line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
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1
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31
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use 5.006; |
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1
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4
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2
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1
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1
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6
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use strict; |
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1
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2
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1
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28
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3
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1
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1
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6
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use warnings; |
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1
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2
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1
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270
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4
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5
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package LINQ::FieldSet::Assertion; |
6
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7
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my $_process_args = sub { |
8
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require Scalar::Util; |
9
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if ( Scalar::Util::blessed( $_[0] ) |
10
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and Scalar::Util::blessed( $_[1] ) |
11
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and @_ < 4 ) |
12
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{ |
13
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return $_[2] ? ( $_[1], $_[0] ) : ( $_[0], $_[1] ); |
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} |
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16
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my ( $self, @other ) = @_; |
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my $other = __PACKAGE__->new( @other ); |
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return ( $self, $other ); |
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}; |
20
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21
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our $AUTHORITY = 'cpan:TOBYINK'; |
22
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our $VERSION = '0.002'; |
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24
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1
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1
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9
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use Class::Tiny; |
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1
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3
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1
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8
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25
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1
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1
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89
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use parent qw( LINQ::FieldSet ); |
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1
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2
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1
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11
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26
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27
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1
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1
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52
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use LINQ::Util::Internal (); |
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1
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3
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1
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50
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28
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29
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use overload ( |
30
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'fallback' => !!1, |
31
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0
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0
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0
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q[bool] => sub { !! 1 }, |
32
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1
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14
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q[""] => 'to_string', |
33
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q[&{}] => 'coderef', |
34
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q[|] => 'or', |
35
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q[&] => 'and', |
36
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q[~] => 'not', |
37
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1
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1
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6
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); |
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1
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2
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38
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39
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sub _known_parameter_names { |
40
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41
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41
