1 ;;; riece-google.el --- Interface to Google API
2 ;; Copyright (C) 2005 OHASHI Akira
4 ;; Author: OHASHI Akira <bg66@koka-in.org>
5 ;; SASADA Koichi <ko1 at atdot.net>
6 ;; Keywords: IRC, riece
8 ;; This file is part of Riece.
10 ;; This program is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; This program is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 ;; This add-on searches keywords by Google.
29 ;; Ruby code was stolen (and modified) from nadoka.
31 ;; To use, add the following line to your ~/.riece/init.el:
32 ;; (add-to-list 'riece-addons 'riece-google)
36 (require 'riece-message)
38 (defgroup riece-google nil
39 "Interface to Google API."
43 (defcustom riece-google-ruby-command "ruby"
44 "Command name for Ruby interpreter."
48 (defcustom riece-google-program
50 # Copyright (c) 2004 SASADA Koichi <ko1 at atdot.net>
52 # This program is free software with ABSOLUTELY NO WARRANTY.
53 # You can re-distribute and/or modify this program under
54 # the same terms of the Ruby's lisence.
56 require 'soap/wsdlDriver'
61 keywords = '" keywords "'
62 max_results = " max-results "
63 license_key = '" license-key "'
64 default_lang = '" lang "'
65 google_wsdl = 'http://api.google.com/GoogleSearch.wsdl'
66 google = SOAP::WSDLDriverFactory.new(google_wsdl).create_driver
69 CGI.unescapeHTML(str.gsub(/\\<.+?\\>/, ''))
73 if lang.empty? || /^lang_/ =~ lang
80 def show_char_code_and_erace_tag str
83 CGI.unescapeHTML(str.gsub(/\\<.+?\\>/, '')).tojis
86 str = Iconv.conv(\"EUC-JP\", \"UTF-8\", str)
87 CGI.unescapeHTML(str.gsub(/\\<.+?\\>/, '')).tojis
89 \"(char code problem: #{e.class}[#{e.message.dump}])\"
96 def search_char_code str
102 Iconv.conv(\"UTF-8\", \"EUC-JP\", str.toeuc)
104 \"(char code problem: #{e.class})\"
114 lang = lang_check(default_lang)
115 word = search_char_code(keywords)
116 result = google.doGoogleSearch(
117 license_key, word, 0, max_results, false, \"\",
118 false, lang, 'utf-8', 'utf-8'
121 count = result.estimatedTotalResultsCount
123 word = show_char_code_and_erace_tag(keywords)
124 count = count.to_s.gsub(/(\\d)(?=\\d{3}+$)/, '\\\\1,')
125 time = result.searchTime.to_s
126 print \"Search results for #{word} (Hits: #{count}: Time: #{time}):\\n\"
128 result.resultElements.each_with_index{|e, i|
129 title = show_char_code_and_erace_tag(e.title)
131 print \"#{title} - #{url}\\n\"
134 print \"no match\\n\"
137 rescue Exception => e
138 print \"#{e.class}(#{e.message})\"
141 "Ruby program for searching by Google."
143 :group 'riece-google)
145 (defcustom riece-google-license-key nil
146 "*License key for Google API."
148 :group 'riece-google)
150 (defcustom riece-google-default-lang '("lang_en" "lang_ja")
151 "*Default language for search keywords."
152 :type '(repeat (choice (const "lang_en" :tag "English")
153 (const "lang_ja" :tag "Japanese")
154 (string :tag "The other language")))
155 :group 'riece-google)
157 (defconst riece-google-regexp
158 "^go\\(o+\\)gle\\(:\\([a-z]+\\)\\)?>\\s-*\\(.*\\)")
160 (defvar riece-google-enabled nil)
162 (defconst riece-google-description
163 "Search keywords by Google.")
165 (defvar riece-google-target nil)
167 (defun riece-google-display-message-function (message)
168 (when (and riece-google-enabled
169 (stringp riece-google-license-key)
170 (string-match riece-google-regexp (riece-message-text message)))
171 (let ((keywords (match-string 4 (riece-message-text message)))
172 (max-results (number-to-string
174 (match-string 1 (riece-message-text message)))))
175 (lang (or (match-string 3 (riece-message-text message))
176 riece-google-default-lang))
177 (process-connection-type nil)
179 (coding-system-for-read 'binary)
180 (coding-system-for-write 'binary)
181 (process (start-process "Google" (generate-new-buffer " *Google*")
182 riece-google-ruby-command)))
184 (setq lang (mapconcat #'identity lang " ")))
185 (setq riece-google-target (riece-message-target message))
186 (process-send-string process
188 (riece-google-substitute-variables
189 (riece-google-substitute-variables
190 (riece-google-substitute-variables
191 (riece-google-substitute-variables
194 'max-results max-results)
195 'license-key riece-google-license-key)
197 (process-send-eof process)
198 (with-current-buffer (process-buffer process)
199 (set-buffer-multibyte t)
201 (set-buffer-modified-p nil))
202 (set-process-filter process #'riece-google-filter)
203 (set-process-sentinel process #'riece-google-sentinel))))
205 (defun riece-google-filter (process output)
206 (when (buffer-live-p (process-buffer process))
207 (with-current-buffer (process-buffer process)
208 (goto-char (point-max))
210 (goto-char (point-min))
211 (while (progn (end-of-line) (and (not (eobp)) (eq (char-after) ?\n)))
212 (if (eq (char-after (1- (point))) ?\r) ; cut off preceding LF
213 (delete-region (1- (point)) (point)))
214 (riece-google-send-string riece-google-target
215 (buffer-substring (point-min) (point)))
216 (delete-region (point-min) (progn (beginning-of-line 2) (point)))))))
218 (defun riece-google-sentinel (process string)
219 (delete-process process))
221 (defun riece-google-send-string (target message)
223 (format "NOTICE %s :%s\r\n" (riece-identity-prefix target) message))
224 (riece-display-message
225 (riece-make-message (riece-current-nickname) target message 'notice)))
227 (defun riece-google-substitute-variables (program variable value)
228 (setq program (copy-sequence program))
229 (let ((pointer program))
231 (setq pointer (memq variable program))
233 (setcar pointer value)))
236 (defun riece-google-insinuate ()
237 (add-hook 'riece-after-display-message-functions
238 'riece-google-display-message-function))
240 (defun riece-google-enable ()
241 (setq riece-google-enabled t))
243 (defun riece-google-disable ()
244 (setq riece-google-enabled nil))
246 (provide 'riece-google)
248 ;;; riece-google.el ends here