File "FunctionDeclarationArgumentSpacingSniff.php"
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<?php
/**
* Checks that arguments in function declarations are spaced correctly.
*
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
*/
namespace PHP_CodeSniffer\Standards\Squiz\Sniffs\Functions;
use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Util\Tokens;
class FunctionDeclarationArgumentSpacingSniff implements Sniff
{
/**
* How many spaces should surround the equals signs.
*
* @var integer
*/
public $equalsSpacing = 0;
/**
* How many spaces should follow the opening bracket.
*
* @var integer
*/
public $requiredSpacesAfterOpen = 0;
/**
* How many spaces should precede the closing bracket.
*
* @var integer
*/
public $requiredSpacesBeforeClose = 0;
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return [
T_FUNCTION,
T_CLOSURE,
T_FN,
];
}//end register()
/**
* Processes this test, when one of its tokens is encountered.
*
* @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
* @param int $stackPtr The position of the current token
* in the stack.
*
* @return void
*/
public function process(File $phpcsFile, $stackPtr)
{
$tokens = $phpcsFile->getTokens();
if (isset($tokens[$stackPtr]['parenthesis_opener']) === false
|| isset($tokens[$stackPtr]['parenthesis_closer']) === false
|| $tokens[$stackPtr]['parenthesis_opener'] === null
|| $tokens[$stackPtr]['parenthesis_closer'] === null
) {
return;
}
$this->equalsSpacing = (int) $this->equalsSpacing;
$this->requiredSpacesAfterOpen = (int) $this->requiredSpacesAfterOpen;
$this->requiredSpacesBeforeClose = (int) $this->requiredSpacesBeforeClose;
$this->processBracket($phpcsFile, $tokens[$stackPtr]['parenthesis_opener']);
if ($tokens[$stackPtr]['code'] === T_CLOSURE) {
$use = $phpcsFile->findNext(T_USE, ($tokens[$stackPtr]['parenthesis_closer'] + 1), $tokens[$stackPtr]['scope_opener']);
if ($use !== false) {
$openBracket = $phpcsFile->findNext(T_OPEN_PARENTHESIS, ($use + 1), null);
$this->processBracket($phpcsFile, $openBracket);
}
}
}//end process()
/**
* Processes the contents of a single set of brackets.
*
* @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
* @param int $openBracket The position of the open bracket
* in the stack.
*
* @return void
*/
public function processBracket($phpcsFile, $openBracket)
{
$tokens = $phpcsFile->getTokens();
$closeBracket = $tokens[$openBracket]['parenthesis_closer'];
$multiLine = ($tokens[$openBracket]['line'] !== $tokens[$closeBracket]['line']);
if (isset($tokens[$openBracket]['parenthesis_owner']) === true) {
$stackPtr = $tokens[$openBracket]['parenthesis_owner'];
} else {
$stackPtr = $phpcsFile->findPrevious(T_USE, ($openBracket - 1));
}
$params = $phpcsFile->getMethodParameters($stackPtr);
if (empty($params) === true) {
// Check spacing around parenthesis.
$next = $phpcsFile->findNext(T_WHITESPACE, ($openBracket + 1), $closeBracket, true);
if ($next === false) {
if (($closeBracket - $openBracket) !== 1) {
if ($tokens[$openBracket]['line'] !== $tokens[$closeBracket]['line']) {
$found = 'newline';
} else {
$found = $tokens[($openBracket + 1)]['length'];
}
$error = 'Expected 0 spaces between parenthesis of function declaration; %s found';
$data = [$found];
$fix = $phpcsFile->addFixableError($error, $openBracket, 'SpacingBetween', $data);
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($openBracket + 1), '');
}
}
// No params, so we don't check normal spacing rules.