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86
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my ( $self ) = ( shift ); |
41
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42
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return ( |
43
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41
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137
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$self->SUPER::_known_parameter_names, |
44
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'is' => 1, |
45
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'in' => 1, |
46
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'like' => 1, |
47
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'match' => 1, |
48
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'to' => 1, |
49
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'cmp' => 1, |
50
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'numeric' => 0, |
51
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'string' => 0, |
52
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'nix' => 0, |
53
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'nocase' => 0, |
54
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); |
55
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} #/ sub _known_parameter_names |
56
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57
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sub coderef { |
58
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69
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69
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1
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233
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my ( $self ) = ( shift ); |
59
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69
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100
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262
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$self->{coderef} ||= $self->_build_coderef; |
60
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} |
61
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62
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sub BUILD { |
63
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41
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41
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1
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794
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my ( $self ) = ( shift ); |
64
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41
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100
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935
|
if ( $self->seen_asterisk ) { |
65
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1
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12
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LINQ::Util::Internal::throw( |
66
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"CallerError", |
67
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message => "Field '*' does not make sense for assertions", |
68
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); |
69
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} |
70
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} |
71
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72
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sub _build_coderef { |
73
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40
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40
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76
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my ( $self ) = ( shift ); |
74
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40
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62
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my @checks = map $self->_make_check( $_ ), @{ $self->fields }; |
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40
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802
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75
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return sub { |
76
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73
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73
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134
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for my $check ( @checks ) { |
77
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75
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100
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1373
|
return !!0 unless $check->( $_ ); |
78
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} |
79
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34
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135
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return !!1; |
80
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37
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256
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}; |
81
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} #/ sub _build_coderef |
82
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83
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{ |
84
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my %makers = ( |
85
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'is' => '_make_is_check', |
86
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'in' => '_make_in_check', |
87
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'to' => '_make_to_check', |
88
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'like' => '_make_like_check', |
89
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'match' => '_make_match_check', |
90
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); |
91
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92
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sub _make_check { |
93
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41
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41
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285
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my ( $self, $field ) = ( shift, @_ ); |
