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# Preprocessor
#
# General message munging component.
#
# $Revision: 1.3 $
namespace eval preproc {
regexp -- {[0-9]+\.[0-9]+} {@(#)TiK Preprocessor component $Revision: 1.3 $} \
::preproc::VERSION
regexp -- { .* } {:$Date: 2000/11/04 03:03:22 $} \
::preproc::VERSDATE
}
tik_default_set options,usepreproc 1 ;# Use preprocessing on messages
namespace eval preproc {
variable info
variable filters
namespace export load unload goOnline goOffline
proc load {} {
tik_register_filter * IM_IN preproc::IM_IN
tik_register_filter * IM_OUT preproc::IM_OUT
tik_register_filter * CHAT_IN preproc::CHAT_IN
tik_register_filter * CHAT_OUT preproc::CHAT_OUT
menu .preprocMenu -tearoff 0
.confMenu add cascade -label [tik_str M_PREPROC] -menu .preprocMenu
.preprocMenu add checkbutton -label [tik_str M_PREPROC_USE] \
-onvalue 1 -offvalue 0 -variable ::TIK(options,usepreproc)
}
proc unload {} {
tik_unregister_filter * IM_IN preproc::IM_IN
tik_unregister_filter * IM_OUT preproc::IM_OUT
tik_unregister_filter * CHAT_IN preproc::CHAT_IN
tik_unregister_filter * CHAT_OUT preproc::CHAT_OUT
.confMenu delete [tik_str M_PREPROC]
destroy .preprocMenu
unregister_all *
}
proc goOnline {} {
}
proc goOffline {} {
}
# preproc::register
# connName = $::SCREENNAME or *
# type = OUT, IN, IM_IN, IM_OUT, CHAT_IN, CHAT_OUT
# code = name of filter function
# comments = optional comments explaining filter
proc register {connName type code {comments ""}} {
if {$connName != "*"} {
set connName [normalize $connName]
}
if {$type == "OUT"} {
lappend preproc::filters($connName,IM_OUT) $code
lappend preproc::filters($connName,CHAT_OUT) $code
} elseif {$type == "IN"} {
lappend preproc::filters($connName,IM_IN) $code
lappend preproc::filters($connName,CHAT_IN) $code
} else {
lappend preproc::filters($connName,$type) $code
}
if {$comments != ""} {
set preproc::filters($connName,$type,$code) $comments
}
}
proc unregister {connName type code} {
if {$connName != "*"} {
set connName [normalize $connName]
}
set preproc::filters($connName,$type,$code) ""
set i [lsearch -exact $preproc::filters($connName,$type) $code]
if {$i != -1} {
set preproc::filters($connName,$type) \
[lreplace $preproc::filters($connName,$type) $i $i]
}
}
proc unregister_all {connName} {
if {$connName != "*"} {
set connName [normalize $connName]
} else {
set connName "\\\*"
}
foreach i [array names preproc::filters "$connName,*"] {
unset filters($i)
}
}
proc getFilterList {connName func} {
if {[catch {set all $preproc::filters(*,$func)}] != 0} {
set all [list]
}
if {![catch {set l $preproc::filters($connName,$func)}] } {
return [concat $all $l]
}
return $all
}
proc filter_msg {connName type msg args} {
set funcs [getFilterList $connName $type]
foreach munge $funcs {
set msg [$munge $msg $args]
}
return $msg
}
proc IM_IN {connName msg args} {
set xmsg [string trim $msg]
if {!$::TIK(options,usepreproc)} {
return $xmsg
}
return [filter_msg $connName IM_IN $xmsg $args]
}
proc IM_OUT {connName msg args} {
set xmsg [string trim $msg]
if {!$::TIK(options,usepreproc)} {
return $xmsg
}
return [filter_msg $connName IM_OUT $xmsg $args]
}
proc CHAT_IN {connName msg id args} {
set xmsg [string trim $msg]
if {!$::TIK(options,usepreproc)} {
return $xmsg
}
return [filter_msg $connName CHAT_IN $xmsg $id $args]
}
proc CHAT_OUT {connName msg id args} {
set xmsg [string trim $msg]
if {!$::TIK(options,usepreproc)} {
return $xmsg
}
return [filter_msg $connName CHAT_OUT $xmsg $id $args]
}
}
proc filter_default {xmsg id args} {
set msg [string trim $xmsg]
if {!$::TIK(options,usepreproc)} {
return $msg
}
if {[regexp -nocase -- {(/[a-z0-9]+)} $msg]} {
if {[info exists ::TIK(bcastavail)]} {
if {[regexp -nocase -- {^/b.*cast\s+(.+)$} $msg match mymsg]} {
bcast::broadcast $mymsg
set msg ""
}
}
if {[regexp -nocase -- {^/(lit|literal|pre)\s(.+)$} $msg match match mymsg]} {
return $mymsg
} elseif {[regexp -nocase -- {^/msg\s+([[:alnum:]]+)\s+(.+)$} $msg match nick mymsg]} {
toc_send_im $::NSCREENNAME [normalize $nick] $mymsg
