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49
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1 package IMPL::DOM::Schema;
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2 use strict;
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3 use warnings;
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4
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5 require IMPL::DOM::Schema::ComplexNode;
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6 require IMPL::DOM::Schema::ComplexType;
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7 require IMPL::DOM::Schema::SimpleNode;
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8 require IMPL::DOM::Schema::SimpleType;
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9 require IMPL::DOM::Schema::Node;
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10 require IMPL::DOM::Schema::AnyNode;
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11 require IMPL::DOM::Schema::NodeList;
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12 require IMPL::DOM::Schema::NodeSet;
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13 require IMPL::DOM::Schema::Property;
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14 require IMPL::DOM::Schema::SwitchNode;
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101
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15 require IMPL::DOM::Schema::Validator;
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16 require IMPL::DOM::Navigator::Builder;
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17 require IMPL::DOM::XMLReader;
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49
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18
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19 use base qw(IMPL::DOM::Document);
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20 use IMPL::Class::Property;
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21 use IMPL::Class::Property::Direct;
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101
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22 use File::Spec;
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23
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24 our %CTOR = (
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25 'IMPL::DOM::Document' => sub { nodeName => 'schema' }
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26 );
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27
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28 BEGIN {
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29 private _direct property _TypesMap => prop_all;
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101
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30 public _direct property baseDir => prop_all;
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31 public _direct property BaseSchemas => prop_get | owner_set;
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32 private _direct property _Validators => prop_all;
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33 }
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34
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35 sub resolveType {
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36 $_[0]->{$_TypesMap}->{$_[1]};
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37 }
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38
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102
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39 sub CTOR {
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40 my ($this,%args) = @_;
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41
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42 $this->{$baseDir} = ($args{baseDir} || '.');
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43 }
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44
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49
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45 sub Create {
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46 my ($this,$nodeName,$class,$refArgs) = @_;
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47
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100
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48 die new IMPL::Exception('Invalid node class') unless $class->isa('IMPL::DOM::Node');
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49
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49
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101
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50 if ($class->isa('IMPL::DOM::Schema::Validator')) {
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51 $class = "IMPL::DOM::Schema::Validator::$nodeName";
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52 unless (eval {$class->can('new')}) {
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53 eval "require $class; 1;";
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54 my $e = $@;
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55 die new IMPL::Exception("Invalid validator",$class,$e) if $e;
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56 }
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57 }
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58
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59 return $this->SUPER::Create($nodeName,$class,$refArgs);
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49
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60 }
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61
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62 sub Process {
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63 my ($this) = @_;
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64
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101
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65 # process instructions
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66 $this->Include($_) foreach map $_->nodeProperty('source'), $this->selectNodes('Include');
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67
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68 # build types map
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49
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69 $this->{$_TypesMap} = { map { $_->type, $_ } $this->selectNodes(sub { $_[0]->nodeName eq 'ComplexType' || $_[0]->nodeName eq 'SimpleType' } ) };
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70 }
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71
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101
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72 sub Include {
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73 my ($this,$file) = @_;
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74
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102
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75 my $schema = $this->LoadSchema(File::Spec->catfile($this->baseDir, $file));
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101
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76
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77 $this->appendRange( $schema->childNodes );
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78 }
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79
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80 sub LoadSchema {
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102
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81 my ($this,$file) = @_;
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82
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83 $file = File::Spec->rel2abs($file);
