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1 package IMPL::DOM::Node;
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2 use strict;
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3 use warnings;
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4
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11
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5 use base qw(IMPL::Object);
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6
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7 use IMPL::Object::List;
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8 use IMPL::Class::Property;
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9 use IMPL::Class::Property::Direct;
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10 use Scalar::Util qw(weaken);
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11
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1
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12 use IMPL::Exception;
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13
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14 BEGIN {
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4
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15 public _direct property nodeName => prop_get | owner_set;
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16 public _direct property isComplex => { get => \&_getIsComplex } ;
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17 public _direct property nodeValue => prop_all;
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18 public _direct property childNodes => { get => \&_getChildNodes };
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19 public _direct property parentNode => prop_get ;
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6
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20 private _direct property _propertyMap => prop_get ;
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21 }
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22
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23 sub CTOR {
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24 my ($this,%args) = @_;
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25
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26 $this->nodeName($args{nodeName}) or die new IMPL::InvalidArgumentException("A name is required");
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27 }
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28
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29 sub insertNode {
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30 my ($this,$node,$pos) = @_;
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4
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31
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32 die new IMPL::InvalidOperationException("You can't insert the node to itselft") if $this == $node;
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33
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34 $node->{$parentNode}->removeNode($node) if ($node->{$parentNode});
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35
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36 $this->childNodes->InsertAt($pos,$node);
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37
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38 $node->_setParent( $this );
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39
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40 return $node;
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41 }
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42
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43 sub _getChildNodes {
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44 my ($this) = @_;
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45
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46 $this->{$childNodes} = new IMPL::Object::List() unless $this->{$childNodes};
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47 $this->{$childNodes};
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48 }
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49
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50 sub removeNode {
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51 my ($this,$node) = @_;
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52
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53 if ($this == $node->{$parentNode}) {
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54 $this->childNodes->RemoveItem($node);
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55 $node->{$parentNode} = undef;
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56 return $this;
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57 } else {
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58 die new IMPL::InvalidOperationException("The specified node isn't belong to this node");
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59 }
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60 }
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61
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7
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62 sub replaceNodeAt {
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63 my ($this,$index,$node) = @_;
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64
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65 my $nodeOld = $this->childNodes->[$index];
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66
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67 die new IMPL::InvalidOperationException("You can't insert the node to itselft") if $this == $node;
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68
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69 # unlink node from previous parent
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70 $node->{$parentNode}->removeNode($node) if ($node->{$parentNode});
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71
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72 # replace (or set) old node
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73 $this->childNodes->[$index] = $node;
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74
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75 # save new parent
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76 $node->_setParent( $this );
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77
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78 # unlink old node if we have one
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79 $nodeOld->{$parentNode} = undef if $nodeOld;
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80
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81 # return old node
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82 return $nodeOld;
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83 }
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84
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85 sub removeAt {
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86 my ($this,$pos) = @_;
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87
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88 if ( my $node = $this->childNodes->RemoveAt($pos) ) {
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89 $node->{$parentNode} = undef;
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90 return $node;
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91 } else {
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92 return undef;
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93 }
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94 }
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95
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96 sub selectNodes {
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97 my ($this,$name) = @_;
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98
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99 my @result = grep $_->nodeName eq $name, @{$this->childNodes};
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100
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101 return wantarray ? @result : \@result;
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102 }
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103
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104 sub firstChild {
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105 @_ >=2 ? $_[0]->replaceNodeAt(0,$_[1]) : $_[0]->childNodes->[0];
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106 }
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107
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108 sub _getIsComplex {
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109 $_[0]->childNodes->Count ? 1 : 0;
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110 }
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111
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112 sub _setParent {
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113 my ($this,$node) = @_;
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114
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115 $this->{$parentNode} = $node;
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116 weaken($this->{$parentNode});
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117 }
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118
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119 sub text {
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120 my ($this) = @_;
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121
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122 join '', $this->nodeValue, map $_->nodeValue, @{$this->childNodes};
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123 }
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124
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125 sub Property {
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126 my $this = shift;
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127 my $name = shift;
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128
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129 if (@_) {
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130 # set
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131 return $this->{$_propertyMap}{$name} = shift;
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132 } else {
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133 return $this->{$_propertyMap}{$name};
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134 }
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135 }
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136
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137 1;
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