DeferredCallChain::__invoke() - Code Metrics - Inspection of "Support type/class/interface filter and predefined..." - jclaveau/php-deferred-callchain - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by Jean

created 2019-11-04 01:01 UTC

DeferredCallChain::__invoke() C

↳ Parent: DeferredCallChain

Complexity

Conditions	13
Paths	35

Size

Total Lines	51
Code Lines	28

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
eloc	28
dl	0
loc	51
rs	6.6166
c	2
b	0
f	0
cc	13
nc	35
nop	1

How to fix Long Method Complexity

<?php
/**
 * DeferredCallChain
 *
 * @package php-deferred-callchain
 * @author  Jean Claveau
 */
namespace JClaveau\Async;
use       JClaveau\Async\Exceptions\BadTargetClassException;
use       JClaveau\Async\Exceptions\BadTargetTypeException;
use       JClaveau\Async\Exceptions\UndefinedTargetClassException;
use       JClaveau\Async\Exceptions\BadTargetInterfaceException;
use       BadMethodCallException;

/**
 * This class stores an arbitrary stack of calls (methods or array entries access)
 * that will be callable on any future variable.
 */
class DeferredCallChain implements \JsonSerializable, \ArrayAccess
{
    use \JClaveau\Traits\Fluent\New_;
    
    /** @var array $stack The stack of deferred calls */
    protected $stack = [];

    /** @var mixed $expectedTarget The stack of deferred calls */
    protected $expectedTarget;

    /**
     * Constructor 
     * 
     * @param string $key The entry to acces
     */
    public function __construct($class_type_or_instance=null)
    {
        if ($class_type_or_instance) {
            $this->expectedTarget = $class_type_or_instance;
        }
    }

    /**
     * ArrayAccess interface
     *
     * @param string $key The entry to acces
     */
    public function &offsetGet($key)
    {
        $this->stack[] = [
            'entry' => $key,
        ];

        return $this;
    }

    /**
     * Stores any call in the the stack.
     *
     * @param  string $method
     * @param  array  $arguments
     *
     * @return $this
     */
    public final function __call($method, array $arguments)
    {
        $this->stack[] = [
            'method'    => $method,
            'arguments' => $arguments,
        ];

        return $this;
    }

    /**
     * For implementing JsonSerializable interface.
     *
     * @see https://secure.php.net/manual/en/jsonserializable.jsonserialize.php
     */
    public function jsonSerialize()
    {
        return $this->stack;
    }

    /**
     * Outputs the PHP code producing the current call chain while it's casted
     * as a string.
     *
     * @return string The PHP code corresponding to this call chain
     */
    public function __toString()
    {
        $string = '(new ' . get_called_class() . ')';

        foreach ($this->stack as $i => $call) {
            if (isset($call['method'])) {
                $string .= '->';
                $string .= $call['method'].'(';
                $string .= implode(', ', array_map(function($argument) {
                    return var_export($argument, true);
                }, $call['arguments']));
                $string .= ')';
            }
            else {
                $string .= '[' . var_export($call['entry'], true) . ']';
            }
        }

        return $string;
    }

    /**
     * Invoking the instance produces the call of the stack
     *
     * @param  $target The target to apply the callchain on
filter:
    dependency_paths: ["lib/*"]
     * @return The value returned once the call chain is called uppon $target
     */
    public function __invoke($target=null)
    {
        if (is_object($this->expectedTarget)) {
            if ($target) {
                throw new TargetAlreadyDefinedException($this, $this->expectedTarget, $target);
filter:
    dependency_paths: ["lib/*"]
            }
            
            $out = $this->expectedTarget;
        }
        elseif (is_string($this->expectedTarget)) {
            if (class_exists($this->expectedTarget)) {
                if (! $target instanceof $this->expectedTarget) {
                    throw new BadTargetClassException($this, $this->expectedTarget, $target);
                }
            }
            elseif (interface_exists($this->expectedTarget)) {
                if (! $target instanceof $this->expectedTarget) {
                    throw new BadTargetInterfaceException($this, $this->expectedTarget, $target);
                }
            }
            elseif (type_exists($this->expectedTarget)) {
                if (gettype($target) != $this->expectedTarget) {
                    throw new BadTargetTypeException($this, $this->expectedTarget, $target);
                }
            }
            else {
                throw new UndefinedTargetClassException($this, $this->expectedTarget);
            }
            
            $out = $target;
        }
        else {
            $out = $target;
        }
        
        foreach ($this->stack as $i => $call) {
            try {
                if (isset($call['method'])) {
                    $out = call_user_func_array([$out, $call['method']], $call['arguments']);
                }
                else {
                    $out = $out[ $call['entry'] ];
                }
            }
            catch (\Exception $e) {
                // Throw $e with the good stack (usage exception)
                throw $e;
            }
        }

        return $out;
    }

    /**
     * Unused part of the ArrayAccess interface
     *
     * @param  $offset
     * @param  $value
     * @throws \BadMethodCallException
     */
    public function offsetSet($offset, $value)
    {
        throw new BadMethodCallException(
            "not implemented"
        );
    }

    /**
     * Unused part of the ArrayAccess interface
     *
     * @param  $offset
     * @throws \BadMethodCallException
     */
    public function offsetExists($offset)
    {
        throw new BadMethodCallException(
            "not implemented"
        );
    }

    /**
     * Unused part of the ArrayAccess interface
     *
     * @param  $offset
     * @throws \BadMethodCallException
     */
    public function offsetUnset($offset)
    {
        throw new BadMethodCallException(
            "not implemented"
        );
    }

