120 lines
3.4 KiB
PHP
120 lines
3.4 KiB
PHP
<?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 2023 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\FunctionDeclarations;
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use PHP_CodeSniffer\Files\File;
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use PHP_CodeSniffer\Sniffs\Sniff;
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use PHPCSUtils\Utils\FunctionDeclarations;
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use PHPCSUtils\Utils\ObjectDeclarations;
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use PHPCSUtils\Utils\Scopes;
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/**
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* Require non-abstract, non-private methods in traits to be declared as "final".
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*
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* @since 1.1.0
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*/
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final class RequireFinalMethodsInTraitsSniff 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 1.1.0
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*
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* @var string
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*/
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const METRIC_NAME = 'Non-private method in trait 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 1.1.0
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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_FUNCTION];
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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 1.1.0
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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, $stackPtr)
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{
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$tokens = $phpcsFile->getTokens();
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if (isset($tokens[$stackPtr]['parenthesis_opener']) === false) {
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// Parse error/live coding.
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return;
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}
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$scopePtr = Scopes::validDirectScope($phpcsFile, $stackPtr, \T_TRAIT);
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if ($scopePtr === false) {
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// Not a trait method.
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return;
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}
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$methodProps = FunctionDeclarations::getProperties($phpcsFile, $stackPtr);
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if ($methodProps['scope'] === 'private') {
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// Private methods can't be final.
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return;
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}
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if ($methodProps['is_final'] === true) {
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// Already final, nothing to do.
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$phpcsFile->recordMetric($stackPtr, self::METRIC_NAME, 'final');
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return;
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}
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if ($methodProps['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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$methodName = FunctionDeclarations::getName($phpcsFile, $stackPtr);
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$magic = '';
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$code = 'NonFinalMethodFound';
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if (FunctionDeclarations::isMagicMethodName($methodName) === true) {
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// Use separate error code for magic methods.
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$magic = 'magic ';
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$code = 'NonFinalMagicMethodFound';
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}
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$data = [
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$methodProps['scope'],
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$magic,
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$methodName,
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ObjectDeclarations::getName($phpcsFile, $scopePtr),
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];
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$fix = $phpcsFile->addFixableError(
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'The non-abstract, %s %smethod "%s()" in trait %s should be declared as final.',
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$stackPtr,
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$code,
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$data
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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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