annotate Lib/IMPL/DOM/Document.pm @ 96:4c55aed00ff2

Minor changes
author wizard
date Fri, 30 Apr 2010 15:03:38 +0400
parents 9d24db321029
children 196bf443b5e1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 package IMPL::DOM::Document;
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2 use strict;
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3 use warnings;
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4
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5 use base qw(IMPL::DOM::Node);
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6
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7 __PACKAGE__->PassThroughArgs;
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8
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9 sub document {
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10 return $_[0];
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11 }
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12
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13 sub Create {
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14 my ($this,$nodeName,$class,$refProps) = @_;
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15
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16 $refProps ||= {};
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17
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18 delete $refProps->{nodeName};
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19
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20 return $class->new(
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21 nodeName => $nodeName,
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22 document => $this,
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23 %$refProps
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24 );
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25 }
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26
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27 {
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28 my $empty;
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29 sub Empty() {
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30 return $empty ? $empty : $empty = __PACKAGE__->new(nodeName => 'Empty');
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31 }
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32 }
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33
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34 1;
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35 __END__
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36
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37 =pod
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38
77
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39 =head1 NAME
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40
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41 C<IMPL::DOM::Document> DOM документ.
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42
49
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43 =head1 DESCRIPTION
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44
77
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45 Документ, позволяет создавать узлы определенных типов, что позволяет абстрагироваться
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46 от механизмов реального создания объектов. Т.о. например C<IMPL::DOM::Navigator::Builder>
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47 может формировать произвольные документы.
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48
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49 =head1 SYNOPSIS
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50
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51 =begin code
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52
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53 package MyDocument;
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54 use base qw(IMPL::DOM::Document);
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55
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56 sub Create {
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57 my $this = shift;
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58 my ($name,$class,$hashProps) = @_;
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59
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60 if ($class eq 'Info') {
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61 return MyInfo->new($name,$hashProps->{date},$hashProps->{description});
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62 } else {
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63 # leave as it is
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64 return $this->SUPER::Create(@_);
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65 }
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66 }
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67
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68 =end code
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69
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70 =head1 METHODS
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71
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72 =over
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73
77
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74 =item C< Create($nodeName,$class,$hashProps) >
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75
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76 Реализация по умолчанию. Создает узел определеннго типа с определенным именем и свойствами.
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77
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78 =begin code
49
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79
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80 sub Create {
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81 my ($this,$nodeName,$class,$hashProps) = @_;
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82
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83 return $class->new (
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84 nodeName => $nodeName,
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85 document => $this,
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86 %$hashProps
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87 );
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88 }
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89
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90 =end code
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91
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92 =back
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93
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94 =cut