File modules/dsl/ast/DslProperty.class.php

Last commit: Tue Jul 19 00:10:00 2022 +0200	Jan Dankert	New: Scripting language: Ignore Keyword "new"; Support for Calling object constructors; Splitting objects into an instance and a wrapper.


     1 <?php
     2 
     3 namespace dsl\ast;
     4 
     5 use cms\generator\dsl\DslObject;
     6 use dsl\context\Scriptable;
     7 use dsl\DslRuntimeException;
     8 use dsl\executor\DslInterpreter;
     9 use dsl\standard\Data;
    10 use dsl\standard\NumberInstance;
    11 use dsl\standard\ArrayInstance;
    12 use dsl\standard\StringInstance;
    13 
    14 class DslProperty implements DslStatement
    15 {
    16 	public $variable;
    17 	public $property;
    18 
    19 	/**
    20 	 * DslProperty constructor.
    21 	 * @param $variable
    22 	 * @param $property
    23 	 */
    24 	public function __construct($variable, $property)
    25 	{
    26 		$this->variable = $variable;
    27 		$this->property = $property;
    28 	}
    29 
    30 
    31 	/**
    32 	 * @param array $context
    33 	 * @return mixed
    34 	 * @throws DslRuntimeException
    35 	 */
    36 	public function execute( & $context ) {
    37 
    38 		$object = $this->variable->execute( $context );
    39 
    40 		if   (  is_object( $object ) ) {
    41 
    42 			if   ( $object instanceof Data ) {
    43 				$objectContext = $object->getData();
    44 			}
    45 			else {
    46 
    47 				// object attributes
    48 				$objectContext = get_object_vars( $object );
    49 
    50 				//if   ( $object instanceof StandardArray ) {
    51 				//	foreach( $object->getInternalValue() as $key=> $value )
    52 				//		$objectContext[$key] = $value;
    53 				//}
    54 
    55 				// copy object methods to the object context to make them callable.
    56 				foreach( get_class_methods( $object ) as $method ) {
    57 					$objectContext[ $method ] = function() use ($method, $object) {
    58 
    59 						// For Security: Do not expose all available objects, they must implement a marker interface.
    60 						if   ( DslInterpreter::isSecure() && ! $object instanceof Scriptable )
    61 							throw new DslRuntimeException('Object '.get_class($object).' is not marked as scriptable and therefore not available in secure mode');
    62 
    63 						return call_user_func_array( array($object,$method),func_get_args() );
    64 					};
    65 				}
    66 			}
    67 		}
    68 		else {
    69 			$objectContext = DslExpression::convertValueToStandardObject($object);
    70 		}
    71 
    72 		$prop = $this->property->execute( $objectContext );
    73 
    74 		return $prop;
    75 	}
    76 
    77 	public function parse($tokens)
    78 	{
    79 	}
    80 }



Download modules/dsl/ast/DslProperty.class.php


History
Tue, 19 Jul 2022 00:10:00 +0200	Jan Dankert	New: Scripting language: Ignore Keyword "new"; Support for Calling object constructors; Splitting objects into an instance and a wrapper.
Fri, 1 Jul 2022 19:30:30 +0200	Jan Dankert	New: Data Object for accessing data trees
Fri, 1 Jul 2022 18:09:05 +0200	Jan Dankert	New: Bugfixes and much more string and array functions for the DSL.
Mon, 27 Jun 2022 01:11:02 +0200	Jan Dankert	New: Secure Flag for Script Interpreter which is enabled by default.
Mon, 27 Jun 2022 00:40:42 +0200	Jan Dankert	New: Marker interface 'Scriptable', Proxy class for MQTT, help() method in Scripts.
Tue, 31 May 2022 00:30:18 +0200	Jan Dankert	New: DSL with support for parameterless functions.
Sun, 29 May 2022 16:56:40 +0200	Jan Dankert	New: DSL with support for functions with return values, full arithmetic, object properties