On branch master

Initial commit

Changes to be committed:

      new file:   samechannel.rb

diff --git a/samechannel.rb b/samechannel.rb
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+#
+# (c) Hendrik 'henk' Jaeger <weechat@henk.geekmail.org>
+#
+
+def weechat_init
+  Weechat.register(
+    "samechannel",
+    "henk",
+    "0.0.1",
+    "GPL3",
+    "Lists multiple occurences of the same nick(s) in a set of channels.",
+    "",
+    ""
+  )
+
+  Weechat.hook_command(
+    "samechannel",
+    "Lists multiple occurences of the same nick(s) in a set of channels.",
+    "[[-s|--servers] servername[,...]] [[-c|--channels] channelname[,...]] [[-n|--nicks] nickname[,...]]",
+    "--servers servername[,servername],...]
+--channels channelname[@servername][,channelname[@servername],...]
+--nicks nickname[,nickname,...]
+Options used to set filters. All given names are treated as regular expressions. If no names are given, no filters are set.
+
+WARNING: If you are joined to MANY or even just a few very crowded channels, this script may have to do a lot of comparisons!
+
+NOTE: Only nicknames from channels the client is joined to are available for comparison!
+    
+EXAMPLES:
+    /samechannel --channels foo
+    Lists nicks found in more than two channels on all servers.
+    
+    /samechannel --nicks barbaz,hons --servers example,foobarbaz
+    Lists channels from the servers example and foobarbaz for each given nick.
+    
+    /samechannel --nicks foo --channels ^#example.*@.*free.*$
+    Lists channels you share with nick foo that begin with 'example' from every server with 'free' in their names.",
+    "-servers %(irc_servers)
+    || -servers %(irc_servers) -channels %(irc_channels)
+    || -servers %(irc_servers) -nicks %(irc_server_nicks)
+    || -channels %(irc_channels)
+    || -channels %(irc_channels) -servers %(irc_servers)
+    || -channels %(irc_channels) -nicks %(irc_server_nicks)
+    || -nicks %(irc_server_nicks)
+    || -nicks %(irc_server_nicks) -servers %(irc_servers)
+    || -nicks %(irc_server_nicks) -channels %(irc_channels)",
+    "samechannel_cb",
+    ""
+  )
+
+  require 'shellwords'
+  require 'optparse'
+
+  $hdata_ircserver = Weechat.hdata_get('irc_server')
+  $hdata_ircchannel = Weechat.hdata_get('irc_channel')
+  $hdata_ircnick = Weechat.hdata_get('irc_nick')
+
+  return Weechat::WEECHAT_RC_OK
+end
+
+def samechannel_cb( data, buffer, args )
+  options = get_options( args.shellsplit )
+
+  serverchannelptrs = Hash.new
+  nickcount = Hash.new
+
+  serverptrs = find_servers(options[:serverfilter])
+
+  serverptrs.each do |serverptr|
+    serverchannelptrs[serverptr] = find_channels(options[:channelfilter], serverptr)
+  end
+
+  serverchannelptrs.each_pair do |serverptr, channelptrs|
+    servername = Weechat.hdata_string($hdata_ircserver, serverptr, 'name')
+    own_nick = Weechat.hdata_string($hdata_ircserver, serverptr, 'nick')
+
+    channelptrs.each do |channelptr|
+      channelname = Weechat.hdata_string($hdata_ircchannel, channelptr, 'name')
+
+      find_nicks(options[:nickfilter], channelptr).each do |nickptr|
+        nickname = Weechat.hdata_string($hdata_ircnick, nickptr, 'name')
+        next if nickname == own_nick
+        (nickcount[nickname] ||= Array.new) << [channelname, servername].join('@')
+      end
+    end
+  end
+
+  duplicate_nicks = nickcount.delete_if do |nickname, nickpaths|
