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<?php |
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/** |
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* Bluz Framework Component |
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* |
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* @copyright Bluz PHP Team |
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* @link https://github.com/bluzphp/framework |
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*/ |
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declare(strict_types=1); |
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namespace Bluz\Common; |
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use Bluz\Common\Exception\CommonException; |
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/** |
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* Helper trait |
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* |
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* @package Bluz\Common |
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* @author Anton Shevchuk |
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* @link https://github.com/bluzphp/framework/wiki/Trait-Helper |
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*/ |
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trait Helper |
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{ |
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/** |
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* @var array[] list of helpers |
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*/ |
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protected static $helpers = []; |
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/** |
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* @var array[] list of helpers paths |
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*/ |
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protected static $helpersPath = []; |
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/** |
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* Add helper path |
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* |
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* @param string $path |
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* |
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* @return void |
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* @throws CommonException |
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*/ |
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public function addHelperPath(string $path) |
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{ |
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$class = static::class; |
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$realPath = realpath($path); |
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if (false === $realPath) { |
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throw new CommonException("Invalid Helper path `$path` for class `$class`"); |
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} |
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// create store of helpers |
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714 |
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if (!isset(static::$helpersPath[$class])) { |
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static::$helpersPath[$class] = []; |
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} |
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if (!in_array($realPath, static::$helpersPath[$class])) { |
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static::$helpersPath[$class][] = $realPath; |
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} |
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714 |
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} |
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/** |
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* Call magic helper |
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* |
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* @param string $method |
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* @param array $arguments |
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* |
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* @return mixed |
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* @throws CommonException |
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*/ |
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public function __call($method, $arguments) |
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{ |
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$class = static::class; |
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// Call callable helper structure (function or class) |
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if (!isset(static::$helpers[$class], static::$helpers[$class][$method])) { |
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$this->loadHelper($method); |
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} |
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/** @var \Closure $helper */ |
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$helper = static::$helpers[$class][$method]; |
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return $helper->call($this, ...$arguments); |
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} |
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/** |
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* Call helper |
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* |
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* @param string $name |
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* |
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* @return void |
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* @throws CommonException |
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*/ |
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private function loadHelper(string $name) |
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{ |
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$class = static::class; |
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// Somebody forgot to call `addHelperPath` |
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if (!isset(static::$helpersPath[$class])) { |
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throw new CommonException("Helper path not found for class `$class`"); |
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} |
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// Try to find helper file |
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foreach (static::$helpersPath[$class] as $path) { |
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if ($helperPath = realpath($path . '/' . ucfirst($name) . '.php')) { |
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$this->addHelper($name, $helperPath); |
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return; |
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} |
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} |
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throw new CommonException("Helper `$name` not found for class `$class`"); |
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} |
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/** |
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* Add helper callable |
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* |
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* @param string $name |
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* @param string $path |
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* |
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* @return void |
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* @throws CommonException |
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*/ |
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private function addHelper(string $name, string $path) |
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{ |
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$class = static::class; |
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// create store of helpers for this class |
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if (!isset(static::$helpers[$class])) { |
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7 |
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static::$helpers[$class] = []; |
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} |
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$helper = include $path; |
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if (is_callable($helper)) { |
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static::$helpers[$class][$name] = $helper; |
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} else { |
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1 |
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throw new CommonException("Helper `$name` not found in file `$path`"); |
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} |
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} |
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} |
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bluzphp /
framework
