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### |
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### Copyright 2002-2003 University of Illinois Board of Trustees |
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### Copyright 2002-2003 Mark D. Roth |
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### All rights reserved. |
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### |
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### Config::Objective::Hash - hash data type for Config::Objective |
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### |
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### Mark D. Roth |
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### Campus Information Technologies and Educational Services |
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### University of Illinois at Urbana-Champaign |
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### |
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package Config::Objective::Hash; |
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1
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472
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use strict; |
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1
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use Config::Objective::DataType; |
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1
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692
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our @ISA = qw(Config::Objective::DataType); |
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24
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############################################################################### |
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### default method is insert() |
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############################################################################### |
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sub default |
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{ |
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9
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1
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my ($self, $value) = @_; |
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32
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9
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26
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$self->insert($value); |
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} |
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36
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############################################################################### |
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### unset method |
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############################################################################### |
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40
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sub unset |
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{ |
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5
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5
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1
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my ($self) = @_; |
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44
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5
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$self->{'value'} = {}; |
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5
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return 1; |
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} |
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49
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############################################################################### |
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### set method |
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############################################################################### |
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53
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sub set |
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54
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{ |
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0
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0
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1
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my ($self, $value) = @_; |
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56
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57
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# print "==> Hash::set($value)\n"; |
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58
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59
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0
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0
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$self->unset(); |
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60
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0
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0
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return $self->insert($value); |
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} |
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64
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############################################################################### |
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### insert method |
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############################################################################### |
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68
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sub insert |
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{ |
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9
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9
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1
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14
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my ($self, $value) = @_; |
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71
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9
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11
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my ($key1, $key2); |
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72
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73
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# print "==> Hash::insert($value)\n"; |
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74
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75
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9
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50
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28
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die "insert: method requires hash argument\n" |
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76
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if (ref($value) ne 'HASH'); |
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77
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78
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9
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50
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29
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$self->{'value'} = {} |
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if (!defined($self->{'value'})); |
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80
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81
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9
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30
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foreach $key1 (keys %$value) |
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{ |
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83
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18
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50
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print "\t'$key1' => '$value->{$key1}'\n" |
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if ($self->{'debug'}); |
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85
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86
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18
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50
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33
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50
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die "key must be an absolute path\n" |
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87
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if ($self->{'key_abspath'} |
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&& $key1 !~ m|^/|); |
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90
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18
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100
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43
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if (!defined($value->{$key1})) |
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{ |
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92
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3
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50
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9
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die "hash value missing\n" |
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if (!$self->{'value_optional'}); |
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} |
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95
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else |
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96
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{ |
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97
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15
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50
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66
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55
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die "hash value is not a $self->{'value_type'}\n" |
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98
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if (defined($self->{'value_type'}) |
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&& $self->{'value_type'} ne ref($value->{$key1})); |
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100
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101
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15
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50
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33
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44
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die "value must be an absolute path\n" |
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102
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if ($self->{'value_abspath'} |
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&& $value->{$key1} !~ m|^/|); |
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104
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} |
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105
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106
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18
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100
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46
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if (exists($self->{'value'}->{$key1})) |
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107
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{ |
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108
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# print "key1='$key1'\n"; |
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109
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2
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100
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12
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if (ref($self->{'value'}->{$key1}) eq 'HASH') |
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50
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110
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{ |
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111
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# print "key1={" . join(',', sort keys %{$self->{'value'}->{$key1}}) . "}\n"; |
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112
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1
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2
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foreach $key2 (keys %{$value->{$key1}}) |
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1
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4
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113
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{ |
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114
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# print "\tkey2='$key2'\n"; |
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115
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1
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5
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$self->{'value'}->{$key1}->{$key2} = $value->{$key1}->{$key2}; |
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116
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} |
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117
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118
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# print "'$key1' => { " . join(', ', sort keys %{$self->{'value'}->{$key1}}) . " }\n"; |
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119
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1
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4
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next; |
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120
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} |
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121
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elsif (ref($self->{'value'}->{$key1}) eq 'ARRAY') |
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122
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{ |
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123
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1
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2
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push(@{$self->{'value'}->{$key1}}, @{$value->{$key1}}); |
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1
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4
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1
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4
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124
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1
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3
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next; |
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125
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} |
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126
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} |
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127
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128
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### overwrite the existing entry |
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129
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### or create a new one |
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130
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16
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50
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34
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print "OVERRIDE: $value->{$key1}\n" |
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131
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if ($self->{'debug'}); |
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132
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16
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46
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$self->{'value'}->{$key1} = $value->{$key1}; |
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133
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} |
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134
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135
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9
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35
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return 1; |
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136
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} |
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137
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138
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139
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############################################################################### |
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140
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### exists method |
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141
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############################################################################### |
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142
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143
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sub exists |
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144
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{ |
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145
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0
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0
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1
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0
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my ($self, $value) = @_; |
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146
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147
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0
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0
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0
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return (exists($self->{'value'}->{$value}) ? 1 : 0); |
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148
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} |
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149
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150
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151
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############################################################################### |
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152
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### find method |
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153
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############################################################################### |
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154
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155
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sub find |
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156
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{ |
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157
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0
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0
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1
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0
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my ($self, $value) = @_; |
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158
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159
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0
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0
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0
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return (exists($self->{value}->{$value}) |
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160
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? $self->{value}->{$value} |
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161
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: undef); |
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162
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} |
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163
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164
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165
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############################################################################### |
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166
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### delete method |
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167
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############################################################################### |
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168
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169
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sub delete |
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170
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{ |
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171
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3
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3
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1
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6
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my ($self, $value) = @_; |
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172
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3
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4
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my ($val); |
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173
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174
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3
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21
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$value = $self->_scalar_or_list($value); |
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175
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3
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8
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foreach $val (@$value) |
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176
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{ |
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177
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4
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14
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delete $self->{'value'}->{$val}; |
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178
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} |
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179
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180
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3
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10
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return 1; |
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181
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} |
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182
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183
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184
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############################################################################### |
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185
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### cleanup and documentation |
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186
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############################################################################### |
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187
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188
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1; |
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189
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190
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__END__ |