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101
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84
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85 my $class = ref $this || $this;
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86
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87 my $reader = new IMPL::DOM::XMLReader(
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88 Navigator => new IMPL::DOM::Navigator::Builder(
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89 $class,
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90 $class->MetaSchema
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91 )
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92 );
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93
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102
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94 $reader->ParseFile($file);
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101
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95
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96 my $schema = $reader->Navigator->Document;
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97
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98 my ($vol,$dir) = File::Spec->splitpath($file);
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99
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100 $schema->baseDir($dir);
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101
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102 my @errors = $class->MetaSchema->Validate($schema);
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103
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104 die new IMPL::Exception("Schema is invalid",$file,map( $_->Message, @errors ) ) if @errors;
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105
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106 $schema->Process;
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107
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108 return $schema;
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109 }
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110
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111 sub Validate {
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112 my ($this,$node) = @_;
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113
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114 if ( my ($schemaNode) = $this->selectNodes(sub { $_[0]->name eq $node->nodeName })) {
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115 $schemaNode->Validate($node);
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116 } else {
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117 return new IMPL::DOM::Schema::ValidationError(Message=> "A specified document doesn't match the schema");
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118 }
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119 }
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120
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121 my $schema;
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122
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123 sub MetaSchema {
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124
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125 return $schema if $schema;
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126
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127 $schema = new IMPL::DOM::Schema;
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128
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129 $schema->appendRange(
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130 IMPL::DOM::Schema::ComplexNode->new(name => 'schema')->appendRange(
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131 IMPL::DOM::Schema::NodeSet->new()->appendRange(
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132 IMPL::DOM::Schema::Node->new(name => 'ComplexNode', type => 'ComplexNode', minOccur => 0, maxOccur=>'unbounded'),
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133 IMPL::DOM::Schema::Node->new(name => 'ComplexType', type => 'ComplexType', minOccur => 0, maxOccur=>'unbounded'),
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134 IMPL::DOM::Schema::Node->new(name => 'SimpleNode', type => 'SimpleNode', minOccur => 0, maxOccur=>'unbounded'),
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135 IMPL::DOM::Schema::Node->new(name => 'SimpleType', type => 'SimpleType', minOccur => 0, maxOccur=>'unbounded'),
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136 IMPL::DOM::Schema::SimpleNode->new(name => 'Node', minOccur => 0, maxOccur=>'unbounded'),
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137 IMPL::DOM::Schema::SimpleNode->new(name => 'Include', minOccur => 0, maxOccur=>'unbounded')->appendRange(
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138 IMPL::DOM::Schema::Property->new(name => 'source')
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139 )
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140 ),
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141 ),
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142 IMPL::DOM::Schema::ComplexType->new(type => 'NodeSet', nativeType => 'IMPL::DOM::Schema::NodeSet')->appendRange(
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143 IMPL::DOM::Schema::NodeSet->new()->appendRange(
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144 IMPL::DOM::Schema::Node->new(name => 'ComplexNode', type => 'ComplexNode', minOccur => 0, maxOccur=>'unbounded'),
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145 IMPL::DOM::Schema::Node->new(name => 'SimpleNode', type => 'SimpleNode', minOccur => 0, maxOccur=>'unbounded'),
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146 IMPL::DOM::Schema::SimpleNode->new(name => 'Node', minOccur => 0, maxOccur=>'unbounded'),
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147 IMPL::DOM::Schema::SwitchNode->new(minOccur => 0, maxOccur => 1)->appendRange(
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148 IMPL::DOM::Schema::SimpleNode->new(name => 'AnyNode'),
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149 IMPL::DOM::Schema::Node->new(name => 'SwitchNode',type => 'SwitchNode')
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150 )
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151 )
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152 ),
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153 IMPL::DOM::Schema::ComplexType->new(type => 'SwitchNode', nativeType => 'IMPL::DOM::Schema::SwitchNode')->appendRange(
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154 IMPL::DOM::Schema::NodeSet->new()->appendRange(
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155 IMPL::DOM::Schema::Node->new(name => 'ComplexNode', type=>'ComplexNode', minOccur => 0, maxOccur=>'unbounded'),
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156 IMPL::DOM::Schema::Node->new(name => 'SimpleNode', type=>'SimpleNode', minOccur => 0, maxOccur=>'unbounded'),
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157 IMPL::DOM::Schema::SimpleNode->new(name => 'Node', minOccur => 0, maxOccur=>'unbounded'),
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158 )
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159 ),
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160 IMPL::DOM::Schema::ComplexType->new(type => 'NodeList', nativeType => 'IMPL::DOM::Schema::NodeList')->appendRange(
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161 IMPL::DOM::Schema::NodeSet->new()->appendRange(
