com.squareup.wire.schema.internal.parser.EnumElement.kt Maven / Gradle / Ivy

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gRPC and protocol buffers for Android, Kotlin, and Java.

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/*
 * Copyright (C) 2013 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License 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 com.squareup.wire.schema.internal.parser

import com.squareup.wire.schema.Location
import com.squareup.wire.schema.internal.Util.appendDocumentation
import com.squareup.wire.schema.internal.Util.appendIndented

data class EnumElement(
  override val location: Location,
  override val name: String,
  override val documentation: String = "",
  override val options: List = emptyList(),
  val constants: List = emptyList()
) : TypeElement {
  // Enums do not allow nested type declarations.
  override val nestedTypes: List = emptyList()

  override fun toSchema() = buildString {
    appendDocumentation(this, documentation)
    append("enum $name {")

    if (options.isNotEmpty() || constants.isNotEmpty()) {
      append('\n')
    }

    if (options.isNotEmpty()) {
      for (option in options) {
        appendIndented(this, option.toSchemaDeclaration())
      }
    }
    if (constants.isNotEmpty()) {
      for (constant in constants) {
        appendIndented(this, constant.toSchema())
      }
    }
    append("}\n")
  }
}