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