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authorcsharptest <roger@csharptest.net>2011-05-20 13:57:07 -0500
committerrogerk <devnull@localhost>2011-05-20 13:57:07 -0500
commitd965c666ecf405f4e997ab251e72551508a14678 (patch)
treed5a76f7fda1daebc6838f9fa44afa98bec1bea05 /src/ProtocolBuffers/WireFormat.cs
parent62ce3a625e2a81f7631c73805b892c40ec8519f5 (diff)
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Diffstat (limited to 'src/ProtocolBuffers/WireFormat.cs')
-rw-r--r--src/ProtocolBuffers/WireFormat.cs342
1 files changed, 171 insertions, 171 deletions
diff --git a/src/ProtocolBuffers/WireFormat.cs b/src/ProtocolBuffers/WireFormat.cs
index b98d364c..953364ad 100644
--- a/src/ProtocolBuffers/WireFormat.cs
+++ b/src/ProtocolBuffers/WireFormat.cs
@@ -1,56 +1,56 @@
-#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;
-#if !LITE
-using Google.ProtocolBuffers.Descriptors;
-#endif
-
-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.
+#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;
+#if !LITE
+using Google.ProtocolBuffers.Descriptors;
+#endif
+
+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;
@@ -58,121 +58,121 @@ namespace Google.ProtocolBuffers {
public const int SFixed64Size = 8;
public const int FloatSize = 4;
public const int DoubleSize = 8;
- public const int BoolSize = 1;
-#endregion
-
- [CLSCompliant(false)]
- 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>
- [CLSCompliant(false)]
- public static WireType GetTagWireType(uint tag) {
- return (WireType) (tag & TagTypeMask);
- }
-
- [CLSCompliant(false)]
- 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>
- [CLSCompliant(false)]
- 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>
- [CLSCompliant(false)]
- public static uint MakeTag(int fieldNumber, WireType wireType) {
- return (uint) (fieldNumber << TagTypeBits) | (uint) wireType;
- }
-
-#if !LITE
- [CLSCompliant(false)]
- 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);
- }
-
- /// <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>
- [CLSCompliant(false)]
- 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");
- }
- }
-#endif
- }
-}
+ public const int BoolSize = 1;
+#endregion
+
+ [CLSCompliant(false)]
+ 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>
+ [CLSCompliant(false)]
+ public static WireType GetTagWireType(uint tag) {
+ return (WireType) (tag & TagTypeMask);
+ }
+
+ [CLSCompliant(false)]
+ 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>
+ [CLSCompliant(false)]
+ 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>
+ [CLSCompliant(false)]
+ public static uint MakeTag(int fieldNumber, WireType wireType) {
+ return (uint) (fieldNumber << TagTypeBits) | (uint) wireType;
+ }
+
+#if !LITE
+ [CLSCompliant(false)]
+ 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);
+ }
+
+ /// <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>
+ [CLSCompliant(false)]
+ 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");
+ }
+ }
+#endif
+ }
+}