Rule::isTrue() - Code Metrics - Inspection of "PHP7-master" - nicoSWD/php-rule-parser - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#4)

by Nico

created 2017-02-01 23:05 UTC

Rule::isTrue() A

↳ Parent: Rule

Complexity

Conditions	2
Paths	1

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	7
ccs	4
cts	4
cp	1
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	4
nc	1
nop	0
crap	2

<?php

/**
 * @license     http://opensource.org/licenses/mit-license.php MIT
 * @link        https://github.com/nicoSWD
 * @author      Nicolas Oelgart <[email protected]>
 */
declare(strict_types=1);

namespace nicoSWD\Rules;

use Closure;
use Exception;
use nicoSWD\Rules\Expressions\BaseExpression;

class Rule
{
    /**
     * @var string
     */
    private $rule;

    /**
     * @var Parser
     */
    private $parser;

    /**
     * @var Evaluator
     */
    private $evaluator;

    /**
     * @var string
     */
    private $parsedRule = '';

    /**
     * @var string
     */
    private $error = '';

    public function __construct(string $rule, array $variables = [])
    {
        $this->rule = $rule;
        $this->parser = new Parser(new Tokenizer(), new Expressions\Factory());
        $this->evaluator = new Evaluator();

        $this->parser->assignVariables($variables);
    }

    public function isTrue() : bool
    {
        return $this->evaluator->evaluate(
            $this->parsedRule ?:
            $this->parser->parse($this->rule)
        );
    }

    public function isFalse() : bool
    {
        return !$this->isTrue();
    }

    /**
     * Tells whether a rule is valid (as in "can be parsed without error") or not.
     */
    public function isValid() : bool
    {
        try {
            $this->parsedRule = $this->parser->parse($this->rule);
        } catch (Exception $e) {
            $this->error = $e->getMessage();
            return false;
        }

        return true;
    }

    public function registerFunction(string $name, Closure $callback)
    {
        $this->parser->registerFunction($name, $callback);
    }

    public function registerToken(string $class, string $regex, int $priority = 10)
    {
        $this->parser->registerToken($class, $regex, $priority);
    }

    public function getError() : string
    {
        return $this->error;
    }
}


1		<?php
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		declare(strict_types=1);
9
10		namespace nicoSWD\Rules;
11
12		use Closure;
13		use Exception;
14		use nicoSWD\Rules\Expressions\BaseExpression;
15
16		class Rule
17		{
18		/**
19		* @var string
20		*/
21		private $rule;
22
23		/**
24		* @var Parser
25		*/
26		private $parser;
27
28		/**
29		* @var Evaluator
30		*/
31		private $evaluator;
32
33		/**
34		* @var string
35		*/
36		private $parsedRule = '';
37
38		/**
39		* @var string
40		*/
41		private $error = '';
42
43	8	public function __construct(string $rule, array $variables = [])
44		{
45	8	$this->rule = $rule;
46	8	$this->parser = new Parser(new Tokenizer(), new Expressions\Factory());
47	8	$this->evaluator = new Evaluator();
48
49	8	$this->parser->assignVariables($variables);
50	8	}
51
52	6	public function isTrue() : bool
53		{
54	6	return $this->evaluator->evaluate(
55	6	$this->parsedRule ?:
56	6	$this->parser->parse($this->rule)
57		);
58		}
59
60	2	public function isFalse() : bool
61		{
62	2	return !$this->isTrue();
63		}
64
65		/**
66		* Tells whether a rule is valid (as in "can be parsed without error") or not.
67		*/
68	4	public function isValid() : bool
69		{
70		try {
71	4	$this->parsedRule = $this->parser->parse($this->rule);
72	2	} catch (Exception $e) {
73	2	$this->error = $e->getMessage();
74	2	return false;
75		}
76
77	2	return true;
78		}
79
80		public function registerFunction(string $name, Closure $callback)
81		{
82		$this->parser->registerFunction($name, $callback);
83		}
84
85	2	public function registerToken(string $class, string $regex, int $priority = 10)
86		{
87	2	$this->parser->registerToken($class, $regex, $priority);
88	2	}
89
90	4	public function getError() : string
91		{
92	4	return $this->error;
93		}
94		}
95

nicoSWD / php-rule-parser

Pull Request — master (#4)

Rule::isTrue() A

Complexity

Size

Duplication

Code Coverage

Importance

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