94
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95
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41
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65
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my @found; |
96
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41
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241
|
for my $key ( sort keys %makers ) { |
97
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205
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100
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4251
|
push @found, $key if exists $field->params->{$key}; |
98
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} |
99
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100
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41
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100
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281
|
if ( @found > 1 ) { |
101
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1
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7
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my $params = join q[, ], map "-$_", @found; |
102
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1
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6
|
LINQ::Util::Internal::throw( |
103
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"CallerError", |
104
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1
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18
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message => "Multiple conflicting assertions ($params) found for field '@{[ $field->name ]}'", |
105
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); |
106
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} |
107
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108
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40
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100
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91
|
if ( @found == 0 ) { |
109
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1
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4
|
LINQ::Util::Internal::throw( |
110
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"CallerError", |
111
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1
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19
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message => "No assertions found for field '@{[ $field->name ]}'", |
112
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); |
113
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} |
114
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115
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39
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91
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my $method = $makers{ $found[0] }; |
116
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39
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147
|
return $self->$method( $field ); |
117
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} |
118
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} |
119
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120
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{ |
121
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my %templates = ( |
122
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'numeric ==' => '%s == %s', |
123
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'numeric !=' => '%s != %s', |
124
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'numeric >' => '%s > %s', |
125
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'numeric >=' => '%s >= %s', |
126
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'numeric <' => '%s < %s', |
127
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'numeric <=' => '%s <= %s', |
128
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'string ==' => '%s eq %s', |
129
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'string !=' => '%s ne %s', |
130
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'string >' => '%s gt %s', |
131
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'string >=' => '%s ge %s', |
132
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'string <' => '%s lt %s', |
133
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'string <=' => '%s le %s', |
134
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'null ==' => '! defined( %s )', |
135
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); |
136
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137
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|
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sub _make_is_check { |
138
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22
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22
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51
|
my ( $self, $field ) = ( shift, @_ ); |
139
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22
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65
|
my $getter = $field->getter; |
140
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141
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22
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363
|
my $expected = $field->params->{is}; |
142
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22
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100
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389
|
my $cmp = $field->params->{cmp} || "=="; |
143
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|
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my $type = |
144
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|
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$field->params->{numeric} ? 'numeric' |
145
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22
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50
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426
|
: $field->params->{string} ? 'string' |
|
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100
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100
