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<?php
/**
* Squiz_Sniffs_Classes_ClassFileNameSniff.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @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);
}
/**
* Tests self member references.
*
* Verifies that :
* <ul>
* <li>self:: is used instead of Self::</li>
* <li>self:: is used for local static member reference</li>
* <li>self:: is used instead of self ::</li>
* </ul>
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
* @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 Squiz_Sniffs_Classes_SelfMemberReferenceSniff extends PHP_CodeSniffer_Standards_AbstractScopeSniff
{
/**
* Constructs a Squiz_Sniffs_Classes_SelfMemberReferenceSniff.
*/
public function __construct()
{
parent::__construct(array(T_CLASS), array(T_DOUBLE_COLON));
}//end __construct()
/**
* Processes the function tokens within the class.
*
* @param PHP_CodeSniffer_File $phpcsFile The file where this token was found.
* @param int $stackPtr The position where the token was found.
* @param int $currScope The current scope opener token.
*
* @return void
*/
protected function processTokenWithinScope(PHP_CodeSniffer_File $phpcsFile, $stackPtr, $currScope)
{
$tokens = $phpcsFile->getTokens();
$className = ($stackPtr - 1);
if ($tokens[$className]['code'] === T_SELF) {
if (strtolower($tokens[$className]['content']) !== $tokens[$className]['content']) {
$error = 'Must use "self::" for local static member reference; found "%s::"';
$data = array($tokens[$className]['content']);
$phpcsFile->addError($error, $className, 'IncorrectCase', $data);
return;
}
} else if ($tokens[$className]['code'] === T_STRING) {
// Make sure this is another class reference.
$declarationName = $phpcsFile->getDeclarationName($currScope);
if ($declarationName === $tokens[$className]['content']) {
// Class name is the same as the current class, which is not allowed
// except if being used inside a closure.
if ($phpcsFile->hasCondition($stackPtr, T_CLOSURE) === false) {
$error = 'Must use "self::" for local static member reference';
$phpcsFile->addError($error, $className, 'NotUsed');
return;
}
}
}
if ($tokens[($stackPtr - 1)]['code'] === T_WHITESPACE) {
$found = strlen($tokens[($stackPtr - 1)]['content']);
$error = 'Expected 0 spaces before double colon; %s found';
$data = array($found);
$phpcsFile->addError($error, $className, 'SpaceBefore', $data);
}
if ($tokens[($stackPtr + 1)]['code'] === T_WHITESPACE) {
$found = strlen($tokens[($stackPtr + 1)]['content']);
$error = 'Expected 0 spaces after double colon; %s found';
$data = array($found);
$phpcsFile->addError($error, $className, 'SpaceAfter', $data);
}
}//end processTokenWithinScope()
}//end class
?>
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