public bool CanPack(Type type, BinaryDataFormat?contentBinaryFormatHint)
{
return(type != _model.MapType(typeof(string)) &&
!CanTypeBeNull(type) &&
!RuntimeTypeModel.CheckTypeIsCollection(_model, type) &&
ListDecorator.CanPack(HelpersInternal.GetWireType(HelpersInternal.GetTypeCode(type), contentBinaryFormatHint.GetValueOrDefault())));
}
public void Write(object value, ProtoWriter dest)
{
if (_allowNullWireType && value == null)
{
ProtoWriter.WriteFieldHeaderComplete(WireType.Null, dest);
return;
}
bool write;
int dynamicTypeKey;
var options = _options;
if ((options & BclHelpers.NetObjectOptions.WriteAsLateReference) != 0 && !ProtoWriter.CheckIsOnHalfToRecursionDepthLimit(dest))
{
options &= ~BclHelpers.NetObjectOptions.WriteAsLateReference;
}
SubItemToken token = NetObjectHelpers.WriteNetObject_Start(value, dest, options, out dynamicTypeKey, out write);
if (write)
{
// field header written!
if ((options & BclHelpers.NetObjectOptions.DynamicType) != 0)
{
if (dynamicTypeKey < 0)
{
ProtoTypeCode typeCode = HelpersInternal.GetTypeCode(value.GetType());
WireType wireType = HelpersInternal.GetWireType(typeCode, _dataFormatForDynamicBuiltins);
if (wireType != WireType.None)
{
ProtoWriter.WriteFieldHeaderComplete(wireType, dest);
if (!ProtoWriter.TryWriteBuiltinTypeValue(value, typeCode, true, dest))
{
throw new ProtoException("Dynamic type is not a contract-type: " + value.GetType().Name);
}
}
else
{
throw new ProtoException("Dynamic type is not a contract-type: " + value.GetType().Name);
}
}
else
{
ProtoWriter.WriteRecursionSafeObject(value, dynamicTypeKey, dest);
}
}
else
{
if ((options & BclHelpers.NetObjectOptions.WriteAsLateReference) != 0)
{
_lateReferenceTail.Write(value, dest);
}
else if (_tail != null)
{
_tail.Write(value, dest);
}
else
{
Debug.Assert(_baseKey >= 0);
if (_baseKeySerializer != null)
{
_baseKeySerializer.Write(value, dest);
}
else
{
ProtoWriter.WriteRecursionSafeObject(value, _baseKey, dest);
}
}
}
}
ProtoWriter.EndSubItem(token, dest);
}
internal void WriteSchema(System.Text.StringBuilder builder, int indent, ref bool requiresBclImport)
{
Serializer.GetHashCode();
if (_surrogate != null)
{
return; // nothing to write
}
ValueMember[] fieldsArr = new ValueMember[_fields.Count];
_fields.CopyTo(fieldsArr, 0);
Array.Sort(fieldsArr, ValueMember.Comparer.Default);
if (IsList)
{
string itemTypeName = _model.GetSchemaTypeName(TypeModel.GetListItemType(_model, Type), BinaryDataFormat.Default, false, false, ref requiresBclImport);
NewLine(builder, indent).Append("message ").Append(GetSchemaTypeName()).Append(" {");
NewLine(builder, indent + 1).Append("repeated ").Append(itemTypeName).Append(" items = 1;");
NewLine(builder, indent).Append('}');
}
else if (_settingsValueFinal.IsAutoTuple)
{ // key-value-pair etc
MemberInfo[] mapping;
if (ResolveTupleConstructor(Type, out mapping) != null)
{
NewLine(builder, indent).Append("message ").Append(GetSchemaTypeName()).Append(" {");
for (int i = 0; i < mapping.Length; i++)
{
Type effectiveType;
if (mapping[i] is PropertyInfo)
{
effectiveType = ((PropertyInfo)mapping[i]).PropertyType;
}
else if (mapping[i] is FieldInfo)
{
effectiveType = ((FieldInfo)mapping[i]).FieldType;
}
else
{
throw new NotSupportedException("Unknown member type: " + mapping[i].GetType().Name);
}
NewLine(builder, indent + 1)
.Append("optional ")
.Append(_model.GetSchemaTypeName(effectiveType, BinaryDataFormat.Default, false, false, ref requiresBclImport).Replace('.', '_'))
