public JsonValue(JsonValueType type)
{
_type = type;
//TODO: no spans on the heap
//_value = default(Utf8Span);
_object = null;
}
public JsonValue(JsonDynamicObject obj)
{
//TODO: no spans on the heap
//_value = default(Utf8Span);
_object = obj;
_type = JsonValueType.Object;
}
public JsonValue(Utf8Span value, JsonValueType type = JsonValueType.String)
{
//TODO: no spans on the heap
//_value = value;
_object = null;
_type = type;
}
public JsonProperty(JsonDynamicObject obj, Utf8String name)
{
_object = obj;
_name = name;
}
public JsonValue(JsonReader.JsonValueType type)
{
_type = type;
_value = default(Utf8String);
_object = null;
}
public JsonValue(JsonDynamicObject obj)
{
_value = default(Utf8String);
_object = obj;
_type = JsonReader.JsonValueType.Object;
}
public JsonValue(Utf8String value, JsonReader.JsonValueType type = JsonReader.JsonValueType.String)
{
_value = value;
_object = null;
_type = type;
}
public static JsonDynamicObject Parse(ReadOnlySpan <byte> utf8, int expectedNumberOfProperties = -1)
{
Stack <JsonDynamicObject> stack = new Stack <JsonDynamicObject>();
if (expectedNumberOfProperties == -1)
{
expectedNumberOfProperties = utf8.Length >> 3;
}
var properties = new Dictionary <JsonProperty, JsonValue>(expectedNumberOfProperties);
stack.Push(new JsonDynamicObject(properties));
var reader = new JsonReader(new Utf8String(utf8));
while (reader.Read())
{
switch (reader.TokenType)
{
case JsonReader.JsonTokenType.Property:
var name = reader.GetName();
var type = reader.GetJsonValueType();
var value = reader.GetValue();
var current = stack.Peek();
var property = new JsonProperty(current, name);
switch (type)
{
case JsonReader.JsonValueType.String:
current._properties[property] = new JsonValue(value);
break;
case JsonReader.JsonValueType.Object: // TODO: could this be lazy? Could this reuse the root JsonObject (which would store non-allocating JsonDom)?
var newObj = new JsonDynamicObject(properties);
current._properties[property] = new JsonValue(newObj);
stack.Push(newObj);
break;
case JsonReader.JsonValueType.True:
current._properties[property] = new JsonValue(type);
break;
case JsonReader.JsonValueType.False:
current._properties[property] = new JsonValue(type);
break;
case JsonReader.JsonValueType.Null:
current._properties[property] = new JsonValue(type);
break;
case JsonReader.JsonValueType.Number:
current._properties[property] = new JsonValue(value, type);
break;
case JsonReader.JsonValueType.Array:
throw new NotImplementedException("array support not implemented yet.");
default:
throw new NotSupportedException();
}
break;
case JsonReader.JsonTokenType.ObjectStart:
break;
case JsonReader.JsonTokenType.ObjectEnd:
if (stack.Count != 1)
{
stack.Pop();
}
break;
case JsonReader.JsonTokenType.ArrayStart:
throw new NotImplementedException("array support not implemented yet.");
case JsonReader.JsonTokenType.ArrayEnd:
case JsonReader.JsonTokenType.Value:
break;
default:
throw new NotSupportedException();
}
}
return(stack.Peek());
}
public JsonProperty(JsonDynamicObject obj, Utf8Span name)
{
_object = obj;
//TODO: no spans on the heap
//_name = name;
}