PHPCompatibility_Sniffs_PHP_ForbiddenNamesSniff::processNonString() - Code Metrics - Inspection of "Fixes wimg/PHPCompatibility#124" - wimg/PHPCompatibility - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#126)

by Ryan

created 2016-08-02 02:51 UTC

processNonString() C

↳ Parent: PHPCompatibility_Sniffs_PHP_ForbiddenNamesSniff

Complexity

Conditions	10
Paths	5

Size

Total Lines	21
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Importance

Changes	3
Bugs	1	Features	1

Metric	Value
cc	10
eloc	10
c	3
b	1
f	1
nc	5
nop	3
dl	0
loc	21
rs	6.6746

How to fix Complexity

<?php
/**
 * PHPCompatibility_Sniffs_PHP_ForbiddenNamesSniff.
 *
 * PHP version 5.4
 *
 * @category  PHP
 * @package   PHPCompatibility
 * @author    Wim Godden <[email protected]>
 * @copyright 2012 Cu.be Solutions bvba
 */

/**
 * PHPCompatibility_Sniffs_PHP_ForbiddenNamesSniff.
 *
 * Prohibits the use of reserved keywords as class, function, namespace or constant names
 *
 * PHP version 5.4
 *
 * @category  PHP
 * @package   PHPCompatibility
 * @author    Wim Godden <[email protected]>
 * @copyright 2012 Cu.be Solutions bvba
 */
class PHPCompatibility_Sniffs_PHP_ForbiddenNamesSniff extends PHPCompatibility_Sniff
{

    /**
     * A list of keywords that can not be used as function, class and namespace name or constant name
     * Mentions since which version it's not allowed
     *
     * @var array(string => string)
     */
    protected $invalidNames = array(
        'abstract' => '5.0',
        'and' => 'all',
        'array' => 'all',
        'as' => 'all',
        'break' => 'all',
        'callable' => '5.4',
        'case' => 'all',
        'catch' => '5.0',
        'class' => 'all',
        'clone' => '5.0',
        'const' => 'all',
        'continue' => 'all',
        'declare' => 'all',
        'default' => 'all',
        'do' => 'all',
        'else' => 'all',
        'elseif' => 'all',
        'enddeclare' => 'all',
        'endfor' => 'all',
        'endforeach' => 'all',
        'endif' => 'all',
        'endswitch' => 'all',
        'endwhile' => 'all',
        'extends' => 'all',
        'final' => '5.0',
        'finally' => '5.5',
        'for' => 'all',
        'foreach' => 'all',
        'function' => 'all',
        'global' => 'all',
        'goto' => '5.3',
        'if' => 'all',
        'implements' => '5.0',
        'interface' => '5.0',
        'instanceof' => '5.0',
        'insteadof' => '5.4',
        'namespace' => '5.3',
        'new' => 'all',
        'or' => 'all',
        'private' => '5.0',
        'protected' => '5.0',
        'public' => '5.0',
        'static' => 'all',
        'switch' => 'all',
        'throw' => '5.0',
        'trait' => '5.4',
        'try' => '5.0',
        'use' => 'all',
        'var' => 'all',
        'while' => 'all',
        'xor' => 'all',
        '__class__' => 'all',
        '__dir__' => '5.3',
        '__file__' => 'all',
        '__function__' => 'all',
        '__method__' => 'all',
        '__namespace__' => '5.3',
        'bool' => '7.0',
        'int' => '7.0',
        'float' => '7.0',
        'string' => '7.0',
        'null' => '7.0',
        'true' => '7.0',
        'false' => '7.0',
        'resource' => '7.0',
        'object' => '7.0',
        'mixed' => '7.0',
        'numeric' => '7.0'
    );

    /**
     * A list of keywords that can follow use statements.
     * Mentions since which version it's not allowed
     *
     * @var array(string => string)
     */
    protected $validUseNames = array(
        'const' => '5.6',
        'function' => '5.6',
    );

    /**
     * If true, an error will be thrown; otherwise a warning.
     *
     * @var bool
     */
    protected $error = true;

    /**
     * targetedTokens
     *
     * @var array
     */
    protected $targetedTokens = array(T_CLASS, T_FUNCTION, T_NAMESPACE, T_STRING, T_CONST, T_USE, T_AS, T_EXTENDS, T_TRAIT);