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162 IMPL::DOM::Schema::Node->new(name => 'ComplexNode', type => 'ComplexNode', minOccur => 0, maxOccur=>'unbounded'),
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163 IMPL::DOM::Schema::Node->new(name => 'SimpleNode', type => 'SimpleNode', minOccur => 0, maxOccur=>'unbounded'),
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164 IMPL::DOM::Schema::Node->new(name => 'SwitchNode',type => 'SwitchNode', minOccur => 0, maxOccur=>'unbounded'),
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165 IMPL::DOM::Schema::SimpleNode->new(name => 'Node', minOccur => 0, maxOccur=>'unbounded'),
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166 IMPL::DOM::Schema::SimpleNode->new(name => 'AnyNode', minOccur => 0, maxOccur=>'unbounded'),
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167 )
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168 ),
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169 IMPL::DOM::Schema::ComplexType->new(type => 'ComplexType', nativeType => 'IMPL::DOM::Schema::ComplexType')->appendRange(
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170 IMPL::DOM::Schema::NodeList->new()->appendRange(
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171 IMPL::DOM::Schema::SwitchNode->new()->appendRange(
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172 IMPL::DOM::Schema::Node->new(name => 'NodeSet', type => 'NodeSet'),
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173 IMPL::DOM::Schema::Node->new(name => 'NodeList',type => 'NodeList'),
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174 ),
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102
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175 IMPL::DOM::Schema::Node->new(name => 'Property', type=>'Property', maxOccur=>'unbounded', minOccur=>0),
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49
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176 IMPL::DOM::Schema::AnyNode->new(maxOccur => 'unbounded', minOccur => 0, type=>'Validator')
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177 ),
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178 new IMPL::DOM::Schema::Property(name => 'type')
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179 ),
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180 IMPL::DOM::Schema::ComplexType->new(type => 'ComplexNode', nativeType => 'IMPL::DOM::Schema::ComplexNode')->appendRange(
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181 IMPL::DOM::Schema::NodeList->new()->appendRange(
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182 IMPL::DOM::Schema::SwitchNode->new()->appendRange(
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183 IMPL::DOM::Schema::Node->new(name => 'NodeSet', type => 'NodeSet'),
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184 IMPL::DOM::Schema::Node->new(name => 'NodeList',type => 'NodeList'),
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185 ),
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102
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186 IMPL::DOM::Schema::Node->new(name => 'Property', type=>'Property', maxOccur=>'unbounded', minOccur=>0),
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187 IMPL::DOM::Schema::AnyNode->new(maxOccur => 'unbounded', minOccur => 0, type=>'Validator')
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188 ),
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189 new IMPL::DOM::Schema::Property(name => 'name')
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190 ),
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191 IMPL::DOM::Schema::ComplexType->new(type => 'SimpleType', nativeType => 'IMPL::DOM::Schema::SimpleType')->appendRange(
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102
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192 IMPL::DOM::Schema::NodeList->new()->appendRange(
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193 IMPL::DOM::Schema::Node->new(name => 'Property', type=>'Property', maxOccur=>'unbounded', minOccur=>0),
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49
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194 IMPL::DOM::Schema::AnyNode->new(maxOccur => 'unbounded', minOccur => 0, type=>'Validator')
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195 ),
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196 new IMPL::DOM::Schema::Property(name => 'type')
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197 ),
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198 IMPL::DOM::Schema::ComplexType->new(type => 'SimpleNode', nativeType => 'IMPL::DOM::Schema::SimpleNode')->appendRange(
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102
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199 IMPL::DOM::Schema::NodeList->new()->appendRange(
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200 IMPL::DOM::Schema::Node->new(name => 'Property', type=>'Property', maxOccur=>'unbounded', minOccur=>0),
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201 IMPL::DOM::Schema::AnyNode->new(maxOccur => 'unbounded', minOccur => 0, type=>'Validator')
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202 ),
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203 new IMPL::DOM::Schema::Property(name => 'name')
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204 ),
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205 IMPL::DOM::Schema::ComplexType->new(type => 'Validator', nativeType => 'IMPL::DOM::Schema::Validator')->appendRange(
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206 IMPL::DOM::Schema::NodeList->new()->appendRange(
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207 IMPL::DOM::Schema::AnyNode->new(maxOccur => 'unbounded', minOccur => 0)
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100
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208 )
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102
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209 ),
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210 IMPL::DOM::Schema::ComplexType->new(type => 'Property', nativeType => 'IMPL::DOM::Schema::Property' )->appendRange(
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211 IMPL::DOM::Schema::NodeList->new()->appendRange(
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212 IMPL::DOM::Schema::AnyNode->new(maxOccur => 'unbounded', minOccur => 0)
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213 ),
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214 IMPL::DOM::Schema::Property->new(name => 'name')
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215 )
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216 );
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217
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218 $schema->Process;
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219
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220 return $schema;
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221 }
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222
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223 1;
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224
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225 __END__
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226
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227 =pod
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228
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98
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229 =head1 NAME
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230
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231 C<IMPL::DOM::Schema> - Схема документа.
