文件操作 - Dice.php

文件: /root/Desktop/OLD/plugin-wordpress/advanced-cron-manager/vendor/underdev/utils/src/Dice.php

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<?php
/* @description Dice - A minimal Dependency Injection Container for PHP *
 * @author Tom Butler tom@r.je *
 * @copyright 2012-2015 Tom Butler <tom@r.je> | https:// r.je/dice.html *
 * @license http:// www.opensource.org/licenses/bsd-license.php BSD License *
 * @version 2.0 */
namespace underDEV\Utils;
class Dice {
	/**
	 * @var array $rules Rules which have been set using addRule()
	 */
	private $rules = [];

/**
	 * @var array $cache A cache of closures based on class name so each class is only reflected once
	 */
	private $cache = [];

/**
	 * @var array $instances Stores any instances marked as 'shared' so create() can return the same instance
	 */
	private $instances = [];

/**
	 * Add a rule $rule to the class $name
	 * @param string $name The name of the class to add the rule for
	 * @param array $rule The container can be fully configured using rules provided by associative arrays. See {@link https://r.je/dice.html#example3} for a description of the rules.
	 */
    public function addRule($name, array $rule) {
        if (isset($rule['instanceOf']) && (!array_key_exists('inherit', $rule) || $rule['inherit'] === true )) $rule = array_replace_recursive($this->getRule($rule['instanceOf']), $rule);
        $this->rules[ltrim(strtolower($name), '\\')] = array_replace_recursive($this->getRule($name), $rule);
    }

/**
	 * Returns the rule that will be applied to the class $name when calling create()
	 * @param string name The name of the class to get the rules for
	 * @return array The rules for the specified class
	 */
	public function getRule($name) {
		$lcName = strtolower(ltrim($name, '\\'));
		if (isset($this->rules[$lcName])) return $this->rules[$lcName];

foreach ($this->rules as $key => $rule) { 							// Find a rule which matches the class described in $name where:
			if (empty($rule['instanceOf']) 		 							// It's not a named instance, the rule is applied to a class name
				&& $key !== '*' 				 							// It's not the default rule
				&& is_subclass_of($name, $key)								// The rule is applied to a parent class
				&& (!array_key_exists('inherit', $rule) || $rule['inherit'] === true )) // And that rule should be inherited to subclasses
			return $rule;
		}
		// No rule has matched, return the default rule if it's set
		return isset($this->rules['*']) ? $this->rules['*'] : [];
	}

/**
	 * Returns a fully constructed object based on $name using $args and $share as constructor arguments if supplied
	 * @param string name The name of the class to instantiate
	 * @param array $args An array with any additional arguments to be passed into the constructor upon instantiation
	 * @param array $share Whether or not this class instance be shared, so that the same instance is passed around each time
	 * @return object A fully constructed object based on the specified input arguments
	 */
	public function create($name, array $args = [], array $share = []) {
		// Is there a shared instance set? Return it. Better here than a closure for this, calling a closure is slower.
		if (!empty($this->instances[$name])) return $this->instances[$name];

// Create a closure for creating the object if there isn't one already
		if (empty($this->cache[$name])) $this->cache[$name] = $this->getClosure($name, $this->getRule($name));

// Call the cached closure which will return a fully constructed object of type $name
		return $this->cache[$name]($args, $share);
	}

/**
	 * Returns a closure for creating object $name based on $rule, caching the reflection object for later use
	 * @param string $name the Name of the class to get the closure for
	 * @param array $rule The container can be fully configured using rules provided by associative arrays. See {@link https://r.je/dice.html#example3} for a description of the rules.
	 * @return callable A closure
	 */
	private function getClosure($name, array $rule) {
		// Reflect the class and constructor, this should only ever be done once per class and get cached
		$class = new \ReflectionClass(isset($rule['instanceOf']) ? $rule['instanceOf'] : $name);
		$constructor = $class->getConstructor();

// Create parameter generating function in order to cache reflection on the parameters. This way $reflect->getParameters() only ever gets called once
		$params = $constructor ? $this->getParams($constructor, $rule) : null;

// Get a closure based on the type of object being created: Shared, normal or constructorless
		if (!empty($rule['shared'])) $closure = function (array $args, array $share) use ($class, $name, $constructor, $params) {
			// Shared instance: create the class without calling the constructor (and write to \$name and $name, see issue #68)
			$this->instances[$name] = $this->instances[ltrim($name, '\\')] = $class->newInstanceWithoutConstructor();

