TYPO3Fluid\Fluid\ViewHelpers\CaseViewHelper

Complexity

Total Complexity

8

Size/Duplication

Total Lines	68
Duplicated Lines	10.29 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	initializeArguments()	0	5	1
A	render()	0	16	3
A	allowsChildNodeType()	7	7	3
A	compile()	0	4	1

<?php
namespace TYPO3Fluid\Fluid\ViewHelpers;

/*
 * This file belongs to the package "TYPO3 Fluid".
 * See LICENSE.txt that was shipped with this package.
 */

use TYPO3Fluid\Fluid\Core\Compiler\TemplateCompiler;
use TYPO3Fluid\Fluid\Core\Parser\NodeFilterInterface;
use TYPO3Fluid\Fluid\Core\Parser\SyntaxTree\NodeInterface;
use TYPO3Fluid\Fluid\Core\Parser\SyntaxTree\TextNode;
use TYPO3Fluid\Fluid\Core\Parser\SyntaxTree\ViewHelperNode;
use TYPO3Fluid\Fluid\Core\ViewHelper;
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;

/**
 * Case view helper that is only usable within the SwitchViewHelper.
 * @see \TYPO3Fluid\Fluid\ViewHelpers\SwitchViewHelper
 *
 * @api
 */
class CaseViewHelper extends AbstractViewHelper implements NodeFilterInterface
{

    /**
     * @var boolean
     */
    protected $escapeOutput = false;

    /**
     * @return void
     */
    public function initializeArguments()
    {
        parent::initializeArguments();
        $this->registerArgument('value', 'mixed', 'Value to match in this case', true);
    }

    /**
     * @return string the contents of this view helper if $value equals the expression of the surrounding switch view helper, otherwise an empty string
     * @throws ViewHelper\Exception
     * @api
     */
    public function render()
    {
        $value = $this->arguments['value'];
        $viewHelperVariableContainer = $this->renderingContext->getViewHelperVariableContainer();
        if (!$viewHelperVariableContainer->exists(SwitchViewHelper::class, 'switchExpression')) {
            throw new ViewHelper\Exception('The "case" View helper can only be used within a switch View helper', 1368112037);
        }
        $switchExpression = $viewHelperVariableContainer->get(SwitchViewHelper::class, 'switchExpression');

        // non-type-safe comparison by intention
        if ($switchExpression == $value) {
            $viewHelperVariableContainer->addOrUpdate(SwitchViewHelper::class, 'break', true);
            return $this->renderChildren();
        }
        return '';
    }

    /**
     * Case ViewHelper disallows any whitespace-only text nodes as children. This means that
     * when rendered, the output of the node excludes any whitespace before and after the
     * "real" output.
     *
     * @param NodeInterface $node
     * @return bool
     */
    public function allowsChildNodeType(NodeInterface $node): bool

This method seems to be duplicated in your project.

    {
        if ($node instanceof TextNode && trim($node->getText()) === '') {
            return false;
        }
        return true;
    }

    /**
     * @param string $argumentsName
     * @param string $closureName
     * @param string $initializationPhpCode
     * @param ViewHelperNode $node
     * @param TemplateCompiler $compiler
     * @return string
     */
    public function compile($argumentsName, $closureName, &$initializationPhpCode, ViewHelperNode $node, TemplateCompiler $compiler)
    {
        return '\'\'';
    }
}