C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// package URI::_punycode; use strict; our $VERSION = "0.04"; require Exporter; our @ISA = qw(Exporter); our @EXPORT = qw(encode_punycode decode_punycode); use integer; our $DEBUG = 0; use constant BASE => 36; use constant TMIN => 1; use constant TMAX => 26; use constant SKEW => 38; use constant DAMP => 700; use constant INITIAL_BIAS => 72; use constant INITIAL_N => 128; my $Delimiter = chr 0x2D; my $BasicRE = qr/[\x00-\x7f]/; sub _croak { require Carp; Carp::croak(@_); } sub digit_value { my $code = shift; return ord($code) - ord("A") if $code =~ /[A-Z]/; return ord($code) - ord("a") if $code =~ /[a-z]/; return ord($code) - ord("0") + 26 if $code =~ /[0-9]/; return; } sub code_point { my $digit = shift; return $digit + ord('a') if 0 <= $digit && $digit <= 25; return $digit + ord('0') - 26 if 26 <= $digit && $digit <= 36; die 'NOT COME HERE'; } sub adapt { my($delta, $numpoints, $firsttime) = @_; $delta = $firsttime ? $delta / DAMP : $delta / 2; $delta += $delta / $numpoints; my $k = 0; while ($delta > ((BASE - TMIN) * TMAX) / 2) { $delta /= BASE - TMIN; $k += BASE; } return $k + (((BASE - TMIN + 1) * $delta) / ($delta + SKEW)); } sub decode_punycode { my $code = shift; my $n = INITIAL_N; my $i = 0; my $bias = INITIAL_BIAS; my @output; if ($code =~ s/(.*)$Delimiter//o) { push @output, map ord, split //, $1; return _croak('non-basic code point') unless $1 =~ /^$BasicRE*$/o; } while ($code) { my $oldi = $i; my $w = 1; LOOP: for (my $k = BASE; 1; $k += BASE) { my $cp = substr($code, 0, 1, ''); my $digit = digit_value($cp); defined $digit or return _croak("invalid punycode input"); $i += $digit * $w; my $t = ($k <= $bias) ? TMIN : ($k >= $bias + TMAX) ? TMAX : $k - $bias; last LOOP if $digit < $t; $w *= (BASE - $t); } $bias = adapt($i - $oldi, @output + 1, $oldi == 0); warn "bias becomes $bias" if $DEBUG; $n += $i / (@output + 1); $i = $i % (@output + 1); splice(@output, $i, 0, $n); warn join " ", map sprintf('%04x', $_), @output if $DEBUG; $i++; } return join '', map chr, @output; } sub encode_punycode { my $input = shift; my @input = split //, $input; my $n = INITIAL_N; my $delta = 0; my $bias = INITIAL_BIAS; my @output; my @basic = grep /$BasicRE/, @input; my $h = my $b = @basic; push @output, @basic; push @output, $Delimiter if $b && $h < @input; warn "basic codepoints: (@output)" if $DEBUG; while ($h < @input) { my $m = min(grep { $_ >= $n } map ord, @input); warn sprintf "next code point to insert is %04x", $m if $DEBUG; $delta += ($m - $n) * ($h + 1); $n = $m; for my $i (@input) { my $c = ord($i); $delta++ if $c < $n; if ($c == $n) { my $q = $delta;