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home/mdemusica/public_html/wp-includes/class-wp-speculation-rules.php��0000644��00000016547�15143520725�0022136 0��ustar�00��<?php /** * Class 'WP_Speculation_Rules'. * * @package WordPress * @subpackage Speculative Loading * @since 6.8.0 / /* * Class representing a set of speculation rules. * * @since 6.8.0 * @access private / final class WP_Speculation_Rules implements JsonSerializable { /* * Stored rules, as a map of `$mode => $rules` pairs. * * Every `$rules` value is a map of `$id => $rule` pairs. * * @since 6.8.0 * @var array<string, array<string, mixed>> / private $rules_by_mode = array(); /* * The allowed speculation rules modes as a map, used for validation. * * @since 6.8.0 * @var array<string, bool> / private static $mode_allowlist = array( 'prefetch' => true, 'prerender' => true, ); /* * The allowed speculation rules eagerness levels as a map, used for validation. * * @since 6.8.0 * @var array<string, bool> / private static $eagerness_allowlist = array( 'immediate' => true, 'eager' => true, 'moderate' => true, 'conservative' => true, ); /* * The allowed speculation rules sources as a map, used for validation. * * @since 6.8.0 * @var array<string, bool> / private static $source_allowlist = array( 'list' => true, 'document' => true, ); /* * Adds a speculation rule to the speculation rules to consider. * * @since 6.8.0 * * @param string $mode Speculative loading mode. Either 'prefetch' or 'prerender'. * @param string $id Unique string identifier for the speculation rule. * @param array<string, mixed> $rule Associative array of rule arguments. * @return bool True on success, false if invalid parameters are provided. / public function add_rule( string $mode, string $id, array $rule ): bool { if ( ! self::is_valid_mode( $mode ) ) { _doing_it_wrong( __METHOD__, sprintf( / translators: %s: invalid mode value / __( 'The value "%s" is not a valid speculation rules mode.' ), esc_html( $mode ) ), '6.8.0' ); return false; } if ( ! $this->is_valid_id( $id ) ) { _doing_it_wrong( __METHOD__, sprintf( / translators: %s: invalid ID value / __( 'The value "%s" is not a valid ID for a speculation rule.' ), esc_html( $id ) ), '6.8.0' ); return false; } if ( $this->has_rule( $mode, $id ) ) { _doing_it_wrong( __METHOD__, sprintf( / translators: %s: invalid ID value / __( 'A speculation rule with ID "%s" already exists.' ), esc_html( $id ) ), '6.8.0' ); return false; } / * Perform some basic speculation rule validation. * Every rule must have either a 'where' key or a 'urls' key, but not both. * The presence of a 'where' key implies a 'source' of 'document', while the presence of a 'urls' key implies * a 'source' of 'list'. / if ( ( ! isset( $rule['where'] ) && ! isset( $rule['urls'] ) ) \|\| ( isset( $rule['where'] ) && isset( $rule['urls'] ) ) ) { _doing_it_wrong( __METHOD__, sprintf( / translators: 1: allowed key, 2: alternative allowed key / __( 'A speculation rule must include either a "%1$s" key or a "%2$s" key, but not both.' ), 'where', 'urls' ), '6.8.0' ); return false; } if ( isset( $rule['source'] ) ) { if ( ! self::is_valid_source( $rule['source'] ) ) { _doing_it_wrong( __METHOD__, sprintf( / translators: %s: invalid source value / __( 'The value "%s" is not a valid source for a speculation rule.' ), esc_html( $rule['source'] ) ), '6.8.0' ); return false; } if ( 'list' === $rule['source'] && isset( $rule['where'] ) ) { _doing_it_wrong( __METHOD__, sprintf( / translators: 1: source value, 2: forbidden key / __( 'A speculation rule of source "%1$s" must not include a "%2$s" key.' ), 'list', 'where' ), '6.8.0' ); return false; } if ( 'document' === $rule['source'] && isset( $rule['urls'] ) ) { _doing_it_wrong( __METHOD__, sprintf( / translators: 1: source value, 2: forbidden key / __( 'A speculation rule of source "%1$s" must not include a "%2$s" key.' ), 'document', 'urls' ), '6.8.0' ); return false; } } // If there is an 'eagerness' key specified, make sure it's valid. if ( isset( $rule['eagerness'] ) ) { if ( ! self::is_valid_eagerness( $rule['eagerness'] ) ) { _doing_it_wrong( __METHOD__, sprintf( / translators: %s: invalid eagerness value / __( 'The value "%s" is not a valid eagerness for a speculation rule.' ), esc_html( $rule['eagerness'] ) ), '6.8.0' ); return false; } if ( isset( $rule['where'] ) && 'immediate' === $rule['eagerness'] ) { _doing_it_wrong( __METHOD__, sprintf( / translators: %s: forbidden eagerness value / __( 'The eagerness value "%s" is forbidden for document-level speculation rules.' ), 'immediate' ), '6.8.0' ); return false; } } if ( ! isset( $this->rules_by_mode[ $mode ] ) ) { $this->rules_by_mode[ $mode ] = array(); } $this->rules_by_mode[ $mode ][ $id ] = $rule; return true; } /* * Checks whether a speculation rule for the given mode and ID already exists. * * @since 6.8.0 * * @param string $mode Speculative loading mode. Either 'prefetch' or 'prerender'. * @param string $id Unique string identifier for the speculation rule. * @return bool True if the rule already exists, false otherwise. / public function has_rule( string $mode, string $id ): bool { return isset( $this->rules_by_mode[ $mode ][ $id ] ); } /* * Returns the speculation rules data ready to be JSON-encoded. * * @since 6.8.0 * * @return array<string, array<string, mixed>> Speculation rules data. / #[ReturnTypeWillChange] public function jsonSerialize() { // Strip the IDs for JSON output, since they are not relevant for the Speculation Rules API. return array_map( static function ( array $rules ) { return array_values( $rules ); }, array_filter( $this->rules_by_mode ) ); } /* * Checks whether the given ID is valid. * * @since 6.8.0 * * @param string $id Unique string identifier for the speculation rule. * @return bool True if the ID is valid, false otherwise. / private function is_valid_id( string $id ): bool { return (bool) preg_match( '/^[a-z][a-z0-9_-]+$/', $id ); } /* * Checks whether the given speculation rules mode is valid. * * @since 6.8.0 * * @param string $mode Speculation rules mode. * @return bool True if valid, false otherwise. / public static function is_valid_mode( string $mode ): bool { return isset( self::$mode_allowlist[ $mode ] ); } /* * Checks whether the given speculation rules eagerness is valid. * * @since 6.8.0 * * @param string $eagerness Speculation rules eagerness. * @return bool True if valid, false otherwise. / public static function is_valid_eagerness( string $eagerness ): bool { return isset( self::$eagerness_allowlist[ $eagerness ] ); } /* * Checks whether the given speculation rules source is valid. * * @since 6.8.0 * * @param string $source Speculation rules source. * @return bool True if valid, false otherwise. */ public static function is_valid_source( string $source ): bool { return isset( self::$source_allowlist[ $source ] ); } } ��

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