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  1. Drupal Core 11.1.x
  2. InlineCommentSniff.php

function InlineCommentSniff::process

Same name in this branch
  1. 11.1.x vendor/squizlabs/php_codesniffer/src/Standards/Squiz/Sniffs/Commenting/InlineCommentSniff.php \PHP_CodeSniffer\Standards\Squiz\Sniffs\Commenting\InlineCommentSniff::process()
  2. 11.1.x vendor/squizlabs/php_codesniffer/src/Standards/PEAR/Sniffs/Commenting/InlineCommentSniff.php \PHP_CodeSniffer\Standards\PEAR\Sniffs\Commenting\InlineCommentSniff::process()

Processes this test, when one of its tokens is encountered.

Parameters

\PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.:

int $stackPtr The position of the current token in the: stack passed in $tokens.

Return value

int|void

Overrides Sniff::process

File

vendor/drupal/coder/coder_sniffer/Drupal/Sniffs/Commenting/InlineCommentSniff.php, line 56

Class

InlineCommentSniff
\Drupal\Sniffs\Commenting\InlineCommentSniff.

Namespace

Drupal\Sniffs\Commenting

Code

public function process(File $phpcsFile, $stackPtr) {
    $tokens = $phpcsFile->getTokens();
    // If this is a function/class/interface doc block comment, skip it.
    // We are only interested in inline doc block comments, which are
    // not allowed.
    if ($tokens[$stackPtr]['code'] === T_DOC_COMMENT_OPEN_TAG) {
        $nextToken = $phpcsFile->findNext(Tokens::$emptyTokens, $stackPtr + 1, null, true);
        $ignore = [
            T_ATTRIBUTE,
            T_CLASS,
            T_INTERFACE,
            T_TRAIT,
            T_ENUM,
            T_FUNCTION,
            T_CLOSURE,
            T_PUBLIC,
            T_PRIVATE,
            T_PROTECTED,
            T_FINAL,
            T_STATIC,
            T_ABSTRACT,
            T_CONST,
            T_PROPERTY,
            T_INCLUDE,
            T_INCLUDE_ONCE,
            T_REQUIRE,
            T_REQUIRE_ONCE,
            T_VAR,
        ];
        // Also ignore all doc blocks defined in the outer scope (no scope
        // conditions are set).
        if (in_array($tokens[$nextToken]['code'], $ignore, true) === true || empty($tokens[$stackPtr]['conditions']) === true) {
            return;
        }
        if ($phpcsFile->tokenizerType === 'JS') {
            // We allow block comments if a function or object
            // is being assigned to a variable.
            $ignore = Tokens::$emptyTokens;
            $ignore[] = T_EQUAL;
            $ignore[] = T_STRING;
            $ignore[] = T_OBJECT_OPERATOR;
            $nextToken = $phpcsFile->findNext($ignore, $nextToken + 1, null, true);
            if ($tokens[$nextToken]['code'] === T_FUNCTION || $tokens[$nextToken]['code'] === T_CLOSURE || $tokens[$nextToken]['code'] === T_OBJECT || $tokens[$nextToken]['code'] === T_PROTOTYPE) {
                return;
            }
        }
        $prevToken = $phpcsFile->findPrevious(Tokens::$emptyTokens, $stackPtr - 1, null, true);
        if ($tokens[$prevToken]['code'] === T_OPEN_TAG) {
            return;
        }
        // Inline doc blocks are allowed in JSDoc.
        if ($tokens[$stackPtr]['content'] === '/**' && $phpcsFile->tokenizerType !== 'JS') {
            // The only exception to inline doc blocks is the /** @var */
            // declaration. Allow that in any form.
            $varTag = $phpcsFile->findNext([
                T_DOC_COMMENT_TAG,
            ], $stackPtr + 1, $tokens[$stackPtr]['comment_closer'], false, '@var');
            if ($varTag === false) {
                $error = 'Inline doc block comments are not allowed; use "/* Comment */" or "// Comment" instead';
                $phpcsFile->addError($error, $stackPtr, 'DocBlock');
            }
        }
    }
    
