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Diffstat (limited to 'third_party/protobuf/3.6.0/csharp/src/Google.Protobuf/UnknownFieldSet.cs')
| -rw-r--r-- | third_party/protobuf/3.6.0/csharp/src/Google.Protobuf/UnknownFieldSet.cs | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/third_party/protobuf/3.6.0/csharp/src/Google.Protobuf/UnknownFieldSet.cs b/third_party/protobuf/3.6.0/csharp/src/Google.Protobuf/UnknownFieldSet.cs deleted file mode 100644 index 6404c3c08f..0000000000 --- a/third_party/protobuf/3.6.0/csharp/src/Google.Protobuf/UnknownFieldSet.cs +++ /dev/null @@ -1,330 +0,0 @@ -#region Copyright notice and license -// Protocol Buffers - Google's data interchange format -// Copyright 2015 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.IO; -using Google.Protobuf.Reflection; - -namespace Google.Protobuf -{ - /// <summary> - /// Used to keep track of fields which were seen when parsing a protocol message - /// but whose field numbers or types are unrecognized. This most frequently - /// occurs when new fields are added to a message type and then messages containing - /// those fields are read by old software that was built before the new types were - /// added. - /// - /// Most users will never need to use this class directly. - /// </summary> - public sealed partial class UnknownFieldSet - { - private readonly IDictionary<int, UnknownField> fields; - - /// <summary> - /// Creates a new UnknownFieldSet. - /// </summary> - internal UnknownFieldSet() - { - this.fields = new Dictionary<int, UnknownField>(); - } - - /// <summary> - /// Checks whether or not the given field number is present in the set. - /// </summary> - internal bool HasField(int field) - { - return fields.ContainsKey(field); - } - - /// <summary> - /// Serializes the set and writes it to <paramref name="output"/>. - /// </summary> - public void WriteTo(CodedOutputStream output) - { - foreach (KeyValuePair<int, UnknownField> entry in fields) - { - entry.Value.WriteTo(entry.Key, output); - } - } - - /// <summary> - /// Gets the number of bytes required to encode this set. - /// </summary> - public int CalculateSize() - { - int result = 0; - foreach (KeyValuePair<int, UnknownField> entry in fields) - { - result += entry.Value.GetSerializedSize(entry.Key); - } - return result; - } - - /// <summary> - /// Checks if two unknown field sets are equal. - /// </summary> - public override bool Equals(object other) - { - if (ReferenceEquals(this, other)) - { - return true; - } - UnknownFieldSet otherSet = other as UnknownFieldSet; - IDictionary<int, UnknownField> otherFields = otherSet.fields; - if (fields.Count != otherFields.Count) - { - return false; - } - foreach (KeyValuePair<int, UnknownField> leftEntry in fields) - { - UnknownField rightValue; - if (!otherFields.TryGetValue(leftEntry.Key, out rightValue)) - { - return false; - } - if (!leftEntry.Value.Equals(rightValue)) - { - return false; - } - } - return true; - } - - /// <summary> - /// Gets the unknown field set's hash code. - /// </summary> - public override int GetHashCode() - { - int ret = 1; - foreach (KeyValuePair<int, UnknownField> field in fields) - { - // Use ^ here to make the field order irrelevant. - int hash = field.Key.GetHashCode() ^ field.Value.GetHashCode(); - ret ^= hash; - } - return ret; - } - - // Optimization: We keep around the last field that was - // modified so that we can efficiently add to it multiple times in a - // row (important when parsing an unknown repeated field). - private int lastFieldNumber; - private UnknownField lastField; - - private UnknownField GetOrAddField(int number) - { - if (lastField != null && number == lastFieldNumber) - { - return lastField; - } - if (number == 0) - { - return null; - } - - UnknownField existing; - if (fields.TryGetValue(number, out existing)) - { - return existing; - } - lastField = new UnknownField(); - AddOrReplaceField(number, lastField); - lastFieldNumber = number; - return lastField; - } - - /// <summary> - /// Adds a field to the set. If a field with the same number already exists, it - /// is replaced. - /// </summary> - internal UnknownFieldSet AddOrReplaceField(int number, UnknownField field) - { - if (number == 0) - { - throw new ArgumentOutOfRangeException("number", "Zero is not