/**
* {@inheritdoc}
*/
public function fix(\SplFileInfo $file, Tokens $tokens)
{
$classes = array_keys($tokens->findGivenKind(T_CLASS));
$numClasses = count($classes);
for ($i = 0; $i < $numClasses; ++$i) {
$index = $classes[$i];
// is it inside a namespace?
$nspIndex = $tokens->getPrevTokenOfKind($index, array(array(T_NAMESPACE, 'namespace')));
if (null !== $nspIndex) {
$nspIndex = $tokens->getNextMeaningfulToken($nspIndex);
// make sure it's not the global namespace, as PHP4 constructors are allowed in there
if (!$tokens[$nspIndex]->equals('{')) {
// unless it's the global namespace, the index currently points to the name
$nspIndex = $tokens->getNextTokenOfKind($nspIndex, array(';', '{'));
if ($tokens[$nspIndex]->equals(';')) {
// the class is inside a (non-block) namespace, no PHP4-code should be in there
break;
}
// the index points to the { of a block-namespace
$nspEnd = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $nspIndex);
if ($index < $nspEnd) {
// the class is inside a block namespace, skip other classes that might be in it
for ($j = $i + 1; $j < $numClasses; ++$j) {
if ($classes[$j] < $nspEnd) {
++$i;
}
}
// and continue checking the classes that might follow
continue;
}
}
}
$classNameIndex = $tokens->getNextMeaningfulToken($index);
$className = $tokens[$classNameIndex]->getContent();
$classStart = $tokens->getNextTokenOfKind($classNameIndex, array('{'));
$classEnd = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $classStart);
$this->fixConstructor($tokens, $className, $classStart, $classEnd);
$this->fixParent($tokens, $classStart, $classEnd);
}
}
/**
* @param Tokens $tokens
* @param int $variableIndex
*
* @return bool
*/
private function isTypehintedNullableVariable(Tokens $tokens, $variableIndex)
{
$typehintedTokens = array(array(T_STRING), array(CT_ARRAY_TYPEHINT), ',', '(');
$typehintedKinds = array(T_STRING, CT_ARRAY_TYPEHINT);
if (PHP_VERSION_ID >= 50400) {
$typehintedTokens[] = array(T_CALLABLE);
$typehintedKinds[] = T_CALLABLE;
}
$prevMeaningfulTokenIndex = $tokens->getPrevTokenOfKind($variableIndex, $typehintedTokens);
if (!$tokens[$prevMeaningfulTokenIndex]->isGivenKind($typehintedKinds)) {
return false;
}
$nextMeaningfulTokenIndex = $tokens->getNextTokenOfKind($variableIndex, array(array(T_STRING), ',', ')'));
$lowerCasedNextContent = strtolower($tokens[$nextMeaningfulTokenIndex]->getContent());
return 'null' === $lowerCasedNextContent;
}
/**
* @param Tokens $tokens
* @param int $index Index of "="
*
* @return bool
*/
private function isTypehintedNullableVariable(Tokens $tokens, $index)
{
$nextToken = $tokens[$tokens->getNextMeaningfulToken($index)];
if (!$nextToken->equals(array(T_STRING, 'null'), false)) {
return false;
}
$variableIndex = $tokens->getPrevMeaningfulToken($index);
$searchTokens = array(',', '(', array(T_STRING), array(CT_ARRAY_TYPEHINT));
$typehintKinds = array(T_STRING, CT_ARRAY_TYPEHINT);
if (defined('T_CALLABLE')) {
$searchTokens[] = array(T_CALLABLE);
$typehintKinds[] = T_CALLABLE;
}
$prevIndex = $tokens->getPrevTokenOfKind($variableIndex, $searchTokens);
return $tokens[$prevIndex]->isGivenKind($typehintKinds);
}
/**
* @param Tokens $tokens
* @param int $index
*
* @return string
*/
private function detectIndent(Tokens $tokens, $index)
{
while (true) {
$whitespaceIndex = $tokens->getPrevTokenOfKind($index, array(array(T_WHITESPACE)));
if (null === $whitespaceIndex) {
return '';
}
$whitespaceToken = $tokens[$whitespaceIndex];
if (false !== strpos($whitespaceToken->getContent(), "\n")) {
break;
}
$prevToken = $tokens[$whitespaceIndex - 1];
if ($prevToken->isGivenKind(array(T_OPEN_TAG, T_COMMENT)) && "\n" === substr($prevToken->getContent(), -1)) {
break;
}
$index = $whitespaceIndex;
}
$explodedContent = explode("\n", $whitespaceToken->getContent());
return end($explodedContent);
}
/**
* Return the first and last token index of the previous block.
*
* [0] First is either T_IF, T_ELSE or T_ELSEIF
* [1] Last is either '}' or ';' / T_CLOSE_TAG for short notation blocks
*
* @param Tokens $tokens
* @param int $index T_IF, T_ELSE, T_ELSEIF
*
* @return int[]
*/
private function getPreviousBlock(Tokens $tokens, $index)
{
$close = $previous = $tokens->getPrevMeaningfulToken($index);
// short 'if' detection
if ($tokens[$close]->equals('}')) {
$previous = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $close, false);
}
$open = $tokens->getPrevTokenOfKind($previous, array(array(T_IF), array(T_ELSE), array(T_ELSEIF)));
if ($tokens[$open]->isGivenKind(T_IF)) {
$elseCandidate = $tokens->getPrevMeaningfulToken($open);
if ($tokens[$elseCandidate]->isGivenKind(T_ELSE)) {
$open = $elseCandidate;
}
}
return array($open, $close);
}
