20855665414

Committed 09 Jan 2026 02:49PM UTC coverage: 78.904% (+0.001%) from 78.903%

Build # 20855665414

Build Type

Pull #1358

github

Committed by

web-flow

Commit Message

Merge 78af3f544 into cb3ecb950

Pull Request Pull Request #1358: PSR2 WrongOpenercase with colon and bracket is unclear

Run Details

2 of 2 new or added lines in 1 file covered. (100.0%)

6 existing lines in 1 file now uncovered.

19827 of 25128 relevant lines covered (78.9%)

98.96 hits per line

Source File
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96.05

/src/Standards/PSR2/Sniffs/ControlStructures/SwitchDeclarationSniff.php

<?php
/**
 * Ensures all switch statements are defined correctly.
 *
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2023 Squiz Pty Ltd (ABN 77 084 670 600)
 * @copyright 2023 PHPCSStandards and contributors
 * @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/HEAD/licence.txt BSD Licence
 */

namespace PHP_CodeSniffer\Standards\PSR2\Sniffs\ControlStructures;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Util\Tokens;

class SwitchDeclarationSniff implements Sniff
{

    /**
     * Tokens which can terminate a "case".
     *
     * @var array<int|string, int|string>
     */
    private const CASE_TERMINATING_TOKENS = [
        T_RETURN   => T_RETURN,
        T_BREAK    => T_BREAK,
        T_CONTINUE => T_CONTINUE,
        T_THROW    => T_THROW,
        T_EXIT     => T_EXIT,
        T_GOTO     => T_GOTO,
    ];

    /**
     * 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<int|string>
     */
    public function register()
    {
        return [T_SWITCH];
    }


    /**
     * 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, int $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();

        // We can't process SWITCH statements unless we know where they start and end.
        if (isset($tokens[$stackPtr]['scope_opener']) === false
            || isset($tokens[$stackPtr]['scope_closer']) === false
        ) {
            return;
        }

        $switch        = $tokens[$stackPtr];
        $nextCase      = $stackPtr;
        $caseAlignment = ($switch['column'] + $this->indent);

        while (($nextCase = $this->findNextCase($phpcsFile, ($nextCase + 1), $switch['scope_closer'])) !== false) {
            if ($tokens[$nextCase]['code'] === T_DEFAULT) {
                $type = 'default';
            } else {
                $type = 'case';
            }

            if ($tokens[$nextCase]['content'] !== strtolower($tokens[$nextCase]['content'])) {
                $expected = strtolower($tokens[$nextCase]['content']);
                $error    = strtoupper($type) . ' keyword must be lowercase; expected "%s" but found "%s"';
                $data     = [
                    $expected,
                    $tokens[$nextCase]['content'],
                ];

                $fix = $phpcsFile->addFixableError($error, $nextCase, $type . 'NotLower', $data);
                if ($fix === true) {
                    $phpcsFile->fixer->replaceToken($nextCase, $expected);
                }
            }

            if ($type === 'case'
                && ($tokens[($nextCase + 1)]['code'] !== T_WHITESPACE
                || $tokens[($nextCase + 1)]['content'] !== ' ')
            ) {
                $error = 'CASE keyword must be followed by a single space';
                $fix   = $phpcsFile->addFixableError($error, $nextCase, 'SpacingAfterCase');
                if ($fix === true) {
                    if ($tokens[($nextCase + 1)]['code'] !== T_WHITESPACE) {
                        $phpcsFile->fixer->addContent($nextCase, ' ');
                    } else {
                        $phpcsFile->fixer->replaceToken(($nextCase + 1), ' ');
                    }
                }
            }

            $opener     = $tokens[$nextCase]['scope_opener'];
            $nextCloser = $tokens[$nextCase]['scope_closer'];
            if ($tokens[$opener]['code'] === T_COLON) {
                if ($tokens[($opener - 1)]['code'] === T_WHITESPACE) {
                    $error = 'There must be no space before the colon in a ' . strtoupper($type) . ' statement';
                    $fix   = $phpcsFile->addFixableError($error, $nextCase, 'SpaceBeforeColon' . strtoupper($type));
                    if ($fix === true) {
                        $phpcsFile->fixer->replaceToken(($opener - 1), '');
                    }
                }

                for ($next = ($opener + 1); $next < $nextCloser; $next++) {
                    if (isset(Tokens::EMPTY_TOKENS[$tokens[$next]['code']]) === false
                        || (isset(Tokens::COMMENT_TOKENS[$tokens[$next]['code']]) === true
                        && $tokens[$next]['line'] !== $tokens[$opener]['line'])
                    ) {
                        break;
                    }
                }

