aboutsummaryrefslogtreecommitdiffhomepage
path: root/csharp/src/ProtocolBuffers/WireFormat.cs
diff options
context:
space:
mode:
Diffstat (limited to 'csharp/src/ProtocolBuffers/WireFormat.cs')
-rw-r--r--csharp/src/ProtocolBuffers/WireFormat.cs185
1 files changed, 0 insertions, 185 deletions
diff --git a/csharp/src/ProtocolBuffers/WireFormat.cs b/csharp/src/ProtocolBuffers/WireFormat.cs
deleted file mode 100644
index b9daa328..00000000
--- a/csharp/src/ProtocolBuffers/WireFormat.cs
+++ /dev/null
@@ -1,185 +0,0 @@
-#region Copyright notice and license
-
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc. All rights reserved.
-// http://github.com/jskeet/dotnet-protobufs/
-// Original C++/Java/Python code:
-// http://code.google.com/p/protobuf/
-//
-// 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 Google.ProtocolBuffers.Descriptors;
-
-namespace Google.ProtocolBuffers
-{
- /// <summary>
- /// This class is used internally by the Protocol Buffer Library and generated
- /// message implementations. It is public only for the sake of those generated
- /// messages. Others should not use this class directly.
- /// <para>
- /// This class contains constants and helper functions useful for dealing with
- /// the Protocol Buffer wire format.
- /// </para>
- /// </summary>
- public static class WireFormat
- {
- #region Fixed sizes.
-
- // TODO(jonskeet): Move these somewhere else. They're messy. Consider making FieldType a smarter kind of enum
- public const int Fixed32Size = 4;
- public const int Fixed64Size = 8;
- public const int SFixed32Size = 4;
- public const int SFixed64Size = 8;
- public const int FloatSize = 4;
- public const int DoubleSize = 8;
- public const int BoolSize = 1;
-
- #endregion
-
- public enum WireType : uint
- {
- Varint = 0,
- Fixed64 = 1,
- LengthDelimited = 2,
- StartGroup = 3,
- EndGroup = 4,
- Fixed32 = 5
- }
-
- internal static class MessageSetField
- {
- internal const int Item = 1;
- internal const int TypeID = 2;
- internal const int Message = 3;
- }
-
- internal static class MessageSetTag
- {
- internal static readonly uint ItemStart = MakeTag(MessageSetField.Item, WireType.StartGroup);
- internal static readonly uint ItemEnd = MakeTag(MessageSetField.Item, WireType.EndGroup);
- internal static readonly uint TypeID = MakeTag(MessageSetField.TypeID, WireType.Varint);
- internal static readonly uint Message = MakeTag(MessageSetField.Message, WireType.LengthDelimited);
- }
-
- private const int TagTypeBits = 3;
- private const uint TagTypeMask = (1 << TagTypeBits) - 1;
-
- /// <summary>
- /// Given a tag value, determines the wire type (lower 3 bits).
- /// </summary>
- public static WireType GetTagWireType(uint tag)
- {
- return (WireType) (tag & TagTypeMask);
- }
-
- public static bool IsEndGroupTag(uint tag)
- {
- return (WireType) (tag & TagTypeMask) == WireType.EndGroup;
- }
-
- /// <summary>
- /// Given a tag value, determines the field number (the upper 29 bits).
- /// </summary>
- public static int GetTagFieldNumber(uint tag)
- {
- return (int) tag >> TagTypeBits;
- }
-
- /// <summary>
- /// Makes a tag value given a field number and wire type.
- /// TODO(jonskeet): Should we just have a Tag structure?
- /// </summary>
- public static uint MakeTag(int fieldNumber, WireType wireType)
- {
- return (uint) (fieldNumber << TagTypeBits) | (uint) wireType;
- }
-
-#if !LITE
- public static uint MakeTag(FieldDescriptor field)
- {
- return MakeTag(field.FieldNumber, GetWireType(field));
- }
-
- /// <summary>
- /// Returns the wire type for the given field descriptor. This differs
- /// from GetWireType(FieldType) for packed repeated fields.
- /// </summary>
- internal static WireType GetWireType(FieldDescriptor descriptor)
- {
- return descriptor.IsPacked ? WireType.LengthDelimited : GetWireType(descriptor.FieldType);
- }
-
-#endif
-
- /// <summary>
- /// Converts a field type to its wire type. Done with a switch for the sake
- /// of speed - this is significantly faster than a dictionary lookup.
- /// </summary>
- public static WireType GetWireType(FieldType fieldType)
- {
- switch (fieldType)
- {
- case FieldType.Double:
- return WireType.Fixed64;
- case FieldType.Float:
- return WireType.Fixed32;
- case FieldType.Int64:
- case FieldType.UInt64:
- case FieldType.Int32:
- return WireType.Varint;
- case FieldType.Fixed64:
- return WireType.Fixed64;
- case FieldType.Fixed32:
- return WireType.Fixed32;
- case FieldType.Bool:
- return WireType.Varint;
- case FieldType.String:
- return WireType.LengthDelimited;
- case FieldType.Group:
- return WireType.StartGroup;
- case FieldType.Message:
- case FieldType.Bytes:
- return WireType.LengthDelimited;
- case FieldType.UInt32:
- return WireType.Varint;
- case FieldType.SFixed32:
- return WireType.Fixed32;
- case FieldType.SFixed64:
- return WireType.Fixed64;
- case FieldType.SInt32:
- case FieldType.SInt64:
- case FieldType.Enum:
- return WireType.Varint;
- default:
- throw new ArgumentOutOfRangeException("No such field type");
- }
- }
- }
-} \ No newline at end of file