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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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4
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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 $node;
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41 }
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42
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14
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43 sub appendNode {
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44 my ($this,$node,$pos) = @_;
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45
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46 die new IMPL::InvalidOperationException("You can't insert the node to itselft") if $this == $node;
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47
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48 $node->{$parentNode}->removeNode($node) if ($node->{$parentNode});
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49
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50 $this->childNodes->Append($node);
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51
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52 $node->_setParent( $this );
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53
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54 return $node;
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55 }
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56
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57 sub _getChildNodes {
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58 my ($this) = @_;
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59
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60 $this->{$childNodes} = new IMPL::Object::List() unless $this->{$childNodes};
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61 $this->{$childNodes};
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62 }
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63
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64 sub removeNode {
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65 my ($this,$node) = @_;
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66
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67 if ($this == $node->{$parentNode}) {
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68 $this->childNodes->RemoveItem($node);
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69 $node->{$parentNode} = undef;
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70 return $this;
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71 } else {
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72 die new IMPL::InvalidOperationException("The specified node isn't belong to this node");
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73 }
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74 }
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75
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76 sub replaceNodeAt {
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77 my ($this,$index,$node) = @_;
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78
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79 my $nodeOld = $this->childNodes->[$index];
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80
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81 die new IMPL::InvalidOperationException("You can't insert the node to itselft") if $this == $node;
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82
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83 # unlink node from previous parent
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84 $node->{$parentNode}->removeNode($node) if ($node->{$parentNode});
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85
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86 # replace (or set) old node
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87 $this->childNodes->[$index] = $node;
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88
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89 # save new parent
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90 $node->_setParent( $this );
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91
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92 # unlink old node if we have one
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93 $nodeOld->{$parentNode} = undef if $nodeOld;
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94
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95 # return old node
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96 return $nodeOld;
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97 }
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98
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99 sub removeAt {
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100 my ($this,$pos) = @_;
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101
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102 if ( my $node = $this->childNodes->RemoveAt($pos) ) {
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103 $node->{$parentNode} = undef;
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104 return $node;
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105 } else {
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106 return undef;
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107 }
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108 }
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109
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110 sub selectNodes {
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111 my ($this,$query) = @_;
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112 my @result;
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113
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114 if (ref $query eq 'CODE') {
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115 @result = grep &$query($_), @{$this->childNodes};
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116 } else {
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117 @result = grep $_->nodeName eq $query, @{$this->childNodes};
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118 }
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119
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120 return wantarray ? @result : \@result;
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121 }
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122
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123 sub firstChild {
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124 @_ >=2 ? $_[0]->replaceNodeAt(0,$_[1]) : $_[0]->childNodes->[0];
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125 }
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126
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127 sub _getIsComplex {
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128 $_[0]->childNodes->Count ? 1 : 0;
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129 }
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130
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131 sub _setParent {
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132 my ($this,$node) = @_;
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133
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134 $this->{$parentNode} = $node;
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135 # prevent from creating cyclicreferences
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136 weaken($this->{$parentNode});
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137 }
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138
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139 sub text {
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140 my ($this) = @_;
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141
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142 join '', $this->nodeValue, map $_->nodeValue, @{$this->childNodes};
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143 }
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144
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145 sub Property {
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146 my $this = shift;
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147 my $name = shift;
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148
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149 if (@_) {
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150 # set
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151 return $this->{$_propertyMap}{$name} = shift;
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152 } else {
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6
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153 return $this->{$_propertyMap}{$name};
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154 }
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155 }
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156
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157 1;
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