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<?php |
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/** |
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* This file is part of Hydrogen package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace RDS\Hydrogen\Criteria\Common; |
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/** |
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* Class Field |
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*/ |
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class Field implements FieldInterface |
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{ |
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/** |
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* Inherit value delimiter |
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*/ |
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public const DEEP_DELIMITER = '.'; |
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/** |
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* Prefix using for disable aliasing field |
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*/ |
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public const NON_ALIASED_PREFIX = ':'; |
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/** |
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* @var bool |
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*/ |
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private $hasFunction = false; |
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/** |
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* @var bool |
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*/ |
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private $isAliased = true; |
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/** |
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* @var string |
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*/ |
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private $field; |
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/** |
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* @var string |
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*/ |
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private $wrapper = '%s'; |
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/** |
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* Field constructor. |
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* @param string $field |
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*/ |
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public function __construct(string $field) |
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{ |
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\assert(\strlen($field) > 0); |
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$this->field = $this->extractFieldPrefixLogic( |
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$this->extractFieldFromFunction($field) |
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); |
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} |
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/** |
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* @param string $field |
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* @return string |
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*/ |
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private function extractFieldPrefixLogic(string $field): string |
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{ |
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if (\strpos($field, self::NON_ALIASED_PREFIX) === 0) { |
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$this->isAliased = false; |
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return \substr($field, \strlen(self::NON_ALIASED_PREFIX)); |
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} |
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return $field; |
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} |
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/** |
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* @param string $field |
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* @return string |
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*/ |
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private function extractFieldFromFunction(string $field): string |
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{ |
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$pattern = '/\(([\w|\.|\:]+)\)/u'; |
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\preg_match($pattern, $field, $chunks); |
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if (\count($chunks)) { |
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$this->wrapper = \str_replace($chunks[1], '%s', $chunks[0]); |
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$this->hasFunction = true; |
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return $chunks[1]; |
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} |
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return $field; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isComposite(): bool |
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{ |
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return \substr_count($this->field, self::DEEP_DELIMITER) > 0; |
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} |
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/** |
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* @param string $alias |
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* @return string |
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*/ |
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public function withAlias(string $alias): string |
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{ |
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$field = $this->isAliased |
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? \implode(self::DEEP_DELIMITER, [$alias, $this->field]) |
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: $this->field; |
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return \sprintf($this->wrapper, $field); |
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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 $this->field; |
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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 $this->field; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isPrefixed(): bool |
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{ |
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return $this->isAliased; |
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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->field; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isFunction(): bool |
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{ |
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return $this->hasFunction; |
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} |
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/** |
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* @return iterable|Field[] |
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*/ |
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public function split(): iterable |
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{ |
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foreach (\explode(self::DEEP_DELIMITER, $this->field) as $chunk) { |
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yield new static($chunk); |
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} |
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} |
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} |
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rambler-digital-solutions /
hydrogen