a valid field number."); - } - fields[number] = field; - return this; - } - - /// <summary> - /// Parse a single field from <paramref name="input"/> and merge it - /// into this set. - /// </summary> - /// <param name="input">The coded input stream containing the field</param> - /// <returns>false if the tag is an "end group" tag, true otherwise</returns> - private void MergeFieldFrom(CodedInputStream input) - { - uint tag = input.LastTag; - int number = WireFormat.GetTagFieldNumber(tag); - switch (WireFormat.GetTagWireType(tag)) - { - case WireFormat.WireType.Varint: - { - ulong uint64 = input.ReadUInt64(); - GetOrAddField(number).AddVarint(uint64); - return; - } - case WireFormat.WireType.Fixed32: - { - uint uint32 = input.ReadFixed32(); - GetOrAddField(number).AddFixed32(uint32); - return; - } - case WireFormat.WireType.Fixed64: - { - ulong uint64 = input.ReadFixed64(); - GetOrAddField(number).AddFixed64(uint64); - return; - } - case WireFormat.WireType.LengthDelimited: - { - ByteString bytes = input.ReadBytes(); - GetOrAddField(number).AddLengthDelimited(bytes); - return; - } - case WireFormat.WireType.StartGroup: - { - input.SkipGroup(tag); - return; - } - case WireFormat.WireType.EndGroup: - { - throw new InvalidProtocolBufferException("Merge an unknown field of end-group tag, indicating that the corresponding start-group was missing."); - } - default: - throw new InvalidOperationException("Wire Type is invalid."); - } - } - - /// <summary> - /// Create a new UnknownFieldSet if unknownFields is null. - /// Parse a single field from <paramref name="input"/> and merge it - /// into unknownFields. If <paramref name="input"/> is configured to discard unknown fields, - /// <paramref name="unknownFields"/> will be returned as-is and the field will be skipped. - /// </summary> - /// <param name="unknownFields">The UnknownFieldSet which need to be merged</param> - /// <param name="input">The coded input stream containing the field</param> - /// <returns>The merged UnknownFieldSet</returns> - public static UnknownFieldSet MergeFieldFrom(UnknownFieldSet unknownFields, - CodedInputStream input) - { - if (input.DiscardUnknownFields) - { - input.SkipLastField(); - return unknownFields; - } - if (unknownFields == null) - { - unknownFields = new UnknownFieldSet(); - } - unknownFields.MergeFieldFrom(input); - return unknownFields; - } - - /// <summary> - /// Merges the fields from <paramref name="other"/> into this set. - /// If a field number exists in both sets, the values in <paramref name="other"/> - /// will be appended to the values in this set. - /// </summary> - private UnknownFieldSet MergeFrom(UnknownFieldSet other) - { - if (other != null) - { - foreach (KeyValuePair<int, UnknownField> entry in other.fields) - { - MergeField(entry.Key, entry.Value); - } - } - return this; - } - - /// <summary> - /// Created a new UnknownFieldSet to <paramref name="unknownFields"/> if - /// needed and merges the fields from <paramref name="other"/> into the first set. - /// If a field number exists in both sets, the values in <paramref name="other"/> - /// will be appended to the values in this set. - /// </summary> - public static UnknownFieldSet MergeFrom(UnknownFieldSet unknownFields, - UnknownFieldSet other) - { - if (other == null) - { - return unknownFields; - } - if (unknownFields == null) - { - unknownFields = new UnknownFieldSet(); - } - unknownFields.MergeFrom(other); - return unknownFields; - } - - - /// <summary> - /// Adds a field to the unknown field set. If a field with the same - /// number already exists, the two are merged. - /// </summary> - private UnknownFieldSet MergeField(int number, UnknownField field) - { - if (number == 0) - { - throw new ArgumentOutOfRangeException("number", "Zero is not a valid field number."); - } - if (HasField(number)) - { - GetOrAddField(number).MergeFrom(field); - } - else - { - AddOrReplaceField(number, field); - } - return this; - } - - /// <summary> - /// Clone an unknown field set from <paramref name="other"/>. - /// </summary> - public static UnknownFieldSet Clone(UnknownFieldSet other) - { - if (other == null) - { - return null; - } - UnknownFieldSet unknownFields = new UnknownFieldSet(); - unknownFields.MergeFrom(other); - return unknownFields; - } - } -} - |