private function _parse()
{
$this->torrentArray = Lms_BTransform::decode($this->source);
$this->_isLoaded = $this->_isValidTorrentFile();
$this->_files = array();
if ($this->_isLoaded) {
$this->_encoding = isset($this->torrentArray['encoding']) ? $this->torrentArray['encoding'] : 'UTF-8';
if (isset($this->torrentArray['info']['files'])) {
$dirName = $this->torrentArray['info']['name'];
foreach ($this->torrentArray['info']['files'] as $file) {
$filePath = $dirName . $this->_dirSeparator . implode($this->_dirSeparator, $file['path']);
$this->_files[] = array('path' => $filePath, 'size' => $file['length']);
}
} else {
$filePath = $this->torrentArray['info']['name'];
$fileSize = $this->torrentArray['info']['length'];
$this->_files[] = array('path' => $filePath, 'size' => $fileSize);
}
}
return $this->_isLoaded;
}
/**
* @access private
* @static
*/
private static function _bdecodeRecursive($encodedStr, &$pos)
{
$encodedStrlen = strlen($encodedStr);
if ($pos < 0 || $pos >= $encodedStrlen) {
return NULL;
} else {
if ($encodedStr[$pos] == 'i') {
$pos++;
$numlen = strspn($encodedStr, '-0123456789', $pos);
$spos = $pos;
$pos += $numlen;
if ($pos >= $encodedStrlen || $encodedStr[$pos] != 'e') {
return NULL;
} else {
$pos++;
return floatval(substr($encodedStr, $spos, $numlen));
}
} elseif ($encodedStr[$pos] == 'd') {
$pos++;
$ret = array();
while ($pos < $encodedStrlen) {
if ($encodedStr[$pos] == 'e') {
$pos++;
return $ret;
} else {
$key = Lms_BTransform::_bdecodeRecursive($encodedStr, $pos);
if ($key === NULL) {
return NULL;
} else {
$val = Lms_BTransform::_bdecodeRecursive($encodedStr, $pos);
if ($val === NULL) {
return NULL;
} elseif (!is_array($key)) {
$ret[$key] = $val;
}
}
}
}
return NULL;
} elseif ($encodedStr[$pos] == 'l') {
$pos++;
$ret = array();
while ($pos < $encodedStrlen) {
if ($encodedStr[$pos] == 'e') {
$pos++;
return $ret;
} else {
$val = Lms_BTransform::_bdecodeRecursive($encodedStr, $pos);
if ($val === NULL) {
return NULL;
} else {
$ret[] = $val;
}
}
}
return NULL;
} else {
$numlen = strspn($encodedStr, '0123456789', $pos);
$spos = $pos;
$pos += $numlen;
if ($pos >= $encodedStrlen || $encodedStr[$pos] != ':') {
return NULL;
} else {
$vallen = intval(substr($encodedStr, $spos, $numlen));
$pos++;
$val = substr($encodedStr, $pos, $vallen);
if (strlen($val) != $vallen) {
return NULL;
} else {
$pos += $vallen;
return $val;
}
}
}
}
}
