/**
*
*/
function compare(Alternc_Diagnostic_Data $source, Alternc_Diagnostic_Data $target)
{
$sourceIndex = $source->getIndex();
$targetIndex = $target->getIndex();
// Check diagnostics are same level
$source_type = $source->getType();
$target_type = $target->getType();
if ($source_type != $target_type) {
throw new \Exception("Invalid type comparison requested: {$source_type} vs {$target_type}");
}
$diffInstance = new Alternc_Diagnostic_Data($source_type);
#echo "type $source_type\n";
// Compare general data
if ($source->getMetadata() != $target->getMetadata()) {
$diffInstance->setMetadata(array_diff($source->getMetadata(), $target->getMetadata()));
}
if ($source->getIndex() != $target->getIndex()) {
$diffInstance->setIndex(array_diff($source->getIndex(), $target->getIndex()));
}
// If section content ie. no subsections
if ($source_type == Alternc_Diagnostic_Data::TYPE_SECTION) {
#echo "Real section\n";
if (is_array($source->getData()) && is_array($target->getData())) {
$diff = array_diff($source->getData(), $target->getData());
if ($diff) {
$diffInstance->setData(array_diff($source->getData(), $target->getData()));
}
} else {
if ($source->getData() != $target->getData()) {
$diffInstance->setData(array("source" => $source->getData(), "target" => $target->getData()));
}
}
} else {
$sourceData = $source->getData();
$targetData = $target->getData();
$seenSections = array();
foreach ($sourceData as $section_name => $sectionData) {
#echo "section_name $section_name\n";
$section_data_type = $sectionData->getType();
if (!isset($targetData[$section_name])) {
#echo "section_name not in target\n";
$tempDataInstance = new Alternc_Diagnostic_Data($section_data_type);
$tempDataInstance->setMetadata(array("Not in target"));
} else {
#echo "section_name for diff\n";
$tempDataInstance = $this->compare($sectionData, $targetData[$section_name]);
}
if (!is_null($tempDataInstance)) {
$diffInstance->addData($section_name, $tempDataInstance);
}
}
}
if (count($diffInstance->getData()) || count($diffInstance->getIndex()) || count($diffInstance->getMetadata())) {
return $diffInstance;
}
return null;
}
