Mercurial > pub > Impl
annotate Lib/IMPL/Object.pm @ 276:8a5da17d7ef9
*IMPL::Class refactoring property definition mechanism (incomplete).
| author | sergey |
|---|---|
| date | Thu, 31 Jan 2013 17:37:44 +0400 |
| parents | 6d8092d8ce1b |
| children | 4ddb27ff4a0b |
| rev | line source |
|---|---|
| 49 | 1 package IMPL::Object; |
| 2 use strict; | |
| 3 | |
| 165 | 4 use parent qw(IMPL::Object::Abstract); |
| 230 | 5 require IMPL::Class::Property::Direct; |
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6 use IMPL::Const qw(:prop); |
| 49 | 7 |
| 8 sub surrogate { | |
| 9 bless {}, ref $_[0] || $_[0]; | |
| 10 } | |
| 11 | |
| 12 sub new { | |
| 13 my $class = shift; | |
| 14 my $self = bless {}, ref($class) || $class; | |
| 15 $self->callCTOR(@_); | |
| 16 | |
| 17 $self; | |
| 18 } | |
| 19 | |
| 20 sub _PropertyImplementor { | |
| 21 'IMPL::Class::Property::Direct' | |
| 22 } | |
| 23 | |
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*IMPL::Class refactoring property definition mechanism (incomplete).
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24 sub ImplementProperty { |
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25 my ($self,$name,$attributes) = @_; |
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26 |
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27 $attributes = { |
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28 get => $attributes & PROP_GET, |
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29 set => $attributes & PROP_SET, |
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30 isList => $attributes & PROP_LIST |
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31 } unless ref $attributes; |
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32 |
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33 $self->_ProppertyImplementor->Implement($name,$attributes); |
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34 } |
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35 |
| 53 | 36 1; |
| 37 | |
| 38 __END__ | |
| 39 | |
| 49 | 40 =pod |
| 53 | 41 |
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42 =head1 SINOPSYS |
| 49 | 43 |
| 64 | 44 =begin code |
| 45 | |
| 49 | 46 package Foo; |
| 165 | 47 use parent qw(IMPL::Object); |
| 49 | 48 |
| 49 sub CTOR { | |
| 50 my ($this,$arg) = @_; | |
| 51 print "Foo: $arg\n"; | |
| 52 } | |
| 53 | |
| 54 package Bar; | |
| 165 | 55 use parent qw(IMPL::Object); |
| 49 | 56 |
| 57 sub CTOR { | |
| 58 my ($this,$arg) = @_; | |
| 59 print "Bar: $arg\n"; | |
| 60 } | |
| 61 | |
| 62 package Baz; | |
| 165 | 63 use parent qw(Foo Bar); |
| 49 | 64 |
| 65 our %CTOR = ( | |
| 66 Foo => sub { my %args = @_; $args{Mazzi}; }, | |
| 67 Bar => sub { my %args = @_; $args{Fugi}; } | |
| 68 ); | |
| 69 | |
| 70 package Composite; | |
| 165 | 71 use parent qw(Baz Foo Bar); |
| 49 | 72 |
| 73 our %CTOR = ( | |
| 74 Foo => undef, | |
| 75 Bar => undef | |
| 76 ); | |
| 77 | |
| 78 sub CTOR { | |
| 79 my ($this,%args) = @_; | |
| 80 | |
| 81 print "Composite: $args{Text}\n"; | |
| 82 } | |
| 83 | |
| 84 package main; | |
| 85 | |
| 86 my $obj = new Composite( | |
| 87 Text => 'Hello World!', | |
| 88 Mazzi => 'Mazzi', | |
| 89 Fugi => 'Fugi' | |
| 90 ); | |
| 91 | |
| 92 # will print | |
| 93 # | |
| 94 # Foo: Mazzi | |
| 95 # Bar: Fugi | |
| 96 # Bar: | |
| 97 # Composite: Hello World! | |
| 98 | |
| 64 | 99 =end code |
| 100 | |
| 53 | 101 =head1 Description |
| 102 | |
| 180 | 103 Базовый класс для объектов, основанных на хеше. |
| 49 | 104 |
| 53 | 105 =head1 Members |
| 49 | 106 |
| 53 | 107 =over |
| 49 | 108 |
| 109 =item operator C<new>(@args) | |
| 110 | |
| 180 | 111 Создает экземпляр объекта и вызывает конструктор с параметрами @args. |
| 49 | 112 |
| 113 =item operator C<surrogate>() | |
| 114 | |
| 180 | 115 Создает неинициализированный экземпляр объекта. |
| 49 | 116 |
| 117 =back | |
| 118 | |
| 53 | 119 =head1 Cavearts |
| 49 | 120 |
| 180 | 121 Нужно заметить, что директива C<use parent> работает не совсем прозрачно, если в нашем примере |
| 122 класс C<Composite> наследуется от C<Baz>, а затем C<Foo>, то наследование от | |
| 123 C<Foo> не произойдет поскольку он уже имеется в C<Baz>. Вот не задача:) | |
| 49 | 124 |
| 125 =cut |