+ nick_securitycheck 1
+}
+
+proc def_chancmd {name body} {
+ proc channel/$name {} \
+ " upvar 1 target chan; upvar 1 n n; upvar 1 text text; $body"
+}
+
+proc ta_listop {findnow procvalue} {
+ # findnow and procvalue are code fragments which will be executed
+ # in the caller's level. findnow should set ta_listop_ev to
+ # the current list, and procvalue should treat ta_listop_ev as
+ # a proposed value in the list and check and possibly modify
+ # (canonicalise?) it. After ta_listop, ta_listop_ev will
+ # be the new value of the list.
+ upvar 1 ta_listop_ev exchg
+ upvar 1 text text
+ set opcode [ta_word]
+ switch -exact _$opcode {
+ _= { }
+ _+ - _- {
+ uplevel 1 $findnow
+ foreach item $exchg { set array($item) 1 }
+ }
+ default {
+ error "list change opcode must be one of + - ="
+ }
+ }
+ foreach exchg [split $text " "] {
+ if {![string length $exchg]} continue
+ uplevel 1 $procvalue
+ if {"$opcode" != "-"} {
+ set array($exchg) 1
+ } else {
+ catch { unset array($exchg) }
+ }
+ }
+ set exchg [lsort [array names array]]
+}
+
+def_chancmd manager {
+ ta_listop {
+ if {[chandb_exists $chan]} {
+ set ta_listop_ev [chandb_get $chan managers]
+ } else {
+ set ta_listop_ev [list [irctolower $n]]
+ }
+ } {
+ check_nick $ta_listop_ev
+ set ta_listop_ev [irctolower $ta_listop_ev]
+ }
+ if {[llength $ta_listop_ev]} {
+ chandb_set $chan managers $ta_listop_ev
+ ucmdr "Managers of $chan: $ta_listop_ev" {}
+ } else {
+ chandb_delete $chan
+ ucmdr {} {} "forgets about managing $chan." {}
+ }
+}
+
+def_chancmd autojoin {
+ set yesno [ta_word]
+ switch -exact [string tolower $yesno] {
+ no { set nv 0 }
+ yes { set nv 1 }
+ default { error "channel autojoin must be `yes' or `no' }
+ }
+ chandb_set $chan autojoin $nv
+ ucmdr [expr {$nv ? "I will join $chan when I'm restarted " : \
+ "I won't join $chan when I'm restarted "}] {}
+}
+
+def_chancmd userinvite {
+ set nv [string tolower [ta_word]]
+ switch -exact $nv {
+ pub { set txt "!invite will work for $chan, but it won't work by /msg" }
+ here { set txt "!invite and /msg invite will work, but only for users who are already on $chan." }
+ all { set txt "Any user will be able to invite themselves or anyone else to $chan." }
+ none { set txt "I will not invite anyone to $chan." }
+ default {
+ error "channel userinvite must be `pub', `here', `all' or `none'
+ }
+ }
+ chandb_set $chan userinvite $nv
+ ucmdr $txt {}
+}
+
+def_chancmd topic {
+ set what [ta_word]
+ switch -exact $what {
+ leave {
+ ta_nomore
+ chandb_set $chan topicset {}
+ ucmdr "I won't ever change the topic of $chan." {}
+ }
+ set {
+ set t [string trim $text]
+ if {![string length $t]} {
+ error "you must specific the topic to set"
+ }
+ chandb_set $chan topicset $t
+ ucmdr "Whenever I'm alone on $chan, I'll set the topic to $t." {}
+ }
+ see - tell {
+ ta_listop {
+ set ta_listop_ev [chandb_get $chan topic$what]
+ } {
+ if {"$ta_listop_ev" != "*"} {
+ if {![ischan $ta_listop_ev]} {
+ error "bad channel \`$ta_listop_ev' in topic $what"
+ }
+ set ta_listop_ev [irctolower $ta_listop_ev]
+ }
+ }
+ chandb_set $chan topic$what $ta_listop_ev
+ ucmdr "Topic $what list for $chan: $ta_listop_ev" {}
+ }
+ default {
+ usererror "Unknown channel topic subcommand - see help channel."