                if ($tokens[$next]['line'] !== ($tokens[$opener]['line'] + 1)) {
                    $error = 'The ' . strtoupper($type) . ' body must start on the line following the statement';
                    $fix   = $phpcsFile->addFixableError($error, $nextCase, 'BodyOnNextLine' . strtoupper($type));
                    if ($fix === true) {
                        if ($tokens[$next]['line'] === $tokens[$opener]['line']) {
                            $padding = str_repeat(' ', ($caseAlignment + $this->indent - 1));
                            $phpcsFile->fixer->addContentBefore($next, $phpcsFile->eolChar . $padding);
                        } else {
                            $phpcsFile->fixer->beginChangeset();
                            for ($i = ($opener + 1); $i < $next; $i++) {
                                if ($tokens[$i]['line'] === $tokens[$opener]['line']) {
                                    // Ignore trailing comments.
                                    continue;
                                }

                                if ($tokens[$i]['line'] === $tokens[$next]['line']) {
                                    break;
                                }

                                $phpcsFile->fixer->replaceToken($i, '');
                            }

                            $phpcsFile->fixer->endChangeset();
                        }
                    }
                }

                if ($tokens[$nextCloser]['scope_condition'] === $nextCase) {
                    // Only need to check some things once, even if the
                    // closer is shared between multiple case statements, or even
                    // the default case.
                    $prev = $phpcsFile->findPrevious(T_WHITESPACE, ($nextCloser - 1), $nextCase, true);
                    if ($tokens[$prev]['line'] === $tokens[$nextCloser]['line']) {
                        $error = 'Terminating statement must be on a line by itself';
                        $fix   = $phpcsFile->addFixableError($error, $nextCloser, 'BreakNotNewLine');
                        if ($fix === true) {
                            $phpcsFile->fixer->addNewline($prev);
                            $phpcsFile->fixer->replaceToken($nextCloser, trim($tokens[$nextCloser]['content']));
                        }
                    } else {
                        $diff = ($tokens[$nextCase]['column'] + $this->indent - $tokens[$nextCloser]['column']);
                        if ($diff !== 0) {
                            $error = 'Terminating statement must be indented to the same level as the CASE body';
                            $fix   = $phpcsFile->addFixableError($error, $nextCloser, 'BreakIndent');
                            if ($fix === true) {
                                if ($diff > 0) {
                                    $phpcsFile->fixer->addContentBefore($nextCloser, str_repeat(' ', $diff));
                                } else {
                                    $phpcsFile->fixer->substrToken(($nextCloser - 1), 0, $diff);
                                }
                            }
                        }
                    }
                }
            } else {
                $error = strtoupper($type) . ' statements must be defined using a colon';
                if ($tokens[$opener]['code'] === T_SEMICOLON || $tokens[$opener]['code'] === T_CLOSE_TAG) {
                    $fix = $phpcsFile->addFixableError($error, $nextCase, 'WrongOpener' . $type);
                    if ($fix === true) {
                        if ($tokens[$opener]['code'] === T_SEMICOLON) {
                            $phpcsFile->fixer->replaceToken($opener, ':');
                        } else {
                            $prevNonEmpty = $phpcsFile->findPrevious(T_WHITESPACE, ($opener - 1), null, true);
                            $phpcsFile->fixer->addContent($prevNonEmpty, ':');
                        }
                    }
                } else {
                    // Probably a case/default statement with colon + curly braces.
                    $error = sprintf('%s statements must not use a braced block after the colon', strtoupper($type));
                    $phpcsFile->addError($error, $nextCase, 'CaseWithBlockScope');
                }
            }

            // We only want cases from here on in.
            if ($type !== 'case') {
                continue;
            }

            $nextCode = $phpcsFile->findNext(T_WHITESPACE, ($opener + 1), $nextCloser, true);

            if ($tokens[$nextCode]['code'] !== T_CASE && $tokens[$nextCode]['code'] !== T_DEFAULT) {
                // This case statement has content. If the next case or default comes
                // before the closer, it means we don't have an obvious terminating
                // statement and need to make some more effort to find one. If we
                // don't, we do need a comment.
                $nextCode = $this->findNextCase($phpcsFile, ($opener + 1), $nextCloser);
                if ($nextCode !== false) {
                    $prevCode = $phpcsFile->findPrevious(T_WHITESPACE, ($nextCode - 1), $nextCase, true);
                    if (isset(Tokens::COMMENT_TOKENS[$tokens[$prevCode]['code']]) === false
                        && $this->findNestedTerminator($phpcsFile, ($opener + 1), $nextCode) === false
                    ) {
                        $error = 'There must be a comment when fall-through is intentional in a non-empty case body';
                        $phpcsFile->addError($error, $nextCase, 'TerminatingComment');
                    }
                }
            }
        }
    }


