# File lib/rbot/irc.rb, line 1395
1395:     def initialize(name, topic=nil, users=[], opts={})
1396:       raise ArgumentError, "Channel name cannot be empty" if name.to_s.empty?
1397:       warn "Unknown channel prefix #{name[0,1]}" if name !~ /^[&#+!]/
1398:       raise ArgumentError, "Invalid character in #{name.inspect}" if name =~ /[ \x07,]/
1399: 
1400:       init_server_or_casemap(opts)
1401: 
1402:       @name = name
1403: 
1404:       @topic = topic ? topic.to_irc_channel_topic : Channel::Topic.new
1405: 
1406:       @users = UserList.new
1407: 
1408:       users.each { |u|
1409:         add_user(u)
1410:       }
1411: 
1412:       # Flags
1413:       @mode = ModeHash.new
1414: 
1415:       # creation time, only on some networks
1416:       @creation_time = nil
1417: 
1418:       # URL, only on some networks
1419:       @url = nil
1420:     end

      # File lib/rbot/irc.rb, line 1335
1335:     def self.npname(str)
1336:       return str.to_s.sub(/^[&#+!]+/,'')
1337:     end

      # File lib/rbot/irc.rb, line 1380
1380:     def add_user(user, opts={})
1381:       silent = opts.fetch(:silent, false)
1382:       if has_user?(user)
1383:         warn "Trying to add user #{user} to channel #{self} again" unless silent
1384:       else
1385:         @users << user.to_irc_user(server_and_casemap)
1386:       end
1387:     end

      # File lib/rbot/irc.rb, line 1463
1463:     def create_mode(sym, kl)
1464:       @mode[sym.to_sym] = kl.new(self)
1465:     end

      # File lib/rbot/irc.rb, line 1424
1424:     def delete_user(user)
1425:       @mode.each { |sym, mode|
1426:         mode.reset(user) if mode.kind_of?(UserMode)
1427:       }
1428:       @users.delete(user)
1429:     end

      # File lib/rbot/irc.rb, line 1373
1373:     def get_user(nick)
1374:       idx = has_user?(nick)
1375:       @users[idx] if idx
1376:     end

      # File lib/rbot/irc.rb, line 1475
1475:     def has_op?(user)
1476:       @mode.has_key?(:o) and @mode[:o].list[user]
1477:     end

      # File lib/rbot/irc.rb, line 1367
1367:     def has_user?(nick)
1368:       @users.index(nick.to_irc_user(server_and_casemap))
1369:     end

      # File lib/rbot/irc.rb, line 1479
1479:     def has_voice?(user)
1480:       @mode.has_key?(:v) and @mode[:v].list[user]
1481:     end

      # File lib/rbot/irc.rb, line 1344
1344:     def inspect
1345:       str = self.__to_s__[0..-2]
1346:       str << " on server #{server}" if server
1347:       str << " @name=#{@name.inspect} @topic=#{@topic.text.inspect}"
1348:       str << " @users=[#{user_nicks.sort.join(', ')}]"
1349:       str << " (created on #{creation_time})" if creation_time
1350:       str << " (URL #{url})" if url
1351:       str << ">"
1352:     end

      # File lib/rbot/irc.rb, line 1439
1439:     def local?
1440:       name[0,1] == '&'
1441:     end

      # File lib/rbot/irc.rb, line 1445
1445:     def modeless?
1446:       name[0,1] == '+'
1447:     end

      # File lib/rbot/irc.rb, line 1467
1467:     def modes_of(user)
1468:       l = []
1469:       @mode.map { |s, m|
1470:         l << s if (m.class <= UserMode and m.list[user])
1471:       }
1472:       l
1473:     end

      # File lib/rbot/irc.rb, line 1457
1457:     def normal?
1458:       name[0,1] == '#'
1459:     end

      # File lib/rbot/irc.rb, line 1433
1433:     def prefix
1434:       name[0,1]
1435:     end

      # File lib/rbot/irc.rb, line 1451
1451:     def safe?
1452:       name[0,1] == '!'
1453:     end

      # File lib/rbot/irc.rb, line 1356
1356:     def to_irc_channel
1357:       self
1358:     end

      # File lib/rbot/irc.rb, line 1361
1361:     def user_nicks
1362:       @users.map { |u| u.downcase }
1363:     end