/// <summary>
/// Deserialize CLOB value.
/// </summary>
///
/// <param name="reader">The Ion reader to be used for deserialization.</param>
///
/// <returns>The deserialized CLOB value.</returns>
public override string Deserialize(IIonReader reader)
{
byte[] clob = new byte[reader.GetLobByteSize()];
reader.GetBytes(clob);
return(Encoding.UTF8.GetString(clob));
}
//empty content
public static void Empty(IIonReader reader)
{
//also convieniently testing symtab
Assert.IsNotNull(reader.GetSymbolTable());
Assert.AreEqual(IonType.None, reader.MoveNext());
}
private static bool TryDeserializeScalar(IIonReader reader, Type type, IScalarConverter scalarConverter, ref object result)
{
if (type == typeof(string))
{
if (reader.CurrentType != IonType.String && reader.CurrentType != IonType.Null)
{
return(false);
}
result = reader.CurrentIsNull ? null : reader.StringValue();
return(true);
}
if (reader.CurrentIsNull)
{
if (type.IsValueType)
{
return(false);
}
result = null;
return(true);
}
//check for enum/symbol
if (type.IsEnum)
{
if (reader.CurrentType != IonType.Symbol)
{
goto NoMatch;
}
var symbolText = reader.SymbolValue().Text;
return(Enum.TryParse(type, symbolText, out result));
}
if (type == typeof(bool))
{
if (reader.CurrentType != IonType.Bool)
{
goto NoMatch;
}
result = reader.BoolValue();
return(true);
}
if (type == typeof(int))
{
if (reader.CurrentType != IonType.Int)
{
goto NoMatch;
}
switch (reader.GetIntegerSize())
{
case IntegerSize.Int:
result = reader.IntValue();
return(true);
case IntegerSize.Long:
case IntegerSize.BigInteger:
throw new OverflowException($"Encoded value is too big for int32");
default:
throw new ArgumentOutOfRangeException();
}
}
if (type == typeof(long))
{
if (reader.CurrentType != IonType.Int)
{
goto NoMatch;
}
switch (reader.GetIntegerSize())
{
case IntegerSize.Int:
result = (long)reader.IntValue();
return(true);
case IntegerSize.Long:
result = reader.LongValue();
return(true);
case IntegerSize.BigInteger:
throw new OverflowException($"Encoded value is too big for int32");
default:
throw new ArgumentOutOfRangeException();
}
}
if (type == typeof(BigInteger))
{
if (reader.CurrentType != IonType.Int)
{
goto NoMatch;
}
switch (reader.GetIntegerSize())
{
case IntegerSize.Int:
result = new BigInteger(reader.IntValue());
return(true);
case IntegerSize.Long:
result = new BigInteger(reader.LongValue());
return(true);
case IntegerSize.BigInteger:
result = reader.BigIntegerValue();
return(true);
default:
throw new ArgumentOutOfRangeException();
}
}
if (type == typeof(float))
{
if (reader.CurrentType != IonType.Float)
{
goto NoMatch;
}
result = (float)reader.DoubleValue();
return(true);
}
if (type == typeof(double))
{
if (reader.CurrentType != IonType.Float)
{
goto NoMatch;
}
result = reader.DoubleValue();
return(true);
}
if (type == typeof(decimal))
{
if (reader.CurrentType != IonType.Decimal)
{
goto NoMatch;
}
result = reader.DecimalValue();
return(true);
}
if (type == typeof(DateTime))
{
if (reader.CurrentType != IonType.Timestamp)
{
goto NoMatch;
}
result = reader.TimestampValue().DateTime;
return(true);
}
if (type == typeof(DateTimeOffset))
{
if (reader.CurrentType != IonType.Timestamp)
{
goto NoMatch;
}
result = reader.TimestampValue().AsDateTimeOffset();
return(true);
}
NoMatch:
//here means we don't know , try the scalar converter
return(scalarConverter != null && reader.TryConvertTo(type, scalarConverter, out result));
}
public static void AssertFlatStruct(IIonReader reader, IEnumerable <(string key, object value)> kvps)
private void WriteValueRecursively(IonType type, IIonReader reader)
{
TryWriteFieldName(reader);
TryWriteAnnotations(reader);
if (reader.CurrentIsNull)
{
WriteNull(type);
return;
}
switch (type)
{
case IonType.Bool:
WriteBool(reader.BoolValue());
break;
case IonType.Int:
switch (reader.GetIntegerSize())
{
case IntegerSize.Int:
WriteInt(reader.IntValue());
break;
case IntegerSize.Long:
WriteInt(reader.LongValue());
break;
case IntegerSize.BigInteger:
WriteInt(reader.BigIntegerValue());
break;
default:
throw new ArgumentOutOfRangeException();
}
break;
case IonType.Float:
WriteFloat(reader.DoubleValue());
break;
case IonType.Decimal:
WriteDecimal(reader.DecimalValue());
break;
case IonType.Timestamp:
WriteTimestamp(reader.TimestampValue());
break;
case IonType.Symbol:
WriteSymbolToken(reader.SymbolValue());
break;
case IonType.String:
WriteString(reader.StringValue());
break;
case IonType.Clob:
case IonType.Blob:
WriteClob(reader.NewByteArray());
break;
case IonType.List:
case IonType.Sexp:
case IonType.Struct:
WriteContainerRecursively(type, reader);
break;
}
}
/// <summary>
/// Deserialize byte array.
