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package provide pre8.5 8.4
proc lremove {args} {
array set opts {-all 0 pattern -exact}
while {[string match -* [lindex $args 0]]} {
switch -glob -- [lindex $args 0] {
-a* { set opts(-all) 1 }
-g* { set opts(pattern) -glob }
-r* { set opts(pattern) -regexp }
-- { set args [lreplace $args 0 0]; break }
default {return -code error "unknown option \"[lindex $args 0]\""}
}
set args [lreplace $args 0 0]
}
set l [lindex $args 0]
foreach i [join [lreplace $args 0 0]] {
if {[set ix [lsearch $opts(pattern) $l $i]] == -1} continue
set l [lreplace $l $ix $ix]
if {$opts(-all)} {
while {[set ix [lsearch $opts(pattern) $l $i]] != -1} {
set l [lreplace $l $ix $ix]
}
}
}
return $l
}
if {![llength [info commands dict]]} {
proc lassign {list args} {
foreach elem $list varName $args {
upvar 1 $varName var
set var $elem
}
}
proc dict {cmd args} {
uplevel 1 [linsert $args 0 _dict_$cmd]
}
proc _dict_get {dv args} {
if {![llength $args]} {return $dv} else {
array set dvx $dv
set key [lindex $args 0]
set dv $dvx($key)
set args [lrange $args 1 end]
return [eval [linsert $args 0 _dict_get $dv]]
}
}
proc _dict_exists {dv key args} {
array set dvx $dv
set r [info exists dvx($key)]
if {!$r} {return 0}
if {[llength $args]} {
return [eval [linsert $args 0 _dict_exists $dvx($key) ]]
} else {return 1}
}
proc _dict_set {dvar key value args } {
upvar 1 $dvar dv
if {![info exists dv]} {set dv [list]}
array set dvx $dv
if {![llength $args]} {
set dvx($key) $value
} else {
eval [linsert $args 0 _dict_set dvx($key) $value]
}
set dv [array get dvx]
}
proc _dict_unset {dvar key args} {
upvar 1 $dvar mydvar
if {![info exists mydvar]} {return}
array set dv $mydvar
if {![llength $args]} {
if {[info exists dv($key)]} {
unset dv($key)
}
} else {
eval [linsert $args 0 _dict_unset dv($key) ]
}
set mydvar [array get dv]
return {}
}
proc _dict_keys {dv {pat *}} {
array set dvx $dv
return [array names dvx $pat]
}
proc _dict_append {dvar key {args}} {
upvar 1 $dvar dv
if {![info exists dv]} {set dv [list]}
array set dvx $dv
eval [linsert $args 0 append dvx($key) ]
set dv [array get dvx]
}
proc _dict_create {args} {
return $args
}
proc _dict_filter {dv ftype args} {
set r [list]
foreach {globpattern} $args {break}
foreach {varlist script} $args {break}
switch $ftype {
key {
foreach {key value} $dv {
if {[string match $globpattern $key]} {
lappend r $key $value
}
}
}
value {
foreach {key value} $dv {
if {[string match $globpattern $value]} {
lappend r $key $value
}
}
}
script {
foreach {Pkey Pval} $varlist {break}
upvar 1 $Pkey key $Pval value
foreach {key value} $dv {
if {[uplevel 1 $script]} {
lappend r $key $value
}
}
}
default {
error "Wrong filter type"
}
}
return $r
}
proc _dict_for {kv dict body} {
uplevel 1 [list foreach $kv $dict $body]
}
proc _dict_incr {dvar key {incr 1}} {
upvar 1 $dvar dv
if {![info exists dv]} {set dv [list]}
array set dvx $dv
if {![info exists dvx($key)]} {set dvx($key) 0}
incr dvx($key) $incr
set dv [array get dvx]
}
proc _dict_info {dv} {
return "Dictionary is represented as plain list"
}
proc _dict_lappend {dvar key args} {
upvar 1 $dvar dv
if {![info exists dv]} {set dv [list]}
array set dvx $dv
eval [linsert $args 0 lappend dvx($key)]
set dv [array get dvx]
}
proc _dict_merge {args} {
foreach dv $args {
array set dvx $dv
}
array get dvx
}
proc _dict_replace {dv args} {
foreach {k v} $args {
_dict_set dv $k $v
}
return $dv
}
proc _dict_remove {dv args} {
foreach k $args {
_dict_unset dv $k
}
return $dv
}
proc _dict_size {dv} {
return [expr {[llength $dv]/2}]
}
proc _dict_values {dv {gp *}} {
set r [list]
foreach {k v} $dv {
if {[string match $gp $v]} {
lappend r $v
}
}
return $r
}
proc _dict_update {dvar args} {
set name [string map {: {} ( {} ) {}} $dvar]
upvar 1 $dvar dv
upvar 1 _my_dict_array$name local
array set local $dv
foreach {k v} [lrange $args 0 end-1] {
if {[info exists local($k)]} {
if {![uplevel 1 [list info exists $v]]} {
uplevel 1 [list upvar 0 _my_dict_array${name}($k) $v]
} else {
uplevel 1 [list set $v $local($k)]
}
}
}
set code [catch {uplevel 1 [lindex $args end]} res]
foreach {k v} [lrange $args 0 end-1] {
if {[uplevel 1 [list info exists $v]]} {
set local($k) [uplevel 1 [list set $v]]
} else {
unset -nocomplain local($k)
}
}
set dv [array get local]
unset local
return -code $code $res
}
}
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