Mercurial > pub > Impl
annotate Lib/IMPL/DOM/Document.pm @ 337:f4e14f32cf54
fixed bugs with string and local $_
added support for localized labels
| author | cin |
|---|---|
| date | Fri, 14 Jun 2013 15:37:34 +0400 |
| parents | 77df11605d3a |
| children | 010ceafd0c5a |
| rev | line source |
|---|---|
| 49 | 1 package IMPL::DOM::Document; |
| 2 use strict; | |
| 3 use warnings; | |
| 4 | |
| 280 | 5 use IMPL::lang; |
| 315 | 6 use IMPL::declare { |
| 7 require => { | |
| 8 DOMNode => 'IMPL::DOM::Node' | |
| 9 }, | |
| 10 base => [ | |
| 11 DOMNode => '@_' | |
| 12 ] | |
| 13 }; | |
| 49 | 14 |
| 15 sub document { | |
| 16 return $_[0]; | |
| 17 } | |
| 18 | |
| 19 sub Create { | |
| 20 my ($this,$nodeName,$class,$refProps) = @_; | |
| 21 | |
|
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22 if ( ref $class eq 'HASH' ) { |
| 194 | 23 $refProps = $class; |
| 24 $class = undef; | |
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25 } |
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26 |
| 315 | 27 $class ||= DOMNode; |
| 49 | 28 $refProps ||= {}; |
| 29 | |
| 30 delete $refProps->{nodeName}; | |
| 31 | |
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32 die new IMPL::Exception("class is not specified") unless $class; |
| 49 | 33 return $class->new( |
| 34 nodeName => $nodeName, | |
| 35 document => $this, | |
| 36 %$refProps | |
| 37 ); | |
| 38 } | |
| 39 | |
| 152 | 40 sub save { |
| 194 | 41 my ($this,$writer) = @_; |
| 42 | |
| 43 $writer->xmlDecl(undef,'yes'); | |
| 44 $this->SUPER::save($writer); | |
| 45 $writer->end(); | |
| 152 | 46 } |
| 47 | |
| 49 | 48 { |
| 49 my $empty; | |
| 50 sub Empty() { | |
| 51 return $empty ? $empty : $empty = __PACKAGE__->new(nodeName => 'Empty'); | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 1; | |
| 56 __END__ | |
| 57 | |
| 58 =pod | |
| 59 | |
| 77 | 60 =head1 NAME |
| 61 | |
| 180 | 62 C<IMPL::DOM::Document> DOM документ. |
| 77 | 63 |
| 49 | 64 =head1 DESCRIPTION |
| 65 | |
| 180 | 66 Документ, позволяет создавать узлы определенных типов, что позволяет абстрагироваться |
| 67 от механизмов реального создания объектов. Т.о. например C<IMPL::DOM::Navigator::Builder> | |
| 68 может формировать произвольные документы. | |
| 77 | 69 |
| 70 =head1 SYNOPSIS | |
| 71 | |
| 72 =begin code | |
| 73 | |
| 74 package MyDocument; | |
| 165 | 75 use parent qw(IMPL::DOM::Document); |
| 77 | 76 |
| 77 sub Create { | |
| 194 | 78 my $this = shift; |
| 79 my ($name,$class,$hashProps) = @_; | |
| 80 | |
| 81 if ($class eq 'Info') { | |
| 82 return MyInfo->new($name,$hashProps->{date},$hashProps->{description}); | |
| 83 } else { | |
| 84 # leave as it is | |
| 85 return $this->SUPER::Create(@_); | |
| 86 } | |
| 77 | 87 } |
| 88 | |
| 89 =end code | |
| 90 | |
| 49 | 91 =head1 METHODS |
| 92 | |
| 93 =over | |
| 94 | |
| 77 | 95 =item C< Create($nodeName,$class,$hashProps) > |
| 96 | |
| 180 | 97 Реализация по умолчанию. Создает узел определеннго типа с определенным именем и свойствами. |
| 77 | 98 |
| 99 =begin code | |
| 49 | 100 |
| 77 | 101 sub Create { |
| 194 | 102 my ($this,$nodeName,$class,$hashProps) = @_; |
| 103 | |
| 104 return $class->new ( | |
| 105 nodeName => $nodeName, | |
| 106 document => $this, | |
| 107 %$hashProps | |
| 108 ); | |
| 77 | 109 } |
| 110 | |
| 111 =end code | |
| 49 | 112 |
| 152 | 113 =item C< save($writer) > |
| 114 | |
| 180 | 115 Сохраняет документ в виде XML узла и вызывает C<< $writer->end() >>. |
| 152 | 116 |
| 117 =over | |
| 118 | |
| 119 =item C<$writer> | |
| 120 | |
| 180 | 121 Объект с интерфейсом C<XML::Writer> который будет использован для записи |
| 122 содержимого документа | |
| 152 | 123 |
| 124 =back | |
| 125 | |
| 49 | 126 =back |
| 127 | |
| 128 =cut |