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