/**
* Search for deleted properties and use the editor to delete these entries
*
* @param Config $oldconfig The config representing the state before the change
* @param Config $newconfig The config representing the state after the change
* @param Document $doc
*
* @throws ProgrammingError
*/
protected function diffPropertyDeletions(Config $oldconfig, Config $newconfig, Document $doc)
{
// Iterate over all properties in the old configuration file and remove those that don't
// exist in the new config
foreach ($oldconfig->toArray() as $section => $directives) {
if (!is_array($directives)) {
Logger::warning('Section-less property ' . (string) $directives . ' was ignored.');
continue;
}
if ($newconfig->hasSection($section)) {
$newSection = $newconfig->getSection($section);
$oldDomSection = $doc->getSection($section);
foreach ($directives as $key => $value) {
if ($value instanceof ConfigObject) {
throw new ProgrammingError('Cannot diff recursive configs');
}
if (null === $newSection->get($key) && $oldDomSection->hasDirective($key)) {
$oldDomSection->removeDirective($key);
}
}
} else {
$doc->removeSection($section);
}
}
}
