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############################################################################
# routines to create structures in tcl, and get & set fields.
############################################################################
global St_
# This line taken out since auto-pathing should now be in place
# (Mark 9/21/94)
# source unique.tcl
proc St_create {keylist args} {
global St_
if {[llength $keylist] == 0} {
return
} else {
set token [unique index]
set St_($token) [concat [list $keylist] $args]
return $token
}
}
proc St_set {token key val} {
global St_
if {[catch {set St_($token)}] == 0} {
if {[llength $St_($token)] >= 2} {
set index [lsearch [lindex $St_($token) 0] $key]
if {$index >= 0} {
if {[llength $St_($token)] >= $index} {
incr index
set St_($token) [lreplace $St_($token) $index $index $val]
return $index
}
}
}
}
return
}
proc St_get {token key} {
global St_
if {[catch {set St_($token)}] == 0} {
if {[llength $St_($token)] >= 2} {
set index [lsearch [lindex $St_($token) 0] $key]
if {$index >= 0} {
if {[llength $St_($token)] >= $index} {
incr index
return [lindex $St_($token) $index]
}
}
}
}
return
}
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