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;;; w3m-search.el --- functions convenient to access web search engines
;; Copyright (C) 2001, 2002, 2003, 2004
;; TSUCHIYA Masatoshi <tsuchiya@namazu.org>
;; Authors: Keisuke Nishida <kxn30@po.cwru.edu>,
;; Shun-ichi GOTO <gotoh@taiyo.co.jp>,
;; TSUCHIYA Masatoshi <tsuchiya@namazu.org>,
;; Romain FRANCOISE <romain@orebokech.com>
;; Keywords: w3m, WWW, hypermedia
;; 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; if not, you can either send email to this
;; program's maintainer or write to: The Free Software Foundation,
;; Inc.; 59 Temple Place, Suite 330; Boston, MA 02111-1307, USA.
;;; Commentary:
;; This module contains the `w3m-search' command and some utilities
;; to improve your cyberlife. For more detail about emacs-w3m, see:
;;
;; http://emacs-w3m.namazu.org/
;;; Code:
(eval-when-compile
(require 'cl))
(require 'w3m)
(defcustom w3m-search-engine-alist
(let ((ja (equal "Japanese" w3m-language)))
`(,@(if ja
'(("yahoo"
"http://search.yahoo.co.jp/bin/search?p=%s"
euc-japan)
("yahoo-en"
"http://search.yahoo.com/bin/search?p=%s"))
'(("yahoo"
"http://search.yahoo.com/bin/search?p=%s")
("yahoo-ja"
"http://search.yahoo.co.jp/bin/search?p=%s"
euc-japan)))
,@(if ja
'(("google"
"http://www.google.com/search?q=%s&hl=ja&lr=lang_ja&ie=Shift_JIS"
shift_jis)
("google-en"
"http://www.google.com/search?q=%s"))
'(("google"
"http://www.google.com/search?q=%s")
("google-ja"
"http://www.google.com/search?q=%s&hl=ja&lr=lang_ja&ie=Shift_JIS"
shift_jis)))
("google groups"
"http://groups.google.com/groups?q=%s")
,@(if ja
'(("All the Web"
"http://www.alltheweb.com/search?web&_sb_lang=ja&cs=euc-jp\
&q=%s"
euc-japan)
("All the Web-en"
"http://www.alltheweb.com/search?web&_sb_lang=en&q=%s"))
'(("All the Web"
"http://www.alltheweb.com/search?web&_sb_lang=en&q=%s")
("All the Web-ja"
"http://www.alltheweb.com/search?web&_sb_lang=ja&cs=euc-jp&q=%s"
euc-japan)))
("goo-ja"
"http://www.goo.ne.jp/default.asp?MT=%s"
euc-japan)
("excite-ja"
"http://www.excite.co.jp/search.gw?target=combined&look=excite_jp\
&lang=jp&tsug=-1&csug=-1&search=%s"
shift_jis)
("lycos-ja"
"http://www.lycos.co.jp/cgi-bin/pursuit?query=\"%s\"&cat=jp&\
encoding=shift-jis"
shift_jis)
("altavista"
"http://altavista.com/sites/search/web?q=\"%s\"&kl=ja&search=Search")
("rpmfind"
"http://rpmfind.net/linux/rpm2html/search.php?query=%s"
nil)
("debian-pkg"
"http://packages.debian.org/cgi-bin/search_contents.pl\
?directories=yes&arch=i386&version=unstable&case=insensitive&word=%s")
("debian-bts"
"http://bugs.debian.org/cgi-bin/pkgreport.cgi?archive=yes&pkg=%s")
("freebsd-users-jp"
"http://home.jp.FreeBSD.org/cgi-bin/namazu.cgi?key=\"%s\"&whence=0\
&max=50&format=long&sort=score&dbname=FreeBSD-users-jp"
euc-japan)
("iij-archie"
"http://www.iij.ad.jp/cgi-bin/archieplexform?query=%s\
&type=Case+Insensitive+Substring+Match&order=host&server=archie1.iij.ad.jp\
&hits=95&nice=Nice")
("waei"
"http://dictionary.goo.ne.jp/cgi-bin/dict_search.cgi?MT=%s&sw=1"
euc-japan)
("eiwa"
"http://dictionary.goo.ne.jp/cgi-bin/dict_search.cgi?MT=%s&sw=0")
("kokugo"
"http://dictionary.goo.ne.jp/cgi-bin/dict_search.cgi?MT=%s&sw=2"
euc-japan)
("eiei"
"http://www.dictionary.com/cgi-bin/dict.pl?term=%s&r=67")
,@(if ja
'(("amazon"
"http://www.amazon.co.jp/exec/obidos/search-handle-form/\
250-7496892-7797857"
shift_jis
"url=index=blended&search-type=quick-search&\
field-keywords=%s")
("amazon-en"
"http://www.amazon.com/exec/obidos/search-handle-form/\
250-7496892-7797857"
nil
"url=index=blended&field-keywords=%s"))
'(("amazon"
"http://www.amazon.com/exec/obidos/search-handle-form/\
250-7496892-7797857"
nil
"url=index=blended&field-keywords=%s")
("amazon-ja"
"http://www.amazon.co.jp/exec/obidos/search-handle-form/\
250-7496892-7797857"
shift_jis
"url=index=blended&search-type=quick-search&\
field-keywords=%s")))))
"*An alist of search engines.
