/**
* If $constantToken is the token holding the value of the constant, update the value to $value
*
* @param Token $constantToken
* @param mixed $value
*/
private function attemptUpdate(Token $constantToken, $value)
{
$type = $constantToken->getType();
if ($type === T_CONSTANT_ENCAPSED_STRING) {
$constantToken->setValue(sprintf("'%s'", $value));
} elseif ($type === T_LNUMBER || $type === T_ARRAY) {
$constantToken->setValue($value);
}
}
/**
* @param Token $token
* @return bool
*/
protected function isValidBodyEndToken(Token $token)
{
if (T_WHITESPACE !== $token->getType()) {
return false;
}
if ($this->linesNum === 0 and strpos($token->getValue(), "\n") === false) {
return true;
}
return $this->linesNum === count(explode("\n", $token->getValue())) - 2;
}
/**
* @param Token $token
* @param string $emptyLines
* @return string
*/
protected function getTokenNewValue(Token $token, $emptyLines)
{
if ($token->getType() !== T_WHITESPACE) {
return $token->getValue() . $emptyLines;
}
$lines = explode("\n", $token->getValue());
$lineStart = current($lines);
$lineEnd = end($lines);
return $lineStart . $emptyLines . $lineEnd;
}
/**
* Convert php code to array of tokens
*
* @param string $code
* @return Token[]
* @throws Exception
*/
public static function getTokensFromString($code)
{
$tokens = token_get_all($code);
foreach ($tokens as $index => $tokenData) {
if (!is_array($tokenData)) {
$previousIndex = $index - 1;
/** @var Token $previousToken */
$previousToken = $tokens[$previousIndex];
$line = $previousToken->getLine() + substr_count($previousToken->getValue(), "\n");
$tokenData = [Token::INVALID_TYPE, $tokenData, $line];
}
$token = new Token($tokenData);
$token->setIndex($index);
$tokens[$index] = $token;
}
return $tokens;
}
/**
* @param Token $tokenStart
* @param Token $tokenEnd
* @return Collection
*/
public function extractByTokens(Token $tokenStart, Token $tokenEnd)
{
$collection = new Collection();
$startIndex = $tokenStart->getIndex();
$endIndex = $tokenEnd->getIndex();
foreach ($this->getItems() as $token) {
if ($token->getIndex() >= $startIndex and $token->getIndex() <= $endIndex) {
$collection->append($token);
}
}
return $collection;
}
/**
* Move to specific position
*
* @param Token $token
* @return Token|null
*/
public function moveToToken(Token $token)
{
if (!$token->isValid()) {
$this->setValid(false);
return new Token();
}
$tokenIndex = $token->getIndex();
foreach ($this->collection as $index => $collectionToken) {
if ($collectionToken->getIndex() == $tokenIndex) {
$this->setPosition($index);
return $collectionToken;
}
}
$this->setValid(false);
return new Token();
}