+ }
+ }
+}
+
+def_chancmd mode {
+ set mode [ta_word]
+ if {"$mode" != "*" && ![regexp {^(([-+][imnpst]+)+)$} $mode mode]} {
+ error {channel mode must be * or match ([-+][imnpst]+)+}
+ }
+ chandb_set $chan mode $mode
+ if {"$mode" == "*"} {
+ ucmdr "I won't ever change the mode of $chan." {}
+ } else {
+ ucmdr "Whenever I'm alone on $chan, I'll set the mode to $mode." {}
+ }
+}
+
+def_chancmd show {
+ if {[chandb_exists $chan]} {
+ set l "Settings for $chan: autojoin "
+ append l [lindex {no yes} [chandb_get $chan autojoin]]
+ append l ", mode " [chandb_get $chan mode]
+ append l ", userinvite " [chandb_get $chan userinvite] "."
+ append l "\nManagers: "
+ append l [join [chandb_get $chan managers] " "]
+ foreach {ts sep} {see "\n" tell " "} {
+ set t [chandb_get $chan topic$ts]
+ append l $sep
+ if {[llength $t]} {
+ append l "Topic $ts list: $t."
+ } else {
+ append l "Topic $ts list is empty."
+ }
+ }
+ append l "\n"
+ set t [chandb_get $chan topicset]
+ if {[string length $t]} {
+ append l "Topic to set: $t"
+ } else {
+ append l "I will not change the topic."
+ }
+ ucmdr {} $l
+ } else {
+ ucmdr {} "The channel $chan is not managed."
+ }
+}
+
+proc channelmgr_monoop {} {
+ upvar 1 dest dest
+ upvar 1 text text
+ upvar 1 n n
+ upvar 1 p p
+ upvar 1 target target
+ global chan_nicks
+
+ prefix_nick
+
+ if {[ischan $dest]} { set target $dest }
+ if {[ta_anymore]} { set target [ta_word] }
+ ta_nomore
+ if {![info exists target]} {
+ usererror "You must specify, or invoke me on, the relevant channel."
+ }
+ if {![info exists chan_nicks([irctolower $target])]} {
+ usererror "I am not on $target."
+ }
+ if {![ischan $target]} { error "not a valid channel" }
+
+ if {![chandb_exists $target]} {
+ usererror "$target is not a managed channel."
+ }
+ channel_securitycheck $target
+}
+
+def_ucmd op {
+ channelmgr_monoop
+ sendout MODE $target +o $n
+}
+
+def_ucmd leave {
+ channelmgr_monoop
+ doleave $target
+}
+
+def_ucmd invite {
+ global chan_nicks errorCode errorInfo
+ prefix_nick
+
+ if {[ischan $dest]} {
+ set target $dest
+ set onchan 1
+ } else {
+ set target [ta_word]
+ set onchan 0
+ }
+ set ltarget [irctolower $target]
+ if {![ischan $target]} { error "$target is not a channel" }
+ if {![info exists chan_nicks($ltarget)]} {
+ usererror "I am not on $target."
+ }
+ set ui [chandb_get $ltarget userinvite]
+ if {[catch {
+ if {"$ui" == "pub" && !$onchan} {
+ usererror "Invitations to $target must be made there with !invite."
+ }
+ if {"$ui" != "all"} {
+ if {[lsearch -exact $chan_nicks($ltarget) [irctolower $n]] < 0} {
+ usererror "Invitations to $target may only be made\
+ by a user on the channel."
+ }
+ }
+ if {"$ui" == "none"} {
+ usererror "Sorry, I've not been authorised\
+ to invite people to $target."
