173 lines
6.1 KiB
PHP
173 lines
6.1 KiB
PHP
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<?php
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/**
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* Processes single and multi-line arrays.
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*
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* @author Greg Sherwood <gsherwood@squiz.net>
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* @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
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* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
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*/
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namespace PHP_CodeSniffer\Sniffs;
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use PHP_CodeSniffer\Files\File;
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use PHP_CodeSniffer\Util\Tokens;
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abstract class AbstractArraySniff implements 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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* @return array
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*/
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final public function register()
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{
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return [
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T_ARRAY,
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T_OPEN_SHORT_ARRAY,
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];
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}//end register()
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/**
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* Processes this sniff, when one of its tokens is encountered.
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*
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* @param \PHP_CodeSniffer\Files\File $phpcsFile The current file being checked.
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* @param int $stackPtr The position of the current token in
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* 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 = $phpcsFile->getTokens();
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if ($tokens[$stackPtr]['code'] === T_ARRAY) {
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$phpcsFile->recordMetric($stackPtr, 'Short array syntax used', 'no');
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$arrayStart = $tokens[$stackPtr]['parenthesis_opener'];
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if (isset($tokens[$arrayStart]['parenthesis_closer']) === false) {
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// Incomplete array.
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return;
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}
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$arrayEnd = $tokens[$arrayStart]['parenthesis_closer'];
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} else {
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$phpcsFile->recordMetric($stackPtr, 'Short array syntax used', 'yes');
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$arrayStart = $stackPtr;
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$arrayEnd = $tokens[$stackPtr]['bracket_closer'];
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}
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$lastContent = $phpcsFile->findPrevious(Tokens::$emptyTokens, ($arrayEnd - 1), null, true);
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if ($tokens[$lastContent]['code'] === T_COMMA) {
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// Last array item ends with a comma.
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$phpcsFile->recordMetric($stackPtr, 'Array end comma', 'yes');
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} else {
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$phpcsFile->recordMetric($stackPtr, 'Array end comma', 'no');
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}
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$indices = [];
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$current = $arrayStart;
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while (($next = $phpcsFile->findNext(Tokens::$emptyTokens, ($current + 1), $arrayEnd, true)) !== false) {
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$end = $this->getNext($phpcsFile, $next, $arrayEnd);
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if ($tokens[$end]['code'] === T_DOUBLE_ARROW) {
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$indexEnd = $phpcsFile->findPrevious(T_WHITESPACE, ($end - 1), null, true);
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$valueStart = $phpcsFile->findNext(Tokens::$emptyTokens, ($end + 1), null, true);
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$indices[] = [
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'index_start' => $next,
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'index_end' => $indexEnd,
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'arrow' => $end,
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'value_start' => $valueStart,
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];
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} else {
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$valueStart = $next;
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$indices[] = ['value_start' => $valueStart];
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}
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$current = $this->getNext($phpcsFile, $valueStart, $arrayEnd);
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}
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if ($tokens[$arrayStart]['line'] === $tokens[$arrayEnd]['line']) {
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$this->processSingleLineArray($phpcsFile, $stackPtr, $arrayStart, $arrayEnd, $indices);
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} else {
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$this->processMultiLineArray($phpcsFile, $stackPtr, $arrayStart, $arrayEnd, $indices);
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}
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}//end process()
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/**
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* Find next separator in array - either: comma or double arrow.
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*
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* @param File $phpcsFile The current file being checked.
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* @param int $ptr The position of current token.
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* @param int $arrayEnd The token that ends the array definition.
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*
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* @return int
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*/
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private function getNext(File $phpcsFile, $ptr, $arrayEnd)
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{
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$tokens = $phpcsFile->getTokens();
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while ($ptr < $arrayEnd) {
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if (isset($tokens[$ptr]['scope_closer']) === true) {
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$ptr = $tokens[$ptr]['scope_closer'];
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} else if (isset($tokens[$ptr]['parenthesis_closer']) === true) {
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$ptr = $tokens[$ptr]['parenthesis_closer'];
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} else if (isset($tokens[$ptr]['bracket_closer']) === true) {
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$ptr = $tokens[$ptr]['bracket_closer'];
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}
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if ($tokens[$ptr]['code'] === T_COMMA
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|| $tokens[$ptr]['code'] === T_DOUBLE_ARROW
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) {
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return $ptr;
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}
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++$ptr;
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}
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return $ptr;
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}//end getNext()
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/**
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* Processes a single-line array definition.
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*
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* @param \PHP_CodeSniffer\Files\File $phpcsFile The current file being checked.
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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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* @param int $arrayStart The token that starts the array definition.
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* @param int $arrayEnd The token that ends the array definition.
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* @param array $indices An array of token positions for the array keys,
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* double arrows, and values.
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*
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* @return void
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*/
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abstract protected function processSingleLineArray($phpcsFile, $stackPtr, $arrayStart, $arrayEnd, $indices);
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/**
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* Processes a multi-line array definition.
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*
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* @param \PHP_CodeSniffer\Files\File $phpcsFile The current file being checked.
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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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* @param int $arrayStart The token that starts the array definition.
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* @param int $arrayEnd The token that ends the array definition.
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* @param array $indices An array of token positions for the array keys,
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* double arrows, and values.
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*
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* @return void
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*/
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abstract protected function processMultiLineArray($phpcsFile, $stackPtr, $arrayStart, $arrayEnd, $indices);
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}//end class
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