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| 1 |  |  |  |  |  |  | package Eixo::Base::Util; | 
| 2 |  |  |  |  |  |  |  | 
| 3 | 10 |  |  | 10 |  | 132435 | use strict; | 
|  | 10 |  |  |  |  | 47 |  | 
|  | 10 |  |  |  |  | 292 |  | 
| 4 | 10 |  |  | 10 |  | 57 | use warnings; | 
|  | 10 |  |  |  |  | 20 |  | 
|  | 10 |  |  |  |  | 309 |  | 
| 5 |  |  |  |  |  |  |  | 
| 6 | 10 |  |  | 10 |  | 55 | use Scalar::Util; | 
|  | 10 |  |  |  |  | 39 |  | 
|  | 10 |  |  |  |  | 650 |  | 
| 7 |  |  |  |  |  |  |  | 
| 8 | 10 |  |  | 10 |  | 5584 | use Attribute::Handlers; | 
|  | 10 |  |  |  |  | 49634 |  | 
|  | 10 |  |  |  |  | 50 |  | 
| 9 |  |  |  |  |  |  |  | 
| 10 |  |  |  |  |  |  | # | 
| 11 |  |  |  |  |  |  | # Signature-based validation | 
| 12 |  |  |  |  |  |  | # | 
| 13 |  |  |  |  |  |  | my $EQUIVALENCES = { | 
| 14 |  |  |  |  |  |  |  | 
| 15 |  |  |  |  |  |  | i => 'integer', | 
| 16 |  |  |  |  |  |  | f => 'float', | 
| 17 |  |  |  |  |  |  | s => 'string', | 
| 18 |  |  |  |  |  |  | b => 'boolean', | 
| 19 |  |  |  |  |  |  | o => 'object', | 
| 20 |  |  |  |  |  |  | }; | 
| 21 |  |  |  |  |  |  |  | 
| 22 |  |  |  |  |  |  | # | 
| 23 |  |  |  |  |  |  | # Signature of the subroutine | 
| 24 |  |  |  |  |  |  | # | 
| 25 |  |  |  |  |  |  | sub UNIVERSAL::Sig :ATTR(CODE){ | 
| 26 |  |  |  |  |  |  |  | 
| 27 | 3 |  |  | 3 | 0 | 6564 | my ($pkg, $sym, $code, $attr_name, $data) = @_; | 
| 28 |  |  |  |  |  |  |  | 
| 29 | 3 | 100 |  |  |  | 12 | unless(ref($data)){ | 
| 30 |  |  |  |  |  |  |  | 
| 31 | 1 |  |  |  |  | 6 | $data = [split(/\s*\,\s*/, $data)]; | 
| 32 |  |  |  |  |  |  |  | 
| 33 |  |  |  |  |  |  | } | 
| 34 |  |  |  |  |  |  |  | 
| 35 | 3 |  |  |  |  | 9 | my @e = @$data; | 
| 36 |  |  |  |  |  |  |  | 
| 37 | 3 |  |  |  |  | 4 | my @validators; | 
| 38 |  |  |  |  |  |  |  | 
| 39 | 3 |  |  |  |  | 3 | my $arg_n = 0; | 
| 40 |  |  |  |  |  |  |  | 
| 41 | 3 |  |  |  |  | 7 | foreach my $e (@e){ | 
| 42 |  |  |  |  |  |  |  | 
| 43 | 8 |  |  |  |  | 14 | my ($n, $expected_value) = ($arg_n++, $e); | 
| 44 |  |  |  |  |  |  |  | 
| 45 | 8 | 50 |  |  |  | 17 | if($e =~ /^([\d|\*]+)\:(.+)$/){ | 
| 46 | 0 |  |  |  |  | 0 | ($n, $expected_value) = ($1, $2); | 
| 47 |  |  |  |  |  |  | } | 
| 48 |  |  |  |  |  |  |  | 
| 49 | 8 |  |  |  |  | 14 | push @validators, [&__createValidator($n, $expected_value, $pkg), $expected_value, $n]; | 
| 50 |  |  |  |  |  |  |  | 
| 51 |  |  |  |  |  |  | } | 
| 52 |  |  |  |  |  |  |  | 
| 53 |  |  |  |  |  |  | my $f_v = sub { | 
| 54 |  |  |  |  |  |  |  | 
| 55 | 4 |  |  | 4 |  | 17 | foreach my $validator (@validators){ | 
| 56 |  |  |  |  |  |  |  | 
| 57 | 9 | 100 |  |  |  | 30 | unless($validator->[0]->(\@_)){ | 
| 58 |  |  |  |  |  |  |  | 
| 59 | 2 |  | 66 |  |  | 13 | my $expected_value = $EQUIVALENCES->{$validator->[1]} || $validator->[1]; | 
| 60 |  |  |  |  |  |  |  | 
| 61 | 2 |  |  |  |  | 4 | die(*{$sym}{NAME} . ': expected value \'' . $expected_value . '\' in arg (' . $validator->[2] . ')'); | 
|  | 2 |  |  |  |  | 24 |  | 
| 62 |  |  |  |  |  |  |  | 
| 63 |  |  |  |  |  |  | } | 
| 64 |  |  |  |  |  |  | } | 
| 65 |  |  |  |  |  |  |  | 
| 66 | 3 |  |  |  |  | 20 | }; | 
| 67 |  |  |  |  |  |  |  | 
| 68 | 10 |  |  | 10 |  | 3328 | no warnings 'redefine'; | 
|  | 10 |  |  |  |  | 26 |  | 
|  | 10 |  |  |  |  | 983 |  | 
| 69 |  |  |  |  |  |  |  | 