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50
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50
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146
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: !defined( $expected ) ? 'null' |
147
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: $expected =~ /^[0-9]+(?:\.[0-9]+)$/ ? 'numeric' |
148
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: !ref( $expected ) ? 'string' |
149
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: 'numeric'; |
150
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22
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100
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|
566
|
my $template = $templates{"$type $cmp"} |
151
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|
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|
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or LINQ::Util::Internal::throw( |
152
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"CallerError", |
153
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|
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message => "Unexpected comparator '$cmp' for type '$type'", |
154
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); |
155
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156
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21
|
|
|
|
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35
|
my $guts; |
157
|
21
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100
|
|
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|
320
|
if ( $type eq 'null' ) { |
|
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100
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158
|
2
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11
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$guts = sprintf( $template, '$getter->( $_ )' ); |
159
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|
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} |
160
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|
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elsif ( $field->params->{nocase} ) { |
161
|
1
|
50
|
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|
9
|
my $fold = ( $] > 5.016 ) ? 'CORE::fc' : 'lc'; |
162
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|
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$guts = sprintf( |
163
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|
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$template, |
164
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|
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"$fold( \$getter->( \$_ ) )", |
165
|
1
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50
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|
6
|
ref( $expected ) ? "$fold( \$expected )" : do { |
166
|
1
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|
|
|
|
63
|
require B; |
167
|
1
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14
|
"$fold( " . B::perlstring( $expected ) . ' )'; |
168
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|
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}, |
169
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); |
170
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|
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} #/ elsif ( $field->params->{...}) |
171
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|
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else { |
172
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|
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$guts = sprintf( |
173
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|
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$template, |
174
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|
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'$getter->( $_ )', |
175
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18
|
50
|
|
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|
98
|
ref( $expected ) ? '$expected' : do { |
176
|
18
|
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|
66
|
require B; |
177
|
18
|
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178
|
B::perlstring( $expected ); |
178
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}, |
179
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); |
180
|
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|
|
} #/ else [ if ( $type eq 'null' )] |
181
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182
|
21
|
100
|
|
|
|
358
|
if ( $field->params->{nix} ) { |
183
|
1
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|
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|
8
|
$guts = "!( $guts )"; |
184
|
|
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|
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} |
185
|
|
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186
|
1
|
|
|
1
|
|
1018
|
no warnings qw( uninitialized ); |
|
1
|
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3
|
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|
1
|
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|
|
334
|
|
187
|
21
|
|
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|
|
2037
|
return eval "sub { $guts }"; |
188
|
|
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|
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} |
189
|
|
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|
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190
|
|
|
|
|
|
|
sub _make_to_check { |
191
|
7
|
|
|
7
|
|
19
|
my ( $self, $field ) = ( shift, @_ ); |
192
|
7
|
|
|
|
|
23
|
my $getter = $field->getter; |
193
|
|
|
|
|
|
|
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194
|
7
|
|
|
|
|
118
|
my $other = 'LINQ::Field'->new( value => $field->params->{to} )->getter; |
195
|
7
|
|
100
|
|
|
27
|
my $cmp = $field->params->{cmp} || "=="; |
196
|
7
|
100
|
|
|
|
317
|
my $type = $field->params->{string} ? 'string' : 'numeric'; |
197
|
7
|
50
|
|
|
|
58
|
my $template = $templates{"$type $cmp"} |
198
|
|
|
|
|
|
|
or LINQ::Util::Internal::throw( |
199
|
|
|
|
|
|
|
"CallerError", |
200
|
|
