ChangeReverser::reverseMethod() - Code Metrics - Inspection of "Made it possible to reverse inserts and add and re..." - ntentan/yentu - Measure and Improve Code Quality continuously with Scrutinizer

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by James Ekow Abaka

created 2024-07-29 03:18 UTC

ChangeReverser::reverseMethod() B

↳ Parent: ChangeReverser

Complexity

Conditions	7
Paths	1

Size

Total Lines	15
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	7
eloc	11
nc	1
nop	1
dl	0
loc	15
rs	8.8333
c	0
b	0
f	0

<?php
namespace yentu;

class ChangeReverser
{
    private $driver;

    public function setDriver($driver)
    {
        $this->driver = $driver;
    }

    public function call($method, $arguments) 
    {
        $reversedMethod = $this->reverseMethod($method);
        $reversedArguments = $this->reverseArguments($arguments[0]);
        return $this->driver->$reversedMethod($reversedArguments);
    }    
    
    private function reverseMethod($method)
    {
        return preg_replace_callback(
            "/^(?<action>add|drop|reverse|execute|insert)/", 
            function($matches){
                switch($matches['action'])
                {
                    case 'add': return 'drop';
                    case 'drop': return 'add';
                    case 'reverse': return 'execute';
                    case 'execute': return 'reverse';
                    case 'insert': return 'delete';
                    case 'delete': return 'insert';
                }
            }, $method
        );
    }
    
    private function reverseArguments($arguments)
    {
        if(isset($arguments['from']) && isset($arguments['to']))
        {
            return array(
                'to' => $arguments['from'],
                'from' => $arguments['to']
            );
        }
        else
        {
            return $arguments;
        }
    }
}


1			<?php
2			namespace yentu;
3
4			class ChangeReverser
5			{
6			private $driver;
7
8			public function setDriver($driver)
9			{
10			$this->driver = $driver;
11			}
12
13			public function call($method, $arguments)
14			{
15			$reversedMethod = $this->reverseMethod($method);
16			$reversedArguments = $this->reverseArguments($arguments[0]);
17			return $this->driver->$reversedMethod($reversedArguments);
18			}
19
20			private function reverseMethod($method)
21			{
22			return preg_replace_callback(
23			"/^(?<action>add\|drop\|reverse\|execute\|insert)/",
24			function($matches){
25			switch($matches['action'])
26			{
27			case 'add': return 'drop';
28			case 'drop': return 'add';
29			case 'reverse': return 'execute';
30			case 'execute': return 'reverse';
31			case 'insert': return 'delete';
32			case 'delete': return 'insert';
33			}
34			}, $method
35			);
36			}
37
38			private function reverseArguments($arguments)
39			{
40			if(isset($arguments['from']) && isset($arguments['to']))
41			{
42			return array(
43			'to' => $arguments['from'],
44			'from' => $arguments['to']
45			);
46			}
47			else
48			{
49			return $arguments;
50			}
51			}
52			}
53

ntentan / yentu

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ChangeReverser::reverseMethod() B

Complexity

Size

Duplication

Importance

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