JsonFormatter.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Text.Encodings.Web;
using System.Text.Json;
using System.Text.RegularExpressions;
using System.Text.Unicode;

using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

using JsonSerializer = System.Text.Json.JsonSerializer;

namespace Language.Core
{
    public sealed class JsonFormatter
    {
        private readonly StreamReader _reader;
        private readonly StreamWriter _writer;
        private readonly string _modName;

        public JsonFormatter(StreamReader reader, StreamWriter writer, string modName)
        {
            _reader = reader;
            _writer = writer;
            _modName = modName;
        }

        public void Format()
        {
            var builder = new StringBuilder();
            while (!_reader.EndOfStream)
            {
                builder.AppendLine(_reader.ReadLine());
            }

            _reader.BaseStream.Seek(0, SeekOrigin.Begin);

            try
            {
                if (string.IsNullOrEmpty(builder.ToString()))
                {
                    throw new NullReferenceException();
                }

                if (string.IsNullOrWhiteSpace(builder.ToString()))
                {
                    throw new NullReferenceException();
                }
                //有憨憨作者在json里写除了string以外的内容全部抛出
                JsonSerializer.Deserialize<Dictionary<string, string>>(builder.ToString(), new JsonSerializerOptions()
                {
                    AllowTrailingCommas = true,
                    ReadCommentHandling = JsonCommentHandling.Skip,
                    Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
                });

                var jr = new JsonTextReader(_reader);
                var jo = new JObject();
                var jt = (JObject)JToken.ReadFrom(jr, new JsonLoadSettings() { DuplicatePropertyNameHandling = DuplicatePropertyNameHandling.Ignore, CommentHandling = CommentHandling.Ignore });
                foreach (var (key, value) in jt)
                {
                    jo.Add(key, value.Value<string>());
                }
                _writer.Write(jo.ToString());
                _writer.Close();
                _writer.Dispose();
                _reader.Close();
                _reader.Dispose();
            }
            catch
            {
                if (!Directory.Exists($"{Directory.GetCurrentDirectory()}/broken"))
                {
                    Directory.CreateDirectory($"{Directory.GetCurrentDirectory()}/broken");
                }
                _writer.Write("{}");
                _writer.Close();
                _writer.Dispose();
                _reader.Close();
                _reader.Dispose();
                File.WriteAllText($"{Directory.GetCurrentDirectory()}/broken/{_modName}{DateTime.UtcNow.Millisecond}.json", builder.ToString());
            }
        }
    }
}