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;;; ndnmz.el --- Lookup Namazu interface -*-coding: euc-japan;-*-
;; Copyright (C) 1999 Lookup Development Team <lookup@ring.gr.jp>
;; Author: TSUCHIYA Masatoshi <tsuchiya@pine.kuee.kyoto-u.ac.jp>
;; Version: $Id: ndnmz.el,v 1.1.1.1 2001/11/28 18:32:41 kazuhiko Exp $
;; This file is part of Lookup.
;; Lookup is free software; you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2 of the License, or
;; (at your option) any later version.
;; Lookup is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with Lookup; if not, write to the Free Software Foundation,
;; Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
;;; Code:
(require 'eword-decode)
(require 'lookup-vars)
(defgroup ndnmz nil
"Lookup Namazu interface."
:group 'lookup-agents)
(defcustom ndnmz-program-name "namazu"
"*ץ(namazu)̾"
:type 'string
:group 'ndnmz)
(defcustom ndnmz-program-options '("-aS")
"*ץ(namazu)ΥץΥꥹ"
:type 'list
:group 'ndnmz)
(defcustom ndnmz-subject-limit 3000
"*ɽõ"
:type 'integer
:group 'ndnmz)
(defcustom ndnmz-mail-headers '("From" "To" "Cc" "Reply-To" "Subject" "Date")
"*ʸȶɽإåΥꥹ"
:type 'list
:group 'ndnmz)
(defcustom ndnmz-process-coding-system lookup-process-coding-system
"*Condig system used for Namazu process."
:type 'symbol
:group 'ndnmz)
(defcustom ndnmz-default-file-coding-system
(if (>= emacs-major-version 20) 'undecided *autoconv*)
"*Condig system used for Namazu files."
:type 'symbol
:group 'ndnmz)
(defvar ndnmz-backend-coding-system
(if (>= emacs-major-version 20) 'raw-text *noconv*)
"Coding system used in file backends of Namazu.")
(defvar ndnmz-temp-buffer nil "ȤκѥХåե")
(defun ndnmz-agent-recursive-p (agent)
"֥ǥ쥯ȥ˴ޤޤե⸡뤫ɤĴ٤ؿ"
(or (lookup-agent-option agent 'recursive) t))
(defun ndnmz-search-subdirectories (directory)
"ꤵ줿ǥ쥯ȥʲǺեޤǥ쥯ȥ֤ؿ"
(delq nil (apply 'nconc
(mapcar (lambda (file)
(cond
((file-directory-p file)
(ndnmz-search-subdirectories file))
((string= "NMZ.i" (file-name-nondirectory file))
(list (directory-file-name (file-name-directory file))))))
(directory-files directory t "[^\\.]")))))
(put 'ndnmz 'setup 'ndnmz-agent-setup)
(defun ndnmz-agent-setup (agent)
"Ȥؿ"
(let ((directory (directory-file-name
(expand-file-name (lookup-agent-location agent)))))
(mapcar (lambda (dir)
(lookup-make-dictionary agent dir (file-name-nondirectory dir) (file-name-nondirectory dir)))
(if (ndnmz-agent-recursive-p agent)
(ndnmz-search-subdirectories directory)
(list directory)))))
(put 'ndnmz 'clear 'ndnmz-agent-clear)
(defun ndnmz-agent-clear (agent)
"Ȥλؿ"
(when (and (bufferp ndnmz-temp-buffer)
(buffer-name ndnmz-temp-buffer))
(kill-buffer ndnmz-temp-buffer)
(setq ndnmz-temp-buffer nil)))
(defun ndnmz-generate-temp-buffer ()
"ѥХåեؿ"
(unless (buffer-live-p ndnmz-temp-buffer)
(setq ndnmz-temp-buffer (generate-new-buffer " *ndnmz*")
lookup-buffer-list (cons ndnmz-temp-buffer lookup-buffer-list))
(buffer-disable-undo ndnmz-temp-buffer))
ndnmz-temp-buffer)
(put 'ndnmz-with-temp-buffer 'lisp-indent-function 0)
(defmacro ndnmz-with-temp-buffer (&rest body)