|
|
|
|
|
message => "Unexpected comparator '$cmp' for type '$type'", |
201
|
|
|
|
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|
|
); |
202
|
|
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|
|
|
|
203
|
7
|
|
|
|
|
12
|
my $guts; |
204
|
7
|
100
|
|
|
|
125
|
if ( $field->params->{nocase} ) { |
205
|
2
|
50
|
|
|
|
16
|
my $fold = ( $] > 5.016 ) ? 'CORE::fc' : 'lc'; |
206
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2
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13
|
$guts = sprintf( |
207
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|
$template, |
208
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|
"$fold( \$getter->( \$_ ) )", |
209
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"$fold( \$other->( \$_ ) )", |
210
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); |
211
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} #/ elsif ( $field->params->{...}) |
212
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else { |
213
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5
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45
|
$guts = sprintf( |
214
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|
$template, |
215
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'$getter->( $_ )', |
216
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'$other->( $_ )', |
217
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); |
218
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} #/ else [ if ( $type eq 'null' )] |
219
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220
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7
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100
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111
|
if ( $field->params->{nix} ) { |
221
|
1
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8
|
$guts = "!( $guts )"; |
222
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} |
223
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224
|
1
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1
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8
|
no warnings qw( uninitialized ); |
|
1
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2
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1
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|
1315
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225
|
7
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817
|
return eval "sub { $guts }"; |
226
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} |
227
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|
} |
228
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229
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sub _make_in_check { |
230
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3
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3
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7
|
my ( $self, $field ) = ( shift, @_ ); |
231
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3
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11
|
my $getter = $field->getter; |
232
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3
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7
|
my @expected = @{ $field->params->{in} }; |
|
3
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48
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233
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234
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3
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58
|
my $nix = ! $field->params->{nix}; |
235
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236
|
3
|
100
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|
54
|
if ( $field->params->{nocase} ) { |
237
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|
return sub { |
238
|
2
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2
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5
|
my $value = lc $getter->( $_ ); |
239
|
2
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|
6
|
for my $expected ( @expected ) { |
240
|
3
|
100
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|
17
|
return !!$nix if $value eq lc $expected; |
241
|
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|
} |
242
|
1
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6
|
return !$nix; |
243
|
1
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10
|
}; |
244
|
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|
} |
245
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|
else { |
246
|
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|
return sub { |
247
|
4
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4
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|
9
|
my $value = $getter->( $_ ); |
248
|
4
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|
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|
|
8
|
for my $expected ( @expected ) { |
249
|
7
|
100
|
|
|
|
20
|
return !!$nix if $value eq $expected; |
250
|
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|
|
} |
251
|
3
|
|
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|
|
12
|
return !$nix; |
252
|
2
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|
22
|
}; |
253
|
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|
} |
254
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|
|
} |
255
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|
256
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|
|
{ |
257
|
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|
|
my $_like_to_regexp = sub { |
258
|
|
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|
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|
|
my ( $like, $ci ) = @_; |
259
|
|
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|
|
|
|
my $re = ''; |
260
|
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|
|
my %anchors = ( |
261
|
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|
|
start => substr( $like, 0, 1 ) ne '%', |
262
|
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|
|
end => substr( $like, -1, 1 ) ne '%', |
263
|
|
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|