    //end if
    if ($tokens[$stackPtr]['content'][0] === '#') {
        $error = 'Perl-style comments are not allowed; use "// Comment" instead';
        $fix = $phpcsFile->addFixableError($error, $stackPtr, 'WrongStyle');
        if ($fix === true) {
            $comment = ltrim($tokens[$stackPtr]['content'], "# \t");
            $phpcsFile->fixer
                ->replaceToken($stackPtr, "// {$comment}");
        }
    }
    // We don't want end of block comments. Check if the last token before the
    // comment is a closing curly brace.
    $previousContent = $phpcsFile->findPrevious(T_WHITESPACE, $stackPtr - 1, null, true);
    if ($tokens[$previousContent]['line'] === $tokens[$stackPtr]['line']) {
        if ($tokens[$previousContent]['code'] === T_CLOSE_CURLY_BRACKET) {
            return;
        }
        // Special case for JS files.
        if ($tokens[$previousContent]['code'] === T_COMMA || $tokens[$previousContent]['code'] === T_SEMICOLON) {
            $lastContent = $phpcsFile->findPrevious(T_WHITESPACE, $previousContent - 1, null, true);
            if ($tokens[$lastContent]['code'] === T_CLOSE_CURLY_BRACKET) {
                return;
            }
        }
    }
    // Only want inline comments.
    if (substr($tokens[$stackPtr]['content'], 0, 2) !== '//') {
        return;
    }
    // Ignore code example lines.
    if ($this->isInCodeExample($phpcsFile, $stackPtr) === true) {
        return;
    }
    $commentTokens = [
        $stackPtr,
    ];
    $nextComment = $stackPtr;
    $lastComment = $stackPtr;
    while (($nextComment = $phpcsFile->findNext(T_COMMENT, $nextComment + 1, null, false)) !== false) {
        if ($tokens[$nextComment]['line'] !== $tokens[$lastComment]['line'] + 1) {
            break;
        }
        // Only want inline comments.
        if (substr($tokens[$nextComment]['content'], 0, 2) !== '//') {
            break;
        }
        // There is a comment on the very next line. If there is
        // no code between the comments, they are part of the same
        // comment block.
        $prevNonWhitespace = $phpcsFile->findPrevious(T_WHITESPACE, $nextComment - 1, $lastComment, true);
        if ($prevNonWhitespace !== $lastComment) {
            break;
        }
        // A comment starting with "@" means a new comment section.
        if (preg_match('|^//[\\s]*@|', $tokens[$nextComment]['content']) === 1) {
            break;
        }
        $commentTokens[] = $nextComment;
        $lastComment = $nextComment;
    }
    
    //end while
    $commentText = '';
    $lastCommentToken = $stackPtr;
    foreach ($commentTokens as $lastCommentToken) {
        $comment = rtrim($tokens[$lastCommentToken]['content']);
        if (trim(substr($comment, 2)) === '') {
            continue;
        }
        $spaceCount = 0;
        $tabFound = false;
        $commentLength = strlen($comment);
        for ($i = 2; $i < $commentLength; $i++) {
            if ($comment[$i] === "\t") {
                $tabFound = true;
                break;
            }
            if ($comment[$i] !== ' ') {
                break;
            }
            $spaceCount++;
        }
        $fix = false;
        if ($tabFound === true) {
            $error = 'Tab found before comment text; expected "// %s" but found "%s"';
            $data = [
                ltrim(substr($comment, 2)),
                $comment,
            ];
            $fix = $phpcsFile->addFixableError($error, $lastCommentToken, 'TabBefore', $data);
        }
        else {
            if ($spaceCount === 0) {
                $error = 'No space found before comment text; expected "// %s" but found "%s"';
                $data = [
                    substr($comment, 2),
                    $comment,
                ];
                $fix = $phpcsFile->addFixableError($error, $lastCommentToken, 'NoSpaceBefore', $data);
            }
        }
        
