public static string Stringify(object value, StringifyOptions options = StringifyOptions.None)
{
if (value != null)
{
var buffer = new StringBuilder();
GetSerializer(value.GetType())(buffer, value, options);
return(buffer.ToString());
}
return("null");
}
/// <summary>
/// Constructs a domain object from a given deserializer state.
/// </summary>
/// <typeparam name="T">Type of domain object to construct. Must be one of the following:
/// <list type="bullet">
/// <item><description>Type implementing <see cref="ICapnpSerializable"/>. The type must must have a public parameterless constructor.</description></item>
/// <item><description>A capability interface (<seealso cref="Rpc.InvalidCapabilityInterfaceException"/> for further explanation)</description></item>
/// <item><description><see cref="string"/></description></item>
/// <item><description>IReadOnlyList<bool>, IReadOnlyList<sbyte>, IReadOnlyList<byte></description></item>
/// <item><description>IReadOnlyList<short>, IReadOnlyList<ushort>, IReadOnlyList<int></description></item>
/// <item><description>IReadOnlyList<uint>, IReadOnlyList<long>, IReadOnlyList<ulong></description></item>
/// <item><description>IReadOnlyList<float>, IReadOnlyList<double></description></item>
/// <item><description>IReadOnlyList<T> whereby T is one of the things listed here.</description></item>
/// </list>
/// </typeparam>
/// <param name="state">deserializer state to construct from</param>
/// <returns>The domain object instance. Nullability note: The returned reference may be null if
/// <paramref name="state"/> represents the nil object.</returns>
/// <exception cref="ArgumentException">Cannot construct object of type <typeparamref name="T"/></exception>
/// <remarks>Note that capability ownership is moved to the domain object</remarks>
public static T?Create <T>(DeserializerState state)
where T : class
{
try
{
return((T?)GetSerializer(typeof(T))(state));
}
catch (TargetInvocationException ex)
{
throw new ArgumentException("Failed to construct domain object", ex);
}
}
static Serializer CreateArraySerializer(TypeInfo typeInfo)
{
Type itemType;
if (typeInfo.HasElementType)
{
itemType = typeInfo.GetElementType();
}
else if (typeInfo.IsGenericType && typeInfo.GenericTypeArguments.Length > 0)
{
itemType = typeInfo.GenericTypeArguments[0];
}
else
{
itemType = null;
}
if (itemType != null && itemType != typeof(object) && !itemType.GetTypeInfo().IsAbstract)
{
var itemSerializer = GetSerializer(itemType);
return(new ArrayWriteHelper((output, value, options) =>
{
if (itemSerializer == null) // in case of recursion
{
itemSerializer = GetSerializer(itemType);
}
foreach (var item in (IEnumerable)value)
{
itemSerializer(output, item, options);
output.Append(',');
}
}).Serializer);
}
return(new ArrayWriteHelper((output, value, options) =>
{
foreach (var item in (IEnumerable)value)
{
if (item == null)
{
output.Append("null");
}
else
{
GetSerializer(item.GetType())(output, item, options);
}
output.Append(',');
}
}).Serializer);
}
public SerializationHelper(GetSerializer getSerializer)
{
_bonsaiSerializer = getSerializer(SerializeConstantFactory, DeserializeConstantFactory);
_dataSerializer = (JsonDataSerializer)DataSerializer.Create(_bonsaiSerializer);
_genericSerialize = _dataSerializer.GetType().GetMethod(nameof(DataSerializer.Serialize));
_genericDeserialize = _dataSerializer.GetType().GetMethod(nameof(DataSerializer.Deserialize));
}
static void WriteDynamicObject(StringBuilder output, object value, StringifyOptions options)
{
if (value == null)
{
output.Append("null");
}
else
{
var realType = value.GetType();
if (realType != typeof(object))
{
GetSerializer(realType)(output, value, options);
}
else
{
output.Append("{}");
}
}
}
static Serializer CreateMapSerializer(TypeInfo typeInfo)
{
if (typeInfo.IsGenericType && typeInfo.GenericTypeArguments.Length >= 2)
{
var valueType = typeInfo.GenericTypeArguments[1];
if (valueType != typeof(object) && !valueType.GetTypeInfo().IsAbstract)
{
var valueSerializer = GetSerializer(valueType);
return(new MapWriteHelper((output, value, options) =>
{
if (valueSerializer == null) // in case of recursion
{
valueSerializer = GetSerializer(valueType);
}
foreach (DictionaryEntry item in (IDictionary)value)
{
DoWriteString(output, item.Key.ToString());
output.Append(':');
valueSerializer(output, item.Value, options);
output.Append(',');
}
}).Serializer);
}
}
return(new MapWriteHelper((output, value, options) =>
{
foreach (DictionaryEntry item in (IDictionary)value)
{
DoWriteString(output, item.Key.ToString());
output.Append(':');
if (item.Value == null)
{
output.Append("null");
}
else
{
GetSerializer(item.Value.GetType())(output, item.Value, options);
}
output.Append(',');
}
}).Serializer);
}
/// <summary>
/// Constructs a domain object from a given deserializer state.