    /**
     * Find the next CASE or DEFAULT statement from a point in the file.
     *
     * Note that nested switches are ignored.
     *
     * @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
     * @param int                         $stackPtr  The position to start looking at.
     * @param int                         $end       The position to stop looking at.
     *
     * @return int|false
     */
    private function findNextCase(File $phpcsFile, int $stackPtr, int $end)
    {
        $tokens = $phpcsFile->getTokens();
        while (($stackPtr = $phpcsFile->findNext([T_CASE, T_DEFAULT, T_SWITCH], $stackPtr, $end)) !== false) {
            // Skip nested SWITCH statements; they are handled on their own.
            if ($tokens[$stackPtr]['code'] === T_SWITCH) {
                $stackPtr = $tokens[$stackPtr]['scope_closer'];
                continue;
            }

            break;
        }

        return $stackPtr;
    }


    /**
     * Returns the position of the nested terminating statement.
     *
     * Returns false if no terminating statement was found.
     *
     * @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
     * @param int                         $stackPtr  The position to start looking at.
     * @param int                         $end       The position to stop looking at.
     *
     * @return int|bool
     */
    private function findNestedTerminator(File $phpcsFile, int $stackPtr, int $end)
    {
        $tokens = $phpcsFile->getTokens();

        $lastToken = $phpcsFile->findPrevious(Tokens::EMPTY_TOKENS, ($end - 1), $stackPtr, true);
        if ($lastToken === false) {
            return false;
        }

        if ($tokens[$lastToken]['code'] === T_CLOSE_CURLY_BRACKET) {
            // We found a closing curly bracket and want to check if its block
            // belongs to a SWITCH, IF, ELSEIF or ELSE, TRY, CATCH OR FINALLY clause.
            // If yes, we continue searching for a terminating statement within that
            // block. Note that we have to make sure that every block of
            // the entire if/else/switch statement has a terminating statement.
            // For a try/catch/finally statement, either the finally block has
            // to have a terminating statement or every try/catch block has to have one.
            $currentCloser = $lastToken;
            $hasElseBlock  = false;
            $hasCatchWithoutTerminator = false;
            do {
                $scopeOpener = $tokens[$currentCloser]['scope_opener'];
                $scopeCloser = $tokens[$currentCloser]['scope_closer'];

                $prevToken = $phpcsFile->findPrevious(Tokens::EMPTY_TOKENS, ($scopeOpener - 1), $stackPtr, true);
                if ($prevToken === false) {
                    return false;
                }

                // SWITCH, IF, ELSEIF, CATCH clauses possess a condition we have to account for.
                if ($tokens[$prevToken]['code'] === T_CLOSE_PARENTHESIS) {
                    $prevToken = $tokens[$prevToken]['parenthesis_owner'];
                }

                if ($tokens[$prevToken]['code'] === T_IF) {
                    // If we have not encountered an ELSE clause by now, we cannot
                    // be sure that the whole statement terminates in every case.
                    if ($hasElseBlock === false) {
                        return false;
                    }

                    return $this->findNestedTerminator($phpcsFile, ($scopeOpener + 1), $scopeCloser);
                } elseif ($tokens[$prevToken]['code'] === T_ELSEIF
                    || $tokens[$prevToken]['code'] === T_ELSE
                ) {
                    // If we find a terminating statement within this block,
                    // we continue with the previous ELSEIF or IF clause.
                    $hasTerminator = $this->findNestedTerminator($phpcsFile, ($scopeOpener + 1), $scopeCloser);
                    if ($hasTerminator === false) {
                        return false;
                    }

                    $currentCloser = $phpcsFile->findPrevious(Tokens::EMPTY_TOKENS, ($prevToken - 1), $stackPtr, true);
                    if ($tokens[$prevToken]['code'] === T_ELSE) {
                        $hasElseBlock = true;
                    }
                } elseif ($tokens[$prevToken]['code'] === T_FINALLY) {
                    // If we find a terminating statement within this block,
                    // the whole try/catch/finally statement is covered.
                    $hasTerminator = $this->findNestedTerminator($phpcsFile, ($scopeOpener + 1), $scopeCloser);
                    if ($hasTerminator !== false) {
                        return $hasTerminator;
                    }

