#if !NO_RUNTIME
using System;
using ProtoBuf.Serializers;
using System.Globalization;
using System.Collections.Generic;
#if PROFILE259
using System.Reflection;
using System.Linq;
#else
using System.Reflection;
#endif
namespace ProtoBuf.Meta
{
/// <summary>
/// Represents a member (property/field) that is mapped to a protobuf field
/// </summary>
public class ValueMember
{
private int _fieldNumber;
/// <summary>
/// The number that identifies this member in a protobuf stream
/// </summary>
public int FieldNumber
{
get => _fieldNumber;
internal set
{
if (_fieldNumber != value)
{
MetaType.AssertValidFieldNumber(value);
ThrowIfFrozen();
_fieldNumber = value;
}
}
}
private readonly MemberInfo originalMember;
private MemberInfo backingMember;
/// <summary>
/// Gets the member (field/property) which this member relates to.
/// </summary>
public MemberInfo Member { get { return originalMember; } }
/// <summary>
/// Gets the backing member (field/property) which this member relates to
/// </summary>
public MemberInfo BackingMember
{
get { return backingMember; }
set
{
if (backingMember != value)
{
ThrowIfFrozen();
backingMember = value;
}
}
}
private readonly Type parentType, itemType, defaultType, memberType;
private object defaultValue;
/// <summary>
/// Within a list / array / etc, the type of object for each item in the list (especially useful with ArrayList)
/// </summary>
public Type ItemType => itemType;
/// <summary>
/// The underlying type of the member
/// </summary>
public Type MemberType => memberType;
/// <summary>
/// For abstract types (IList etc), the type of concrete object to create (if required)
/// </summary>
public Type DefaultType => defaultType;
/// <summary>
/// The type the defines the member
/// </summary>
public Type ParentType => parentType;
/// <summary>
/// The default value of the item (members with this value will not be serialized)
/// </summary>
public object DefaultValue
{
get { return defaultValue; }
set
{
if (defaultValue != value)
{
ThrowIfFrozen();
defaultValue = value;
}
}
}
private readonly RuntimeTypeModel model;
/// <summary>
/// Creates a new ValueMember instance
/// </summary>
public ValueMember(RuntimeTypeModel model, Type parentType, int fieldNumber, MemberInfo member, Type memberType, Type itemType, Type defaultType, DataFormat dataFormat, object defaultValue)
: this(model, fieldNumber, memberType, itemType, defaultType, dataFormat)
{
if (parentType == null) throw new ArgumentNullException("parentType");
if (fieldNumber < 1 && !Helpers.IsEnum(parentType)) throw new ArgumentOutOfRangeException("fieldNumber");
this.originalMember = member ?? throw new ArgumentNullException("member");
this.parentType = parentType;
if (fieldNumber < 1 && !Helpers.IsEnum(parentType)) throw new ArgumentOutOfRangeException("fieldNumber");
//#if WINRT
if (defaultValue != null && model.MapType(defaultValue.GetType()) != memberType)
//#else
// if (defaultValue != null && !memberType.IsInstanceOfType(defaultValue))
//#endif
{
defaultValue = ParseDefaultValue(memberType, defaultValue);
}
this.defaultValue = defaultValue;
MetaType type = model.FindWithoutAdd(memberType);
if (type != null)
{
AsReference = type.AsReferenceDefault;
}
else
{ // we need to scan the hard way; can't risk recursion by fully walking it
AsReference = MetaType.GetAsReferenceDefault(model, memberType);
}
}
/// <summary>
/// Creates a new ValueMember instance
/// </summary>
internal ValueMember(RuntimeTypeModel model, int fieldNumber, Type memberType, Type itemType, Type defaultType, DataFormat dataFormat)
{
_fieldNumber = fieldNumber;
this.memberType = memberType ?? throw new ArgumentNullException(nameof(memberType));
this.itemType = itemType;
