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annotate Lib/IMPL/DOM/Navigator/SimpleBuilder.pm @ 40:ac21a032e7a9

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bnf parser in progress
author Sergey
date Thu, 10 Dec 2009 17:43:39 +0300
parents 1828103371d0
children 16ada169ca75
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36
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1 package IMPL::DOM::Navigator::SimpleBuilder;
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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::Navigator);
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6
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7 use IMPL::Class::Property;
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8 use IMPL::Class::Property::Direct;
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9
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10 require IMPL::DOM::Navigator::SchemaNavigator;
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11 use IMPL::DOM::Document;
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12
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13 BEGIN {
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14 public _direct property Document => prop_get | owner_set;
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15 }
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16
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17 our %CTOR = (
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18 'IMPL::DOM::Navigator' => sub { IMPL::DOM::Document::Empty; }
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19 );
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20
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21 sub NavigateCreate {
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22 my ($this,$nodeName,%props) = @_;
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23
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24 my $node;
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25 if (! $this->{$Document}) {
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26 $node = $this->{$Document} = IMPL::DOM::Document->new(nodeName => $nodeName,%props);
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27 $this->_initNavigator($node);
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28 } else {
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29 die new IMPL::InvalidOperationException('Can\t create a second top level element') unless $this->Current;
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30 $node = $this->{$Document}->Create($nodeName,'IMPL::DOM::Node',\%props);
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31 $this->Current->appendChild($node);
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32 $this->internalNavigateNodeSet($node);
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33 }
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34 return $node;
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35 }
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36
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37 1;