                    // Otherwise, we continue with the previous TRY or CATCH clause.
                    $currentCloser = $phpcsFile->findPrevious(Tokens::EMPTY_TOKENS, ($prevToken - 1), $stackPtr, true);
                } elseif ($tokens[$prevToken]['code'] === T_TRY) {
                    // If we've seen CATCH blocks without terminator statement and
                    // have not seen a FINALLY *with* a terminator statement, we
                    // don't even need to bother checking the TRY.
                    if ($hasCatchWithoutTerminator === true) {
                        return false;
                    }

                    return $this->findNestedTerminator($phpcsFile, ($scopeOpener + 1), $scopeCloser);
                } elseif ($tokens[$prevToken]['code'] === T_CATCH) {
                    // Keep track of seen catch statements without terminating statement,
                    // but don't bow out yet as there may still be a FINALLY clause
                    // with a terminating statement before the CATCH.
                    $hasTerminator = $this->findNestedTerminator($phpcsFile, ($scopeOpener + 1), $scopeCloser);
                    if ($hasTerminator === false) {
                        $hasCatchWithoutTerminator = true;
                    }

                    $currentCloser = $phpcsFile->findPrevious(Tokens::EMPTY_TOKENS, ($prevToken - 1), $stackPtr, true);
                } elseif ($tokens[$prevToken]['code'] === T_SWITCH) {
                    $hasDefaultBlock = false;
                    $endOfSwitch     = $tokens[$prevToken]['scope_closer'];
                    $nextCase        = $prevToken;

                    // We look for a terminating statement within every blocks.
                    while (($nextCase = $this->findNextCase($phpcsFile, ($nextCase + 1), $endOfSwitch)) !== false) {
                        if ($tokens[$nextCase]['code'] === T_DEFAULT) {
                            $hasDefaultBlock = true;
                        }

                        $opener = $tokens[$nextCase]['scope_opener'];

                        $nextCode = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, ($opener + 1), $endOfSwitch, true);
                        if ($tokens[$nextCode]['code'] === T_CASE || $tokens[$nextCode]['code'] === T_DEFAULT) {
                            // This case statement has no content, so skip it.
                            continue;
                        }

                        $endOfCase = $this->findNextCase($phpcsFile, ($opener + 1), $endOfSwitch);
                        if ($endOfCase === false) {
                            $endOfCase = $endOfSwitch;
                        }

                        $hasTerminator = $this->findNestedTerminator($phpcsFile, ($opener + 1), $endOfCase);
                        if ($hasTerminator === false) {
                            return false;
                        }
                    }

                    // If we have not encountered a DEFAULT block by now, we cannot
                    // be sure that the whole statement terminates in every case.
                    if ($hasDefaultBlock === false) {
                        return false;
                    }

                    return $hasTerminator;
                } else {
                    return false;
                }
            } while ($currentCloser !== false && $tokens[$currentCloser]['code'] === T_CLOSE_CURLY_BRACKET);

            return true;
        } elseif ($tokens[$lastToken]['code'] === T_SEMICOLON) {
            // We found the last statement of the CASE. Now we want to
            // check whether it is a terminating one.
            $terminator = $phpcsFile->findStartOfStatement(($lastToken - 1));
            if (isset(self::CASE_TERMINATING_TOKENS[$tokens[$terminator]['code']]) === true) {
                return $terminator;
            }
        }

