/**
* @param \Funivan\PhpTokenizer\Collection $collection
* @param int $currentIndex
* @return int|null
*/
public function process(\Funivan\PhpTokenizer\Collection $collection, $currentIndex)
{
$this->requireQueries();
$result = new StrategyResult();
$token = $collection->offsetGet($currentIndex);
if (empty($token) or $this->startQuery->isValid($token) === false) {
return $result;
}
$blockEndFlag = null;
$startIndex = null;
foreach ($collection as $tokenIndex => $token) {
if ($tokenIndex < $currentIndex) {
continue;
}
if ($this->startQuery->isValid($token)) {
$blockEndFlag++;
if ($blockEndFlag == 1) {
$startIndex = $tokenIndex;
}
} elseif ($startIndex !== null and $this->endQuery->isValid($token)) {
$blockEndFlag--;
}
if ($blockEndFlag === 0) {
$endIndex = $tokenIndex;
break;
}
}
if (isset($startIndex) and isset($endIndex)) {
$result = new StrategyResult();
$result->setValid(true);
$result->setNexTokenIndex(++$endIndex);
$result->setToken($token);
}
return $result;
}
/**
* @inheritdoc
*/
public function process(\Funivan\PhpTokenizer\Collection $collection, $currentIndex)
{
$result = new StrategyResult();
$endIndex = $currentIndex + $this->steps;
$result->setNexTokenIndex($endIndex);
if (isset($collection[$endIndex])) {
$result->setValid(true);
$result->setToken($collection[$endIndex]);
} else {
$result->setValid(false);
}
return $result;
}
/**
* @inheritdoc
*/
public function process(\Funivan\PhpTokenizer\Collection $collection, $currentIndex)
{
$result = new StrategyResult();
# getProcessor while we can check toke
$index = $currentIndex;
$searchForward = $this->direction === static::FORWARD;
do {
$token = $collection->offsetGet($index);
if ($token === null) {
return $result;
}
$index = $searchForward ? ++$index : --$index;
if ($this->isValid($token)) {
$result->setNexTokenIndex($index);
$result->setValid(true);
$result->setToken($token);
break;
}
} while (!empty($token));
return $result;
}