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package Salvation::TC::Meta::Type; |
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=head1 NAME |
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Salvation::TC::Meta::Type - Класс для простых типов |
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=cut |
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use strict; |
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use warnings; |
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use boolean; |
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use base 'Salvation::TC::Meta'; |
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1122
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use Scalar::Util 'blessed'; |
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2604
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=head1 METHODS |
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=cut |
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=head2 new() |
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=cut |
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sub new { |
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1
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my ( $proto, %args ) = @_; |
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die( 'Type metaclass must have validator' ) unless( defined $args{ 'validator' } ); |
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die( 'Validator must be a CodeRef' ) if( ref( $args{ 'validator' } ) ne 'CODE' ); |
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$args{ 'coercion_map' } = []; # Salvation::TC::Meta::Type => CodeRef |
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if( exists $args{ 'parent' } ) { |
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unless( |
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defined $args{ 'parent' } && blessed $args{ 'parent' } |
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&& $args{ 'parent' } -> isa( 'Salvation::TC::Meta::Type' ) |
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) { |
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die( 'Parent type must be a Salvation::TC::Meta::Type' ); |
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} |
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my $self_validator = $args{ 'validator' }; |
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my $parent_validator = $args{ 'parent' } -> validator(); |
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$args{ 'validator' } = sub { |
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$parent_validator -> ( $_[ 0 ] ) && $self_validator -> ( $_[ 0 ] ) |
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}; |
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} |
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100
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if( exists $args{ 'base' } ) { |
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519
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unless( |
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55
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defined $args{ 'base' } && blessed $args{ 'base' } |
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&& $args{ 'base' } -> isa( 'Salvation::TC::Meta::Type' ) |
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) { |
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die( 'Base type must be a Salvation::TC::Meta::Type' ); |
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} |
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} |
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63
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178
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426
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foreach my $spec ( |
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[ 'signed_type_generator', 'Signed type generator' ], |
65
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[ 'length_type_generator', 'Length type generator' ], |
66
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) { |
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356
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301
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my ( $key, $name ) = @$spec; |
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69
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356
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100
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1191
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if( exists $args{ $key } && defined $args{ $key } && ( ref( $args{ $key } ) ne 'CODE' ) ) { |
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die( "${name} must be a CodeRef" ); |
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} |
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} |
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75
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178
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729
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return $proto -> SUPER::new( %args ); |
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} |
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78
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=head2 validator() |
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80
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=cut |
81
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82
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sub validator { |
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84
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1
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290
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my ( $self ) = @_; |
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86
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391
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return $self -> { 'validator' }; |
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} |
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89
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=head2 check( Any $value ) |
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91
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=cut |
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93
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sub check { |
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95
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335
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1
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284
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my ( $self, $value ) = @_; |
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97
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335
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395
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return $self -> validator() -> ( $value ); |
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} |
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100
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=head2 signature() |
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102
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=cut |
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104
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sub signature { |
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106
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1
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1
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my ( $self ) = @_; |
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108
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1
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3
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return $self -> { 'signature' }; |
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} |
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111
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=head2 has_signature() |
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113
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=cut |
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115
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sub has_signature { |
116
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117
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24
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24
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1
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24
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my ( $self ) = @_; |
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119
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24
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83
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return exists $self -> { 'signature' }; |
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} |
121
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122
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=head2 coercion_map() |
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124
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=cut |
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126
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sub coercion_map { |
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128
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11
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11
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1
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my ( $self ) = @_; |
129
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130
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11
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19
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return $self -> { 'coercion_map' }; |
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} |
132
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133
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=head2 parent() |
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135
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=cut |
136
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137
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sub parent { |
138
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139
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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 ) = @_; |
140
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141
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0
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0
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return $self -> { 'parent' }; |
142
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} |
143
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144
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=head2 base() |
145
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146
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=cut |
147
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148
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sub base { |
149
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150
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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 ) = @_; |
151
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152
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0
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0
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return $self -> { 'base' }; |
153
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} |
154
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155
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=head2 has_base() |
156
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157
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=cut |
158
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159
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sub has_base { |
160
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161
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0
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0
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1
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my ( $self ) = @_; |
162
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163
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0
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0
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return exists $self -> { 'base' }; |
164
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} |
165
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166
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=head2 has_parent() |
167
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168
