;;; gnus-namazu.el --- Search mail with Namazu.
-;; 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
(or (cdr (assoc (downcase name) gnus-namazu/group-alist))
name))))
+(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
(let ((exit-status (gnus-namazu/call-namazu query)))
(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))))))
(read-from-minibuffer prompt initial gnus-namazu/read-query-map nil
'gnus-namazu/read-query-history)))
+(defun gnus-namazu/highlight-words (query)
+ (let ((strings)
+ (start 0))
+ (while (string-match
+ "[ \t\r\f\n]*\\(\\(and\\|or\\|\\(not\\)\\)[ \t\r\f\n]+\\)?\
+\\(\\+[^ \t\r\f\n]+:\\)?\\(/\\([^/]+\\)/\\|\\(\"\\([^\"]+\\)\"\\|\
+{\\([^{}]+\\)}\\)\\|[^ \t\r\f\n]+\\)" query start)
+ (setq start (match-end 0))
+ (or (match-beginning 3) ; NOT search
+ (match-beginning 4) ; Field search
+ (match-beginning 6) ; Regular expression search
+ (if (match-beginning 7) ; Phrase search
+ (dolist (str (split-string
+ (if (match-beginning 8)
+ (match-string 8 query)
+ (match-string 9 query))))
+ (when (> (length str) 0)
+ (push str strings)))
+ (push (match-string 5 query) strings))))
+ (and strings
+ (list
+ (list
+ (regexp-opt (mapcar
+ (lambda (str)
+ (if (string-match "\\`\\*?\\([^\\*]*\\)\\*?\\'" str)
+ (match-string 1 str) str))
+ strings))
+ 0 0 'gnus-namazu-query-highlight-face)))))
+
(defun gnus-namazu/truncate-article-list (articles)
(let ((hit (length articles)))
(when (> hit gnus-large-newsgroup)
(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