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authorYaohan Chen <yaohan.chen@gmail.com>2007-06-15 16:44:37 +0000
committerYaohan Chen <yaohan.chen@gmail.com>2007-06-15 16:44:37 +0000
commit996cf1c347469f34c351febb1357b0af90184e4a (patch)
tree23fe88553d702198f47cdcb640ec1f8aaa6f064d /data/rbot/plugins
parent0153b9187f957fcfcea9cc996e21c8c8c92db468 (diff)
added DICT (RFC 2229) client plugin
Diffstat (limited to 'data/rbot/plugins')
-rw-r--r--data/rbot/plugins/dictclient.rb192
1 files changed, 192 insertions, 0 deletions
diff --git a/data/rbot/plugins/dictclient.rb b/data/rbot/plugins/dictclient.rb
new file mode 100644
index 00000000..53c1f7c0
--- /dev/null
+++ b/data/rbot/plugins/dictclient.rb
@@ -0,0 +1,192 @@
+#-- vim:sw=2:et
+#++
+#
+# :title: DICT (RFC 2229) Protocol Client Plugin for rbot
+#
+# Author:: Yaohan Chen <yaohan.chen@gmail.com>
+# Copyright:: (C) 2007 Yaohan Chen
+# License:: GPL v2
+#
+# Looks up words on a DICT server. DEFINE and MATCH commands, as well as listing of
+# databases and strategies are supported.
+#
+# TODO
+# Improve output format
+
+
+# requires Ruby/DICT <http://www.caliban.org/ruby/ruby-dict.shtml>
+require 'dict'
+
+class ::String
+ # Returns a new string truncated to length 'to'
+ # If ellipsis is not given, that will just be the first n characters,
+ # Else it will return a string in the form <head><ellipsis><tail>
+ # The total length of that string will not exceed 'to'.
+ # If tail is an Integer, the tail will be exactly 'tail' characters,
+ # if it is a Float/Rational tails length will be (to*tail).ceil.
+ #
+ # Contributed by apeiros
+ def truncate(to=32, ellipsis='…', tail=0.3)
+ str = split(//)
+ return str.first(to).join('') if !ellipsis or str.length <= to
+ to -= ellipsis.split(//).length
+ tail = (tail*to).ceil unless Integer === tail
+ to -= tail
+ "#{str.first(to)}#{ellipsis}#{str.last(tail)}"
+ end
+end
+
+class ::Definition
+ def headword
+ definition[0].strip
+ end
+
+ def body
+ definition[1..-1].join.gsub(/\s+/, ' ').strip
+ end
+end
+
+class DictClientPlugin < Plugin
+ BotConfig.register BotConfigStringValue.new('dictclient.server',
+ :default => 'dict.org',
+ :desc => 'Hostname or hostname:port of the DICT server used to lookup words')
+ BotConfig.register BotConfigIntegerValue.new('dictclient.max_defs_before_collapse',
+ :default => 4,
+ :desc => 'When multiple databases reply a number of definitions that above this limit, only the database names will be listed. Otherwise, the full definitions from each database are replied')
+ BotConfig.register BotConfigIntegerValue.new('dictclient.max_length_per_def',
+ :default => 200,
+ :desc => 'Each definition is truncated to this length')
+ BotConfig.register BotConfigStringValue.new('dictclient.headword_format',
+ :default => "#{Bold}<headword>#{Bold}",
+ :desc => 'Format of headwords; <word> will be replaced with the actual word')
+ BotConfig.register BotConfigStringValue.new('dictclient.database_format',
+ :default => "#{Underline}<database>#{Underline}",
+ :desc => 'Format of database names; <database> will be replaced with the database name')
+ BotConfig.register BotConfigStringValue.new('dictclient.definition_format',
+ :default => '<headword>: <definition> -<database>',
+ :desc => 'Format of definitions. <word> will be replaced with the formatted headword, <def> will be replaced with the truncated definition, and <database> with the formatted database name')
+ BotConfig.register BotConfigStringValue.new('dictclient.match_format',
+ :default => '<matches>––<database>',
+ :desc => 'Format of match results. <matches> will be replaced with the formatted headwords, <database> with the formatted database name')
+
+ def initialize
+ super
+ end
+
+ # create a DICT object, which is passed to the block. after the block finishes,
+ # the DICT object is automatically disconnected. the return value of the block
+ # is returned from this method.