"ХåեȥХåեȤ body ¹ԤθХåեݽޥ"
(` (let ((original-buffer (current-buffer)))
(unwind-protect
(progn
(set-buffer (ndnmz-generate-temp-buffer))
(unwind-protect
(progn (,@ body))
(delete-region (point-min) (point-max))))
(set-buffer original-buffer)))))
(defsubst ndnmz-dictionary-type (dictionary)
"оݤΥեꤹ륪ץĴ٤ؿ"
(lookup-dictionary-option dictionary ':type t))
(defsubst ndnmz-dictionary-coding-system (dictionary)
"оݤΥեδɤꤹ륪ץĴ٤ؿ"
(or (lookup-dictionary-option dictionary ':coding-system t)
ndnmz-default-file-coding-system))
(defun ndnmz-header-value (header)
(let ((point (point))
(data (match-data))
(case-fold-search t))
(unwind-protect
(progn
(goto-char (point-min))
(if (search-forward (concat "\n" header ": ") nil t)
(eword-decode-string (buffer-substring (point) (point-at-eol)))))
(goto-char point)
(set-match-data data))))
(defun ndnmz-get-mail-subject (file)
"ꤵ줿ե뤫 Subject Фؿ"
(ndnmz-with-temp-buffer
(lookup-with-coding-system ndnmz-backend-coding-system
(insert-file-contents file nil 0 ndnmz-subject-limit))
(or (ndnmz-header-value "subject") "(none)")))
(put 'ndnmz 'search 'ndnmz-search-dictionary)
(defun ndnmz-search-dictionary (dictionary query)
"ꤵ줿ؿ"
(let (files headings entries)
(ndnmz-with-temp-buffer
(lookup-with-coding-system ndnmz-process-coding-system
(apply 'call-process
ndnmz-program-name nil t nil
(append ndnmz-program-options
(list (lookup-query-string query)
(lookup-dictionary-code dictionary)))))
(goto-char (point-min))
(while (not (eobp))
(setq files (cons (buffer-substring (point) (point-at-eol)) files))
(forward-line 1)))
(setq headings (mapcar (if (eq (ndnmz-dictionary-type dictionary) 'mail)
'ndnmz-get-mail-subject
'file-name-nondirectory)
files))
(while files
(setq entries (cons (lookup-make-entry dictionary (car files) (car headings)) entries)
files (cdr files)
headings (cdr headings)))
entries))
(put 'ndnmz 'content 'ndnmz-dictionary-content)
(defun ndnmz-dictionary-content (dictionary entry)
(ndnmz-with-temp-buffer
(lookup-with-coding-system (ndnmz-dictionary-coding-system dictionary)
(insert-file-contents (lookup-entry-code entry)))
(buffer-substring (point-min) (point-max))))
(defun ndnmz-arrange-default (entry)
(let ((type (ndnmz-dictionary-type (lookup-entry-dictionary entry)))
(case-fold-search t))
(cond
((eq type 'plain) (lookup-arrange-default-headings entry))
((eq type 'mail) (ndnmz-arrange-mail entry))
;; auto detect
((looking-at "From \\|[a-z-]+: ") (ndnmz-arrange-mail entry))
(t (lookup-arrange-default-headings entry)))))
(defun ndnmz-arrange-mail (entry)
(save-restriction
(narrow-to-region (goto-char (point-min))
(progn (re-search-forward "^$" nil t) (point)))
(apply 'insert
(delq nil (prog1 (let (v)
(mapcar (lambda (s)
(if (setq v (ndnmz-header-value s))
(format "%s: %s\n" s v)))
ndnmz-mail-headers))
(delete-region (point-min) (point-max)))))))
(put 'ndnmz ':type 'auto)
(put 'ndnmz ':methods '(exact text))
(put 'ndnmz ':arranges '(ndnmz-arrange-default))
(put 'ndnmz ':adjusts '(lookup-adjust-goto-min))
(provide 'ndnmz)
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