/**
* Switches the $token to a ComposedToken
* @param stream $stream
*/
public function composeToken($stream)
{
$this->token = $this->lexer->getCreatedComposedTokener($stream, $this->getToken());
$this->token->setParser($this);
return $this->token;
}
/**
* This is the core iteration of process() method
* @param Lexer $lexer
* @return int The returning position-offset for next iteration (will be incremented by 1)
*/
protected function iteration(Lexer $lexer)
{
$offset = 0;
// stop processing when simple closing sequence found
if ($this->identifyCloseTag()) {
$this->close();
return $offset;
}
// create a token on current position for checking if there's a sub-token
$substream = $this->getSubStream($this->getCursor());
$tokeners = $lexer->getCreatedTokeners($substream);
$dataTker = $lexer->getCreatedDataTokener($substream);
$token = Lexer::tokenize($tokeners, $dataTker);
// check if a sub-token found
if (!$token->isDataStream()) {
// getting a new instance of used Parser
$dataBefore = $this->getSubStream(0, $this->getCursor());
$this->subparser = $this->getParser()->getNewInstance($substream)->parse($token->setParent($this), $dataBefore);
// incrementing the position of processing to the end of the sub-token's closing tag
$offset = $this->subparser->getToken()->getLength();
$this->setCursor($offset);
$this->close(true);
// next iteration increments position to continue the processing
}
return $offset;
}