103 lines
2.9 KiB
PHP
103 lines
2.9 KiB
PHP
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<?php
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/**
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* PHPCSExtra, a collection of sniffs and standards for use with PHP_CodeSniffer.
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*
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* @package PHPCSExtra
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* @copyright 2020 PHPCSExtra Contributors
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* @license https://opensource.org/licenses/LGPL-3.0 LGPL3
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* @link https://github.com/PHPCSStandards/PHPCSExtra
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*/
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namespace PHPCSExtra\Universal\Sniffs\Classes;
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use PHP_CodeSniffer\Files\File;
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use PHP_CodeSniffer\Sniffs\Sniff;
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use PHP_CodeSniffer\Util\Tokens;
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use PHPCSUtils\Utils\GetTokensAsString;
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use PHPCSUtils\Utils\ObjectDeclarations;
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/**
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* Require classes being declared as "final".
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*
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* @since 1.0.0
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*/
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final class RequireFinalClassSniff implements Sniff
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{
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/**
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* Name of the metric.
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*
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* @since 1.0.0
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*
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* @var string
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*/
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const METRIC_NAME = 'Class is abstract or final ?';
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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 1.0.0
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*
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* @return array<int|string>
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*/
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public function register()
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{
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return [\T_CLASS];
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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 1.0.0
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*
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* @param \PHP_CodeSniffer\Files\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, $stackPtr)
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{
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$classProp = ObjectDeclarations::getClassProperties($phpcsFile, $stackPtr);
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if ($classProp['is_final'] === true) {
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$phpcsFile->recordMetric($stackPtr, self::METRIC_NAME, 'final');
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return;
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}
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if ($classProp['is_abstract'] === true) {
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// Abstract classes can't be final.
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$phpcsFile->recordMetric($stackPtr, self::METRIC_NAME, 'abstract');
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return;
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}
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$phpcsFile->recordMetric($stackPtr, self::METRIC_NAME, 'not abstract, not final');
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$nextNonEmpty = $phpcsFile->findNext(Tokens::$emptyTokens, ($stackPtr + 1), null, true);
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if ($nextNonEmpty === false) {
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// Live coding or parse error.
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return;
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}
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$snippetEnd = $nextNonEmpty;
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$classCloser = '';
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$tokens = $phpcsFile->getTokens();
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if (isset($tokens[$stackPtr]['scope_opener']) === true) {
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$snippetEnd = $tokens[$stackPtr]['scope_opener'];
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$classCloser = '}';
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}
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$snippet = GetTokensAsString::compact($phpcsFile, $stackPtr, $snippetEnd, true);
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$fix = $phpcsFile->addFixableError(
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'A non-abstract class should be declared as final. Found: %s%s',
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$stackPtr,
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'NonFinalClassFound',
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[$snippet, $classCloser]
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);
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if ($fix === true) {
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$phpcsFile->fixer->addContentBefore($stackPtr, 'final ');
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}
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}
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}
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