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1<?php
2
3declare(strict_types=1);
4
5namespace WsdlToPhp\PackageGenerator\File\Validation;
6
7abstract class AbstractMinMaxRule extends AbstractRule
8{
9    public const SYMBOL_MAX_INCLUSIVE = '>';
10    public const SYMBOL_MAX_EXCLUSIVE = '>=';
11    public const SYMBOL_MIN_INCLUSIVE = '<';
12    public const SYMBOL_MIN_EXCLUSIVE = '<=';
13    public const SYMBOL_STRICT = '!==';
14
15    /**
16     * Must return the comparison symbol.
17     */
18    abstract public function symbol(): string;
19
20    final public function comparisonString(): string
21    {
22        switch ($this->symbol()) {
23            case self::SYMBOL_MAX_INCLUSIVE:
24                $comparison = 'less than or equal to';
25
26                break;
27
28            case self::SYMBOL_MIN_INCLUSIVE:
29                $comparison = 'greater than or equal to';
30
31                break;
32
33            case self::SYMBOL_MIN_EXCLUSIVE:
34                $comparison = 'greater than';
35
36                break;
37
38            case self::SYMBOL_MAX_EXCLUSIVE:
39                $comparison = 'less than';
40
41                break;
42
43            case self::SYMBOL_STRICT:
44                $comparison = 'equal to';
45
46                break;
47
48            default:
49                throw new \InvalidArgumentException(sprintf('Invalid value %s returned by symbol() method, can\'t determine comparison string', $this->symbol()));
50        }
51
52        return $comparison;
53    }
54}