this.defaultType = defaultType;
this.model = model ?? throw new ArgumentNullException(nameof(model));
this.dataFormat = dataFormat;
}
internal object GetRawEnumValue()
{
#if PORTABLE || CF || COREFX || PROFILE259
object value = ((FieldInfo)originalMember).GetValue(null);
switch(Helpers.GetTypeCode(Enum.GetUnderlyingType(((FieldInfo)originalMember).FieldType)))
{
case ProtoTypeCode.SByte: return (sbyte)value;
case ProtoTypeCode.Byte: return (byte)value;
case ProtoTypeCode.Int16: return (short)value;
case ProtoTypeCode.UInt16: return (ushort)value;
case ProtoTypeCode.Int32: return (int)value;
case ProtoTypeCode.UInt32: return (uint)value;
case ProtoTypeCode.Int64: return (long)value;
case ProtoTypeCode.UInt64: return (ulong)value;
default:
throw new InvalidOperationException();
}
#else
return ((FieldInfo)originalMember).GetRawConstantValue();
#endif
}
private static object ParseDefaultValue(Type type, object value)
{
{
Type tmp = Helpers.GetUnderlyingType(type);
if (tmp != null) type = tmp;
}
if (value is string s)
{
if (Helpers.IsEnum(type)) return Helpers.ParseEnum(type, s);
switch (Helpers.GetTypeCode(type))
{
case ProtoTypeCode.Boolean: return bool.Parse(s);
case ProtoTypeCode.Byte: return byte.Parse(s, NumberStyles.Integer, CultureInfo.InvariantCulture);
case ProtoTypeCode.Char: // char.Parse missing on CF/phone7
if (s.Length == 1) return s[0];
throw new FormatException("Single character expected: \"" + s + "\"");
case ProtoTypeCode.DateTime: return DateTime.Parse(s, CultureInfo.InvariantCulture);
case ProtoTypeCode.Decimal: return decimal.Parse(s, NumberStyles.Any, CultureInfo.InvariantCulture);
case ProtoTypeCode.Double: return double.Parse(s, NumberStyles.Any, CultureInfo.InvariantCulture);
case ProtoTypeCode.Int16: return short.Parse(s, NumberStyles.Any, CultureInfo.InvariantCulture);
case ProtoTypeCode.Int32: return int.Parse(s, NumberStyles.Any, CultureInfo.InvariantCulture);
case ProtoTypeCode.Int64: return long.Parse(s, NumberStyles.Any, CultureInfo.InvariantCulture);
case ProtoTypeCode.SByte: return sbyte.Parse(s, NumberStyles.Integer, CultureInfo.InvariantCulture);
case ProtoTypeCode.Single: return float.Parse(s, NumberStyles.Any, CultureInfo.InvariantCulture);
case ProtoTypeCode.String: return s;
case ProtoTypeCode.UInt16: return ushort.Parse(s, NumberStyles.Any, CultureInfo.InvariantCulture);
case ProtoTypeCode.UInt32: return uint.Parse(s, NumberStyles.Any, CultureInfo.InvariantCulture);
case ProtoTypeCode.UInt64: return ulong.Parse(s, NumberStyles.Any, CultureInfo.InvariantCulture);
case ProtoTypeCode.TimeSpan: return TimeSpan.Parse(s);
case ProtoTypeCode.Uri: return s; // Uri is decorated as string
case ProtoTypeCode.Guid: return new Guid(s);
}
}
if (Helpers.IsEnum(type)) return Enum.ToObject(type, value);
return Convert.ChangeType(value, type, CultureInfo.InvariantCulture);
}
private IProtoSerializer serializer;
internal IProtoSerializer Serializer
{
get
{
return serializer ?? (serializer = BuildSerializer());
}
}
private DataFormat dataFormat;
/// <summary>
/// Specifies the rules used to process the field; this is used to determine the most appropriate
/// wite-type, but also to describe subtypes <i>within</i> that wire-type (such as SignedVariant)
/// </summary>
public DataFormat DataFormat
{
get { return dataFormat; }
set
{
if (value != dataFormat)
{
ThrowIfFrozen();
this.dataFormat = value;
}
}
}
/// <summary>
/// Indicates whether this field should follow strict encoding rules; this means (for example) that if a "fixed32"
/// is encountered when "variant" is defined, then it will fail (throw an exception) when parsing. Note that
/// when serializing the defined type is always used.
