MethodRunner::__construct() - Code Metrics - Inspection of "Added tests for interface implementation functiona..." - NoOne4rever/Axessors - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 09273f...7566be )

by Maxim

created 2017-11-18 17:41 UTC

MethodRunner::__construct() A

↳ Parent: MethodRunner

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	5
dl	0
loc	4
ccs	3
cts	3
cp	1
crap	1
rs	10
c	0
b	0
f	0

<?php
/**
 * This file is a part of "Axessors" library.
 *
 * @author <[email protected]>
 * @license GPL
 */

namespace NoOne4rever\Axessors;

use NoOne4rever\Axessors\Exceptions\{
    AxessorsError,
    TypeError
};

/**
 * Class MethodRunner.
 *
 * Runs a method generated by Axessors.
 *
 * @package NoOne4rever\Axessors
 */
class MethodRunner extends RunningSuit
{
    /** @var string method name */
    private $method;

    /**
     * MethodRunner constructor.
     *
     * @param int $mode running mode
     * @param PropertyData $data property data
     * @param string $class class
     * @param string $method method name
     * @param object|null $object object
     */
    public function __construct(int $mode, PropertyData $data, string $class, string $method, $object = null)
    {
        parent::__construct($mode, $data, $class, $object);
        $this->method = $method;
    }

    /**
     * Emulates execution of the method.
     *
     * @param array $args the arguments of the method called
     * @param string $file filename
     * @param int $line line number
     * 
     * @return mixed return value of the method called
     * @throws AxessorsError if conditions for executing an accessor did not pass
     * @throws AxessorsError if Axessors method not found
     */
    public function run(array $args, string $file, int $line)
    {
        $prefix = substr($this->method, 0, 3);
        if ($prefix == 'get') {
            $this->mode = RunningSuit::OUTPUT_MODE;
            $this->propertyData->reflection->setAccessible(true);
            $value = is_null($this->object) ? $this->propertyData->reflection->getValue() : $this->propertyData->reflection->getValue($this->object);
            $this->propertyData->reflection->setAccessible(false);
            return $this->executeAccessor(RunningSuit::OUTPUT_MODE, $value);
        } elseif ($prefix == 'set') {
            $this->mode = RunningSuit::INPUT_MODE;
            if (!isset($args[0])) {
                throw new AxessorsError("setter could not be called without arguments at $file:$line");
            }
            $value = $this->executeAccessor(RunningSuit::INPUT_MODE, $args[0]);
            $this->propertyData->reflection->setAccessible(true);
            is_null($this->object) ? $this->propertyData->reflection->setValue($value) : $this->propertyData->reflection->setValue($this->object,
                $value);
            $this->propertyData->reflection->setAccessible(false);
            return;
        } else {
            $this->method = str_replace(ucfirst($this->propertyData->getName()), 'PROPERTY', $this->method);
            return $this->runAxessorsMethod($args);
        }
    }

    /**
     * Searches and runs Axessors method.
     *
     * @param array $args method parameters
     * @return mixed result of function
     * @throws AxessorsError if requested method not found
     */
    private function runAxessorsMethod(array $args)
    {
        $this->propertyData->reflection->setAccessible(true);
        $value = $this->propertyData->reflection->getValue($this->object);
        $this->checkType($this->propertyData->getTypeTree(), $value);
        foreach ($this->propertyData->getTypeTree() as $type => $subType) {
            $type = is_int($type) ? $subType : $type;
            $reflection = new \ReflectionClass($type);
            foreach ($reflection->getMethods() as $method) {
                if ($this->isCalledAxessorsMethod($method)) {
                    return $this->executeAxessorsMethod($type, $method->name, $value, $args);
                }
            }
        }
        throw new AxessorsError("method {$this->class}::{$this->method}() not found");
    }

    /**
     * Checks if the method given is called method.
     * 
     * @param \ReflectionMethod $method method
     * @return bool the result of the checkout
     */
    private function isCalledAxessorsMethod(\ReflectionMethod $method): bool 
    {
        $isAccessible = $method->isStatic() && $method->isPublic() && !$method->isAbstract();
        $isCalled = $method->name === "m_in_$this->method" || $method->name === "m_out_$this->method";
        return $isAccessible && $isCalled;
    }
    
    /**
     * Executes Axessors method.
     *
     * @param string $type type name
     * @param string $name method name
     * @param mixed $value value to read/write
     * @param array $args arguments
     * @return mixed function result
     */
    private function executeAxessorsMethod(string $type, string $name, $value, array $args)
    {
        if ($name == "m_in_$this->method") {
            // add support for static properties
            $this->propertyData->reflection->setValue($this->object,
                call_user_func([$type, "m_in_$this->method"], $value, $args));
            $this->propertyData->reflection->setAccessible(false);
            return;
        } elseif ($name == "m_out_$this->method") {
            $result = call_user_func([$type, "m_out_$this->method"], $value, $args);
            $this->propertyData->reflection->setAccessible(false);
            return $result;
        }
    }