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232
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49
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233 =head1 DESCRIPTION
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234
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98
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235 C<use base qw(IMPL::DOM::Document)>
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236
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237 DOM схема - это документ, состоящий из определенных узлов, описывающая структуру
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238 других документов.
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239
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240 =head1 METHODS
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241
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242 =over
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243
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244 =item C<< $obj->Process() >>
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245
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246 Обновляет таблицу типов из содержимого.
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247
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248 =item C<< $obj->ResolveType($typeName) >>
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249
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250 Возвращает схему типа c именем C<$typeName>.
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251
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252 =back
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253
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254 =head1 META SCHEMA
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255
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100
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256 Схема для описания схемы, эта схема используется для постороения других схем, выглядит приблизительно так
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257
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98
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258 =begin code xml
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259
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49
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260 <schema>
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261 <ComplexNode name="schema">
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262 <NodeSet>
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263 <Node minOcuur="0" maxOccur="unbounded" name="ComplexNode" type="ComplexNode"/>
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264 <Node minOcuur="0" maxOccur="unbounded" name="SimpleNode" type="SimpleNode"/>
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265 <Node minOcuur="0" maxOccur="unbounded" name="ComplexType" type="ComplexType"/>
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266 <Node minOcuur="0" maxOccur="unbounded" name="SimpleType" type="SimpleType"/>
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267 <SimpleNode minOcuur="0" maxOccur="unbounded" name="Node"/>
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268 <SimpleNode minOcuur="0" maxOccur="unbounded" name="Include"/>
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269 </NodeSet>
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270 </ComplexNode>
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271
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272 <ComplexType type="NodeContainer">
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273 <NodeSet>
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274 <Node minOcuur="0" maxOccur="unbounded" name="ComplexNode" type="ComplexNode"/>
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275 <Node minOcuur="0" maxOccur="unbounded" name="SimpleNode" type="SimpleNode"/>
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276 <SimpleNode minOcuur="0" maxOccur="unbounded" name="Node"/>
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277 </NodeSet>
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278 </ComplexType>
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279
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280 <ComplexType type="ComplexType">
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281 <NodeList>
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282 <Node name="NodeSet" type="NodeContainer" minOcuur=0/>
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283 <Node name="NodeList" type="NodeContainer" minOccur=0/>
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284 <AnyNode minOccur="0" maxOccur="unbounded" type="Validator"/>
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285 </NodeList>
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286 </ComplexType>
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287
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288 <ComplexType type="ComplexNode">
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289 <NodeList>
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290 <Node name="NodeSet" type="NodeContainer" minOcuur=0/>
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291 <Node name="NodeList" type="NodeContainer" minOccur=0/>
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292 <AnyNode minOccur="0" maxOccur="unbounded" type="Validator"/>
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293 </NodeList>
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294 </ComplexType>
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295
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296 <ComplexType type="SimpleNode">
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297 <NodeSet>
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298 <AnyNode minOccur=0 maxOccur="unbounded" type="Validator"/>
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299 </NodeSet>
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300 </ComplexType>
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301
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302 <ComplexType type="SimpleType">
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303 <NodeSet>
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304 <AnyNode minOccur=0 maxOccur="unbounded" type="Validator"/>
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305 </NodeSet>
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306 </ComplexType>
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307
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308 <ComplexType type="Validator">
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309 <NodeSet>
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310 <AnyNode minOccur=0 maxOccur="unbounded"/>
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311 </NodeSet>
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312 </ComplexType>
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313
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314 </schema>
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315
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98
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316 =end code xml
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317
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49
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318 =cut
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