/usr/share/emacs/site-lisp/w3m/w3m-namazu.el is in w3m-el 1.4.538+0.20141022-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 | ;;; w3m-namazu.el --- The add-on program to search files with Namazu.
;; Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2009
;; TSUCHIYA Masatoshi <tsuchiya@namazu.org>
;; Author: TSUCHIYA Masatoshi <tsuchiya@namazu.org>
;; Keywords: w3m, WWW, hypermedia, namazu
;; This file is a part of emacs-w3m.
;; This program 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, or (at your option)
;; any later version.
;; This program 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 this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; w3m-namazu.el is the add-on program of emacs-w3m to search files
;; with Namazu. For more detail about emacs-w3m, see:
;;
;; http://emacs-w3m.namazu.org/
;;; History:
;; Original program was posted by
;; Takayuki Arakawa <takayu@pop02.odn.ne.jp> in [emacs-w3m:01340] at
;; Jul 31, 2001.
;; Many codes are imported from namazu.el written by
;; Yukihiro Matsumoto <matz@netlab.co.jp> et al.
;; All stuffs are rewritten by
;; TSUCHIYA Masatoshi <tsuchiya@namazu.org> at Aug 2, 2001.
;;; Code:
(eval-when-compile
(require 'cl))
(require 'w3m)
(eval-and-compile
(autoload 'w3m-search-read-query "w3m-search"))
(defgroup w3m-namazu nil
"w3m-namazu front-end for Emacs."
:group 'w3m
:prefix "w3m-namazu-")
(defcustom w3m-namazu-command "namazu"
"*Name of the executable file of Namazu."
:group 'w3m-namazu
:type '(string :size 0))
(defcustom w3m-namazu-arguments
'("-h" ; print in HTML format.
"-H" ; print further result links.
"-n" w3m-namazu-page-max ; set number of documents shown to NUM.
"-w" whence) ; set first number of documents shown to NUM.
"*Arguments of Namazu."
:group 'w3m-namazu
:type '(repeat
(restricted-sexp :format "Argument: %v\n"
:match-alternatives
(stringp 'w3m-namazu-page-max 'whence)
:size 0)))
(defcustom w3m-namazu-page-max
(if (boundp 'namazu-search-num)
(symbol-value 'namazu-search-num)
30)
"*A maximum number of documents which are retrieved by one-time search."
:group 'w3m-namazu
:type '(integer :size 0))
(defconst w3m-namazu-default-index-customize-spec
'`(choice
(const :tag "No default index" nil)
,@(mapcar (lambda (x) (list 'const (car x)))
w3m-namazu-index-alist)
(directory :format "Index directory: %v\n" :size 0)))
(defcustom w3m-namazu-index-alist
(when (boundp 'namazu-dir-alist)
(mapcar (lambda (pair)
(cons (car pair)
(split-string (cdr pair))))
(symbol-value 'namazu-dir-alist)))
"*Alist of alias and index directories."
:group 'w3m-namazu
:type '(repeat
(group
:indent 0 :inline t
(cons :format "%v"
(string :format "Alias: %v\n" :size 0)
(repeat
:format "%v%i\n" :indent 8
(directory :format "Index directory: %v\n" :size 0)))))
:set (lambda (symbol value)
(custom-set-default symbol value)
(put 'w3m-namazu-default-index 'custom-type
(eval w3m-namazu-default-index-customize-spec))))
(defcustom w3m-namazu-default-index
(unless (and (boundp 'namazu-always-query-index-directory)
(symbol-value 'namazu-always-query-index-directory))
(when (boundp 'namazu-default-dir)
(symbol-value 'namazu-default-dir)))
"*Alias or directory of the default index.
If this variable equals nil, it is required to input an index path
whenever `w3m-namazu' is called interactively without prefix
argument."
:group 'w3m-namazu
:type (eval w3m-namazu-default-index-customize-spec))
(defcustom w3m-namazu-output-coding-system
(if (boundp 'namazu-cs-write)
(symbol-value 'namazu-cs-write)
(if (memq system-type '(OS/2 emx windows-nt))
'shift_jis-dos
'euc-japan-unix))
"*Coding system for namazu process."
:group 'w3m-namazu
:type '(coding-system :size 0))
(defcustom w3m-namazu-input-coding-system
(if (boundp 'namazu-cs-read)
(symbol-value 'namazu-cs-read)
'undecided)
"*Coding system for namazu process."
