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1 | <?php |
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2 | |||
3 | namespace SEQL; |
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4 | |||
5 | use SMW\DataValueFactory; |
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6 | use SMW\DIProperty; |
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7 | use SMW\DIWikiPage; |
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8 | use SMWContainerSemanticData as ContainerSemanticData; |
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9 | use SMWDIContainer as DIContainer; |
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10 | use SMWDITime as DITime; |
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11 | |||
12 | /** |
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13 | * @license GNU GPL v2+ |
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14 | * @since 1.0 |
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15 | * |
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16 | * @author mwjames |
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17 | */ |
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18 | class DataValueDeserializer { |
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19 | |||
20 | /** |
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21 | * @var string |
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22 | */ |
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23 | private $querySource; |
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24 | |||
25 | /** |
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26 | * @since 1.0 |
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27 | * |
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28 | * @param string $querySource |
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29 | */ |
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30 | 9 | public function __construct( $querySource ) { |
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31 | 9 | $this->querySource = $querySource; |
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32 | 9 | } |
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33 | |||
34 | /** |
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35 | * @since 1.0 |
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36 | * |
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37 | * @return string |
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38 | */ |
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39 | 5 | public function getQuerySource() { |
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40 | 5 | return $this->querySource; |
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41 | } |
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42 | |||
43 | /** |
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44 | * @since 1.0 |
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45 | * |
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46 | * @param DIProperty $property |
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47 | * @param array|string $value |
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48 | * |
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49 | * @return DataValue |
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50 | */ |
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51 | 7 | public function newDataValueFrom( DIProperty $property, $value ) { |
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52 | |||
53 | 7 | $dv = null; |
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54 | 7 | $propertyList = array(); |
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55 | |||
56 | 7 | if ( $property->findPropertyTypeId() === '_wpg' || isset( $value['fulltext'] ) ) { |
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57 | 1 | $dv = $this->newDataValueFromDataItem( $property, $this->newDiWikiPage( $value ) ); |
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58 | 7 | } elseif ( $property->findPropertyTypeId() === '_rec' ) { |
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59 | 1 | $dv = $this->newDataValueFromDataItem( $property, $this->newDiContainerOnRecordType( $value, $propertyList ) ); |
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60 | 1 | $dv->setFieldProperties( $propertyList ); |
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61 | 6 | } elseif ( $property->findPropertyTypeId() === '_dat' ) { |
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62 | 4 | $dv = $this->newDataValueFromDataItem( $property, $this->newDiTime( $value ) ); |
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63 | 6 | } elseif ( $property->findPropertyTypeId() === '_qty' ) { |
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64 | 1 | $dv = $this->newDataValueFromPropertyObject( $property, $value['value'] . ' ' . $value['unit'] ); |
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65 | 1 | } |
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66 | |||
67 | 7 | if ( $dv === null ) { |
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68 | 1 | $dv = $this->newDataValueFromPropertyObject( $property, $value ); |
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69 | 1 | } |
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70 | |||
71 | 7 | return $dv; |
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72 | } |
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73 | |||
74 | /** |
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75 | * @since 1.0 |
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76 | * |
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77 | * @param array $value |
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78 | * |
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79 | * @return DIWikiPage |
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80 | */ |
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81 | 6 | public function newDiWikiPage( array $value ) { |
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82 | |||
83 | 6 | $ns = (int)$value['namespace'] === NS_CATEGORY ? NS_CATEGORY : NS_MAIN; |
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84 | |||
85 | 6 | if ( $ns === NS_CATEGORY ) { |
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86 | 1 | $value['fulltext'] = substr( $value['fulltext'], ($pos = strpos( $value['fulltext'], ':') ) !== false ? $pos + 1 : 0 ); |
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87 | 1 | } |
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88 | |||
89 | 6 | $title = \Title::newFromText( $this->querySource . ':' . str_replace(" ", "_", $value['fulltext'] ), $ns ); |
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90 | |||
91 | 6 | return DIWikiPage::newFromTitle( $title ); |
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92 | } |
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93 | |||
94 | 4 | private function newDiTime( $value ) { |
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95 | |||
96 | 4 | if ( isset( $value['raw'] ) ) { |
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97 | 3 | return DITime::doUnserialize( $value['raw'] ); |
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98 | } |
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99 | |||
100 | // < 0.7 API format |
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101 | // Avoid something like "Part of the date is out of bounds" where the API |
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102 | // doesn't sent a raw format |
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103 | // return 9999 BC to indicate that we hit a bounds with the timespamp |
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104 | try{ |
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105 | 1 | $dataItem = DITime::newFromTimestamp( $value ); |
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106 | 1 | } catch ( \Exception $e ) { |
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107 | $dataItem = DITime::doUnserialize( '2/-9999' ); |
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108 | } |
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109 | |||
110 | 1 | return $dataItem; |
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111 | } |
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112 | |||
113 | 2 | private function newDataValueFromPropertyObject( $property, $value ) { |
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114 | |||
115 | try{ |
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116 | 2 | $dv = DataValueFactory::newPropertyObjectValue( $property, $value ); |
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117 | 2 | } catch ( \Exception $e ) { |
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118 | $dv = false; |
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119 | } |
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120 | |||
121 | 2 | return $dv; |
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122 | } |
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123 | |||
124 | 6 | private function newDataValueFromDataItem( $property, $dataItem = false ) { |
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125 | |||
126 | 6 | if ( $dataItem === false ) { |
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127 | 1 | return false; |
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128 | } |
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129 | |||
130 | try{ |
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131 | 5 | $dv = DataValueFactory::newDataItemValue( $dataItem, $property ); |
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132 | 5 | } catch ( \Exception $e ) { |
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133 | $dv = false; |
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134 | } |
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135 | |||
136 | 5 | return $dv; |
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137 | } |
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138 | |||
139 | 1 | private function newDiContainerOnRecordType( array $value, &$propertyList ) { |
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140 | |||
141 | // Remote container to use an anonymous |
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142 | 1 | $semanticData = ContainerSemanticData::makeAnonymousContainer(); |
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143 | |||
144 | 1 | foreach ( $value as $recValue ) { |
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145 | 1 | $recordProperty = DIProperty::newFromUserLabel( $recValue['label'] ); |
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146 | 1 | $recordProperty->setInterwiki( $this->querySource ); |
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147 | 1 | $recordProperty->setPropertyTypeId( $recValue['typeid'] ); |
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148 | 1 | $propertyList[] = $recordProperty; |
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149 | |||
150 | 1 | foreach ( $recValue['item'] as $item ) { |
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151 | 1 | $dataValue = $this->newDataValueFrom( $recordProperty, $item ); |
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152 | |||
153 | 1 | if ( $dataValue === false ) { |
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154 | continue; |
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155 | } |
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156 | |||
157 | 1 | $semanticData->addPropertyObjectValue( $recordProperty, $dataValue->getDataItem() ); |
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158 | 1 | } |
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159 | 1 | } |
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160 | |||
161 | 1 | return new DIContainer( $semanticData ); |
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162 | } |
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163 | |||
164 | } |
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165 |
This check looks at variables that are passed out again to other methods.
If the outgoing method call has stricter type requirements than the method itself, an issue is raised.
An additional type check may prevent trouble.