        return false;
    }
}

1	<?php
2	/**
3	* Ensures all switch statements are defined correctly.
4	*
5	* @author Greg Sherwood <gsherwood@squiz.net>
6	* @copyright 2006-2023 Squiz Pty Ltd (ABN 77 084 670 600)
7	* @copyright 2023 PHPCSStandards and contributors
8	* @license https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/HEAD/licence.txt BSD Licence
9	*/
10
11	namespace PHP_CodeSniffer\Standards\PSR2\Sniffs\ControlStructures;
12
13	use PHP_CodeSniffer\Files\File;
14	use PHP_CodeSniffer\Sniffs\Sniff;
15	use PHP_CodeSniffer\Util\Tokens;
16
17	class SwitchDeclarationSniff implements Sniff
18	{
19
20	/**
21	* Tokens which can terminate a "case".
22	*
23	* @var array<int\|string, int\|string>
24	*/
25	private const CASE_TERMINATING_TOKENS = [
26	T_RETURN => T_RETURN,
27	T_BREAK => T_BREAK,
28	T_CONTINUE => T_CONTINUE,
29	T_THROW => T_THROW,
30	T_EXIT => T_EXIT,
31	T_GOTO => T_GOTO,
32	];
33
34	/**
35	* The number of spaces code should be indented.
36	*
37	* @var integer
38	*/
39	public $indent = 4;
40
41
42	/**
43	* Returns an array of tokens this test wants to listen for.
44	*
45	* @return array<int\|string>
46	*/
47	public function register()	3✔
48	{
49	return [T_SWITCH];	3✔
50	}
51
52
53	/**
54	* Processes this test, when one of its tokens is encountered.
55	*
56	* @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
57	* @param int $stackPtr The position of the current token in the
58	* stack passed in $tokens.
59	*
60	* @return void
61	*/
62	public function process(File $phpcsFile, int $stackPtr)	3✔
63	{
64	$tokens = $phpcsFile->getTokens();	3✔
65
66	// We can't process SWITCH statements unless we know where they start and end.
67	if (isset($tokens[$stackPtr]['scope_opener']) === false	3✔
68	\|\| isset($tokens[$stackPtr]['scope_closer']) === false	3✔
69	) {
70	return;	×
71	}
72
73	$switch = $tokens[$stackPtr];	3✔
74	$nextCase = $stackPtr;	3✔
75	$caseAlignment = ($switch['column'] + $this->indent);	3✔
76
77	while (($nextCase = $this->findNextCase($phpcsFile, ($nextCase + 1), $switch['scope_closer'])) !== false) {	3✔
78	if ($tokens[$nextCase]['code'] === T_DEFAULT) {	3✔
79	$type = 'default';	3✔
80	} else {
81	$type = 'case';	3✔
82	}
83
84	if ($tokens[$nextCase]['content'] !== strtolower($tokens[$nextCase]['content'])) {	3✔
85	$expected = strtolower($tokens[$nextCase]['content']);	3✔
86	$error = strtoupper($type) . ' keyword must be lowercase; expected "%s" but found "%s"';	3✔
87	$data = [	2✔
88	$expected,	3✔
89	$tokens[$nextCase]['content'],	3✔
90	];	2✔
91
92	$fix = $phpcsFile->addFixableError($error, $nextCase, $type . 'NotLower', $data);	3✔
93	if ($fix === true) {	3✔
94	$phpcsFile->fixer->replaceToken($nextCase, $expected);	3✔
95	}
96	}
97
98	if ($type === 'case'	3✔
99	&& ($tokens[($nextCase + 1)]['code'] !== T_WHITESPACE	3✔
100	\|\| $tokens[($nextCase + 1)]['content'] !== ' ')	3✔
101	) {
102	$error = 'CASE keyword must be followed by a single space';	3✔
103	$fix = $phpcsFile->addFixableError($error, $nextCase, 'SpacingAfterCase');	3✔
104	if ($fix === true) {	3✔
105	if ($tokens[($nextCase + 1)]['code'] !== T_WHITESPACE) {	3✔
106	$phpcsFile->fixer->addContent($nextCase, ' ');	3✔
107	} else {
108	$phpcsFile->fixer->replaceToken(($nextCase + 1), ' ');	3✔
109	}
110	}
111	}
112
113	$opener = $tokens[$nextCase]['scope_opener'];	3✔
114	$nextCloser = $tokens[$nextCase]['scope_closer'];	3✔
115	if ($tokens[$opener]['code'] === T_COLON) {	3✔
116	if ($tokens[($opener - 1)]['code'] === T_WHITESPACE) {	3✔
117	$error = 'There must be no space before the colon in a ' . strtoupper($type) . ' statement';	3✔
118	$fix = $phpcsFile->addFixableError($error, $nextCase, 'SpaceBeforeColon' . strtoupper($type));	3✔
119	if ($fix === true) {	3✔
120	$phpcsFile->fixer->replaceToken(($opener - 1), '');	3✔
121	}
122	}
123
124	for ($next = ($opener + 1); $next < $nextCloser; $next++) {	3✔
125	if (isset(Tokens::EMPTY_TOKENS[$tokens[$next]['code']]) === false	3✔
