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<?php |
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namespace UCD\Unicode\Character\Repository\Capability; |
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use UCD\Exception; |
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use UCD\Unicode\Character\Properties\General\Block; |
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use UCD\Unicode\Character\Properties\General\GeneralCategory; |
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use UCD\Unicode\Character\Properties\General\Script; |
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use UCD\Unicode\Character\Repository\BlockNotFoundException; |
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use UCD\Unicode\Character\Repository\GeneralCategoryNotFoundException; |
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use UCD\Unicode\Character\Repository\ScriptNotFoundException; |
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use UCD\Unicode\Codepoint\Aggregator; |
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use UCD\Unicode\Codepoint\Range; |
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use UCD\Unicode\CodepointAssigned; |
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trait PropertySearchByIteration |
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{ |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getCodepointsByBlock(Block $block) |
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{ |
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$comparator = function (CodepointAssigned $item) use ($block) { |
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return $item->getGeneralProperties() |
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->getBlock() |
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->equals($block); |
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}; |
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return $this->aggregatePropertiesWith( |
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$comparator, |
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BlockNotFoundException::withBlock($block) |
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); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getCodepointsByCategory(GeneralCategory $category) |
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{ |
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$comparator = function (CodepointAssigned $item) use ($category) { |
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return $item->getGeneralProperties() |
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->getGeneralCategory() |
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->equals($category); |
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}; |
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return $this->aggregatePropertiesWith( |
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$comparator, |
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GeneralCategoryNotFoundException::withCategory($category) |
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); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getCodepointsByScript(Script $script) |
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{ |
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$comparator = function (CodepointAssigned $item) use ($script) { |
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return $item->getGeneralProperties() |
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->getScript() |
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->equals($script); |
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}; |
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return $this->aggregatePropertiesWith( |
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$comparator, |
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ScriptNotFoundException::withScript($script) |
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); |
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} |
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/** |
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* @param callable $comparator |
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* @param Exception $notFoundException |
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* @return Range[]|Range\Collection |
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* @throws Exception |
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*/ |
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private function aggregatePropertiesWith(callable $comparator, Exception $notFoundException) |
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{ |
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$aggregator = new Aggregator(); |
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foreach ($this->getAll() as $item) { |
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if (call_user_func($comparator, $item) === true) { |
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$codepoint = $item->getCodepoint(); |
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$aggregator->addCodepoint($codepoint); |
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} |
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} |
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if ($aggregator->hasAggregated() !== true) { |
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throw $notFoundException; |
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} |
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return $aggregator->getAggregated(); |
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} |
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/** |
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* @return CodepointAssigned[] |
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*/ |
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abstract public function getAll(); |
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} |
nick-jones /
php-ucd
