45 lines
1.0 KiB
PHP
45 lines
1.0 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Ddeboer\Imap;
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use Ddeboer\Imap\Search\ConditionInterface;
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/**
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* Defines a search expression that can be used to look up email messages.
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*/
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final class SearchExpression implements ConditionInterface
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{
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/**
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* The conditions that together represent the expression.
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*
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* @var ConditionInterface[]
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*/
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private array $conditions = [];
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/**
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* Adds a new condition to the expression.
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*
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* @param ConditionInterface $condition the condition to be added
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*/
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public function addCondition(ConditionInterface $condition): self
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{
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$this->conditions[] = $condition;
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return $this;
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}
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/**
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* Converts the expression to a string that can be sent to the IMAP server.
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*/
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public function toString(): string
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{
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$conditions = \array_map(static function (ConditionInterface $condition): string {
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return $condition->toString();
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}, $this->conditions);
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return \implode(' ', $conditions);
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}
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}
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