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<?php
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namespace Filter;
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class FilterParser
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{
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public function parse(string $string): DocumentFilter
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{
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if (preg_match('/^.+=.*$/', $string)) {
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[$prop, $term] = explode('=', $string, 2);
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return new SpecificFilter(trim($prop), trim($term));
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}
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return new GenericFilter($string);
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}
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}
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