diff options
Diffstat (limited to 'src/ProtocolBuffers/ExtendableBuilderLite.cs')
-rw-r--r-- | src/ProtocolBuffers/ExtendableBuilderLite.cs | 594 |
1 files changed, 332 insertions, 262 deletions
diff --git a/src/ProtocolBuffers/ExtendableBuilderLite.cs b/src/ProtocolBuffers/ExtendableBuilderLite.cs index b3d37eda..944b246b 100644 --- a/src/ProtocolBuffers/ExtendableBuilderLite.cs +++ b/src/ProtocolBuffers/ExtendableBuilderLite.cs @@ -1,262 +1,332 @@ -#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 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> - [CLSCompliant(false)] - protected override bool ParseUnknownField(CodedInputStream input, - ExtensionRegistry extensionRegistry, uint tag) { - FieldSet extensions = MessageBeingBuilt.Extensions; - - WireFormat.WireType wireType = WireFormat.GetTagWireType(tag); - int fieldNumber = WireFormat.GetTagFieldNumber(tag); - IGeneratedExtensionLite extension = extensionRegistry[DefaultInstanceForType, fieldNumber]; - - bool unknown = false; - bool packed = false; - if (extension == null) { - unknown = true; // Unknown field. - } else if (wireType == FieldMappingAttribute.WireTypeFromFieldType(extension.Descriptor.FieldType, false /* isPacked */)) { - packed = false; // Normal, unpacked value. - } else if (extension.Descriptor.IsRepeated && - //?? just returns true ?? extension.Descriptor.type.isPackable() && - wireType == FieldMappingAttribute.WireTypeFromFieldType(extension.Descriptor.FieldType, true /* isPacked */)) { - packed = true; // Packed value. - } else { - unknown = true; // Wrong wire type. - } - - if (unknown) { // Unknown field or wrong wire type. Skip. - return input.SkipField(tag); - } - - if (packed) { - int length = (int)Math.Min(int.MaxValue, input.ReadRawVarint32()); - int limit = input.PushLimit(length); - if (extension.Descriptor.FieldType == FieldType.Enum) { - while (!input.ReachedLimit) { - int rawValue = input.ReadEnum(); - Object value = - extension.Descriptor.EnumType.FindValueByNumber(rawValue); - if (value == null) { - // If the number isn't recognized as a valid value for this - // enum, drop it (don't even add it to unknownFields). - return true; - } - extensions.AddRepeatedField(extension.Descriptor, value); - } - } else { - while (!input.ReachedLimit) { - Object value = input.ReadPrimitiveField(extension.Descriptor.FieldType); - extensions.AddRepeatedField(extension.Descriptor, value); - } - } - input.PopLimit(limit); - } else { - Object value; - switch (extension.Descriptor.MappedType) { - case MappedType.Message: { - IBuilderLite subBuilder = null; - if (!extension.Descriptor.IsRepeated) { - IMessageLite existingValue = extensions[extension.Descriptor] as IMessageLite; - if (existingValue != null) { - subBuilder = existingValue.WeakToBuilder(); - } - } - if (subBuilder == null) { - subBuilder = extension.MessageDefaultInstance.WeakCreateBuilderForType(); - } - if (extension.Descriptor.FieldType == FieldType.Group) { - input.ReadGroup(extension.Number, subBuilder, extensionRegistry); - } else { - input.ReadMessage(subBuilder, extensionRegistry); - } - value = subBuilder.WeakBuild(); - break; - } - case MappedType.Enum: - int rawValue = input.ReadEnum(); - value = extension.Descriptor.EnumType.FindValueByNumber(rawValue); - // If the number isn't recognized as a valid value for this enum, - // drop it. - if (value == null) { - return true; - } - break; - default: - value = input.ReadPrimitiveField(extension.Descriptor.FieldType); - break; - } - - if (extension.Descriptor.IsRepeated) { - extensions.AddRepeatedField(extension.Descriptor, value); - } else { - extensions[extension.Descriptor] = value; - } - } - - 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 - } -} +#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 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>
+ [CLSCompliant(false)]
+ protected override bool ParseUnknownField(CodedInputStream input,
+ ExtensionRegistry extensionRegistry, uint tag)
+ {
+ FieldSet extensions = MessageBeingBuilt.Extensions;
+
+ WireFormat.WireType wireType = WireFormat.GetTagWireType(tag);
+ int fieldNumber = WireFormat.GetTagFieldNumber(tag);
+ IGeneratedExtensionLite extension = extensionRegistry[DefaultInstanceForType, fieldNumber];
+
+ bool unknown = false;
+ bool packed = false;
+ if (extension == null)
+ {
+ unknown = true; // Unknown field.
