1 <?php

2 namespace TYPO3\CMS\Rtehtmlarea\Extension;

3 

17 use TYPO3\CMS\Core\Utility\GeneralUtility;

18 

24 class MicroDataSchema extends \TYPO3\CMS\Rtehtmlarea\RteHtmlAreaApi {

25 

26  // The key of the TYPO3 extension that is extending htmlArea RTE

27  protected $extensionKey = 'rtehtmlarea';

28 

29  // The name of the plugin registered by the extension

30  protected $pluginName = 'MicrodataSchema';

31 

32  // Path to this main locallang file of the extension relative to the extension dir.

33  protected $relativePathToLocallangFile = 'extensions/MicrodataSchema/locallang.xlf';

34 

35  // Path to the skin (css) file relative to the extension dir

36  protected $relativePathToSkin = 'extensions/MicrodataSchema/skin/htmlarea.css';

37 

38  protected $htmlAreaRTE;

39 

40  // Reference to the invoking object

41  protected $thisConfig;

42 

43  // Reference to RTE PageTSConfig

44  protected $toolbar;

45 

46  // Reference to RTE toolbar array

47  protected $LOCAL_LANG;

48 

49  // Frontend language array

50  protected $pluginButtons = 'showmicrodata';

51 

52  protected $convertToolbarForHtmlAreaArray = array(

53  'showmicrodata' => 'ShowMicrodata'

54  );

55 

62  public function buildJavascriptConfiguration($RTEcounter) {

63  $registerRTEinJavascriptString = '';

64  $schema = array(

65  'types' => array(),

66  'properties' => array()

67  );

68  // Parse configured schemas

69  if (is_array($this->thisConfig['schema.']) && is_array($this->thisConfig['schema.']['sources.'])) {

70  foreach ($this->thisConfig['schema.']['sources.'] as $source) {

71  $fileName = trim($source);

72  $absolutePath = GeneralUtility::getFileAbsFileName($fileName);

73  // Fallback to default schema file if configured file does not exists or is of zero size

74  if (!$fileName || !file_exists($absolutePath) || !filesize($absolutePath)) {

75  $fileName = 'EXT:' . $this->ID . '/extensions/MicrodataSchema/res/schemaOrgAll.rdf';

76  }

77  $fileName = $this->htmlAreaRTE->getFullFileName($fileName);

78  $rdf = GeneralUtility::getUrl($fileName);

79  if ($rdf) {

80  $this->parseSchema($rdf, $schema);

81  }

82  }

83  }

84  uasort($schema['types'], array($this, 'compareLabels'));

85  uasort($schema['properties'], array($this, 'compareLabels'));

86  // Insert no type and no property entries

87  if ($this->htmlAreaRTE->is_FE()) {

88  $noSchema = $GLOBALS['TSFE']->getLLL('No type', $this->LOCAL_LANG);

89  $noProperty = $GLOBALS['TSFE']->getLLL('No property', $this->LOCAL_LANG);

90  } else {

91  $noSchema = $GLOBALS['LANG']->getLL('No type');

92  $noProperty = $GLOBALS['LANG']->getLL('No property');

93  }

94  array_unshift($schema['types'], array('name' => 'none', 'label' => $noSchema));

95  array_unshift($schema['properties'], array('name' => 'none', 'label' => $noProperty));

96  // Convert character set

97  if ($this->htmlAreaRTE->is_FE()) {

98  $GLOBALS['TSFE']->csConvObj->convArray($schema, $this->htmlAreaRTE->outputCharset, 'utf-8');

99  }

100  // Store json encoded array in temporary file

101  $registerRTEinJavascriptString = LF . TAB . 'RTEarea[editornumber].schemaUrl = "' . ($this->htmlAreaRTE->is_FE() && $GLOBALS['TSFE']->absRefPrefix ? $GLOBALS['TSFE']->absRefPrefix : '') . $this->htmlAreaRTE->writeTemporaryFile('', ('schema_' . $this->htmlAreaRTE->language), 'js', json_encode($schema), TRUE) . '";';