); |
264
|
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|
|
|
|
my @parts = split qr{(\\*[.%])}, $like; |
265
|
|
|
|
|
|
|
for my $p ( @parts ) { |
266
|
|
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|
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|
|
next unless length $p; |
267
|
|
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|
|
|
|
my $backslash_count =()= $p =~ m{(\\)}g; |
268
|
|
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|
|
|
|
my $wild_count =()= $p =~ m{([%.])}g; |
269
|
|
|
|
|
|
|
if ( $wild_count ) { |
270
|
|
|
|
|
|
|
if ( $backslash_count && $backslash_count % 2 ) { |
271
|
|
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|
|
|
|
my $last = substr( $p, -2, 2, '' ); |
272
|
|
|
|
|
|
|
$p =~ s{\\\\}{\\}; |
273
|
|
|
|
|
|
|
$re .= quotemeta( $p . substr( $last, -1, 1 ) ); |
274
|
|
|
|
|
|
|
} |
275
|
|
|
|
|
|
|
elsif ( $backslash_count ) { |
276
|
|
|
|
|
|
|
my $last = substr( $p, -1, 1, '' ); |
277
|
|
|
|
|
|
|
$p =~ s{\\\\}{\\}; |
278
|
|
|
|
|
|
|
$re .= quotemeta( $p ) . ( $last eq '%' ? '.*' : '.' ); |
279
|
|
|
|
|
|
|
} |
280
|
|
|
|
|
|
|
else { |
281
|
|
|
|
|
|
|
$re .= $p eq '%' ? '.*' : '.'; |
282
|
|
|
|
|
|
|
} |
283
|
|
|
|
|
|
|
} #/ if ( $wild_count ) |
284
|
|
|
|
|
|
|
else { |
285
|
|
|
|
|
|
|
$p =~ s{\\(.)}{$1}g; |
286
|
|
|
|
|
|
|
$re .= quotemeta( $p ); |
287
|
|
|
|
|
|
|
} |
288
|
|
|
|
|
|
|
} #/ for my $p ( @parts ) |
289
|
|
|
|
|
|
|
|
290
|
|
|
|
|
|
|
substr( $re, 0, 0, '\A' ) if $anchors{start}; |
291
|
|
|
|
|
|
|
$re .= '\z' if $anchors{end}; |
292
|
|
|
|
|
|
|
|
293
|
|
|
|
|
|
|
$ci ? qr/$re/i : qr/$re/; |
294
|
|
|
|
|
|
|
}; |
295
|
|
|
|
|
|
|
|
296
|
|
|
|
|
|
|
sub _make_like_check { |
297
|
5
|
|
|
5
|
|
15
|
my ( $self, $field ) = ( shift, @_ ); |
298
|
5
|
|
|
|
|
16
|
my $getter = $field->getter; |
299
|
|
|
|
|
|
|
|
300
|
|
|
|
|
|
|
my $match = $_like_to_regexp->( |
301
|
|
|
|
|
|
|
$field->params->{like}, |
302
|
|
|
|
|
|
|
$field->params->{nocase}, |
303
|
5
|
|
|
|
|
82
|
); |
304
|
|
|
|
|
|
|
|
305
|
5
|
100
|
|
|
|
93
|
if ( $field->params->{nix} ) { |
306
|
|
|
|
|
|
|
return sub { |
307
|
2
|
|
|
2
|
|
7
|
my $value = $getter->( $_ ); |
308
|
2
|
|
|
|
|
10
|
$value !~ $match; |
309
|
1
|
|
|
|
|
12
|
}; |
310
|
|
|
|
|
|
|
} |
311
|
|
|
|
|
|
|
else { |
312
|
|
|
|
|
|
|
return sub { |
313
|
6
|
|
|
6
|
|
13
|
my $value = $getter->( $_ ); |
314
|
6
|
|
|
|
|
35
|
$value =~ $match; |
315
|
4
|
|
|
|
|
47
|
}; |
316
|
|
|
|
|
|
|
} |
317
|
|
|
|
|
|
|
} |
318
|
|
|
|
|
|
|
} |
319
|
|
|
|
|
|
|
|
320
|
|
|
|
|
|
|
sub _make_match_check { |
321
|
2
|
|
|
2
|
|
7
|
my ( $self, $field ) = ( shift, @_ ); |
322
|
2
|
|
|
|
|
8
|
my $getter = $field->getter; |
323
|
|
|
|
|
|
|
|
324
|
2
|
|
|
|
|
34
|
my $match = $field->params->{match}; |
325
|
|
|
|
|
|
|
|
326
|
2
|
|
|
|
|
709
|
require match::simple; |
327
|
|
|
|
|
|
|
|
328
|
2
|
100
|
|
|
|
2500
|
if ( $field->params->{nix} ) { |
329
|
|
|
|
|
|
|
return sub { |
330
|
2
|
|
|
2
|
|
6
|
my $value = $getter->( $_ ); |
331
|
2
|
|
|
|
|
13
|
not match::simple::match( $value, $match ); |
332
|
1
|
|
|
|
|
12
|
}; |
333
|
|
|
|
|
|
|
} |
334
|
|
|
|
|
|
|
else { |
335
|
|
|
|
|
|
|
return sub { |
336
|
2
|
|
|
2
|
|
8
|
my $value = $getter->( $_ ); |
337
|
2
|
|
|
|
|
10
|
match::simple::match( $value, $match ); |
338
|
1
|
|
|
|
|
21
|
}; |
339
|
|
|
|
|
|
|
} |
340
|
|
|
|
|
|
|
} |
341
|
|
|
|
|
|
|
|
342
|
|
|
|
|
|
|
sub not { |
343
|
4
|
|
|
4
|
1
|
143
|
my ( $self ) = ( shift ); |
344
|
4
|
|
|
|
|
20
|
return 'LINQ::FieldSet::Assertion::NOT'->new( |
345
|
|
|
|
|
|
|
left => $self, |
346
|
|
|
|
|
|
|
); |
347
|
|
|
|
|
|
|
} |
348
|
|
|
|
|
|
|
|
349
|
|
|
|
|
|
|
sub and { |
350
|
5
|
|
|
5
|
1
|
68
|
my ( $self, $other ) = &$_process_args; |
351
|
5
|
|
|
|
|
29
|
return 'LINQ::FieldSet::Assertion::AND'->new( |
352
|
|
|
|
|
|
|
left => $self, |
353
|
|
|
|
|
|
|
right => $other, |
354
|
|
|
|
|
|
|
); |
355
|
|
|
|
|
|
|
} |
356
|
|
|
|
|
|
|
|
357
|
|
|
|
|
|
|
sub or { |
358
|
1
|
|
|
1
|
1
|
17
|
my ( $self, $other ) = &$_process_args; |
359
|
1
|
|
|
|
|
14
|
return 'LINQ::FieldSet::Assertion::OR'->new( |
360
|
|
|
|
|
|
|
left => $self, |
361
|
|
|
|
|
|
|
right => $other, |
362
|
|
|
|
|
|
|
); |
363
|
|
|
|
|
|
|
} |
364
|
|
|
|
|
|
|
|
365
|
|
|
|
|
|
|
sub to_string { |
366
|
0
|
|
|
0
|
1
|
0
|
my ( $self ) = ( shift ); |
367
|
0
|
|
|
|
|
0
|
sprintf 'check_fields(%s)', join q[, ], map $_->name, @{ $self->fields }; |
|
0
|
|
|
|
|
0
|
|
368
|
|
|
|
|
|
|
} |
369
|
|
|
|
|
|
|
|
370
|
|
|
|
|
|
|
package LINQ::FieldSet::Assertion::Combination; |
371
|
|
|
|
|
|
|
|
372
|
|
|
|
|
|
|
our $AUTHORITY = 'cpan:TOBYINK'; |
373
|
|
|
|
|
|
|
our $VERSION = '0.002'; |
374
|
|
|
|
|
|
|
|
375
|
1
|
|
|
1
|
|
10
|
use Role::Tiny; |
|
1
|
|
|
|
|
1
|
|
|
1
|
|
|
|
|
13
|
|
376
|
|
|
|
|
|
|
requires( qw/ left right _build_coderef / ); |
377
|
|
|
|
|
|
|
|
378
|
|
|
|
|
|
|
sub coderef { |
379
|
20
|
|
|
20
|
|
601
|
my ( $self ) = ( shift ); |
380
|
20
|
|
100
|
|
|
116
|
$self->{coderef} ||= $self->_build_coderef; |
381
|
|
|
|
|
|
|
} |
382
|
|
|
|
|
|
|
|
383
|
|
|
|
|
|
|
sub not { |
384
|
1
|
|
|
1
|
|
28
|
my ( $self ) = ( shift ); |
385
|
1
|
|
|
|
|
7
|
return 'LINQ::FieldSet::Assertion::NOT'->new( |
386
|
|
|
|
|
|
|
left => $self, |
387
|
|
|
|
|
|
|
); |
388
|
|
|
|
|
|
|
} |
389
|
|
|
|
|
|
|
|
390
|
|
|
|
|
|
|
sub and { |
391
|
1
|
|
|
1
|
|
27
|
my ( $self, $other ) = &$_process_args; |
392
|
1
|
|
|
|
|
6
|
return 'LINQ::FieldSet::Assertion::AND'->new( |
393
|
|
|
|
|
|
|
left => $self, |
394
|
|
|
|
|
|
|
right => $other, |
395
|
|
|
|
|
|
|
); |
396
|
|
|
|
|
|
|
} |
397
|
|
|
|
|
|
|
|
398
|
|
|
|
|
|
|
sub or { |
399
|
2
|
|
|
2
|
|
56
|
my ( $self, $other ) = &$_process_args; |
400
|
2
|
|
|
|
|
11
|
return 'LINQ::FieldSet::Assertion::OR'->new( |
401
|
|
|
|
|
|
|
left => $self, |
402
|
|
|
|
|
|
|
right => $other, |
403
|
|
|
|
|
|
|
); |
404
|
|
|
|
|
|
|
} |
405
|
|
|
|
|
|
|
|
406
|
|
|
|
|
|
|
package LINQ::FieldSet::Assertion::NOT; |
407
|
|
|
|
|
|
|
|
408
|
|
|
|
|
|
|
our $AUTHORITY = 'cpan:TOBYINK'; |
409
|
|
|
|
|
|
|
