1 <?php

2 namespace TYPO3\CMS\Fluid\Core\ViewHelper;

3 

4 /* *

5  * This script is backported from the TYPO3 Flow package "TYPO3.Fluid". *

6  * *

7  * It is free software; you can redistribute it and/or modify it under *

8  * the terms of the GNU Lesser General Public License, either version 3 *

9  * of the License, or (at your option) any later version. *

10  * *

11  * The TYPO3 project - inspiring people to share! *

12  * */

13 

17 class ViewHelperVariableContainer {

18 

25  protected $objects = array();

26 

30  protected $view;

31 

45  public function add($viewHelperName, $key, $value) {

46  if ($this->exists($viewHelperName, $key)) {

47  throw new \TYPO3\CMS\Fluid\Core\ViewHelper\Exception\InvalidVariableException('The key "' . $viewHelperName . '->' . $key . '" was already stored and you cannot override it.', 1243352010);

48  }

49  $this->addOrUpdate($viewHelperName, $key, $value);

50  }

51 

62  public function addOrUpdate($viewHelperName, $key, $value) {

63  if (!isset($this->objects[$viewHelperName])) {

64  $this->objects[$viewHelperName] = array();

65  }

66  $this->objects[$viewHelperName][$key] = $value;

67  }

68 

78  public function get($viewHelperName, $key) {

79  if (!$this->exists($viewHelperName, $key)) {

80  throw new \TYPO3\CMS\Fluid\Core\ViewHelper\Exception\InvalidVariableException('No value found for key "' . $viewHelperName . '->' . $key . '"', 1243325768);

81  }

82  return $this->objects[$viewHelperName][$key];

83  }

84 

93  public function exists($viewHelperName, $key) {

94  return isset($this->objects[$viewHelperName][$key]);

95  }

96 

106  public function remove($viewHelperName, $key) {

107  if (!$this->exists($viewHelperName, $key)) {

108  throw new \TYPO3\CMS\Fluid\Core\ViewHelper\Exception\InvalidVariableException('No value found for key "' . $viewHelperName . '->' . $key . '", thus the key cannot be removed.', 1243352249);

109  }

110  unset($this->objects[$viewHelperName][$key]);

111  }

112 

119  public function setView(\TYPO3\CMS\Fluid\View\AbstractTemplateView $view) {

120  $this->view = $view;

121  }

122 

130  public function getView() {

131  return $this->view;

132  }

133 

139  public function __sleep() {

140  return array('objects');

141  }

142 }