    /**/
}


1			<?php
2			/**
3			* DeferredCallChain
4			*
5			* @package php-deferred-callchain
6			* @author Jean Claveau
7			*/
8			namespace JClaveau\Async;
9			use JClaveau\Async\Exceptions\BadTargetClassException;
10			use JClaveau\Async\Exceptions\BadTargetTypeException;
11			use JClaveau\Async\Exceptions\UndefinedTargetClassException;
12			use JClaveau\Async\Exceptions\BadTargetInterfaceException;
13			use BadMethodCallException;
14
15			/**
16			* This class stores an arbitrary stack of calls (methods or array entries access)
17			* that will be callable on any future variable.
18			*/
19			class DeferredCallChain implements \JsonSerializable, \ArrayAccess
20			{
21			use \JClaveau\Traits\Fluent\New_;
22
23			/** @var array $stack The stack of deferred calls */
24			protected $stack = [];
25
26			/** @var mixed $expectedTarget The stack of deferred calls */
27			protected $expectedTarget;
28
29			/**
30			* Constructor
31			*
32			* @param string $key The entry to acces
33			*/
34			public function __construct($class_type_or_instance=null)
35			{
36			if ($class_type_or_instance) {
37			$this->expectedTarget = $class_type_or_instance;
38			}
39			}
40
41			/**
42			* ArrayAccess interface
43			*
44			* @param string $key The entry to acces
45			*/
46			public function &offsetGet($key)
47			{
48			$this->stack[] = [
49			'entry' => $key,
50			];
51
52			return $this;
53			}
54
55			/**
56			* Stores any call in the the stack.
57			*
58			* @param string $method
59			* @param array $arguments
60			*
61			* @return $this
62			*/
63			public final function __call($method, array $arguments)
64			{
65			$this->stack[] = [
66			'method' => $method,
67			'arguments' => $arguments,
68			];
69
70			return $this;
71			}
72
73			/**
74			* For implementing JsonSerializable interface.
75			*
76			* @see https://secure.php.net/manual/en/jsonserializable.jsonserialize.php
77			*/
78			public function jsonSerialize()
79			{
80			return $this->stack;
81			}
82
83			/**
84			* Outputs the PHP code producing the current call chain while it's casted
85			* as a string.
86			*
87			* @return string The PHP code corresponding to this call chain
88			*/
89			public function __toString()
90			{
91			$string = '(new ' . get_called_class() . ')';
92
93			foreach ($this->stack as $i => $call) {
94			if (isset($call['method'])) {
95			$string .= '->';
96			$string .= $call['method'].'(';
97			$string .= implode(', ', array_map(function($argument) {
98			return var_export($argument, true);
99			}, $call['arguments']));
100			$string .= ')';
101			}
102			else {
103			$string .= '[' . var_export($call['entry'], true) . ']';
104			}
105			}
106
107			return $string;
108			}
109
110			/**
111			* Invoking the instance produces the call of the stack
112			*
113			* @param $target The target to apply the callchain on
			0 ignored issues – show Bug introduced 2018-11-14 11:04 UTC by Report Bug Copy Issue Report The type `JClaveau\Async\The` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
114			* @return The value returned once the call chain is called uppon $target
115			*/
116			public function __invoke($target=null)
117			{
118			if (is_object($this->expectedTarget)) {
119			if ($target) {
120			throw new TargetAlreadyDefinedException($this, $this->expectedTarget, $target);
			0 ignored issues – show Bug introduced 2019-11-04 01:03 UTC by Report Bug Copy Issue Report The type `JClaveau\Async\TargetAlreadyDefinedException` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
121			}
122
123			$out = $this->expectedTarget;
124			}
125			elseif (is_string($this->expectedTarget)) {
126			if (class_exists($this->expectedTarget)) {
127			if (! $target instanceof $this->expectedTarget) {
128			throw new BadTargetClassException($this, $this->expectedTarget, $target);
129			}
130			}
131			elseif (interface_exists($this->expectedTarget)) {
132			if (! $target instanceof $this->expectedTarget) {
133			throw new BadTargetInterfaceException($this, $this->expectedTarget, $target);
134			}
135			}
136			elseif (type_exists($this->expectedTarget)) {
137			if (gettype($target) != $this->expectedTarget) {
138			throw new BadTargetTypeException($this, $this->expectedTarget, $target);
139			}
140			}
141			else {
142			throw new UndefinedTargetClassException($this, $this->expectedTarget);
143			}
144
145			$out = $target;
146			}
147			else {
148			$out = $target;
149			}
150
151			foreach ($this->stack as $i => $call) {
152			try {
153			if (isset($call['method'])) {
154			$out = call_user_func_array([$out, $call['method']], $call['arguments']);
155			}
156			else {
157			$out = $out[ $call['entry'] ];
158			}
159			}
160			catch (\Exception $e) {
161			// Throw $e with the good stack (usage exception)
162			throw $e;
163			}
164			}
165
166			return $out;
167			}
168
169			/**
170			* Unused part of the ArrayAccess interface
171			*
172			* @param $offset
173			* @param $value
174			* @throws \BadMethodCallException
175			*/
176			public function offsetSet($offset, $value)
177			{
178			throw new BadMethodCallException(
179			"not implemented"
180			);
181			}
182
183			/**
184			* Unused part of the ArrayAccess interface
185			*
186			* @param $offset
187			* @throws \BadMethodCallException
188			*/
189			public function offsetExists($offset)
190			{
191			throw new BadMethodCallException(
192			"not implemented"
193			);
194			}
195
196			/**
197			* Unused part of the ArrayAccess interface
198			*
199			* @param $offset
200			* @throws \BadMethodCallException
201			*/
202			public function offsetUnset($offset)
203			{
204			throw new BadMethodCallException(
205			"not implemented"
206			);
207			}
208
209			/**/
210			}
211

jclaveau / php-deferred-callchain

Push — master ( 67e168...53226a )

DeferredCallChain::__invoke() C

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

Long Method

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