/**
* Replace occurrences of the name of the classy element by "self" (if possible).
*
* @param Tokens $tokens
* @param string $name
* @param int $startIndex
* @param int $endIndex
*/
private function replaceNameOccurrences(Tokens $tokens, $name, $startIndex, $endIndex)
{
$tokensAnalyzer = new TokensAnalyzer($tokens);
for ($i = $startIndex; $i < $endIndex; ++$i) {
$token = $tokens[$i];
// skip lambda functions (PHP < 5.4 compatibility)
if ($token->isGivenKind(T_FUNCTION) && $tokensAnalyzer->isLambda($i)) {
$i = $tokens->getNextTokenOfKind($i, array('{'));
$i = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $i);
continue;
}
if (!$token->equals(array(T_STRING, $name), false)) {
continue;
}
$prevToken = $tokens[$tokens->getPrevMeaningfulToken($i)];
$nextToken = $tokens[$tokens->getNextMeaningfulToken($i)];
// skip tokens that are part of a fully qualified name
if ($prevToken->isGivenKind(T_NS_SEPARATOR) || $nextToken->isGivenKind(T_NS_SEPARATOR)) {
continue;
}
if ($prevToken->isGivenKind(array(T_INSTANCEOF, T_NEW)) || $nextToken->isGivenKind(T_PAAMAYIM_NEKUDOTAYIM)) {
$token->setContent('self');
}
}
}
/**
* @dataProvider provideIsLambdaCases
*/
public function testIsLambda($source, array $expected)
{
$tokensAnalyzer = new TokensAnalyzer(Tokens::fromCode($source));
foreach ($expected as $index => $isLambda) {
$this->assertSame($isLambda, $tokensAnalyzer->isLambda($index));
}
}
/**
* @param Tokens $tokens
* @param TokensAnalyzer $tokensAnalyzer
* @param int $classStart
* @param int $classEnd
*/
private function fixClass(Tokens $tokens, TokensAnalyzer $tokensAnalyzer, $classStart, $classEnd)
{
for ($index = $classEnd; $index > $classStart; --$index) {
if (!$tokens[$index]->isGivenKind(T_FUNCTION) || $tokensAnalyzer->isLambda($index)) {
continue;
}
$attributes = $tokensAnalyzer->getMethodAttributes($index);
if (true === $attributes['abstract']) {
$methodEnd = $tokens->getNextTokenOfKind($index, array(';'));
} else {
$methodStart = $tokens->getNextTokenOfKind($index, array('{'));
$methodEnd = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $methodStart, true);
}
$this->fixSpaceBelowMethod($tokens, $classEnd, $methodEnd);
$this->fixSpaceAboveMethod($tokens, $classStart, $index);
}
}
/**
* {@inheritdoc}
*/
public function fix(\SplFileInfo $file, Tokens $tokens)
{
$tokensAnalyzer = new TokensAnalyzer($tokens);
for ($index = $tokens->count() - 1; $index >= 0; --$index) {
$token = $tokens[$index];
if (!$token->isGivenKind(T_FUNCTION)) {
continue;
}
$startParenthesisIndex = $tokens->getNextTokenOfKind($index, array('('));
$endParenthesisIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $startParenthesisIndex);
$startBraceIndex = $tokens->getNextTokenOfKind($endParenthesisIndex, array(';', '{'));
$startBraceToken = $tokens[$startBraceIndex];
if ($startBraceToken->equals('{')) {
// fix single-line whitespace before {
// eg: `function foo(){}` => `function foo() {}`
// eg: `function foo() {}` => `function foo() {}`
if (!$tokens[$startBraceIndex - 1]->isWhitespace() || $tokens[$startBraceIndex - 1]->isWhitespace($this->singleLineWhitespaceOptions)) {
$tokens->ensureWhitespaceAtIndex($startBraceIndex - 1, 1, ' ');
}
}
$afterParenthesisIndex = $tokens->getNextNonWhitespace($endParenthesisIndex);
$afterParenthesisToken = $tokens[$afterParenthesisIndex];
if ($afterParenthesisToken->isGivenKind(CT_USE_LAMBDA)) {
$useStartParenthesisIndex = $tokens->getNextTokenOfKind($afterParenthesisIndex, array('('));
$useEndParenthesisIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $useStartParenthesisIndex);
// fix whitespace after CT_USE_LAMBDA
$tokens->ensureWhitespaceAtIndex($afterParenthesisIndex + 1, 0, ' ');
// remove single-line edge whitespaces inside use parentheses
$this->fixParenthesisInnerEdge($tokens, $useStartParenthesisIndex, $useEndParenthesisIndex);
// fix whitespace before CT_USE_LAMBDA
$tokens->ensureWhitespaceAtIndex($afterParenthesisIndex - 1, 1, ' ');
}
// remove single-line edge whitespaces inside parameters list parentheses
$this->fixParenthesisInnerEdge($tokens, $startParenthesisIndex, $endParenthesisIndex);
if (!$tokensAnalyzer->isLambda($index)) {
// remove whitespace before (
// eg: `function foo () {}` => `function foo() {}`
if ($tokens[$startParenthesisIndex - 1]->isWhitespace()) {
$tokens[$startParenthesisIndex - 1]->clear();
}
}
// fix whitespace after T_FUNCTION
// eg: `function foo() {}` => `function foo() {}`
$tokens->ensureWhitespaceAtIndex($index + 1, 0, ' ');
}
}
private function fixLambdas(Tokens $tokens)
{
$tokensAnalyzer = new TokensAnalyzer($tokens);
for ($index = $tokens->count() - 1; 0 <= $index; --$index) {
$token = $tokens[$index];
if (!$token->isGivenKind(T_FUNCTION) || !$tokensAnalyzer->isLambda($index)) {
continue;
}
$nextIndex = $tokens->getNextTokenOfKind($index, array('{'));
$tokens->ensureWhitespaceAtIndex($nextIndex - 1, 1, ' ');
}
}