/// </summary>
///
/// <param name="reader">The Ion reader to be used for deserialization.</param>
///
/// <returns>The deserialized byte array.</returns>
public override byte[] Deserialize(IIonReader reader)
{
byte[] blob = new byte[reader.GetLobByteSize()];
reader.GetBytes(blob);
return(blob);
}
public override string Deserialize(IIonReader reader)
{
return("Springgina");
}
public override BigDecimal Deserialize(IIonReader reader)
{
return(-reader.DecimalValue());
}
public override SymbolToken Deserialize(IIonReader reader)
{
var token = reader.SymbolValue();
return(new SymbolToken(token.Text.ToUpper(), token.Sid));
}
public void WriteValues(IIonReader reader)
{
this.InternalWriteValues(reader);
}
private void InternalWriteValue(IIonReader reader, int depth = 0)
{
IonType type = reader.CurrentType;
if (type == IonType.None)
{
return;
}
if (depth > 0)
{
string fieldName = reader.CurrentFieldName;
if (fieldName != null)
{
this.SetFieldName(fieldName);
}
}
foreach (var annotation in reader.GetTypeAnnotations())
{
this.AddTypeAnnotationSymbol(annotation);
}
if (reader.CurrentIsNull)
{
this.WriteNull(type);
}
else
{
switch (type)
{
case IonType.Bool:
this.WriteBool(reader.BoolValue());
break;
case IonType.Int:
this.WriteInt(reader.BigIntegerValue());
break;
case IonType.Float:
this.WriteFloat(reader.DoubleValue());
break;
case IonType.Decimal:
this.WriteDecimal(reader.DecimalValue());
break;
case IonType.Timestamp:
this.WriteTimestamp(reader.TimestampValue());
break;
case IonType.Symbol:
this.WriteSymbolToken(reader.SymbolValue());
break;
case IonType.String:
this.WriteString(reader.StringValue());
break;
case IonType.Clob:
this.WriteClob(reader.NewByteArray());
break;
case IonType.Blob:
this.WriteBlob(reader.NewByteArray());
break;
case IonType.List:
this.StepIn(IonType.List);
break;
case IonType.Sexp:
this.StepIn(IonType.Sexp);
break;
case IonType.Struct:
this.StepIn(IonType.Struct);
break;
default:
throw new InvalidOperationException("Unexpected type '" + type + "'");
}
if (type.IsContainer())
{
reader.StepIn();
this.InternalWriteValues(reader, depth + 1);
this.StepOut();
reader.StepOut();
}
}
}
/// <summary>
/// Creates ref-struct that represents key-value property.
