/// <summary>
/// Analyse File Encoding
/// </summary>
/// <param name="path">File Path</param>
/// <returns>File Encoding</returns>
public static Encoding AnalyseEncoding(string path)
{
if (File.Exists(path))
{
var bytes = File.ReadAllBytes(path);
var enc = EncodingAnalyser.Analyse(bytes);
return(enc);
}
else
{
throw new ArgumentException($"File Not Found : {path}");
}
}
/// <summary>
/// Convert To Managed String
/// </summary>
/// <param name="char_ptr">Native Char Pointer</param>
/// <param name="encoding">Encoding</param>
/// <returns>Managed String</returns>
public static string ToManagedString(this IntPtr char_ptr, string encoding = "utf-8")
{
if (char_ptr == IntPtr.Zero)
{
return(null);
}
else
{
var x = 0;
var bytes = new List <byte>();
unsafe
{
var byte_ptr = (byte *)char_ptr;
while (byte_ptr[x] != 0)
{
x++;
bytes.Add(byte_ptr[x]);
}
var byte_array = bytes.ToArray();
var enc = EncodingAnalyser.Analyse(byte_array) ?? Encoding.GetEncoding(encoding);
var len = enc.GetCharCount(byte_ptr, x);
if (len == 0)
{
return(string.Empty);
}
else
{
var str_buf = stackalloc char[len];
var str_len = enc.GetChars(byte_ptr, x, str_buf, len);
var str = new string(str_buf, 0, str_len);
return(str);
}
}
}
}
