MethodExtractor::extractVisibility() - Code Metrics - Halleck45/PhpMetrics - Measure and Improve Code Quality continuously with Scrutinizer

MethodExtractor::extractVisibility() A
last analyzed 2015-12-15 11:18 UTC

↳ Parent: MethodExtractor

Complexity

Conditions	4
Paths	4

Size

Total Lines	16
Code Lines	14

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	16
rs	9.2
cc	4
eloc	14
nc	4
nop	3

<?php

/*
 * (c) Jean-François Lépine <https://twitter.com/Halleck45>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Hal\Component\OOP\Extractor;
use Hal\Component\OOP\Reflected\MethodUsage;
use Hal\Component\OOP\Reflected\ReflectedArgument;
use Hal\Component\OOP\Reflected\ReflectedClass;
use Hal\Component\OOP\Reflected\ReflectedClass\ReflectedAnonymousClass;
use Hal\Component\OOP\Reflected\ReflectedMethod;
use Hal\Component\OOP\Reflected\ReflectedReturn;
use Hal\Component\OOP\Resolver\TypeResolver;
use Hal\Component\Token\TokenCollection;


/**
 * Extracts info about classes in one file
 * Remember that one file can contains multiple classes
 *
 * @author Jean-François Lépine <https://twitter.com/Halleck45>
 */
class MethodExtractor implements ExtractorInterface {

    /**
     * @var Searcher
     */
    private $searcher;

    /**
     * Constructor
     *
     * @param Searcher $searcher
     */
    public function __construct(Searcher $searcher)
    {
        $this->searcher = $searcher;
    }

    /**
     * Extract method from position
     *
     * @param int $n
     * @param TokenCollection$tokens
     * @return ReflectedMethod
     * @param ReflectedClass
     * @throws \Exception
     */
    public function extract(&$n, TokenCollection $tokens, $currentClass = null)
    {
        $start = $n;

        $declaration = $this->searcher->getUnder(array(')'), $n, $tokens);
        if(!preg_match('!function\s+(.*)\(\s*(.*)!is', $declaration, $matches)) {
            throw new \Exception(sprintf("Closure detected instead of method\nDetails:\n%s", $declaration));
        }
        list(, $name, $args) = $matches;
        $method = new ReflectedMethod($name);

        // visibility
        $this->extractVisibility($method, $p = $start, $tokens); // please keep "p = start"

        // state
        $this->extractState($method, $p = $start, $tokens); // please keep "p = start"

        $arguments = preg_split('!\s*,\s*!m', $args);
        foreach($arguments as $argDecl) {

            if(0 == strlen($argDecl)) {
                continue;
            }

            $elems = preg_split('!([\s=]+)!', $argDecl);
            $isRequired = 2 == sizeof($elems, COUNT_NORMAL);

            if(sizeof($elems, COUNT_NORMAL) == 1) {
                list($name, $type) = array_pad($elems, 2, null);
            } else {
                if('$' == $elems[0][0]) {
                    $name = $elems[0];
                    $type  = null;
                    $isRequired = false;
                } else {
                    list($type, $name) = array_pad($elems, 2, null);
                }
            }

            $argument = new ReflectedArgument($name, $type, $isRequired);
            $method->pushArgument($argument);
        }



        // does method has body ? (example: interface ; abstract classes)
        $p = $n  + 1;
        $underComma = trim($this->searcher->getUnder(array(';'), $p, $tokens));
        if(strlen($underComma) > 0) {
            //
            // Body
            $this->extractContent($method, $n, $tokens);

            // Calls
            $this->extractCalls($method, $n, $tokens);

            // Tokens
            $end = $this->searcher->getPositionOfClosingBrace($n, $tokens);
            if($end > 0) {
                $method->setTokens($tokens->extract($n, $end));
            }
        } else {
            $method->setTokens($tokens->extract(0, $n));
        }

        //
        // Dependencies
        $this->extractDependencies($method, 0, $method->getTokens(), $currentClass);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);

        // returns
        $p = $start;
        $this->extractReturns($method, $p, $tokens);

