Complex classes like AbstractModel often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use AbstractModel, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 15 | abstract class AbstractModel extends AbstractGeneratorAware implements \JsonSerializable |
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| 16 | { |
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| 17 | /** |
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| 18 | * Constant used to define the key to store documentation value in meta |
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| 19 | * @var string |
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| 20 | */ |
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| 21 | const META_DOCUMENTATION = 'documentation'; |
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| 22 | /** |
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| 23 | * Original name od the element |
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| 24 | * @var string |
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| 25 | */ |
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| 26 | protected $name = ''; |
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| 27 | /** |
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| 28 | * Values associated to the operation |
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| 29 | * @var string[] |
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| 30 | */ |
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| 31 | protected $meta = []; |
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| 32 | /** |
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| 33 | * Define the inheritance of a struct by the name of the parent struct or type |
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| 34 | * @var string |
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| 35 | */ |
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| 36 | protected $inheritance = ''; |
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| 37 | /** |
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| 38 | * Store the object which owns the current model |
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| 39 | * @var AbstractModel |
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| 40 | */ |
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| 41 | protected $owner = null; |
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| 42 | /** |
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| 43 | * Indicates that the current element is an abstract element. |
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| 44 | * It allows to generated an abstract class. |
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| 45 | * This will happen for element/complexType that are defined with abstract="true" |
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| 46 | * @var bool |
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| 47 | */ |
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| 48 | protected $isAbstract = false; |
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| 49 | /** |
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| 50 | * Replaced keywords time in order to generate unique new keyword |
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| 51 | * @var array |
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| 52 | */ |
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| 53 | protected static $replacedPhpReservedKeywords = []; |
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| 54 | /** |
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| 55 | * Replaced methods time in order to generate unique new method |
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| 56 | * @var array |
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| 57 | */ |
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| 58 | protected $replacedReservedMethods = []; |
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| 59 | /** |
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| 60 | * Unique name generated in order to ensure unique naming (for struct constructor and setters/getters even for different case attribute name with same value) |
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| 61 | * @var array |
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| 62 | */ |
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| 63 | protected static $uniqueNames = []; |
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| 64 | /** |
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| 65 | * Main constructor |
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| 66 | * @uses AbstractModel::setName() |
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| 67 | * @param Generator $generator |
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| 68 | * @param string $name the original name |
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| 69 | */ |
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| 70 | 1525 | public function __construct(Generator $generator, $name) |
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| 75 | /** |
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| 76 | * @uses AbstractModel::getInheritedModel() |
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| 77 | * @uses AbstractModel::getPackagedName() |
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| 78 | * @uses AbstractModel::getExtends() |
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| 79 | * @uses Struct::isStruct() |
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| 80 | * @return string |
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| 81 | */ |
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| 82 | 305 | public function getExtendsClassName() |
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| 93 | /** |
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| 94 | * Returns the name of the class the current class inherits from |
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| 95 | * @return string |
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| 96 | */ |
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| 97 | 450 | public function getInheritance() |
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| 101 | /** |
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| 102 | * Sets the name of the class the current class inherits from |
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| 103 | * @param string $inheritance |
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| 104 | * @return AbstractModel |
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| 105 | */ |
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| 106 | 445 | public function setInheritance($inheritance = '') |
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| 111 | /** |
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| 112 | * @uses AbstractGeneratorAware::getGenerator() |
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| 113 | * @uses Generator::getStruct() |
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| 114 | * @uses AbstractModel::getInheritance() |
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| 115 | * @return Struct |
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| 116 | */ |
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| 117 | 305 | public function getInheritedModel() |
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| 118 | { |
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| 119 | 305 | return $this->getGenerator()->getStruct($this->getInheritance()); |
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| 120 | } |
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| 121 | /** |
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| 122 | * Returns the meta |
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| 123 | * @return string[] |
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| 124 | */ |
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| 125 | 425 | public function getMeta() |
