org.partiql.lang.syntax.PartiQLParserBuilder.kt Maven / Gradle / Ivy

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/*
 * Copyright 2022 Amazon.com, Inc. or its affiliates.  All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at:
 *
 *      http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
 * language governing permissions and limitations under the License.
 */

package org.partiql.lang.syntax

import org.partiql.lang.syntax.impl.PartiQLPigParser
import org.partiql.lang.types.CustomType

/**
 * A builder class to instantiate a [Parser].
 *
 * Example usages:
 *
 * ```
 * val parser = PartiQLParserBuilder.standard().build()
 * val parser = PartiQLParserBuilder.standard().customTypes(types).build()
 * ```
 */
class PartiQLParserBuilder {

    companion object {

        @JvmStatic
        fun standard(): PartiQLParserBuilder {
            return PartiQLParserBuilder()
        }
    }

    private var customTypes: List = emptyList()

    fun customTypes(types: List): PartiQLParserBuilder = this.apply {
        this.customTypes = types
    }

    fun build(): Parser {
        return PartiQLPigParser(this.customTypes)
    }
}