| 1 |
lars |
1 |
<?php
|
|
|
2 |
/**
|
|
|
3 |
* Squiz_Sniffs_PHP_DisallowComparisonAssignmentSniff.
|
|
|
4 |
*
|
|
|
5 |
* PHP version 5
|
|
|
6 |
*
|
|
|
7 |
* @category PHP
|
|
|
8 |
* @package PHP_CodeSniffer
|
|
|
9 |
* @author Greg Sherwood <gsherwood@squiz.net>
|
|
|
10 |
* @copyright 2006 Squiz Pty Ltd (ABN 77 084 670 600)
|
|
|
11 |
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
|
|
|
12 |
* @version CVS: $Id: DisallowMultipleAssignmentsSniff.php 253707 2008-02-25 00:36:30Z squiz $
|
|
|
13 |
* @link http://pear.php.net/package/PHP_CodeSniffer
|
|
|
14 |
*/
|
|
|
15 |
|
|
|
16 |
/**
|
|
|
17 |
* Squiz_Sniffs_PHP_DisallowComparisonAssignmentSniff.
|
|
|
18 |
*
|
|
|
19 |
* Ensures that the value of a comparison is not assigned to a variable.
|
|
|
20 |
*
|
|
|
21 |
* @category PHP
|
|
|
22 |
* @package PHP_CodeSniffer
|
|
|
23 |
* @author Greg Sherwood <gsherwood@squiz.net>
|
|
|
24 |
* @copyright 2006 Squiz Pty Ltd (ABN 77 084 670 600)
|
|
|
25 |
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
|
|
|
26 |
* @version Release: 1.2.1
|
|
|
27 |
* @link http://pear.php.net/package/PHP_CodeSniffer
|
|
|
28 |
*/
|
|
|
29 |
class Squiz_Sniffs_PHP_DisallowComparisonAssignmentSniff implements PHP_CodeSniffer_Sniff
|
|
|
30 |
{
|
|
|
31 |
|
|
|
32 |
|
|
|
33 |
/**
|
|
|
34 |
* Returns an array of tokens this test wants to listen for.
|
|
|
35 |
*
|
|
|
36 |
* @return array
|
|
|
37 |
*/
|
|
|
38 |
public function register()
|
|
|
39 |
{
|
|
|
40 |
return array(T_EQUAL);
|
|
|
41 |
|
|
|
42 |
}//end register()
|
|
|
43 |
|
|
|
44 |
|
|
|
45 |
/**
|
|
|
46 |
* Processes this test, when one of its tokens is encountered.
|
|
|
47 |
*
|
|
|
48 |
* @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
|
|
|
49 |
* @param int $stackPtr The position of the current token
|
|
|
50 |
* in the stack passed in $tokens.
|
|
|
51 |
*
|
|
|
52 |
* @return void
|
|
|
53 |
*/
|
|
|
54 |
public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
|
|
|
55 |
{
|
|
|
56 |
$tokens = $phpcsFile->getTokens();
|
|
|
57 |
|
|
|
58 |
// Ignore default value assignments in function definitions.
|
|
|
59 |
$function = $phpcsFile->findPrevious(T_FUNCTION, ($stackPtr - 1));
|
|
|
60 |
if ($function !== false) {
|
|
|
61 |
$opener = $tokens[$function]['parenthesis_opener'];
|
|
|
62 |
$closer = $tokens[$function]['parenthesis_closer'];
|
|
|
63 |
if ($opener < $stackPtr && $closer > $stackPtr) {
|
|
|
64 |
return;
|
|
|
65 |
}
|
|
|
66 |
}
|
|
|
67 |
|
|
|
68 |
// Ignore function calls.
|
|
|
69 |
$ignore = array(
|
|
|
70 |
T_STRING,
|
|
|
71 |
T_WHITESPACE,
|
|
|
72 |
T_OBJECT_OPERATOR,
|
|
|
73 |
);
|
|
|
74 |
|
|
|
75 |
$next = $phpcsFile->findNext($ignore, ($stackPtr + 1), null, true);
|
|
|
76 |
if ($tokens[$next]['code'] === T_OPEN_PARENTHESIS
|
|
|
77 |
&& $tokens[($next - 1)]['code'] === T_STRING
|
|
|
78 |
) {
|
|
|
79 |
// Code will look like: $var = myFunction(
|
|
|
80 |
// and will be ignored.
|
|
|
81 |
return;
|
|
|
82 |
}
|
|
|
83 |
|
|
|
84 |
$endStatement = $phpcsFile->findNext(T_SEMICOLON, ($stackPtr + 1));
|
|
|
85 |
for ($i = ($stackPtr + 1); $i < $endStatement; $i++) {
|
|
|
86 |
if (in_array($tokens[$i]['code'], PHP_CodeSniffer_Tokens::$comparisonTokens) === true) {
|
|
|
87 |
$error = 'The value of a comparison must not be assigned to a varaible';
|
|
|
88 |
$phpcsFile->addError($error, $stackPtr);
|
|
|
89 |
break;
|
|
|
90 |
}
|
|
|
91 |
|
|
|
92 |
if (in_array($tokens[$i]['code'], PHP_CodeSniffer_Tokens::$booleanOperators) === true
|
|
|
93 |
|| $tokens[$i]['code'] === T_BOOLEAN_NOT
|
|
|
94 |
) {
|
|
|
95 |
$error = 'The value of a boolean operation must not be assigned to a varaible';
|
|
|
96 |
$phpcsFile->addError($error, $stackPtr);
|
|
|
97 |
break;
|
|
|
98 |
}
|
|
|
99 |
}
|
|
|
100 |
|
|
|
101 |
}//end process()
|
|
|
102 |
|
|
|
103 |
|
|
|
104 |
}//end class
|
|
|
105 |
|
|
|
106 |
?>
|