85 lines
2.2 KiB
PHP
85 lines
2.2 KiB
PHP
<?php declare(strict_types = 1);
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namespace SlevomatCodingStandard\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 SlevomatCodingStandard\Helpers\FixerHelper;
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use SlevomatCodingStandard\Helpers\TokenHelper;
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use function preg_match;
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use const T_CONSTANT_ENCAPSED_STRING;
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use const T_OBJECT_OPERATOR;
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use const T_OPEN_CURLY_BRACKET;
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use const T_OPEN_PARENTHESIS;
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class DisallowStringExpressionPropertyFetchSniff implements Sniff
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{
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public const CODE_DISALLOWED_STRING_EXPRESSION_PROPERTY_FETCH = 'DisallowedStringExpressionPropertyFetch';
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/**
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* @return array<int, (int|string)>
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*/
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public function register(): array
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{
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return [T_OBJECT_OPERATOR];
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}
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/**
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* @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
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* @param int $objectOperatorPointer
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*/
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public function process(File $phpcsFile, $objectOperatorPointer): void
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{
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$tokens = $phpcsFile->getTokens();
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$curlyBracketOpenerPointer = TokenHelper::findNextEffective($phpcsFile, $objectOperatorPointer + 1);
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if ($tokens[$curlyBracketOpenerPointer]['code'] !== T_OPEN_CURLY_BRACKET) {
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return;
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}
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$curlyBracketCloserPointer = $tokens[$curlyBracketOpenerPointer]['bracket_closer'];
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if (TokenHelper::findNextExcluding(
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$phpcsFile,
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T_CONSTANT_ENCAPSED_STRING,
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$curlyBracketOpenerPointer + 1,
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$curlyBracketCloserPointer
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) !== null) {
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return;
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}
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$pointerAfterCurlyBracketCloser = TokenHelper::findNextEffective($phpcsFile, $curlyBracketCloserPointer + 1);
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if ($tokens[$pointerAfterCurlyBracketCloser]['code'] === T_OPEN_PARENTHESIS) {
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return;
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}
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if (preg_match(
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'~^(["\'])([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\1$~',
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$tokens[$curlyBracketOpenerPointer + 1]['content'],
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$matches
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) !== 1) {
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return;
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}
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$fix = $phpcsFile->addFixableError(
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'String expression property fetch is disallowed, use identifier property fetch.',
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$curlyBracketOpenerPointer,
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self::CODE_DISALLOWED_STRING_EXPRESSION_PROPERTY_FETCH
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);
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if (!$fix) {
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return;
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}
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$phpcsFile->fixer->beginChangeset();
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FixerHelper::change($phpcsFile, $curlyBracketOpenerPointer, $curlyBracketCloserPointer, $matches[2]);
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$phpcsFile->fixer->endChangeset();
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}
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}
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