PrimitiveString::_decodeFromDER() - Code Metrics - sop/asn1 - Measure and Improve Code Quality continuously with Scrutinizer

PrimitiveString::_decodeFromDER() A
last analyzed 2025-01-08 14:01 UTC

↳ Parent: PrimitiveString

Complexity

Conditions	4
Paths	5

Size

Total Lines	17
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	4

Importance

Changes

Metric	Value
cc	4
eloc	11
nc	5
nop	3
dl	0
loc	17
ccs	11
cts	11
cp	1
crap	4
rs	9.9
c	0
b	0
f	0

<?php

declare(strict_types = 1);

namespace Sop\ASN1\Type;

use Sop\ASN1\Component\Identifier;
use Sop\ASN1\Component\Length;
use Sop\ASN1\Exception\DecodeException;
use Sop\ASN1\Feature\ElementBase;

/**
 * Base class for primitive strings.
 *
 * Used by types that don't require special processing of the encoded string data.
 *
 * @internal
 */
abstract class PrimitiveString extends BaseString
{
    use PrimitiveType;

    /**
     * {@inheritdoc}
     */
    protected function _encodedContentDER(): string
    {
        return $this->_string;
    }

    /**
     * {@inheritdoc}
     */
    protected static function _decodeFromDER(Identifier $identifier,
        string $data, int &$offset): ElementBase
    {
        $idx = $offset;
        if (!$identifier->isPrimitive()) {
            throw new DecodeException('DER encoded string must be primitive.');
        }
        $length = Length::expectFromDER($data, $idx)->intLength();
        $str = $length ? substr($data, $idx, $length) : '';
        // substr should never return false, since length is
        // checked by Length::expectFromDER.
        assert(is_string($str), new DecodeException('substr'));
        $offset = $idx + $length;
        try {
            return new static($str);
        } catch (\InvalidArgumentException $e) {
            throw new DecodeException($e->getMessage(), 0, $e);
        }
    }
}


1		<?php
2
3		declare(strict_types = 1);
4
5		namespace Sop\ASN1\Type;
6
7		use Sop\ASN1\Component\Identifier;
8		use Sop\ASN1\Component\Length;
9		use Sop\ASN1\Exception\DecodeException;
10		use Sop\ASN1\Feature\ElementBase;
11
12		/**
13		* Base class for primitive strings.
14		*
15		* Used by types that don't require special processing of the encoded string data.
16		*
17		* @internal
18		*/
19		abstract class PrimitiveString extends BaseString
20		{
21		use PrimitiveType;
22
23		/**
24		* {@inheritdoc}
25		*/
26	31	protected function _encodedContentDER(): string
27		{
28	31	return $this->_string;
29		}
30
31		/**
32		* {@inheritdoc}
33		*/
34	67	protected static function _decodeFromDER(Identifier $identifier,
35		string $data, int &$offset): ElementBase
36		{
37	67	$idx = $offset;
38	67	if (!$identifier->isPrimitive()) {
39	1	throw new DecodeException('DER encoded string must be primitive.');
40		}
41	66	$length = Length::expectFromDER($data, $idx)->intLength();
42	66	$str = $length ? substr($data, $idx, $length) : '';
43		// substr should never return false, since length is
44		// checked by Length::expectFromDER.
45	66	assert(is_string($str), new DecodeException('substr'));
46	66	$offset = $idx + $length;
47		try {
48	66	return new static($str);
49	7	} catch (\InvalidArgumentException $e) {
50	7	throw new DecodeException($e->getMessage(), 0, $e);
51		}
52		}
53		}
54

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PrimitiveString::_decodeFromDER() A last analyzed 2025-01-08 14:01 UTC

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PrimitiveString::_decodeFromDER() A
last analyzed 2025-01-08 14:01 UTC