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<?php |
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declare(strict_types=1); |
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namespace Genkgo\Mail\Protocol\Imap\MessageData\Item; |
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use Genkgo\Mail\Protocol\Imap\Flag; |
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use Genkgo\Mail\Protocol\Imap\FlagParenthesizedList; |
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use Genkgo\Mail\Protocol\Imap\MessageData\ItemInterface; |
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final class FlagsItem implements ItemInterface |
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{ |
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public const OPERATOR_REPLACE = ''; |
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public const OPERATOR_ADD = '+'; |
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public const OPERATOR_REMOVE = '-'; |
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private const OPERATORS = [ |
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self::OPERATOR_REPLACE => true, |
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self::OPERATOR_ADD => true, |
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self::OPERATOR_REMOVE => true, |
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]; |
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/** |
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* @var FlagParenthesizedList |
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*/ |
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private $flagList; |
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/** |
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* @var bool |
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*/ |
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private $silent = false; |
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/** |
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* @var string |
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*/ |
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private $operator = ''; |
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/** |
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* @param FlagParenthesizedList $flagList |
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* @param string $operator |
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*/ |
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public function __construct(FlagParenthesizedList $flagList, string $operator = '') |
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{ |
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if (!isset(self::OPERATORS[$operator])) { |
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throw new \InvalidArgumentException('Invalid operator'); |
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} |
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$this->flagList = $flagList; |
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$this->operator = $operator; |
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} |
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/** |
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* @return string |
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*/ |
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public function getName(): string |
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{ |
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return $this->operator . ($this->silent ? 'FLAGS.SILENT' : 'FLAGS'); |
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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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return \sprintf( |
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'%s %s', |
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$this->getName(), |
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(string)$this->flagList |
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); |
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} |
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/** |
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* @param FlagParenthesizedList $flagParenthesizedList |
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* @param string $operator |
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* @return FlagsItem |
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*/ |
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public static function silent(FlagParenthesizedList $flagParenthesizedList, string $operator = ''): self |
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{ |
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$bodySection = new self($flagParenthesizedList, $operator); |
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$bodySection->silent = true; |
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return $bodySection; |
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} |
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/** |
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* @param string $list |
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* @return FlagsItem |
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*/ |
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public static function fromString(string $list): self |
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{ |
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if ($list === '') { |
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throw new \InvalidArgumentException('Cannot parse empty string'); |
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} |
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$silent = false; |
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$operator = self::OPERATOR_REPLACE; |
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$flagList = []; |
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if (isset(self::OPERATORS[$list[0]])) { |
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$operator = $list[0]; |
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$list = \substr($list, 1); |
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} |
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$index = 0; |
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$sequence = ''; |
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while (isset($list[$index])) { |
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$char = $list[$index]; |
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$sequence .= $char; |
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switch ($char) { |
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case ' ': |
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$sequence = \trim($sequence); |
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if ($sequence === 'FLAGS.SILENT') { |
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$silent = true; |
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} elseif ($sequence !== 'FLAGS') { |
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throw new \UnexpectedValueException('Only expecting FLAGS or FLAGS.SILENT'); |
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} |
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$sequence = ''; |
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break; |
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case '(': |
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$flagList = \array_map( |
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function (string $flagString) { |
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return new Flag($flagString); |
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}, |
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\explode(' ', \substr($list, $index + 1, -1)) |
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); |
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break 2; |
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} |
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$index++; |
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} |
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if ($silent) { |
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return self::silent(new FlagParenthesizedList($flagList), $operator); |
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} |
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return new self(new FlagParenthesizedList($flagList), $operator); |
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} |
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} |
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genkgo /
mail