.Append(' ').Append(mapping[i].Name).Append(" = ").Append(i + 1).Append(';');
}
NewLine(builder, indent).Append('}');
}
}
else if (Helpers.IsEnum(Type))
{
NewLine(builder, indent).Append("enum ").Append(GetSchemaTypeName()).Append(" {");
if (_settingsValueFinal.EnumPassthru.GetValueOrDefault())
{
if (Type
#if WINRT
.GetTypeInfo()
#endif
.IsDefined(_model.MapType(typeof(FlagsAttribute)), false))
{
NewLine(builder, indent + 1).Append("// this is a composite/flags enumeration");
}
else
{
NewLine(builder, indent + 1).Append("// this enumeration will be passed as a raw value");
}
foreach (FieldInfo field in
#if WINRT
Type.GetRuntimeFields()
#else
Type.GetFields()
#endif
)
{
if (field.IsStatic && field.IsLiteral)
{
object enumVal;
#if WINRT || PORTABLE || CF || FX11
enumVal = field.GetValue(null);
#else
enumVal = field.GetRawConstantValue();
#endif
NewLine(builder, indent + 1).Append(field.Name).Append(" = ").Append(enumVal).Append(";");
}
}
}
else
{
foreach (ValueMember member in fieldsArr)
{
NewLine(builder, indent + 1).Append(member.Name).Append(" = ").Append(member.FieldNumber).Append(';');
}
}
NewLine(builder, indent).Append('}');
}
else
{
NewLine(builder, indent).Append("message ").Append(GetSchemaTypeName()).Append(" {");
foreach (ValueMember member in fieldsArr)
{
member.Serializer.GetHashCode();
MemberLevelSettingsValue s = member.GetFinalSettingsCopy(0);
string ordinality = s.Collection.IsCollection ? "repeated" : member.IsRequired ? "required" : "optional";
NewLine(builder, indent + 1).Append(ordinality).Append(' ');
if (s.ContentBinaryFormatHint.GetValueOrDefault() == BinaryDataFormat.Group)
{
builder.Append("group ");
}
string schemaTypeName = member.GetSchemaTypeName(true, ref requiresBclImport);
builder.Append(schemaTypeName).Append(" ")
.Append(member.Name).Append(" = ").Append(member.FieldNumber);
object defaultValue = member.GetFinalDefaultValue();
if (defaultValue != null && member.IsRequired == false)
{
if (defaultValue is string)
{
builder.Append(" [default = \"").Append(defaultValue).Append("\"]");
}
else if (defaultValue is bool)
{ // need to be lower case (issue 304)
builder.Append((bool)defaultValue ? " [default = true]" : " [default = false]");
}
else
{
builder.Append(" [default = ").Append(defaultValue).Append(']');
}
}
if (s.Collection.IsCollection && s.Collection.Format == CollectionFormat.Protobuf &&
ListDecorator.CanPack(HelpersInternal.GetWireType(Helpers.GetTypeCode(member.MemberType), s.ContentBinaryFormatHint.GetValueOrDefault())))
{
builder.Append(" [packed=true]");
}
builder.Append(';');
if (schemaTypeName == "bcl.NetObjectProxy" && (s.Format == ValueFormat.Reference || s.Format == ValueFormat.LateReference) &&
!s.WriteAsDynamicType.GetValueOrDefault()) // we know what it is; tell the user
{
builder.Append(" // reference-tracked ").Append(member.GetSchemaTypeName(false, ref requiresBclImport));
}
}
if (_subTypes != null && _subTypes.Count != 0)
{
NewLine(builder, indent + 1).Append("// the following represent sub-types; at most 1 should have a value");
SubType[] subTypeArr = new SubType[_subTypes.Count];
_subTypes.CopyTo(subTypeArr, 0);
Array.Sort(subTypeArr, SubType.Comparer.Default);
foreach (SubType subType in subTypeArr)
{
string subTypeName = subType.DerivedType.GetSchemaTypeName();
NewLine(builder, indent + 1).Append("optional ").Append(subTypeName)
.Append(" ").Append(subTypeName).Append(" = ").Append(subType.FieldNumber).Append(';');
}
}
NewLine(builder, indent).Append('}');
}
}