File "DeclareStatementSniff.php"
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Charset: utf-8
<?php
/**
* Checks the format of the declare statements.
*
* @author Sertan Danis <sdanis@squiz.net>
* @copyright 2006-2019 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\PSR12\Sniffs\Files;
use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Util\Tokens;
class DeclareStatementSniff implements Sniff
{
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return [T_DECLARE];
}//end register()
/**
* Processes this sniff, 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 passed in $tokens.
*
* @return void
*/
public function process(File $phpcsFile, $stackPtr)
{
// Allow a byte-order mark.
$tokens = $phpcsFile->getTokens();
// There should be no space between declare keyword and opening parenthesis.
$parenthesis = ($stackPtr + 1);
if ($tokens[($stackPtr + 1)]['type'] !== 'T_OPEN_PARENTHESIS') {
$parenthesis = $phpcsFile->findNext(T_WHITESPACE, ($stackPtr + 1), null, true);
$error = 'Expected no space between declare keyword and opening parenthesis in a declare statement';
if ($tokens[$parenthesis]['type'] === 'T_OPEN_PARENTHESIS') {
$fix = $phpcsFile->addFixableError($error, $stackPtr, 'SpaceFoundAfterDeclare');
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($stackPtr + 1), '');
}
} else {
$phpcsFile->addError($error, $parenthesis, 'SpaceFoundAfterDeclare');
$parenthesis = $phpcsFile->findNext(T_OPEN_PARENTHESIS, ($parenthesis + 1));
}
}
// There should be no space between open parenthesis and the directive.
$string = $phpcsFile->findNext(T_WHITESPACE, ($parenthesis + 1), null, true);
if ($parenthesis !== false) {
if ($tokens[($parenthesis + 1)]['type'] !== 'T_STRING') {
$error = 'Expected no space between opening parenthesis and directive in a declare statement';
if ($tokens[$string]['type'] === 'T_STRING') {
$fix = $phpcsFile->addFixableError($error, $parenthesis, 'SpaceFoundBeforeDirective');
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($parenthesis + 1), '');
}
} else {
$phpcsFile->addError($error, $string, 'SpaceFoundBeforeDirective');
$string = $phpcsFile->findNext(T_STRING, ($string + 1));
}
}
}
// There should be no space between directive and the equal sign.
$equals = $phpcsFile->findNext(T_WHITESPACE, ($string + 1), null, true);
if ($string !== false) {
// The directive must be in lowercase.
if ($tokens[$string]['content'] !== strtolower($tokens[$string]['content'])) {
$error = 'The directive of a declare statement must be in lowercase';
$fix = $phpcsFile->addFixableError($error, $string, 'DirectiveNotLowercase');
if ($fix === true) {
$phpcsFile->fixer->replaceToken($string, strtolower($tokens[$string]['content']));
}
}
if ($tokens[($string + 1)]['type'] !== 'T_EQUAL') {
$error = 'Expected no space between directive and the equals sign in a declare statement';
if ($tokens[$equals]['type'] === 'T_EQUAL') {
$fix = $phpcsFile->addFixableError($error, $equals, 'SpaceFoundAfterDirective');
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($string + 1), '');
}
} else {
$phpcsFile->addError($error, $equals, 'SpaceFoundAfterDirective');
$equals = $phpcsFile->findNext(T_EQUAL, ($equals + 1));
}
}
}//end if
// There should be no space between equal sign and directive value.
$value = $phpcsFile->findNext(T_WHITESPACE, ($equals + 1), null, true);
if ($equals !== false) {
if ($tokens[($equals + 1)]['type'] !== 'T_LNUMBER') {
$error = 'Expected no space between equal sign and the directive value in a declare statement';
if ($tokens[$value]['type'] === 'T_LNUMBER') {
$fix = $phpcsFile->addFixableError($error, $value, 'SpaceFoundBeforeDirectiveValue');
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($equals + 1), '');
}
} else {
$phpcsFile->addError($error, $value, 'SpaceFoundBeforeDirectiveValue');
$value = $phpcsFile->findNext(T_LNUMBER, ($value + 1));
}
}
}
$parenthesis = $phpcsFile->findNext(T_WHITESPACE, ($value + 1), null, true);
if ($value !== false) {
if ($tokens[($value + 1)]['type'] !== 'T_CLOSE_PARENTHESIS') {
$error = 'Expected no space between the directive value and closing parenthesis in a declare statement';
if ($tokens[$parenthesis]['type'] === 'T_CLOSE_PARENTHESIS') {
$fix = $phpcsFile->addFixableError($error, $parenthesis, 'SpaceFoundAfterDirectiveValue');
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($value + 1), '');
}
} else {
$phpcsFile->addError($error, $parenthesis, 'SpaceFoundAfterDirectiveValue');
$parenthesis = $phpcsFile->findNext(T_CLOSE_PARENTHESIS, ($parenthesis + 1));
}
}
}
// Check for semicolon.
