File "ControlStructureSpacingSniff.php"
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Charset: utf-8
<?php
/**
* Checks that control structures have the correct spacing.
*
* @author Greg Sherwood <gsherwood@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\ControlStructures;
use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Standards\PSR2\Sniffs\ControlStructures\ControlStructureSpacingSniff as PSR2Spacing;
use PHP_CodeSniffer\Util\Tokens;
class ControlStructureSpacingSniff implements Sniff
{
/**
* The number of spaces code should be indented.
*
* @var integer
*/
public $indent = 4;
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return [
T_IF,
T_WHILE,
T_FOREACH,
T_FOR,
T_SWITCH,
T_ELSE,
T_ELSEIF,
T_CATCH,
T_MATCH,
];
}//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 passed in $tokens.
*
* @return void
*/
public function process(File $phpcsFile, $stackPtr)
{
$tokens = $phpcsFile->getTokens();
if (isset($tokens[$stackPtr]['parenthesis_opener']) === false
|| isset($tokens[$stackPtr]['parenthesis_closer']) === false
) {
return;
}
$parenOpener = $tokens[$stackPtr]['parenthesis_opener'];
$parenCloser = $tokens[$stackPtr]['parenthesis_closer'];
if ($tokens[$parenOpener]['line'] === $tokens[$parenCloser]['line']) {
// Conditions are all on the same line, so follow PSR2.
$sniff = new PSR2Spacing();
return $sniff->process($phpcsFile, $stackPtr);
}
$next = $phpcsFile->findNext(T_WHITESPACE, ($parenOpener + 1), $parenCloser, true);
if ($next === false) {
// No conditions; parse error.
return;
}
// Check the first expression.
if ($tokens[$next]['line'] !== ($tokens[$parenOpener]['line'] + 1)) {
$error = 'The first expression of a multi-line control structure must be on the line after the opening parenthesis';
$fix = $phpcsFile->addFixableError($error, $next, 'FirstExpressionLine');
if ($fix === true) {
$phpcsFile->fixer->addNewline($parenOpener);
}
}
// Check the indent of each line.
$first = $phpcsFile->findFirstOnLine(T_WHITESPACE, $stackPtr, true);
$requiredIndent = ($tokens[$first]['column'] + $this->indent - 1);
for ($i = $parenOpener; $i < $parenCloser; $i++) {
if ($tokens[$i]['column'] !== 1
|| $tokens[($i + 1)]['line'] > $tokens[$i]['line']
|| isset(Tokens::$commentTokens[$tokens[$i]['code']]) === true
) {
continue;
}
if (($i + 1) === $parenCloser) {
break;
}
// Leave indentation inside multi-line strings.
if (isset(Tokens::$textStringTokens[$tokens[$i]['code']]) === true
|| isset(Tokens::$heredocTokens[$tokens[$i]['code']]) === true
) {
continue;
}
if ($tokens[$i]['code'] !== T_WHITESPACE) {
$foundIndent = 0;
} else {
$foundIndent = $tokens[$i]['length'];
}
if ($foundIndent < $requiredIndent) {
$error = 'Each line in a multi-line control structure must be indented at least once; expected at least %s spaces, but found %s';
$data = [
$requiredIndent,
$foundIndent,
];
$fix = $phpcsFile->addFixableError($error, $i, 'LineIndent', $data);
if ($fix === true) {
$padding = str_repeat(' ', $requiredIndent);
if ($foundIndent === 0) {
$phpcsFile->fixer->addContentBefore($i, $padding);
} else {
$phpcsFile->fixer->replaceToken($i, $padding);
}
}
}
}//end for
// Check the closing parenthesis.
$prev = $phpcsFile->findPrevious(T_WHITESPACE, ($parenCloser - 1), $parenOpener, true);
if ($tokens[$parenCloser]['line'] !== ($tokens[$prev]['line'] + 1)) {
$error = 'The closing parenthesis of a multi-line control structure must be on the line after the last expression';
$fix = $phpcsFile->addFixableError($error, $parenCloser, 'CloseParenthesisLine');
if ($fix === true) {
if ($tokens[$parenCloser]['line'] === $tokens[$prev]['line']) {
$phpcsFile->fixer->addNewlineBefore($parenCloser);
} else {
$phpcsFile->fixer->beginChangeset();
for ($i = ($prev + 1); $i < $parenCloser; $i++) {
// Maintain existing newline.
if ($tokens[$i]['line'] === $tokens[$prev]['line']) {
continue;
}
// Maintain existing indent.
if ($tokens[$i]['line'] === $tokens[$parenCloser]['line']) {
break;
}
$phpcsFile->fixer->replaceToken($i, '');
}
$phpcsFile->fixer->endChangeset();
}
}//end if
}//end if
if ($tokens[$parenCloser]['line'] !== $tokens[$prev]['line']) {
$requiredIndent = ($tokens[$first]['column'] - 1);
$foundIndent = ($tokens[$parenCloser]['column'] - 1);
if ($foundIndent !== $requiredIndent) {
$error = 'The closing parenthesis of a multi-line control structure must be indented to the same level as start of the control structure; expected %s spaces but found %s';
$data = [
$requiredIndent,
$foundIndent,
];
$fix = $phpcsFile->addFixableError($error, $parenCloser, 'CloseParenthesisIndent', $data);
if ($fix === true) {
$padding = str_repeat(' ', $requiredIndent);
if ($foundIndent === 0) {
$phpcsFile->fixer->addContentBefore($parenCloser, $padding);
} else {
$phpcsFile->fixer->replaceToken(($parenCloser - 1), $padding);
}
}
}
}
}//end process()
}//end class