126	\|\| (isset(Tokens::COMMENT_TOKENS[$tokens[$next]['code']]) === true	3✔
127	&& $tokens[$next]['line'] !== $tokens[$opener]['line'])	3✔
128	) {
129	break;	3✔
130	}
131	}
132
133	if ($tokens[$next]['line'] !== ($tokens[$opener]['line'] + 1)) {	3✔
134	$error = 'The ' . strtoupper($type) . ' body must start on the line following the statement';	3✔
135	$fix = $phpcsFile->addFixableError($error, $nextCase, 'BodyOnNextLine' . strtoupper($type));	3✔
136	if ($fix === true) {	3✔
137	if ($tokens[$next]['line'] === $tokens[$opener]['line']) {	3✔
138	$padding = str_repeat(' ', ($caseAlignment + $this->indent - 1));	3✔
139	$phpcsFile->fixer->addContentBefore($next, $phpcsFile->eolChar . $padding);	3✔
140	} else {
141	$phpcsFile->fixer->beginChangeset();	3✔
142	for ($i = ($opener + 1); $i < $next; $i++) {	3✔
143	if ($tokens[$i]['line'] === $tokens[$opener]['line']) {	3✔
144	// Ignore trailing comments.
145	continue;	3✔
146	}
147
148	if ($tokens[$i]['line'] === $tokens[$next]['line']) {	3✔
149	break;	3✔
150	}
151
152	$phpcsFile->fixer->replaceToken($i, '');	3✔
153	}
154
155	$phpcsFile->fixer->endChangeset();	3✔
156	}
157	}
158	}
159
160	if ($tokens[$nextCloser]['scope_condition'] === $nextCase) {	3✔
161	// Only need to check some things once, even if the
162	// closer is shared between multiple case statements, or even
163	// the default case.
164	$prev = $phpcsFile->findPrevious(T_WHITESPACE, ($nextCloser - 1), $nextCase, true);	3✔
165	if ($tokens[$prev]['line'] === $tokens[$nextCloser]['line']) {	3✔
166	$error = 'Terminating statement must be on a line by itself';	3✔
167	$fix = $phpcsFile->addFixableError($error, $nextCloser, 'BreakNotNewLine');	3✔
168	if ($fix === true) {	3✔
169	$phpcsFile->fixer->addNewline($prev);	3✔
170	$phpcsFile->fixer->replaceToken($nextCloser, trim($tokens[$nextCloser]['content']));	3✔
171	}
172	} else {
173	$diff = ($tokens[$nextCase]['column'] + $this->indent - $tokens[$nextCloser]['column']);	3✔
174	if ($diff !== 0) {	3✔
175	$error = 'Terminating statement must be indented to the same level as the CASE body';	3✔
176	$fix = $phpcsFile->addFixableError($error, $nextCloser, 'BreakIndent');	3✔
177	if ($fix === true) {	3✔
178	if ($diff > 0) {	3✔
179	$phpcsFile->fixer->addContentBefore($nextCloser, str_repeat(' ', $diff));	3✔
180	} else {
181	$phpcsFile->fixer->substrToken(($nextCloser - 1), 0, $diff);	3✔
182	}
183	}
184	}
185	}
186	}
187	} else {
188	$error = strtoupper($type) . ' statements must be defined using a colon';	3✔
189	if ($tokens[$opener]['code'] === T_SEMICOLON \|\| $tokens[$opener]['code'] === T_CLOSE_TAG) {	3✔
190	$fix = $phpcsFile->addFixableError($error, $nextCase, 'WrongOpener' . $type);	3✔
191	if ($fix === true) {	3✔
192	if ($tokens[$opener]['code'] === T_SEMICOLON) {	3✔
193	$phpcsFile->fixer->replaceToken($opener, ':');	3✔
194	} else {
195	$prevNonEmpty = $phpcsFile->findPrevious(T_WHITESPACE, ($opener - 1), null, true);	3✔
196	$phpcsFile->fixer->addContent($prevNonEmpty, ':');	3✔
197	}
198	}
199	} else {
200	// Probably a case/default statement with colon + curly braces.
201	$error = sprintf('%s statements must not use a braced block after the colon', strtoupper($type));	3✔
202	$phpcsFile->addError($error, $nextCase, 'CaseWithBlockScope');	3✔
203	}
204	}
205
206	// We only want cases from here on in.
207	if ($type !== 'case') {	3✔
208	continue;	3✔
209	}
210
211	$nextCode = $phpcsFile->findNext(T_WHITESPACE, ($opener + 1), $nextCloser, true);	3✔
212
213	if ($tokens[$nextCode]['code'] !== T_CASE && $tokens[$nextCode]['code'] !== T_DEFAULT) {	3✔
214	// This case statement has content. If the next case or default comes
215	// before the closer, it means we don't have an obvious terminating
216	// statement and need to make some more effort to find one. If we
217	// don't, we do need a comment.
218	$nextCode = $this->findNextCase($phpcsFile, ($opener + 1), $nextCloser);	3✔
