/**
* Returns the next token in the stack without shifting it off the list
*
* @return \vc\Tokens\Token|NULL Returns NULL if no tokens are left
*/
public function peekAtToken()
{
while ($this->inner->hasToken()) {
$peek = $this->inner->peekAtToken();
if (!$peek->is($this->mask)) {
return $peek;
}
$this->inner->popToken();
}
return NULL;
}
/**
* Returns the next token in the stack without shifting it off the list
*
* @return \vc\Tokens\Token|NULL Returns NULL if no tokens are left
*/
public function peekAtToken()
{
if (!$this->active) {
return NULL;
}
return $this->inner->peekAtToken();
}
/**
* @see \vc\iface\Tokens\Search::findSkipping
*/
public function peekToSkipping(array $types)
{
while ($this->reader->hasToken()) {
$token = $this->reader->peekAtToken();
$type = $token->getType();
if (in_array($type, $types)) {
return $token;
}
$this->reader->popToken();
}
}
/**
* Reads the path of a namespace
*
* @param \vc\iface\Tokens\Reader $reader The token source to pull from
* @return NULL
*/
public function parsePath(\vc\iface\Tokens\Reader $reader)
{
// Skip past any white space
while ($reader->hasToken() && $reader->peekAtToken()->is(Token::T_WHITESPACE)) {
$reader->popToken();
}
if (!$reader->hasToken()) {
throw new \vc\Tokens\Exception\UnexpectedEnd(array(Token::T_STRING, Token::T_NS_SEPARATOR));
}
$reader->peekAtToken()->expect(array(Token::T_STRING, Token::T_NS_SEPARATOR));
$path = array();
while ($reader->hasToken()) {
$token = $reader->peekAtToken();
if ($token->is(array(Token::T_STRING, Token::T_NS_SEPARATOR))) {
$path[] = $token->getContent();
} else {
break;
}
$reader->popToken();
}
return implode('', $path);
}
/**
* Returns the next token in the stack without shifting it off the list
*
* @return \vc\Tokens\Token|NULL Returns NULL if no tokens are left
*/
public function peekAtToken()
{
return $this->inner->peekAtToken();
}
