#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.Collections;
using Google.ProtocolBuffers.Descriptors;
using Google.ProtocolBuffers.FieldAccess;
using System.Collections;
namespace Google.ProtocolBuffers {
///
/// 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.
///
public abstract class GeneratedMessage : AbstractMessage
where TMessage : GeneratedMessage
where TBuilder : GeneratedBuilder {
private UnknownFieldSet unknownFields = UnknownFieldSet.DefaultInstance;
///
/// Returns the message as a TMessage.
///
protected abstract TMessage ThisMessage { get; }
internal FieldAccessorTable FieldAccessorsFromBuilder {
get { return InternalFieldAccessors; }
}
protected abstract FieldAccessorTable InternalFieldAccessors { get; }
public override MessageDescriptor DescriptorForType {
get { return InternalFieldAccessors.Descriptor; }
}
internal IDictionary GetMutableFieldMap() {
// Use a SortedList so we'll end up serializing fields in order
var ret = new SortedList();
MessageDescriptor descriptor = DescriptorForType;
foreach (FieldDescriptor field in descriptor.Fields) {
IFieldAccessor 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, 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 AllFields {
get { return Dictionaries.AsReadOnly(GetMutableFieldMap()); }
}
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; }
}
///
/// 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.)
///
internal void SetUnknownFields(UnknownFieldSet fieldSet) {
unknownFields = fieldSet;
}
}
}