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package Text::Template::Simple::Cache::ID; |
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use strict; |
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1396
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use warnings; |
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use overload q{""} => 'get'; |
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38864
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use Text::Template::Simple::Constants qw( |
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MAX_FILENAME_LENGTH |
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RE_INVALID_CID |
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3137
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); |
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use Text::Template::Simple::Util qw( |
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LOG |
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DEBUG |
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DIGEST |
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fatal |
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60
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228
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); |
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our $VERSION = '0.90'; |
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sub new { |
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my $class = shift; |
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my $self = bless do { \my $anon }, $class; |
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return $self; |
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} |
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sub get { |
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my $self = shift; |
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return ${$self}; |
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} |
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sub set { ## no critic (ProhibitAmbiguousNames) |
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my $self = shift; |
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my $val = shift; |
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${$self} = $val if defined $val; |
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return; |
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} |
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sub generate { # cache id generator |
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my($self, $data, $custom, $regex) = @_; |
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if ( ! $data ) { |
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0
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fatal('tts.cache.id.generate.data') if ! defined $data; |
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0
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LOG( IDGEN => 'Generating ID from empty data' ) if DEBUG; |
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} |
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$self->set( |
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$custom ? $self->_custom( $data, $regex ) |
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: $self->DIGEST->add( $data )->hexdigest |
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); |
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157
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return $self->get; |
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} |
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53
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sub _custom { |
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my $self = shift; |
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my $data = shift or fatal('tts.cache.id._custom.data'); |
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16
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my $regex = shift || RE_INVALID_CID; |
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60
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$data =~ s{$regex}{_}xmsg; # remove bogus characters |
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my $len = length $data; |
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59
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60
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# limit file name length |
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61
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50
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37
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if ( $len > MAX_FILENAME_LENGTH ) { |
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0
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0
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$data = substr $data, |
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63
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$len - MAX_FILENAME_LENGTH, |
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64
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MAX_FILENAME_LENGTH; |
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65
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} |
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66
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67
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26
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return $data; |
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68
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} |
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69
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70
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sub DESTROY { |
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71
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42
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50
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42
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82
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my $self = shift || return; |
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72
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42
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50
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92
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LOG( DESTROY => ref $self ) if DEBUG; |
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73
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42
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163
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return; |
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74
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} |
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75
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76
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1; |
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77
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78
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__END__ |
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79
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80
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=head1 NAME |
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81
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82
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Text::Template::Simple::Cache::ID - Cache ID generator |
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83
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84
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=head1 SYNOPSIS |
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85
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86
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TODO |
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87
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88
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=head1 DESCRIPTION |
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89
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90
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This document describes version C<0.90> of C<Text::Template::Simple::Cache::ID> |
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91
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released on C<5 July 2016>. |
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92
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93
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TODO |
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94
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95
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=head1 METHODS |
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96
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97
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=head2 new |
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98
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99
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Constructor |
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100
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101
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=head2 generate DATA [, CUSTOM, INVALID_CHARS_REGEX ] |
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102
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103
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Generates an unique cache id for the supplied data. |
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104
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105
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=head2 get |
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106
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107
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Returns the generated cache ID. |
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108
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109
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=head2 set |
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110
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111
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Set the cache ID. |
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112
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113
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=head1 AUTHOR |
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114
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115
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Burak Gursoy <burak@cpan.org>. |
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116
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117
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=head1 COPYRIGHT |
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118
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119
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Copyright 2004 - 2016 Burak Gursoy. All rights reserved. |
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120
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121
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=head1 LICENSE |
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122
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123
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This library is free software; you can redistribute it and/or modify |
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124
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it under the same terms as Perl itself, either Perl version 5.24.0 or, |
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125
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at your option, any later version of Perl 5 you may have available. |
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126
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=cut |