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# This code can be redistributed and modified under the terms of the GNU Affero |
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# General Public License as published by the Free Software Foundation, either |
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# version 3 of the License, or (at your option) any later version. |
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# See the "COPYING" file for details. |
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package HTML::Blitz::CodeGen; |
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use HTML::Blitz::pragma; |
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use HTML::Blitz::Atom qw( |
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OP_RAW |
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OP_VAR |
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OP_VAR_QQ |
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OP_VAR_HTML |
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OP_VAR_SCRIPT |
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OP_VAR_STYLE |
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OP_CALL |
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OP_CALL_QQ |
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OP_CALL_SCRIPT |
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OP_CALL_STYLE |
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OP_MANGLE_ATTR |
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OP_LOOP |
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OP_COND |
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8923
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); |
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use Carp qw(croak); |
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565
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use constant { |
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_REPR_VERSION => 1, |
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MAX_NESTED_CONCAT => 100, |
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}; |
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our $VERSION = '0.07'; |
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290
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33
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290
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0
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627
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method new($class: :$_scope = 0, :$name = undef) { |
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1190
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290
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100
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480
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290
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716
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290
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670
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290
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521
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290
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685
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290
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392
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290
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100
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bless { |
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name => defined($name) ? "$name" : undef, |
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depth => $_scope, |
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code => [ |
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{ type => OP_RAW, str => '' }, |
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], |
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}, $class |
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} |
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1
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1
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0
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method FREEZE($model) { |
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50
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1
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3
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1
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1
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2
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1
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my @todo = [$self, \my @code]; |
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1
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while (@todo) { |
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my ($object, $target) = @{pop @todo}; |
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4
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@$target = @{$object->{code}}; |
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4
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for my $op (@$target) { |
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100
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100
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if ($op->{type} eq OP_LOOP || $op->{type} eq OP_COND) { |
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3
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my $body = $op->{body}; |
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3
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push @todo, [$body, my $ref = []]; |
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3
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$op = { %$op, body => [$body->{depth}, $ref] }; |
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3
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100
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if ($model eq 'JSON' && $op->{type} eq OP_COND) { |
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2
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100
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$op->{names} = [map ref($_->[1]) eq 'SCALAR' ? [$_->[0], [${$_->[1]}]] : $_, @{$op->{names}}]; |
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2
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53
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} |
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} |
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} |
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} |
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1
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_REPR_VERSION, [$self->{depth}, \@code, $self->{name}] |
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} |
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1
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1
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0
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method THAW($class: $model, $repr_version, $components) { |
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1
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2
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$repr_version <= _REPR_VERSION |
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or croak "Cannot deserialize data format $repr_version with $class v$VERSION, which only supports data format " . _REPR_VERSION; |
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my @todo = ['init', \my $self, @$components]; |
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while (@todo) { |
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my ($type, $ref, $depth, $code, $name) = @{pop @todo}; |
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66
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100
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if ($type eq 'exit') { |
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my $obj = $class->new(_scope => $depth, name => $name); |
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$obj->{code} = $code; |
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$$ref = $obj; |
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next; |
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} |
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$type eq 'init' |
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or die "Internal error: bad THAW stack type '$type'"; |
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push @todo, ['exit', $ref, $depth, $code, $name]; |
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4
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for my $op (@$code) { |
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100
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100
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if ($op->{type} eq OP_LOOP || $op->{type} eq OP_COND) { |
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3
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100
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if ($model eq 'JSON' && $op->{type} eq OP_COND) { |
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100
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$op->{names} = [map ref($_->[1]) eq 'ARRAY' ? [$_->[0], \$_->[1][0]] : $_, @{$op->{names}}]; |
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79
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} |
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3
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my $body = $op->{body}; |
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push @todo, ['init', \$op->{body}, $body->[0], $body->[1]]; |
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} |
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} |
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} |
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$self |
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1
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5
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} |
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88
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746
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746
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0
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1788
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method scope() { |
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1414
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746
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1166
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746
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942
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$self->{depth} |
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746
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} |
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92
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10027
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10027
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18215
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method _emit_raw($str) { |
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10027
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16362
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10027
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13443
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10027
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16202
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10027
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11761
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93
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10027
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100
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16771
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return if $str eq ''; |
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10023
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100
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if ((my $op = $self->{code}[-1])->{type} eq OP_RAW) { |
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9937
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$op->{str} .= $str; |
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} else { |
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push @{$self->{code}}, { type => OP_RAW, str => $str }; |
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590
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} |
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} |
100
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101
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8
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0
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method emit_doctype() { |
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102
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$self->_emit_raw(''); |
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} |
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105
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0
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method emit_comment($content) { |
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106
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$content =~ /\A(-?>)/ |
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and croak "HTML comment must not start with '$1': '$content'"; |
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$content =~ /("); |
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} |
112
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113
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2192
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2192
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0
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4199
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method emit_text($text) { |
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2192
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3740
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2192
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2920
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2192
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3570
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2192
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2678
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114
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2192
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100
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4404
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$text =~ s{([<&])}{ $1 eq '<' ? '<' : '&' }eg; |
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128
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609
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115
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2192
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4160
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$self->_emit_raw($text); |
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} |
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118
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my $assert_style_code = q{sub { |
119
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$_[0] =~ m{(])}aai |
120
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and Carp::croak "contents of |