ConfigBuilderBase.php

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<?php
 
namespace MediaWiki\Settings\Config;
 
abstract class ConfigBuilderBase implements ConfigBuilder {
 
    abstract protected function has( string $key ): bool;
 
    abstract protected function update( string $key, $value );
 
    public function set(
        string $key,
        $newValue,
        ?MergeStrategy $mergeStrategy = null
    ): ConfigBuilder {
        if ( $mergeStrategy && $this->has( $key ) && is_array( $newValue ) ) {
            $oldValue = $this->get( $key );
            if ( $oldValue && is_array( $oldValue ) ) {
                $newValue = $mergeStrategy->merge( $oldValue, $newValue );
            }
        }
        $this->update( $key, $newValue );
        return $this;
    }
 
    public function setMulti( array $values, array $mergeStrategies = [] ): ConfigBuilder {
        foreach ( $values as $key => $value ) {
            $this->set( $key, $value, $mergeStrategies[$key] ?? null );
        }
        return $this;
    }
 
    public function setDefault(
        string $key,
        $defaultValue,
        ?MergeStrategy $mergeStrategy = null
    ): ConfigBuilder {
        if ( $this->has( $key ) ) {
            if ( $mergeStrategy && $defaultValue && is_array( $defaultValue ) ) {
                $customValue = $this->get( $key );
                if ( is_array( $customValue ) ) {
                    $newValue = $mergeStrategy->merge( $defaultValue, $customValue );
                    $this->update( $key, $newValue );
                }
            }
        } else {
            $this->update( $key, $defaultValue );
        }
 
        return $this;
    }
 
    public function setMultiDefault( array $defaults, array $mergeStrategies ): ConfigBuilder {
        foreach ( $defaults as $key => $defaultValue ) {
            $this->setDefault( $key, $defaultValue, $mergeStrategies[$key] ?? null );
        }
        return $this;
    }
 
}