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| 129 | /** |
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| 130 | * Sets the meta |
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| 131 | * @param string[] $meta |
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| 132 | * @return AbstractModel |
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| 133 | */ |
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| 134 | 385 | public function setMeta(array $meta = []) |
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| 139 | /** |
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| 140 | * Add meta information to the operation |
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| 141 | * @uses AbstractModel::getMeta() |
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| 142 | * @throws \InvalidArgumentException |
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| 143 | * @param string $metaName |
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| 144 | * @param mixed $metaValue |
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| 145 | * @return AbstractModel |
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| 146 | */ |
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| 147 | 155 | public function addMeta($metaName, $metaValue) |
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| 148 | { |
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| 149 | 155 | if (!is_scalar($metaName) || (!is_scalar($metaValue) && !is_array($metaValue))) { |
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| 150 | 10 | throw new \InvalidArgumentException(sprintf('Invalid meta name "%s" or value "%s". Please provide scalar meta name and scalar or array meta value.', gettype($metaName), gettype($metaValue)), __LINE__); |
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| 151 | } |
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| 152 | 145 | $metaValue = is_scalar($metaValue) ? trim($metaValue) : $metaValue; |
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| 153 | 145 | if ((is_scalar($metaValue) && $metaValue !== '') || is_array($metaValue)) { |
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| 154 | 145 | if (!array_key_exists($metaName, $this->meta)) { |
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| 155 | 145 | $this->meta[$metaName] = $metaValue; |
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| 156 | 101 | } elseif (is_array($this->meta[$metaName]) && is_array($metaValue)) { |
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| 157 | 20 | $this->meta[$metaName] = array_merge($this->meta[$metaName], $metaValue); |
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| 158 | 27 | } elseif (is_array($this->meta[$metaName])) { |
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| 159 | 5 | array_push($this->meta[$metaName], $metaValue); |
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| 160 | 3 | } else { |
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| 161 | 10 | $this->meta[$metaName] = $metaValue; |
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| 162 | 3 | } |
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| 163 | 145 | ksort($this->meta); |
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| 164 | 87 | } |
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| 165 | 145 | return $this; |
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| 166 | } |
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| 167 | /** |
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| 168 | * Sets the documentation meta value. |
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| 169 | * Documentation is set as an array so if multiple documentation nodes are set for an unique element, it will gather them. |
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| 170 | * @uses AbstractModel::META_DOCUMENTATION |
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| 171 | * @uses AbstractModel::addMeta() |
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| 172 | * @param string $documentation the documentation from the WSDL |
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| 173 | * @return AbstractModel |
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| 174 | */ |
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| 175 | 25 | public function setDocumentation($documentation) |
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| 181 | /** |
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| 182 | * Returns a meta value according to its name |
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| 183 | * @uses AbstractModel::getMeta() |
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| 184 | * @param string $metaName the meta information name |
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| 185 | * @param mixed $fallback the fallback value if unset |
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| 186 | * @return mixed the meta information value |
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| 187 | */ |
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| 188 | 330 | public function getMetaValue($metaName, $fallback = null) |
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| 193 | /** |
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| 194 | * Returns the value of the first meta value assigned to the name |
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| 195 | * @param string[] $names the meta names to check |
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| 196 | * @param mixed $fallback the fallback value if anyone is set |
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| 197 | * @return mixed the meta information value |
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| 198 | */ |
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| 199 | 195 | public function getMetaValueFirstSet(array $names, $fallback = null) |
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| 209 | /** |
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| 210 | * Returns the original name extracted from the WSDL |
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| 211 | * @return string |
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| 212 | */ |
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| 213 | 960 | public function getName() |
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| 217 | /** |
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| 218 | * Sets the original name extracted from the WSDL |
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| 219 | * @param string $name |
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| 220 | * @return AbstractModel |
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| 221 | */ |
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| 222 | 1525 | public function setName($name) |
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| 227 | /** |
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| 228 | * Returns a valid clean name for PHP |
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| 229 | * @uses AbstractModel::getName() |
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| 230 | * @uses AbstractModel::cleanString() |
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| 231 | * @param bool $keepMultipleUnderscores optional, allows to keep the multiple consecutive underscores |
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| 232 | * @return string |
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| 233 | */ |
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| 234 | 780 | public function getCleanName($keepMultipleUnderscores = true) |
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| 238 | /** |
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| 239 | * Returns the owner model object |
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| 240 | * @return AbstractModel |
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| 241 | */ |
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| 242 | 740 | public function getOwner() |