/// </summary>
public bool IsStrict
{
get { return HasFlag(OPTIONS_IsStrict); }
set { SetFlag(OPTIONS_IsStrict, value, true); }
}
/// <summary>
/// Indicates whether this field should use packed encoding (which can save lots of space for repeated primitive values).
/// This option only applies to list/array data of primitive types (int, double, etc).
/// </summary>
public bool IsPacked
{
get { return HasFlag(OPTIONS_IsPacked); }
set { SetFlag(OPTIONS_IsPacked, value, true); }
}
/// <summary>
/// Indicates whether this field should *repace* existing values (the default is false, meaning *append*).
/// This option only applies to list/array data.
/// </summary>
public bool OverwriteList
{
get { return HasFlag(OPTIONS_OverwriteList); }
set { SetFlag(OPTIONS_OverwriteList, value, true); }
}
/// <summary>
/// Indicates whether this field is mandatory.
/// </summary>
public bool IsRequired
{
get { return HasFlag(OPTIONS_IsRequired); }
set { SetFlag(OPTIONS_IsRequired, value, true); }
}
/// <summary>
/// Enables full object-tracking/full-graph support.
/// </summary>
public bool AsReference
{
get { return HasFlag(OPTIONS_AsReference); }
set { SetFlag(OPTIONS_AsReference, value, true); }
}
/// <summary>
/// Embeds the type information into the stream, allowing usage with types not known in advance.
/// </summary>
public bool DynamicType
{
get { return HasFlag(OPTIONS_DynamicType); }
set { SetFlag(OPTIONS_DynamicType, value, true); }
}
/// <summary>
/// Indicates that the member should be treated as a protobuf Map
/// </summary>
public bool IsMap
{
get { return HasFlag(OPTIONS_IsMap); }
set { SetFlag(OPTIONS_IsMap, value, true); }
}
private DataFormat mapKeyFormat, mapValueFormat;
/// <summary>
/// Specifies the data-format that should be used for the key, when IsMap is enabled
/// </summary>
public DataFormat MapKeyFormat
{
get { return mapKeyFormat; }
set
{
if (mapKeyFormat != value)
{
ThrowIfFrozen();
mapKeyFormat = value;
}
}
}
/// <summary>
/// Specifies the data-format that should be used for the value, when IsMap is enabled
/// </summary>
public DataFormat MapValueFormat
{
get { return mapValueFormat; }
set
{
if (mapValueFormat != value)
{
ThrowIfFrozen();
mapValueFormat = value;
}
}
}
private MethodInfo getSpecified, setSpecified;
/// <summary>
/// Specifies methods for working with optional data members.
/// </summary>
/// <param name="getSpecified">Provides a method (null for none) to query whether this member should
/// be serialized; it must be of the form "bool {Method}()". The member is only serialized if the
/// method returns true.</param>
/// <param name="setSpecified">Provides a method (null for none) to indicate that a member was
/// deserialized; it must be of the form "void {Method}(bool)", and will be called with "true"
/// when data is found.</param>
public void SetSpecified(MethodInfo getSpecified, MethodInfo setSpecified)
{
if (this.getSpecified != getSpecified || this.setSpecified != setSpecified)
{
if (getSpecified != null)
{
if (getSpecified.ReturnType != model.MapType(typeof(bool))
|| getSpecified.IsStatic
|| getSpecified.GetParameters().Length != 0)
{
throw new ArgumentException("Invalid pattern for checking member-specified", "getSpecified");
}
}
if (setSpecified != null)
{
ParameterInfo[] args;
if (setSpecified.ReturnType != model.MapType(typeof(void))
|| setSpecified.IsStatic
|| (args = setSpecified.GetParameters()).Length != 1
|| args[0].ParameterType != model.MapType(typeof(bool)))
{
throw new ArgumentException("Invalid pattern for setting member-specified", "setSpecified");
