Completed
Pull Request — master (#42)
by Frederik
01:59
created

FlagCriterion::negate()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 6
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 4
CRAP Score 1

Importance

Changes 0
Metric Value
dl 0
loc 6
ccs 4
cts 4
cp 1
rs 9.4285
c 0
b 0
f 0
cc 1
eloc 4
nc 1
nop 1
crap 1
1
<?php
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declare(strict_types=1);
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namespace Genkgo\Mail\Protocol\Imap\Request\SearchCriteria;
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use Genkgo\Mail\Protocol\Imap\Flag;
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/**
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 * Class FlagCriterion
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 * @package Genkgo\Mail\Protocol\Imap\Request\SearchCriteria
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 */
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final class FlagCriterion implements CriterionInterface
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{
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    /**
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     * @var
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     */
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    private $flag;
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    /**
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     * @var bool
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     */
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    private $negate = false;
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    /**
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     * FlagCriterion constructor.
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     * @param Flag $flag
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     */
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    public function __construct(Flag $flag)
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    {
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        $this->flag = $flag;
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    }
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    /**
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     * @return string
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     */
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    public function __toString(): string
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    {
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        $prefix = $this->negate ? 'UN' : '';
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        if ($this->flag->isKeyword()) {
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            return \sprintf(
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                '%sKEYWORD %s',
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                $prefix,
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                (string)$this->flag
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            );
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        }
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        return $prefix . \strtoupper(substr((string)$this->flag, 1));
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    }
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    /**
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     * @param Flag $flag
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     * @return FlagCriterion
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     */
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    public static function negate(Flag $flag): self
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    {
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        $criterion = new self($flag);
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        $criterion->negate = true;
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        return $criterion;
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    }
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}