    /**
     * Executes complex accessor.
     *
     * @param int $mode running mode
     * @param mixed $value field or argument value
     * @return mixed new value
     * @throws AxessorsError if conditions for accessor did not pass
     */
    private function executeAccessor(int $mode, $value)
    {
        $this->checkType($this->propertyData->getTypeTree(), $value);
        $conditionsSuit = new ConditionsRunner($mode, $this->propertyData, $this->class, $this->method, $this->object);
        if ($conditionsSuit->processConditions($value)) {
            $handlersSuit = new HandlersRunner($mode, $this->propertyData, $this->class, $this->object);
            $value = $handlersSuit->executeHandlers($value);
            return $value;
        } else {
            throw new AxessorsError("conditions for {$this->class}::{$this->method}() did not pass");
        }
    }

    /**
     * Checks if the variable belongs to defined type.
     * 
     * @param mixed $var variable
     * @param string $type type
     * @return bool the result of the checkout
     */
    private function is($var, string $type): bool
    {
        $isExactClass = $var instanceof $type;
        $isAxessorsType = ((new \ReflectionClass($type))->hasMethod('is') && call_user_func([$type, 'is'], $var));
        return $isExactClass || $isAxessorsType;
    }

    /**
     * Checks if the type of new property's value is correct.
     *
     * @param array $typeTree all possible types
     * @param $var mixed new value of the property
     * @throws TypeError if the type of new property's value does not match the type defined in Axessors comment
     */
    private function checkType(array $typeTree, $var): void
    {
        if ($this->mode == RunningSuit::OUTPUT_MODE && is_null($var)) {
            return;
        }
        foreach ($typeTree as $type => $subType) {
            if (is_int($type) && $this->is($var, $subType)) {
                return;
            } elseif (is_iterable($var) && $this->is($var, $type)) {
                foreach ($var as $subVar) {
                    $this->checkType($subType, $subVar);
                }
                return;
            }
        }
        throw new TypeError("not a valid type of {$this->class}::\${$this->propertyData->getName()}");
    }
}