}
}
ThrowIfFrozen();
this.getSpecified = getSpecified;
this.setSpecified = setSpecified;
}
}
private void ThrowIfFrozen()
{
if (serializer != null) throw new InvalidOperationException("The type cannot be changed once a serializer has been generated");
}
internal bool ResolveMapTypes(out Type dictionaryType, out Type keyType, out Type valueType)
{
dictionaryType = keyType = valueType = null;
try
{
#if COREFX || PROFILE259
var info = memberType.GetTypeInfo();
#else
var info = memberType;
#endif
if (ImmutableCollectionDecorator.IdentifyImmutable(model, MemberType, out _, out _, out _, out _, out _, out _))
{
return false;
}
if (info.IsInterface && info.IsGenericType && info.GetGenericTypeDefinition() == typeof(IDictionary<,>))
{
#if PROFILE259
var typeArgs = memberType.GetGenericTypeDefinition().GenericTypeArguments;
#else
var typeArgs = memberType.GetGenericArguments();
#endif
if (IsValidMapKeyType(typeArgs[0]))
{
keyType = typeArgs[0];
valueType = typeArgs[1];
dictionaryType = memberType;
}
return false;
}
#if PROFILE259
foreach (var iType in memberType.GetTypeInfo().ImplementedInterfaces)
#else
foreach (var iType in memberType.GetInterfaces())
#endif
{
#if COREFX || PROFILE259
info = iType.GetTypeInfo();
#else
info = iType;
#endif
if (info.IsGenericType && info.GetGenericTypeDefinition() == typeof(IDictionary<,>))
{
if (dictionaryType != null) throw new InvalidOperationException("Multiple dictionary interfaces implemented by type: " + memberType.FullName);
#if PROFILE259
var typeArgs = iType.GetGenericTypeDefinition().GenericTypeArguments;
#else
var typeArgs = iType.GetGenericArguments();
#endif
if (IsValidMapKeyType(typeArgs[0]))
{
keyType = typeArgs[0];
valueType = typeArgs[1];
dictionaryType = memberType;
}
}
}
if (dictionaryType == null) return false;
// (note we checked the key type already)
// not a map if value is repeated
Type itemType = null, defaultType = null;
model.ResolveListTypes(valueType, ref itemType, ref defaultType);
if (itemType != null) return false;
return dictionaryType != null;
}
catch
{
// if it isn't a good fit; don't use "map"
return false;
}
}
static bool IsValidMapKeyType(Type type)
{
if (type == null || Helpers.IsEnum(type)) return false;
switch (Helpers.GetTypeCode(type))
{
case ProtoTypeCode.Boolean:
case ProtoTypeCode.Byte:
case ProtoTypeCode.Char:
case ProtoTypeCode.Int16:
case ProtoTypeCode.Int32:
case ProtoTypeCode.Int64:
case ProtoTypeCode.String:
case ProtoTypeCode.SByte:
case ProtoTypeCode.UInt16:
case ProtoTypeCode.UInt32:
case ProtoTypeCode.UInt64:
return true;
}
return false;
}
private IProtoSerializer BuildSerializer()
{
int opaqueToken = 0;
try
{
model.TakeLock(ref opaqueToken);// check nobody is still adding this type
var member = backingMember ?? originalMember;
IProtoSerializer ser;
if (IsMap)
{
ResolveMapTypes(out var dictionaryType, out var keyType, out var valueType);
if (dictionaryType == null)
{
throw new InvalidOperationException("Unable to resolve map type for type: " + memberType.FullName);
}
var concreteType = defaultType;
if (concreteType == null && Helpers.IsClass(memberType))
{
concreteType = memberType;
}
var keySer = TryGetCoreSerializer(model, MapKeyFormat, keyType, out var keyWireType, false, false, false, false);
if (!AsReference)
{
AsReference = MetaType.GetAsReferenceDefault(model, valueType);
}
var valueSer = TryGetCoreSerializer(model, MapValueFormat, valueType, out var valueWireType, AsReference, DynamicType, false, true);
#if PROFILE259
