/**
* Populate a single simple xml node (leaf).
*
* @param array $data
* @param string $fullKey
* @param CourseXMLElement $parent
*/
private function populateLeaf(&$data, $fullKey, $parent) {
$fullKeyNoLang = $fullKey;
if ($this->getAttribute('lang')) {
$fullKey .= '_' . $this->getAttribute('lang');
}
if (isset($data[$fullKey])) {
if (!is_array($data[$fullKey])) {
if (in_array($fullKeyNoLang, CourseXMLConfig::$integerFields)) {
$this->{0} = intval($data[$fullKey]);
} else if (in_array($fullKeyNoLang, CourseXMLConfig::$floatFields)) {
$this->{0} = CourseXMLConfig::getFloat($data[$fullKey]);
} else {
$this->{0} = $data[$fullKey];
}
// mime attribute for mime fields
if (in_array($fullKeyNoLang, CourseXMLConfig::$binaryFields)) {
$this['mime'] = isset($data[$fullKey . '_mime']) ? $data[$fullKey . '_mime'] : '';
}
} else {
// multiple entities (multiEnum, multiFields and units) use associative indexed arrays
if (in_array($fullKeyNoLang, CourseXMLConfig::$multiEnumerationFields)) {
// multiEnums are just comma separated
$this->{0} = implode(',', $data[$fullKey]);
} else if (in_array($fullKeyNoLang, CourseXMLConfig::$multipleFields)) {
// multiplicity fields
if ($parent !== null) {
$name = $this->getName();
// calc index to locate the proper child
$i = 0;
if (isset($data[$fullKey . '_walked'])) {
$i = intval($data[$fullKey . '_walked']) + 1;
}
// this part is walked n independent times, where n = count($data[$fullKey])
// for each walking, we have to remember which was the previous index
// and assign the next array value to the (next) proper parent element
if ($i < count($data[$fullKey])) {
if (in_array($fullKeyNoLang, CourseXMLConfig::$integerFields)) {
$parent->{$name}[$i] = intval($data[$fullKey][$i]);
} else if (in_array($fullKeyNoLang, CourseXMLConfig::$floatFields)) {
$parent->{$name}[$i] = CourseXMLConfig::getFloat($data[$fullKey][$i]);
} else {
$parent->{$name}[$i] = $data[$fullKey][$i];
}
// mime attribute for mime fields
if (in_array($fullKeyNoLang, CourseXMLConfig::$binaryFields)) {
$parent->{$name}[$i]['mime'] = isset($data[$fullKey . '_mime'][$i]) ? $data[$fullKey . '_mime'][$i] : '';
}
// store index for locating the proper child at the next iteration
$data[$fullKey . '_walked'] = $i;
}
}
} else if (in_array($fullKeyNoLang, CourseXMLConfig::$arrayFields)) {
if ($parent !== null) {
$name = $this->getName();
// calc index to locate the proper child
$j = 0;
if (isset($data[$fullKey . '_walked'])) {
$j = intval($data[$fullKey . '_walked']) + 1;
}
// this part is walked n independent times, where n = count($data[$fullKey])
// for each walking, we have to remember which was the previous index
// and assign the next array value to the (next) proper parent element
if ($j < count($data[$fullKey])) {
if (in_array($fullKeyNoLang, CourseXMLConfig::$integerFields)) {
$this->{0} = intval($data[$fullKey][$j]);
} else if (in_array($fullKeyNoLang, CourseXMLConfig::$floatFields)) {
$this->{0} = CourseXMLConfig::getFloat($data[$fullKey][$j]);
} else {
$this->{0} = $data[$fullKey][$j];
}
// mime attribute for mime fields
if (in_array($fullKeyNoLang, CourseXMLConfig::$binaryFields)) {
$this['mime'] = isset($data[$fullKey . '_mime']) ? $data[$fullKey . '_mime'][$j] : '';
}
// store index for locating the proper child at the next iteration
$data[$fullKey . '_walked'] = $j;
}
}
} else { // units
$index = intval($this->getAttribute('index')) - 1;
if ($index >= 0 && isset($data[$fullKey][$index])) {
$this->{0} = $data[$fullKey][$index];
unset($this['index']); // remove attribute
}
}
}
}
}