102  return $registerRTEinJavascriptString;

103  }

104 

112  protected function compareLabels($a, $b) {

113  return strcoll($a['label'], $b['label']);

114  }

115 

123  protected function parseSchema($string, &$schema) {

124  $resources = array();

125  $types = array();

126  $properties = array();

127  // Disables the functionality to allow external entities to be loaded when parsing the XML, must be kept

128  $previousValueOfEntityLoader = libxml_disable_entity_loader(TRUE);

129  // Load the document

130  $document = new \DOMDocument();

131  $document->loadXML($string);

132  libxml_disable_entity_loader($previousValueOfEntityLoader);

133  if ($document) {

134  // Scan resource descriptions

135  $items = $document->getElementsByTagName('Description');

136  $itemsCount = $items->length;

137  foreach ($items as $item) {

138  $name = $item->getAttribute('rdf:about');

139  $type = $item->getElementsByTagName('type');

140  if ($name && $type->length) {

141  $type = $type->item(0)->getAttribute('rdf:resource');

142  $resource = array();

143  $resource['name'] = $name;

144  $labels = $item->getElementsByTagName('label');

145  if ($labels->length) {

146  foreach ($labels as $label) {

147  $language = $label->getAttribute('xml:lang');

148  if ($language === $this->language) {

149  $resource['label'] = $label->nodeValue;

150  } elseif ($language === 'en') {

151  $defaultLabel = $label->nodeValue;

152  }

153  }

154  if (!$resource['label']) {

155  $resource['label'] = $defaultLabel;

156  }

157  }

158  $comments = $item->getElementsByTagName('comment');

159  if ($comments->length) {

160  foreach ($comments as $comment) {

161  $language = $comment->getAttribute('xml:lang');

162  if ($language === $this->language) {

163  $resource['comment'] = $comment->nodeValue;

164  } elseif ($language === 'en') {

165  $defaultComment = $comment->nodeValue;

166  }

167  }

168  if (!$resource['comment']) {

169  $resource['comment'] = $defaultComment;

170  }

171  }

172  switch ($type) {

173  case 'http://www.w3.org/2000/01/rdf-schema#Class':

174  $subClassOfs = $item->getElementsByTagName('subClassOf');

175  if ($subClassOfs->length) {

176  foreach ($subClassOfs as $subClassOf) {

177  $resource['subClassOf'] = $subClassOf->getAttribute('rdf:resource');

178  }

179  }

180  // schema.rdfs.org/all.rdf may contain duplicates!!

181  if (!in_array($resource['name'], $types)) {

182  $schema['types'][] = $resource;

183  $types[] = $resource['name'];

184  }

185  break;

186  case 'http://www.w3.org/1999/02/22-rdf-syntax-ns#Property':

187  // Keep only the last level of the name

188  // This is the value we want in the itemprop attribute

189  $pos = strrpos($resource['name'], '/');

190  if ($pos) {

191  $resource['name'] = substr($resource['name'], $pos + 1);

192  }

193  $domains = $item->getElementsByTagName('domain');

194  if ($domains->length) {

195  foreach ($domains as $domain) {

196  $resource['domain'] = $domain->getAttribute('rdf:resource');

197  }

198  }

199  $ranges = $item->getElementsByTagName('range');

200  if ($ranges->length) {

201  foreach ($ranges as $range) {

202  $resource['range'] = $range->getAttribute('rdf:resource');

203  }

204  }

205  // schema.rdfs.org/all.rdf may contain duplicates!!

206  if (!in_array($resource['name'], $properties)) {

207  $schema['properties'][] = $resource;

208  $properties[] = $resource['name'];

209  }

210  break;

211  default:

212  // Do nothing

213  }

214  }

215  }

216  }

217  }

218 

219 }