IEnumerable<ConstructorInfo> ctors = typeof(MapDecorator<,,>).MakeGenericType(new Type[] { dictionaryType, keyType, valueType }).GetTypeInfo().DeclaredConstructors;
if (ctors.Count() != 1)
{
throw new InvalidOperationException("Unable to resolve MapDecorator constructor");
}
ser = (IProtoSerializer)ctors.First().Invoke(new object[] {model, concreteType, keySer, valueSer, _fieldNumber,
DataFormat == DataFormat.Group ? WireType.StartGroup : WireType.String, keyWireType, valueWireType, OverwriteList });
#else
var ctors = typeof(MapDecorator<,,>).MakeGenericType(new Type[] { dictionaryType, keyType, valueType }).GetConstructors(
BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
if (ctors.Length != 1) throw new InvalidOperationException("Unable to resolve MapDecorator constructor");
ser = (IProtoSerializer)ctors[0].Invoke(new object[] {model, concreteType, keySer, valueSer, _fieldNumber,
DataFormat == DataFormat.Group ? WireType.StartGroup : WireType.String, keyWireType, valueWireType, OverwriteList });
#endif
}
else
{
Type finalType = itemType ?? memberType;
ser = TryGetCoreSerializer(model, dataFormat, finalType, out WireType wireType, AsReference, DynamicType, OverwriteList, true);
if (ser == null)
{
throw new InvalidOperationException("No serializer defined for type: " + finalType.FullName);
}
// apply tags
if (itemType != null && SupportNull)
{
if (IsPacked)
{
throw new NotSupportedException("Packed encodings cannot support null values");
}
ser = new TagDecorator(NullDecorator.Tag, wireType, IsStrict, ser);
ser = new NullDecorator(model, ser);
ser = new TagDecorator(_fieldNumber, WireType.StartGroup, false, ser);
}
else
{
ser = new TagDecorator(_fieldNumber, wireType, IsStrict, ser);
}
// apply lists if appropriate
if (itemType != null)
{
Type underlyingItemType = SupportNull ? itemType : Helpers.GetUnderlyingType(itemType) ?? itemType;
Helpers.DebugAssert(underlyingItemType == ser.ExpectedType
|| (ser.ExpectedType == model.MapType(typeof(object)) && !Helpers.IsValueType(underlyingItemType))
, "Wrong type in the tail; expected {0}, received {1}", ser.ExpectedType, underlyingItemType);
if (memberType.IsArray)
{
ser = new ArrayDecorator(model, ser, _fieldNumber, IsPacked, wireType, memberType, OverwriteList, SupportNull);
}
else
{
ser = ListDecorator.Create(model, memberType, defaultType, ser, _fieldNumber, IsPacked, wireType, member != null && PropertyDecorator.CanWrite(model, member), OverwriteList, SupportNull);
}
}
else if (defaultValue != null && !IsRequired && getSpecified == null)
{ // note: "ShouldSerialize*" / "*Specified" / etc ^^^^ take precedence over defaultValue,
// as does "IsRequired"
ser = new DefaultValueDecorator(model, defaultValue, ser);
}
if (memberType == model.MapType(typeof(Uri)))
{
ser = new UriDecorator(model, ser);
}
#if PORTABLE
else if(memberType.FullName == typeof(Uri).FullName)
{
// In PCLs, the Uri type may not match (WinRT uses Internal/Uri, .Net uses System/Uri)
ser = new ReflectedUriDecorator(memberType, model, ser);
}
#endif
}
if (member != null)
{
if (member is PropertyInfo prop)
{
ser = new PropertyDecorator(model, parentType, prop, ser);
}
else if (member is FieldInfo fld)
{
ser = new FieldDecorator(parentType, fld, ser);
}
else
{
throw new InvalidOperationException();
}
if (getSpecified != null || setSpecified != null)
{
ser = new MemberSpecifiedDecorator(getSpecified, setSpecified, ser);
}
}
return ser;
}
finally
{
model.ReleaseLock(opaqueToken);
}
}
private static WireType GetIntWireType(DataFormat format, int width)
{
switch (format)
{
case DataFormat.ZigZag: return WireType.SignedVariant;