+ # if an IRC message argument is passed, the error message will be replied
+ def with_dict(m=nil &block)
+ server, port = @bot.config['dictclient.server'].split ':' if @bot.config['dictclient.server']
+ server ||= 'dict.org'
+ port ||= DICT::DEFAULT_PORT
+ ret = nil
+ begin
+ dict = DICT.new(server, port)
+ ret = yield dict
+ dict.disconnect
+ rescue ConnectError
+ m.reply 'An error occured connecting to the DICT server. Check the dictclient.server configuration or retry later' if m
+ rescue ProtocolError
+ m.reply 'A protocol error occured' if m
+ rescue DICTError
+ m.reply 'An error occured' if m
+ end
+ ret
+ end
+
+ def format_headword(w)
+ @bot.config['dictclient.headword_format'].gsub '<headword>', w
+ end
+
+ def format_database(d)
+ @bot.config['dictclient.database_format'].gsub '<database>', d
+ end
+
+ def cmd_define(m, params)
+ phrase = params[:phrase].to_s
+ results = with_dict(m) {|d| d.define(params[:database], params[:phrase])}
+ m.reply(
+ if results
+ # only list database headers if definitions come from different databases and
+ # the number of definitions is above dictclient.max_defs_before_collapse
+ if results.any? {|r| r.database != results[0].database} &&
+ results.length > @bot.config['dictclient.max_defs_before_collapse']
+ "Definitions for #{format_headword phrase} were found in #{
+ results.collect {|r| r.database}.uniq.collect {|d|
+ format_database d}.join ', '
+ }. Specify database to view full result."
+ # otherwise display the definitions
+ else
+ results.collect {|r|
+ @bot.config['dictclient.definition_format'].gsub(
+ '<headword>', format_headword(r.headword)
+ ).gsub(
+ '<database>', format_database(r.database)
+ ).gsub(
+ '<definition>', r.body.truncate(@bot.config['dictclient.max_length_per_def'])
+ )
+ }.join ' '
+ end
+ else
+ "No definition for #{format_headword phrase} found from #{
+ format_database params[:database]}."
+ end
+ )
+ end
+
+ def cmd_match(m, params)
+ phrase = params[:phrase].to_s
+ results = with_dict(m) {|d| d.match(params[:database],
+ params[:strategy], phrase)}
+ m.reply(
+ if results
+ results.collect {|database, matches|
+ @bot.config['dictclient.match_format'].gsub(
+ '<matches>', matches.collect {|m| format_headword m}.join(', ')
+ ).gsub(
+ '<database>', format_database(database)
+ )
+ }.join ' '
+ else
+ "Nothing matched for #{format_headword phrase
+ } from #{format_database params[:database]} using #{params[:strategy]}"
+ end
+ )
+ end
+
+ def cmd_databases(m, params)
+ with_dict(m) do |d|
+ m.reply "Databases: #{
+ d.show_db.collect {|db, d|"#{format_database db}: #{d}"}.join '; '
+ }"
+ end
+ end
+
+ def cmd_strategies(m, params)
+ with_dict(m) do |d|
+ m.reply "Strategies: #{
+ d.show_strat.collect {|s, d| "#{s}: #{d}"}.join '; '
+ }"
+ end
+ end
+
+ def help(plugin, topic='')
+ "define <phrase> [from <database>] => Show definition of a phrase; match <phrase> [using <strategy>] [from <database>] => Show matching phrases; dictclient databases => List databases; dictclient strategies => List strategies"
+ end
+end
+
+plugin = DictClientPlugin.new
+
+plugin.map 'define *phrase [from :database]',
+ :action => 'cmd_define',
+ :defaults => {:database => DICT::ALL_DATABASES}
+
+plugin.map 'match *phrase [using :strategy] [from :database]',
+ :action => 'cmd_match',
+ :defaults => {:database => DICT::ALL_DATABASES,
+ :strategy => DICT::DEFAULT_MATCH_STRATEGY }
+
+plugin.map 'dictclient databases', :action => 'cmd_databases'
+plugin.map 'dictclient strategies', :action => 'cmd_strategies' \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 11:40:31 +0000