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<?php
/**
* Generic_Sniffs_Functions_OpeningFunctionBraceKernighanRitchieSniff.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @copyright 2006 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @version CVS: $Id: OpeningFunctionBraceKernighanRitchieSniff.php,v 1.5 2008/05/05 03:59:12 squiz Exp $
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
/**
* Generic_Sniffs_Functions_OpeningFunctionBraceKernighanRitchieSniff.
*
* Checks that the opening brace of a function is on the same line
* as the function declaration.
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @copyright 2006 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @version Release: 1.2.0RC1
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class Generic_Sniffs_Functions_OpeningFunctionBraceKernighanRitchieSniff implements PHP_CodeSniffer_Sniff
{
/**
* Registers the tokens that this sniff wants to listen for.
*
* @return void
*/
public function register()
{
return array(T_FUNCTION);
}//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) {
return;
}
$openingBrace = $tokens[$stackPtr]['scope_opener'];
// The end of the function occurs at the end of the argument list. Its
// like this because some people like to break long function declarations
// over multiple lines.
$functionLine = $tokens[$tokens[$stackPtr]['parenthesis_closer']]['line'];
$braceLine = $tokens[$openingBrace]['line'];
$lineDifference = ($braceLine - $functionLine);
if ($lineDifference > 0) {
$error = 'Opening brace should be on the same line as the declaration';
$phpcsFile->addError($error, $openingBrace);
return;
}
// Checks that the closing parenthesis and the opening brace are
// separated by a whitespace character.
$closerColumn = $tokens[$tokens[$stackPtr]['parenthesis_closer']]['column'];
$braceColumn = $tokens[$openingBrace]['column'];
$columnDifference = ($braceColumn - $closerColumn);
if ($columnDifference !== 2) {
$error = 'Expected 1 space between the closing parenthesis and the opening brace; found '.($columnDifference - 1).'.';
$phpcsFile->addError($error, $openingBrace);
return;
}
// Check that a tab was not used instead of a space.
$spaceTokenPtr = ($tokens[$stackPtr]['parenthesis_closer'] + 1);
$spaceContent = $tokens[$spaceTokenPtr]['content'];
if ($spaceContent !== ' ') {
$error = 'Expected a single space character between closing parenthesis and opening brace; found "'.$spaceContent.'".';
$phpcsFile->addError($error, $openingBrace);
return;
}
}//end process()
}//end class
?>