our $VERSION = '0.002'; |
410
|
|
|
|
|
|
|
|
411
|
1
|
|
|
1
|
|
429
|
use Class::Tiny qw( left ); |
|
1
|
|
|
|
|
3
|
|
|
1
|
|
|
|
|
39
|
|
412
|
1
|
|
|
1
|
|
290
|
use Role::Tiny::With (); |
|
1
|
|
|
|
|
3
|
|
|
1
|
|
|
|
|
26
|
|
413
|
|
|
|
|
|
|
Role::Tiny::With::with( 'LINQ::FieldSet::Assertion::Combination' ); |
414
|
|
|
|
|
|
|
|
415
|
1
|
|
|
1
|
|
5
|
use overload (); |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
219
|
|
416
|
|
|
|
|
|
|
'overload'->import( |
417
|
|
|
|
|
|
|
q[&{}] => 'coderef', |
418
|
|
|
|
|
|
|
q[|] => 'or', |
419
|
|
|
|
|
|
|
q[&] => 'and', |
420
|
|
|
|
|
|
|
q[~] => 'not', |
421
|
|
|
|
|
|
|
); |
422
|
|
|
|
|
|
|
|
423
|
|
|
|
|
|
|
sub _build_coderef { |
424
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3
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3
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8
|
my ( $self ) = ( shift ); |
425
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3
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|
63
|
my $left = $self->left->coderef; |
426
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3
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6
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|
21
|
return sub { not $left->( $_ ) }; |
|
6
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14
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427
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} |
428
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429
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sub not { |
430
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1
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1
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|
32
|
my ( $self ) = ( shift ); |
431
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1
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23
|
return $self->left; |
432
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} |
433
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434
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sub right { |
435
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1
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1
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31
|
LINQ::Util::Internal::throw( |
436
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"InternalError", |
437
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message => 'Unexpected second branch to NOT.', |
438
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); |
439
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} |
440
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441
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package LINQ::FieldSet::Assertion::AND; |
442
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443
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our $AUTHORITY = 'cpan:TOBYINK'; |
444
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our $VERSION = '0.002'; |
445
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446
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1
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1
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10
|
use Class::Tiny qw( left right ); |
|
1
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2
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1
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4
|
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447
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1
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1
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|
354
|
use Role::Tiny::With (); |
|
1
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2
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1
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24
|
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448
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Role::Tiny::With::with( 'LINQ::FieldSet::Assertion::Combination' ); |
449
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450
|
1
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1
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4
|
use overload (); |
|
1
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2
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1
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134
|
|
451
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'overload'->import( |
452
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|
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q[&{}] => 'coderef', |
453
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q[|] => 'or', |
454
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|
q[&] => 'and', |
455
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q[~] => 'not', |
456
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); |
457
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|
458
|
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|
|
sub _build_coderef { |
459
|
6
|
|
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6
|
|
15
|
my ( $self ) = ( shift ); |
460
|
6
|
|
|
|
|
129
|
my $left = $self->left->coderef; |
461
|
6
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|
|
|
|
111
|
my $right = $self->right->coderef; |
462
|
6
|
100
|
|
17
|
|
41
|
return sub { $left->( $_ ) and $right->( $_ ) }; |
|
17
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|
35
|
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463
|
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|
|
} |
464
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|
465
|
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|
|
package LINQ::FieldSet::Assertion::OR; |
466
|
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|
|
467
|
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|
|
|
|
|
our $AUTHORITY = 'cpan:TOBYINK'; |
468
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|
|
|
our $VERSION = '0.002'; |
469
|
|
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|
|
470
|
1
|
|
|
1
|
|
8
|
use Class::Tiny qw( left right ); |
|
1
|
