/**
* Creates new ini part cache files
*
* @param string $content
*
* @return \Generator
*/
public function createIniParts($content)
{
// get all patterns from the ini file in the correct order,
// so that we can calculate with index number of the resulting array,
// which part to use when the ini file is splitted into its sections.
preg_match_all('/(?<=\\[)(?:[^\\r\\n]+)(?=\\])/m', $content, $patternpositions);
$patternpositions = $patternpositions[0];
// split the ini file into sections and save the data in one line with a hash of the beloging
// pattern (filtered in the previous step)
$iniParts = preg_split('/\\[[^\\r\\n]+\\]/', $content);
$contents = [];
$propertyFormatter = new PropertyFormatter(new PropertyHolder());
foreach ($patternpositions as $position => $pattern) {
$pattern = strtolower($pattern);
$patternhash = Pattern::getHashForParts($pattern);
$subkey = SubKey::getIniPartCacheSubKey($patternhash);
if (!isset($contents[$subkey])) {
$contents[$subkey] = [];
}
$browserProperties = parse_ini_string($iniParts[$position + 1], INI_SCANNER_RAW);
foreach (array_keys($browserProperties) as $property) {
$browserProperties[$property] = $propertyFormatter->formatPropertyValue($browserProperties[$property], $property);
}
// the position has to be moved by one, because the header of the ini file
// is also returned as a part
$contents[$subkey][] = $patternhash . "\t" . json_encode($browserProperties, JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_QUOT | JSON_HEX_AMP);
}
unset($patternpositions);
unset($iniParts);
$subkeys = array_flip(SubKey::getAllIniPartCacheSubKeys());
foreach ($contents as $subkey => $content) {
$subkey = (string) $subkey;
(yield [$subkey => $content]);
unset($subkeys[$subkey]);
}
foreach (array_keys($subkeys) as $subkey) {
$subkey = (string) $subkey;
(yield [$subkey => []]);
}
}
/**
* Gets the relevant part (array of settings) of the ini file for a given pattern.
*
* @param string $pattern
* @return array
*/
private function getIniPart($pattern)
{
$pattern = strtolower($pattern);
$patternhash = Pattern::getHashForParts($pattern);
$subkey = SubKey::getIniPartCacheSubKey($patternhash);
if (!$this->cache->hasItem('browscap.iniparts.' . $subkey, true)) {
$this->logger->debug('cache key "browscap.iniparts.' . $subkey . '" not found');
return [];
}
$success = null;
$file = $this->cache->getItem('browscap.iniparts.' . $subkey, true, $success);
if (!$success) {
$this->logger->debug('cache key "browscap.iniparts.' . $subkey . '" not found');
return [];
}
if (!is_array($file) || !count($file)) {
$this->logger->debug('cache key "browscap.iniparts.' . $subkey . '" was empty');
return [];
}
$propertyFormatter = new PropertyFormatter(new PropertyHolder());
$return = [];
foreach ($file as $buffer) {
list($tmpBuffer, $patterns) = explode("\t", $buffer, 2);
if ($tmpBuffer === $patternhash) {
$return = json_decode($patterns, true);
foreach (array_keys($return) as $property) {
$return[$property] = $propertyFormatter->formatPropertyValue($return[$property], $property);
}
break;
}
}
return $return;
}
