godotOscSharp/OscArgument.cs

101 lines
3.3 KiB
C#

using System;
namespace godotOscSharp
{
// A class that represents a DWord
public class OscArgument
{
// The value of the DWord as an unsigned integer
public char Type { get; }
public object Value { get; }
// The constructor that takes an unsigned integer as the value
public OscArgument(object value, char type)
{
Value = value;
Type = type;
}
// A method that parses a byte array to a DWord
public static OscArgument Parse(byte[] data, ref int index, char type)
{
// Use BitConverter to get the unsigned integer from the bytes at the given index in little-endian order
object value = null;
var start = index;
switch (type) {
case 'i':
value = BitConverter.ToInt32(data, index);
index += 4;
break;
case 'f':
value = BitConverter.ToSingle(data, index);
index += 4;
break;
case 's':
while (data[index] != 0) // Find the null terminator
{
index++;
}
value = System.Text.Encoding.ASCII.GetString(data, start, index - start);
while (data[index] == 0 && index < data.Length)
{
index++;
}
break;
case 'h':
value = BitConverter.ToInt64(data, index);
index += 8;
break;
case 'd':
value = BitConverter.ToDouble(data, index);
index += 8;
break;
case 'T':
value = true;
break;
case 'F':
value = false;
break;
case 'N':
value = null;
break;
}
// Increment the index by 4 bytes
// Return a new DWord instance with the value
return new OscArgument(value, type);
}
public byte[] ToBytes()
{
switch (Type) {
case 'i':
return BitConverter.GetBytes((int)Value);
case 'f':
return BitConverter.GetBytes((float)Value);
case 's':
var result = new System.Collections.Generic.List<byte>();
result.AddRange(System.Text.Encoding.ASCII.GetBytes((string)Value));
result.Add(0);
var padding = 4 - (result.Count % 4);
for (int i = 0; i < padding; i++)
{
result.Add(0);
}
return result.ToArray();
case 'h':
return BitConverter.GetBytes((long)Value);
case 'd':
return BitConverter.GetBytes((double)Value);
}
return new byte[0];
}
public override string ToString()
{
return Value.ToString();
}
}
}