    /**
     * Returns an array of tokens this test wants to listen for.
     *
     * @return array
     */
    public function register()
    {
        $tokens = $this->targetedTokens;
        if (defined('T_ANON_CLASS')) {
            $tokens[] = constant('T_ANON_CLASS');
        }
        return $tokens;
    }//end register()

    /**
     * Processes this test, when one of its tokens is encountered.
     *
     * @param PHP_CodeSniffer_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(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();

        /**
         * We distinguish between the class, function and namespace names or the define statements
         */
        if ($tokens[$stackPtr]['type'] == 'T_STRING') {
            $this->processString($phpcsFile, $stackPtr, $tokens);
        } else {
            $this->processNonString($phpcsFile, $stackPtr, $tokens);
        }
    }

    /**
     * Processes this test, when one of its tokens is encountered.
     *
     * @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
     * @param int                  $stackPtr  The position of the current token in the
     *                                        stack passed in $tokens.
     * @param array                $tokens    The stack of tokens that make up
     *                                        the file.
     *
     * @return void
     */
    public function processNonString(PHP_CodeSniffer_File $phpcsFile, $stackPtr, $tokens)
    {
        if (in_array(strtolower($tokens[$stackPtr + 2]['content']), array_keys($this->invalidNames)) === false) {
            return;
        }

        //  PHP 5.6 allows for use const and use function
        if ($tokens[$stackPtr]['type'] == 'T_USE' && in_array(strtolower($tokens[$stackPtr + 2]['content']), array_keys($this->validUseNames)) && $this->supportsAbove($this->validUseNames[strtolower($tokens[$stackPtr + 2]['content'])])) {
            return;
        }

        if (isset($tokens[$stackPtr - 2]) && $tokens[$stackPtr - 2]['type'] == 'T_NEW' && $tokens[$stackPtr - 1]['type'] == 'T_WHITESPACE' && $tokens[$stackPtr]['type'] == 'T_ANON_CLASS') {
            return;
        }
        
        if ($this->supportsAbove($this->invalidNames[strtolower($tokens[$stackPtr + 2]['content'])])) {
            $error = "Function name, class name, namespace name or constant name can not be reserved keyword '" . $tokens[$stackPtr + 2]['content'] . "' (since version " . $this->invalidNames[strtolower($tokens[$stackPtr + 2]['content'])] . ")";
            $phpcsFile->addError($error, $stackPtr);
        }

    }//end process()

    /**
     * Processes this test, when one of its tokens is encountered.
     *
     * @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
     * @param int                  $stackPtr  The position of the current token in the
     *                                        stack passed in $tokens.
     * @param array                $tokens    The stack of tokens that make up
     *                                        the file.
     *
     * @return void
     */
    public function processString(PHP_CodeSniffer_File $phpcsFile, $stackPtr, $tokens)
    {
        // Special case for 5.3 where we want to find usage of traits, but
        // trait is not a token.
        if ($tokens[$stackPtr]['content'] == 'trait') {
            return $this->processNonString($phpcsFile, $stackPtr, $tokens);
        }

        // Look for any define/defined token (both T_STRING ones, blame Tokenizer)
        if ($tokens[$stackPtr]['content'] != 'define' && $tokens[$stackPtr]['content'] != 'defined') {
            return;
        }

        // Look for the end of the define/defined
        $closingParenthesis = $phpcsFile->findNext(T_CLOSE_PARENTHESIS, $stackPtr);
        if ($closingParenthesis === false) {
            return;
        }

        // Look for define name between current position and end of define/defined
        $defineContent = $phpcsFile->findNext(T_CONSTANT_ENCAPSED_STRING, $stackPtr, $closingParenthesis);
        if ($defineContent === false) {
            return;
        }

        foreach ($this->invalidNames as $key => $value) {
            if (substr(strtolower($tokens[$defineContent]['content']), 1, -1) == $key) {
                $error = "Function name, class name, namespace name or constant name can not be reserved keyword '" . $key . "' (since version " . $value . ")";
                $phpcsFile->addError($error, $stackPtr);
            }
        }
    }//end process()

