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|
# Author: Giuseppe "Oblomov" Bilotta <giuseppe.bilotta@gmail.com>
# Add a bunch of topic manipulation features
class TopicPlugin < Plugin
def initialize
super
@separator = "|" # default separator
end
def help(plugin, topic="")
case plugin
when "topic"
case topic
when "add"
return "topic add <text> => add <text> at the end the topic"
when "prepend"
return "topic prepend <text> => add <text> at the beginning of the topic"
when "addat"
return "topic addat <num> <text> => add <text> at position <num> of the topic"
when "del", "delete"
return "topic del <num> => remove section <num> from the topic"
when "replace"
return "topic replace <num> <text> => Replaces section <num> with <text>"
when "sep", "separator"
return "topic sep(arator) [<text>] => get or set the topic section separator"
when "learn"
return "topic learn => remembers the topic for later"
when "restore"
return "topic restore => resets the topic to the latest remembered one"
when "clear"
return "topic clear => clears the topic"
when "set"
return "topic set <text> => sets the topic to <text>"
when "undo"
return "topic undo => undoes the latest change to the topic"
else
return "topic add(at)|prepend|del(ete)|replace|sep(arator)|learn|restore|clear|set|undo: " + \
"manipulate the topic of the current channel; use topic <#channel> <command> " + \
"for private addressing"
end
end
end
def handletopic(m, param)
return unless m.kind_of?(PrivMessage)
if m.public?
ch = m.channel
else
ch = m.server.get_channel(param[:channel])
unless ch
m.reply("I am not in channel #{param[:channel]}")
return
end
end
cmd = param[:command]
txt = param[:text].to_s
case cmd
when /^a(dd|ppend)$/
topicappend(m, ch, txt)
when 'prepend'
topicprepend(m, ch, txt)
when 'addat'
if txt =~ /\s*(-?\d+)\s+(.*)\s*/
num = $1.to_i - 1
num += 1 if num < 0
txt = $2
topicaddat(m, ch, num, txt)
end
when /^del(ete)?$/
if txt =~ /\s*(-?\d+)\s*/
num=$1.to_i - 1
num += 1 if num < 0
topicdel(m, ch, num)
end
when 'set'
topicset(m, ch, txt)
when 'clear'
topicset(m, ch, '')
when /^sep(arator)?$/
topicsep(m, ch, txt)
when 'learn'
learntopic(m, ch)
when 'replace'
if txt =~ /\s*(-?\d+)\s+(.*)\s*/
num = $1.to_i - 1
num += 1 if num < 0
txt = $2
replacetopic(m, ch, num, txt)
end
when 'restore'
restoretopic(m, ch)
when 'undo'
undotopic(m, ch)
else
m.reply 'unknown command'
end
end
def topicsep(m, ch, txt)
return if !@bot.auth.allow?("topic::edit::separator", m.source, m.replyto)
if txt
sep = txt.strip
if sep != ""
setsep(ch, sep)
end
end
m.reply "Topic separator set to #{getsep(ch)}"
end
def setsep(ch, sep)
raise unless ch.class <= Irc::Channel
# TODO multiserver
k = ch.downcase
if @registry.has_key?(k)
data = @registry[k]
else
data = Hash.new
end
oldsep = getsep(ch)
topic = ch.topic.text
topicarray = topic.split(/\s+#{Regexp.escape(oldsep)}\s*/)
if sep != oldsep and topicarray.length > 0
newtopic = topicarray.join(" #{sep} ")
@bot.topic ch, newtopic if newtopic != topic
end
data[:separator] = sep
@registry[k] = data
end
def getsep(ch)
raise unless ch.class <= Irc::Channel
# TODO multiserver
k = ch.downcase
if @registry.has_key?(k)
if @registry[k].has_key?(:separator)
return @registry[k][:separator]
end
end
return @separator
end
def topicaddat(m, ch, num, txt)
return if !@bot.auth.allow?("topic::edit::add", m.source, m.replyto)
sep = getsep(ch)
topic = ch.topic.text
topicarray = topic.split(/\s+#{Regexp.escape(sep)}\s*/)
topicarray.insert(num, txt)
newtopic = topicarray.join(" #{sep} ")
changetopic(m, ch, newtopic)
end
def topicappend(m, ch, txt)
topicaddat(m, ch, -1, txt)
end
def topicprepend(m, ch, txt)
topicaddat(m, ch, 0, txt)
end
def topicdel(m, ch, num)
return if !@bot.auth.allow?("topic::edit::del", m.source, m.replyto)
sep = getsep(ch)
topic = ch.topic.text
topicarray = topic.split(/\s+#{Regexp.escape(sep)}\s*/)
topicarray.delete_at(num)
newtopic = topicarray.join(" #{sep} ")
changetopic(m, ch, newtopic)
end
def learntopic(m, ch)
return if !@bot.auth.allow?("topic::store::store", m.source, m.replyto)
topic = ch.topic.text
k = ch.downcase
if @registry.has_key?(k)
data = @registry[k]
else
data = Hash.new
end
data[:topic] = topic
@registry[k] = data
m.okay
end
def replacetopic(m, ch, num, txt)
return if !@bot.auth.allow?("topic::edit::replace", m.source, m.replyto)
sep = getsep(ch)
topic = ch.topic.text
topicarray = topic.split(/\s+#{Regexp.escape(sep)}\s*/)
topicarray[num] = txt
newtopic = topicarray.join(" #{sep} ")
changetopic(m, ch, newtopic)
end
def restoretopic(m, ch)
return if !@bot.auth.allow?("topic::store::restore", m.source, m.replyto)
k = ch.downcase
if @registry.has_key?(k) && @registry[k].has_key?(:topic)
topic = @registry[k][:topic]
topicset(m, ch, topic)
else
m.reply "I don't remember any topic for #{ch}"
end
end
def topicset(m, ch, text)
return if !@bot.auth.allow?("topic::edit::replace", m.source, m.replyto)
changetopic(m, ch, text)
end
# This method changes the topic on channel +ch+ to +text+, storing
# the previous topic for undo
def changetopic(m, ch, text)
k = ch.downcase
if @registry.has_key?(k)
data = @registry[k]
else
data = Hash.new
end
data[:oldtopic] = ch.topic.text
@registry[k] = data
@bot.topic ch, text
end
def undotopic(m, ch)
k = ch.downcase
if @registry.has_key?(k)
data = @registry[k]
if data.has_key?(:oldtopic)
changetopic(m, ch, data[:oldtopic].dup)
return
end
end
m.reply "No recent changes were recorded for #{ch}"
end
end
plugin = TopicPlugin.new
plugin.map 'topic :command [*text]', :action => 'handletopic', :public => true, :private => false
plugin.map 'topic :channel :command [*text]', :action => 'handletopic', :public => false, :private => true
plugin.default_auth('*', false)
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