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<?php |
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/* @description Transformation Style Sheets - Revolutionising PHP templating * |
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* @author Tom Butler [email protected] * |
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* @copyright 2017 Tom Butler <[email protected]> | https://r.je/ * |
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License * |
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* @version 1.2 */ |
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namespace Transphporm\Parser; |
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/** Holds the data used by `ValueParser` */ |
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class ValueData { |
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private $data; |
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public function __construct($data) { |
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$this->data = $data; |
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} |
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//Read $key from array, $this->data = $this->data[$key] but also works for objects |
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private function traverseInto($key) { |
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if (isset($this->data->{$key})) $this->data = $this->data->{$key}; |
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else if ($this->isArray() && isset($this->data[$key])) $this->data = $this->data[$key]; |
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} |
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public function traverse($key, $result) { |
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if ($key !== null) $this->traverseInto($key); |
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else { |
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//But if the key is null, replace the data structure with the result of the last function call |
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$lastResult = $result->pop(); |
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if ($lastResult) { |
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$this->data = $lastResult; |
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return $lastResult; |
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} |
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} |
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} |
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private function isArray() { |
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return is_array($this->data) || $this->data instanceof \ArrayAccess; |
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} |
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public function getData() { |
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return $this->data; |
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} |
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public function read($value) { |
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if ($this->isArray()) { |
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if (isset($this->data[$value])) return $this->data[$value]; |
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} |
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else if (isset($this->data->$value)) return $this->data->$value; |
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else return null; |
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} |
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public function call($func, $args) { |
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return $this->data->$func(...$args); |
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} |
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public function methodExists($name) { |
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return method_exists($this->data, $name); |
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} |
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public function parseNested($parser, $token, $funcName) { |
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$args = $parser->parseTokens($token['value'], $this->data); |
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if ($args[0] === $this->data) $args = []; |
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return $this->callFuncOnObject($this->data, $funcName, $args); |
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} |
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private function callFuncOnObject($obj, $func, $args) { |
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if (isset($obj->$func) && is_callable($obj->$func)) return call_user_func_array($obj->$func, $args); |
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else if (is_callable([$obj, $func])) return call_user_func_array([$obj, $func], $args); |
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else return false; |
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} |
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public function extract($last, $autoLookup, $traversing) { |
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$value = $this->read($last); |
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if ($value !== null && ($autoLookup || $traversing) ) { |
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return $value; |
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} |
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throw new \UnexpectedValueException('Not found'); |
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} |
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} |
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Level-2 /
Transphporm