        // usage
        $this->extractUsage($method);

        return $method;
    }

    /**
     * Extracts visibility
     *
     * @param ReflectedMethod $method
     * @param $n
     * @param TokenCollection $tokens
     * @return $this
     */
    public function extractVisibility(ReflectedMethod $method, $n, TokenCollection $tokens) {
        switch(true) {
            case $this->searcher->isPrecededBy(T_PRIVATE, $n, $tokens, 4):
                $visibility = ReflectedMethod::VISIBILITY_PRIVATE;
                break;
            case $this->searcher->isPrecededBy(T_PROTECTED, $n, $tokens, 4):
                $visibility = ReflectedMethod::VISIBILITY_PROTECTED;
                break;
        case $this->searcher->isPrecededBy(T_PUBLIC, $n, $tokens, 4):
                default:
                $visibility = ReflectedMethod::VISIBILITY_PUBLIC;
                break;
        }
        $method->setVisibility($visibility);
        return $this;
    }

    /**
     * Extracts state
     *
     * @param ReflectedMethod $method
     * @param $n
     * @param TokenCollection $tokens
     * @return $this
     */
    public function extractState(ReflectedMethod $method, $n, TokenCollection $tokens) {
        if($this->searcher->isPrecededBy(T_STATIC, $n, $tokens, 4)) {
            $method->setState(ReflectedMethod::STATE_STATIC);
        }
        return $this;
    }

    /**
     * Extracts content of method
     *
     * @param ReflectedMethod $method
     * @param integer $n
     * @param TokenCollection $tokens
     * @return $this
     */
    private function extractContent(ReflectedMethod $method, $n, TokenCollection $tokens) {
        $end = $this->searcher->getPositionOfClosingBrace($n, $tokens);
        if($end > 0) {
            $collection = $tokens->extract($n, $end);
            $method->setContent($collection->asString());
        }
        return $this;
    }

    /**
     * Extracts content of method
     *
     * @param ReflectedMethod $method
     * @param integer $n
     * @param TokenCollection $tokens
     * @param ReflectedClass $currentClass
     * @return $this
     */
    private function extractDependencies(ReflectedMethod $method, $n, TokenCollection $tokens, ReflectedClass $currentClass = null) {

        //
        // Object creation
        $extractor = new CallExtractor($this->searcher, $currentClass);
        $start = $n;
        $len = sizeof($tokens, COUNT_NORMAL);
        for($i = $start; $i < $len; $i++) {
            $token = $tokens[$i];
            switch($token->getType()) {
                case T_PAAMAYIM_NEKUDOTAYIM:
                case T_NEW:
                    $call = $extractor->extract($i, $tokens, $currentClass);

                    if($call !== 'class') { // anonymous class
                        $method->pushDependency($call);
                        $method->pushInstanciedClass($call);
                    }
                    break;
            }
        }

        //
        // Parameters in Method API
        $resolver = new TypeResolver();
        foreach($method->getArguments() as $argument) {
            $name = $argument->getType();
            if(strlen($name) > 0 && !$resolver->isNative($name)) {
                $method->pushDependency($name);
            }
        }

        return $this;
    }

    /**
     * Extracts calls of method
     *
     * @param ReflectedMethod $method
     * @param integer $n
     * @param TokenCollection $tokens
     * @return $this
     */
    private function extractCalls(ReflectedMethod $method, $n, TokenCollection $tokens) {


        // $this->foo(), $c->foo()
        if(preg_match_all('!(\$[\w]*)\-\>(\w*?)\(!', $method->getContent(), $matches, PREG_SET_ORDER)) {
            foreach($matches as $m) {
                $function = $m[2];
                if('$this' == $m[1]) {
                    $method->pushInternalCall($function);
                } else {
                    $method->pushExternalCall($m[1], $function);

                }
            }
        }
        // (new X)->foo()
        if(preg_match_all('!\(new (\w+?).*?\)\->(\w+)\(!', $method->getContent(), $matches, PREG_SET_ORDER)) {
            foreach($matches as $m) {
                $method->pushExternalCall($m[1], $m[2]);

            }
        }
    }

    /**
     * Extract the list of returned values
     *
     * @param ReflectedMethod $method
     * @return $this
     */
    private function extractReturns(ReflectedMethod $method, $n, TokenCollection $tokens) {