case DataFormat.FixedSize: return width == 32 ? WireType.Fixed32 : WireType.Fixed64;
case DataFormat.TwosComplement:
case DataFormat.Default: return WireType.Variant;
default: throw new InvalidOperationException();
}
}
private static WireType GetDateTimeWireType(DataFormat format)
{
switch (format)
{
case DataFormat.Group: return WireType.StartGroup;
case DataFormat.FixedSize: return WireType.Fixed64;
case DataFormat.WellKnown:
case DataFormat.Default:
return WireType.String;
default: throw new InvalidOperationException();
}
}
internal static IProtoSerializer TryGetCoreSerializer(RuntimeTypeModel model, DataFormat dataFormat, Type type, out WireType defaultWireType,
bool asReference, bool dynamicType, bool overwriteList, bool allowComplexTypes)
{
{
Type tmp = Helpers.GetUnderlyingType(type);
if (tmp != null) type = tmp;
}
if (Helpers.IsEnum(type))
{
if (allowComplexTypes && model != null)
{
// need to do this before checking the typecode; an int enum will report Int32 etc
defaultWireType = WireType.Variant;
return new EnumSerializer(type, model.GetEnumMap(type));
}
else
{ // enum is fine for adding as a meta-type
defaultWireType = WireType.None;
return null;
}
}
ProtoTypeCode code = Helpers.GetTypeCode(type);
switch (code)
{
case ProtoTypeCode.Int32:
defaultWireType = GetIntWireType(dataFormat, 32);
return new Int32Serializer(model);
case ProtoTypeCode.UInt32:
defaultWireType = GetIntWireType(dataFormat, 32);
return new UInt32Serializer(model);
case ProtoTypeCode.Int64:
defaultWireType = GetIntWireType(dataFormat, 64);
return new Int64Serializer(model);
case ProtoTypeCode.UInt64:
defaultWireType = GetIntWireType(dataFormat, 64);
return new UInt64Serializer(model);
case ProtoTypeCode.String:
defaultWireType = WireType.String;
if (asReference)
{
return new NetObjectSerializer(model, model.MapType(typeof(string)), 0, BclHelpers.NetObjectOptions.AsReference);
}
return new StringSerializer(model);
case ProtoTypeCode.Single:
defaultWireType = WireType.Fixed32;
return new SingleSerializer(model);
case ProtoTypeCode.Double:
defaultWireType = WireType.Fixed64;
return new DoubleSerializer(model);
case ProtoTypeCode.Boolean:
defaultWireType = WireType.Variant;
return new BooleanSerializer(model);
case ProtoTypeCode.DateTime:
defaultWireType = GetDateTimeWireType(dataFormat);
return new DateTimeSerializer(dataFormat, model);
case ProtoTypeCode.Decimal:
defaultWireType = WireType.String;
return new DecimalSerializer(model);
case ProtoTypeCode.Byte:
defaultWireType = GetIntWireType(dataFormat, 32);
return new ByteSerializer(model);
case ProtoTypeCode.SByte:
defaultWireType = GetIntWireType(dataFormat, 32);
return new SByteSerializer(model);
case ProtoTypeCode.Char:
defaultWireType = WireType.Variant;
return new CharSerializer(model);
case ProtoTypeCode.Int16:
defaultWireType = GetIntWireType(dataFormat, 32);
return new Int16Serializer(model);
case ProtoTypeCode.UInt16:
defaultWireType = GetIntWireType(dataFormat, 32);
return new UInt16Serializer(model);
case ProtoTypeCode.TimeSpan:
defaultWireType = GetDateTimeWireType(dataFormat);
return new TimeSpanSerializer(dataFormat, model);
case ProtoTypeCode.Guid:
defaultWireType = dataFormat == DataFormat.Group ? WireType.StartGroup : WireType.String;
return new GuidSerializer(model);
case ProtoTypeCode.Uri:
defaultWireType = WireType.String;
return new StringSerializer(model);
case ProtoTypeCode.ByteArray:
defaultWireType = WireType.String;
return new BlobSerializer(model, overwriteList);
case ProtoTypeCode.Type:
defaultWireType = WireType.String;
