363 lines
11 KiB
Factor
Executable File
363 lines
11 KiB
Factor
Executable File
! Copyright (C) 2008 Bruno Deferrari, Doug Coleman, Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: concurrency.mailboxes kernel io.sockets io.encodings.8-bit calendar
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accessors destructors namespaces io assocs arrays qualified fry
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continuations threads strings classes combinators splitting hashtables
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ascii irc.messages ;
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RENAME: join sequences => sjoin
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EXCLUDE: sequences => join ;
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IN: irc.client
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! ======================================
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! Setup and running objects
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! ======================================
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: irc-port 6667 ; ! Default irc port
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TUPLE: irc-profile server port nickname password ;
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C: <irc-profile> irc-profile
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TUPLE: irc-client profile stream in-messages out-messages
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listeners is-running nick connect reconnect-time ;
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: <irc-client> ( profile -- irc-client )
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[ f <mailbox> <mailbox> H{ } clone f ] keep nickname>>
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[ <inet> latin1 <client> ] 15 seconds irc-client boa ;
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TUPLE: irc-listener in-messages client ;
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TUPLE: irc-server-listener < irc-listener ;
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TUPLE: irc-channel-listener < irc-listener name password timeout participants ;
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TUPLE: irc-nick-listener < irc-listener name ;
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SYMBOL: +server-listener+
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! participant modes
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SYMBOL: +operator+
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SYMBOL: +voice+
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SYMBOL: +normal+
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: participant-mode ( n -- mode )
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H{ { 64 +operator+ } { 43 +voice+ } { 0 +normal+ } } at ;
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! participant changed actions
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SYMBOL: +join+
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SYMBOL: +part+
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SYMBOL: +mode+
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SYMBOL: +nick+
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! listener objects
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: <irc-listener> ( -- irc-listener ) <mailbox> <mailbox> irc-listener boa ;
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: <irc-server-listener> ( -- irc-server-listener )
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<mailbox> f irc-server-listener boa ;
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: <irc-channel-listener> ( name -- irc-channel-listener )
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[ <mailbox> f ] dip f 60 seconds H{ } clone
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irc-channel-listener boa ;
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: <irc-nick-listener> ( name -- irc-nick-listener )
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[ <mailbox> f ] dip irc-nick-listener boa ;
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! ======================================
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! Message objects
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! ======================================
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TUPLE: participant-changed nick action parameter ;
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C: <participant-changed> participant-changed
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SINGLETON: irc-listener-end ! send to a listener to stop its execution
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SINGLETON: irc-end ! sent when the client isn't running anymore
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SINGLETON: irc-disconnected ! sent when connection is lost
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SINGLETON: irc-connected ! sent when connection is established
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: terminate-irc ( irc-client -- )
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[ is-running>> ] keep and [
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f >>is-running
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[ in-messages>> ] [ out-messages>> ] bi 2array
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[ irc-end swap mailbox-put ] each
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] when* ;
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<PRIVATE
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SYMBOL: current-irc-client
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! ======================================
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! Utils
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! ======================================
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: irc> ( -- irc-client ) current-irc-client get ;
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: irc-stream> ( -- stream ) irc> stream>> ;
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: irc-write ( s -- ) irc-stream> stream-write ;
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: irc-print ( s -- ) irc-stream> [ stream-print ] keep stream-flush ;
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: irc-send ( irc-message -- ) irc> out-messages>> mailbox-put ;
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: listener> ( name -- listener/f ) irc> listeners>> at ;
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: channel-mode? ( mode -- ? ) name>> first "#&" member? ;
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: me? ( string -- ? ) irc> nick>> = ;
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GENERIC: to-listener ( message obj -- )
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M: string to-listener
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listener> [ +server-listener+ listener> ] unless*
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[ to-listener ] [ drop ] if* ;
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M: irc-listener to-listener in-messages>> mailbox-put ;
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: unregister-listener ( name -- )
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irc> listeners>>
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[ at [ irc-listener-end ] dip to-listener ]
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[ delete-at ]
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2bi ;
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: (remove-participant) ( nick listener -- )
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[ participants>> delete-at ]
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[ [ +part+ f <participant-changed> ] dip to-listener ] 2bi ;
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: remove-participant ( nick channel -- )
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listener> [ (remove-participant) ] [ drop ] if* ;
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: listeners-with-participant ( nick -- seq )
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irc> listeners>> values
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[ [ irc-channel-listener? ] keep and [ participants>> key? ] when* ]
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with filter ;
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: to-listeners-with-participant ( message nickname -- )
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listeners-with-participant [ to-listener ] with each ;
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: remove-participant-from-all ( nick -- )
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dup listeners-with-participant [ (remove-participant) ] with each ;
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: notify-rename ( newnick oldnick listener -- )
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[ participant-changed new +nick+ >>action
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[ (>>nick) ] [ (>>parameter) ] [ ] tri ] dip to-listener ;
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: rename-participant ( newnick oldnick listener -- )
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[ participants>> [ delete-at* drop ] [ [ swap ] dip set-at ] bi ]
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[ notify-rename ] 3bi ;
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: rename-participant-in-all ( oldnick newnick -- )
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swap dup listeners-with-participant [ rename-participant ] with with each ;
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: add-participant ( mode nick channel -- )
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listener>
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[ participants>> set-at ]
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[ [ +join+ f <participant-changed> ] dip to-listener ] 2bi ;
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: change-participant-mode ( channel mode nick -- )
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rot listener>
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[ participants>> set-at ]
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[ [ [ +mode+ ] dip <participant-changed> ] dip to-listener ] 3bi ; ! FIXME
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DEFER: me?