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| 246 | /** |
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| 247 | * Sets the owner model object |
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| 248 | * @param AbstractModel $owner object the owner of the current model |
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| 249 | * @return AbstractModel |
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| 250 | */ |
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| 251 | 1275 | public function setOwner(AbstractModel $owner = null) |
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| 256 | /** |
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| 257 | * @return bool |
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| 258 | */ |
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| 259 | 310 | public function isAbstract() |
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| 260 | { |
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| 261 | 310 | return $this->isAbstract; |
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| 262 | } |
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| 263 | /** |
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| 264 | * @param bool $isAbstract |
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| 265 | * @return AbstractModel |
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| 266 | */ |
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| 267 | 385 | public function setAbstract($isAbstract) |
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| 268 | { |
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| 269 | 385 | $this->isAbstract = $isAbstract; |
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| 270 | 385 | return $this; |
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| 271 | } |
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| 272 | /** |
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| 273 | * Returns true if the original name is safe to use as a PHP property, variable name or class name |
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| 274 | * @uses AbstractModel::getName() |
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| 275 | * @uses AbstractModel::getCleanName() |
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| 276 | * @return bool |
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| 277 | */ |
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| 278 | 260 | public function nameIsClean() |
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| 282 | /** |
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| 283 | * Returns the packaged name |
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| 284 | * @uses AbstractModel::getNamespace() |
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| 285 | * @uses AbstractModel::getCleanName() |
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| 286 | * @uses AbstractModel::getContextualPart() |
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| 287 | * @uses AbstractModel::uniqueName() |
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| 288 | * @uses AbstractModel::replacePhpReservedKeyword() |
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| 289 | * @uses AbstractGeneratorAware::getGenerator() |
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| 290 | * @uses Generator::getOptionPrefix() |
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| 291 | * @uses Generator::getOptionSuffix() |
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| 292 | * @uses AbstractModel::uniqueName() to ensure unique naming of struct case sensitively |
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| 293 | * @param bool $namespaced |
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| 294 | * @return string |
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| 295 | */ |
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| 296 | 725 | public function getPackagedName($namespaced = false) |
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| 297 | { |
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| 298 | 725 | $nameParts = []; |
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| 299 | 725 | if ($namespaced && $this->getNamespace() !== '') { |
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| 300 | 290 | $nameParts[] = sprintf('\%s\\', $this->getNamespace()); |
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| 301 | 174 | } |
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| 302 | 725 | $cleanName = $this->getCleanName(); |
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| 303 | 725 | if ($this->getGenerator()->getOptionPrefix() !== '') { |
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| 304 | 460 | $nameParts[] = $this->getGenerator()->getOptionPrefix(); |
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| 305 | 276 | } else { |
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| 306 | 310 | $cleanName = self::replacePhpReservedKeyword($cleanName); |
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| 307 | } |
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| 308 | 725 | $nameParts[] = ucfirst(self::uniqueName($cleanName, $this->getContextualPart())); |
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| 309 | 725 | if ($this->getGenerator()->getOptionSuffix() !== '') { |
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| 310 | 30 | $nameParts[] = $this->getGenerator()->getOptionSuffix(); |
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| 311 | 18 | } |
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| 312 | 725 | return implode('', $nameParts); |
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| 313 | } |
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| 314 | /** |
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| 315 | * Allows to define the contextual part of the class name for the package |
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| 316 | * @return string |
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| 317 | */ |
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| 318 | 115 | public function getContextualPart() |
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| 319 | { |
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| 320 | 115 | return ''; |
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| 321 | } |
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| 322 | /** |
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| 323 | * Allows to define from which class the current model extends |
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| 324 | * @param bool $short |
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| 325 | * @return string|null |
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| 326 | */ |
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| 327 | 55 | public function getExtends($short = false) |
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| 328 | { |
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| 329 | 55 | return ''; |
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| 330 | } |
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| 331 | /** |
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| 332 | * @uses AbstractGeneratorAware::getGenerator() |
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| 333 | * @uses Generator::getOptionNamespacePrefix() |
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| 334 | * @uses Generator::getOptionPrefix() |
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| 335 | * @uses Generator::getOptionSuffix() |
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| 336 | * @uses AbstractModel::getSubDirectory() |
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| 337 | * @return string |
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| 338 | */ |
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| 339 | 360 | public function getNamespace() |
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| 340 | { |
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| 341 | 360 | $namespaces = []; |
