-;;; gnus-namazu.el --- Search mail with Namazu.
+;;; gnus-namazu.el --- Search mail with Namazu. -*- coding: iso-2022-7bit; -*-
-;; Copyright (C) 2000,2001 Tsuchiya Masatoshi <tsuchiya@namazu.org>
+;; Copyright (C) 2000,2001,2002 TSUCHIYA Masatoshi <tsuchiya@namazu.org>
-;; Author: Tsuchiya Masatoshi <tsuchiya@namazu.org>
+;; Author: TSUCHIYA Masatoshi <tsuchiya@namazu.org>
;; Keywords: mail searching namazu
-;;; Copyright:
-
;; This file is a part of Semi-Gnus.
;; This program is free software; you can redistribute it and/or modify
;;; Commentary:
-;; This file defines the command to search mails with Namazu and
-;; browse its results with Gnus. This module requires the external
-;; command Namazu. Visit the following page for more information.
+;; This file defines the command to search mails and persistent
+;; articles with Namazu and browse its results with Gnus. This module
+;; requires the external command, Namazu. Visit the following page
+;; for more information.
;;
;; http://namazu.org/
;; Make index of articles with Namzu before using this module.
;;
;; % mkdir ~/News/namazu
-;; % mknmz -a -h -O ~/News/namazu ~/Mail
+;; % mknmz -a -h -O ~/News/namazu ~/Mail ~/News/cache
+;;
+;; The first command makes the directory for index files, and the
+;; second command generates index files of mails and persistent
+;; articles.
;;
;; When you put index files of Namazu into the directory other than
;; the default one (~/News/namazu), it is necessary to put this
:type 'boolean
:group 'gnus-namazu)
+(defcustom gnus-namazu-query-highlight t
+ "Non-nil means that queried words is highlighted."
+ :type 'boolean
+ :group 'gnus-namazu)
+
+(defface gnus-namazu-query-highlight-face
+ '((((type tty pc) (class color))
+ (:background "magenta4" :foreground "cyan1"))
+ (((class color) (background light))
+ (:background "magenta4" :foreground "lightskyblue1"))
+ (((class color) (background dark))
+ (:background "palevioletred2" :foreground "brown4"))
+ (t (:inverse-video t)))
+ "Face used for namazu query matching words."
+ :group 'gnus-namazu)
;;; Internal Variable:
-(defvar gnus-namazu/group-alist nil
- "Associative list to map groups in lower case to official names.")
(defconst gnus-namazu/group-name-regexp "\\`nnvirtual:namazu-search\\?")
+;; Multibyte group name:
+(and
+ (fboundp 'gnus-group-decoded-name)
+ (let ((gnus-group-name-charset-group-alist
+ (list (cons gnus-namazu/group-name-regexp gnus-namazu-coding-system)))
+ (query (decode-coding-string
+ (string 27 36 66 52 65 59 122 27 40 66)
+ (if (boundp 'MULE) '*iso-2022-jp* 'iso-2022-7bit))))
+ (not (string-match query
+ (gnus-summary-buffer-name
+ (encode-coding-string
+ (concat "nnvirtual:namazu-search?query=" query)
+ gnus-namazu-coding-system)))))
+ (let (current-load-list)
+ (defadvice gnus-summary-buffer-name
+ (before gnus-namazu-summary-buffer-name activate compile)
+ "Advised by `gnus-namazu' to handle encoded group names."
+ (ad-set-arg 0 (gnus-group-decoded-name (ad-get-arg 0))))))
(defmacro gnus-namazu/make-article (group number)
`(cons ,group ,number))
(gnus-servers-using-backend 'nnmh)))
(defun gnus-namazu/setup ()
- (add-to-list 'gnus-group-name-charset-group-alist
- (cons gnus-namazu/group-name-regexp gnus-namazu-coding-system))
- (unless gnus-namazu-case-sensitive-filesystem
- ;; FIXME: The alist to map group names in lower case to real names
- ;; is reconstructed every when gnus-namazu/setup() is called.
