main.scala.smithy4s.protobuf.internals.Wire.scala Maven / Gradle / Ivy
/*
* Copyright 2021-2024 Disney Streaming
*
* Licensed under the Tomorrow Open Source Technology License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://disneystreaming.github.io/TOST-1.0.txt
*
* 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 smithy4s.protobuf.internals
private[internals] object Wire {
def encodeTag(protoIndex: Int, wireType: Int): Int =
(protoIndex << 3) | wireType
def decodeTag(byte: Byte): (Int, Int) = {
val m = byte & 0xff
(m >> 3, m & 0x7)
}
// See https://protobuf.dev/programming-guides/encoding/#structure
//
// NB : not ascribing types to get special encoding in bytecode.
object WireType {
final val Varint = 0x00
final val Fixed64 = 0x01
final val LengthDelimited = 0x02
final val Fixed32 = 0x05
}
}