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<?php |
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namespace UCD\Infrastructure\Repository\CharacterRepository\XMLRepository\ElementParser\Properties; |
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use UCD\Unicode\Character\Properties\Normalization; |
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use UCD\Unicode\Character\Properties\Normalization\Combining; |
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use UCD\Unicode\Character\Properties\Normalization\Decomposition; |
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use UCD\Unicode\Character\Properties\Normalization\Decomposition\Assigned; |
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use UCD\Unicode\Character\Properties\Normalization\Decomposition\Nil; |
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use UCD\Unicode\Character\Properties\Normalization\DecompositionType; |
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class NormalizationParser extends BaseParser |
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{ |
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const ATTR_CANONICAL_COMBINING_CLASS = 'ccc'; |
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const ATTR_DECOMPOSITION_TYPE = 'dt'; |
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const ATTR_DECOMPOSITION_MAPPING = 'dm'; |
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/** |
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* @return Normalization |
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*/ |
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protected function parse() |
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{ |
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$combining = $this->parseCombiningClass(); |
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$decomposition = $this->parseDecomposition(); |
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return new Normalization($combining, $decomposition); |
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} |
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/** |
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* @return Decomposition |
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*/ |
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private function parseDecomposition() |
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{ |
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$decompositionType = $this->parseDecompositionType(); |
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$mapping = $this->getAttribute(self::ATTR_DECOMPOSITION_MAPPING); |
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$placeholders = $this->parsePlaceholders($mapping, $this->codepoint); |
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$decompositionMap = $this->parseCodepointList($placeholders); |
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$count = count($decompositionMap); |
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$isNil = $count === 0 || ($count === 1 && $decompositionMap[0]->equals($this->codepoint)); |
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if ($isNil) { |
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return new Nil($decompositionType); |
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} |
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return new Assigned($decompositionType, $decompositionMap); |
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} |
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/** |
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* @return DecompositionType |
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*/ |
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private function parseDecompositionType() |
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{ |
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return new DecompositionType($this->getAttribute(self::ATTR_DECOMPOSITION_TYPE)); |
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} |
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/** |
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* @return Combining |
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*/ |
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private function parseCombiningClass() |
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{ |
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return new Combining((int)$this->getAttribute(self::ATTR_CANONICAL_COMBINING_CLASS)); |
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} |
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} |
nick-jones /
php-ucd