- ;; This reconstruction make gnus-namazu-search() slow.
- (setq gnus-namazu/group-alist nil)
- (dolist (server (gnus-namazu/indexed-servers))
- (dolist (group (gnus-namazu/request-list server))
- (let ((name (gnus-group-prefixed-name group server)))
- (unless (assoc name gnus-namazu/group-alist)
- (push (cons (downcase name) name) gnus-namazu/group-alist)))))))
-
-(defun gnus-namazu/shutdown ()
- (setq gnus-namazu/group-alist nil))
-(add-hook 'gnus-exit-gnus-hook 'gnus-namazu/shutdown)
+ (and (boundp 'gnus-group-name-charset-group-alist)
+ (not (member (cons gnus-namazu/group-name-regexp
+ gnus-namazu-coding-system)
+ gnus-group-name-charset-group-alist))
+ (let ((pair (assoc gnus-namazu/group-name-regexp
+ gnus-group-name-charset-group-alist)))
+ (if pair
+ (setcdr pair gnus-namazu-coding-system)
+ (push (cons gnus-namazu/group-name-regexp
+ gnus-namazu-coding-system)
+ gnus-group-name-charset-group-alist)))))
(defun gnus-namazu/request-list (server)
"Return groups of the server SERVER."
"Return the whole name from GROUP and METHOD."
(if gnus-namazu-case-sensitive-filesystem
(gnus-group-prefixed-name group method)
- (let ((name (gnus-group-prefixed-name group method)))
- (or (cdr (assoc (downcase name) gnus-namazu/group-alist))
- name))))
+ (let* ((orig (gnus-group-prefixed-name group method))
+ (name (downcase orig)))
+ (catch 'found-group
+ (mapatoms (lambda (sym)
+ (when (string= name (downcase (symbol-name sym)))
+ (throw 'found-group (symbol-name sym))))
+ gnus-newsrc-hashtb)
+ orig))))
+
+(defun gnus-namazu/check-cache-group (str)
+ "Get the news group from the partial path STR of the cached article."
+ (if (gnus-use-long-file-name 'not-cache)
+ str
+ (catch 'found-group
+ (dolist (group (gnus-namazu/cache-group-candidates
+ (nnheader-replace-chars-in-string str ?/ ?.)))
+ (when (gnus-gethash group gnus-newsrc-hashtb)
+ (throw 'found-group group))))))
+
+(defun gnus-namazu/cache-group-candidates (str)
+ "Regard the string STR as the partial path of the cached article and
+generate possible group names from it."
+ (if (string-match "_\\(_\\(_\\)?\\)?" str)
+ (let ((prefix (substring str 0 (match-beginning 0)))
+ (suffix (substring str (match-end 0))))
+ (cond
+ ((match-beginning 2) ;; The number of discoverd underscores = 3
+ (nconc
+ (gnus-namazu/cache-group-candidates (concat prefix "/__" suffix))
+ (gnus-namazu/cache-group-candidates (concat prefix ".._" suffix))))
+ ((match-beginning 1) ;; The number of discoverd underscores = 2
+ (nconc
+ (gnus-namazu/cache-group-candidates (concat prefix "//" suffix))
+ (gnus-namazu/cache-group-candidates (concat prefix ".." suffix))))
+ (t ;; The number of discoverd underscores = 1
+ (gnus-namazu/cache-group-candidates (concat prefix "/" suffix)))))
+ (if (string-match "\\." str)
+ ;; Handle the first occurence of period.
