5 # Encapsulates a keyword ("foo is bar" is a keyword called foo, with type
6 # is, and has a single value of bar).
7 # Keywords can have multiple values, to_s() will choose one at random
10 # type of keyword (e.g. "is" or "are")
13 # type:: type of keyword (e.g "is" or "are")
14 # values:: array of values
16 # create a keyword of type +type+ with values +values+
17 def initialize(type, values)
22 # pick a random value for this keyword and return it
24 if(@values.length > 1)
25 Keyword.unescape(@values[rand(@values.length)])
27 Keyword.unescape(@values[0])
31 # describe the keyword (show all values without interpolation)
36 # return the keyword in a stringified form ready for storage
38 @type + "/" + Keyword.unescape(@values.join("<=or=>"))
41 # deserialize the stringified form to an object
42 def Keyword.restore(str)
43 if str =~ /^(\S+?)\/(.*)$/
45 vals = $2.split("<=or=>")
46 return Keyword.new(type, vals)
51 # values:: array of values to add
52 # add values to a keyword
54 if(@values.length > 1 || values.length > 1)
59 @values[0] += " or " + values[0]
63 # unescape special words/characters in a keyword
64 def Keyword.unescape(str)
65 str.gsub(/\\\|/, "|").gsub(/ \\is /, " is ").gsub(/ \\are /, " are ").gsub(/\\\?(\s*)$/, "?\1")
68 # escape special words/characters in a keyword
69 def Keyword.escape(str)
70 str.gsub(/\|/, "\\|").gsub(/ is /, " \\is ").gsub(/ are /, " \\are ").gsub(/\?(\s*)$/, "\\?\1")
74 # keyword plugin class.
76 # Handles all that stuff like "bot: foo is bar", "bot: foo?"
78 # Fallback after core and auth have had a look at a message and refused to
79 # handle it, checks for a keyword command or lookup, otherwise the message
80 # is delegated to plugins
81 class KeywordPlugin < Plugin
82 BotConfig.register BotConfigBooleanValue.new('keyword.listen',
84 :desc => "Should the bot listen to all chat and attempt to automatically detect keywords? (e.g. by spotting someone say 'foo is bar')")
85 BotConfig.register BotConfigBooleanValue.new('keyword.address',
87 :desc => "Should the bot require that keyword lookups are addressed to it? If not, the bot will attempt to lookup foo if someone says 'foo?' in channel")
89 # create a new KeywordPlugin instance, associated to bot +bot+
93 @statickeywords = Hash.new
94 @keywords = @registry.sub_registry('keywords') # DBTree.new bot, "keyword"
99 # import old format keywords into DBHash
100 if(File.exist?("#{@bot.botclass}/keywords.rbot"))
101 log "auto importing old keywords.rbot"
102 IO.foreach("#{@bot.botclass}/keywords.rbot") do |line|
103 if(line =~ /^(.*?)\s*<=(is|are)?=?>\s*(.*)$/)
107 mhs = "is" unless mhs
108 rhs = Keyword.escape rhs
109 values = rhs.split("<=or=>")
110 @keywords[lhs] = Keyword.new(mhs, values).dump
113 File.rename("#{@bot.botclass}/keywords.rbot", "#{@bot.botclass}/keywords.rbot.old")
117 # drop static keywords and reload them from files, picking up any new
118 # keyword files that have been added
120 @statickeywords = Hash.new
124 # load static keywords from files, picking up any new keyword files that
127 # first scan for old DBHash files, and convert them
128 Dir["#{@bot.botclass}/keywords/*"].each {|f|
129 next unless f =~ /\.db$/
130 log "upgrading keyword db #{f} (rbot 0.9.5 or prior) database format"
131 newname = f.gsub(/\.db$/, ".kdb")
132 old = BDB::Hash.open f, nil,
134 new = BDB::CIBtree.open(newname, nil,
135 BDB::CREATE | BDB::EXCL,
145 # then scan for current DBTree files, and load them
146 Dir["#{@bot.botclass}/keywords/*"].each {|f|
147 next unless f =~ /\.kdb$/
148 hsh = DBTree.new @bot, f, true
149 key = File.basename(f).gsub(/\.kdb$/, "")
150 debug "keywords module: loading DBTree file #{f}, key #{key}"
151 @statickeywords[key] = hsh
154 # then scan for non DB files, and convert/import them and delete
155 Dir["#{@bot.botclass}/keywords/*"].each {|f|
156 next if f =~ /\.kdb$/
