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<?php |
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/****************************************************************************** |
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* An implementation of dicto (scg.unibe.ch/dicto) in and for PHP. |
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* |
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* Copyright (c) 2016 Richard Klees <[email protected]> |
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* |
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* This software is licensed under The MIT License. You should have received |
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* a copy of the license along with the code. |
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*/ |
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namespace Lechimp\Dicto\Rules; |
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use Lechimp\Dicto\Analysis\Violation; |
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use Lechimp\Dicto\Definition\ArgumentParser; |
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use Lechimp\Dicto\Indexer\ListenerRegistry; |
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use Lechimp\Dicto\Variables\Variable; |
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use Lechimp\Dicto\Analysis\Index; |
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use Lechimp\Dicto\Graph\Query; |
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/** |
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* This is what every rule needs to define. |
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*/ |
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abstract class Schema { |
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/** |
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* Get the name of the schema. |
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* |
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* @return string |
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*/ |
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abstract public function name(); |
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/** |
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* Fetch arguments for the Schema from a stream of tokens during parsing. |
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* |
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* @param ArgumentParser $parser |
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* @return array |
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*/ |
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abstract public function fetch_arguments(ArgumentParser $parser); |
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/** |
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* Check if the given arguments are valid for the rule schema. |
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* |
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* @param array $arguments |
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* @return bool |
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*/ |
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abstract public function arguments_are_valid(array &$arguments); |
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/** |
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* Get a pretty printed version of the rules. |
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* |
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* @param Rule $rule |
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* @return string |
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*/ |
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abstract public function pprint(Rule $rule); |
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/** |
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* Compile a given rule into an sql statement using a query interface. |
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* |
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* @param Index $index |
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* @param Rule $rule |
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* @return Query |
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*/ |
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abstract public function compile(Index $index, Rule $rule); |
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/** |
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* Register listeners to the indexer that are required to detect information |
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* for the rule. |
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* |
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* @param ListenerRegistry $registry |
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* @return null |
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*/ |
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abstract public function register_listeners(ListenerRegistry $registry); |
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} |
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