/typo3/sysext/fluid/Classes/Core/Parser/SyntaxTree/AbstractNode.php
PHP | 89 lines | 30 code | 9 blank | 50 comment | 6 complexity | a57e40bbad23ebd0f15b7e643efe5442 MD5 | raw file
Possible License(s): Apache-2.0, BSD-2-Clause, LGPL-3.0
- <?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.
- *
- * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License, version 3 or later
- */
- 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();
- /**
- * Evaluate all child nodes and return the evaluated results.
- *
- * @param Tx_Fluid_Core_Rendering_RenderingContextInterface $renderingContext
- * @return mixed Normally, an object is returned - in case it is concatenated with a string, a string is returned.
- * @author Sebastian Kurfürst <sebastian@typo3.org>
- * @author Bastian Waidelich <bastian@typo3.org>
- */
- public function evaluateChildNodes(Tx_Fluid_Core_Rendering_RenderingContextInterface $renderingContext) {
- $output = NULL;
- foreach ($this->childNodes as $subNode) {
- if ($output === NULL) {
- $output = $subNode->evaluate($renderingContext);
- } 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 = $subNode->evaluate($renderingContext);
- 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 Kurfürst <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 Kurfürst <sebastian@typo3.org>
- */
- public function addChildNode(Tx_Fluid_Core_Parser_SyntaxTree_NodeInterface $childNode) {
- $this->childNodes[] = $childNode;
- }
- }
- ?>