/**
* @since 1.0
* @uses getState()
* @uses parseFileHeader()
* @uses getRawFileHeader()
* @uses Chunk::getData()
* @uses TrackParser::parse()
* @uses TrackParser::getState()
*
* @throws {@link ParseException}
* @return Chunk
*/
public function parse()
{
$chunk = null;
$state = $this->getState();
switch ($state) {
case ParseState::FILE_HEADER:
$chunk = $this->parseFileHeader($this->getRawFileHeader());
list(, $numTracks, ) = $chunk->getData();
$this->tracksExpected = $numTracks;
$this->setState(ParseState::TRACK_HEADER);
break;
case ParseState::TRACK_HEADER:
case ParseState::EVENT:
case ParseState::DELTA:
$chunk = $this->trackParser->parse();
$newState = $this->trackParser->getState();
if ($newState === ParseState::TRACK_HEADER) {
$this->tracksParsed++;
if ($this->getTracksParsed() >= $this->getTracksExpected()) {
$newState = ParseState::EOF;
}
}
$this->setState($newState);
break;
case ParseState::EOF:
//the pointer is not beyond the buffer length at this point
//one more should push it over the edge
$this->file->fgetc();
if (!$this->file->eof()) {
throw new ParseException('Expected EOF');
}
break;
default:
throw new StateException('Unknown parse state: ' . $state);
}
return $chunk;
}
public function testDefaultState()
{
$this->assertEquals(ParseState::TRACK_HEADER, $this->obj->getState());
}