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|
|
2
|
|
|
1
|
|
|
|
|
4
|
|
471
|
1
|
|
|
1
|
|
386
|
use Role::Tiny::With (); |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
23
|
|
472
|
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|
|
|
Role::Tiny::With::with( 'LINQ::FieldSet::Assertion::Combination' ); |
473
|
|
|
|
|
|
|
|
474
|
1
|
|
|
1
|
|
6
|
use overload (); |
|
1
|
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|
|
|
2
|
|
|
1
|
|
|
|
|
145
|
|
475
|
|
|
|
|
|
|
'overload'->import( |
476
|
|
|
|
|
|
|
q[&{}] => 'coderef', |
477
|
|
|
|
|
|
|
q[|] => 'or', |
478
|
|
|
|
|
|
|
q[&] => 'and', |
479
|
|
|
|
|
|
|
q[~] => 'not', |
480
|
|
|
|
|
|
|
); |
481
|
|
|
|
|
|
|
|
482
|
|
|
|
|
|
|
sub _build_coderef { |
483
|
3
|
|
|
3
|
|
8
|
my ( $self ) = ( shift ); |
484
|
3
|
|
|
|
|
58
|
my $left = $self->left->coderef; |
485
|
3
|
|
|
|
|
62
|
my $right = $self->right->coderef; |
486
|
3
|
100
|
|
10
|
|
19
|
return sub { $left->( $_ ) or $right->( $_ ) }; |
|
10
|
|
|
|
|
18
|
|
487
|
|
|
|
|
|
|
} |
488
|
|
|
|
|
|
|
|
489
|
|
|
|
|
|
|
1; |
490
|
|
|
|
|
|
|
|
491
|
|
|
|
|
|
|
__END__ |
492
|
|
|
|
|
|
|
|
493
|
|
|
|
|
|
|
=pod |
494
|
|
|
|
|
|
|
|
495
|
|
|
|
|
|
|
=encoding utf-8 |
496
|
|
|
|
|
|
|
|
497
|
|
|
|
|
|
|
=head1 NAME |
498
|
|
|
|
|
|
|
|
499
|
|
|
|
|
|
|
LINQ::FieldSet::Assertion - represents an SQL-WHERE-like assertion/check |
500
|
|
|
|
|
|
|
|
501
|
|
|
|
|
|
|
=head1 DESCRIPTION |
502
|
|
|
|
|
|
|
|
503
|
|
|
|
|
|
|
LINQ::FieldSet::Assertion is a subclass of L<LINQ::FieldSet>. |
504
|
|
|
|
|
|
|
|
505
|
|
|
|
|
|
|
This is used internally by LINQ and you probably don't need to know about it |
506
|
|
|
|
|
|
|
unless you're writing very specific extensions for LINQ. The end user |
507
|
|
|
|
|
|
|
interface is the C<check_fields> function in L<LINQ::Util>. |
508
|
|
|
|
|
|
|
|
509
|
|
|
|
|
|
|
=head1 CONSTRUCTOR |
510
|
|
|
|
|
|
|
|
511
|
|
|
|
|
|
|
=over |
512
|
|
|
|
|
|
|
|
513
|
|
|
|
|
|
|
=item C<< new( ARGSLIST ) >> |
514
|
|
|
|
|
|
|
|
515
|
|
|
|
|
|
|
Constructs a fieldset from a list of fields like: |
516
|
|
|
|
|
|
|
|
517
|
|
|
|
|
|
|
'LINQ::FieldSet::Assertion'->new( |
518
|
|
|
|
|
|
|
'field1', -param1 => 'value1', -param2, |
519
|
|
|
|
|
|
|
'field2', -param1 => 'value2', |
520
|
|
|
|
|
|
|
); |
521
|
|
|
|
|
|
|
|
522
|
|
|
|
|
|
|
Allowed parameters are: |
523
|
|
|
|
|
|
|
C<< -is >> (followed by a value), |
524
|
|
|
|
|
|
|
C<< -to >> (followed by a value), |
525
|
|
|
|
|
|
|
C<< -in >> (followed by a value), |
526
|
|
|
|
|
|
|
C<< -like >> (followed by a value), |
527
|
|
|
|
|
|
|
C<< -match >> (followed by a value), |
528
|
|
|
|
|
|
|
C<< -cmp >> (followed by a value), |
529
|
|
|
|
|
|
|
C<< -numeric >> (no value), |
530
|
|
|
|
|
|
|
C<< -string >> (no value), |
531
|
|
|
|
|
|
|
C<< -not >> (no value), and |
532
|
|
|
|
|
|
|
C<< -nocase >> (no value). |
533
|
|
|
|
|
|
|
|
534
|
|
|
|
|
|
|
=back |
535
|
|
|
|
|
|
|
|
536
|
|
|
|
|
|
|
=begin trustme |
537
|
|
|
|
|
|
|
|
538
|
|
|
|
|
|
|
=item BUILD |
539
|
|
|
|
|
|
|
|
540
|
|
|
|
|
|
|
=end trustme |
541
|
|
|
|
|
|
|
|
542
|
|
|
|
|
|
|
=head1 METHODS |
543
|
|
|
|
|
|
|
|
544
|
|
|
|
|
|
|
=over |
545
|
|
|
|
|
|
|
|
546
|
|
|
|
|
|
|
=item C<< and( OTHER ) >> |
547
|
|
|
|
|
|
|
|
548
|
|
|
|
|
|
|
Return a LINQ::FieldSet::Assertion::AND object which is a conjunction of this |
549
|
|
|
|
|
|
|
assertion and another assertion. |
550
|
|
|
|
|
|
|
|
551
|
|
|
|
|
|
|
=item C<< or( OTHER ) >> |
552
|
|
|
|
|
|
|
|
553
|
|
|
|
|
|
|
Return a LINQ::FieldSet::Assertion::OR object which is an inclusive disjunction |
554
|
|
|
|
|
|
|
of this assertion and another assertion. |
555
|
|
|
|
|
|
|
|
556
|
|
|
|
|
|
|
=item C<not> |
557
|
|
|
|
|
|
|
|
558
|
|
|
|
|
|
|
Return a LINQ::FieldSet::Assertion::NOT object which is the negation of this |
559
|
|
|
|
|
|
|
assertion. |
560
|
|
|
|
|
|
|
|
561
|
|
|
|
|
|
|
=item C<coderef> |
562
|
|
|
|
|
|
|
|
563
|
|
|
|
|
|
|
Gets a coderef for this assertion; the coderef operates on C<< $_ >>. |
564
|
|
|
|
|
|
|
|
565
|
|
|
|
|
|
|
=item C<to_string> |
566
|
|
|
|
|
|
|
|
567
|
|
|
|
|
|
|
Basic string representation of the fieldset. |
568
|
|
|
|
|
|
|
|
569
|
|
|
|
|
|
|
=back |
570
|
|
|
|
|
|
|
|
571
|
|
|
|
|
|
|
The LINQ::FieldSet::Assertion::{AND,OR,NOT} classes are lightweight classes |
572
|
|
|
|
|
|
|
which also implement the C<and>, C<or>, C<not>, and C<coderef> methods, and |
573
|
|
|
|
|
|
|
have the same overloading as LINQ::FieldSet::Assertion, but do not inherit |
574
|
|
|
|
|
|
|
from it. |
575
|
|
|
|
|
|
|
|
576
|
|
|
|
|
|
|
=head1 OVERLOADING |
577
|
|
|
|
|
|
|
|
578
|
|
|
|
|
|
|
This class overloads |
579
|
|
|
|
|
|
|
C<< "" >> to call the C<< to_string >> method; |
580
|
|
|
|
|
|
|
C<< & >> to call the C<< and >> method; |
581
|
|
|
|
|
|
|
C<< | >> to call the C<< or >> method; |
582
|
|
|
|
|
|
|
C<< ~ >> to call the C<< not >> method; and |
583
|
|
|
|
|
|
|
C<< &{} >> to call the C<< coderef >> method. |
584
|
|
|
|
|
|
|
|
585
|
|
|
|
|
|
|
=head1 BUGS |
586
|
|
|
|
|
|
|
|
587
|
|
|
|
|
|
|
Please report any bugs to |
588
|
|
|
|
|
|
|
L<http://rt.cpan.org/Dist/Display.html?Queue=LINQ>. |
589
|
|
|
|
|
|
|
|
590
|
|
|
|
|
|
|
=head1 SEE ALSO |
591
|
|
|
|
|
|
|
|
592
|
|
|
|
|
|
|
L<LINQ::FieldSet>, L<LINQ::Util>. |
593
|
|
|
|
|
|
|
|
594
|
|
|
|
|
|
|
=head1 AUTHOR |
595
|
|
|
|
|
|
|
|
596
|
|
|
|
|
|
|
Toby Inkster E<lt>tobyink@cpan.orgE<gt>. |
597
|
|
|
|
|
|
|
|
598
|
|
|
|
|
|
|
=head1 COPYRIGHT AND LICENCE |
599
|
|
|
|
|
|
|
|
600
|
|
|
|
|
|
|
This software is copyright (c) 2021 by Toby Inkster. |
601
|
|
|
|
|
|
|
|
602
|
|
|
|
|
|
|
This is free software; you can redistribute it and/or modify it under |
603
|
|
|
|
|
|
|
the same terms as the Perl 5 programming language system itself. |
604
|
|
|
|
|
|
|
|
605
|
|
|
|
|
|
|
=head1 DISCLAIMER OF WARRANTIES |
606
|
|
|
|
|
|
|
|
607
|
|
|
|
|
|
|
THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED |
608
|
|
|
|
|
|
|
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
609
|
|
|
|
|
|
|
MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |