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#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 System.IO;
using System.Xml;
using Google.ProtocolBuffers.Collections;
using Google.ProtocolBuffers.Descriptors;
using Google.ProtocolBuffers.FieldAccess;
namespace Google.ProtocolBuffers
{
/// <summary>
/// All generated protocol message classes extend this class. It implements
/// most of the IMessage interface using reflection. Users
/// can ignore this class as an implementation detail.
/// </summary>
public abstract partial class GeneratedMessage<TMessage, TBuilder> : AbstractMessage<TMessage, TBuilder>
where TMessage : GeneratedMessage<TMessage, TBuilder>
where TBuilder : GeneratedBuilder<TMessage, TBuilder>, new()
{
private UnknownFieldSet unknownFields = UnknownFieldSet.DefaultInstance;
/// <summary>
/// Returns the message as a TMessage.
/// </summary>
protected abstract TMessage ThisMessage { get; }
internal FieldAccessorTable<TMessage, TBuilder> FieldAccessorsFromBuilder
{
get { return InternalFieldAccessors; }
}
protected abstract FieldAccessorTable<TMessage, TBuilder> InternalFieldAccessors { get; }
public override MessageDescriptor DescriptorForType
{
get { return InternalFieldAccessors.Descriptor; }
}
internal IDictionary<FieldDescriptor, Object> GetMutableFieldMap()
{
// Use a SortedDictionary so we'll end up serializing fields in order
var ret = new SortedDictionary<FieldDescriptor, object>();
MessageDescriptor descriptor = DescriptorForType;
foreach (FieldDescriptor field in descriptor.Fields)
{
IFieldAccessor<TMessage, TBuilder> accessor = InternalFieldAccessors[field];
if (field.IsRepeated)
{
if (accessor.GetRepeatedCount(ThisMessage) != 0)
{
ret[field] = accessor.GetValue(ThisMessage);
}
}
else if (HasField(field))
{
ret[field] = accessor.GetValue(ThisMessage);
}
}
return ret;
}
public override bool IsInitialized
{
get
{
foreach (FieldDescriptor field in DescriptorForType.Fields)
{
// Check that all required fields are present.
if (field.IsRequired && !HasField(field))
{
return false;
}
// Check that embedded messages are initialized.
// This code is similar to that in AbstractMessage, but we don't
// fetch all the field values - just the ones we need to.
if (field.MappedType == MappedType.Message)
{
if (field.IsRepeated)
{
// We know it's an IList<T>, but not the exact type - so
// IEnumerable is the best we can do. (C# generics aren't covariant yet.)
foreach (IMessageLite element in (IEnumerable) this[field])
{
if (!element.IsInitialized)
{
return false;
}
}
}
else
{
if (HasField(field) && !((IMessageLite) this[field]).IsInitialized)
{
return false;
}
}
}
}
return true;
}
}
public override IDictionary<FieldDescriptor, object> AllFields
{
get { return Dictionaries.AsReadOnly(GetMutableFieldMap()); }
}
public override bool HasOneof(OneofDescriptor oneof)
{
return InternalFieldAccessors.Oneof(oneof).Has(ThisMessage);
}
public override FieldDescriptor OneofFieldDescriptor(OneofDescriptor oneof)
{
return InternalFieldAccessors.Oneof(oneof).GetOneofFieldDescriptor(ThisMessage);
}
public override bool HasField(FieldDescriptor field)
{
return InternalFieldAccessors[field].Has(ThisMessage);
}
public override int GetRepeatedFieldCount(FieldDescriptor field)
{
return InternalFieldAccessors[field].GetRepeatedCount(ThisMessage);
}
public override object this[FieldDescriptor field, int index]
{
get { return InternalFieldAccessors[field].GetRepeatedValue(ThisMessage, index); }
}
public override object this[FieldDescriptor field]
{
get { return InternalFieldAccessors[field].GetValue(ThisMessage); }
}
public override UnknownFieldSet UnknownFields
{
get { return unknownFields; }
}
/// <summary>
/// Replaces the set of unknown fields for this message. This should
/// only be used before a message is built, by the builder. (In the
/// Java code it is private, but the builder is nested so has access
/// to it.)
/// </summary>
internal void SetUnknownFields(UnknownFieldSet fieldSet)
{
unknownFields = fieldSet;
}
}
}
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