158 log "auto converting keywords from #{f}"
159 key = File.basename(f)
160 unless @statickeywords.has_key?(key)
161 @statickeywords[key] = DBHash.new @bot, "#{f}.db", true
163 IO.foreach(f) {|line|
164 if(line =~ /^(.*?)\s*<?=(is|are)?=?>\s*(.*)$/)
168 # support infobot style factfiles, by fixing them up here
169 rhs.gsub!(/\$who/, "<who>")
170 mhs = "is" unless mhs
171 rhs = Keyword.escape rhs
172 values = rhs.split("<=or=>")
173 @statickeywords[key][lhs] = Keyword.new(mhs, values).dump
177 @statickeywords[key].flush
181 # upgrade data files found in old rbot formats to current
183 if File.exist?("#{@bot.botclass}/keywords.db")
184 log "upgrading old keywords (rbot 0.9.5 or prior) database format"
185 old = BDB::Hash.open "#{@bot.botclass}/keywords.db", nil,
192 File.rename("#{@bot.botclass}/keywords.db", "#{@bot.botclass}/keywords.db.old")
195 if File.exist?("#{@bot.botclass}/keyword.db")
196 log "upgrading old keywords (rbot 0.9.9 or prior) database format"
197 old = BDB::CIBtree.open "#{@bot.botclass}/keyword.db", nil,
204 File.rename("#{@bot.botclass}/keyword.db", "#{@bot.botclass}/keyword.db.old")
208 # save dynamic keywords to file
213 File.open("#{@bot.botclass}/keywords.rbot", "w") do |file|
214 @keywords.each do |key, value|
215 file.puts "#{key}<=#{value.type}=>#{value.dump}"
220 # lookup keyword +key+, return it or nil
222 return nil if key.nil?
223 debug "keywords module: looking up key #{key}"
224 if(@keywords.has_key?(key))
225 return Keyword.restore(@keywords[key])
227 # key name order for the lookup through these
228 @statickeywords.keys.sort.each {|k|
229 v = @statickeywords[k]
231 return Keyword.restore(v[key])
238 # does +key+ exist as a keyword?
240 if @keywords.has_key?(key) && Keyword.restore(@keywords[key]) != nil
243 @statickeywords.each {|k,v|
244 if v.has_key?(key) && Keyword.restore(v[key]) != nil
251 # m:: PrivMessage containing message info
252 # key:: key being queried
253 # quiet:: optional, if false, complain if +key+ is not found
255 # handle a message asking about a keyword
256 def keyword_lookup(m, key, quiet = false)
258 unless(kw = self[key])
259 m.reply "sorry, I don't know about \"#{key}\"" unless quiet
264 response.gsub!(/<who>/, m.sourcenick)
266 if(response =~ /^<reply>\s*(.*)/)
268 elsif(response =~ /^<action>\s*(.*)/)
270 elsif(m.public? && response =~ /^<topic>\s*(.*)/)
271 @bot.topic m.target, $1
273 m.reply "#{key} #{kw.type} #{response}"
278 # handle a message which alters a keyword
279 # like "foo is bar" or "foo is also qux"
280 def keyword_command(m, lhs, mhs, rhs, quiet = false)
281 debug "got keyword command #{lhs}, #{mhs}, #{rhs}"
283 also = true if(rhs.gsub!(/^also\s+/, ""))
285 values = rhs.split(/\s+\|\s+/)
286 lhs = Keyword.unescape lhs
288 if(also && has_key?(lhs))
291 @keywords[lhs] = kw.dump
293 @keywords[lhs] = Keyword.new(mhs, values).dump
296 @bot.okay m.target if !quiet
299 # return help string for Keywords with option topic +topic+
300 def help(plugin, topic = '')
303 'keyword [lookup] <keyword> => look up the definition for a keyword; writing "lookup" is optional'
305 'keyword set <keyword> is/are <definition> => define a keyword, definition can contain "|" to separate multiple randomly chosen replies'
307 'keyword forget <keyword> => forget a keyword'
309 'keyword tell <nick> about <keyword> => tell somebody about a keyword'
311 'keyword search [--all] [--full] <pattern> => search keywords for <pattern>, which can be a regular expression. If --all is set, search static keywords too, if --full is set, search definitions too.'
313 'when the config option "keyword.listen" is set to false, rbot will try to extract keyword definitions from regular channel messages'
315 'when the config option "keyword.address" is set to true, rbot will try to answer channel questions of the form "<keyword>?"'