        $resolver = new TypeResolver();

        // PHP 7
        // we cannot use specific token. The ":" delimiter is a T_STRING token
        // in regex we match ":" followed by any character except another ":"
        $following = $this->searcher->getUnder(array('{', ';'), $n, $tokens);
        if(preg_match('@(?<!:):\s*(\w+)@', $following, $matches)) {
            $type = trim($matches[1]);
            if(empty($type)) {
                return $this;
            }
            $return = new ReflectedReturn($type, ReflectedReturn::VALUE_UNKNOW, ReflectedReturn::STRICT_TYPE_HINT);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            $method->pushReturn($return);
            return $this;
        }

        // array of available values based on code
        if(preg_match_all('!([\s;]return\s|^return\s+)(.*?);!', $method->getContent(), $matches)) {
            foreach($matches[2] as $m) {
                $value = trim($m, ";\t\n\r\0\x0B");
                $return = new ReflectedReturn($resolver->resolve($m), $value, ReflectedReturn::ESTIMATED_TYPE_HINT);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                $method->pushReturn($return);
            }
        }
        return $this;
    }

    /**
     * Extracts usage of method
     *
     * @param ReflectedMethod $method
     * @return $this
     */
    private function extractUsage(ReflectedMethod $method) {
        $tokens = $method->getTokens();
        $codes = $values = array();
        foreach($tokens as $token) {
            if(in_array($token->getType(), array(T_WHITESPACE, T_BOOL_CAST, T_INT_CAST, T_STRING_CAST, T_DOUBLE_CAST, T_OBJECT_CAST))) {
                continue;
            }
            array_push($codes, $token->getType());
            array_push($values, $token->getValue());
        }
        switch(true) {
            case preg_match('!^(get)|(is)|(has).*!',$method->getName()) && $codes == array(T_RETURN, T_VARIABLE, T_OBJECT_OPERATOR, T_STRING, T_STRING):
                $method->setUsage(MethodUsage::USAGE_GETTER);
                break;
            // basic setter
            case preg_match('!^set.*!',$method->getName()) && $codes == array(T_VARIABLE, T_OBJECT_OPERATOR,T_STRING,T_STRING, T_VARIABLE, T_STRING) && $values[3] == '=':
            // fluent setter
            case preg_match('!^set.*!',$method->getName()) && $codes == array(T_VARIABLE, T_OBJECT_OPERATOR,T_STRING,T_STRING, T_VARIABLE, T_STRING, T_RETURN, T_VARIABLE, T_STRING)
                && $values[3] == '=' && $values[7] == '$this':
                $method->setUsage(MethodUsage::USAGE_SETTER);
                break;
            default:
                $method->setUsage(MethodUsage::USAGE_UNKNWON);
        }
        return $this;
    }
}


