protected override AnyValue ConsumeNext(ValueType?typeHint, ref JsonElement current)
{
var element = current;
switch (element.ValueKind)
{
case JsonValueKind.True:
return(AnyValue.Bool(true));
case JsonValueKind.False:
return(AnyValue.Bool(false));
case JsonValueKind.Number:
return(AnyValue.Number(element.GetDouble()));
case JsonValueKind.String:
return(AnyValue.String(element.GetString()));
case JsonValueKind.Array:
PushContext(new ParentContext {
ArrayEnumerator = element.EnumerateArray()
});
return(AnyValue.Array(new ArrayReader(true)));
case JsonValueKind.Object:
PushContext(new ParentContext {
ObjectEnumerator = element.EnumerateObject()
});
return(AnyValue.Object(new ObjectReader(true, null)));
default:
return(AnyValue.Null());
}
}
private AnyValue FromNumber(double value, ValueType?typeHint)
{
switch (typeHint)
{
case ValueType.String:
return(AnyValue.String(value.ToString()));
}
return(AnyValue.Number(value));
}
private AnyValue FromBool(bool value, ValueType?typeHint)
{
switch (typeHint)
{
case ValueType.String:
return(AnyValue.String(value ? "true" : "false"));
}
return(AnyValue.Bool(value));
}
protected override AnyValue ConsumeNext(ValueType?typeHint, ref object current)
{
var element = current;
if (!_allowTypeCoercion)
{
typeHint = null;
}
switch (element)
{
case null:
return(AnyValue.Null());
case bool value:
return(FromBool(value, typeHint));
case int value:
return(FromNumber(value, typeHint));
case long value:
return(FromNumber(value, typeHint));
case float value:
return(FromNumber(value, typeHint));
case double value:
return(FromNumber(value, typeHint));
case string value:
return(FromString(value, typeHint));
case IEnumerable <KeyValuePair <string, object> > dict:
PushContext(new ParentContext {
ObjectEnumerator = dict.GetEnumerator()
});
return(AnyValue.Object(new ObjectReader()));
case IEnumerable <KeyValuePair <object, object> > dict:
var transformedDict = dict.Select(kv => new KeyValuePair <string, object>(kv.Key.ToString(), kv.Value));
PushContext(new ParentContext {
ObjectEnumerator = transformedDict.GetEnumerator()
});
return(AnyValue.Object(new ObjectReader()));
case IEnumerable <object> enumerable:
PushContext(new ParentContext {
ArrayEnumerator = enumerable.GetEnumerator()
});
return(AnyValue.Array(new ArrayReader()));
default:
throw new SyntaxException(string.Format("ReaderAdapters.FromSimpleTypes does not support type {0}",
element.GetType()), null);
}
}
/// <summary>
/// Reads a single value of any type, if it is a scalar value or a null, or prepares to read
/// the value if it is an array or object.
/// </summary>
/// <remarks>
/// <para>
/// The returned <see cref="AnyValue"/>'s <see cref="AnyValue.Type"/> property indicates the
/// value type. If it is <see cref="ValueType.Bool"/>, <see cref="ValueType.Number"/>, or
/// <see cref="ValueType.String"/>, check the corresponding <see cref="AnyValue.BoolValue"/>,
/// <see cref="AnyValue.NumberValue"/>, or <see cref="AnyValue.StringValue"/> property. If it is
/// <see cref="ValueType.Array"/> or <see cref="ValueType.Object"/>, the <c>AnyValue</c>'s
/// <see cref="AnyValue.ArrayValue"/> or <see cref="AnyValue.ObjectValue"/> property has been
/// initialized with an <see cref="ArrayReader"/> or <see cref="ObjectReader"/> just as if you
/// had called the <c>JReader</c>'s <see cref="Array"/> or <see cref="Object"/> method.
/// </para>
/// </remarks>
/// <returns>a scalar value or a marker for the beginning of a complex value</returns>
/// <exception cref="SyntaxException">if there is a JSON parsing error</exception>
public AnyValue Any()
{
_awaitingReadValue = false;
if (_delegate != null)
{
var value = _delegate.NextValue(null, true);
switch (value.Type)
{
// For arrays and objects, we need to set IsDefined to true here; the adapter won't
// be able to do that if it can't see our internal APIs.
case ValueType.Array:
return(AnyValue.Array(new ArrayReader(true)));
case ValueType.Object:
return(AnyValue.Object(new ObjectReader(true, null)));
}
return(value);
}
var token = _tr.Any();
switch (token.Type)
{
case ValueType.Bool:
return(AnyValue.Bool(token.BoolValue));
case ValueType.Number:
return(AnyValue.Number(token.NumberValue));
case ValueType.String:
return(AnyValue.String(token.StringValue));
case ValueType.Array:
return(AnyValue.Array(new ArrayReader(true)));
case ValueType.Object:
return(AnyValue.Object(new ObjectReader(true, null)));
default:
return(AnyValue.Null());
}
}
private AnyValue FromString(string value, ValueType?typeHint)
{
switch (typeHint)
{
case ValueType.Bool:
if (value == "true" || value == "on")
{
return(AnyValue.Bool(true));
}
if (value == "false" || value == "off")
{
return(AnyValue.Bool(false));
}
break;
case ValueType.Number:
if (double.TryParse(value, out var n))
{
return(AnyValue.Number(n));
}
break;
}
return(AnyValue.String(value));
}
