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author | Jan Tattermusch <jtattermusch@google.com> | 2015-04-16 09:55:22 -0700 |
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committer | Jan Tattermusch <jtattermusch@google.com> | 2015-04-16 09:55:22 -0700 |
commit | 84fa3e2bbc876428efd0c99700f146115a9d5162 (patch) | |
tree | 47baa5dafe3c3ab1c49fe2ca44e9f3ffd0e0b127 /csharp/src/ProtocolBuffers/AbstractBuilder.cs | |
parent | 813d6d652d8091e9365bfbd01efb5f2ee8bdfbce (diff) | |
parent | 836a273544f55c88d8d0988ef0117cb0636707c6 (diff) | |
download | protobuf-84fa3e2bbc876428efd0c99700f146115a9d5162.tar.gz protobuf-84fa3e2bbc876428efd0c99700f146115a9d5162.tar.bz2 protobuf-84fa3e2bbc876428efd0c99700f146115a9d5162.zip |
Imported protobuf-csharp-port into csharp/ tree
Diffstat (limited to 'csharp/src/ProtocolBuffers/AbstractBuilder.cs')
-rw-r--r-- | csharp/src/ProtocolBuffers/AbstractBuilder.cs | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/csharp/src/ProtocolBuffers/AbstractBuilder.cs b/csharp/src/ProtocolBuffers/AbstractBuilder.cs new file mode 100644 index 00000000..e7a41fb3 --- /dev/null +++ b/csharp/src/ProtocolBuffers/AbstractBuilder.cs @@ -0,0 +1,266 @@ +#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;
+using System.Collections.Generic;
+using Google.ProtocolBuffers.Descriptors;
+
+namespace Google.ProtocolBuffers
+{
+ /// <summary>
+ /// Implementation of the non-generic IMessage interface as far as possible.
+ /// </summary>
+ public abstract partial class AbstractBuilder<TMessage, TBuilder> : AbstractBuilderLite<TMessage, TBuilder>,
+ IBuilder<TMessage, TBuilder>
+ where TMessage : AbstractMessage<TMessage, TBuilder>
+ where TBuilder : AbstractBuilder<TMessage, TBuilder>
+ {
+ #region Unimplemented members of IBuilder
+
+ public abstract UnknownFieldSet UnknownFields { get; set; }
+ public abstract IDictionary<FieldDescriptor, object> AllFields { get; }
+ public abstract object this[FieldDescriptor field] { get; set; }
+ public abstract MessageDescriptor DescriptorForType { get; }
+ public abstract int GetRepeatedFieldCount(FieldDescriptor field);
+ public abstract object this[FieldDescriptor field, int index] { get; set; }
+ public abstract bool HasField(FieldDescriptor field);
+ public abstract IBuilder CreateBuilderForField(FieldDescriptor field);
+ public abstract TBuilder ClearField(FieldDescriptor field);
+ public abstract TBuilder AddRepeatedField(FieldDescriptor field, object value);
+
+ #endregion
+
+ public TBuilder SetUnknownFields(UnknownFieldSet fields)
+ {
+ UnknownFields = fields;
+ return ThisBuilder;
+ }
+
+ public override TBuilder Clear()
+ {
+ foreach (FieldDescriptor field in AllFields.Keys)
+ {
+ ClearField(field);
+ }
+ return ThisBuilder;
+ }
+
+ public override sealed TBuilder MergeFrom(IMessageLite other)
+ {
+ if (other is IMessage)
+ {
+ return MergeFrom((IMessage) other);
+ }
+ throw new ArgumentException("MergeFrom(Message) can only merge messages of the same type.");
+ }
+
+ /// <summary>
+ /// Merge the specified other message into the message being
+ /// built. Merging occurs as follows. For each field:
+ /// For singular primitive fields, if the field is set in <paramref name="other"/>,
+ /// then <paramref name="other"/>'s value overwrites the value in this message.
+ /// For singular message fields, if the field is set in <paramref name="other"/>,
+ /// it is merged into the corresponding sub-message of this message using the same
+ /// merging rules.
+ /// For repeated fields, the elements in <paramref name="other"/> are concatenated
+ /// with the elements in this message.
+ /// </summary>
+ /// <param name="other"></param>
+ /// <returns></returns>
+ public abstract TBuilder MergeFrom(TMessage other);
+
+ public virtual TBuilder MergeFrom(IMessage other)
+ {
+ if (other.DescriptorForType != DescriptorForType)
+ {
+ throw new ArgumentException("MergeFrom(IMessage) can only merge messages of the same type.");
+ }
+
+ // Note: We don't attempt to verify that other's fields have valid
+ // types. Doing so would be a losing battle. We'd have to verify
+ // all sub-messages as well, and we'd have to make copies of all of
+ // them to insure that they don't change after verification (since
+ // the Message interface itself cannot enforce immutability of
+ // implementations).
