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Component.php
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<?php declare(strict_types=1); namespace PhpMyAdmin\SqlParser; use Exception; use Stringable; /** * Defines a component that is later extended to parse specialized components or keywords. * * There is a small difference between *Component and *Keyword classes: usually, *Component parsers can be reused in * multiple situations and *Keyword parsers count on the *Component classes to do their job. * * A component (of a statement) is a part of a statement that is common to multiple query types. */ abstract class Component implements Stringable { /** * Parses the tokens contained in the given list in the context of the given * parser. * * @param Parser $parser the parser that serves as context * @param TokensList $list the list of tokens that are being parsed * @param array<string, mixed> $options parameters for parsing * * @return mixed * * @throws Exception not implemented yet. */ public static function parse( Parser $parser, TokensList $list, array $options = [] ) { // This method should be abstract, but it can't be both static and // abstract. throw new Exception(Translator::gettext('Not implemented yet.')); } /** * Builds the string representation of a component of this type. * * In other words, this function represents the inverse function of * `static::parse`. * * @param mixed $component the component to be built * @param array<string, mixed> $options parameters for building * * @return mixed * * @throws Exception not implemented yet. */ public static function build($component, array $options = []) { // This method should be abstract, but it can't be both static and // abstract. throw new Exception(Translator::gettext('Not implemented yet.')); } /** * Builds the string representation of a component of this type. * * @see static::build * * @return string */ public function __toString() { return static::build($this); } }