/typo3/sysext/fluid/Classes/Core/Parser/SyntaxTree/AbstractNode.php
PHP | 109 lines | 35 code | 12 blank | 62 comment | 6 complexity | 9220de6fae0bcc526681ca6371e74a98 MD5 | raw file
Possible License(s): BSD-3-Clause, GPL-2.0, Unlicense, LGPL-2.1, Apache-2.0
- <?php
- /* *
- * This script belongs to the FLOW3 package "Fluid". *
- * *
- * It is free software; you can redistribute it and/or modify it under *
- * the terms of the GNU Lesser General Public License as published by the *
- * Free Software Foundation, either version 3 of the License, or (at your *
- * option) any later version. *
- * *
- * This script is distributed in the hope that it will be useful, but *
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- *
- * TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser *
- * General Public License for more details. *
- * *
- * You should have received a copy of the GNU Lesser General Public *
- * License along with the script. *
- * If not, see http://www.gnu.org/licenses/lgpl.html *
- * *
- * The TYPO3 project - inspiring people to share! *
- * */
- /**
- * Abstract node in the syntax tree which has been built.
- *
- * @version $Id: AbstractNode.php 2043 2010-03-16 08:49:45Z sebastian $
- * @package Fluid
- * @subpackage Core\Parser\SyntaxTree
- * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License, version 3 or later
- * @scope prototype
- */
- abstract class Tx_Fluid_Core_Parser_SyntaxTree_AbstractNode implements Tx_Fluid_Core_Parser_SyntaxTree_NodeInterface {
- /**
- * List of Child Nodes.
- * @var array<Tx_Fluid_Core_Parser_SyntaxTree_NodeInterface>
- */
- protected $childNodes = array();
- /**
- * The rendering context containing everything to correctly render the subtree
- * @var Tx_Fluid_Core_Rendering_RenderingContext
- */
- protected $renderingContext;
- /**
- * @param Tx_Fluid_Core_Rendering_RenderingContext $renderingContext Rendering Context to be used for this evaluation
- * @return void
- * @author Sebastian Kurf?rst <sebastian@typo3.org>
- */
- public function setRenderingContext(Tx_Fluid_Core_Rendering_RenderingContext $renderingContext) {
- $this->renderingContext = $renderingContext;
- }
- /**
- * Evaluate all child nodes and return the evaluated results.
- *
- * @return mixed Normally, an object is returned - in case it is concatenated with a string, a string is returned.
- * @author Sebastian Kurf?rst <sebastian@typo3.org>
- * @author Bastian Waidelich <bastian@typo3.org>
- */
- public function evaluateChildNodes() {
- $output = NULL;
- foreach ($this->childNodes as $subNode) {
- $subNode->setRenderingContext($this->renderingContext);
- if ($output === NULL) {
- $output = $subNode->evaluate();
- } else {
- if (is_object($output) && !method_exists($output, '__toString')) {
- throw new Tx_Fluid_Core_Parser_Exception('Cannot cast object of type "' . get_class($output) . '" to string.', 1248356140);
- }
- $output = (string)$output;
- $subNodeOutput = $subNode->evaluate();
- if (is_object($subNodeOutput) && !method_exists($subNodeOutput, '__toString')) {
- throw new Tx_Fluid_Core_Parser_Exception('Cannot cast object of type "' . get_class($subNodeOutput) . '" to string.', 1273753083);
- }
- $output .= (string)$subNodeOutput;
- }
- }
- return $output;
- }
- /**
- * Returns all child nodes for a given node.
- * This is especially needed to implement the boolean expression language.
- *
- * @return array<Tx_Fluid_Core_Parser_SyntaxTree_NodeInterface> A list of nodes
- * @author Sebastian Kurf?rst <sebastian@typo3.org>
- */
- public function getChildNodes() {
- return $this->childNodes;
- }
- /**
- * Appends a subnode to this node. Is used inside the parser to append children
- *
- * @param Tx_Fluid_Core_Parser_SyntaxTree_NodeInterface $childNode The subnode to add
- * @return void
- * @author Sebastian Kurf?rst <sebastian@typo3.org>
- */
- public function addChildNode(Tx_Fluid_Core_Parser_SyntaxTree_NodeInterface $childNode) {
- $this->childNodes[] = $childNode;
- }
- }
- ?>