/// </summary>
/// <param name="reader">Instance of <see cref="IIonReader"/> with current state <see cref="IIonReader.IsProperty"/>=<see langword="true"/>.</param>
/// <param name="propertySeparator">Character that separates key from value. By default it is used = character.</param>
/// <returns>An instance of <see cref="IonProperty"/> that has access to key and value spans in current line.</returns>
/// <exception cref="InvalidOperationException">Reader is in not correct state. That means <see cref="IIonReader.IsProperty"/> is <see langword="false"/>.</exception>
public static IonProperty ReadProperty(this IIonReader reader, char propertySeparator = '=')
{
return(new IonProperty(reader, propertySeparator));
}
/// <inheritdoc/>
object IIonSerializer.Deserialize(IIonReader reader)
{
return(this.Deserialize(reader));
}
/// <summary> /// Deserialize value. /// </summary> /// /// <param name="reader">The Ion reader to be used for deserialization.</param> /// /// <returns>The deserialized value.</returns> public abstract T Deserialize(IIonReader reader);
public override float Deserialize(IIonReader reader)
{
return(-Convert.ToSingle(reader.DoubleValue()));
}
public override DateTime Deserialize(IIonReader reader)
{
return(reader.TimestampValue().DateTimeValue.AddDays(1));
}
public override double Deserialize(IIonReader reader)
{
return(-reader.DoubleValue());
}
public override Guid Deserialize(IIonReader reader)
{
byte[] blob = new byte[reader.GetLobByteSize()];
return(new Guid(blob));
}
/// <summary>
/// Deserialize decimal value.
/// </summary>
///
/// <param name="reader">The Ion reader to be used for deserialization.</param>
///
/// <returns>The deserialized decimal value.</returns>
public override decimal Deserialize(IIonReader reader)
{
return(reader.DecimalValue().ToDecimal());
}
public override string Deserialize(IIonReader reader)
{
return("BMW");
}
/// <summary>
/// Deserialize Symbol Token value.
/// </summary>
///
/// <param name="reader">The Ion reader to be used for deserialization.</param>
///
/// <returns>The deserialized Symbol Token value.</returns>
public override SymbolToken Deserialize(IIonReader reader)
{
return(reader.SymbolValue());
}
public override bool Deserialize(IIonReader reader)
{
return(!reader.BoolValue());
}
/// <inheritdoc /> /// <summary> /// Default implementation of writing reader value. /// Can be overriden to optimize. /// </summary> public void WriteValue(IIonReader reader) => WriteValueRecursively(reader.CurrentType, reader);
public override byte[] Deserialize(IIonReader reader)
{
return(new byte[reader.GetLobByteSize()]);
}
/// <summary>
/// Deserialize string value.
/// </summary>
///
/// <param name="reader">The Ion reader to be used for deserialization.</param>
///
/// <returns>The deserialized string value.</returns>
public override string Deserialize(IIonReader reader)
{
return(reader.StringValue());
}
public override int Deserialize(IIonReader reader)
{
return(-reader.IntValue());
}
/// <summary>
/// Test for single-value bool
/// </summary>
public static void SingleBool(IIonReader reader, bool value)
{
Assert.AreEqual(IonType.Bool, reader.MoveNext());
Assert.AreEqual(value, reader.BoolValue());
}
public override long Deserialize(IIonReader reader)
{
return(-reader.LongValue());
}
private static bool TryDeserializeCollection(IIonReader reader, Type type, IScalarConverter scalarConverter, ref object result)
{
if (!typeof(IEnumerable).IsAssignableFrom(type))
{
return(false);
}
//special case of byte array
if (TryDeserializeByteArray(reader, type, scalarConverter, ref result))
{
return(true);
}
if (reader.CurrentType != IonType.List)
{
return(false);
}
//figure out collection type
Type elementType, constructedListType = null;
if (type.IsArray)
{
elementType = type.GetElementType();
}
else
{
var generics = type.GetGenericArguments();
if (generics.Length == 0)
{
throw new IonException("Must specify collection type");
}
var listType = typeof(List <>);
elementType = generics[0];
constructedListType = listType.MakeGenericType(elementType);
if (!type.IsAssignableFrom(constructedListType))
{
throw new IonException("Must be collection");
}
}
reader.StepIn();
var arrayList = new ArrayList();
while (reader.MoveNext() != IonType.None)
{
var element = Deserialize(reader, elementType, scalarConverter);
arrayList.Add(element);
}
if (type.IsArray)
{
var arr = Array.CreateInstance(elementType, arrayList.Count);
for (var i = 0; i < arrayList.Count; i++)
{
arr.SetValue(arrayList[i], i);
}
result = arr;
}
else
{
var list = (IList)Activator.CreateInstance(constructedListType);
foreach (var item in arrayList)
{
list.Add(item);
}
result = list;
}
reader.StepOut();
return(true);
}
void IIonWriter.WriteValues(IIonReader reader) => throw new NotSupportedException();
