/**
* @param \Carrooi\Tokenizer\Parsing\Lexer $lexer
* @return int
*/
function match(Lexer $lexer)
{
$tokens = [];
foreach ($this->tokens as $token) {
if ($token instanceof AbstractModifier || $token instanceof Matcher) {
$token = $this->builder->_matchToken($lexer, $token);
if (is_array($token) && Helpers::isListOfValidTokens($token)) {
return $token;
} elseif ($token !== false) {
$tokens[] = $token;
}
} else {
$tokens[] = $token;
}
}
if (!$lexer->isNextToken($tokens)) {
return false;
}
$result = [];
while (true) {
$peek = $lexer->peek();
if (!$peek) {
break;
}
if (Helpers::isTokenA($peek['type'], $tokens)) {
$result[] = $peek;
} else {
$lexer->resetPeek();
break;
}
}
return count($result) ? $result : false;
}
/**
* @param \Carrooi\Tokenizer\Parsing\Lexer $lexer
* @return array|bool
*/
function match(Lexer $lexer)
{
$startToken = $this->startToken instanceof AbstractModifier ? $this->builder->_matchToken($lexer, $this->startToken) : $this->startToken;
$endToken = $this->endToken instanceof AbstractModifier ? $this->builder->_matchToken($lexer, $this->endToken) : $this->endToken;
if (!$lexer->isNextToken($startToken)) {
return false;
}
$openings = 0;
$result = [];
while (true) {
$peek = $lexer->peek();
if (!$peek) {
break;
}
if (Helpers::isTokenA($peek['type'], $startToken)) {
$openings++;
if ($openings > 1 && $this->recursive) {
$subTokens = array_slice($lexer->tokens, $lexer->position + $lexer->peekPosition - 1);
$subLexer = new Lexer($subTokens);
$parenthesis = $this->match($subLexer);
if (!$parenthesis) {
return false;
}
$moveTo = $subLexer->peekPosition - 1;
for ($i = 0; $i < $moveTo; $i++) {
$lexer->peek();
}
$openings--;
$result[] = $parenthesis;
} else {
$result[] = $peek;
}
} else {
$result[] = $peek;
if (Helpers::isTokenA($peek['type'], $endToken) && --$openings < 1) {
break;
}
}
}
return count($result) ? $result : false;
}
/**
* @param int|array $type
* @param int|array|null $stopAt
* @return bool
*/
public function skipUntil($type, $stopAt = null)
{
$type = is_array($type) ? $type : [$type];
$stopAt = is_array($stopAt) ? $stopAt : ($stopAt ? [$stopAt] : []);
while ($this->lookahead !== null && !Helpers::isTokenA($this->lookahead['type'], $type) && (empty($stopAt) || !Helpers::isTokenA($this->token['type'], $stopAt))) {
$this->moveNext();
}
return $this->lookahead && Helpers::isTokenA($this->lookahead['type'], $type);
}