| 70 | 3 |  |  |  |  | 12 | *{$sym} = sub { | 
| 71 |  |  |  |  |  |  |  | 
| 72 | 4 |  |  | 4 |  | 1109 | $f_v->(@_); | 
| 73 |  |  |  |  |  |  |  | 
| 74 | 2 |  |  |  |  | 7 | $code->(@_); | 
| 75 |  |  |  |  |  |  |  | 
| 76 |  |  |  |  |  |  | } | 
| 77 |  |  |  |  |  |  |  | 
| 78 | 10 |  |  | 10 |  | 77 | } | 
|  | 10 |  |  |  |  | 21 |  | 
|  | 10 |  |  |  |  | 47 |  | 
|  | 3 |  |  |  |  | 10 |  | 
| 79 |  |  |  |  |  |  |  | 
| 80 |  |  |  |  |  |  | sub __createValidator{ | 
| 81 | 8 |  |  | 8 |  | 11 | my ($dim, $expected_value, $pkg) = @_; | 
| 82 |  |  |  |  |  |  |  | 
| 83 |  |  |  |  |  |  | sub { | 
| 84 | 9 |  |  | 9 |  | 13 | my $args = $_[0]; | 
| 85 |  |  |  |  |  |  |  | 
| 86 | 9 | 50 |  |  |  | 20 | if($dim eq '*') { | 
| 87 |  |  |  |  |  |  |  | 
| 88 | 0 |  |  |  |  | 0 | foreach(@$args){ | 
| 89 |  |  |  |  |  |  |  | 
| 90 | 0 | 0 |  |  |  | 0 | return unless(&__v($_, $expected_value)); | 
| 91 |  |  |  |  |  |  | } | 
| 92 |  |  |  |  |  |  |  | 
| 93 | 0 |  |  |  |  | 0 | return 1; | 
| 94 |  |  |  |  |  |  |  | 
| 95 |  |  |  |  |  |  | } | 
| 96 |  |  |  |  |  |  | else{ | 
| 97 |  |  |  |  |  |  |  | 
| 98 | 9 |  |  |  |  | 24 | &__v($args->[$dim], $expected_value, $pkg); | 
| 99 |  |  |  |  |  |  | } | 
| 100 |  |  |  |  |  |  | } | 
| 101 |  |  |  |  |  |  |  | 
| 102 | 8 |  |  |  |  | 35 | } | 
| 103 |  |  |  |  |  |  |  | 
| 104 |  |  |  |  |  |  |  | 
| 105 |  |  |  |  |  |  | my $PERL_REFS_REG = qr/^(SCALAR|ARRAY|HASH|CODE|GLOB|RegExp)$/o; | 
| 106 |  |  |  |  |  |  |  | 
| 107 |  |  |  |  |  |  | sub __v{ | 
| 108 | 9 |  |  | 9 |  | 31 | my ($v, $e, $pkg) = @_; | 
| 109 |  |  |  |  |  |  |  | 
| 110 | 9 | 50 |  |  |  | 59 | if($e eq 'b'){ | 
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| 111 | 0 |  | 0 |  |  | 0 | return !defined($v) || $v == 1 | 
| 112 |  |  |  |  |  |  | } | 
| 113 |  |  |  |  |  |  | elsif(!defined($v)){ | 
| 114 | 1 |  |  |  |  | 3 | return undef; | 
| 115 |  |  |  |  |  |  | } | 
| 116 |  |  |  |  |  |  | elsif($e eq 'i'){ | 
| 117 | 4 |  |  |  |  | 38 | return $v =~ /^(\-)?\d+$/; | 
| 118 |  |  |  |  |  |  | } | 
| 119 |  |  |  |  |  |  | elsif($e eq 'f'){ | 
| 120 | 0 |  |  |  |  | 0 | return $v =~ /^(\-)?\d+\.\d+$/; | 
| 121 |  |  |  |  |  |  | } | 
| 122 |  |  |  |  |  |  | elsif($e eq 's'){ | 
| 123 | 1 |  |  |  |  | 4 | return !ref($v) | 
| 124 |  |  |  |  |  |  | } | 
| 125 |  |  |  |  |  |  | elsif($e eq 'o'){ | 
| 126 | 0 |  |  |  |  | 0 | return &Scalar::Util::blessed($v); | 
| 127 |  |  |  |  |  |  | } | 
| 128 |  |  |  |  |  |  | elsif($e eq 'self'){ | 
| 129 |  |  |  |  |  |  |  | 
| 130 | 1 | 50 |  |  |  | 23 | &Scalar::Util::blessed($v) && $v->isa($pkg) | 
| 131 |  |  |  |  |  |  |  | 
| 132 |  |  |  |  |  |  | } | 
| 133 |  |  |  |  |  |  | elsif($e =~ $PERL_REFS_REG){ | 
| 134 | 2 |  |  |  |  | 9 | return ref($v) eq $e; | 
| 135 |  |  |  |  |  |  | } | 
| 136 |  |  |  |  |  |  | else{ | 
| 137 |  |  |  |  |  |  |  | 
| 138 | 0 |  | 0 |  |  |  | return ref($v) | 
| 139 |  |  |  |  |  |  |  | 
| 140 |  |  |  |  |  |  | && ref($v) !~ $PERL_REFS_REG | 
| 141 |  |  |  |  |  |  |  | 
| 142 |  |  |  |  |  |  | && $v->isa($e); | 
| 143 |  |  |  |  |  |  |  | 
| 144 |  |  |  |  |  |  | } | 
| 145 |  |  |  |  |  |  |  | 
| 146 |  |  |  |  |  |  | } | 
| 147 |  |  |  |  |  |  |  | 
| 148 |  |  |  |  |  |  | 1; | 
| 149 |  |  |  |  |  |  |  |