+    nickpaths.length <= 1
+  end
+  duplicate_nicks_sorted = duplicate_nicks.sort do |a, b|
+    a[1].length <=> b[1].length
+  end
+  duplicate_nicks_sorted.each do |nickname, nickpaths|
+    Weechat.print("", "#{Weechat.color('yellow')}#{nickname}#{Weechat.color('chat')} appeared #{nickpaths.length} times: #{nickpaths.join(', ')}")
+  end
+
+  return Weechat::WEECHAT_RC_OK
+end
+
+def find_nicks( names, channelptr )
+  all_nicks = hhh_get_ptrarray($hdata_ircnick, Weechat.hdata_pointer($hdata_ircchannel, channelptr, 'nicks'))
+  if names
+    all_nicks.find_all do |nickptr|
+      nickname = Weechat.hdata_string($hdata_ircnick, nickptr, 'name')
+      foundnames = names.any? do |name|
+        Regexp.new(name).match(nickname)
+      end
+    end
+  else
+    return all_nicks
+  end
+end
+
+def find_channels( names, serverptr )
+  servername = Weechat.hdata_string($hdata_ircserver, serverptr, 'name')
+  all_channels = hhh_get_ptrarray($hdata_ircchannel, Weechat.hdata_pointer($hdata_ircserver, serverptr, 'channels'))
+  if names
+    all_channels.find_all do |channelptr|
+      channelname = Weechat.hdata_string($hdata_ircchannel, channelptr, 'name')
+      foundnames = names.any? do |name|
+        name_re = Regexp.new(name)
+        if /.*@.*/.match(name)
+          name_re.match(channelname + '@' + servername)
+        else
+          name_re.match(channelname)
+        end
+      end
+    end
+  else
+    return all_channels
+  end
+end
+
+def find_servers( names )
+  serverptrlist = Weechat.hdata_get_list($hdata_ircserver, 'irc_servers')
+  if names
+    matching_servers = names.map do |name|
+      foundserverptr = Weechat.hdata_search($hdata_ircserver, serverptrlist, '${irc_server.name} =~ ' + name, 1)
+    end
+  else
+    return hhh_get_ptrarray($hdata_ircserver, serverptrlist)
+  end
+end
+
+def hhh_get_ptrarray( hdata, pointer )
+  pointers = Array.new
+  begin
+    pointers << pointer unless pointer.empty?
+  end until (pointer = Weechat.hdata_move(hdata, pointer, 1)).empty?
+  return pointers
+end
+
+def get_options( args )
+  options = Hash.new
+
+  opt_parser = OptionParser.new do |opts|
+    opts.on("-c", "--channels channelname[,channelname,...]",
+            "Only channels matching the given (partial) channelname(s) will be considered.)") do |channels|
+      options[:channelfilter] = channels.split(',')
+    end
+
+    opts.on("-n", "--nicks nickname[,nickname,...]",
+            "Only nicks matching the given (partial) nickname(s) will be considered.)") do |nicks|
+      options[:nickfilter] = nicks.split(',')
+    end
+
+    opts.on("-s", "--servers servername[,servername,...]",
+            "Only servers matching the given (partial) servername(s) will be considered.)") do |servers|
+      options[:serverfilter] = servers.split(',')
+    end
+  end
+
+  opt_parser.parse(args)
+
+  return options
+end
+
+
+
+
+
+
+
+
+
+
+
+#  buffer_plugin = Weechat.buffer_get_string(buffer, "localvar_plugin")
+#  buffer_type = Weechat.buffer_get_string(buffer, "localvar_type")
+#  buffer_server = Weechat.buffer_get_string(buffer, "localvar_server")
+
+#  args_string
+#  optionargs = args_string.scan(/-#{optionname} ([^[:space:],]+,?)+/)
+#end
+
+#def get_all_servers
+#  return hhh_get_ptrarray($hdata_ircserver, Weechat.hdata_get_list($hdata_ircserver, 'irc_servers'))
+#end
+