/**
* Create a list of the files in the torrent and their sizes as well as the total torrent size
*
* @return array with a list of files and file sizes
*/
public function file_list()
{
if (empty($this->Dec)) {
return false;
}
$InfoDict =& $this->Dec['info'];
if (!isset($InfoDict['files'])) {
// Single-file torrent
$this->Size = Int64::is_int($InfoDict['length']) ? Int64::get($InfoDict['length']) : $InfoDict['length'];
$Name = isset($InfoDict['name.utf-8']) ? $InfoDict['name.utf-8'] : $InfoDict['name'];
$this->Files[] = array($this->Size, $Name);
} else {
if (isset($InfoDict['path.utf-8']['files'][0])) {
$this->PathKey = 'path.utf-8';
}
foreach ($InfoDict['files'] as $File) {
$TmpPath = array();
foreach ($File[$this->PathKey] as $SubPath) {
$TmpPath[] = $SubPath;
}
$CurSize = Int64::is_int($File['length']) ? Int64::get($File['length']) : $File['length'];
$this->Files[] = array($CurSize, implode('/', $TmpPath));
$this->Size += $CurSize;
}
uasort($this->Files, function ($a, $b) {
return strnatcasecmp($a[1], $b[1]);
});
}
return array($this->Size, $this->Files);
}
/**
* Internal encoding function that does the actual job
*
* @return bencoded string
*/
private function _benc()
{
if (!is_array($this->Data)) {
if (Int64::is_int($this->Data)) {
// Integer
return 'i' . Int64::get($this->Data) . 'e';
}
if ($this->Data === true) {
// Empty dictionary
return 'de';
}
return strlen($this->Data) . ':' . $this->Data;
// String
}
if (empty($this->Data) || Int64::is_int(key($this->Data))) {
$IsDict = false;
} else {
$IsDict = true;
ksort($this->Data);
// Dictionaries must be sorted
}
$Ret = $IsDict ? 'd' : 'l';
foreach ($this->Data as $Key => $Value) {
if ($IsDict) {
$Ret .= strlen($Key) . ':' . $Key;
}
$this->Data = $Value;
$Ret .= $this->_benc();
}
return $Ret . 'e';
}
/**
* Convert everything to the correct data types and optionally escape strings
*
* @param bool $Escape whether to escape the textual data
* @param mixed $Data decoded data or false to use the $Dec property
* @return decoded data with more useful data types
*/
public function dump($Escape = true, $Data = false)
{
if ($Data === false) {
$Data = $this->Dec;
}
if (Int64::is_int($Data)) {
return Int64::get($Data);
}
if (is_bool($Data)) {
return array();
}
if (is_array($Data)) {
$Output = array();
foreach ($Data as $Key => $Val) {
$Output[$Key] = $this->dump($Escape, $Val);
}
return $Output;
}
return $Escape ? htmlentities($Data) : $Data;
}