1			<?php
2
3			/*
4			* (c) Jean-François Lépine <https://twitter.com/Halleck45>
5			*
6			* For the full copyright and license information, please view the LICENSE
7			* file that was distributed with this source code.
8			*/
9
10			namespace Hal\Component\OOP\Extractor;
11			use Hal\Component\OOP\Reflected\MethodUsage;
12			use Hal\Component\OOP\Reflected\ReflectedArgument;
13			use Hal\Component\OOP\Reflected\ReflectedClass;
14			use Hal\Component\OOP\Reflected\ReflectedClass\ReflectedAnonymousClass;
15			use Hal\Component\OOP\Reflected\ReflectedMethod;
16			use Hal\Component\OOP\Reflected\ReflectedReturn;
17			use Hal\Component\OOP\Resolver\TypeResolver;
18			use Hal\Component\Token\TokenCollection;
19
20
21			/**
22			* Extracts info about classes in one file
23			* Remember that one file can contains multiple classes
24			*
25			* @author Jean-François Lépine <https://twitter.com/Halleck45>
26			*/
27			class MethodExtractor implements ExtractorInterface {
28
29			/**
30			* @var Searcher
31			*/
32			private $searcher;
33
34			/**
35			* Constructor
36			*
37			* @param Searcher $searcher
38			*/
39			public function __construct(Searcher $searcher)
40			{
41			$this->searcher = $searcher;
42			}
43
44			/**
45			* Extract method from position
46			*
47			* @param int $n
48			* @param TokenCollection$tokens
49			* @return ReflectedMethod
50			* @param ReflectedClass
51			* @throws \Exception
52			*/
53			public function extract(&$n, TokenCollection $tokens, $currentClass = null)
54			{
55			$start = $n;
56
57			$declaration = $this->searcher->getUnder(array(')'), $n, $tokens);
58			if(!preg_match('!function\s+(.)\(\s(.*)!is', $declaration, $matches)) {
59			throw new \Exception(sprintf("Closure detected instead of method\nDetails:\n%s", $declaration));
60			}
61			list(, $name, $args) = $matches;
62			$method = new ReflectedMethod($name);
63
64			// visibility
65			$this->extractVisibility($method, $p = $start, $tokens); // please keep "p = start"
66
67			// state
68			$this->extractState($method, $p = $start, $tokens); // please keep "p = start"
69
70			$arguments = preg_split('!\s,\s!m', $args);
71			foreach($arguments as $argDecl) {
72
73			if(0 == strlen($argDecl)) {
74			continue;
75			}
76
77			$elems = preg_split('!([\s=]+)!', $argDecl);
78			$isRequired = 2 == sizeof($elems, COUNT_NORMAL);
79
80			if(sizeof($elems, COUNT_NORMAL) == 1) {
81			list($name, $type) = array_pad($elems, 2, null);
82			} else {
83			if('$' == $elems[0][0]) {
84			$name = $elems[0];
85			$type = null;
86			$isRequired = false;
87			} else {
88			list($type, $name) = array_pad($elems, 2, null);
89			}
90			}
91
92			$argument = new ReflectedArgument($name, $type, $isRequired);
93			$method->pushArgument($argument);
94			}
95
96
97
98			// does method has body ? (example: interface ; abstract classes)
99			$p = $n + 1;
100			$underComma = trim($this->searcher->getUnder(array(';'), $p, $tokens));
101			if(strlen($underComma) > 0) {
102			//
103			// Body
104			$this->extractContent($method, $n, $tokens);
105
106			// Calls
107			$this->extractCalls($method, $n, $tokens);
108
109			// Tokens
110			$end = $this->searcher->getPositionOfClosingBrace($n, $tokens);
111			if($end > 0) {
112			$method->setTokens($tokens->extract($n, $end));
113			}
114			} else {
115			$method->setTokens($tokens->extract(0, $n));
116			}
117
118			//
119			// Dependencies
120			$this->extractDependencies($method, 0, $method->getTokens(), $currentClass);
			0 ignored issues – show Documentation introduced 2015-12-07 16:11 UTC by Report Bug Copy Issue Report `$method->getTokens()` is of type `array`, but the function expects a `object<Hal\Component\Token\TokenCollection>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
121
122			// returns
123			$p = $start;
124			$this->extractReturns($method, $p, $tokens);
125
126			// usage
127			$this->extractUsage($method);
128
129			return $method;
130			}
131
132			/**
133			* Extracts visibility
134			*
135			* @param ReflectedMethod $method
136			* @param $n
137			* @param TokenCollection $tokens
138			* @return $this
139			*/
140			public function extractVisibility(ReflectedMethod $method, $n, TokenCollection $tokens) {
141			switch(true) {
142			case $this->searcher->isPrecededBy(T_PRIVATE, $n, $tokens, 4):