317 '<reply> => normal response is "<keyword> is <definition>", but if <definition> begins with <reply>, the response will be "<definition>"'
319 '<action> => makes keyword respond with "/me <definition>"'
321 '<who> => replaced with questioner in reply'
323 '<topic> => respond by setting the topic to the rest of the definition'
325 'keyword module (fact learning and regurgitation) topics: lookup, set, forget, tell, search, listen, address, <reply>, <action>, <who>, <topic>'
329 # handle a message asking the bot to tell someone about a keyword
330 def keyword_tell(m, target, key)
331 unless(kw = self[key])
332 m.reply @bot.lang.get("dunno_about_X") % key
337 response.gsub!(/<who>/, m.sourcenick)
338 if(response =~ /^<reply>\s*(.*)/)
339 @bot.say target, "#{m.sourcenick} wanted me to tell you: (#{key}) #$1"
340 m.reply "okay, I told #{target}: (#{key}) #$1"
341 elsif(response =~ /^<action>\s*(.*)/)
342 @bot.action target, "#$1 (#{m.sourcenick} wanted me to tell you)"
343 m.reply "okay, I told #{target}: * #$1"
345 @bot.say target, "#{m.sourcenick} wanted me to tell you that #{key} #{kw.type} #{response}"
346 m.reply "okay, I told #{target} that #{key} #{kw.type} #{response}"
350 # return the number of known keywords
353 @statickeywords.each {|k,v|
356 m.reply "There are currently #{@keywords.length} keywords, #{length} static facts defined."
359 # search for keywords, optionally also the definition and the static keywords
360 def keyword_search(m, key, full = false, all = false)
362 if key =~ /^\/(.+)\/$/
363 re = Regexp.new($1, Regexp::IGNORECASE)
365 re = Regexp.new(Regexp.escape(key), Regexp::IGNORECASE)
369 @keywords.each {|k,v|
370 kw = Keyword.restore(v)
371 if re.match(k) || (full && re.match(kw.desc))
376 @statickeywords.each {|k,v|
378 kw = Keyword.restore(vv)
379 if re.match(kk) || (full && re.match(kw.desc))
386 if matches.length == 1
388 m.reply "#{rkw[0]} #{rkw[1].type} #{rkw[1].desc}"
389 elsif matches.length > 0
392 m.reply "[#{i+1}/#{matches.length}] #{rkw[0]} #{rkw[1].type} #{rkw[1].desc}"
397 m.reply "no keywords match #{key}"
399 rescue RegexpError => e
400 m.reply "no keywords match #{key}: #{e}"
403 m.reply "no keywords match #{key}: an error occurred"
407 # forget one of the dynamic keywords
408 def keyword_forget(m, key)
409 if(@keywords.has_key?(key))
410 @keywords.delete(key)
418 when /^set\s+(.+?)\s+(is|are)\s+(.+)$/
419 keyword_command(m, $1, $2, $3) if @bot.auth.allow?('keycmd', m.source, m.replyto)
420 when /^forget\s+(.+)$/
421 keyword_forget(m, $1) if @bot.auth.allow?('keycmd', m.source, m.replyto)
422 when /^lookup\s+(.+)$/
423 keyword_lookup(m, $1) if @bot.auth.allow?('keyword', m.source, m.replyto)
425 keyword_stats(m) if @bot.auth.allow?('keyword', m.source, m.replyto)
426 when /^search\s+(.+)$/
428 full = key.sub!('--full ', '')
429 all = key.sub!('--all ', '')
430 keyword_search(m, key, full, all) if @bot.auth.allow?('keyword', m.source, m.replyto)
431 when /^tell\s+(\S+)\s+about\s+(.+)$/
432 keyword_tell(m, $1, $2) if @bot.auth.allow?('keyword', m.source, m.replyto)
434 keyword_lookup(m, m.params) if @bot.auth.allow?('keyword', m.source, m.replyto)
440 # in channel message, not to me
441 # TODO option to do if(m.message =~ /^(.*)$/, ie try any line as a
443 if !@bot.config["keyword.address"] && m.message =~ /^(.*\S)\s*\?\s*$/
444 keyword_lookup m, $1, true if @bot.auth.allow?("keyword", m.source)
445 elsif @bot.config["keyword.listen"] && (m.message =~ /^(.*?)\s+(is|are)\s+(.*)$/)
446 # TODO MUCH more selective on what's allowed here
447 keyword_command m, $1, $2, $3, true if @bot.auth.allow?("keycmd", m.source)
452 plugin = KeywordPlugin.new
453 plugin.register 'keyword'