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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 2015 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 0.9 */ |
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namespace Transphporm\Hook; |
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/* Handles data() and iteration() functions in the CDS */ |
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class DataFunction { |
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private $dataStorage; |
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private $data; |
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private $locale; |
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private $baseDir; |
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public function __construct(\SplObjectStorage $objectStorage, $data, $locale, $baseDir) { |
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$this->dataStorage = $objectStorage; |
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$this->data = $data; |
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$this->locale = $locale; |
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$this->baseDir = $baseDir; |
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} |
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/** Binds data to an element */ |
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public function bind(\DomElement $element, $data, $type = 'data') { |
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//This is a bit of a hack to workaround #24, might need a better way of doing this if it causes a problem |
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if (is_array($data) && $this->isObjectArray($data)) $data = $data[0]; |
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$content = isset($this->dataStorage[$element]) ? $this->dataStorage[$element] : []; |
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$content[$type] = $data; |
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$this->dataStorage[$element] = $content; |
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} |
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private function isObjectArray(array $data) { |
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return count($data) === 1 && isset($data[0]) && is_object($data[0]); |
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} |
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public function iteration($val, $element) { |
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$data = $this->getData($element, 'iteration'); |
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$value = $this->traverse($val, $data); |
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return $value; |
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} |
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public function key($val, $element) { |
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$data = $this->getData($element, 'key'); |
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return $data; |
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} |
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/** Returns the data that has been bound to $element, or, if no data is bound to $element climb the DOM tree to find the data bound to a parent node*/ |
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private function getData(\DomElement $element, $type = 'data') { |
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while ($element) { |
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if (isset($this->dataStorage[$element]) && isset($this->dataStorage[$element][$type])) return $this->dataStorage[$element][$type]; |
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$element = $element->parentNode; |
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} |
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return $this->data; |
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} |
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public function data($val, $element) { |
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$data = $this->getData($element); |
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$value = $this->traverse($val, $data); |
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return $value; |
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} |
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private function traverse($name, $data) { |
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$name[0] = str_replace(['[', ']'], ['.', ''], $name[0]); |
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$parts = explode('.', $name[0]); |
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$obj = $data; |
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foreach ($parts as $part) { |
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if ($part === '') continue; |
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if (is_callable([$obj, $part])) $obj = call_user_func([$obj, $part]); |
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else $obj = $this->ifNull($obj, $part); |
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} |
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return $obj; |
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} |
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private function ifNull($obj, $key) { |
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if (is_array($obj)) return isset($obj[$key]) ? $obj[$key] : null; |
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else return isset($obj->$key) ? $obj->$key : null; |
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} |
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public function attr($val, $element) { |
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return $element->getAttribute(trim($val[0])); |
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} |
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private function templateSubsection($css, $doc, $element) { |
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$xpathStr = (new \Transphporm\CssToXpath($css))->getXpath(); |
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$xpath = new \DomXpath($doc); |
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$nodes = $xpath->query($xpathStr); |
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$result = []; |
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foreach ($nodes as $node) { |
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$result[] = $element->ownerDocument->importNode($node, true); |
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} |
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return $result; |
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} |
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public function template($val, $element) { |
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$newTemplate = new \Transphporm\Builder($this->baseDir . $val[0]); |
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$newTemplate->setLocale($this->locale); |
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$doc = $newTemplate->output([], true)->body; |
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if (isset($val[1])) return $this->templateSubsection($val[1], $doc, $element); |
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$newNode = $element->ownerDocument->importNode($doc->documentElement, true); |
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$result = []; |
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if ($newNode->tagName === 'template') { |
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foreach ($newNode->childNodes as $node) $result[] = $node->cloneNode(true); |
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} |
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//else $result[] = $newNode; |
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return $result; |
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} |
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} |
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Level-2 /
Transphporm
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.