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<?php declare(strict_types=1); |
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/* (c) Anton Medvedev <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Deployer\Configuration; |
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use Deployer\Collection\Collection; |
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use Deployer\Deployer; |
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use Deployer\Exception\ConfigurationException; |
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use function Deployer\Support\array_merge_alternate; |
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class Configuration implements \ArrayAccess |
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{ |
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public $parent; |
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private $collection; |
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public function __construct(Configuration $parent = null) |
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{ |
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$this->parent = $parent; |
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$this->collection = new Collection(); |
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} |
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public function getCollection(): Collection |
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{ |
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return $this->collection; |
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} |
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public function setCollection(Collection $collection) |
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{ |
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$this->collection = $collection; |
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} |
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public function set(string $name, $value) |
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{ |
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$this->collection[$name] = $value; |
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} |
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public function add(string $name, array $array) |
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{ |
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if ($this->has($name)) { |
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$config = $this->get($name); |
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if (!is_array($config)) { |
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throw new ConfigurationException("Configuration parameter `$name` isn't array."); |
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} |
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$this->set($name, array_merge_alternate($config, $array)); |
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} else { |
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$this->set($name, $array); |
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} |
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} |
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public function get(string $name, $default = null) |
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{ |
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if ($this->collection->has($name)) { |
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if ($this->isClosure($this->collection[$name])) { |
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$value = $this->collection[$name] = call_user_func($this->collection[$name]); |
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} else { |
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$value = $this->collection[$name]; |
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} |
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} else if ($this->parent && $this->parent->has($name)) { |
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$value = $this->collection[$name] = $this->parent->get($name, $default); |
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} else { |
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if (null === $default) { |
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throw new ConfigurationException("Configuration parameter `$name` does not exist."); |
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} else { |
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$value = $default; |
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} |
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} |
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return $this->parse($value); |
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} |
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public function has(string $name): bool |
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{ |
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return $this->collection->has($name); |
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} |
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public function parse($value) |
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{ |
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if (is_string($value)) { |
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return preg_replace_callback('/\{\{\s*([\w\.\/-]+)\s*\}\}/', [$this, 'parseCallback'], $value); |
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} |
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return $value; |
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} |
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public function offsetExists($offset) |
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{ |
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return $this->has($offset); |
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} |
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public function offsetGet($offset) |
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{ |
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return $this->get($offset); |
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} |
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public function offsetSet($offset, $value) |
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{ |
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$this->set($offset, $value); |
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} |
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public function offsetUnset($offset) |
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{ |
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unset($this->collection[$offset]); |
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} |
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public function persist() |
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{ |
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$values = []; |
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if ($this->parent !== null) { |
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$values = $this->parent->persist(); |
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} |
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foreach ($this->collection as $key => $value) { |
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if ($this->isClosure($value)) { |
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continue; |
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} |
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$values[$key] = $value; |
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} |
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return $values; |
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} |
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private function parseCallback(array $matches) |
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{ |
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return isset($matches[1]) ? $this->get($matches[1]) : null; |
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} |
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private function isClosure($var) |
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{ |
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return is_object($var) && ($var instanceof \Closure); |
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} |
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} |
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deployphp /
deployer
