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<?php |
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namespace Povils\PHPMND; |
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use Povils\PHPMND\Extension\ArgumentExtension; |
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use Povils\PHPMND\Extension\ArrayExtension; |
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use Povils\PHPMND\Extension\AssignExtension; |
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use Povils\PHPMND\Extension\ConditionExtension; |
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use Povils\PHPMND\Extension\DefaultParameterExtension; |
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use Povils\PHPMND\Extension\Extension; |
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use Povils\PHPMND\Extension\OperationExtension; |
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use Povils\PHPMND\Extension\PropertyExtension; |
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use Povils\PHPMND\Extension\ReturnExtension; |
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use Povils\PHPMND\Extension\SwitchCaseExtension; |
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/** |
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* Class ExtensionResolver |
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* |
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* @package Povils\PHPMND |
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*/ |
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class ExtensionResolver |
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{ |
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const ALL_EXTENSIONS = 'all'; |
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/** |
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* @var Extension[] |
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*/ |
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private $allExtensions; |
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/** |
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* @var Extension[] |
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*/ |
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private $defaultExtensions; |
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/** |
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* @var Extension[] |
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*/ |
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private $resolvedExtensions = []; |
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public function resolve(array $extensionNames) |
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{ |
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$this->resolvedExtensions = $this->defaults(); |
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if (($allKey = array_search(self::ALL_EXTENSIONS, $extensionNames)) !== false) { |
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$this->resolvedExtensions = $this->all(); |
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unset($extensionNames[$allKey]); |
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} |
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foreach ($extensionNames as $extensionName) { |
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if ($this->startsWithMinus($extensionName)) { |
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$this->removeExtension($extensionName); |
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continue; |
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} |
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$this->addExtension($extensionName); |
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} |
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return $this->resolvedExtensions; |
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} |
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/** |
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* @return Extension[] |
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*/ |
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public function defaults() |
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{ |
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if (null === $this->defaultExtensions) { |
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$this->defaultExtensions = [ |
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new ConditionExtension, |
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new ReturnExtension, |
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new SwitchCaseExtension |
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]; |
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} |
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return $this->defaultExtensions; |
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} |
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/** |
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* @return Extension[] |
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*/ |
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public function all() |
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{ |
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if (null === $this->allExtensions) { |
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$this->allExtensions = array_merge( |
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[ |
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new ArgumentExtension, |
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new ArrayExtension, |
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new AssignExtension, |
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new DefaultParameterExtension, |
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new OperationExtension, |
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new PropertyExtension |
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], |
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$this->defaults() |
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); |
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} |
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return $this->allExtensions; |
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} |
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/** |
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* @param string $extensionName |
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*/ |
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private function addExtension($extensionName) |
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{ |
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if ($this->exists($extensionName)) { |
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foreach ($this->all() as $extension) { |
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if ($extension->getName() === $extensionName) { |
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$this->resolvedExtensions[] = $extension; |
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return; |
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} |
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}; |
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} |
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} |
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/** |
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* @param string $extensionName |
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* |
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* @throws \Exception |
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*/ |
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private function removeExtension($extensionName) |
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{ |
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$extensionNameWithoutMinus = substr($extensionName, 1); |
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if ($this->exists($extensionNameWithoutMinus)) { |
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foreach ($this->resolvedExtensions as $key => $resolvedExtension) { |
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if ($extensionNameWithoutMinus === $resolvedExtension->getName()) { |
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unset($this->resolvedExtensions[$key]); |
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return; |
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} |
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} |
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} |
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} |
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/** |
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* @param string $extensionName |
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* @return bool |
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* |
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* @throws \Exception |
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*/ |
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private function exists($extensionName) |
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{ |
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foreach ($this->all() as $extension) { |
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if ($extension->getName() === $extensionName) { |
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return true; |
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} |
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} |
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throw new \InvalidArgumentException(sprintf('Extension "%s" does not exist', $extensionName)); |
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} |
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/** |
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* @param string $extensionName |
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* |
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* @return bool |
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*/ |
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private function startsWithMinus($extensionName) |
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{ |
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return 0 === strpos($extensionName, '-'); |
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} |
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} |
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povils /
phpmnd