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! ======================================
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! IRC client messages
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! ======================================
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: /NICK ( nick -- )
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"NICK " irc-write irc-print ;
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: /LOGIN ( nick -- )
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dup /NICK
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"USER " irc-write irc-write
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" hostname servername :irc.factor" irc-print ;
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: /CONNECT ( server port -- stream )
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irc> connect>> call drop ;
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: /JOIN ( channel password -- )
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"JOIN " irc-write
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[ [ " :" ] dip 3append ] when* irc-print ;
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: /PONG ( text -- )
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"PONG " irc-write irc-print ;
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! ======================================
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! Server message handling
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! ======================================
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GENERIC: forward-name ( irc-message -- name )
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M: join forward-name trailing>> ;
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M: part forward-name channel>> ;
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M: kick forward-name channel>> ;
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M: mode forward-name name>> ;
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M: privmsg forward-name dup name>> me? [ irc-message-sender ] [ name>> ] if ;
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UNION: single-forward join part kick mode privmsg ;
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UNION: multiple-forward nick quit ;
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UNION: broadcast-forward irc-end irc-disconnected irc-connected ;
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GENERIC: forward-message ( irc-message -- )
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M: irc-message forward-message
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+server-listener+ listener> [ to-listener ] [ drop ] if* ;
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M: single-forward forward-message dup forward-name to-listener ;
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M: multiple-forward forward-message
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dup irc-message-sender to-listeners-with-participant ;
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M: broadcast-forward forward-message
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irc> listeners>> values [ to-listener ] with each ;
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GENERIC: process-message ( irc-message -- )
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M: object process-message drop ;
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M: logged-in process-message name>> irc> (>>nick) ;
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M: ping process-message trailing>> /PONG ;
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M: nick-in-use process-message name>> "_" append /NICK ;
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M: join process-message
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[ drop +normal+ ] [ irc-message-sender ] [ trailing>> ] tri
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dup listener> [ add-participant ] [ 3drop ] if ;
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M: part process-message
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[ irc-message-sender ] [ channel>> ] bi remove-participant ;
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M: kick process-message
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[ [ who>> ] [ channel>> ] bi remove-participant ]
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[ dup who>> me? [ unregister-listener ] [ drop ] if ]
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bi ;
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M: quit process-message
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irc-message-sender remove-participant-from-all ;
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M: nick process-message
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[ irc-message-sender ] [ trailing>> ] bi rename-participant-in-all ;
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! M: mode process-message ( mode -- )
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! [ channel-mode? ] keep and [
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! [ name>> ] [ mode>> ] [ parameter>> ] tri
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! [ change-participant-mode ] [ 2drop ] if*
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! ] when* ;
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: >nick/mode ( string -- nick mode )
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dup first "+@" member? [ unclip ] [ 0 ] if participant-mode ;
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: names-reply>participants ( names-reply -- participants )
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trailing>> [ blank? ] trim " " split
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[ >nick/mode 2array ] map >hashtable ;
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M: names-reply process-message
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[ names-reply>participants ] [ channel>> listener> ] bi [
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[ (>>participants) ]
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[ [ f f f <participant-changed> ] dip name>> to-listener ] bi
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] [ drop ] if* ;
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! ======================================
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! Client message handling
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! ======================================
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GENERIC: handle-outgoing-irc ( irc-message -- ? )
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M: irc-end handle-outgoing-irc drop f ;
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M: irc-message handle-outgoing-irc irc-message>client-line irc-print t ;
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! ======================================
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! Reader/Writer
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! ======================================
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: handle-reader-message ( irc-message -- )