+ }
+ } emsg]} {
+ if {"$errorCode" == "BLIGHT USER" && [channel_ismanager $target $n]} {
+ if {[catch {
+ nick_securitycheck 1
+ } emsg2]} {
+ if {"$errorCode" == "BLIGHT USER"} {
+ usererror "$emsg2 Therefore you can't use your\
+ channel manager privilege. $emsg"
+ } else {
+ error $error $errorInfo $errorCode
+ }
+ }
+ } else {
+ error $emsg $errorInfo $errorCode
+ }
+ }
+ if {![ta_anymore]} {
+ usererror "You have to say who to invite."
+ }
+ set invitees {}
+ while {[ta_anymore]} {
+ set invitee [ta_word]
+ check_nick $invitee
+ lappend invitees $invitee
+ }
+ foreach invitee $invitees {
+ sendout INVITE $invitee $ltarget
+ }
+ set who [lindex $invitees 0]
+ switch -exact llength $invitees {
+ 0 { error "zero invitees" }
+ 1 { }
+ 2 { append who " and [lindex $invitees 1]" }
+ * {
+ set who [join [lreplace $invitees end end] ", "]
+ append who " and [lindex $invitees [llength $invitees]]"
+ }
+ }
+ ucmdr {} {} {} "invites $who to $target."
+}
+
+def_ucmd channel {
+ if {[ischan $dest]} { set target $dest }
+ if {![ta_anymore]} {
+ set subcmd show
+ } else {
+ set subcmd [ta_word]
+ }
+ if {[ischan $subcmd]} {
+ set target $subcmd
+ if {![ta_anymore]} {
+ set subcmd show
+ } else {
+ set subcmd [ta_word]
+ }
+ }
+ if {![info exists target]} { error "privately, you must specify a channel" }
+ set procname channel/$subcmd
+ if {"$subcmd" != "show"} {
+ if {[catch { info body $procname }]} {
+ usererror "unknown channel setting $subcmd."
+ }
+ prefix_nick
+ if {[chandb_exists $target]} {
+ channel_securitycheck $target
+ } else {
+ nick_securitycheck 1
+ upvar #0 chan_initialop([irctolower $target]) io
+ upvar #0 nick_unique([irctolower $n]) u
+ if {![info exists io]} {
+ usererror "$target is not a managed channel."
+ }
+ if {"$io" != "$u"} {
+ usererror "You are not the interim manager of $target."
+ }
+ if {"$subcmd" != "manager"} {
+ usererror "Please use `channel manager' first."
+ }
+ }
+ }
+ channel/$subcmd
+}
+
+def_ucmd who {
+ if {[ta_anymore]} {
+ set target [ta_word]; ta_nomore
+ set myself 1
+ } else {
+ prefix_nick
+ set target $n
+ set myself [expr {"$target" != "$n"}]
+ }
+ set ltarget [irctolower $target]
+ upvar #0 nick_case($ltarget) ctarget
+ set nshow $target
+ if {[info exists ctarget]} {
+ upvar #0 nick_onchans($ltarget) oc
+ upvar #0 nick_username($ltarget) nu
+ if {[info exists oc]} { set nshow $ctarget }
+ }
+ if {![nickdb_exists $ltarget]} {
+ set ol "$nshow is not a registered nick."
+ } elseif {[string length [set username [nickdb_get $target username]]]} {
+ set ol "The nick $nshow belongs to the user $username."
+ } else {
+ set ol "The nick $nshow is registered (but not to a username)."
+ }
+ if {![info exists ctarget] || ![info exists oc]} {
+ if {$myself} {
+ append ol "\nI can't see $nshow on anywhere."
+ } else {
+ append ol "\nYou aren't on any channels with me."
+ }
+ } elseif {![info exists nu]} {
+ append ol "\n$nshow has not identified themselves."
+ } elseif {![info exists username]} {
+ append ol "\n$nshow has identified themselves as the user $nu."
+ } elseif {"$nu" != "$username"} {
+ append ol "\nHowever, $nshow is being used by the user $nu."
+ } else {
+ append ol "\n$nshow has identified themselves to me."
+ }
+ ucmdr {} $ol