| #region Copyright notice and license |
| // Protocol Buffers - Google's data interchange format |
| // Copyright 2017 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| #endregion |
| |
| using System; |
| using System.Collections.Generic; |
| using System.Collections.ObjectModel; |
| using Google.Protobuf.Collections; |
| |
| namespace Google.Protobuf |
| { |
| /// <summary> |
| /// Represents a single field in an UnknownFieldSet. |
| /// |
| /// An UnknownField consists of four lists of values. The lists correspond |
| /// to the four "wire types" used in the protocol buffer binary format. |
| /// Normally, only one of the four lists will contain any values, since it |
| /// is impossible to define a valid message type that declares two different |
| /// types for the same field number. However, the code is designed to allow |
| /// for the case where the same unknown field number is encountered using |
| /// multiple different wire types. |
| /// |
| /// </summary> |
| internal sealed class UnknownField |
| { |
| private List<ulong> varintList; |
| private List<uint> fixed32List; |
| private List<ulong> fixed64List; |
| private List<ByteString> lengthDelimitedList; |
| |
| /// <summary> |
| /// Creates a new UnknownField. |
| /// </summary> |
| public UnknownField() |
| { |
| } |
| |
| /// <summary> |
| /// Checks if two unknown field are equal. |
| /// </summary> |
| public override bool Equals(object other) |
| { |
| if (ReferenceEquals(this, other)) |
| { |
| return true; |
| } |
| UnknownField otherField = other as UnknownField; |
| return otherField != null |
| && Lists.Equals(varintList, otherField.varintList) |
| && Lists.Equals(fixed32List, otherField.fixed32List) |
| && Lists.Equals(fixed64List, otherField.fixed64List) |
| && Lists.Equals(lengthDelimitedList, otherField.lengthDelimitedList); |
| } |
| |
| /// <summary> |
| /// Get the hash code of the unknown field. |
| /// </summary> |
| public override int GetHashCode() |
| { |
| int hash = 43; |
| hash = hash * 47 + Lists.GetHashCode(varintList); |
| hash = hash * 47 + Lists.GetHashCode(fixed32List); |
| hash = hash * 47 + Lists.GetHashCode(fixed64List); |
| hash = hash * 47 + Lists.GetHashCode(lengthDelimitedList); |
| return hash; |
| } |
| |
| /// <summary> |
| /// Serializes the field, including the field number, and writes it to |
| /// <paramref name="output"/> |
| /// </summary> |
| /// <param name="fieldNumber">The unknown field number.</param> |
| /// <param name="output">The CodedOutputStream to write to.</param> |
| internal void WriteTo(int fieldNumber, CodedOutputStream output) |
| { |
| if (varintList != null) |
| { |
| foreach (ulong value in varintList) |
| { |
| output.WriteTag(fieldNumber, WireFormat.WireType.Varint); |
| output.WriteUInt64(value); |
| } |
| } |
| if (fixed32List != null) |
| { |
| foreach (uint value in fixed32List) |
| { |
| output.WriteTag(fieldNumber, WireFormat.WireType.Fixed32); |
| output.WriteFixed32(value); |
| } |
| } |
| if (fixed64List != null) |
| { |
| foreach (ulong value in fixed64List) |
| { |
| output.WriteTag(fieldNumber, WireFormat.WireType.Fixed64); |
| output.WriteFixed64(value); |
| } |
| } |
| if (lengthDelimitedList != null) |
| { |
| foreach (ByteString value in lengthDelimitedList) |
| { |
| output.WriteTag(fieldNumber, WireFormat.WireType.LengthDelimited); |
| output.WriteBytes(value); |
| } |
| } |
| } |
| |
| /// <summary> |
| /// Computes the number of bytes required to encode this field, including field |
| /// number. |
| /// </summary> |