+ (list (concat (substring str 0 (match-beginning 0))
+ ":"
+ (substring str (match-end 0)))
+ str)
+ (list str))))
(defun gnus-namazu/search (groups query)
(with-temp-buffer
(when (setq dir (gnus-namazu/server-directory s))
(cons (file-name-as-directory dir) s)))
(gnus-namazu/indexed-servers)))))
- (topdir-regexp (regexp-opt (mapcar 'car server-alist))))
+ (topdir-regexp (regexp-opt (mapcar 'car server-alist)))
+ (cache-regexp (concat
+ (regexp-quote
+ (file-name-as-directory
+ (expand-file-name gnus-cache-directory)))
+ "\\(.*\\)/\\([0-9]+\\)$")))
(gnus-namazu/normalize-results)
(goto-char (point-min))
(while (not (eobp))
(let (server group file)
- (and (looking-at topdir-regexp)
- ;; Check a discovered file is managed by Gnus servers.
- (setq file (buffer-substring-no-properties
- (match-end 0) (gnus-point-at-eol))
- server (cdr (assoc (match-string-no-properties 0)
- server-alist)))
- ;; Check validity of the file name.
- (string-match "/\\([0-9]+\\)\\'" file)
- (progn
- (setq group (substring file 0 (match-beginning 0))
- file (match-string 1 file))
- (setq group
- (gnus-namazu/group-prefixed-name
- (nnheader-replace-chars-in-string group ?/ ?.)
- server))
- (when (or (not groups)
- (member group groups))
- (push (gnus-namazu/make-article
- group (string-to-number file))
- articles)))))
+ (and (or
+ ;; Check the discoverd file is the persistent article.
+ (and (looking-at cache-regexp)
+ (setq file (match-string-no-properties 2)
+ group (gnus-namazu/check-cache-group
+ (match-string-no-properties 1))))
+ ;; Check the discovered file is managed by Gnus servers.
+ (and (looking-at topdir-regexp)
+ (setq file (buffer-substring-no-properties
+ (match-end 0) (gnus-point-at-eol))
+ server (cdr (assoc (match-string-no-properties 0)
+ server-alist)))
+ ;; Check validity of the file name.
+ (string-match "/\\([0-9]+\\)\\'" file)
+ (progn
+ (setq group (substring file 0 (match-beginning 0))
+ file (match-string 1 file))
+ (setq group
+ (gnus-namazu/group-prefixed-name
+ (nnheader-replace-chars-in-string group ?/ ?.)
+ server)))))
+ (or (not groups)
+ (member group groups))
+ (push (gnus-namazu/make-article group (string-to-number file))
+ articles)))
(forward-line 1))
(nreverse articles)))))
;; In Summary buffer.
(if current-prefix-arg
(list (gnus-read-group "Group: "))
- (if (and (gnus-ephemeral-group-p gnus-newsgroup-name)
- (string-match gnus-namazu/group-name-regexp gnus-newsgroup-name))
+ (if (and
+ (gnus-ephemeral-group-p gnus-newsgroup-name)
+ (string-match gnus-namazu/group-name-regexp gnus-newsgroup-name))
(cadr (assq 'gnus-namazu-target-groups
(gnus-info-method (gnus-get-info gnus-newsgroup-name))))
(list gnus-newsgroup-name))))))
(interactive)
(let ((pos (point)))
(cond
- ((and (re-search-backward "\\+\\([a-z]*\\)" nil t)
+ ((and (re-search-backward "\\+\\([-a-z]*\\)" nil t)
(= pos (match-end 0)))
(let* ((partial (match-string 1))
(completions
(read-from-minibuffer prompt initial gnus-namazu/read-query-map nil
'gnus-namazu/read-query-history)))
+(defun gnus-namazu/highlight-words (query)
+ (with-temp-buffer
+ (insert " " query)
+ ;; Remove tokens for NOT search
+ (goto-char (point-min))
+ (while (re-search-forward "[\e$B!!\e(B \t\r\f\n]+not[\e$B!!\e(B \t\r\f\n]+\