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| 342 | 360 | $namespace = $this->getGenerator()->getOptionNamespacePrefix(); |
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| 343 | 360 | if (empty($namespace)) { |
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| 344 | 350 | if ($this->getGenerator()->getOptionPrefix() !== '') { |
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| 345 | 280 | $namespaces[] = $this->getGenerator()->getOptionPrefix(); |
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| 346 | 238 | } elseif ($this->getGenerator()->getOptionSuffix() !== '') { |
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| 347 | 146 | $namespaces[] = $this->getGenerator()->getOptionSuffix(); |
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| 348 | 6 | } |
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| 349 | 210 | } else { |
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| 350 | 10 | $namespaces[] = $namespace; |
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| 351 | } |
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| 352 | 360 | if ($this->getSubDirectory() !== '') { |
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| 353 | 335 | $namespaces[] = $this->getSubDirectory(); |
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| 354 | 201 | } |
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| 355 | 360 | return implode('\\', $namespaces); |
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| 356 | } |
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| 357 | /** |
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| 358 | * Returns directory where to store class and create it if needed |
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| 359 | * @uses AbstractGeneratorAware::getGenerator() |
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| 360 | * @uses AbstractModel::getOptionCategory() |
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| 361 | * @uses AbstractGeneratorAware::getContextualPart() |
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| 362 | * @uses GeneratorOptions::VALUE_CAT |
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| 363 | * @return string |
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| 364 | */ |
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| 365 | 390 | public function getSubDirectory() |
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| 366 | { |
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| 367 | 390 | $subDirectory = ''; |
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| 368 | 390 | if ($this->getGenerator()->getOptionCategory() === GeneratorOptions::VALUE_CAT) { |
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| 369 | 385 | $subDirectory = $this->getContextualPart(); |
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| 370 | 231 | } |
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| 371 | 390 | return $subDirectory; |
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| 372 | } |
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| 373 | /** |
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| 374 | * Returns the sub package name which the model belongs to |
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| 375 | * Must be overridden by sub classes |
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| 376 | * @return array |
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| 377 | */ |
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| 378 | 5 | public function getDocSubPackages() |
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| 379 | { |
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| 380 | 5 | return []; |
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| 381 | } |
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| 382 | /** |
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| 383 | * Clean a string to make it valid as PHP variable |
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| 384 | * @uses GeneratorUtils::cleanString() |
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| 385 | * @param string $string the string to clean |
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| 386 | * @param bool $keepMultipleUnderscores optional, allows to keep the multiple consecutive underscores |
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| 387 | * @return string |
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| 388 | */ |
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| 389 | 785 | public static function cleanString($string, $keepMultipleUnderscores = true) |
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| 390 | { |
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| 391 | 785 | return GeneratorUtils::cleanString($string, $keepMultipleUnderscores); |
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| 392 | } |
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| 393 | /** |
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| 394 | * Returns a usable keyword for a original keyword |
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| 395 | * @uses PhpReservedKeyword::instance() |
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| 396 | * @uses PhpReservedKeyword::is() |
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| 397 | * @param string $keyword the keyword |
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| 398 | * @param string $context the context |
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| 399 | * @return string |
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| 400 | */ |
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| 401 | 720 | public static function replacePhpReservedKeyword($keyword, $context = null) |
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| 402 | { |
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| 403 | 720 | if (PhpReservedKeyword::instance()->is($keyword)) { |
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| 404 | 170 | if ($context !== null) { |
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| 405 | 95 | $keywordKey = $keyword . '_' . $context; |
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| 406 | 95 | if (!array_key_exists($keywordKey, self::$replacedPhpReservedKeywords)) { |
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| 407 | 60 | self::$replacedPhpReservedKeywords[$keywordKey] = 0; |
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| 408 | 36 | } else { |
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| 409 | 35 | self::$replacedPhpReservedKeywords[$keywordKey]++; |
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| 410 | } |
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| 411 | 95 | return '_' . $keyword . (self::$replacedPhpReservedKeywords[$keywordKey] ? '_' . self::$replacedPhpReservedKeywords[$keywordKey] : ''); |
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| 412 | } else { |
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| 413 | 130 | return '_' . $keyword; |
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| 414 | } |
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| 415 | } else { |
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| 416 | 720 | return $keyword; |
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| 417 | } |
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| 418 | } |
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| 419 | /** |
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| 420 | * @throws \InvalidArgumentException |
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| 421 | * @param $filename |
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| 422 | * @return AbstractReservedWord |
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| 423 | */ |
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| 424 | 5 | public function getReservedMethodsInstance($filename = null) |
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| 425 | { |
