public function fix(\SplFileInfo $file, Tokens $tokens)
{
// replacement patterns
static $replacement = array('intval' => array(T_INT_CAST, '(int)'), 'floatval' => array(T_DOUBLE_CAST, '(float)'), 'doubleval' => array(T_DOUBLE_CAST, '(float)'), 'strval' => array(T_STRING_CAST, '(string)'), 'boolval' => array(T_BOOL_CAST, '(bool)'));
foreach ($replacement as $functionIdentity => $newToken) {
$currIndex = 0;
while (null !== $currIndex) {
// try getting function reference and translate boundaries for humans
$boundaries = $this->find($functionIdentity, $tokens, $currIndex, $tokens->count() - 1);
if (null === $boundaries) {
// next function search, as current one not found
continue 2;
}
list($functionName, $openParenthesis, $closeParenthesis) = $boundaries;
// analysing cursor shift
$currIndex = $openParenthesis;
// indicator that the function is overriden
if (1 !== $this->countArguments($tokens, $openParenthesis, $closeParenthesis)) {
continue;
}
// check if something complex passed as an argument and preserve parenthesises then
$countParamTokens = 0;
for ($paramContentIndex = $openParenthesis + 1; $paramContentIndex < $closeParenthesis; ++$paramContentIndex) {
//not a space, means some sensible token
if (!$tokens[$paramContentIndex]->isGivenKind(T_WHITESPACE)) {
++$countParamTokens;
}
}
$preserveParenthesises = $countParamTokens > 1;
// analyse namespace specification (root one or none) and decide what to do
$prevTokenIndex = $tokens->getPrevMeaningfulToken($functionName);
if ($tokens[$prevTokenIndex]->isGivenKind(T_NS_SEPARATOR)) {
// get rid of root namespace when it used
$tokens->removeTrailingWhitespace($prevTokenIndex);
$tokens[$prevTokenIndex]->clear();
}
// perform transformation
$replacementSequence = array(new Token($newToken), new Token(array(T_WHITESPACE, ' ')));
if (!$preserveParenthesises) {
// closing parenthesis removed with leading spaces
$tokens->removeLeadingWhitespace($closeParenthesis);
$tokens[$closeParenthesis]->clear();
// opening parenthesis removed with trailing spaces
$tokens->removeLeadingWhitespace($openParenthesis);
$tokens->removeTrailingWhitespace($openParenthesis);
$tokens[$openParenthesis]->clear();
} else {
// we'll need to provide a space after a casting operator
$tokens->removeTrailingWhitespace($functionName);
}
$tokens->overrideRange($functionName, $functionName, $replacementSequence);
// nested transformations support
$currIndex = $functionName;
}
}
}
