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<?php |
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/** |
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* @license LGPLv3, https://opensource.org/licenses/LGPL-3.0 |
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* @copyright Aimeos (aimeos.org), 2021 |
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* @package MW |
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* @subpackage Macro |
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*/ |
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namespace Aimeos\MW\Macro; |
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/** |
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* Common trait for objects supporting macros |
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* |
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* @package MW |
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* @subpackage Macro |
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*/ |
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trait Traits |
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{ |
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private static $macros = []; |
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/** |
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* Registers a custom macro that has access to the class properties if called non-static |
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* |
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* Examples: |
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* SomeClass::macro( 'test', function( $name ) { |
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* return $this->getConfigValue( $name ) ? true : false; |
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* } ); |
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* |
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* @param string $name Macro name |
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* @param \Closure|null $function Anonymous function |
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* @return \Closure|null Registered function |
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*/ |
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public static function macro( string $name, \Closure $function = null ) : ?\Closure |
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{ |
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$self = get_called_class(); |
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if( $function ) { |
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self::$macros[$self][$name] = $function; |
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} |
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foreach( array_merge( [$self], class_parents( static::class ) ) as $class ) |
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{ |
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if( isset( self::$macros[$class][$name] ) ) { |
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return self::$macros[$class][$name]; |
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} |
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} |
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return null; |
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} |
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/** |
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* Passes unknown method calls to the custom macros |
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* |
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* @param string $name Method name |
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* @param array $args Method arguments |
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* @return mixed Result or macro call |
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*/ |
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public function __call( string $name, array $args ) |
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{ |
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if( $fcn = static::macro( $name ) ) { |
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return call_user_func_array( $fcn->bindTo( $this, self::class ), $args ); |
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} |
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$msg = 'Called unknown macro "%1$s" on class "%2$s"'; |
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throw new \BadMethodCallException( sprintf( $msg, $name, get_class( $this ) ) ); |
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} |
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/** |
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* Passes method calls to the custom macros |
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* |
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* @param string $name Macro name |
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* @param array $args Macro arguments |
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* @return mixed Result or macro call |
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*/ |
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protected function call( string $name, ...$args ) |
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{ |
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if( $fcn = static::macro( $name ) ) { |
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return call_user_func_array( $fcn->bindTo( $this, self::class ), $args ); |
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} |
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return $this->$name( ...$args ); |
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} |
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} |
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aimeos /
aimeos-core