set msg ""
} elseif {[regexp -nocase -- {^/eval\s+(.+)$} $msg match mymsg]} {
eval $mymsg
set msg ""
} elseif {[regexp -nocase -- {^/(exec|local)\s+(.+)$} $msg match match mymsg]} {
catch {eval exec $mymsg} msg
} elseif {[regexp -nocase -- {^/rot([0-9]*)\s+(.+)$} $msg match n mymsg]} {
if {[string length $n] == 0} {
set msg [rot13 $mymsg]
} else {
set msg [rotn $n $mymsg]
}
} elseif {[regexp -nocase -- {^/nick\s+(.+)$} $msg match mymsg]} {
toc_format_nickname $::NSCREENNAME $mymsg
set msg ""
} elseif {($id != -1) && [regexp -nocase -- {^/ignore\s+(.+)$} $msg match mymsg]} {
p_tik_ignore $id $mymsg
set msg ""
} elseif {[regexp -nocase -- {^/ignore\s+.+$} $msg]} {
set msg ""
} elseif {[regexp -nocase -- {^/(crazy|eleet|lame)\s+(.+)$} $msg match match mymsg]} {
set msg [lame $mymsg]
} elseif {[regexp -nocase -- {^/(bw|rev)\s+(.+)$} $msg match match mymsg]} {
set msg [strrev $mymsg]
} elseif {[regexp -nocase -- {^/passw(or)?d\s+([^\s]+)\s+([^\s]+)$} $msg match match oldp newp]} {
toc_change_passwd $::NSCREENNAME $oldp $newp
set msg ""
# } elseif {[regexp -nocase -- {^/warn[ ]+.+$} $msg]} {
# regsub -nocase -- {^/warn[ ]+(.+)$} $msg {\1} mymsg
# if { $id != -1 } {
# toc_chat_evil $::NSCREENNAME $id [normalize $mymsg] "anon"
# }
# set msg ""
} elseif {[regexp -nocase -- {^/away\s+(.+)$} $msg match awaymsg]} {
catch {away::set_away $awaymsg}
set msg ""
} elseif {[regexp -nocase -- {^/(away|back)$} $msg]} {
catch {away::back}
set msg ""
} elseif {[regexp -nocase -- {^/(fortune|yow)$} $msg]} {
set msg [eval exec $::TIK(options,fortuneprog)]
return $msg
} elseif {[regexp -nocase -- {^/(fortune|yow)\s+(.+)$} $msg match match mymsg]} {
set msg [eval exec $::TIK(options,fortuneprog) $mymsg]
return $msg
} elseif {[regexp -nocase -- {^/(lookup|dict|webster|word|define)\s+(.+)$} $msg match match mymsg]} {
set msg [eval exec $::TIK(options,websterprog) $mymsg]
return $msg
} elseif {[regexp -nocase -- {^/url\s+([^\s]+)\s*([^\s]*)} $msg match url anchor]} {
if {[string length $anchor] == 0} {
set msg "<a href=\"$url\">$url</a>"
} else {
set msg "<a href=\"$url\">$anchor</a>"
}
return $msg
} elseif {[regexp -nocase -- {^/exit$} $msg]} {
tik_signoff
exit
} elseif {[regexp -nocase -- {^/brb$} $msg]} {
catch {away::set_away "brb"}
set msg ""
} elseif {[regexp -nocase -- {^/signoff} $msg]} {
tik_signoff
set msg ""
}
regsub -nocase -all -- {^/time|(\s)/time} $msg "\\1[clock format [clock seconds] -format "%H:%M:%S"]" msg
regsub -nocase -all -- {^/date|(\s)/date} $msg "\\1[clock format [clock seconds] -format "%b %d, %Y"]" msg
regsub -nocase -all -- {^/day|(\s)/day} $msg "\\1[clock format [clock seconds] -format "%A"]" msg
regsub -nocase -- {^/me} $msg "<-" msg
regsub -nocase -all -- {(\s)/me} $msg "\\1$::SCREENNAME" msg
}
set temp [list]
foreach line [split $msg \n] {
set templine [list]
foreach c [split $line] {
if {![regexp -nocase -- {href} $c]} {
regsub -nocase -- {^(mailto|http|https|ftp|gopher|news|file|rlogin|telnet|nntp|tn3270)(:[^\s]+)} $c {<a href="\1\2">\1\2</a>} c
regsub -nocase -- {^(ftp|news|gopher)\.([-[:alnum:]]+\.)+(com|org|net|edu|gov|mil|[[:alpha:]]{2})(\/.*)?$} $c {<a href="\1://\0">\0</a>} c
regsub -nocase -- {^(ftp|news|gopher)\.([-[:alnum:]]+\.)+(com|org|net|edu|gov|mil|[[:alpha:]]{2})([^\w])} $c {<a href="\1://\1.\2\3">\1.\2\3</a>\4} c
regsub -nocase -- {^([-[:alnum:]]+\.)+(com|org|net|edu|gov|mil|[[:alpha:]]{2})(\/.*)?$} $c {<a href="http://\0">\0</a>} c
regsub -nocase -- {^(([-[:alnum:]]+\.)+)(com|org|net|edu|gov|mil|[[:alpha:]]{2})([^\w])} $c {<a href="http://\1\3">\1\3</a>\4} c
regsub -- {^[-\w\.]+\@[-[:alnum:]\.]+} $c {<a href="mailto:\0">\0</a>} c
}
regsub -all -- {\\n} $c "<br>" c
lappend templine $c
}
set templine [join $templine]
lappend temp $templine
}
set msg [join $temp \n]
return $msg
}
# set filter_default_comments {
# These are the original default preprocessor filters
# }
# preproc::register * OUT filter_default $filter_default_comments
preproc::register * OUT filter_default
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