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/*
* GNU AFFERO GENERAL PUBLIC LICENSE
* Version 3, 19 November 2007
* Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
* Everyone is permitted to copy and distribute verbatim copies
* of this license document, but changing it is not allowed.
*/
using System;
using System.Globalization;
using System.IO;
using System.Reflection;
using System.Security.Cryptography;
using BinarySerialization;
using Newtonsoft.Json;
using UVtools.Core.Extensions;
namespace UVtools.Core
{
/// <summary>
/// A helper class with utilities
/// </summary>
public static class Helpers
{
/// <summary>
/// Gets the <see cref="BinarySerializer"/> instance
/// </summary>
public static BinarySerializer Serializer { get; } = new BinarySerializer {Endianness = Endianness.Little };
public static MemoryStream Serialize(object value)
{
MemoryStream stream = new MemoryStream();
Serializer.Serialize(stream, value);
return stream;
}
public static T Deserialize<T>(Stream stream)
{
return Serializer.Deserialize<T>(stream);
}
public static uint SerializeWriteFileStream(FileStream fs, object value, int offset = 0)
{
using (MemoryStream stream = Helpers.Serialize(value))
{
return fs.WriteStream(stream, offset);
}
}
public static T JsonDeserializeObject<T>(Stream stream)
{
using (TextReader tr = new StreamReader(stream))
{
return JsonConvert.DeserializeObject<T>(tr.ReadToEnd());
}
}
public static SHA1CryptoServiceProvider SHA1 { get; } = new SHA1CryptoServiceProvider();
public static string ComputeSHA1Hash(byte[] input)
{
return Convert.ToBase64String(SHA1.ComputeHash(input));
}
public static bool SetPropertyValue(PropertyInfo attribute, object obj, string value)
{
var name = attribute.PropertyType.Name.ToLower();
switch (name)
{
case "string":
attribute.SetValue(obj, value.Convert<string>());
return true;
case "boolean":
if(char.IsDigit(value[0]))
attribute.SetValue(obj, !value.Equals(0));
else
attribute.SetValue(obj, value.Equals("True", StringComparison.InvariantCultureIgnoreCase));
return true;
case "byte":
attribute.SetValue(obj, value.Convert<byte>());
return true;
case "uint16":
attribute.SetValue(obj, value.Convert<ushort>());
return true;
case "uint32":
attribute.SetValue(obj, value.Convert<uint>());
return true;
case "single":
attribute.SetValue(obj, (float)Math.Round(float.Parse(value, CultureInfo.InvariantCulture.NumberFormat), 3));
return true;
case "double":
attribute.SetValue(obj, Math.Round(double.Parse(value, CultureInfo.InvariantCulture.NumberFormat), 3));
return true;
case "decimal":
attribute.SetValue(obj, Math.Round(decimal.Parse(value, CultureInfo.InvariantCulture.NumberFormat), 3));
return true;
default:
throw new Exception($"Data type '{name}' not recognized, contact developer.");
}
}
public static int GetPixelPosition(int width, int x, int y)
{
return width * y + x;
}
}
}
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