/// <summary>
/// Writes this instance to provided writer.
/// </summary>
/// <param name="writer">Writer to wrtire this instance to.</param>
public void WriteTo(Utf8JsonWriter writer)
{
var recursionStack = new Stack <RecursionStackFrame>();
recursionStack.Push(new RecursionStackFrame(null, this));
while (recursionStack.TryPop(out RecursionStackFrame currentFrame))
{
if (currentFrame.PropertyValue == null)
{
// Current object/array is finished.
// PropertyValue is null, so we need to check ValueKind:
Debug.Assert(currentFrame.ValueKind == JsonValueKind.Object || currentFrame.ValueKind == JsonValueKind.Array);
if (currentFrame.ValueKind == JsonValueKind.Object)
{
writer.WriteEndObject();
}
if (currentFrame.ValueKind == JsonValueKind.Array)
{
writer.WriteEndArray();
}
continue;
}
if (currentFrame.PropertyName != null)
{
writer.WritePropertyName(currentFrame.PropertyName);
}
switch (currentFrame.PropertyValue)
{
case JsonObject jsonObject:
writer.WriteStartObject();
// Add end of object marker:
recursionStack.Push(new RecursionStackFrame(null, null, JsonValueKind.Object));
// Add properties to recursion stack. Reverse enumerate to keep properties order:
foreach (KeyValuePair <string, JsonNode> jsonProperty in jsonObject.Reverse())
{
recursionStack.Push(new RecursionStackFrame(jsonProperty.Key, jsonProperty.Value));
}
break;
case JsonArray jsonArray:
writer.WriteStartArray();
// Add end of array marker:
recursionStack.Push(new RecursionStackFrame(null, null, JsonValueKind.Array));
// Add items to recursion stack. Reverse enumerate to keep items order:
for (int i = jsonArray.Count - 1; i >= 0; i--)
{
recursionStack.Push(new RecursionStackFrame(null, jsonArray[i]));
}
break;
case JsonString jsonString:
writer.WriteStringValue(jsonString.Value);
break;
case JsonNumber jsonNumber:
writer.WriteNumberValue(Encoding.UTF8.GetBytes(jsonNumber.ToString()));
break;
case JsonBoolean jsonBoolean:
writer.WriteBooleanValue(jsonBoolean.Value);
break;
case JsonNull _:
writer.WriteNullValue();
break;
}
writer.Flush();
}
writer.Flush();
}