}//end class


1			<?php
2			/**
3			* PHPCompatibility_Sniffs_PHP_ForbiddenNamesSniff.
4			*
5			* PHP version 5.4
6			*
7			* @category PHP
8			* @package PHPCompatibility
9			* @author Wim Godden <[email protected]>
10			* @copyright 2012 Cu.be Solutions bvba
11			*/
12
13			/**
14			* PHPCompatibility_Sniffs_PHP_ForbiddenNamesSniff.
15			*
16			* Prohibits the use of reserved keywords as class, function, namespace or constant names
17			*
18			* PHP version 5.4
19			*
20			* @category PHP
21			* @package PHPCompatibility
22			* @author Wim Godden <[email protected]>
23			* @copyright 2012 Cu.be Solutions bvba
24			*/
25			class PHPCompatibility_Sniffs_PHP_ForbiddenNamesSniff extends PHPCompatibility_Sniff
26			{
27
28			/**
29			* A list of keywords that can not be used as function, class and namespace name or constant name
30			* Mentions since which version it's not allowed
31			*
32			* @var array(string => string)
33			*/
34			protected $invalidNames = array(
35			'abstract' => '5.0',
36			'and' => 'all',
37			'array' => 'all',
38			'as' => 'all',
39			'break' => 'all',
40			'callable' => '5.4',
41			'case' => 'all',
42			'catch' => '5.0',
43			'class' => 'all',
44			'clone' => '5.0',
45			'const' => 'all',
46			'continue' => 'all',
47			'declare' => 'all',
48			'default' => 'all',
49			'do' => 'all',
50			'else' => 'all',
51			'elseif' => 'all',
52			'enddeclare' => 'all',
53			'endfor' => 'all',
54			'endforeach' => 'all',
55			'endif' => 'all',
56			'endswitch' => 'all',
57			'endwhile' => 'all',
58			'extends' => 'all',
59			'final' => '5.0',
60			'finally' => '5.5',
61			'for' => 'all',
62			'foreach' => 'all',
63			'function' => 'all',
64			'global' => 'all',
65			'goto' => '5.3',
66			'if' => 'all',
67			'implements' => '5.0',
68			'interface' => '5.0',
69			'instanceof' => '5.0',
70			'insteadof' => '5.4',
71			'namespace' => '5.3',
72			'new' => 'all',
73			'or' => 'all',
74			'private' => '5.0',
75			'protected' => '5.0',
76			'public' => '5.0',
77			'static' => 'all',
78			'switch' => 'all',
79			'throw' => '5.0',
80			'trait' => '5.4',
81			'try' => '5.0',
82			'use' => 'all',
83			'var' => 'all',
84			'while' => 'all',
85			'xor' => 'all',
86			'__class__' => 'all',
87			'__dir__' => '5.3',
88			'__file__' => 'all',
89			'__function__' => 'all',
90			'__method__' => 'all',
91			'__namespace__' => '5.3',
92			'bool' => '7.0',
93			'int' => '7.0',
94			'float' => '7.0',
95			'string' => '7.0',
96			'null' => '7.0',
97			'true' => '7.0',
98			'false' => '7.0',
99			'resource' => '7.0',
100			'object' => '7.0',
101			'mixed' => '7.0',
102			'numeric' => '7.0'
103			);
104
105			/**
106			* A list of keywords that can follow use statements.
107			* Mentions since which version it's not allowed
108			*
109			* @var array(string => string)
110			*/
111			protected $validUseNames = array(
112			'const' => '5.6',
113			'function' => '5.6',
114			);
115
116			/**
117			* If true, an error will be thrown; otherwise a warning.
118			*
119			* @var bool
120			*/
121			protected $error = true;
122
123			/**
124			* targetedTokens
125			*
126			* @var array
127			*/
128			protected $targetedTokens = array(T_CLASS, T_FUNCTION, T_NAMESPACE, T_STRING, T_CONST, T_USE, T_AS, T_EXTENDS, T_TRAIT);
129
130			/**
131			* Returns an array of tokens this test wants to listen for.
132			*
133			* @return array
134			*/
135			public function register()
136			{
137			$tokens = $this->targetedTokens;
138			if (defined('T_ANON_CLASS')) {
139			$tokens[] = constant('T_ANON_CLASS');
140			}
141			return $tokens;
142			}//end register()
143
144			/**
145			* Processes this test, when one of its tokens is encountered.
146			*
147			* @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
148			* @param int $stackPtr The position of the current token in the
149			* stack passed in $tokens.
150			*
151			* @return void
152			*/
153			public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
154			{
