Mercurial > pub > Impl
annotate Lib/IMPL/DOM/Document.pm @ 143:d9dd3500ead3
Singleton behavior changed
| author | wizard |
|---|---|
| date | Thu, 08 Jul 2010 23:46:49 +0400 |
| parents | 196bf443b5e1 |
| children | e6447ad85cb4 |
| rev | line source |
|---|---|
| 49 | 1 package IMPL::DOM::Document; |
| 2 use strict; | |
| 3 use warnings; | |
| 4 | |
| 5 use base qw(IMPL::DOM::Node); | |
| 6 | |
| 7 __PACKAGE__->PassThroughArgs; | |
| 8 | |
| 9 sub document { | |
| 10 return $_[0]; | |
| 11 } | |
| 12 | |
| 13 sub Create { | |
| 14 my ($this,$nodeName,$class,$refProps) = @_; | |
| 15 | |
| 16 $refProps ||= {}; | |
| 17 | |
| 18 delete $refProps->{nodeName}; | |
| 19 | |
|
104
196bf443b5e1
DOM::Schema RC0 inflators support, validation and some other things,
wizard
parents:
77
diff
changeset
|
20 die new IMPL::Exception("class is not specified") unless $class; |
| 49 | 21 return $class->new( |
| 22 nodeName => $nodeName, | |
| 23 document => $this, | |
| 24 %$refProps | |
| 25 ); | |
| 26 } | |
| 27 | |
| 28 { | |
| 29 my $empty; | |
| 30 sub Empty() { | |
| 31 return $empty ? $empty : $empty = __PACKAGE__->new(nodeName => 'Empty'); | |
| 32 } | |
| 33 } | |
| 34 | |
| 35 1; | |
| 36 __END__ | |
| 37 | |
| 38 =pod | |
| 39 | |
| 77 | 40 =head1 NAME |
| 41 | |
| 42 C<IMPL::DOM::Document> DOM документ. | |
| 43 | |
| 49 | 44 =head1 DESCRIPTION |
| 45 | |
| 77 | 46 Документ, позволяет создавать узлы определенных типов, что позволяет абстрагироваться |
| 47 от механизмов реального создания объектов. Т.о. например C<IMPL::DOM::Navigator::Builder> | |
| 48 может формировать произвольные документы. | |
| 49 | |
| 50 =head1 SYNOPSIS | |
| 51 | |
| 52 =begin code | |
| 53 | |
| 54 package MyDocument; | |
| 55 use base qw(IMPL::DOM::Document); | |
| 56 | |
| 57 sub Create { | |
| 58 my $this = shift; | |
| 59 my ($name,$class,$hashProps) = @_; | |
| 60 | |
| 61 if ($class eq 'Info') { | |
| 62 return MyInfo->new($name,$hashProps->{date},$hashProps->{description}); | |
| 63 } else { | |
| 64 # leave as it is | |
| 65 return $this->SUPER::Create(@_); | |
| 66 } | |
| 67 } | |
| 68 | |
| 69 =end code | |
| 70 | |
| 49 | 71 =head1 METHODS |
| 72 | |
| 73 =over | |
| 74 | |
| 77 | 75 =item C< Create($nodeName,$class,$hashProps) > |
| 76 | |
| 77 Реализация по умолчанию. Создает узел определеннго типа с определенным именем и свойствами. | |
| 78 | |
| 79 =begin code | |
| 49 | 80 |
| 77 | 81 sub Create { |
| 82 my ($this,$nodeName,$class,$hashProps) = @_; | |
| 83 | |
| 84 return $class->new ( | |
| 85 nodeName => $nodeName, | |
| 86 document => $this, | |
| 87 %$hashProps | |
| 88 ); | |
| 89 } | |
| 90 | |
| 91 =end code | |
| 49 | 92 |
| 93 =back | |
| 94 | |
| 95 =cut |