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=cut |
169
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170
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sub has_parent { |
171
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172
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0
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0
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1
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my ( $self ) = @_; |
173
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174
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0
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0
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return exists $self -> { 'parent' }; |
175
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} |
176
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177
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=head2 signed_type_generator() |
178
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179
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=cut |
180
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181
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sub signed_type_generator { |
182
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183
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42
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42
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1
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39
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my ( $self ) = @_; |
184
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185
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42
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86
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return $self -> { 'signed_type_generator' }; |
186
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} |
187
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188
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=head2 length_type_generator() |
189
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190
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=cut |
191
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192
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sub length_type_generator { |
193
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194
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42
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42
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1
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43
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my ( $self ) = @_; |
195
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196
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42
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98
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return $self -> { 'length_type_generator' }; |
197
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} |
198
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199
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=head2 sign( ArrayRef $signature ) |
200
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201
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Генерирует валидатор для текущего типа на основе подписи. |
202
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203
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=cut |
204
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205
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sub sign { |
206
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207
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8
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8
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1
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6
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my ( $self, $signature ) = @_; |
208
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209
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8
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14
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my $signed_type_generator = $self -> signed_type_generator(); |
210
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211
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8
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50
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15
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unless( defined $signed_type_generator ) { |
212
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213
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0
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0
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die( sprintf( 'Type %s cannot be signed', $self -> name() ) ) |
214
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} |
215
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216
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8
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13
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my $signed_validator = $signed_type_generator -> ( $signature ); |
217
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218
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return sub { |
219
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220
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16
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50
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16
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23
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$self -> check( $_[ 0 ] ) && $signed_validator -> ( $_[ 0 ] ) |
221
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8
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25
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}; |
222
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} |
223
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224
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=head2 length_checker( Int $min, Maybe[Int] $max ) |
225
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226
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Генерирует валидатор для текущего типа на основе спецификации длины. |
227
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228
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=cut |
229
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230
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sub length_checker { |
231
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232
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19
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19
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1
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20
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my ( $self, $min, $max ) = @_; |
233
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234
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25
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my $length_type_generator = $self -> length_type_generator(); |
235
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236
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43
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unless( defined $length_type_generator ) { |
237
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238
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0
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die( sprintf( 'Length of type %s could not be checked', $self -> name() ) ); |
239
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} |
240
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241
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my $length_validator = $length_type_generator -> ( $min, $max ); |
242
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243
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return sub { |
244
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245
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32
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32
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48
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$self -> check( $_[ 0 ] ) && $length_validator -> ( $_[ 0 ] ) |
246
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19
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54
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}; |
247
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} |
248
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249
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=head2 add_coercion( Salvation::TC::Meta::Type $from, CodeRef $how ) |
250
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251
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=cut |
252
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253
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sub add_coercion { |
254
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255
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5
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5
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1
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5
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my ( $self, $from, $how ) = @_; |
256
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257
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5
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4
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push( @{ $self -> { 'coercion_map' } }, [ $from => $how ] ); |
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5
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8
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258
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259
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5
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7
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return; |
260
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} |
261
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262
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=head2 coerce( Any $value ) |
263
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264
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=cut |
265
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266
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sub coerce { |
267
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268
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11
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11
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1
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10
|
my ( $self, $value ) = @_; |
269
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270
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11
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8
|
foreach my $rule ( @{ $self -> coercion_map() } ) { |
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11
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16
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271
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272
|
10
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6
|
eval { $rule -> [ 0 ] -> check( $value ) }; |
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10
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16
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273
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274
|
10
|
100
|
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|
29
|
if( $@ ) { |
275
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|
276
|
3
|
50
|
33
|
|
|
16
|
if( blessed( $@ ) && $@ -> isa( 'Salvation::TC::Exception::WrongType' ) ) { |
277
|
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|
278
|
3
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6
|
next; |
279
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280
|
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|
|
} else { |
281
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282
|
0
|
|
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|
0
|
die( $@ ); |
283
|
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|
|
} |
284
|
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|
|
}; |
285
|
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|
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|
|
286
|
7
|
|
|
|
|
7
|
local $_ = $value; # Ради соответствия API Moose |
287
|
|
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|
|
|
|
|
288
|
7
|
|
|
|
|
13
|
$value = $rule -> [ 1 ] -> (); |
289
|
|
|
|
|
|
|
|
290
|
7
|
|
|
|
|
21
|
last; |
291
|
|
|
|
|
|
|
} |
292
|
|
|
|
|
|
|
|
293
|
11
|
|
|
|
|
23
|
return $value; # Moose возвращает либо старое, либо приведённое значение |
294
|
|
|
|
|
|
|
} |
295
|
|
|
|
|
|
|
|
296
|
|
|
|
|
|
|
1; |
297
|
|
|
|
|
|
|
|
298
|
|
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|
|
__END__ |