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Diffstat (limited to 'csharp/src/ProtocolBuffers/ExtendableBuilderLite.cs')
| -rw-r--r-- | csharp/src/ProtocolBuffers/ExtendableBuilderLite.cs | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/csharp/src/ProtocolBuffers/ExtendableBuilderLite.cs b/csharp/src/ProtocolBuffers/ExtendableBuilderLite.cs new file mode 100644 index 00000000..7f97ccfb --- /dev/null +++ b/csharp/src/ProtocolBuffers/ExtendableBuilderLite.cs @@ -0,0 +1,345 @@ +#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 System.Collections.Generic;
+using Google.ProtocolBuffers.Descriptors;
+
+namespace Google.ProtocolBuffers
+{
+ public abstract partial class ExtendableBuilderLite<TMessage, TBuilder> : GeneratedBuilderLite<TMessage, TBuilder>
+ where TMessage : ExtendableMessageLite<TMessage, TBuilder>
+ where TBuilder : GeneratedBuilderLite<TMessage, TBuilder>
+ {
+ protected ExtendableBuilderLite()
+ {
+ }
+
+ /// <summary>
+ /// Checks if a singular extension is present
+ /// </summary>
+ public bool HasExtension<TExtension>(GeneratedExtensionLite<TMessage, TExtension> extension)
+ {
+ return MessageBeingBuilt.HasExtension(extension);
+ }
+
+ /// <summary>
+ /// Returns the number of elements in a repeated extension.
+ /// </summary>
+ public int GetExtensionCount<TExtension>(GeneratedExtensionLite<TMessage, IList<TExtension>> extension)
+ {
+ return MessageBeingBuilt.GetExtensionCount(extension);
+ }
+
+ /// <summary>
+ /// Returns the value of an extension.
+ /// </summary>
+ public TExtension GetExtension<TExtension>(GeneratedExtensionLite<TMessage, TExtension> extension)
+ {
+ return MessageBeingBuilt.GetExtension(extension);
+ }
+
+ /// <summary>
+ /// Returns one element of a repeated extension.
+ /// </summary>
+ public TExtension GetExtension<TExtension>(GeneratedExtensionLite<TMessage, IList<TExtension>> extension,
+ int index)
+ {
+ return MessageBeingBuilt.GetExtension(extension, index);
+ }
+
+ /// <summary>
+ /// Sets the value of an extension.
+ /// </summary>
+ public TBuilder SetExtension<TExtension>(GeneratedExtensionLite<TMessage, TExtension> extension,
+ TExtension value)
+ {
+ ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt;
+ message.VerifyExtensionContainingType(extension);
+ message.Extensions[extension.Descriptor] = extension.ToReflectionType(value);
+ return ThisBuilder;
+ }
+
+ /// <summary>
+ /// Sets the value of one element of a repeated extension.
+ /// </summary>
+ public TBuilder SetExtension<TExtension>(GeneratedExtensionLite<TMessage, IList<TExtension>> extension,
+ int index, TExtension value)
+ {
+ ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt;
+ message.VerifyExtensionContainingType(extension);
+ message.Extensions[extension.Descriptor, index] = extension.SingularToReflectionType(value);
+ return ThisBuilder;
+ }
+
+ /// <summary>
+ /// Appends a value to a repeated extension.
+ /// </summary>
+ public TBuilder AddExtension<TExtension>(GeneratedExtensionLite<TMessage, IList<TExtension>> extension,
+ TExtension value)
+ {
+ ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt;
+ message.VerifyExtensionContainingType(extension);
+ message.Extensions.AddRepeatedField(extension.Descriptor, extension.SingularToReflectionType(value));
+ return ThisBuilder;
+ }
+
+ /// <summary>
+ /// Clears an extension.
+ /// </summary>
+ public TBuilder ClearExtension<TExtension>(GeneratedExtensionLite<TMessage, TExtension> extension)
+ {
+ ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt;
+ message.VerifyExtensionContainingType(extension);
+ message.Extensions.ClearField(extension.Descriptor);
+ return ThisBuilder;
+ }
+
+ /// <summary>
+ /// Called by subclasses to parse an unknown field or an extension.
+ /// </summary>
+ /// <returns>true unless the tag is an end-group tag</returns>
+ protected override bool ParseUnknownField(ICodedInputStream input,
+ ExtensionRegistry extensionRegistry, uint tag, string fieldName)
+ {
+ FieldSet extensions = MessageBeingBuilt.Extensions;
+
+ WireFormat.WireType wireType = WireFormat.GetTagWireType(tag);
+ int fieldNumber = WireFormat.GetTagFieldNumber(tag);
+ IGeneratedExtensionLite extension = extensionRegistry[DefaultInstanceForType, fieldNumber];
+
+ if (extension == null) //unknown field
+ {
+ return input.SkipField();
+ }
+
+ IFieldDescriptorLite field = extension.Descriptor;
+
+
+ // Unknown field or wrong wire type. Skip.