return;
}
}//end if
foreach ($params as $paramNumber => $param) {
if ($param['pass_by_reference'] === true) {
$refToken = $param['reference_token'];
$gap = 0;
if ($tokens[($refToken + 1)]['code'] === T_WHITESPACE) {
$gap = $tokens[($refToken + 1)]['length'];
}
if ($gap !== 0) {
$error = 'Expected 0 spaces after reference operator for argument "%s"; %s found';
$data = [
$param['name'],
$gap,
];
$fix = $phpcsFile->addFixableError($error, $refToken, 'SpacingAfterReference', $data);
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($refToken + 1), '');
}
}
}//end if
if ($param['variable_length'] === true) {
$variadicToken = $param['variadic_token'];
$gap = 0;
if ($tokens[($variadicToken + 1)]['code'] === T_WHITESPACE) {
$gap = $tokens[($variadicToken + 1)]['length'];
}
if ($gap !== 0) {
$error = 'Expected 0 spaces after variadic operator for argument "%s"; %s found';
$data = [
$param['name'],
$gap,
];
$fix = $phpcsFile->addFixableError($error, $variadicToken, 'SpacingAfterVariadic', $data);
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($variadicToken + 1), '');
}
}
}//end if
if (isset($param['default_equal_token']) === true) {
$equalToken = $param['default_equal_token'];
$spacesBefore = 0;
if (($equalToken - $param['token']) > 1) {
$spacesBefore = $tokens[($param['token'] + 1)]['length'];
}
if ($spacesBefore !== $this->equalsSpacing) {
$error = 'Incorrect spacing between argument "%s" and equals sign; expected '.$this->equalsSpacing.' but found %s';
$data = [
$param['name'],
$spacesBefore,
];
$fix = $phpcsFile->addFixableError($error, $equalToken, 'SpaceBeforeEquals', $data);
if ($fix === true) {
$padding = str_repeat(' ', $this->equalsSpacing);
if ($spacesBefore === 0) {
$phpcsFile->fixer->addContentBefore($equalToken, $padding);
} else {
$phpcsFile->fixer->replaceToken(($equalToken - 1), $padding);
}
}
}//end if
$spacesAfter = 0;
if ($tokens[($equalToken + 1)]['code'] === T_WHITESPACE) {
$spacesAfter = $tokens[($equalToken + 1)]['length'];
}
if ($spacesAfter !== $this->equalsSpacing) {
$error = 'Incorrect spacing between default value and equals sign for argument "%s"; expected '.$this->equalsSpacing.' but found %s';
$data = [
$param['name'],
$spacesAfter,
];
$fix = $phpcsFile->addFixableError($error, $equalToken, 'SpaceAfterEquals', $data);
if ($fix === true) {
$padding = str_repeat(' ', $this->equalsSpacing);
if ($spacesAfter === 0) {
$phpcsFile->fixer->addContent($equalToken, $padding);
} else {
$phpcsFile->fixer->replaceToken(($equalToken + 1), $padding);
}
}
}//end if
}//end if
if ($param['type_hint_token'] !== false) {
$typeHintToken = $param['type_hint_end_token'];
$gap = 0;
if ($tokens[($typeHintToken + 1)]['code'] === T_WHITESPACE) {
$gap = $tokens[($typeHintToken + 1)]['length'];
}
if ($gap !== 1) {
$error = 'Expected 1 space between type hint and argument "%s"; %s found';
$data = [
$param['name'],
$gap,
];
$fix = $phpcsFile->addFixableError($error, $typeHintToken, 'SpacingAfterHint', $data);
if ($fix === true) {
if ($gap === 0) {
$phpcsFile->fixer->addContent($typeHintToken, ' ');
} else {
$phpcsFile->fixer->replaceToken(($typeHintToken + 1), ' ');
}
}
}
}//end if
$commaToken = false;
if ($paramNumber > 0 && $params[($paramNumber - 1)]['comma_token'] !== false) {
$commaToken = $params[($paramNumber - 1)]['comma_token'];
}
if ($commaToken !== false) {
if ($tokens[($commaToken - 1)]['code'] === T_WHITESPACE) {
$error = 'Expected 0 spaces between argument "%s" and comma; %s found';
$data = [
$params[($paramNumber - 1)]['name'],
$tokens[($commaToken - 1)]['length'],
];
$fix = $phpcsFile->addFixableError($error, $commaToken, 'SpaceBeforeComma', $data);
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($commaToken - 1), '');
}
}
// Don't check spacing after the comma if it is the last content on the line.