143			$visibility = ReflectedMethod::VISIBILITY_PRIVATE;
144			break;
145			case $this->searcher->isPrecededBy(T_PROTECTED, $n, $tokens, 4):
146			$visibility = ReflectedMethod::VISIBILITY_PROTECTED;
147			break;
148			case $this->searcher->isPrecededBy(T_PUBLIC, $n, $tokens, 4):
149			default:
150			$visibility = ReflectedMethod::VISIBILITY_PUBLIC;
151			break;
152			}
153			$method->setVisibility($visibility);
154			return $this;
155			}
156
157			/**
158			* Extracts state
159			*
160			* @param ReflectedMethod $method
161			* @param $n
162			* @param TokenCollection $tokens
163			* @return $this
164			*/
165			public function extractState(ReflectedMethod $method, $n, TokenCollection $tokens) {
166			if($this->searcher->isPrecededBy(T_STATIC, $n, $tokens, 4)) {
167			$method->setState(ReflectedMethod::STATE_STATIC);
168			}
169			return $this;
170			}
171
172			/**
173			* Extracts content of method
174			*
175			* @param ReflectedMethod $method
176			* @param integer $n
177			* @param TokenCollection $tokens
178			* @return $this
179			*/
180			private function extractContent(ReflectedMethod $method, $n, TokenCollection $tokens) {
181			$end = $this->searcher->getPositionOfClosingBrace($n, $tokens);
182			if($end > 0) {
183			$collection = $tokens->extract($n, $end);
184			$method->setContent($collection->asString());
185			}
186			return $this;
187			}
188
189			/**
190			* Extracts content of method
191			*
192			* @param ReflectedMethod $method
193			* @param integer $n
194			* @param TokenCollection $tokens
195			* @param ReflectedClass $currentClass
196			* @return $this
197			*/
198			private function extractDependencies(ReflectedMethod $method, $n, TokenCollection $tokens, ReflectedClass $currentClass = null) {
199
200			//
201			// Object creation
202			$extractor = new CallExtractor($this->searcher, $currentClass);
203			$start = $n;
204			$len = sizeof($tokens, COUNT_NORMAL);
205			for($i = $start; $i < $len; $i++) {
206			$token = $tokens[$i];
207			switch($token->getType()) {
208			case T_PAAMAYIM_NEKUDOTAYIM:
209			case T_NEW:
210			$call = $extractor->extract($i, $tokens, $currentClass);
			0 ignored issues – show Unused Code introduced 2015-12-08 09:55 UTC by Report Bug Copy Issue Report The call to `CallExtractor::extract()` has too many arguments starting with `$currentClass`. This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue. If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. In this case you can add the `@ignore` PhpDoc annotation to the duplicate definition and it will be ignored. Loading history...
211			if($call !== 'class') { // anonymous class
212			$method->pushDependency($call);
213			$method->pushInstanciedClass($call);
214			}
215			break;
216			}
217			}
218
219			//
220			// Parameters in Method API
221			$resolver = new TypeResolver();
222			foreach($method->getArguments() as $argument) {
223			$name = $argument->getType();
224			if(strlen($name) > 0 && !$resolver->isNative($name)) {
225			$method->pushDependency($name);
226			}
227			}
228
229			return $this;
230			}
231
232			/**
233			* Extracts calls of method
234			*
235			* @param ReflectedMethod $method
236			* @param integer $n
237			* @param TokenCollection $tokens
238			* @return $this
239			*/
240			private function extractCalls(ReflectedMethod $method, $n, TokenCollection $tokens) {
			0 ignored issues – show Unused Code introduced 2015-12-07 16:11 UTC by Report Bug Copy Issue Report The parameter `$n` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history... Unused Code introduced 2015-12-07 16:11 UTC by Report Bug Copy Issue Report The parameter `$tokens` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
241
242			// $this->foo(), $c->foo()
243			if(preg_match_all('!(\$[\w])\-\>(\w?)\(!', $method->getContent(), $matches, PREG_SET_ORDER)) {
244			foreach($matches as $m) {
245			$function = $m[2];
246			if('$this' == $m[1]) {
247			$method->pushInternalCall($function);
248			} else {
249			$method->pushExternalCall($m[1], $function);
			0 ignored issues – show Unused Code introduced 2015-12-07 16:11 UTC by Report Bug Copy Issue Report The call to `ReflectedMethod::pushExternalCall()` has too many arguments starting with `$function`. This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue. If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. In this case you can add the `@ignore` PhpDoc annotation to the duplicate definition and it will be ignored. Loading history...