// Now call this constructor after constructing all the dependencies. This avoids problems with cyclic references (issue #7)
			if ($constructor) $constructor->invokeArgs($this->instances[$name], $params($args, $share));
			return $this->instances[$name];
		};
		else if ($params) $closure = function (array $args, array $share) use ($class, $params) {
			// This class has depenencies, call the $params closure to generate them based on $args and $share
			return new $class->name(...$params($args, $share));
		};
		else $closure = function () use ($class) {
			// No constructor arguments, just instantiate the class
			return new $class->name;
		};
		// If there are shared instances, create them and merge them with shared instances higher up the object graph
		if (isset($rule['shareInstances'])) $closure = function(array $args, array $share) use ($closure, $rule) {
			return $closure($args, array_merge($args, $share, array_map([$this, 'create'], $rule['shareInstances'])));
		};
		// When $rule['call'] is set, wrap the closure in another closure which will call the required methods after constructing the object
		// By putting this in a closure, the loop is never executed unless call is actually set
		return isset($rule['call']) ? function (array $args, array $share) use ($closure, $class, $rule) {
			// Construct the object using the original closure
			$object = $closure($args, $share);

foreach ($rule['call'] as $call) {
				// Generate the method arguments using getParams() and call the returned closure (in php7 will be ()() rather than __invoke)
				$params = $this->getParams($class->getMethod($call[0]), ['shareInstances' => isset($rule['shareInstances']) ? $rule['shareInstances'] : [] ])->__invoke($this->expand(isset($call[1]) ? $call[1] : []));
				$return = $object->{$call[0]}(...$params);
				if (isset($call[2]) && is_callable($call[2])) call_user_func($call[2], $return);
			}
			return $object;
		} : $closure;
	}

/**
	 * Looks for 'instance' array keys in $param and when found returns an object based on the value see {@link https:// r.je/dice.html#example3-1}
	 * @param mixed $param Either a string or an array,
	 * @param array $share Whether or not this class instance be shared, so that the same instance is passed around each time
	 * @param bool $createFromString
	 * @return mixed
	 */
	private function expand($param, array $share = [], $createFromString = false) {
		if (is_array($param) && isset($param['instance'])) {
			// Call or return the value sored under the key 'instance'
			// For ['instance' => ['className', 'methodName'] construct the instance before calling it
			$args = isset($param['params']) ? $this->expand($param['params']) : [];
			if (is_array($param['instance'])) $param['instance'][0] = $this->expand($param['instance'][0], $share, true);
			if (is_callable($param['instance'])) return call_user_func($param['instance'], ...$args);
			else return $this->create($param['instance'], array_merge($args, $share));
		}
		// Recursively search for 'instance' keys in $param
		else if (is_array($param)) foreach ($param as $name => $value) $param[$name] = $this->expand($value, $share);
		// 'instance' wasn't found, return the value unchanged
		return is_string($param) && $createFromString ? $this->create($param) : $param;
	}

/**
	 * Returns a closure that generates arguments for $method based on $rule and any $args passed into the closure
	 * @param object $method An instance of ReflectionMethod (see: {@link http:// php.net/manual/en/class.reflectionmethod.php})
	 * @param array $rule The container can be fully configured using rules provided by associative arrays. See {@link https://r.je/dice.html#example3} for a description of the rules.
	 * @return callable A closure that uses the cached information to generate the arguments for the method
	 */
	private function getParams(\ReflectionMethod $method, array $rule) {
		// Cache some information about the parameter in $paramInfo so (slow) reflection isn't needed every time
		$paramInfo = [];
		foreach ($method->getParameters() as $param) {
			$class = $param->getClass() ? $param->getClass()->name : null;
			$paramInfo[] = [$class, $param, isset($rule['substitutions']) && array_key_exists($class, $rule['substitutions'])];
		}

// Return a closure that uses the cached information to generate the arguments for the method
		return function (array $args, array $share = []) use ($paramInfo, $rule) {
			// Now merge all the possible parameters: user-defined in the rule via constructParams, shared instances and the $args argument from $dice->create();
			if ($share || isset($rule['constructParams'])) $args = array_merge($args, isset($rule['constructParams']) ? $this->expand($rule['constructParams'], $share) : [], $share);

$parameters = [];

// Now find a value for each method parameter
			foreach ($paramInfo as list($class, $param, $sub)) {
				// First loop through $args and see whether or not each value can match the current parameter based on type hint
				if ($args) foreach ($args as $i => $arg) { // This if statement actually gives a ~10% speed increase when $args isn't set
					if ($class && ($arg instanceof $class || ($arg === null && $param->allowsNull()))) {
						// The argument matched, store it and remove it from $args so it won't wrongly match another parameter
						$parameters[] = array_splice($args, $i, 1)[0];
						// Move on to the next parameter
						continue 2;
					}
				}
				// When nothing from $args matches but a class is type hinted, create an instance to use, using a substitution if set
				if ($class) $parameters[] = $sub ? $this->expand($rule['substitutions'][$class], $share, true) : $this->create($class, [], $share);
				// For variadic parameters, provide remaining $args
				else if ($param->isVariadic()) $parameters = array_merge($parameters, $args);
				// There is no type hint, take the next available value from $args (and remove it from $args to stop it being reused)
				else if ($args) $parameters[] = $this->expand(array_shift($args));
				// There's no type hint and nothing left in $args, provide the default value or null
				else $parameters[] = $param->isDefaultValueAvailable() ? $param->getDefaultValue() : null;
			}
			// variadic functions will only have one argument. To account for those, append any remaining arguments to the list
			return $parameters;
		};
	}
}

文件操作 - Dice.php

文件: /root/Desktop/OLD/plugin-wordpress/advanced-cron-manager/vendor/underdev/utils/src/Dice.php

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