private function getLink()
{
$link = '';
if (substr($this->lexer->lookahead['value'], 1, 1) == '[' && substr($this->lexer->lookahead['value'], -1, 1) == ']') {
//We are looking for a link like $h[xxx]yyy$h
$this->lexer->moveNext();
$matches = array();
if ($this->lexer->lookahead && preg_match('/^\\[([^\\]]*)\\]$/iu', $this->lexer->lookahead['value'], $matches)) {
$link = $matches[1];
}
} else {
//We are looking for a link like $hxxxx$h
$endLinkTokens = array(Lexer::T_EXTERNAL_LINK, Lexer::T_INTERNAL_LINK, Lexer::T_RESET_ALL);
do {
$nextLookahead = $this->lexer->peek();
if ($nextLookahead && ($nextLookahead['type'] == Lexer::T_NONE || $nextLookahead['type'] == Lexer::T_ESCAPED_CHAR)) {
$link .= $nextLookahead['value'];
if (substr($link, 0, 1) == '[') {
//It means that there is no closing square bracket $l[noclosingsquarebracket
array_push($this->lookaheadToSkip, $nextLookahead);
}
}
} while ($nextLookahead !== null && !in_array($nextLookahead['type'], $endLinkTokens));
if (substr($link, 0, 1) == '[') {
//It means that there is no closing square bracket $l[noclosingsquarebracket
$link = '';
}
}
return $link;
}
/**
* Peeks beyond the matched closing parenthesis and returns the first token after that one.
*
* @param bool $resetPeek Reset peek after finding the closing parenthesis.
*
* @return array
*/
protected function peekBeyondClosingParenthesis($resetPeek = true)
{
$token = $this->lexer->peek();
$numUnmatched = 1;
while ($numUnmatched > 0 && $token !== null) {
switch ($token['type']) {
case Lexer::T_OPEN_PARENTHESIS:
++$numUnmatched;
break;
case Lexer::T_CLOSE_PARENTHESIS:
--$numUnmatched;
break;
default:
// Do nothing
}
$token = $this->lexer->peek();
}
if ($resetPeek) {
$this->lexer->resetPeek();
}
return $token;
}
