0  649U=o1+G$Ȇ*"r|e5#R* CTQ~oK)I |gWQDHA@b4n`tnjD#ԀcYmzr (LpcKG >41!ҚN,V9w%w Ntpp_ 7$ev$"+ j\U:\)m+ĦpC7 x KeK 8g5Uо4PXXV3cwjAc-$Mɐ6@@3=_,-w/yڢȶ YY79\C]Ӂ͍S:X)"N4eG$;2門׏6,WBnbzhǖFy<o.M.OdĖTm/Ezmzfc}Jgcs|gOk܊2ʺji6L7݊m+ohn>^o<[zr.&B,%bAs5IHLX b飛,/dMP?w<+# L>n?[bNlY>TXqTţ i_ub &=LV[(aa jh8eLZ71package Encode::Alias; use strict; use warnings; our $VERSION = do { my @r = ( q$Revision: 2.24 $ =~ /\d+/g ); sprintf "%d." . "%02d" x $#r, @r }; use constant DEBUG => !!$ENV{PERL_ENCODE_DEBUG}; use Exporter 'import'; # Public, encouraged API is exported by default our @EXPORT = qw ( define_alias find_alias ); our @Alias; # ordered matching list our %Alias; # cached known aliases sub find_alias { my $class = shift; my $find = shift; unless ( exists $Alias{$find} ) { $Alias{$find} = undef; # Recursion guard for ( my $i = 0 ; $i < @Alias ; $i += 2 ) { my $alias = $Alias[$i]; my $val = $Alias[ $i + 1 ]; my $new; if ( ref($alias) eq 'Regexp' && $find =~ $alias ) { DEBUG and warn "eval $val"; $new = eval $val; DEBUG and $@ and warn "$val, $@"; } elsif ( ref($alias) eq 'CODE' ) { DEBUG and warn "$alias", "->", "($find)"; $new = $alias->($find); } elsif ( lc($find) eq lc($alias) ) { $new = $val; } if ( defined($new) ) { next if $new eq $find; # avoid (direct) recursion on bugs DEBUG and warn "$alias, $new"; my $enc = ( ref($new) ) ? $new : Encode::find_encoding($new); if ($enc) { $Alias{$find} = $enc; last; } } } # case insensitive search when canonical is not in all lowercase # RT ticket #7835 unless ( $Alias{$find} ) { my $lcfind = lc($find); for my $name ( keys %Encode::Encoding, keys %Encode::ExtModule ) { $lcfind eq lc($name) or next; $Alias{$find} = Encode::find_encoding($name); DEBUG and warn "$find => $name"; } } } if (DEBUG) { my $name; if ( my $e = $Alias{$find} ) { $name = $e->name; } else { $name = ""; } warn "find_alias($class, $find)->name = $name"; } return $Alias{$find}; } sub define_alias { while (@_) { my $alias = shift; my $name = shift; unshift( @Alias, $alias => $name ) # newer one has precedence if defined $alias; if ( ref($alias) ) { # clear %Alias cache to allow overrides my @a = keys %Alias; for my $k (@a) { if ( ref($alias) eq 'Regexp' && $k =~ $alias ) { DEBUG and warn "delete \$Alias\{$k\}"; delete $Alias{$k}; } elsif ( ref($alias) eq 'CODE' && $alias->($k) ) { DEBUG and warn "delete \$Alias\{$k\}"; delete $Alias{$k}; } } } elsif (defined $alias) { DEBUG and warn "delete \$Alias\{$alias\}"; delete $Alias{$alias}; } elsif (DEBUG) { require Carp; Carp::croak("undef \$alias"); } } } # HACK: Encode must be used after define_alias is declarated as Encode calls define_alia