/**
* Extracts the translation units from a structures.xml file.
* Translation Units can be retrieved after extraction by calling the getTranslationUnits
* method.
*
* @access public
* @author Jerome Bogaerts <*****@*****.**>
* @throws tao_helpers_translation_TranslationException If an error occurs.
*/
public function extract()
{
$translationUnits = array();
foreach ($this->getPaths() as $file) {
$xml = new \SimpleXMLElement($file, null, true);
if ($xml instanceof SimpleXMLElement) {
// look up for "name" attributes of structure elements.
$nodes = $xml->xpath("//structure[@name]|//section[@name]");
foreach ($nodes as $node) {
if (isset($node['name'])) {
$nodeName = (string) $node['name'];
$newTranslationUnit = new tao_helpers_translation_POTranslationUnit();
$newTranslationUnit->setSource($nodeName);
$newTranslationUnit->addFlag('tao-public');
$translationUnits[$nodeName] = $newTranslationUnit;
}
}
// look up for "name" attributes of action elements.
$nodes = $xml->xpath("//action[@name]|//tree[@name]");
foreach ($nodes as $node) {
if (isset($node['name'])) {
$nodeName = (string) $node['name'];
$newTranslationUnit = new tao_helpers_translation_POTranslationUnit();
$newTranslationUnit->setSource($nodeName);
$newTranslationUnit->addFlag('tao-public');
$translationUnits[$nodeName] = $newTranslationUnit;
}
}
// look up for "description" elements.
$nodes = $xml->xpath("//description");
foreach ($nodes as $node) {
if ((string) $node != '') {
$newTranslationUnit = new tao_helpers_translation_POTranslationUnit();
$newTranslationUnit->setSource((string) $node);
$newTranslationUnit->addFlag('tao-public');
$translationUnits[(string) $node] = $newTranslationUnit;
}
}
// look up for "action" elements inside a toolbar
$nodes = $xml->xpath("//toolbar/toolbaraction");
foreach ($nodes as $node) {
$nodeValue = (string) $node;
if (trim($nodeValue) != '' && !array_key_exists($nodeValue, $translationUnits)) {
$newTranslationUnit = new tao_helpers_translation_POTranslationUnit();
$newTranslationUnit->setSource($nodeValue);
$newTranslationUnit->addFlag('tao-public');
$translationUnits[$nodeValue] = $newTranslationUnit;
}
}
// look up for the "title" attr of an "action" element inside a toolbar
$nodes = $xml->xpath("//toolbar/toolbaraction[@title]");
foreach ($nodes as $node) {
if (isset($node['title'])) {
$nodeTitle = (string) $node['title'];
$newTranslationUnit = new tao_helpers_translation_POTranslationUnit();
$newTranslationUnit->setSource($nodeTitle);
$newTranslationUnit->addFlag('tao-public');
$translationUnits[$nodeTitle] = $newTranslationUnit;
}
}
// look up for the "entrypoint" elements
$nodes = $xml->xpath("//entrypoint");
foreach ($nodes as $node) {
if (isset($node['title'])) {
$nodeTitle = (string) $node['title'];
$newTranslationUnit = new tao_helpers_translation_POTranslationUnit();
$newTranslationUnit->setSource($nodeTitle);
$newTranslationUnit->addFlag('tao-public');
$translationUnits[$nodeTitle] = $newTranslationUnit;
}
if (isset($node['label'])) {
$nodeLabel = (string) $node['label'];
$newTranslationUnit = new tao_helpers_translation_POTranslationUnit();
$newTranslationUnit->setSource($nodeLabel);
$newTranslationUnit->addFlag('tao-public');
$translationUnits[$nodeTitle] = $newTranslationUnit;
}
}
}
}
$this->setTranslationUnits(array_values($translationUnits));
}
