AttributesHelper::parseAttributes()   C
last analyzed

Complexity

Conditions 16
Paths 57

Size

Total Lines 63
Code Lines 35

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 33
CRAP Score 16.0476

Importance

Changes 0
Metric Value
eloc 35
dl 0
loc 63
ccs 33
cts 35
cp 0.9429
rs 5.5666
c 0
b 0
f 0
cc 16
nc 57
nop 1
crap 16.0476

How to fix   Long Method    Complexity   

Long Method

Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.

For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.

Commonly applied refactorings include:

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<?php
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/*
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 * This file is part of the league/commonmark package.
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 *
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 * (c) Colin O'Dell <[email protected]>
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 * (c) 2015 Martin Hasoň <[email protected]>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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declare(strict_types=1);
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namespace League\CommonMark\Extension\Attributes\Util;
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use League\CommonMark\Node\Block\AbstractBlock;
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use League\CommonMark\Node\Inline\AbstractInline;
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use League\CommonMark\Parser\Cursor;
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use League\CommonMark\Util\RegexHelper;
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/**
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 * @internal
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 */
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final class AttributesHelper
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{
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    private const REGEX = '/^\s*([.#][_a-z0-9-]+|' . RegexHelper::PARTIAL_ATTRIBUTENAME . RegexHelper::PARTIAL_ATTRIBUTEVALUESPEC . ')(?<!})\s*/i';
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    /**
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     * @return array<string, mixed>
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     */
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    public static function parseAttributes(Cursor $cursor): array
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    {
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        $state = $cursor->saveState();
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        $cursor->advanceToNextNonSpaceOrNewline();
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        if ($cursor->getCharacter() !== '{') {
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            $cursor->restoreState($state);
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            return [];
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        }
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        $cursor->advanceBy(1);
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        if ($cursor->getCharacter() === ':') {
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            $cursor->advanceBy(1);
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        }
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        $attributes = [];
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        while ($attribute = \trim((string) $cursor->match(self::REGEX))) {
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            if ($attribute[0] === '#') {
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                $attributes['id'] = \substr($attribute, 1);
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                continue;
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            }
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            if ($attribute[0] === '.') {
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                $attributes['class'][] = \substr($attribute, 1);
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                continue;
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            }
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            [$name, $value] = \explode('=', $attribute, 2);
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            $first = $value[0];
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            $last  = \substr($value, -1);
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            if (($first === '"' && $last === '"') || ($first === "'" && $last === "'") && \strlen($value) > 1) {
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                $value = \substr($value, 1, -1);
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            }
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            if (\strtolower(\trim($name)) === 'class') {
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                foreach (\array_filter(\explode(' ', \trim($value))) as $class) {
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                    $attributes['class'][] = $class;
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                }
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            } else {
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                $attributes[\trim($name)] = \trim($value);
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            }
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        }
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        if ($cursor->match('/}/') === null) {
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            $cursor->restoreState($state);
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            return [];
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        }
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        if ($attributes === []) {
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            $cursor->restoreState($state);
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            return [];
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        }
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        if (isset($attributes['class'])) {
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            $attributes['class'] = \implode(' ', (array) $attributes['class']);
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        }
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        return $attributes;
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    }
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    /**
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     * @param AbstractBlock|AbstractInline|array<string, mixed> $attributes1
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     * @param AbstractBlock|AbstractInline|array<string, mixed> $attributes2
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     *
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     * @return array<string, mixed>
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     */
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    public static function mergeAttributes($attributes1, $attributes2): array
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    {
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        $attributes = [];
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        foreach ([$attributes1, $attributes2] as $arg) {
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            if ($arg instanceof AbstractBlock || $arg instanceof AbstractInline) {
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                $arg = $arg->data['attributes'] ?? [];
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            }
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            /** @var array<string, mixed> $arg */
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            $arg = (array) $arg;
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            if (isset($arg['class'])) {
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                foreach (\array_filter(\explode(' ', \trim($arg['class']))) as $class) {
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                    $attributes['class'][] = $class;
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                }
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                unset($arg['class']);
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            }
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            $attributes = \array_merge($attributes, $arg);
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        }
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        if (isset($attributes['class'])) {
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            $attributes['class'] = \implode(' ', $attributes['class']);
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        }
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        return $attributes;
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    }
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}
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