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<?php
/**
* Generic_Sniffs_Formatting_DisallowMultipleStatementsSniff.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2014 Squiz Pty Ltd (ABN 77 084 670 600)
* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
/**
* Generic_Sniffs_Formatting_DisallowMultipleStatementsSniff.
*
* Ensures each statement is on a line by itself.
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2014 Squiz Pty Ltd (ABN 77 084 670 600)
* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
* @version Release: 2.7.1
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class Generic_Sniffs_Formatting_DisallowMultipleStatementsSniff implements PHP_CodeSniffer_Sniff
{
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return array(T_SEMICOLON);
}//end register()
/**
* Processes this test, when one of its tokens is encountered.
*
* @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
* @param int $stackPtr The position of the current token in
* the stack passed in $tokens.
*
* @return void
*/
public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
{
$tokens = $phpcsFile->getTokens();
$prev = $phpcsFile->findPrevious(array(T_SEMICOLON, T_OPEN_TAG, T_OPEN_TAG_WITH_ECHO), ($stackPtr - 1));
if ($prev === false
|| $tokens[$prev]['code'] === T_OPEN_TAG
|| $tokens[$prev]['code'] === T_OPEN_TAG_WITH_ECHO
) {
$phpcsFile->recordMetric($stackPtr, 'Multiple statements on same line', 'no');
return;
}
// Ignore multiple statements in a FOR condition.
if (isset($tokens[$stackPtr]['nested_parenthesis']) === true) {
foreach ($tokens[$stackPtr]['nested_parenthesis'] as $bracket) {
if (isset($tokens[$bracket]['parenthesis_owner']) === false) {
// Probably a closure sitting inside a function call.
continue;
}
$owner = $tokens[$bracket]['parenthesis_owner'];
if ($tokens[$owner]['code'] === T_FOR) {
return;
}
}
}
if ($tokens[$prev]['line'] === $tokens[$stackPtr]['line']) {
$phpcsFile->recordMetric($stackPtr, 'Multiple statements on same line', 'yes');
$error = 'Each PHP statement must be on a line by itself';
$fix = $phpcsFile->addFixableError($error, $stackPtr, 'SameLine');
if ($fix === true) {
$phpcsFile->fixer->beginChangeset();
$phpcsFile->fixer->addNewline($prev);
if ($tokens[($prev + 1)]['code'] === T_WHITESPACE) {
$phpcsFile->fixer->replaceToken(($prev + 1), '');
}
$phpcsFile->fixer->endChangeset();
}
} else {
$phpcsFile->recordMetric($stackPtr, 'Multiple statements on same line', 'no');
}
}//end process()
}//end class
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