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11
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1 package IMPL::DOM::Navigator::Builder;
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2 use strict;
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3 use warnings;
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4
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34
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5 use base qw(IMPL::Object);
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11
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6 use IMPL::Class::Property;
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7 use IMPL::Class::Property::Direct;
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24
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8 require IMPL::DOM::Navigator::SchemaNavigator;
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11
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9
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10 BEGIN {
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34
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11 private _direct property _schemaNavi => prop_all;
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12 private _direct property _nodesPath => prop_all;
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13 private _direct property _nodeCurrent => prop_all;
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14 private _direct property _docClass => prop_all
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11
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15 public _direct property Document => prop_get | owner_set;
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16 }
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17
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18 sub CTOR {
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34
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19 my ($this,$docClass,$schema) = @_;
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11
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20
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34
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21 $this->{$_docClass} = $docClass;
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35
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22 $this->{$_schemaNavi} = $schema ? IMPL::DOM::Navigator::SchemaNavigator->new($schema) : undef;
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11
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23 }
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24
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25 sub NavigateCreate {
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26 my ($this,$nodeName,%props) = @_;
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27
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34
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28 if (my $schemaNode = $this->{$_schemaNavi}->NavigateName($nodeName)) {
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29 my $class = $schemaNode->can('nativeType') ? $schemaNode->nativeType : 'IMPL::DOM::Node';
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30
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31 my $node;
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32 if (! $this->{$Document}) {
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33 $node = $this->{$Document} = $this->{$_docClass}->new(nodeName => $nodeName,%props);
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34 } else {
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35
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35 die new IMPL::InvalidOperationException('Can\t create a second top level element') unless $this->{$_nodeCurrent};
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34
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36 $node = $this->{$Document}->Create($nodeName,$class,\%props);
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37 push @{$this->{$_nodesPath}}, $this->{$_nodeCurrent};
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38 $this->{$_nodeCurrent}->appendChild($node);
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39 }
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40
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41 $this->{$_nodeCurrent} = $node;
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42
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43 return $node;
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44 } else {
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45 die new IMPL::InvalidOperationException("The specified node is undefined", $nodeName);
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46 }
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11
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47 }
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48
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15
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49 sub Back {
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50 my ($this) = @_;
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51
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34
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52 $this->{$_schemaNavi}->SchemaBack();
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53 $this->{$_nodeCurrent} = pop @{$this->{$_nodesPath}};
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15
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54 }
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55
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11
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56 1;
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15
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57
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58 __END__
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59 =pod
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60
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61 =head1 SYNOPSIS
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62
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63 my $builder = new IMPL::DOM::Navigator::Builder(new MyApp::Document,$schema);
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64 my $reader = new IMPL::DOM::XMLReader(Navigator => $builder);
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65
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66 $reader->ParseFile("document.xml");
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67
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68 my @errors = $schema->Validate($builder->Document);
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69
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70 =head1 DESCRIPTION
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71
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72 DOM .
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73 C<IMPL::DOM::XMLReader>.
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74
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75 =head1 METHODS
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76
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77 =over
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78
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79 =item C<CTOR($domDocument,$schema)>
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80
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81 , ( )
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82 .
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83
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84 =item C<< $obj->NavigateCreate($nodeName) >>
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85
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86 .
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87 , .
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88
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89 ,
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90 .
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91
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92 nodeName,
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93 .
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94
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95 =back
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96
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97 =cut |