219	if ($nextCode !== false) {	3✔
220	$prevCode = $phpcsFile->findPrevious(T_WHITESPACE, ($nextCode - 1), $nextCase, true);	3✔
221	if (isset(Tokens::COMMENT_TOKENS[$tokens[$prevCode]['code']]) === false	3✔
222	&& $this->findNestedTerminator($phpcsFile, ($opener + 1), $nextCode) === false	3✔
223	) {
224	$error = 'There must be a comment when fall-through is intentional in a non-empty case body';	3✔
225	$phpcsFile->addError($error, $nextCase, 'TerminatingComment');	3✔
226	}
227	}
228	}
229	}
230	}	1✔
231
232
233	/**
234	* Find the next CASE or DEFAULT statement from a point in the file.
235	*
236	* Note that nested switches are ignored.
237	*
238	* @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
239	* @param int $stackPtr The position to start looking at.
240	* @param int $end The position to stop looking at.
241	*
242	* @return int\|false
243	*/
244	private function findNextCase(File $phpcsFile, int $stackPtr, int $end)	3✔
245	{
246	$tokens = $phpcsFile->getTokens();	3✔
247	while (($stackPtr = $phpcsFile->findNext([T_CASE, T_DEFAULT, T_SWITCH], $stackPtr, $end)) !== false) {	3✔
248	// Skip nested SWITCH statements; they are handled on their own.
249	if ($tokens[$stackPtr]['code'] === T_SWITCH) {	3✔
250	$stackPtr = $tokens[$stackPtr]['scope_closer'];	3✔
251	continue;	3✔
252	}
253
254	break;	3✔
255	}
256
257	return $stackPtr;	3✔
258	}
259
260
261	/**
262	* Returns the position of the nested terminating statement.
263	*
264	* Returns false if no terminating statement was found.
265	*
266	* @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
267	* @param int $stackPtr The position to start looking at.
268	* @param int $end The position to stop looking at.
269	*
270	* @return int\|bool
271	*/
272	private function findNestedTerminator(File $phpcsFile, int $stackPtr, int $end)	3✔
273	{
274	$tokens = $phpcsFile->getTokens();	3✔
275
276	$lastToken = $phpcsFile->findPrevious(Tokens::EMPTY_TOKENS, ($end - 1), $stackPtr, true);	3✔
277	if ($lastToken === false) {	3✔
UNCOV 278	return false;	×
279	}
280
281	if ($tokens[$lastToken]['code'] === T_CLOSE_CURLY_BRACKET) {	3✔
282	// We found a closing curly bracket and want to check if its block
283	// belongs to a SWITCH, IF, ELSEIF or ELSE, TRY, CATCH OR FINALLY clause.
284	// If yes, we continue searching for a terminating statement within that
285	// block. Note that we have to make sure that every block of
286	// the entire if/else/switch statement has a terminating statement.
287	// For a try/catch/finally statement, either the finally block has
288	// to have a terminating statement or every try/catch block has to have one.
289	$currentCloser = $lastToken;	3✔
290	$hasElseBlock = false;	3✔
291	$hasCatchWithoutTerminator = false;	3✔
292	do {
293	$scopeOpener = $tokens[$currentCloser]['scope_opener'];	3✔
294	$scopeCloser = $tokens[$currentCloser]['scope_closer'];	3✔
295
296	$prevToken = $phpcsFile->findPrevious(Tokens::EMPTY_TOKENS, ($scopeOpener - 1), $stackPtr, true);	3✔
297	if ($prevToken === false) {	3✔
UNCOV 298	return false;	×
299	}
300
301	// SWITCH, IF, ELSEIF, CATCH clauses possess a condition we have to account for.
302	if ($tokens[$prevToken]['code'] === T_CLOSE_PARENTHESIS) {	3✔
303	$prevToken = $tokens[$prevToken]['parenthesis_owner'];	3✔
304	}
305
306	if ($tokens[$prevToken]['code'] === T_IF) {	3✔
307	// If we have not encountered an ELSE clause by now, we cannot
308	// be sure that the whole statement terminates in every case.
309	if ($hasElseBlock === false) {	3✔
310	return false;	3✔
311	}
312
313	return $this->findNestedTerminator($phpcsFile, ($scopeOpener + 1), $scopeCloser);	3✔
314	} elseif ($tokens[$prevToken]['code'] === T_ELSEIF	3✔
315	\|\| $tokens[$prevToken]['code'] === T_ELSE	3✔
316	) {
317	// If we find a terminating statement within this block,
318	// we continue with the previous ELSEIF or IF clause.
