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1 | package Moose::Util::TypeConstraints::OptimizedConstraints; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
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6 | use Scalar::Util 'blessed', 'looks_like_number'; |
7 | |
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8 | our $VERSION = '0.53'; |
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9 | our $AUTHORITY = 'cpan:STEVAN'; |
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10 | |
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11 | sub Value { defined($_[0]) && !ref($_[0]) } |
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12 | |
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13 | sub Ref { ref($_[0]) } |
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14 | |
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15 | sub Str { defined($_[0]) && !ref($_[0]) } |
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16 | |
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17 | sub Num { !ref($_[0]) && looks_like_number($_[0]) } |
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18 | |
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19 | sub Int { defined($_[0]) && !ref($_[0]) && $_[0] =~ /^-?[0-9]+$/ } |
20 | |
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21 | sub ScalarRef { ref($_[0]) eq 'SCALAR' } |
22 | sub ArrayRef { ref($_[0]) eq 'ARRAY' } |
23 | sub HashRef { ref($_[0]) eq 'HASH' } |
24 | sub CodeRef { ref($_[0]) eq 'CODE' } |
25 | sub RegexpRef { ref($_[0]) eq 'Regexp' } |
26 | sub GlobRef { ref($_[0]) eq 'GLOB' } |
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27 | |
28 | sub FileHandle { ref($_[0]) eq 'GLOB' && Scalar::Util::openhandle($_[0]) or blessed($_[0]) && $_[0]->isa("IO::Handle") } |
29 | |
30 | sub Object { blessed($_[0]) && blessed($_[0]) ne 'Regexp' } |
31 | |
32 | sub Role { blessed($_[0]) && $_[0]->can('does') } |
33 | |
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34 | sub ClassName { |
35 | return 0 if ref($_[0]) || !defined($_[0]) || !length($_[0]); |
36 | |
37 | # walk the symbol table tree to avoid autovififying |
38 | # \*{${main::}{"Foo::"}} == \*main::Foo:: |
39 | |
40 | my $pack = \*::; |
41 | foreach my $part (split('::', $_[0])) { |
42 | return 0 unless exists ${$$pack}{"${part}::"}; |
43 | $pack = \*{${$$pack}{"${part}::"}}; |
44 | } |
45 | |
46 | # check for $VERSION or @ISA |
47 | return 1 if exists ${$$pack}{VERSION} |
48 | && defined *{${$$pack}{VERSION}}{SCALAR}; |
49 | return 1 if exists ${$$pack}{ISA} |
50 | && defined *{${$$pack}{ISA}}{ARRAY}; |
51 | |
52 | # check for any method |
53 | foreach ( keys %{$$pack} ) { |
54 | next if substr($_, -2, 2) eq '::'; |
55 | return 1 if defined *{${$$pack}{$_}}{CODE}; |
56 | } |
57 | |
58 | # fail |
59 | return 0; |
60 | } |
61 | |
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62 | # NOTE: |
63 | # we have XS versions too, ... |
64 | # 04:09 <@konobi> nothingmuch: konobi.co.uk/code/utilsxs.tar.gz |
65 | # 04:09 <@konobi> or utilxs.tar.gz iirc |
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66 | |
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67 | 1; |
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68 | |
69 | __END__ |
70 | |
71 | =pod |
72 | |
73 | =head1 NAME |
74 | |
75 | Moose::Util::TypeConstraints::OptimizedConstraints - Optimized constraint |
76 | bodies for various moose types |
77 | |
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78 | =head1 DESCRIPTION |
79 | |
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80 | This file contains the hand optimized versions of Moose type constraints, |
81 | no user serviceable parts inside. |
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82 | |
83 | =head1 FUNCTIONS |
84 | |
85 | =over 4 |
86 | |
87 | =item Value |
88 | |
89 | =item Ref |
90 | |
91 | =item Str |
92 | |
93 | =item Num |
94 | |
95 | =item Int |
96 | |
97 | =item ScalarRef |
98 | |
99 | =item ArrayRef |
100 | |
101 | =item HashRef |
102 | |
103 | =item CodeRef |
104 | |
105 | =item RegexpRef |
106 | |
107 | =item GlobRef |
108 | |
109 | =item FileHandle |
110 | |
111 | =item Object |
112 | |
113 | =item Role |
114 | |
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115 | =item ClassName |
116 | |
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117 | =back |
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118 | |
119 | =head1 BUGS |
120 | |
121 | All complex software has bugs lurking in it, and this module is no |
122 | exception. If you find a bug please either email me, or add the bug |
123 | to cpan-RT. |
124 | |
125 | =head1 AUTHOR |
126 | |
127 | Yuval Kogman E<lt>nothingmuch@cpan.orgE<gt> |
128 | |
129 | =head1 COPYRIGHT AND LICENSE |
130 | |
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131 | Copyright 2007-2008 by Infinity Interactive, Inc. |
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132 | |
133 | L<http://www.iinteractive.com> |
134 | |
135 | This library is free software; you can redistribute it and/or modify |
136 | it under the same terms as Perl itself. |
137 | |
138 | =cut |