| internal int GetSerializedSize(int fieldNumber) |
| { |
| int result = 0; |
| if (varintList != null) |
| { |
| result += CodedOutputStream.ComputeTagSize(fieldNumber) * varintList.Count; |
| foreach (ulong value in varintList) |
| { |
| result += CodedOutputStream.ComputeUInt64Size(value); |
| } |
| } |
| if (fixed32List != null) |
| { |
| result += CodedOutputStream.ComputeTagSize(fieldNumber) * fixed32List.Count; |
| result += CodedOutputStream.ComputeFixed32Size(1) * fixed32List.Count; |
| } |
| if (fixed64List != null) |
| { |
| result += CodedOutputStream.ComputeTagSize(fieldNumber) * fixed64List.Count; |
| result += CodedOutputStream.ComputeFixed64Size(1) * fixed64List.Count; |
| } |
| if (lengthDelimitedList != null) |
| { |
| result += CodedOutputStream.ComputeTagSize(fieldNumber) * lengthDelimitedList.Count; |
| foreach (ByteString value in lengthDelimitedList) |
| { |
| result += CodedOutputStream.ComputeBytesSize(value); |
| } |
| } |
| return result; |
| } |
| |
| /// <summary> |
| /// Merge the values in <paramref name="other" /> into this field. For each list |
| /// of values, <paramref name="other"/>'s values are append to the ones in this |
| /// field. |
| /// </summary> |
| internal UnknownField MergeFrom(UnknownField other) |
| { |
| varintList = AddAll(varintList, other.varintList); |
| fixed32List = AddAll(fixed32List, other.fixed32List); |
| fixed64List = AddAll(fixed64List, other.fixed64List); |
| lengthDelimitedList = AddAll(lengthDelimitedList, other.lengthDelimitedList); |
| return this; |
| } |
| |
| /// <summary> |
| /// Returns a new list containing all of the given specified values from |
| /// both the <paramref name="current"/> and <paramref name="extras"/> lists. |
| /// If <paramref name="current" /> is null and <paramref name="extras"/> is empty, |
| /// null is returned. Otherwise, either a new list is created (if <paramref name="current" /> |
| /// is null) or the elements of <paramref name="extras"/> are added to <paramref name="current" />. |
| /// </summary> |
| private static List<T> AddAll<T>(List<T> current, IList<T> extras) |
| { |
| if (extras.Count == 0) |
| { |
| return current; |
| } |
| if (current == null) |
| { |
| current = new List<T>(extras); |
| } |
| else |
| { |
| current.AddRange(extras); |
| } |
| return current; |
| } |
| |
| /// <summary> |
| /// Adds a varint value. |
| /// </summary> |
| internal UnknownField AddVarint(ulong value) |
| { |
| varintList = Add(varintList, value); |
| return this; |
| } |
| |
| /// <summary> |
| /// Adds a fixed32 value. |
| /// </summary> |
| internal UnknownField AddFixed32(uint value) |
| { |
| fixed32List = Add(fixed32List, value); |
| return this; |
| } |
| |
| /// <summary> |
| /// Adds a fixed64 value. |
| /// </summary> |
| internal UnknownField AddFixed64(ulong value) |
| { |
| fixed64List = Add(fixed64List, value); |
| return this; |
| } |
| |
| /// <summary> |
| /// Adds a length-delimited value. |
| /// </summary> |
| internal UnknownField AddLengthDelimited(ByteString value) |
| { |
| lengthDelimitedList = Add(lengthDelimitedList, value); |
| return this; |
| } |
| |
| /// <summary> |
| /// Adds <paramref name="value"/> to the <paramref name="list"/>, creating |
| /// a new list if <paramref name="list"/> is null. The list is returned - either |
| /// the original reference or the new list. |
| /// </summary> |
| private static List<T> Add<T>(List<T> list, T value) |
| { |
| if (list == null) |
| { |
| list = new List<T>(); |
| } |
| list.Add(value); |
| return list; |
| } |
| } |
| } |