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236
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1 package IMPL::DOM::Transform::ObjectToDOM;
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2 use strict;
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3
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4 use IMPL::Const qw(:prop :access);
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5 use IMPL::declare {
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6 require => {
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7 PropertyInfo => 'IMPL::Class::PropertyInfo',
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8 Builder => 'IMPL::DOM::Navigator::Builder',
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9 Exception => 'IMPL::Exception',
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10 ArgumentException => '-IMPL::InvalidArgumentException',
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11 OperationException => '-IMPL::InvalidOperationException'
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12 },
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13 base => [
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14 'IMPL::Transform' => sub {
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15 -plain => \&TransformPlain,
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16 HASH => \&TransformHash,
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17 -default => \&TransformDefault
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18 }
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19 ],
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20 props => [
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21 documentSchema => PROP_RO,
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22 _schema => PROP_RW,
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23 _navi => PROP_RW
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24 ]
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25 };
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26
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246
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27 use constant {
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28 SchemaNode => 'IMPL::DOM::Schema::Node'
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29 };
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30
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236
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31 sub CTOR {
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237
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32 my ($this,$docName,$docSchema,$transforms) = @_;
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236
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33
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246
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34 my $docNodeSchema = $docSchema->selectSingleNode(sub { $_->isa(SchemaNode) and $_->name eq $docName } )
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236
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35 or die OperationException->new("Can't find a node schema for the document '$docName'");
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36
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37 my $docClass = ($docNodeSchema->can('nativeType') ? $docNodeSchema->nativeType : undef) || 'IMPL::DOM::Document';
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38
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39 $this->documentSchema($docNodeSchema);
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40
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41 $this->_navi(
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42 Builder->new(
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43 $docClass,
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44 $docSchema,
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45 ignoreUndefined => 1
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46 )
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47 );
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48 $this->_schema($docSchema);
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49
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50 $this->_navi->NavigateCreate($docName);
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51 }
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52
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53 sub TransformPlain {
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54 my ($this,$data) = @_;
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55
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56 $this->_navi->Current->nodeValue( $this->_navi->inflateValue($data) );
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57 return $this->_navi->Current;
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58 }
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59
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60 sub TransformHash {
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61 my ($this,$data) = @_;
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62
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63 die ArgumentException->new(data => 'A HASH reference is required')
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64 unless ref $data eq 'HASH';
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65
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66 KEYLOOP: foreach my $key (keys %$data) {
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67 my $value = $data->{$key};
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68
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69 if (ref $value eq 'ARRAY') {
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70 foreach my $subval (@$value) {
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71
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72 my $node = $this->_navi->NavigateCreate($key);
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73
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74 unless(defined $node) {
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75 $this->_navi->Back();
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76 next KEYLOOP;
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77 }
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78
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79 $this->Transform($subval);
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80
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81 $this->_navi->Back();
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82 }
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83 } else {
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84 my $node = $this->_navi->NavigateCreate($key);
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85
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86 unless(defined $node) {
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87 $this->_navi->Back();
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88 next KEYLOOP;
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89 }
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90
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91 $this->Transform($value);
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92
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93 $this->_navi->Back();
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94 }
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95 }
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96 return $this->_navi->Current;
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97 }
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98
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99 sub TransformDefault {
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100 my ($this,$data) = @_;
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101
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102 if ( ref $data and eval { $data->can('GetMeta') } ) {
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103 my %props = map {
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104 $_->name, 1
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105 } $data->GetMeta(PropertyInfo, sub { $_->access == ACCESS_PUBLIC }, 1 );
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106
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107 my %values = map {
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108 $_,
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109 $data->$_();
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110 } keys %props;
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111
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112 return $this->Transform(\%values);
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113 } else {
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114 die OperationException->new("Don't know how to transform $data");
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115 }
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116
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117 return $this->_navi->Current;
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118 }
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119
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120 sub buildErrors {
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121 my ($this) = @_;
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122
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123 return $this->_navi->buildErrors;
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124 }
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125
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126 1;
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127
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128 __END__
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129
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130 =pod
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131
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132 =head1 NAME
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133
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134 C<IMPL::DOM::Transform::ObjectToDOM> -преобразование объекта
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135
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136 =head1 SYNOPSIS
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137
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138 =cut |
