1 <?php

2 namespace TYPO3\CMS\Version\Dependency;

3 

20 class DependencyResolver {

21 

25  protected $workspace = 0;

26 

30  protected $factory;

31 

35  protected $elements = array();

36 

40  protected $eventCallbacks = array();

41 

45  protected $outerMostParentsRequireReferences = FALSE;

46 

50  protected $outerMostParents;

51 

57  public function setWorkspace($workspace) {

58  $this->workspace = (int) $workspace;

59  }

60 

66  public function getWorkspace() {

67  return $this->workspace;

68  }

69 

77  public function setEventCallback($eventName, \TYPO3\CMS\Version\Dependency\EventCallback $callback) {

78  $this->eventCallbacks[$eventName] = $callback;

79  return $this;

80  }

81 

90  public function executeEventCallback($eventName, $caller, array $callerArguments = array()) {

91  if (isset($this->eventCallbacks[$eventName])) {

93  $callback = $this->eventCallbacks[$eventName];

94  return $callback->execute($callerArguments, $caller, $eventName);

95  }

96  return NULL;

97  }

98 

105  public function setOuterMostParentsRequireReferences($outerMostParentsRequireReferences) {

106  $this->outerMostParentsRequireReferences = (bool) $outerMostParentsRequireReferences;

107  return $this;

108  }

109 

118  public function addElement($table, $id, array $data = array()) {

119  $element = $this->getFactory()->getElement($table, $id, $data, $this);

120  $elementName = $element->__toString();

121  $this->elements[$elementName] = $element;

122  return $element;

123  }

124 

130  public function getOuterMostParents() {

131  if (!isset($this->outerMostParents)) {

132  $this->outerMostParents = array();

134  foreach ($this->elements as $element) {

135  $this->processOuterMostParent($element);

136  }

137  }

138  return $this->outerMostParents;

139  }

140 

147  protected function processOuterMostParent(\TYPO3\CMS\Version\Dependency\ElementEntity $element) {

148  if ($this->outerMostParentsRequireReferences === FALSE || $element->hasReferences()) {

149  $outerMostParent = $element->getOuterMostParent();

150  if ($outerMostParent !== FALSE) {

151  $outerMostParentName = $outerMostParent->__toString();

152  if (!isset($this->outerMostParents[$outerMostParentName])) {

153  $this->outerMostParents[$outerMostParentName] = $outerMostParent;

154  }

155  }

156  }

157  }

158 

166  public function getNestedElements(\TYPO3\CMS\Version\Dependency\ElementEntity $outerMostParent) {

167  $outerMostParentName = $outerMostParent->__toString();

168  if (!isset($this->outerMostParents[$outerMostParentName])) {

169  throw new \RuntimeException('Element "' . $outerMostParentName . '" was not detected as outermost parent.', 1289318609);

170  }

171  $nestedStructure = array_merge(array($outerMostParentName => $outerMostParent), $outerMostParent->getNestedChildren());

172  return $nestedStructure;

173  }

174 

180  public function getElements() {

181  return $this->elements;

182  }

183 

189  public function getFactory() {

190  if (!isset($this->factory)) {

191  $this->factory = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Version\\Dependency\\DependencyEntityFactory');

192  }

193  return $this->factory;

194  }

195 

196 }