DictionaryDeserializer.cs

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using Fauna.Mapping;
 
namespace Fauna.Serialization;
 
internal class DictionaryDeserializer<T> : BaseDeserializer<Dictionary<string, T>>
{
    private IDeserializer<T> _elemDeserializer;
 
    public DictionaryDeserializer(IDeserializer<T> elemDeserializer)
    {
        _elemDeserializer = elemDeserializer;
    }
 
    public override Dictionary<string, T> Deserialize(MappingContext context, ref Utf8FaunaReader reader)
    {
        if (reader.CurrentTokenType != TokenType.StartObject)
            throw new SerializationException(
                $"Unexpected token while deserializing into {typeof(Dictionary<string, T>)}: {reader.CurrentTokenType}");
 
        var dict = new Dictionary<string, T>();
 
        while (reader.Read() && reader.CurrentTokenType != TokenType.EndObject)
        {
            if (reader.CurrentTokenType != TokenType.FieldName)
                throw new SerializationException(
                    $"Unexpected token while deserializing field of {typeof(Dictionary<string, T>)}: {reader.CurrentTokenType}");
 
            var fieldName = reader.GetString()!;
            reader.Read();
            dict.Add(fieldName, _elemDeserializer.Deserialize(context, ref reader));
        }
 
        return dict;
    }
}