// Convert IEnumerable to array
public bool TryConvert(ConverterContext context, out object?target)
{
target = null;
// Ensure requested type is an array
if (context.Parameter.Type.IsArray)
{
Type?elementType = context.Parameter.Type.GetElementType();
if (elementType is not null)
{
// Ensure that we can assign from source to parameter type
if (elementType.Equals(typeof(string)) ||
elementType.Equals(typeof(byte[])) ||
elementType.Equals(typeof(ReadOnlyMemory <byte>)) ||
elementType.Equals(typeof(long)) ||
elementType.Equals(typeof(double)))
{
target = context.Source switch
{
IEnumerable <string> source => source.ToArray(),
IEnumerable <ReadOnlyMemory <byte> > source => GetBinaryData(source, elementType !),
IEnumerable <double> source => source.ToArray(),
IEnumerable <long> source => source.ToArray(),
_ => null
};
}
}
}
return(target is not null);
}
public bool TryConvert(ConverterContext context, out object?target)
{
target = default;
if (context.Parameter.Type == typeof(string))
{
return(false);
}
byte[]? bytes = null;
if (context.Source is string sourceString)
{
bytes = Encoding.UTF8.GetBytes(sourceString);
}
else if (context.Source is ReadOnlyMemory <byte> sourceMemory)
{
bytes = sourceMemory.ToArray();
}
if (bytes == null)
{
return(false);
}
return(TryDeserialize(bytes, context.Parameter.Type, out target));
}
public async ValueTask <ConversionResult> ConvertAsync(ConverterContext context)
{
if (context.TargetType == typeof(string))
{
return(ConversionResult.Unhandled());
}
byte[]? bytes = null;
if (context.Source is string sourceString)
{
bytes = Encoding.UTF8.GetBytes(sourceString);
}
else if (context.Source is ReadOnlyMemory <byte> sourceMemory)
{
bytes = sourceMemory.ToArray();
}
if (bytes == null)
{
return(ConversionResult.Unhandled());
}
return(await GetConversionResultFromDeserialization(bytes, context.TargetType));
}
public ValueTask <ConversionResult> ConvertAsync(ConverterContext context)
{
// Special handling for the context.
if (context.TargetType == typeof(FunctionContext))
{
return(new ValueTask <ConversionResult>(ConversionResult.Success(context.FunctionContext)));
}
return(new ValueTask <ConversionResult>(ConversionResult.Unhandled()));
}
public ValueTask <ConversionResult> ConvertAsync(ConverterContext context)
{
if (context.TargetType == typeof(Guid) || context.TargetType == typeof(Guid?))
{
if (context.Source is string sourceString && Guid.TryParse(sourceString, out Guid parsedGuid))
{
return(new ValueTask <ConversionResult>(ConversionResult.Success(parsedGuid)));
}
}
return(new ValueTask <ConversionResult>(ConversionResult.Unhandled()));
}
public ValueTask <ConversionResult> ConvertAsync(ConverterContext context)
{
Type?sourceType = context.Source?.GetType();
if (sourceType is not null &&
context.TargetType.IsAssignableFrom(sourceType))
{
var conversionResult = ConversionResult.Success(context.Source);
return(new ValueTask <ConversionResult>(conversionResult));
}
return(new ValueTask <ConversionResult>(ConversionResult.Unhandled()));
}
public bool TryConvert(ConverterContext context, out object?target)
{
target = default;
if (!(context.Parameter.Type.IsAssignableFrom(typeof(byte[])) &&
context.Source is string sourceString))
{
return(false);
}
target = Encoding.UTF8.GetBytes(sourceString);
return(true);
}
public ValueTask <ConversionResult> ConvertAsync(ConverterContext context)
{
if (!(context.TargetType.IsAssignableFrom(typeof(byte[])) &&
context.Source is string sourceString))
{
return(new ValueTask <ConversionResult>(ConversionResult.Unhandled()));
}
var byteArray = Encoding.UTF8.GetBytes(sourceString);
var conversionResult = ConversionResult.Success(byteArray);
return(new ValueTask <ConversionResult>(conversionResult));
}
public bool TryConvert(ConverterContext context, out object?target)
{
Type?sourceType = context.Source?.GetType();
if (sourceType is not null &&
context.Parameter.Type.IsAssignableFrom(sourceType))
{
target = context.Source;
return(true);
}
target = default;
return(false);
}
internal bool TryConvert(ConverterContext context, out object?target)
{
target = null;
// The first converter to successfully convert wins.