1		<?php
2		/**
3		* This file is a part of "Axessors" library.
4		*
5		* @author <[email protected]>
6		* @license GPL
7		*/
8
9		namespace NoOne4rever\Axessors;
10
11		use NoOne4rever\Axessors\Exceptions\{
12		AxessorsError,
13		TypeError
14		};
15
16		/**
17		* Class MethodRunner.
18		*
19		* Runs a method generated by Axessors.
20		*
21		* @package NoOne4rever\Axessors
22		*/
23		class MethodRunner extends RunningSuit
24		{
25		/** @var string method name */
26		private $method;
27
28		/**
29		* MethodRunner constructor.
30		*
31		* @param int $mode running mode
32		* @param PropertyData $data property data
33		* @param string $class class
34		* @param string $method method name
35		* @param object\|null $object object
36		*/
37	82	public function __construct(int $mode, PropertyData $data, string $class, string $method, $object = null)
38		{
39	82	parent::__construct($mode, $data, $class, $object);
40	82	$this->method = $method;
41	82	}
42
43		/**
44		* Emulates execution of the method.
45		*
46		* @param array $args the arguments of the method called
47		* @param string $file filename
48		* @param int $line line number
49		*
50		* @return mixed return value of the method called
51		* @throws AxessorsError if conditions for executing an accessor did not pass
52		* @throws AxessorsError if Axessors method not found
53		*/
54	82	public function run(array $args, string $file, int $line)
55		{
56	82	$prefix = substr($this->method, 0, 3);
57	82	if ($prefix == 'get') {
58	16	$this->mode = RunningSuit::OUTPUT_MODE;
59	16	$this->propertyData->reflection->setAccessible(true);
60	16	$value = is_null($this->object) ? $this->propertyData->reflection->getValue() : $this->propertyData->reflection->getValue($this->object);
61	16	$this->propertyData->reflection->setAccessible(false);
62	16	return $this->executeAccessor(RunningSuit::OUTPUT_MODE, $value);
63	66	} elseif ($prefix == 'set') {
64	66	$this->mode = RunningSuit::INPUT_MODE;
65	66	if (!isset($args[0])) {
66	1	throw new AxessorsError("setter could not be called without arguments at $file:$line");
67		}
68	65	$value = $this->executeAccessor(RunningSuit::INPUT_MODE, $args[0]);
69	41	$this->propertyData->reflection->setAccessible(true);
70	41	is_null($this->object) ? $this->propertyData->reflection->setValue($value) : $this->propertyData->reflection->setValue($this->object,
71	41	$value);
72	41	$this->propertyData->reflection->setAccessible(false);
73	41	return;
74		} else {
75		$this->method = str_replace(ucfirst($this->propertyData->getName()), 'PROPERTY', $this->method);
76		return $this->runAxessorsMethod($args);
77		}
78		}
79
80		/**
81		* Searches and runs Axessors method.
82		*
83		* @param array $args method parameters
84		* @return mixed result of function
85		* @throws AxessorsError if requested method not found
86		*/
87		private function runAxessorsMethod(array $args)
88		{
89		$this->propertyData->reflection->setAccessible(true);
90		$value = $this->propertyData->reflection->getValue($this->object);
91		$this->checkType($this->propertyData->getTypeTree(), $value);
92		foreach ($this->propertyData->getTypeTree() as $type => $subType) {
93		$type = is_int($type) ? $subType : $type;
94		$reflection = new \ReflectionClass($type);
95		foreach ($reflection->getMethods() as $method) {
96		if ($this->isCalledAxessorsMethod($method)) {
97		return $this->executeAxessorsMethod($type, $method->name, $value, $args);
98		}
99		}
100		}
101		throw new AxessorsError("method {$this->class}::{$this->method}() not found");
102		}
103
104		/**
105		* Checks if the method given is called method.
106		*
107		* @param \ReflectionMethod $method method
108		* @return bool the result of the checkout
109		*/
110		private function isCalledAxessorsMethod(\ReflectionMethod $method): bool
111		{
112		$isAccessible = $method->isStatic() && $method->isPublic() && !$method->isAbstract();
113		$isCalled = $method->name === "m_in_$this->method" \|\| $method->name === "m_out_$this->method";
114		return $isAccessible && $isCalled;
115		}
116
117		/**
118		* Executes Axessors method.
119		*
120		* @param string $type type name
121		* @param string $name method name
122		* @param mixed $value value to read/write
123		* @param array $args arguments
124		* @return mixed function result
125		*/
126		private function executeAxessorsMethod(string $type, string $name, $value, array $args)
127		{
128		if ($name == "m_in_$this->method") {
129		// add support for static properties
130		$this->propertyData->reflection->setValue($this->object,
131		call_user_func([$type, "m_in_$this->method"], $value, $args));
132		$this->propertyData->reflection->setAccessible(false);
133		return;
134		} elseif ($name == "m_out_$this->method") {
135		$result = call_user_func([$type, "m_out_$this->method"], $value, $args);
136		$this->propertyData->reflection->setAccessible(false);
137		return $result;
138		}
139		}
140
141		/**
142		* Executes complex accessor.
143		*
144		* @param int $mode running mode
145		* @param mixed $value field or argument value
146		* @return mixed new value
147		* @throws AxessorsError if conditions for accessor did not pass
148		*/
149	81	private function executeAccessor(int $mode, $value)
150		{
151	81	$this->checkType($this->propertyData->getTypeTree(), $value);
152	75	$conditionsSuit = new ConditionsRunner($mode, $this->propertyData, $this->class, $this->method, $this->object);
153	75	if ($conditionsSuit->processConditions($value)) {
154	56	$handlersSuit = new HandlersRunner($mode, $this->propertyData, $this->class, $this->object);
155	56	$value = $handlersSuit->executeHandlers($value);
156	52	return $value;
157		} else {
158	17	throw new AxessorsError("conditions for {$this->class}::{$this->method}() did not pass");
159		}
160		}
161
162		/**
163		* Checks if the variable belongs to defined type.
164		*
165		* @param mixed $var variable
166		* @param string $type type
167		* @return bool the result of the checkout
168		*/
169	80	private function is($var, string $type): bool
170		{
171	80	$isExactClass = $var instanceof $type;
172	80	$isAxessorsType = ((new \ReflectionClass($type))->hasMethod('is') && call_user_func([$type, 'is'], $var));
173	80	return $isExactClass \|\| $isAxessorsType;
174		}
175
176		/**
177		* Checks if the type of new property's value is correct.
178		*
179		* @param array $typeTree all possible types
180		* @param $var mixed new value of the property
181		* @throws TypeError if the type of new property's value does not match the type defined in Axessors comment
182		*/
183	81	private function checkType(array $typeTree, $var): void
184		{
185	81	if ($this->mode == RunningSuit::OUTPUT_MODE && is_null($var)) {
186	1	return;
187		}
188	80	foreach ($typeTree as $type => $subType) {
189	80	if (is_int($type) && $this->is($var, $subType)) {
190	74	return;
191	8	} elseif (is_iterable($var) && $this->is($var, $type)) {
192	2	foreach ($var as $subVar) {
193	2	$this->checkType($subType, $subVar);
194		}
195	1	return;
196		}
197		}
198	6	throw new TypeError("not a valid type of {$this->class}::\${$this->propertyData->getName()}");
199		}
200		}

NoOne4rever / Axessors

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MethodRunner::__construct() A

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