/**
* Have a high offset to simulate a missing packet,
* which should cause it to ignore the ExtendedXMP packet.
*
* @covers XMPReader::parseExtended
*/
public function testExtendedXMPMissingPacket()
{
$xmpPath = __DIR__ . '/../../data/xmp/';
$standardXMP = file_get_contents($xmpPath . 'xmpExt.xmp');
$extendedXMP = file_get_contents($xmpPath . 'xmpExt2.xmp');
$md5sum = '28C74E0AC2D796886759006FBE2E57B7';
// of xmpExt2.xmp
$length = pack('N', strlen($extendedXMP));
$offset = pack('N', 2048);
$extendedPacket = $md5sum . $length . $offset . $extendedXMP;
$reader = new XMPReader();
$reader->parse($standardXMP);
$reader->parseExtended($extendedPacket);
$actual = $reader->getResults();
$expected = array('xmp-exif' => array('DigitalZoomRatio' => '0/10', 'Flash' => 9));
$this->assertEquals($expected, $actual);
}
/** Main entry point for jpeg's.
*
* @param string $filename filename (with full path)
* @return array metadata result array.
* @throws MWException on invalid file.
*/
static function Jpeg($filename)
{
$showXMP = function_exists('xml_parser_create_ns');
$meta = new self();
$seg = JpegMetadataExtractor::segmentSplitter($filename);
if (isset($seg['COM']) && isset($seg['COM'][0])) {
$meta->addMetadata(array('JPEGFileComment' => $seg['COM']), 'native');
}
if (isset($seg['PSIR']) && count($seg['PSIR']) > 0) {
foreach ($seg['PSIR'] as $curPSIRValue) {
$meta->doApp13($curPSIRValue);
}
}
if (isset($seg['XMP']) && $showXMP) {
$xmp = new XMPReader();
$xmp->parse($seg['XMP']);
foreach ($seg['XMP_ext'] as $xmpExt) {
/* Support for extended xmp in jpeg files
* is not well tested and a bit fragile.
*/
$xmp->parseExtended($xmpExt);
}
$res = $xmp->getResults();
foreach ($res as $type => $array) {
$meta->addMetadata($array, $type);
}
}
if (isset($seg['byteOrder'])) {
$meta->getExif($filename, $seg['byteOrder']);
}
return $meta->getMetadataArray();
}