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<?php
/**
* Generic_Sniffs_ControlStructures_InlineControlStructureSniff.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
/**
* Generic_Sniffs_ControlStructures_InlineControlStructureSniff.
*
* Verifies that inline control statements are not present.
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @version Release: 1.3.3
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class Generic_Sniffs_ControlStructures_InlineControlStructureSniff implements PHP_CodeSniffer_Sniff
{
/**
* A list of tokenizers this sniff supports.
*
* @var array
*/
public $supportedTokenizers = array(
'PHP',
'JS',
);
/**
* If true, an error will be thrown; otherwise a warning.
*
* @var bool
*/
public $error = true;
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return array(
T_IF,
T_ELSE,
T_FOREACH,
T_WHILE,
T_DO,
T_SWITCH,
T_FOR,
);
}//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 = $phpcsFile->getTokens();
if (isset($tokens[$stackPtr]['scope_opener']) === false) {
// Ignore the ELSE in ELSE IF. We'll process the IF part later.
if (($tokens[$stackPtr]['code'] === T_ELSE) && ($tokens[($stackPtr + 2)]['code'] === T_IF)) {
return;
}
if ($tokens[$stackPtr]['code'] === T_WHILE) {
// This could be from a DO WHILE, which doesn't have an opening brace.
$lastContent = $phpcsFile->findPrevious(T_WHITESPACE, ($stackPtr - 1), null, true);
if ($tokens[$lastContent]['code'] === T_CLOSE_CURLY_BRACKET) {
$brace = $tokens[$lastContent];
if (isset($brace['scope_condition']) === true) {
$condition = $tokens[$brace['scope_condition']];
if ($condition['code'] === T_DO) {
return;
}
}
}
}
// This is a control structure without an opening brace,
// so it is an inline statement.
if ($this->error === true) {
$phpcsFile->addError('Inline control structures are not allowed', $stackPtr, 'NotAllowed');
} else {
$phpcsFile->addWarning('Inline control structures are discouraged', $stackPtr, 'Discouraged');
}
return;
}//end if
}//end process()
}//end class
?>
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