        //end if
        if ($fix === true) {
            $newComment = '// ' . ltrim($tokens[$lastCommentToken]['content'], "/\t ");
            $phpcsFile->fixer
                ->replaceToken($lastCommentToken, $newComment);
        }
        if ($spaceCount > 1) {
            // Check if there is a comment on the previous line that justifies the
            // indentation.
            $prevComment = $phpcsFile->findPrevious([
                T_COMMENT,
            ], $lastCommentToken - 1, null, false);
            if ($prevComment !== false && $tokens[$prevComment]['line'] === $tokens[$lastCommentToken]['line'] - 1) {
                $prevCommentText = rtrim($tokens[$prevComment]['content']);
                $prevSpaceCount = 0;
                for ($i = 2; $i < strlen($prevCommentText); $i++) {
                    if ($prevCommentText[$i] !== ' ') {
                        break;
                    }
                    $prevSpaceCount++;
                }
                if ($spaceCount > $prevSpaceCount && $prevSpaceCount > 0) {
                    // A previous comment could be a list item or @todo.
                    $indentationStarters = [
                        '-',
                        '@todo',
                    ];
                    $words = preg_split('/\\s+/', $prevCommentText);
                    $numberedList = (bool) preg_match('/^[0-9]+\\./', $words[1]);
                    if (in_array($words[1], $indentationStarters) === true) {
                        if ($spaceCount !== $prevSpaceCount + 2) {
                            $error = 'Comment indentation error after %s element, expected %s spaces';
                            $fix = $phpcsFile->addFixableError($error, $lastCommentToken, 'SpacingBefore', [
                                $words[1],
                                $prevSpaceCount + 2,
                            ]);
                            if ($fix === true) {
                                $newComment = '//' . str_repeat(' ', $prevSpaceCount + 2) . ltrim($tokens[$lastCommentToken]['content'], "/\t ");
                                $phpcsFile->fixer
                                    ->replaceToken($lastCommentToken, $newComment);
                            }
                        }
                    }
                    else {
                        if ($numberedList === true) {
                            $expectedSpaceCount = $prevSpaceCount + strlen($words[1]) + 1;
                            if ($spaceCount !== $expectedSpaceCount) {
                                $error = 'Comment indentation error, expected %s spaces';
                                $fix = $phpcsFile->addFixableError($error, $lastCommentToken, 'SpacingBefore', [
                                    $expectedSpaceCount,
                                ]);
                                if ($fix === true) {
                                    $newComment = '//' . str_repeat(' ', $expectedSpaceCount) . ltrim($tokens[$lastCommentToken]['content'], "/\t ");
                                    $phpcsFile->fixer
                                        ->replaceToken($lastCommentToken, $newComment);
                                }
                            }
                        }
                        else {
                            $error = 'Comment indentation error, expected only %s spaces';
                            $phpcsFile->addError($error, $lastCommentToken, 'SpacingBefore', [
                                $prevSpaceCount,
                            ]);
                        }
                    }
                    
                    //end if
                }
                
                //end if
            }
            else {
                $error = '%s spaces found before inline comment; expected "// %s" but found "%s"';
                $data = [
                    $spaceCount,
                    substr($comment, 2 + $spaceCount),
                    $comment,
                ];
                $fix = $phpcsFile->addFixableError($error, $lastCommentToken, 'SpacingBefore', $data);
                if ($fix === true) {
                    $phpcsFile->fixer
                        ->replaceToken($lastCommentToken, '// ' . substr($comment, 2 + $spaceCount) . $phpcsFile->eolChar);
                }
            }
            
            //end if
        }
        
        //end if
        $commentText .= trim(substr($tokens[$lastCommentToken]['content'], 2));
    }
    
