/**
* Parse a binary plist string
* @return void
* @throws IOException if read error occurs
*/
public function parseBinaryString()
{
$this->uniqueTable = array();
$this->countObjects = 0;
$this->stringSize = 0;
$this->intSize = 0;
$this->miscSize = 0;
$this->objectRefs = 0;
$this->writtenObjectCount = 0;
$this->objectTable = array();
$this->objectRefSize = 0;
$this->offsets = array();
// first, we read the trailer: 32 byte from the end
$buff = substr($this->content, -32);
if (strlen($buff) < 32) {
throw new PListException('Error in PList format: content is less than at least necessary 32 bytes!');
}
$infos = unpack("x6/Coffset_size/Cobject_ref_size/x4/Nnumber_of_objects/x4/Ntop_object/x4/Ntable_offset", $buff);
// after that, get the offset table
$coded_offset_table = substr($this->content, $infos['table_offset'], $infos['number_of_objects'] * $infos['offset_size']);
if (strlen($coded_offset_table) != $infos['number_of_objects'] * $infos['offset_size']) {
throw IOException::readError("");
}
$this->countObjects = $infos['number_of_objects'];
// decode offset table
$formats = array("", "C*", "n*", NULL, "N*");
if ($infos['offset_size'] == 3) {
# since PHP does not support parenthesis in pack/unpack expressions,
# "(H6)*" does not work and we have to work round this by repeating the
# expression as often as it fits in the string
$this->offsets = array(NULL);
while ($coded_offset_table) {
$str = unpack("H6", $coded_offset_table);
$this->offsets[] = hexdec($str[1]);
$coded_offset_table = substr($coded_offset_table, 3);
}
} else {
$this->offsets = unpack($formats[$infos['offset_size']], $coded_offset_table);
}
$this->uniqueTable = array();
$this->objectRefSize = $infos['object_ref_size'];
$top = $this->readBinaryObjectAt($infos['top_object'] + 1);
$this->add($top);
}
/**
* Read a binary plist file
* @param string $file The file to read
* @return void
* @throws IOException if read error occurs
*/
function readBinary($file)
{
$this->uniqueTable = array();
$this->countObjects = 0;
$this->stringSize = 0;
$this->intSize = 0;
$this->miscSize = 0;
$this->objectRefs = 0;
$this->writtenObjectCount = 0;
$this->objectTable = array();
$this->objectRefSize = 0;
$this->offsets = array();
$fd = fopen($file, "rb");
// first, we read the trailer: 32 byte from the end
fseek($fd, -32, SEEK_END);
$buff = fread($fd, 32);
$infos = unpack("x6/Coffset_size/Cobject_ref_size/x4/Nnumber_of_objects/x4/Ntop_object/x4/Ntable_offset", $buff);
// after that, get the offset table
fseek($fd, $infos['table_offset'], SEEK_SET);
$coded_offset_table = fread($fd, $infos['number_of_objects'] * $infos['offset_size']);
if (strlen($coded_offset_table) != $infos['number_of_objects'] * $infos['offset_size']) {
throw IOException::readError($file);
}
$this->countObjects = $infos['number_of_objects'];
// decode offset table
$formats = array("", "C*", "n*", "(H6)*", "N*");
$this->offsets = unpack($formats[$infos['offset_size']], $coded_offset_table);
if ($infos['offset_size'] == 3) {
foreach ($this->offsets as $k => $v) {
$this->offsets[$k] = hexdec($v);
}
}
$this->uniqueTable = array();
$this->objectRefSize = $infos['object_ref_size'];
$top = $this->readBinaryObjectAt($file, $fd, $infos['top_object'] + 1);
$this->add($top);
fclose($fd);
}
public function parseBinaryString()
{
$this->uniqueTable = array();
$this->countObjects = 0;
$this->stringSize = 0;
$this->intSize = 0;
$this->miscSize = 0;
$this->objectRefs = 0;
$this->writtenObjectCount = 0;
$this->objectTable = array();
$this->objectRefSize = 0;
$this->offsets = array();
$buff = substr($this->content, -32);
$infos = unpack("x6/Coffset_size/Cobject_ref_size/x4/Nnumber_of_objects/x4/Ntop_object/x4/Ntable_offset", $buff);
$coded_offset_table = substr($this->content, $infos['table_offset'], $infos['number_of_objects'] * $infos['offset_size']);
if (strlen($coded_offset_table) != $infos['number_of_objects'] * $infos['offset_size']) {
throw IOException::readError("");
}
$this->countObjects = $infos['number_of_objects'];
$formats = array("", "C*", "n*", NULL, "N*");
if ($infos['offset_size'] == 3) {
$this->offsets = array(NULL);
while ($coded_offset_table) {
$str = unpack("H6", $coded_offset_table);
$this->offsets[] = hexdec($str[1]);
$coded_offset_table = substr($coded_offset_table, 3);
}
} else {
$this->offsets = unpack($formats[$infos['offset_size']], $coded_offset_table);
}
$this->uniqueTable = array();
$this->objectRefSize = $infos['object_ref_size'];
$top = $this->readBinaryObjectAt($infos['top_object'] + 1);
$this->add($top);
}