$curlyBracket = false;
if ($tokens[($parenthesis + 1)]['type'] !== 'T_SEMICOLON') {
$token = $phpcsFile->findNext(T_WHITESPACE, ($parenthesis + 1), null, true);
if ($tokens[$token]['type'] === 'T_OPEN_CURLY_BRACKET') {
// Block declaration.
$curlyBracket = $token;
} else if ($tokens[$token]['type'] === 'T_SEMICOLON') {
$error = 'Expected no space between the closing parenthesis and the semicolon in a declare statement';
$fix = $phpcsFile->addFixableError($error, $parenthesis, 'SpaceFoundBeforeSemicolon');
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($parenthesis + 1), '');
}
} else if ($tokens[$token]['type'] === 'T_CLOSE_TAG') {
if ($tokens[($parenthesis)]['line'] !== $tokens[$token]['line']) {
// Close tag must be on the same line..
$error = 'The close tag must be on the same line as the declare statement';
$fix = $phpcsFile->addFixableError($error, $parenthesis, 'CloseTagOnNewLine');
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($parenthesis + 1), ' ');
}
}
} else {
$error = 'Expected no space between the closing parenthesis and the semicolon in a declare statement';
$phpcsFile->addError($error, $parenthesis, 'SpaceFoundBeforeSemicolon');
// See if there is a semicolon or curly bracket after this token.
$token = $phpcsFile->findNext([T_WHITESPACE, T_COMMENT], ($token + 1), null, true);
if ($tokens[$token]['type'] === 'T_OPEN_CURLY_BRACKET') {
$curlyBracket = $token;
}
}//end if
}//end if
if ($curlyBracket !== false) {
$prevToken = $phpcsFile->findPrevious(T_WHITESPACE, ($curlyBracket - 1), null, true);
$error = 'Expected one space between closing parenthesis and opening curly bracket in a declare statement';
// The opening curly bracket must on the same line with a single space between closing bracket.
if ($tokens[$prevToken]['type'] !== 'T_CLOSE_PARENTHESIS') {
$phpcsFile->addError($error, $curlyBracket, 'ExtraSpaceFoundAfterBracket');
} else if ($phpcsFile->getTokensAsString(($prevToken + 1), ($curlyBracket - $prevToken - 1)) !== ' ') {
$fix = $phpcsFile->addFixableError($error, $curlyBracket, 'ExtraSpaceFoundAfterBracket');
if ($fix === true) {
$phpcsFile->fixer->beginChangeset();
$phpcsFile->fixer->replaceToken(($prevToken + 1), ' ');
$nextToken = ($prevToken + 2);
while ($nextToken !== $curlyBracket) {
$phpcsFile->fixer->replaceToken($nextToken, '');
$nextToken++;
}
$phpcsFile->fixer->endChangeset();
}
}//end if
$closeCurlyBracket = $tokens[$curlyBracket]['bracket_closer'];
$prevToken = $phpcsFile->findPrevious(T_WHITESPACE, ($closeCurlyBracket - 1), null, true);
$nextToken = $phpcsFile->findNext([T_WHITESPACE, T_COMMENT], ($closeCurlyBracket + 1), null, true);
$line = $tokens[$closeCurlyBracket]['line'];
// The closing curly bracket must be on a new line.
if ($tokens[$prevToken]['line'] === $line || $tokens[$nextToken]['line'] === $line) {
if ($tokens[$prevToken]['line'] === $line) {
$error = 'The closing curly bracket of a declare statement must be on a new line';
$fix = $phpcsFile->addFixableError($error, $prevToken, 'CurlyBracketNotOnNewLine');
if ($fix === true) {
$phpcsFile->fixer->addNewline($prevToken);
}
}
}//end if
// Closing curly bracket must align with the declare keyword.
if ($tokens[$stackPtr]['column'] !== $tokens[$closeCurlyBracket]['column']) {
$error = 'The closing curly bracket of a declare statements must be aligned with the declare keyword';
$fix = $phpcsFile->addFixableError($error, $closeCurlyBracket, 'CloseBracketNotAligned');
if ($fix === true) {
$phpcsFile->fixer->replaceToken(($closeCurlyBracket - 1), str_repeat(' ', ($tokens[$stackPtr]['column'] - 1)));
}
}
// The open curly bracket must be the last code on the line.
$token = $phpcsFile->findNext(Tokens::$emptyTokens, ($curlyBracket + 1), null, true);
if ($tokens[$curlyBracket]['line'] === $tokens[$token]['line']) {
$error = 'The open curly bracket of a declare statement must be the last code on the line';
$fix = $phpcsFile->addFixableError($error, $token, 'CodeFoundAfterCurlyBracket');
if ($fix === true) {
$phpcsFile->fixer->beginChangeset();
$prevToken = $phpcsFile->findPrevious(T_WHITESPACE, ($token - 1), null, true);
for ($i = ($prevToken + 1); $i < $token; $i++) {
$phpcsFile->fixer->replaceToken($i, '');
}
$phpcsFile->fixer->addNewLineBefore($token);
$phpcsFile->fixer->endChangeset();
}
}
}//end if
}//end process()
}//end class