/// </summary>
/// <typeparam name="T">Type of domain object to construct. Must be one of the following:
/// <list type="bullet">
/// <item><description>Type implementing <see cref="ICapnpSerializable"/>. The type must must have a public parameterless constructor.</description></item>
/// <item><description>A capability interface (<seealso cref="Rpc.InvalidCapabilityInterfaceException"/> for further explanation)</description></item>
/// <item><description><see cref="String"/></description></item>
/// <item><description><code>IReadOnlyList{Boolean}</code></description></item>
/// <item><description><code>IReadOnlyList{SByte}"</code></description></item>
/// <item><description><code>IReadOnlyList{Byte}"</code></description></item>
/// <item><description><code>IReadOnlyList{Int16}"</code></description></item>
/// <item><description><code>IReadOnlyList{UInt16}"</code></description></item>
/// <item><description><code>IReadOnlyList{Int32}"</code></description></item>
/// <item><description><code>IReadOnlyList{UInt32}"</code></description></item>
/// <item><description><code>IReadOnlyList{Int64}"</code></description></item>
/// <item><description><code>IReadOnlyList{UInt64}"</code></description></item>
/// <item><description><code>IReadOnlyList{Single}"</code></description></item>
/// <item><description><code>IReadOnlyList{Double}"</code></description></item>
/// <item><description><code>IReadOnlyList{T}</code> whereby T is one of the things listed here.</description></item>
/// </list>
/// </typeparam>
/// <param name="state">deserializer state to construct from</param>
/// <returns>The domain object instance. Nullability note: The returned reference will be null if (and only if) <typeparamref name="T"/> is a capability interface and
/// <paramref name="state"/> represents the nil object (obtained from a null pointer). For all other types, when the state is nil,
/// the method still constructs a valid but "empty" object instance (such as domain object without any properties set, empty string, empty list etc.)</returns>
public static T?Create <T>(DeserializerState state)
where T : class
{
return((T?)GetSerializer(typeof(T))(state));
}
public string Serialize(object obj)
{
return(GetSerializer.Serialize(obj));
}
private void AddElement(PropertyInfo property, List <Expression> expressions, ParameterExpression retVal, ParameterExpression objectVariable)
{
var name = GetNameFromXmlElementAttribute(property);
var type = Nullable.GetUnderlyingType(property.PropertyType) ?? property.PropertyType;
Expression resultExpression;
var isNullable = type != property.PropertyType;
var valueOfNullableProperty =
isNullable ? property.PropertyType.GetProperty(nameof(Nullable <int> .Value)) : null;
var hasValueProperty =
isNullable ? property.PropertyType.GetProperty(nameof(Nullable <int> .HasValue)) : null;
Expression GetProperty(bool convertToObject)
{
if (isNullable)
{
// ReSharper disable once AssignNullToNotNullAttribute
Expression propValue = Expression.Property(GetPropValue(objectVariable, property, false),
valueOfNullableProperty);
if (convertToObject)
{
propValue = Expression.Convert(propValue, typeof(object));
}
return(propValue);
}
return(GetPropValue(objectVariable, property, convertToObject));
}
var converterMethod = GetConverterMethod(property);
if (converterMethod != null)
{
var call = converterMethod.IsStatic
? Expression.Call(converterMethod, GetProperty(false))
: Expression.Call(objectVariable, converterMethod, GetProperty(false));
resultExpression = Expression.Call(retVal, _setElementValue, AsXName(name), call);
}
else
{
if (type.IsPrimitive ||
type == typeof(string))
{
resultExpression = Expression.Call(retVal, _setElementValue, AsXName(name), GetProperty(true));
}
else if (type.IsEnum)
{
resultExpression = Expression.Call(retVal, _setElementValue, AsXName(name),
Expression.Convert(GetProperty(false), Enum.GetUnderlyingType(type)));
}
else if (type == typeof(TimeSpan))
{
var formatter = type.GetMethod(nameof(ToString), BindingFlags.Public | BindingFlags.Instance,
null,
new[] { typeof(string) }, null);
// <retval>.SetAttributeValue(<name>, <property>.ToString("g"))
resultExpression = Expression.Call(retVal, _setElementValue, AsXName(name),
Expression.Call(GetProperty(false), formatter, Expression.Constant("g")));
}
else if (type == typeof(DateTime) || type == typeof(DateTimeOffset))
{
var formatter = type.GetMethod(nameof(ToString), BindingFlags.Public | BindingFlags.Instance,
null,
new[] { typeof(string) }, null);
// <retval>.SetAttributeValue(<name>, <property>.ToString("O"))
resultExpression = Expression.Call(retVal, _setElementValue, AsXName(name),
Expression.Call(GetProperty(false), formatter, Expression.Constant("O")));
}
else
{
Expression <Func <object, string, XElement> > bind = (o, s) => GetSerializer(o.GetType(), s)(o, s);
var createChildTree = Expression.Invoke(bind, GetProperty(true), Expression.Constant(name));
resultExpression = Expression.Call(retVal, _add, createChildTree);
}
if (isNullable)
{
// ReSharper disable once AssignNullToNotNullAttribute
resultExpression = Expression.IfThen(
Expression.Property(GetPropValue(objectVariable, property, false), hasValueProperty),
resultExpression);
}
else if (!type.IsValueType)
{
resultExpression = Expression.IfThen(
Expression.NotEqual(GetPropValue(objectVariable, property, false), Expression.Constant(null, type)),
resultExpression);
}
}
expressions.Add(resultExpression);
}
