<?php/* @description     Transformation Style Sheets - Revolutionising PHP templating    * * @author          Tom Butler tom@r.je                                             * * @copyright       2017 Tom Butler <tom@r.je> | https://r.je/                      * * @license         http://www.opensource.org/licenses/bsd-license.php  BSD License * * @version         1.2                                                             */namespace Transphporm\Parser;/** Holds the data used by `ValueParser` */class ValueData {	private $data;	public function __construct($data) {		$this->data = $data;	}	//Read $key from array, $this->data = $this->data[$key] but also works for objects	private function traverseInto($key) {		if (isset($this->data->{$key})) $this->data = $this->data->{$key};		else if ($this->isArray() && isset($this->data[$key])) $this->data = $this->data[$key];	}	public function traverse($key, $result) {		if ($key !== null) $this->traverseInto($key);		else {			//But if the key is null, replace the data structure with the result of the last function call			$lastResult = $result->pop();			if ($lastResult) {				$this->data = $lastResult;				return $lastResult;			}		}	}	private function isArray() {		return is_array($this->data) || $this->data instanceof \ArrayAccess;	}	public function getData() {		return $this->data;	}	public function read($value) {		if ($this->isArray()) {			if (isset($this->data[$value])) return $this->data[$value];		}		else if (isset($this->data->$value)) return $this->data->$value;		else return null;	}	public function call($func, $args) {		return $this->data->$func(...$args);	}	public function methodExists($name) {		return method_exists($this->data, $name);	}	public function parseNested($parser, $token, $funcName) {		$args = $parser->parseTokens($token['value'], $this->data);		if ($args[0] === $this->data) $args = [];		return $this->callFuncOnObject($this->data, $funcName, $args);	}	private function callFuncOnObject($obj, $func, $args) {		if (isset($obj->$func) && is_callable($obj->$func)) return call_user_func_array($obj->$func, $args);		else if (is_callable([$obj, $func])) return call_user_func_array([$obj, $func], $args);		else return false;	}	public function extract($last, $autoLookup, $traversing) {		$value = $this->read($last);		if ($value !== null && ($autoLookup || $traversing) ) {			return $value;		}		throw new \UnexpectedValueException('Not found');	}}