return new SystemTypeSerializer(model);
}
IProtoSerializer parseable = model.AllowParseableTypes ? ParseableSerializer.TryCreate(type, model) : null;
if (parseable != null)
{
defaultWireType = WireType.String;
return parseable;
}
if (allowComplexTypes && model != null)
{
int key = model.GetKey(type, false, true);
MetaType meta = null;
if (key >= 0)
{
meta = model[type];
if (dataFormat == DataFormat.Default && meta.IsGroup)
{
dataFormat = DataFormat.Group;
}
}
if (asReference || dynamicType)
{
BclHelpers.NetObjectOptions options = BclHelpers.NetObjectOptions.None;
if (asReference) options |= BclHelpers.NetObjectOptions.AsReference;
if (dynamicType) options |= BclHelpers.NetObjectOptions.DynamicType;
if (meta != null)
{ // exists
if (asReference && Helpers.IsValueType(type))
{
string message = "AsReference cannot be used with value-types";
if (type.Name == "KeyValuePair`2")
{
message += "; please see https://stackoverflow.com/q/14436606/23354";
}
else
{
message += ": " + type.FullName;
}
throw new InvalidOperationException(message);
}
if (asReference && meta.IsAutoTuple) options |= BclHelpers.NetObjectOptions.LateSet;
if (meta.UseConstructor) options |= BclHelpers.NetObjectOptions.UseConstructor;
}
defaultWireType = dataFormat == DataFormat.Group ? WireType.StartGroup : WireType.String;
return new NetObjectSerializer(model, type, key, options);
}
if (key >= 0)
{
defaultWireType = dataFormat == DataFormat.Group ? WireType.StartGroup : WireType.String;
return new SubItemSerializer(type, key, meta, true);
}
}
defaultWireType = WireType.None;
return null;
}
private string name;
internal void SetName(string name)
{
if (name != this.name)
{
ThrowIfFrozen();
this.name = name;
}
}
/// <summary>
/// Gets the logical name for this member in the schema (this is not critical for binary serialization, but may be used
/// when inferring a schema).
/// </summary>
public string Name
{
get { return string.IsNullOrEmpty(name) ? originalMember.Name : name; }
set { SetName(value); }
}
private const byte
OPTIONS_IsStrict = 1,
OPTIONS_IsPacked = 2,
OPTIONS_IsRequired = 4,
OPTIONS_OverwriteList = 8,
OPTIONS_SupportNull = 16,
OPTIONS_AsReference = 32,
OPTIONS_IsMap = 64,
OPTIONS_DynamicType = 128;
private byte flags;
private bool HasFlag(byte flag) { return (flags & flag) == flag; }
private void SetFlag(byte flag, bool value, bool throwIfFrozen)
{
if (throwIfFrozen && HasFlag(flag) != value)
{
ThrowIfFrozen();
}
if (value)
flags |= flag;
else
flags = (byte)(flags & ~flag);
}
/// <summary>
/// Should lists have extended support for null values? Note this makes the serialization less efficient.
/// </summary>
public bool SupportNull
{
get { return HasFlag(OPTIONS_SupportNull); }
set { SetFlag(OPTIONS_SupportNull, value, true); }
}
internal string GetSchemaTypeName(bool applyNetObjectProxy, ref RuntimeTypeModel.CommonImports imports)
{
Type effectiveType = ItemType;
if (effectiveType == null) effectiveType = MemberType;
return model.GetSchemaTypeName(effectiveType, DataFormat, applyNetObjectProxy && AsReference, applyNetObjectProxy && DynamicType, ref imports);
}
internal sealed class Comparer : System.Collections.IComparer, IComparer<ValueMember>
{
public static readonly Comparer Default = new Comparer();
public int Compare(object x, object y)
{
return Compare(x as ValueMember, y as ValueMember);
}
public int Compare(ValueMember x, ValueMember y)
{
if (ReferenceEquals(x, y)) return 0;
if (x == null) return -1;
if (y == null) return 1;
return x.FieldNumber.CompareTo(y.FieldNumber);
}
}
}
}
#endif