250			}
251			}
252			}
253			// (new X)->foo()
254			if(preg_match_all('!\(new (\w+?).*?\)\->(\w+)\(!', $method->getContent(), $matches, PREG_SET_ORDER)) {
255			foreach($matches as $m) {
256			$method->pushExternalCall($m[1], $m[2]);
			0 ignored issues – show Unused Code introduced 2015-12-07 16:11 UTC by Report Bug Copy Issue Report The call to `ReflectedMethod::pushExternalCall()` has too many arguments starting with `$m[2]`. This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue. If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. In this case you can add the `@ignore` PhpDoc annotation to the duplicate definition and it will be ignored. Loading history...
257			}
258			}
259			}
260
261			/**
262			* Extract the list of returned values
263			*
264			* @param ReflectedMethod $method
265			* @return $this
266			*/
267			private function extractReturns(ReflectedMethod $method, $n, TokenCollection $tokens) {
268
269			$resolver = new TypeResolver();
270
271			// PHP 7
272			// we cannot use specific token. The ":" delimiter is a T_STRING token
273			// in regex we match ":" followed by any character except another ":"
274			$following = $this->searcher->getUnder(array('{', ';'), $n, $tokens);
275			if(preg_match('@(?<!:):\s*(\w+)@', $following, $matches)) {
276			$type = trim($matches[1]);
277			if(empty($type)) {
278			return $this;
279			}
280			$return = new ReflectedReturn($type, ReflectedReturn::VALUE_UNKNOW, ReflectedReturn::STRICT_TYPE_HINT);
			1 ignored issue – show Documentation introduced 2015-12-15 11:18 UTC by Report Bug Copy Issue Report `$type` is of type `string`, but the function expects a `null`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
281			$method->pushReturn($return);
282			return $this;
283			}
284
285			// array of available values based on code
286			if(preg_match_all('!([\s;]return\s\|^return\s+)(.*?);!', $method->getContent(), $matches)) {
287			foreach($matches[2] as $m) {
288			$value = trim($m, ";\t\n\r\0\x0B");
289			$return = new ReflectedReturn($resolver->resolve($m), $value, ReflectedReturn::ESTIMATED_TYPE_HINT);
			1 ignored issue – show Documentation introduced 2015-12-15 11:18 UTC by Report Bug Copy Issue Report `$resolver->resolve($m)` is of type `string`, but the function expects a `null`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
290			$method->pushReturn($return);
291			}
292			}
293			return $this;
294			}
295
296			/**
297			* Extracts usage of method
298			*
299			* @param ReflectedMethod $method
300			* @return $this
301			*/
302			private function extractUsage(ReflectedMethod $method) {
303			$tokens = $method->getTokens();
304			$codes = $values = array();
305			foreach($tokens as $token) {
306			if(in_array($token->getType(), array(T_WHITESPACE, T_BOOL_CAST, T_INT_CAST, T_STRING_CAST, T_DOUBLE_CAST, T_OBJECT_CAST))) {
307			continue;
308			}
309			array_push($codes, $token->getType());
310			array_push($values, $token->getValue());
311			}
312			switch(true) {
313			case preg_match('!^(get)\|(is)\|(has).*!',$method->getName()) && $codes == array(T_RETURN, T_VARIABLE, T_OBJECT_OPERATOR, T_STRING, T_STRING):
314			$method->setUsage(MethodUsage::USAGE_GETTER);
315			break;
316			// basic setter
317			case preg_match('!^set.*!',$method->getName()) && $codes == array(T_VARIABLE, T_OBJECT_OPERATOR,T_STRING,T_STRING, T_VARIABLE, T_STRING) && $values[3] == '=':
318			// fluent setter
319			case preg_match('!^set.*!',$method->getName()) && $codes == array(T_VARIABLE, T_OBJECT_OPERATOR,T_STRING,T_STRING, T_VARIABLE, T_STRING, T_RETURN, T_VARIABLE, T_STRING)
320			&& $values[3] == '=' && $values[7] == '$this':
321			$method->setUsage(MethodUsage::USAGE_SETTER);
322			break;
323			default:
324			$method->setUsage(MethodUsage::USAGE_UNKNWON);
325			}
326			return $this;
327			}
328			}
329

Halleck45 / PhpMetrics

MethodExtractor::extractVisibility() A last analyzed 2015-12-15 11:18 UTC

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MethodExtractor::extractVisibility() A
last analyzed 2015-12-15 11:18 UTC