Grammar::buildRegex() - Code Metrics - Inspection of "Use PHP 8.1 features" - nicoSWD/php-rule-parser - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#22)

by Nico

created 2022-03-20 22:09 UTC

Grammar::buildRegex() A

↳ Parent: Grammar

Complexity

Conditions	3
Paths	2

Size

Total Lines	14
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	12

Importance

Changes

Metric	Value
cc	3
eloc	7
c	0
b	0
f	0
nc	2
nop	0
dl	0
loc	14
ccs	0
cts	0
cp	0
crap	12
rs	10

<?php declare(strict_types=1);

/**
 * @license     http://opensource.org/licenses/mit-license.php MIT
 * @link        https://github.com/nicoSWD
 * @author      Nicolas Oelgart <[email protected]>
 */
namespace nicoSWD\Rule\Grammar;

use SplPriorityQueue;

abstract class Grammar
{
    private string $compiledRegex = '';
    /** @var Definition[] */
    private array $tokens = [];

    /** @return Definition[] */
    abstract public function getDefinition(): array;

    /** @return InternalFunction[] */
    abstract public function getInternalFunctions(): array;

    /** @return InternalMethod[] */
    abstract public function getInternalMethods(): array;

    public function buildRegex(): string
    {
        if (!$this->compiledRegex) {
            $this->registerTokens();
            $regex = [];

            foreach ($this->getQueue() as $token) {
                $regex[] = "(?<{$token->token->value}>{$token->regex})";
            }

            $this->compiledRegex = '~(' . implode('|', $regex) . ')~As';
        }

        return $this->compiledRegex;
    }

    private function getQueue(): SplPriorityQueue
    {
        $queue = new SplPriorityQueue();

        foreach ($this->tokens as $token) {
            $queue->insert($token, $token->priority);
        }

        return $queue;
    }

    private function registerTokens(): void
    {
        foreach ($this->getDefinition() as $definition) {
            $this->tokens[$definition->token->value] = $definition;
        }
    }
}


1		<?php declare(strict_types=1);
2
3		/**
4		* @license http://opensource.org/licenses/mit-license.php MIT
5		* @link https://github.com/nicoSWD
6		* @author Nicolas Oelgart <[email protected]>
7		*/
8		namespace nicoSWD\Rule\Grammar;
9
10		use SplPriorityQueue;
11
12		abstract class Grammar
13		{
14		private string $compiledRegex = '';
15		/** @var Definition[] */
16	2	private array $tokens = [];
17
18	2	/** @return Definition[] */
19		abstract public function getDefinition(): array;
20
21		/** @return InternalFunction[] */
22	2	abstract public function getInternalFunctions(): array;
23
24	2	/** @return InternalMethod[] */
25		abstract public function getInternalMethods(): array;
26
27		public function buildRegex(): string
28		{
29		if (!$this->compiledRegex) {
30		$this->registerTokens();
31		$regex = [];
32
33		foreach ($this->getQueue() as $token) {
34		$regex[] = "(?<{$token->token->value}>{$token->regex})";
35		}
36
37		$this->compiledRegex = '~(' . implode('\|', $regex) . ')~As';
38		}
39
40		return $this->compiledRegex;
41		}
42
43		private function getQueue(): SplPriorityQueue
44		{
45		$queue = new SplPriorityQueue();
46
47		foreach ($this->tokens as $token) {
48		$queue->insert($token, $token->priority);
49		}
50
51		return $queue;
52		}
53
54		private function registerTokens(): void
55		{
56		foreach ($this->getDefinition() as $definition) {
57		$this->tokens[$definition->token->value] = $definition;
58		}
59		}
60		}
61

nicoSWD / php-rule-parser

Pull Request — master (#22)

Grammar::buildRegex() A

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

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