// For example, this allows a converter that parses JSON strings to return false if the
// string is not valid JSON. This manager will then continue with the next matching provider.
foreach (var converter in _converters)
{
if (converter.TryConvert(context, out object?targetObj))
{
target = targetObj;
return(true);
}
}
return(false);
}
public bool TryConvert(ConverterContext context, out object?target)
{
FunctionParameter param = context.Parameter;
target = null;
if (param.Type.IsGenericType)
{
var genericType = param.Type.GetGenericTypeDefinition();
if (genericType == typeof(OutputBinding <>))
{
var elementType = param.Type.GetGenericArguments()[0];
Type constructed = defaultBindingType.MakeGenericType(new Type[] { elementType });
target = Activator.CreateInstance(constructed, context.Parameter, context.ExecutionContext.OutputBindings);
return(true);
}
}
return(false);
}
public ValueTask <ConversionResult> ConvertAsync(ConverterContext context)
{
if (context.Source is not ReadOnlyMemory <byte> sourceMemory)
{
return(new ValueTask <ConversionResult>(ConversionResult.Unhandled()));
}
if (context.TargetType.IsAssignableFrom(typeof(string)))
{
var target = Encoding.UTF8.GetString(sourceMemory.Span);
return(new ValueTask <ConversionResult>(ConversionResult.Success(target)));
}
if (context.TargetType.IsAssignableFrom(typeof(byte[])))
{
var target = sourceMemory.ToArray();
return(new ValueTask <ConversionResult>(ConversionResult.Success(target)));
}
return(new ValueTask <ConversionResult>(ConversionResult.Unhandled()));
}
public bool TryConvert(ConverterContext context, out object?target)
{
target = default;
if (context.Parameter.Type == typeof(string) ||
context.Source is not string sourceString ||
string.IsNullOrEmpty(sourceString))
{
return(false);
}
try
{
target = JsonSerializer.Deserialize(sourceString, context.Parameter.Type, _options.Value);
return(true);
}
catch (JsonException)
{
}
return(false);
}
public bool TryConvert(ConverterContext context, out object?target)
{
target = default;
if (context.Source is not ReadOnlyMemory <byte> sourceMemory)
{
return(false);
}
if (context.Parameter.Type.IsAssignableFrom(typeof(string)))
{
target = Encoding.UTF8.GetString(sourceMemory.Span);
return(true);
}
if (context.Parameter.Type.IsAssignableFrom(typeof(byte[])))
{
target = sourceMemory.ToArray();
return(true);
}
return(false);
}
// Convert IEnumerable to array
public ValueTask <ConversionResult> ConvertAsync(ConverterContext context)
{
object?target = null;
// Ensure requested type is an array
if (context.TargetType.IsArray)
{
Type?elementType = context.TargetType.GetElementType();
if (elementType is not null)
{
// Ensure that we can assign from source to parameter type
if (elementType.Equals(typeof(string)) ||
elementType.Equals(typeof(byte[])) ||
elementType.Equals(typeof(ReadOnlyMemory <byte>)) ||
elementType.Equals(typeof(long)) ||
elementType.Equals(typeof(double)))
{
target = context.Source switch
{
IEnumerable <string> source => source.ToArray(),
IEnumerable <ReadOnlyMemory <byte> > source => GetBinaryData(source, elementType !),
IEnumerable <double> source => source.ToArray(),
IEnumerable <long> source => source.ToArray(),
_ => null
};
}
}
}
if (target is not null)
{
return(new ValueTask <ConversionResult>(ConversionResult.Success(target)));
}
return(new ValueTask <ConversionResult>(ConversionResult.Unhandled()));
}
