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 | 1515 | 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 | 955 | 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 $name |
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220 | * @return AbstractModel |
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221 | */ |
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222 | 1515 | public function setName($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, $context = null) |
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437 | { |
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438 | 720 | if ($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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500 | { |
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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 |