+ }
+ else if (wireType ==
+ FieldMappingAttribute.WireTypeFromFieldType(extension.Descriptor.FieldType, false /* isPacked */))
+ {
+ packed = false; // Normal, unpacked value.
+ }
+ else if (extension.Descriptor.IsRepeated &&
+ //?? just returns true ?? extension.Descriptor.type.isPackable() &&
+ wireType ==
+ FieldMappingAttribute.WireTypeFromFieldType(extension.Descriptor.FieldType, true /* isPacked */))
+ {
+ packed = true; // Packed value.
+ }
+ else
+ {
+ unknown = true; // Wrong wire type.
+ }
+
+ if (unknown)
+ {
+ // Unknown field or wrong wire type. Skip.
+ return input.SkipField(tag);
+ }
+
+ if (packed)
+ {
+ int length = (int) Math.Min(int.MaxValue, input.ReadRawVarint32());
+ int limit = input.PushLimit(length);
+ if (extension.Descriptor.FieldType == FieldType.Enum)
+ {
+ while (!input.ReachedLimit)
+ {
+ int rawValue = input.ReadEnum();
+ Object value =
+ extension.Descriptor.EnumType.FindValueByNumber(rawValue);
+ if (value == null)
+ {
+ // If the number isn't recognized as a valid value for this
+ // enum, drop it (don't even add it to unknownFields).
+ return true;
+ }
+ extensions.AddRepeatedField(extension.Descriptor, value);
+ }
+ }
+ else
+ {
+ while (!input.ReachedLimit)
+ {
+ Object value = input.ReadPrimitiveField(extension.Descriptor.FieldType);
+ extensions.AddRepeatedField(extension.Descriptor, value);
+ }
+ }
+ input.PopLimit(limit);
+ }
+ else
+ {
+ Object value;
+ switch (extension.Descriptor.MappedType)
+ {
+ case MappedType.Message:
+ {
+ IBuilderLite subBuilder = null;
+ if (!extension.Descriptor.IsRepeated)
+ {
+ IMessageLite existingValue = extensions[extension.Descriptor] as IMessageLite;
+ if (existingValue != null)
+ {
+ subBuilder = existingValue.WeakToBuilder();
+ }
+ }
+ if (subBuilder == null)
+ {
+ subBuilder = extension.MessageDefaultInstance.WeakCreateBuilderForType();
+ }
+ if (extension.Descriptor.FieldType == FieldType.Group)
+ {
+ input.ReadGroup(extension.Number, subBuilder, extensionRegistry);
+ }
+ else
+ {
+ input.ReadMessage(subBuilder, extensionRegistry);
+ }
+ value = subBuilder.WeakBuild();
+ break;
+ }
+ case MappedType.Enum:
+ int rawValue = input.ReadEnum();
+ value = extension.Descriptor.EnumType.FindValueByNumber(rawValue);
+ // If the number isn't recognized as a valid value for this enum,
+ // drop it.
+ if (value == null)
+ {
+ return true;
+ }
+ break;
+ default:
+ value = input.ReadPrimitiveField(extension.Descriptor.FieldType);
+ break;
+ }
+
+ if (extension.Descriptor.IsRepeated)
+ {
+ extensions.AddRepeatedField(extension.Descriptor, value);
+ }
+ else
+ {
+ extensions[extension.Descriptor] = value;
+ }
+ }
+
+ 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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