mirror of
https://github.com/ryujinx-mirror/ryujinx.git
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107 lines
3.3 KiB
C#
107 lines
3.3 KiB
C#
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using System.IO;
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using System.Text;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace Ryujinx.Common.Utilities
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{
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public class JsonHelper
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{
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public static JsonNamingPolicy SnakeCase { get; }
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private class SnakeCaseNamingPolicy : JsonNamingPolicy
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{
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public override string ConvertName(string name)
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{
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if (string.IsNullOrEmpty(name))
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{
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return name;
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}
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StringBuilder builder = new StringBuilder();
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for (int i = 0; i < name.Length; i++)
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{
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char c = name[i];
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if (char.IsUpper(c))
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{
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if (i == 0 || char.IsUpper(name[i - 1]))
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{
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builder.Append(char.ToLowerInvariant(c));
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}
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else
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{
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builder.Append("_");
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builder.Append(char.ToLowerInvariant(c));
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}
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}
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else
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{
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builder.Append(c);
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}
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}
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return builder.ToString();
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}
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}
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static JsonHelper()
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{
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SnakeCase = new SnakeCaseNamingPolicy();
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}
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public static JsonSerializerOptions GetDefaultSerializerOptions(bool prettyPrint = false)
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{
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JsonSerializerOptions options = new JsonSerializerOptions
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{
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DictionaryKeyPolicy = SnakeCase,
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PropertyNamingPolicy = SnakeCase,
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WriteIndented = prettyPrint,
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AllowTrailingCommas = true,
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ReadCommentHandling = JsonCommentHandling.Skip
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};
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options.Converters.Add(new JsonStringEnumConverter());
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return options;
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}
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public static T Deserialize<T>(Stream stream)
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{
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using (BinaryReader reader = new BinaryReader(stream))
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{
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return JsonSerializer.Deserialize<T>(reader.ReadBytes((int)(stream.Length - stream.Position)), GetDefaultSerializerOptions());
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}
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}
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public static T DeserializeFromFile<T>(string path)
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{
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return Deserialize<T>(File.ReadAllText(path));
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}
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public static T Deserialize<T>(string json)
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{
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return JsonSerializer.Deserialize<T>(json, GetDefaultSerializerOptions());
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}
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public static void Serialize<TValue>(Stream stream, TValue obj, bool prettyPrint = false)
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{
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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writer.Write(SerializeToUtf8Bytes(obj, prettyPrint));
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}
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}
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public static string Serialize<TValue>(TValue obj, bool prettyPrint = false)
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{
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return JsonSerializer.Serialize(obj, GetDefaultSerializerOptions(prettyPrint));
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}
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public static byte[] SerializeToUtf8Bytes<T>(T obj, bool prettyPrint = false)
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{
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return JsonSerializer.SerializeToUtf8Bytes(obj, GetDefaultSerializerOptions(prettyPrint));
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}
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}
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}
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