Initial commit

2018-04-02 08:07:38 +02:00
commit 7330c1ed3e
2054 changed files with 405203 additions and 0 deletions
--- a/typo3conf/ext/vhs/Classes/ViewHelpers/Variable/ConvertViewHelper.php
+++ b/typo3conf/ext/vhs/Classes/ViewHelpers/Variable/ConvertViewHelper.php
@@ -0,0 +1,108 @@
+<?php
+namespace FluidTYPO3\Vhs\ViewHelpers\Variable;
+
+/*
+ * This file is part of the FluidTYPO3/Vhs project under GPLv2 or later.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.md file that was distributed with this source code.
+ */
+
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Extbase\Object\ObjectManager;
+use TYPO3\CMS\Extbase\Persistence\ObjectStorage;
+use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;
+
+/**
+ * ### Convert ViewHelper
+ *
+ * Converts $value to $type which can be one of 'string', 'integer',
+ * 'float', 'boolean', 'array' or 'ObjectStorage'. If $value is NULL
+ * sensible defaults are assigned or $default which obviously has to
+ * be of $type as well.
+ *
+ * @author Björn Fromme <fromme@dreipunktnull.com>, dreipunktnull
+ * @package Vhs
+ * @subpackage ViewHelpers\Var
+ */
+class ConvertViewHelper extends AbstractViewHelper {
+
+	/**
+	 * Initialize arguments
+	 */
+	public function initializeArguments() {
+		$this->registerArgument('value', 'mixed', 'Value to convert into a different type', FALSE, NULL);
+		$this->registerArgument('type', 'string', 'Data type to convert the value into. Can be one of "string", "integer", "float", "boolean", "array" or "ObjectStorage".', TRUE);
+		$this->registerArgument('default', 'mixed', 'Optional default value to assign to the converted variable in case it is NULL.', FALSE, NULL);
+	}
+
+	/**
+	 * Render method
+	 *
+	 * @throws \RuntimeException
+	 * @return mixed
+	 */
+	public function render() {
+		if (TRUE === isset($this->arguments['value'])) {
+			$value = $this->arguments['value'];
+		} else {
+			$value = $this->renderChildren();
+		}
+		$type = $this->arguments['type'];
+		if (gettype($value) === $type) {
+			return $value;
+		}
+		if (NULL !== $value) {
+			if ('ObjectStorage' === $type && 'array' === gettype($value)) {
+				/** @var ObjectManager $objectManager */
+				$objectManager = GeneralUtility::makeInstance('TYPO3\\CMS\\Extbase\\Object\\ObjectManager');
+				/** @var ObjectStorage $storage */
+				$storage = $objectManager->get('TYPO3\\CMS\\Extbase\\Persistence\\ObjectStorage');
+				foreach ($value as $item) {
+					$storage->attach($item);
+				}
+				$value = $storage;
+			} elseif ('array' === $type && TRUE === $value instanceof \Traversable) {
+				$value = iterator_to_array($value, FALSE);
+			} elseif ('array' === $type) {
+				$value = array($value);
+			} else {
+				settype($value, $type);
+			}
+		} else {
+			if (TRUE === isset($this->arguments['default'])) {
+				$default = $this->arguments['default'];
+				if (gettype($default) !== $type) {
+					throw new \RuntimeException('Supplied argument "default" is not of the type "' . $type .'"', 1364542576);
+				}
+				$value = $default;
+			} else {
+				switch ($type) {
+					case 'string':
+						$value = '';
+						break;
+					case 'integer':
+						$value = 0;
+						break;
+					case 'boolean':
+						$value = FALSE;
+						break;
+					case 'float':
+						$value = 0.0;
+						break;
+					case 'array':
+						$value = array();
+						break;
+					case 'ObjectStorage':
+						$objectManager = GeneralUtility::makeInstance('TYPO3\\CMS\\Extbase\\Object\\ObjectManager');
+						$value = $objectManager->get('TYPO3\\CMS\\Extbase\\Persistence\\ObjectStorage');
+						break;
+					default:
+						throw new \RuntimeException('Provided argument "type" is not valid', 1364542884);
+				}
+			}
+		}
+		return $value;
+	}
+
+}