+\\([^\e$B!!\e(B \t\r\f\n\"{(/]+\\|\"[^\"]+\"\\|{[^}]+}\\|([^)]+)\\|/[^/]+/\\)+" nil t)
+ (delete-region (match-beginning 0) (match-end 0)))
+ ;; Remove tokens for Field search
+ (goto-char (point-min))
+ (while (re-search-forward "[\e$B!!\e(B \t\r\f\n]+\\+[^\e$B!!\e(B \t\r\f\n:]+:\
+\\([^\e$B!!\e(B \t\r\f\n\"{(/]+\\|\"[^\"]+\"\\|{[^}]+}\\|([^)]+)\\|/[^/]+/\\)+" nil t)
+ (delete-region (match-beginning 0) (match-end 0)))
+ ;; Remove tokens for Regexp search
+ (goto-char (point-min))
+ (while (re-search-forward "/[^/]+/" nil t)
+ (delete-region (match-beginning 0) (match-end 0)))
+ ;; Remove brackets, double quote, asterisk and operators
+ (goto-char (point-min))
+ (while (re-search-forward "\\([(){}\"*]\\|\\b\\(and\\|or\\)\\b\\)" nil t)
+ (delete-region (match-beginning 0) (match-end 0)))
+ ;; Collect all keywords
+ (setq query nil)
+ (goto-char (point-min))
+ (while (re-search-forward "[^\e$B!!\e(B \t\r\f\n]+" nil t)
+ (push (match-string 0) query))
+ (when query
+ (list (list (regexp-opt query)
+ 0 0 'gnus-namazu-query-highlight-face)))))
+
(defun gnus-namazu/truncate-article-list (articles)
(let ((hit (length articles)))
- (when (> hit gnus-large-newsgroup)
+ (when (and gnus-large-newsgroup
+ (> hit gnus-large-newsgroup))
(let* ((cursor-in-echo-area nil)
- (input
- (when (> hit gnus-large-newsgroup)
- (read-from-minibuffer
- (format
- "Too many articles were retrieved. How many articles (max %d): "
- hit)
- (cons (number-to-string gnus-large-newsgroup) 0)))))
+ (input (read-from-minibuffer
+ (format "\
+Too many articles were retrieved. How many articles (max %d): "
+ hit)
+ (cons (number-to-string gnus-large-newsgroup) 0))))
(unless (string-match "\\`[ \t]*\\'" input)
(setcdr (nthcdr (min (1- (string-to-number input)) hit) articles)
- nil))))
- articles))
+ nil)))))
+ articles)
;;;###autoload
(defun gnus-namazu-search (groups query)
(dolist (a articles)
(add-to-list 'real-groups (gnus-namazu/article-group a))))
;; Generate virtual group which includes all results.
+ (when (fboundp 'gnus-group-decoded-name)
+ (setq vgroup
+ (encode-coding-string vgroup gnus-namazu-coding-system)))
(setq vgroup
(gnus-group-read-ephemeral-group
vgroup
(gnus-namazu-target-groups ,groups)
(gnus-namazu-current-query ,query))
t (cons (current-buffer) (current-window-configuration)) t))
+ (when gnus-namazu-query-highlight
+ (gnus-group-set-parameter vgroup 'highlight-words
+ (gnus-namazu/highlight-words query)))
;; Generate new summary buffer which contains search results.
(gnus-group-read-group
t t vgroup
'<)))
(message "No entry."))))
+(let (current-load-list)
+ (defadvice gnus-offer-save-summaries
+ (before gnus-namazu-kill-summary-buffers activate compile)
+ "Advised by `gnus-namazu'.
+In order to avoid annoying questions, kill summary buffers which
+generated by `gnus-namazu' itself before `gnus-offer-save-summaries'
+is called."
+ (let ((buffers (buffer-list)))
+ (while buffers
+ (when (with-current-buffer (car buffers)
+ (and (eq major-mode 'gnus-summary-mode)
+ (gnus-ephemeral-group-p gnus-newsgroup-name)
+ (string-match gnus-namazu/group-name-regexp
+ gnus-newsgroup-name)))
+ (kill-buffer (car buffers)))
+ (setq buffers (cdr buffers))))))
+
(defun gnus-namazu-insinuate ()
(add-hook
'gnus-group-mode-hook
projects / elisp / gnus.git- / blobdiff