 'found + (dolist (group (mapcar 'gnus-simplify-group-name groups)) + + ;; skip over any groups we really don't want to warp to. + (unless (or (member group seen-groups) + (gnus-ephemeral-group-p group) ;; any ephemeral group + (memq (car (gnus-find-method-for-group group)) + ;; Specific methods; this list may need to expand. + '(nnir))) + + ;; remember that we've seen this group already + (push group seen-groups) + + ;; first exit from any ephemeral summary buffer. + (when quit-config + (gnus-summary-exit) + ;; and if the ephemeral summary buffer in turn came from + ;; another summary buffer we have to clean that summary + ;; up too. + (when (eq (cdr quit-config) 'summary) + (gnus-summary-exit)) + ;; remember that we've already done this part + (setq quit-config nil)) + + ;; Try to activate the group. If that fails, just move + ;; along. We may have more groups to work with + (when + (ignore-errors + (gnus-select-group-with-message-id group message-id) t) + (throw 'found t)))))))) + +(defun gnus-registry-remove-extra-data (extra) + "Remove tracked EXTRA data from the gnus registry. +EXTRA is a list of symbols. Valid symbols are those contained in +the docs of `gnus-registry-track-extra'. This command is useful +when you stop tracking some extra data and now want to purge it +from your existing entries." + (interactive (list (mapcar 'intern + (completing-read-multiple + "Extra data: " + '("subject" "sender" "recipient"))))) + (when extra + (let ((db gnus-registry-db)) + (registry-reindex db) + (loop for k being the hash-keys of (oref db data) + using (hash-value v) + do (let ((newv (delq nil (mapcar #'(lambda (entry) + (unless (member (car entry) extra) + entry)) + v)))) + (registry-delete db (list k) nil) + (gnus-registry-insert db k newv))) + (registry-reindex db)))) + ;; TODO: a few things (provide 'gnus-registry)