$checkComma = true;
if ($multiLine === true) {
$next = $phpcsFile->findNext(Tokens::$emptyTokens, ($commaToken + 1), $closeBracket, true);
if ($tokens[$next]['line'] !== $tokens[$commaToken]['line']) {
$checkComma = false;
}
}
if ($checkComma === true) {
if ($param['type_hint_token'] === false) {
$spacesAfter = 0;
if ($tokens[($commaToken + 1)]['code'] === T_WHITESPACE) {
$spacesAfter = $tokens[($commaToken + 1)]['length'];
}
if ($spacesAfter === 0) {
$error = 'Expected 1 space between comma and argument "%s"; 0 found';
$data = [$param['name']];
$fix = $phpcsFile->addFixableError($error, $commaToken, 'NoSpaceBeforeArg', $data);
if ($fix === true) {
$phpcsFile->fixer->addContent($commaToken, ' ');
}
} else if ($spacesAfter !== 1) {
$error = 'Expected 1 space between comma and argument "%s"; %s found';
$data = [
$param['name'],
$spacesAfter,
];
$fix = $phpcsFile->addFixableError($error, $commaToken, 'SpacingBeforeArg', $data);
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($commaToken + 1), ' ');
}
}//end if
} else {
$hint = $phpcsFile->getTokensAsString($param['type_hint_token'], (($param['type_hint_end_token'] - $param['type_hint_token']) + 1));
if ($param['nullable_type'] === true) {
$hint = '?'.$hint;
}
if ($tokens[($commaToken + 1)]['code'] !== T_WHITESPACE) {
$error = 'Expected 1 space between comma and type hint "%s"; 0 found';
$data = [$hint];
$fix = $phpcsFile->addFixableError($error, $commaToken, 'NoSpaceBeforeHint', $data);
if ($fix === true) {
$phpcsFile->fixer->addContent($commaToken, ' ');
}
} else {
$gap = $tokens[($commaToken + 1)]['length'];
if ($gap !== 1) {
$error = 'Expected 1 space between comma and type hint "%s"; %s found';
$data = [
$hint,
$gap,
];
$fix = $phpcsFile->addFixableError($error, $commaToken, 'SpacingBeforeHint', $data);
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($commaToken + 1), ' ');
}
}
}//end if
}//end if
}//end if
}//end if
}//end foreach
// Only check spacing around parenthesis for single line definitions.
if ($multiLine === true) {
return;
}
$gap = 0;
if ($tokens[($closeBracket - 1)]['code'] === T_WHITESPACE) {
$gap = $tokens[($closeBracket - 1)]['length'];
}
if ($gap !== $this->requiredSpacesBeforeClose) {
$error = 'Expected %s spaces before closing parenthesis; %s found';
$data = [
$this->requiredSpacesBeforeClose,
$gap,
];
$fix = $phpcsFile->addFixableError($error, $closeBracket, 'SpacingBeforeClose', $data);
if ($fix === true) {
$padding = str_repeat(' ', $this->requiredSpacesBeforeClose);
if ($gap === 0) {
$phpcsFile->fixer->addContentBefore($closeBracket, $padding);
} else {
$phpcsFile->fixer->replaceToken(($closeBracket - 1), $padding);
}
}
}
$gap = 0;
if ($tokens[($openBracket + 1)]['code'] === T_WHITESPACE) {
$gap = $tokens[($openBracket + 1)]['length'];
}
if ($gap !== $this->requiredSpacesAfterOpen) {
$error = 'Expected %s spaces after opening parenthesis; %s found';
$data = [
$this->requiredSpacesAfterOpen,
$gap,
];
$fix = $phpcsFile->addFixableError($error, $openBracket, 'SpacingAfterOpen', $data);
if ($fix === true) {
$padding = str_repeat(' ', $this->requiredSpacesAfterOpen);
if ($gap === 0) {
$phpcsFile->fixer->addContent($openBracket, $padding);
} else {
$phpcsFile->fixer->replaceToken(($openBracket + 1), $padding);
}
}
}
}//end processBracket()
}//end class