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aurelien |
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<?php
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/**
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* Generic_Sniffs_NamingConventions_ConstructorNameSniff.
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*
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* PHP version 5
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*
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* @category PHP
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* @package PHP_CodeSniffer
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* @author Greg Sherwood <gsherwood@squiz.net>
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* @author Leif Wickland <lwickland@rightnow.com>
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* @copyright 2006 Squiz Pty Ltd (ABN 77 084 670 600)
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* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
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* @version CVS: $Id: ConstructorNameSniff.php,v 1.2 2009/02/24 04:43:44 squiz Exp $
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* @link http://pear.php.net/package/PHP_CodeSniffer
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*/
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if (class_exists('PHP_CodeSniffer_Standards_AbstractScopeSniff', true) === false) {
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$error = 'Class PHP_CodeSniffer_Standards_AbstractScopeSniff not found';
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throw new PHP_CodeSniffer_Exception($error);
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}
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/**
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* Generic_Sniffs_NamingConventions_ConstructorNameSniff.
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*
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* Favor PHP 5 constructor syntax, which uses "function __construct()".
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* Avoid PHP 4 constructor syntax, which uses "function ClassName()".
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*
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* @category PHP
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* @package PHP_CodeSniffer
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* @author Leif Wickland <lwickland@rightnow.com>
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* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
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* @version Release: 1.2.0RC1
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* @link http://pear.php.net/package/PHP_CodeSniffer
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*/
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class Generic_Sniffs_NamingConventions_ConstructorNameSniff extends PHP_CodeSniffer_Standards_AbstractScopeSniff
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{
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/**
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* Constructs the test with the tokens it wishes to listen for.
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*
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* @return void
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*/
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public function __construct()
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{
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parent::__construct(array(T_CLASS, T_INTERFACE), array(T_FUNCTION), true);
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}//end __construct()
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/**
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* Processes this test when one of its tokens is encountered.
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*
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* @param PHP_CodeSniffer_File $phpcsFile The current file being scanned.
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* @param int $stackPtr The position of the current token
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* in the stack passed in $tokens.
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* @param int $currScope A pointer to the start of the scope.
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*
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* @return void
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*/
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protected function processTokenWithinScope(
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PHP_CodeSniffer_File $phpcsFile,
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$stackPtr,
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$currScope
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) {
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$className = $phpcsFile->getDeclarationName($currScope);
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$methodName = $phpcsFile->getDeclarationName($stackPtr);
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if (strcasecmp($methodName, $className) === 0) {
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$error = 'PHP4 style constructors are not allowed; use "__construct()" instead';
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$phpcsFile->addError($error, $stackPtr);
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} else if (strcasecmp($methodName, '__construct') !== 0) {
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// Not a constructor.
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return;
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}
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$tokens = $phpcsFile->getTokens();
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$parentClassName = $phpcsFile->findExtendedClassName($currScope);
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if ($parentClassName === false) {
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return;
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}
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$endFunctionIndex = $tokens[$stackPtr]['scope_closer'];
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$startIndex = $stackPtr;
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while ($doubleColonIndex = $phpcsFile->findNext(array(T_DOUBLE_COLON), $startIndex, $endFunctionIndex)) {
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if ($tokens[($doubleColonIndex + 1)]['code'] === T_STRING
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&& $tokens[($doubleColonIndex + 1)]['content'] === $parentClassName
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) {
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$error = 'PHP4 style calls to parent constructors are not allowed; use "parent::__construct()" instead';
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$phpcsFile->addError($error, ($doubleColonIndex + 1));
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}
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$startIndex = ($doubleColonIndex + 1);
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}
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}//end processTokenWithinScope()
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}//end class
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?>
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