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<?php
/**
* Generic_Sniffs_NamingConventions_ConstructorNameSniff.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Leif Wickland <lwickland@rightnow.com>
* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
if (class_exists('PHP_CodeSniffer_Standards_AbstractScopeSniff', true) === false) {
$error = 'Class PHP_CodeSniffer_Standards_AbstractScopeSniff not found';
throw new PHP_CodeSniffer_Exception($error);
}
/**
* Generic_Sniffs_NamingConventions_ConstructorNameSniff.
*
* Favor PHP 5 constructor syntax, which uses "function __construct()".
* Avoid PHP 4 constructor syntax, which uses "function ClassName()".
*
* @category PHP
* @package PHP_CodeSniffer
* @author Leif Wickland <lwickland@rightnow.com>
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @version Release: 1.3.3
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class Generic_Sniffs_NamingConventions_ConstructorNameSniff extends PHP_CodeSniffer_Standards_AbstractScopeSniff
{
/**
* Constructs the test with the tokens it wishes to listen for.
*
* @return void
*/
public function __construct()
{
parent::__construct(array(T_CLASS, T_INTERFACE), array(T_FUNCTION), true);
}//end __construct()
/**
* Processes this test when one of its tokens is encountered.
*
* @param PHP_CodeSniffer_File $phpcsFile The current file being scanned.
* @param int $stackPtr The position of the current token
* in the stack passed in $tokens.
* @param int $currScope A pointer to the start of the scope.
*
* @return void
*/
protected function processTokenWithinScope(
PHP_CodeSniffer_File $phpcsFile,
$stackPtr,
$currScope
) {
$className = $phpcsFile->getDeclarationName($currScope);
$methodName = $phpcsFile->getDeclarationName($stackPtr);
if (strcasecmp($methodName, $className) === 0) {
$error = 'PHP4 style constructors are not allowed; use "__construct()" instead';
$phpcsFile->addError($error, $stackPtr, 'OldStyle');
} else if (strcasecmp($methodName, '__construct') !== 0) {
// Not a constructor.
return;
}
$tokens = $phpcsFile->getTokens();
$parentClassName = $phpcsFile->findExtendedClassName($currScope);
if ($parentClassName === false) {
return;
}
$endFunctionIndex = $tokens[$stackPtr]['scope_closer'];
$startIndex = $stackPtr;
while ($doubleColonIndex = $phpcsFile->findNext(array(T_DOUBLE_COLON), $startIndex, $endFunctionIndex)) {
if ($tokens[($doubleColonIndex + 1)]['code'] === T_STRING
&& $tokens[($doubleColonIndex + 1)]['content'] === $parentClassName
) {
$error = 'PHP4 style calls to parent constructors are not allowed; use "parent::__construct()" instead';
$phpcsFile->addError($error, ($doubleColonIndex + 1), 'OldStyleCall');
}
$startIndex = ($doubleColonIndex + 1);
}
}//end processTokenWithinScope()
}//end class
?>
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