319	$hasTerminator = $this->findNestedTerminator($phpcsFile, ($scopeOpener + 1), $scopeCloser);	3✔
320	if ($hasTerminator === false) {	3✔
321	return false;	3✔
322	}
323
324	$currentCloser = $phpcsFile->findPrevious(Tokens::EMPTY_TOKENS, ($prevToken - 1), $stackPtr, true);	3✔
325	if ($tokens[$prevToken]['code'] === T_ELSE) {	3✔
326	$hasElseBlock = true;	3✔
327	}
328	} elseif ($tokens[$prevToken]['code'] === T_FINALLY) {	3✔
329	// If we find a terminating statement within this block,
330	// the whole try/catch/finally statement is covered.
331	$hasTerminator = $this->findNestedTerminator($phpcsFile, ($scopeOpener + 1), $scopeCloser);	3✔
332	if ($hasTerminator !== false) {	3✔
333	return $hasTerminator;	3✔
334	}
335
336	// Otherwise, we continue with the previous TRY or CATCH clause.
337	$currentCloser = $phpcsFile->findPrevious(Tokens::EMPTY_TOKENS, ($prevToken - 1), $stackPtr, true);	3✔
338	} elseif ($tokens[$prevToken]['code'] === T_TRY) {	3✔
339	// If we've seen CATCH blocks without terminator statement and
340	// have not seen a FINALLY with a terminator statement, we
341	// don't even need to bother checking the TRY.
342	if ($hasCatchWithoutTerminator === true) {	3✔
343	return false;	3✔
344	}
345
346	return $this->findNestedTerminator($phpcsFile, ($scopeOpener + 1), $scopeCloser);	3✔
347	} elseif ($tokens[$prevToken]['code'] === T_CATCH) {	3✔
348	// Keep track of seen catch statements without terminating statement,
349	// but don't bow out yet as there may still be a FINALLY clause
350	// with a terminating statement before the CATCH.
351	$hasTerminator = $this->findNestedTerminator($phpcsFile, ($scopeOpener + 1), $scopeCloser);	3✔
352	if ($hasTerminator === false) {	3✔
353	$hasCatchWithoutTerminator = true;	3✔
354	}
355
356	$currentCloser = $phpcsFile->findPrevious(Tokens::EMPTY_TOKENS, ($prevToken - 1), $stackPtr, true);	3✔
357	} elseif ($tokens[$prevToken]['code'] === T_SWITCH) {	3✔
358	$hasDefaultBlock = false;	3✔
359	$endOfSwitch = $tokens[$prevToken]['scope_closer'];	3✔
360	$nextCase = $prevToken;	3✔
361
362	// We look for a terminating statement within every blocks.
363	while (($nextCase = $this->findNextCase($phpcsFile, ($nextCase + 1), $endOfSwitch)) !== false) {	3✔
364	if ($tokens[$nextCase]['code'] === T_DEFAULT) {	3✔
365	$hasDefaultBlock = true;	3✔
366	}
367
368	$opener = $tokens[$nextCase]['scope_opener'];	3✔
369
370	$nextCode = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, ($opener + 1), $endOfSwitch, true);	3✔
371	if ($tokens[$nextCode]['code'] === T_CASE \|\| $tokens[$nextCode]['code'] === T_DEFAULT) {	3✔
372	// This case statement has no content, so skip it.
UNCOV 373	continue;	×
374	}
375
376	$endOfCase = $this->findNextCase($phpcsFile, ($opener + 1), $endOfSwitch);	3✔
377	if ($endOfCase === false) {	3✔
378	$endOfCase = $endOfSwitch;	3✔
379	}
380
381	$hasTerminator = $this->findNestedTerminator($phpcsFile, ($opener + 1), $endOfCase);	3✔
382	if ($hasTerminator === false) {	3✔
383	return false;	3✔
384	}
385	}
386
387	// If we have not encountered a DEFAULT block by now, we cannot
388	// be sure that the whole statement terminates in every case.
389	if ($hasDefaultBlock === false) {	3✔
UNCOV 390	return false;	×
391	}
392
393	return $hasTerminator;	3✔
394	} else {
UNCOV 395	return false;	×
396	}
397	} while ($currentCloser !== false && $tokens[$currentCloser]['code'] === T_CLOSE_CURLY_BRACKET);	3✔
398
UNCOV 399	return true;	×
400	} elseif ($tokens[$lastToken]['code'] === T_SEMICOLON) {	3✔
401	// We found the last statement of the CASE. Now we want to
402	// check whether it is a terminating one.
403	$terminator = $phpcsFile->findStartOfStatement(($lastToken - 1));	3✔
404	if (isset(self::CASE_TERMINATING_TOKENS[$tokens[$terminator]['code']]) === true) {	3✔
405	return $terminator;	3✔
406	}
407	}
408
409	return false;	3✔
410	}
411	}

PHPCSStandards / PHP_CodeSniffer / 20855665414

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