+ // TODO(jonskeet): Provide a function somewhere called MakeDeepCopy()
+ // which allows people to make secure deep copies of messages.
+ foreach (KeyValuePair<FieldDescriptor, object> entry in other.AllFields)
+ {
+ FieldDescriptor field = entry.Key;
+ if (field.IsRepeated)
+ {
+ // Concatenate repeated fields
+ foreach (object element in (IEnumerable) entry.Value)
+ {
+ AddRepeatedField(field, element);
+ }
+ }
+ else if (field.MappedType == MappedType.Message)
+ {
+ // Merge singular messages
+ IMessageLite existingValue = (IMessageLite) this[field];
+ if (existingValue == existingValue.WeakDefaultInstanceForType)
+ {
+ this[field] = entry.Value;
+ }
+ else
+ {
+ this[field] = existingValue.WeakCreateBuilderForType()
+ .WeakMergeFrom(existingValue)
+ .WeakMergeFrom((IMessageLite) entry.Value)
+ .WeakBuild();
+ }
+ }
+ else
+ {
+ // Overwrite simple values
+ this[field] = entry.Value;
+ }
+ }
+
+ //Fix for unknown fields not merging, see java's AbstractMessage.Builder<T> line 236
+ MergeUnknownFields(other.UnknownFields);
+
+ return ThisBuilder;
+ }
+
+ public override TBuilder MergeFrom(ICodedInputStream input, ExtensionRegistry extensionRegistry)
+ {
+ UnknownFieldSet.Builder unknownFields = UnknownFieldSet.CreateBuilder(UnknownFields);
+ unknownFields.MergeFrom(input, extensionRegistry, this);
+ UnknownFields = unknownFields.Build();
+ return ThisBuilder;
+ }
+
+ public virtual TBuilder MergeUnknownFields(UnknownFieldSet unknownFields)
+ {
+ UnknownFields = UnknownFieldSet.CreateBuilder(UnknownFields)
+ .MergeFrom(unknownFields)
+ .Build();
+ return ThisBuilder;
+ }
+
+ public virtual IBuilder SetField(FieldDescriptor field, object value)
+ {
+ this[field] = value;
+ return ThisBuilder;
+ }
+
+ public virtual IBuilder SetRepeatedField(FieldDescriptor field, int index, object value)
+ {
+ this[field, index] = value;
+ return ThisBuilder;
+ }
+
+ #region Explicit Implementations
+
+ IMessage IBuilder.WeakBuild()
+ {
+ return Build();
+ }
+
+ IBuilder IBuilder.WeakAddRepeatedField(FieldDescriptor field, object value)
+ {
+ return AddRepeatedField(field, value);
+ }
+
+ IBuilder IBuilder.WeakClear()
+ {
+ return Clear();
+ }
+
+ IBuilder IBuilder.WeakMergeFrom(IMessage message)
+ {
+ return MergeFrom(message);
+ }
+
+ IBuilder IBuilder.WeakMergeFrom(ICodedInputStream input)
+ {
+ return MergeFrom(input);
+ }
+
+ IBuilder IBuilder.WeakMergeFrom(ICodedInputStream input, ExtensionRegistry registry)
+ {
+ return MergeFrom(input, registry);
+ }
+
+ IBuilder IBuilder.WeakMergeFrom(ByteString data)
+ {
+ return MergeFrom(data);
+ }
+
+ IBuilder IBuilder.WeakMergeFrom(ByteString data, ExtensionRegistry registry)
+ {
+ return MergeFrom(data, registry);
+ }
+
+ IMessage IBuilder.WeakBuildPartial()
+ {
+ return BuildPartial();
+ }
+
+ IBuilder IBuilder.WeakClone()
+ {
+ return Clone();
+ }
+
+ IMessage IBuilder.WeakDefaultInstanceForType
+ {
+ get { return DefaultInstanceForType; }
+ }
+
+ IBuilder IBuilder.WeakClearField(FieldDescriptor field)
+ {
+ return ClearField(field);
+ }
+
+ #endregion
+
+ /// <summary>
+ /// Converts this builder to a string using <see cref="TextFormat" />.
+ /// </summary>
+ /// <remarks>
+ /// This method is not sealed (in the way that it is in <see cref="AbstractMessage{TMessage, TBuilder}" />
+ /// as it was added after earlier releases; some other implementations may already be overriding the
+ /// method.
+ /// </remarks>
+ public override string ToString()
+ {
+ return TextFormat.PrintToString(this);
+ }
+ }
+}
\ No newline at end of file |