:group 'w3m-namazu
:type '(coding-system :size 0))
(defun w3m-namazu-call-process (index query whence)
(setq index (if (assoc index w3m-namazu-index-alist)
(mapcar 'expand-file-name
(cdr (assoc index w3m-namazu-index-alist)))
(list (expand-file-name index))))
(let ((file-name-coding-system w3m-file-name-coding-system)
(coding-system-for-read w3m-namazu-input-coding-system)
(coding-system-for-write w3m-namazu-output-coding-system)
(default-process-coding-system
(cons w3m-namazu-input-coding-system
w3m-namazu-output-coding-system)))
(apply 'call-process w3m-namazu-command nil t nil
(let ((w3m-namazu-page-max
(number-to-string w3m-namazu-page-max)))
(nconc (mapcar 'eval w3m-namazu-arguments)
(list query)
index)))))
;;;###autoload
(defun w3m-about-namazu (url &optional no-decode no-cache &rest args)
(let (index query (whence "0"))
(when (string-match "\\`about://namazu/\\?" url)
(dolist (s (split-string (substring url (match-end 0)) "&"))
(when (string-match "\\`\\(?:index\\|\\(query\\)\\|\\(whence\\)\\)=" s)
(set (cond
((match-beginning 1) 'query)
((match-beginning 2) 'whence)
(t 'index))
(substring s (match-end 0)))))
(when (zerop (w3m-namazu-call-process (w3m-url-decode-string index)
(w3m-url-decode-string query)
whence))
(let ((case-fold-search t))
(goto-char (point-min))
(let ((max (if (re-search-forward
"<!-- HIT -->\\([0-9]+\\)<!-- HIT -->" nil t)
(string-to-number (match-string 1))
0))
(cur (string-to-number whence)))
(goto-char (point-min))
(when (search-forward "<head>" nil t)
(when (> cur 0)
(insert
(format "
<link rel=\"prev\" href=\"about://namazu/?index=%s&query=%s&whence=%d\">"
index
query
(max (- cur w3m-namazu-page-max) 0))))
(when (> max (+ cur w3m-namazu-page-max))
(insert
(format "
<link rel=\"next\" href=\"about://namazu/?index=%s&query=%s&whence=%d\">"
index
query
(+ cur w3m-namazu-page-max))))))
(goto-char (point-min))
(while (search-forward "<a href=\"/" nil t)
(forward-char -1)
(insert "file://"))
(goto-char (point-min))
(while (re-search-forward "<a href=\"\\(\\?\\)&\\(?:amp;\\)?whence="
nil t)
(goto-char (match-beginning 1))
(delete-char 1)
(insert (format "about://namazu/?index=%s&query=%s" index query))))
"text/html"))))
(defun w3m-namazu-complete-index (index predicate flag)
"Function to complete index name"
(if (eq flag 'lambda)
(and (or (and (assoc index w3m-namazu-index-alist) t)
(file-directory-p index))
(or (not predicate)
(funcall predicate index)))
(let ((alist
(mapcar
'list
(nconc
(all-completions index w3m-namazu-index-alist)
(let ((partial (file-name-nondirectory index))
(dir (file-name-as-directory
(or (file-name-directory index)
default-directory))))
(delq nil
(mapcar
(lambda (file)
(when (file-directory-p (expand-file-name file dir))
(concat dir file)))
(file-name-all-completions partial dir))))))))
(cond
((not flag) (try-completion index alist predicate))
((eq flag t) (all-completions index alist predicate))))))
(defvar w3m-namazu-index-history nil)
(defvar w3m-namazu-query-history nil)
;;;###autoload
(defun w3m-namazu (index query &optional reload)
"Search indexed files with Namazu."
(interactive
(list
(if (if w3m-namazu-default-index
current-prefix-arg
(not (and current-prefix-arg
w3m-namazu-index-history)))
(let* ((default (or (car w3m-namazu-index-history)
w3m-namazu-default-index))
(s (completing-read
(if default
(format "Namazu index (default %s): " default)
"Namazu index: ")
'w3m-namazu-complete-index nil t nil
'w3m-namazu-index-history)))
(if (string= s "") default s))
(or w3m-namazu-default-index
(car w3m-namazu-index-history)))
(w3m-search-read-query "Namazu query: " "Namazu query (default %s): "
'w3m-namazu-query-history)
current-prefix-arg))
(unless (stringp index)
(error "%s" "Index is required"))
(unless (stringp query)
(error "%s" "Query is required"))
(w3m-goto-url (format "about://namazu/?index=%s&query=%s&whence=0"
(w3m-url-encode-string index)
(w3m-url-encode-string query))
reload))
(provide 'w3m-namazu)
;;; w3m-namazu.el ends here
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