82 lines
2.3 KiB
PHP
82 lines
2.3 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* PHPCompatibility, an external standard for PHP_CodeSniffer.
|
||
|
|
*
|
||
|
|
* @package PHPCompatibility
|
||
|
|
* @copyright 2012-2019 PHPCompatibility Contributors
|
||
|
|
* @license https://opensource.org/licenses/LGPL-3.0 LGPL3
|
||
|
|
* @link https://github.com/PHPCompatibility/PHPCompatibility
|
||
|
|
*/
|
||
|
|
|
||
|
|
namespace PHPCompatibility\Sniffs\ControlStructures;
|
||
|
|
|
||
|
|
use PHPCompatibility\Sniff;
|
||
|
|
use PHP_CodeSniffer_File as File;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Switch statements can not have multiple default blocks since PHP 7.0.
|
||
|
|
*
|
||
|
|
* PHP version 7.0
|
||
|
|
*
|
||
|
|
* @link https://wiki.php.net/rfc/switch.default.multiple
|
||
|
|
* @link https://www.php.net/manual/en/control-structures.switch.php
|
||
|
|
*
|
||
|
|
* @since 7.0.0
|
||
|
|
*/
|
||
|
|
class ForbiddenSwitchWithMultipleDefaultBlocksSniff extends Sniff
|
||
|
|
{
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns an array of tokens this test wants to listen for.
|
||
|
|
*
|
||
|
|
* @since 7.0.0
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function register()
|
||
|
|
{
|
||
|
|
return array(\T_SWITCH);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Processes this test, when one of its tokens is encountered.
|
||
|
|
*
|
||
|
|
* @since 7.0.0
|
||
|
|
*
|
||
|
|
* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned.
|
||
|
|
* @param int $stackPtr The position of the current token
|
||
|
|
* in the stack passed in $tokens.
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function process(File $phpcsFile, $stackPtr)
|
||
|
|
{
|
||
|
|
if ($this->supportsAbove('7.0') === false) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$tokens = $phpcsFile->getTokens();
|
||
|
|
if (isset($tokens[$stackPtr]['scope_closer']) === false) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$defaultToken = $stackPtr;
|
||
|
|
$defaultCount = 0;
|
||
|
|
$targetLevel = $tokens[$stackPtr]['level'] + 1;
|
||
|
|
while ($defaultCount < 2 && ($defaultToken = $phpcsFile->findNext(array(\T_DEFAULT), $defaultToken + 1, $tokens[$stackPtr]['scope_closer'])) !== false) {
|
||
|
|
// Same level or one below (= two default cases after each other).
|
||
|
|
if ($tokens[$defaultToken]['level'] === $targetLevel || $tokens[$defaultToken]['level'] === ($targetLevel + 1)) {
|
||
|
|
$defaultCount++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($defaultCount > 1) {
|
||
|
|
$phpcsFile->addError(
|
||
|
|
'Switch statements can not have multiple default blocks since PHP 7.0',
|
||
|
|
$stackPtr,
|
||
|
|
'Found'
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|