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| 426 | 5 | throw new \InvalidArgumentException(sprintf('The method %s should be defined in the class %s', __FUNCTION__, get_called_class(), __LINE__)); |
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| 427 | } |
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| 428 | /** |
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| 429 | * Returns a usable method for a original method |
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| 430 | * @uses PhpReservedKeywords::instance() |
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| 431 | * @uses PhpReservedKeywords::is() |
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| 432 | * @param string $methodName the method name |
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| 433 | * @param string $context the context |
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| 434 | * @return string |
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| 435 | */ |
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| 436 | 720 | public function replaceReservedMethod($methodName, $context = null) |
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| 437 | 1 | { |
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| 438 | 720 | if ($this->getReservedMethodsInstance()->is($methodName)) { |
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| 439 | 5 | if ($context !== null) { |
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| 440 | 5 | $methodKey = $methodName . '_' . $context; |
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| 441 | 5 | if (!array_key_exists($methodKey, $this->replacedReservedMethods)) { |
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| 442 | 5 | $this->replacedReservedMethods[$methodKey] = 0; |
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| 443 | 3 | } else { |
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| 444 | $this->replacedReservedMethods[$methodKey]++; |
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| 445 | } |
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| 446 | 5 | return '_' . $methodName . ($this->replacedReservedMethods[$methodKey] ? '_' . $this->replacedReservedMethods[$methodKey] : ''); |
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| 447 | } else { |
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| 448 | 5 | return '_' . $methodName; |
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| 449 | } |
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| 450 | } else { |
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| 451 | 715 | return $methodName; |
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| 452 | } |
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| 453 | } |
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| 454 | /** |
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| 455 | * Static method which returns a unique name case sensitively |
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| 456 | * Useful to name methods case sensitively distinct, see http://the-echoplex.net/log/php-case-sensitivity |
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| 457 | * @param string $name the original name |
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| 458 | * @param string $context the context where the name is needed unique |
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| 459 | * @return string |
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| 460 | */ |
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| 461 | 730 | protected static function uniqueName($name, $context) |
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| 462 | { |
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| 463 | 730 | $insensitiveKey = strtolower($name . '_' . $context); |
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| 464 | 730 | $sensitiveKey = $name . '_' . $context; |
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| 465 | 730 | if (array_key_exists($sensitiveKey, self::$uniqueNames)) { |
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| 466 | 725 | return self::$uniqueNames[$sensitiveKey]; |
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| 467 | 615 | } elseif (!array_key_exists($insensitiveKey, self::$uniqueNames)) { |
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| 468 | 610 | self::$uniqueNames[$insensitiveKey] = 0; |
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| 469 | 366 | } else { |
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| 470 | 45 | self::$uniqueNames[$insensitiveKey]++; |
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| 471 | } |
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| 472 | 615 | $uniqueName = $name . (self::$uniqueNames[$insensitiveKey] ? '_' . self::$uniqueNames[$insensitiveKey] : ''); |
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| 473 | 615 | self::$uniqueNames[$sensitiveKey] = $uniqueName; |
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| 474 | 615 | return $uniqueName; |
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| 475 | } |
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| 476 | /** |
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| 477 | * Gives the availability for test purpose and multiple package generation to purge unique names |
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| 478 | */ |
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| 479 | 415 | public static function purgeUniqueNames() |
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| 483 | /** |
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| 484 | * Gives the availability for test purpose and multiple package generation to purge reserved keywords usage |
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| 485 | */ |
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| 486 | 385 | public static function purgePhpReservedKeywords() |
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| 487 | { |
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| 488 | 385 | self::$replacedPhpReservedKeywords = []; |
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| 489 | 385 | } |
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| 490 | /** |
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| 491 | * Should return the properties of the inherited class |
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| 492 | * @return array |
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| 493 | */ |
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| 494 | abstract protected function toJsonSerialize(); |
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| 495 | /** |
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| 496 | * {@inheritDoc} |
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| 497 | * @see JsonSerializable::jsonSerialize() |
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| 498 | */ |
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| 499 | 15 | public function jsonSerialize() |
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| 509 | /** |
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| 510 | * @param Generator $generator |
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| 511 | * @param array $args |
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| 512 | * @return AbstractModel |
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| 513 | */ |
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| 514 | 380 | public static function instanceFromSerializedJson(Generator $generator, array $args) |
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| 531 | /** |
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| 532 | * @param array $args |
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| 533 | * @throws \InvalidArgumentException |
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| 534 | */ |
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| 535 | 380 | protected static function checkSerializedJson(array $args) |
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| 547 | } |
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| 548 |