You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

106 lines
2.9 KiB

using IPA.Logging;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace IPA.Config.ConfigProviders
{
internal class JsonConfigProvider : IConfigProvider
{
private JObject jsonObj;
public dynamic Dynamic => jsonObj;
public bool HasChanged { get; private set; } = false;
private string _filename = null;
public string Filename
{
get => _filename;
set
{
if (_filename != null)
throw new InvalidOperationException("Can only assign to Filename once");
_filename = value;
}
}
public void Load()
{
Logger.config.Debug($"Loading file {Filename}.json");
var finfo = new FileInfo(Filename + ".json");
if (finfo.Exists)
{
string json = finfo.OpenText().ReadToEnd();
try
{
jsonObj = JObject.Parse(json);
}
catch (Exception e)
{
Logger.config.Error($"Error parsing JSON in file {Filename}.json; resetting to empty JSON");
Logger.config.Error(e);
jsonObj = new JObject();
File.WriteAllText(finfo.FullName, JsonConvert.SerializeObject(jsonObj, Formatting.Indented));
}
}
else
{
jsonObj = new JObject();
}
SetupListeners();
}
private void SetupListeners()
{
jsonObj.PropertyChanged += JsonObj_PropertyChanged;
jsonObj.ListChanged += JsonObj_ListChanged;
jsonObj.CollectionChanged += JsonObj_CollectionChanged;
}
private void JsonObj_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
HasChanged = true;
}
private void JsonObj_ListChanged(object sender, System.ComponentModel.ListChangedEventArgs e)
{
HasChanged = true;
}
private void JsonObj_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
HasChanged = true;
}
public T Parse<T>()
{
return jsonObj.ToObject<T>();
}
public void Save()
{
Logger.config.Debug($"Saving file {Filename}.json");
var finfo = new FileInfo(Filename + ".json");
File.WriteAllText(finfo.FullName, JsonConvert.SerializeObject(jsonObj, Formatting.Indented));
HasChanged = false;
}
public void Store<T>(T obj)
{
jsonObj = JObject.FromObject(obj);
SetupListeners();
HasChanged = true;
}
}
}