+ if (field == null)
+ {
+ return input.SkipField();
+ }
+ WireFormat.WireType expectedType = field.IsPacked
+ ? WireFormat.WireType.LengthDelimited
+ : WireFormat.GetWireType(field.FieldType);
+ if (wireType != expectedType)
+ {
+ expectedType = WireFormat.GetWireType(field.FieldType);
+ if (wireType == expectedType)
+ {
+ //Allowed as of 2.3, this is unpacked data for a packed array
+ }
+ else if (field.IsRepeated && wireType == WireFormat.WireType.LengthDelimited &&
+ (expectedType == WireFormat.WireType.Varint || expectedType == WireFormat.WireType.Fixed32 ||
+ expectedType == WireFormat.WireType.Fixed64))
+ {
+ //Allowed as of 2.3, this is packed data for an unpacked array
+ }
+ else
+ {
+ return input.SkipField();
+ }
+ }
+ if (!field.IsRepeated && wireType != WireFormat.GetWireType(field.FieldType)) //invalid wire type
+ {
+ return input.SkipField();
+ }
+
+ switch (field.FieldType)
+ {
+ case FieldType.Group:
+ case FieldType.Message:
+ {
+ if (!field.IsRepeated)
+ {
+ IMessageLite message = extensions[extension.Descriptor] as IMessageLite;
+ IBuilderLite subBuilder = (message ?? extension.MessageDefaultInstance).WeakToBuilder();
+
+ if (field.FieldType == FieldType.Group)
+ {
+ input.ReadGroup(field.FieldNumber, subBuilder, extensionRegistry);
+ }
+ else
+ {
+ input.ReadMessage(subBuilder, extensionRegistry);
+ }
+
+ extensions[field] = subBuilder.WeakBuild();
+ }
+ else
+ {
+ List<IMessageLite> list = new List<IMessageLite>();
+ if (field.FieldType == FieldType.Group)
+ {
+ input.ReadGroupArray(tag, fieldName, list, extension.MessageDefaultInstance,
+ extensionRegistry);
+ }
+ else
+ {
+ input.ReadMessageArray(tag, fieldName, list, extension.MessageDefaultInstance,
+ extensionRegistry);
+ }
+
+ foreach (IMessageLite m in list)
+ {
+ extensions.AddRepeatedField(field, m);
+ }
+ return true;
+ }
+ break;
+ }
+ case FieldType.Enum:
+ {
+ if (!field.IsRepeated)
+ {
+ object unknown;
+ IEnumLite value = null;
+ if (input.ReadEnum(ref value, out unknown, field.EnumType))
+ {
+ extensions[field] = value;
+ }
+ }
+ else
+ {
+ ICollection<object> unknown;
+ List<IEnumLite> list = new List<IEnumLite>();
+ input.ReadEnumArray(tag, fieldName, list, out unknown, field.EnumType);
+
+ foreach (IEnumLite en in list)
+ {
+ extensions.AddRepeatedField(field, en);
+ }
+ }
+ break;
+ }
+ default:
+ {
+ if (!field.IsRepeated)
+ {
+ object value = null;
+ if (input.ReadPrimitiveField(field.FieldType, ref value))
+ {
+ extensions[field] = value;
+ }
+ }
+ else
+ {
+ List<object> list = new List<object>();
+ input.ReadPrimitiveArray(field.FieldType, tag, fieldName, list);
+ foreach (object oval in list)
+ {
+ extensions.AddRepeatedField(field, oval);
+ }
+ }
+ break;
+ }
+ }
+
+ return true;
+ }
+
+ #region Reflection
+
+ public object this[IFieldDescriptorLite field, int index]
+ {
+ set
+ {
+ if (field.IsExtension)
+ {
+ ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt;
+ message.Extensions[field, index] = value;
+ }
+ else
+ {
+ throw new NotSupportedException("Not supported in the lite runtime.");
+ }
+ }
+ }
+
+ public object this[IFieldDescriptorLite field]
+ {
+ set
+ {
+ if (field.IsExtension)
+ {
+ ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt;
+ message.Extensions[field] = value;
+ }
+ else
+ {
+ throw new NotSupportedException("Not supported in the lite runtime.");
+ }
+ }
+ }
+
+ public TBuilder ClearField(IFieldDescriptorLite field)
+ {
+ if (field.IsExtension)
+ {
+ ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt;
+ message.Extensions.ClearField(field);
+ return ThisBuilder;
+ }
+ else
+ {
+ throw new NotSupportedException("Not supported in the lite runtime.");
+ }
+ }
+
+ public TBuilder AddRepeatedField(IFieldDescriptorLite field, object value)
+ {
+ if (field.IsExtension)
+ {
+ ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt;
+ message.Extensions.AddRepeatedField(field, value);
+ return ThisBuilder;
+ }
+ else
+ {
+ throw new NotSupportedException("Not supported in the lite runtime.");
+ }
+ }
+
+ protected void MergeExtensionFields(ExtendableMessageLite<TMessage, TBuilder> other)
+ {
+ MessageBeingBuilt.Extensions.MergeFrom(other.Extensions);
+ }
+
+ #endregion
+ }
+}
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