155			$tokens = $phpcsFile->getTokens();
156
157			/**
158			* We distinguish between the class, function and namespace names or the define statements
159			*/
160			if ($tokens[$stackPtr]['type'] == 'T_STRING') {
161			$this->processString($phpcsFile, $stackPtr, $tokens);
162			} else {
163			$this->processNonString($phpcsFile, $stackPtr, $tokens);
164			}
165			}
166
167			/**
168			* Processes this test, when one of its tokens is encountered.
169			*
170			* @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
171			* @param int $stackPtr The position of the current token in the
172			* stack passed in $tokens.
173			* @param array $tokens The stack of tokens that make up
174			* the file.
175			*
176			* @return void
177			*/
178			public function processNonString(PHP_CodeSniffer_File $phpcsFile, $stackPtr, $tokens)
179			{
180			if (in_array(strtolower($tokens[$stackPtr + 2]['content']), array_keys($this->invalidNames)) === false) {
181			return;
182			}
183
184			// PHP 5.6 allows for use const and use function
185			if ($tokens[$stackPtr]['type'] == 'T_USE' && in_array(strtolower($tokens[$stackPtr + 2]['content']), array_keys($this->validUseNames)) && $this->supportsAbove($this->validUseNames[strtolower($tokens[$stackPtr + 2]['content'])])) {
186			return;
187			}
188
189			if (isset($tokens[$stackPtr - 2]) && $tokens[$stackPtr - 2]['type'] == 'T_NEW' && $tokens[$stackPtr - 1]['type'] == 'T_WHITESPACE' && $tokens[$stackPtr]['type'] == 'T_ANON_CLASS') {
190			return;
191			}
192
193			if ($this->supportsAbove($this->invalidNames[strtolower($tokens[$stackPtr + 2]['content'])])) {
194			$error = "Function name, class name, namespace name or constant name can not be reserved keyword '" . $tokens[$stackPtr + 2]['content'] . "' (since version " . $this->invalidNames[strtolower($tokens[$stackPtr + 2]['content'])] . ")";
195			$phpcsFile->addError($error, $stackPtr);
196			}
197
198			}//end process()
199
200			/**
201			* Processes this test, when one of its tokens is encountered.
202			*
203			* @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
204			* @param int $stackPtr The position of the current token in the
205			* stack passed in $tokens.
206			* @param array $tokens The stack of tokens that make up
207			* the file.
208			*
209			* @return void
210			*/
211			public function processString(PHP_CodeSniffer_File $phpcsFile, $stackPtr, $tokens)
212			{
213			// Special case for 5.3 where we want to find usage of traits, but
214			// trait is not a token.
215			if ($tokens[$stackPtr]['content'] == 'trait') {
216			return $this->processNonString($phpcsFile, $stackPtr, $tokens);
217			}
218
219			// Look for any define/defined token (both T_STRING ones, blame Tokenizer)
220			if ($tokens[$stackPtr]['content'] != 'define' && $tokens[$stackPtr]['content'] != 'defined') {
221			return;
222			}
223
224			// Look for the end of the define/defined
225			$closingParenthesis = $phpcsFile->findNext(T_CLOSE_PARENTHESIS, $stackPtr);
226			if ($closingParenthesis === false) {
227			return;
228			}
229
230			// Look for define name between current position and end of define/defined
231			$defineContent = $phpcsFile->findNext(T_CONSTANT_ENCAPSED_STRING, $stackPtr, $closingParenthesis);
232			if ($defineContent === false) {
233			return;
234			}
235
236			foreach ($this->invalidNames as $key => $value) {
237			if (substr(strtolower($tokens[$defineContent]['content']), 1, -1) == $key) {
238			$error = "Function name, class name, namespace name or constant name can not be reserved keyword '" . $key . "' (since version " . $value . ")";
239			$phpcsFile->addError($error, $stackPtr);
240			}
241			}
242			}//end process()
243
244			}//end class
245

wimg / PHPCompatibility

Pull Request — master (#126)

processNonString() C

Complexity

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Duplication

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How to fix Complexity

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