Completed
Push — master ( 15ce58...d25613 )
by Alex
07:50 queued 05:17
created

InsufficientData   A

Complexity

Total Complexity 1

Size/Duplication

Total Lines 12
Duplicated Lines 0 %

Coupling/Cohesion

Components 0
Dependencies 1

Test Coverage

Coverage 100%

Importance

Changes 0
Metric Value
dl 0
loc 12
ccs 3
cts 3
cp 1
rs 10
c 0
b 0
f 0
wmc 1
lcom 0
cbo 1

1 Method

Rating   Name   Duplication   Size   Complexity  
A fromOffset() 0 7 1
1
<?php
2
declare(strict_types=1);
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4
namespace MessagePack\Exception;
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use MessagePack\{
7
    Exception\CanGetValue,
0 ignored issues
show
Bug introduced by
This use statement conflicts with another class in this namespace, MessagePack\Exception\CanGetValue.

Let’s assume that you have a directory layout like this:

.
|-- OtherDir
|   |-- Bar.php
|   `-- Foo.php
`-- SomeDir
    `-- Foo.php

and let’s assume the following content of Bar.php:

// Bar.php
namespace OtherDir;

use SomeDir\Foo; // This now conflicts the class OtherDir\Foo

If both files OtherDir/Foo.php and SomeDir/Foo.php are loaded in the same runtime, you will see a PHP error such as the following:

PHP Fatal error:  Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php

However, as OtherDir/Foo.php does not necessarily have to be loaded and the error is only triggered if it is loaded before OtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias:

// Bar.php
namespace OtherDir;

use SomeDir\Foo as SomeDirFoo; // There is no conflict anymore.
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8
    MessagePackException
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};
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use RuntimeException;
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use function strlen;
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final class InsufficientData extends RuntimeException implements MessagePackException
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{
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    use CanGetValue;
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    public static function fromOffset(string $data, int $offset, int $expectedLength): self
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    {
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        $actualLength = strlen($data) - $offset;
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        $message = "Not enough data to decode: expected length ${expectedLength}, got ${actualLength}";
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        return new self($data, $message);
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    }
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}
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