Each element looks like (ENGINE ACTION CODING POST-DATA)
ENGINE is a string, the name of the search engine.
ACTION is a string, the URL that performs a search.
ACTION must contain a \"%s\", which is substituted by a query string.
CODING is optional value which is coding system for query string.
POST-DATA is optional value which is a string for POST method search engine.
If CODING is omitted, it defaults to `w3m-default-coding-system'."
:group 'w3m
:type `(repeat
(group :indent 2
(string :format "Engine: %v\n" :size 0)
(string :format " Action: %v\n" :size 0)
(coding-system :format "%t: %v\n" :size 0)
(checklist :inline t
:entry-format ,(if (if (featurep 'xemacs)
(device-on-window-system-p)
window-system)
"%b %v"
"%b %v")
(string :format "PostData: %v\n" :size 0)))))
(defcustom w3m-search-default-engine "google"
"*Name of the default search engine.
See also `w3m-search-engine-alist'."
:group 'w3m
:type '(string :size 0))
(defcustom w3m-search-word-at-point t
"*Non-nil means that the word at point is used as an initial string.
If Transient Mark mode, this option is ignored and the region is used
as an initial string."
:group 'w3m
:type 'boolean)
(defun w3m-search-escape-query-string (str &optional coding)
(mapconcat
(lambda (s)
(w3m-url-encode-string s (or coding w3m-default-coding-system)))
(split-string str)
"+"))
(defun w3m-search-read-query (prompt prompt-with-default &optional history)
"Read a query from the minibuffer, prompting with string PROMPT.
When a default value for the query is discovered, prompt with string
PROMPT-WITH-DEFAULT instead of string PROMPT."
(let ((default
(if (w3m-region-active-p)
(buffer-substring (region-beginning) (region-end))
(unless (eq (get-text-property (line-beginning-position) 'face)
'w3m-header-line-location-title-face)
(thing-at-point 'word))))
(initial))
(when default
(set-text-properties 0 (length default) nil default)
(when (or w3m-search-word-at-point (w3m-region-active-p))
(setq initial default
default nil))
(when (w3m-region-active-p)
(w3m-deactivate-region)))
(read-string (if default
(format prompt-with-default default)
prompt)
initial history default)))
;;;###autoload
(defun w3m-search (search-engine query)
"Search QUERY using SEARCH-ENGINE.
When called interactively with a prefix argument, you can choose one of
the search engines defined in `w3m-search-engine-alist'. Otherwise use
`w3m-search-default-engine'.
If Transient Mark mode, use the region as an initial string of query
and deactivate the mark."
(interactive
(let ((engine
(if current-prefix-arg
(let ((completion-ignore-case t))
(completing-read (format "Which engine? (default %s): "
w3m-search-default-engine)
w3m-search-engine-alist nil t))
w3m-search-default-engine)))
(when (string= engine "")
(setq engine w3m-search-default-engine))
(list engine
(w3m-search-read-query
(format "%s search: " engine)
(format "%s search (default %%s): " engine)))))
(unless (string= query "")
(let ((info (assoc search-engine w3m-search-engine-alist)))
(if info
(let ((query-string (w3m-search-escape-query-string query
(caddr info)))
(post-data (cadddr info)))
(w3m-goto-url
(format (cadr info) query-string)
post-data
nil
(and post-data (format post-data query-string))))
(error "Unknown search engine: %s" search-engine)))))
;;;###autoload
(defun w3m-search-uri-replace (uri engine)
"Generate query string for ENGINE from URI matched by last search."
(let ((query (substring uri (match-end 0)))
(info (assoc engine w3m-search-engine-alist)))
(when info
(format (cadr info)
(w3m-search-escape-query-string query (caddr info))))))
(provide 'w3m-search)
;;; w3m-search.el ends here
|