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irc> in-messages>> mailbox-put ;
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DEFER: (connect-irc)
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: (handle-disconnect) ( -- )
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irc>
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[ [ irc-disconnected ] dip in-messages>> mailbox-put ]
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[ dup reconnect-time>> sleep (connect-irc) ]
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[ nick>> /LOGIN ]
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tri ;
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! FIXME: do something with the exception, store somewhere to help debugging
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: handle-disconnect ( error -- )
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drop irc> is-running>> [ (handle-disconnect) ] when ;
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: (reader-loop) ( -- ? )
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irc> stream>> [
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|dispose stream-readln [
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parse-irc-line handle-reader-message t
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] [
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irc> terminate-irc f
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] if*
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] with-destructors ;
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: reader-loop ( -- ? )
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[ (reader-loop) ] [ handle-disconnect t ] recover ;
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: writer-loop ( -- ? )
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irc> out-messages>> mailbox-get handle-outgoing-irc ;
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! ======================================
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! Processing loops
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! ======================================
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: in-multiplexer-loop ( -- ? )
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irc> in-messages>> mailbox-get
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[ forward-message ] [ process-message ] [ irc-end? not ] tri ;
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: strings>privmsg ( name string -- privmsg )
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privmsg new [ (>>trailing) ] keep [ (>>name) ] keep ;
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: maybe-annotate-with-name ( name obj -- obj )
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{ { [ dup string? ] [ strings>privmsg ] }
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{ [ dup privmsg instance? ] [ swap >>name ] }
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[ nip ]
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} cond ;
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GENERIC: annotate-message ( listener object -- object )
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M: object annotate-message nip ;
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M: part annotate-message swap name>> >>channel ;
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M: privmsg annotate-message swap name>> >>name ;
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M: string annotate-message [ name>> ] dip strings>privmsg ;
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: spawn-irc ( -- )
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[ reader-loop ] "irc-reader-loop" spawn-server
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[ writer-loop ] "irc-writer-loop" spawn-server
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[ in-multiplexer-loop ] "in-multiplexer-loop" spawn-server
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3drop ;
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GENERIC: (add-listener) ( irc-listener -- )
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M: irc-listener (add-listener)
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[ irc> >>client ] [ name>> ] bi irc> listeners>> set-at ;
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M: irc-server-listener (add-listener)
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irc> >>client +server-listener+ irc> listeners>> set-at ;
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GENERIC: (remove-listener) ( irc-listener -- )
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M: irc-nick-listener (remove-listener)
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name>> unregister-listener ;
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M: irc-channel-listener (remove-listener)
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[ part new annotate-message irc> out-messages>> mailbox-put ] keep
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name>> unregister-listener ;
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M: irc-server-listener (remove-listener)
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drop +server-listener+ unregister-listener ;
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: (connect-irc) ( irc-client -- )
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{
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[ profile>> [ server>> ] [ port>> ] bi /CONNECT ]
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[ (>>stream) ]
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[ t swap (>>is-running) ]
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[ in-messages>> [ irc-connected ] dip mailbox-put ]
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} cleave ;
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: with-irc-client ( irc-client quot: ( -- ) -- )
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[ \ current-irc-client ] dip with-variable ; inline
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PRIVATE>
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: connect-irc ( irc-client -- )
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dup [ [ (connect-irc) ] [ nick>> /LOGIN ] bi spawn-irc ] with-irc-client ;
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: add-listener ( irc-listener irc-client -- )
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swap '[ _ (add-listener) ] with-irc-client ;
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: remove-listener ( irc-listener -- )
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[ client>> ] keep '[ _ (remove-listener) ] with-irc-client ;
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: join-irc-channel ( irc-channel-listener -- )
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dup client>> [ [ name>> ] [ password>> ] bi /JOIN ] with-irc-client ;
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: write-message ( message irc-listener -- )
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[ swap annotate-message ] [ client>> out-messages>> mailbox-put ] bi ;
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: read-message ( irc-listener -- message ) in-messages>> mailbox-get ;
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