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package Route::Switcher; |
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38216
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use 5.008001; |
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6
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2
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74
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3
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use strict; |
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67
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use warnings; |
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8
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2
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80
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5
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2
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2
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use base 'Exporter'; |
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2
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406
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our $VERSION = "0.01"; |
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our @EXPORT = qw/switcher/; |
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my $CALLER = caller; |
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my @methods; |
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my %ORIG_METHOD; |
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our ($base_path,$base_class); |
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sub init { |
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1
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1
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1
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290
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my $class = shift; |
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1
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my @methods = @_; |
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1
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38
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$class->methods(@_); |
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2
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2
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10
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no strict 'refs'; |
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60
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2
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2
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no warnings 'redefine'; |
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2
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2
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594
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1
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for my $method (@methods) { |
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*{"$CALLER\::$method"} = sub { |
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13
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100
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my $path = ($base_path || '') . $_[0]; |
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13
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100
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my $dest = ($base_class || '') . $_[1]; |
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$ORIG_METHOD{$method}->($path,$dest); |
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4
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}; |
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} |
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} |
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sub switcher { |
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3
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3
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1
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local $base_path = shift; |
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3
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local $base_class = shift; |
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3
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my $code = shift; |
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3
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$code->(); |
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} |
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sub methods { |
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1
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1
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0
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my $class = shift; |
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1
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50
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if (@_) { |
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1
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@methods = @_; |
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1
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3
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_cache_original_method(); |
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} |
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1
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return @methods; |
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} |
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48
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sub _cache_original_method { |
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1
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1
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2
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for my $method (@methods) { |
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4
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50
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next unless( my $sub = $CALLER->can($method)); |
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4
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$ORIG_METHOD{$method} = $sub; |
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} |
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} |
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55
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1; |
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57
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__END__ |