    //end foreach
    if ($commentText === '') {
        $error = 'Blank comments are not allowed';
        $fix = $phpcsFile->addFixableError($error, $stackPtr, 'Empty');
        if ($fix === true) {
            $phpcsFile->fixer
                ->replaceToken($stackPtr, '');
        }
        return $lastCommentToken + 1;
    }
    $words = preg_split('/\\s+/', $commentText);
    if (preg_match('/^\\p{Ll}/u', $commentText) === 1) {
        // Allow special lower cased words that contain non-alpha characters
        // (function references, machine names with underscores etc.).
        $matches = [];
        preg_match('/[a-z]+/', $words[0], $matches);
        if (isset($matches[0]) === true && $matches[0] === $words[0]) {
            $error = 'Inline comments must start with a capital letter';
            $fix = $phpcsFile->addFixableError($error, $stackPtr, 'NotCapital');
            if ($fix === true) {
                $newComment = preg_replace("/{$words[0]}/", ucfirst($words[0]), $tokens[$stackPtr]['content'], 1);
                $phpcsFile->fixer
                    ->replaceToken($stackPtr, $newComment);
            }
        }
    }
    // Only check the end of comment character if the start of the comment
    // is a letter, indicating that the comment is just standard text.
    // Also, when the comment starts with cspell: don't check the end of the
    // comment.
    if (preg_match('/^\\p{L}/u', $commentText) === 1 && preg_match('/(cspell|spell\\-checker|spellchecker):/i', $commentText) === 0) {
        $commentCloser = $commentText[strlen($commentText) - 1];
        $acceptedClosers = [
            'full-stops' => '.',
            'exclamation marks' => '!',
            'question marks' => '?',
            'colons' => ':',
            'or closing parentheses' => ')',
        ];
        // Allow special last words like URLs or function references
        // without punctuation.
        $lastWord = $words[count($words) - 1];
        $matches = [];
        preg_match('/https?:\\/\\/.+/', $lastWord, $matches);
        $isUrl = isset($matches[0]) === true;
        preg_match('/[$a-zA-Z_]+\\([$a-zA-Z_]*\\)/', $lastWord, $matches);
        $isFunction = isset($matches[0]) === true;
        // Also allow closing tags like @endlink or @endcode.
        $isEndTag = $lastWord[0] === '@';
        if (in_array($commentCloser, $acceptedClosers, true) === false && $isUrl === false && $isFunction === false && $isEndTag === false) {
            $error = 'Inline comments must end in %s';
            $ender = '';
            foreach ($acceptedClosers as $closerName => $symbol) {
                $ender .= ' ' . $closerName . ',';
            }
            $ender = trim($ender, ' ,');
            $data = [
                $ender,
            ];
            $fix = $phpcsFile->addFixableError($error, $lastCommentToken, 'InvalidEndChar', $data);
            if ($fix === true) {
                $newContent = preg_replace('/(\\s+)$/', '.$1', $tokens[$lastCommentToken]['content']);
                $phpcsFile->fixer
                    ->replaceToken($lastCommentToken, $newContent);
            }
        }
    }
    
    //end if
    // Finally, the line below the last comment cannot be empty if this inline
    // comment is on a line by itself.
    if ($tokens[$previousContent]['line'] < $tokens[$stackPtr]['line']) {
        $next = $phpcsFile->findNext(T_WHITESPACE, $lastCommentToken + 1, null, true);
        if ($next === false) {
            // Ignore if the comment is the last non-whitespace token in a file.
            return $lastCommentToken + 1;
        }
        if ($tokens[$next]['code'] === T_DOC_COMMENT_OPEN_TAG) {
            // If this inline comment is followed by a docblock,
            // ignore spacing as docblock/function etc spacing rules
            // are likely to conflict with our rules.
            return $lastCommentToken + 1;
        }
        $errorCode = 'SpacingAfter';
        if (isset($tokens[$stackPtr]['conditions']) === true) {
            $conditions = $tokens[$stackPtr]['conditions'];
            $type = end($conditions);
            $conditionPtr = key($conditions);
            if (($type === T_FUNCTION || $type === T_CLOSURE) && $tokens[$conditionPtr]['scope_closer'] === $next) {
                $errorCode = 'SpacingAfterAtFunctionEnd';
            }
        }
        for ($i = $lastCommentToken + 1; $i < $phpcsFile->numTokens; $i++) {
            if ($tokens[$i]['line'] === $tokens[$lastCommentToken]['line'] + 1) {
                if ($tokens[$i]['code'] !== T_WHITESPACE) {
                    return $lastCommentToken + 1;
                }
            }
            else {
                if ($tokens[$i]['line'] > $tokens[$lastCommentToken]['line'] + 1) {
                    break;
                }
            }
        }
        $error = 'There must be no blank line following an inline comment';
        $fix = $phpcsFile->addFixableWarning($error, $lastCommentToken, $errorCode);
        if ($fix === true) {
            $phpcsFile->fixer
                ->beginChangeset();
            for ($i = $lastCommentToken + 1; $i < $next; $i++) {
                if ($tokens[$i]['line'] === $tokens[$next]['line']) {
                    break;
                }
                $phpcsFile->fixer
                    ->replaceToken($i, '');
            }
            $phpcsFile->fixer
                ->endChangeset();
        }
    }
    
    //end if
    return $lastCommentToken + 1;
}

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