119 lines
4.0 KiB
C#
119 lines
4.0 KiB
C#
/*
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godotOscSharp
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Copyright (C) 2023 Cassandra de la Cruz-Munoz
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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using System;
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namespace godotOscSharp
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{
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// A class that represents a DWord
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public class OscArgument
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{
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// The value of the DWord as an unsigned integer
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public char Type { get; }
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public object Value { get; }
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// The constructor that takes an unsigned integer as the value
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public OscArgument(object value, char type)
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{
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Value = value;
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Type = type;
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}
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// A method that parses a byte array to a DWord
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public static OscArgument Parse(byte[] data, ref int index, char type)
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{
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// Use BitConverter to get the unsigned integer from the bytes at the given index in little-endian order
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object value = null;
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var start = index;
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switch (type) {
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case 'i':
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value = BitConverter.ToInt32(data, index);
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index += 4;
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break;
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case 'f':
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value = BitConverter.ToSingle(data, index);
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index += 4;
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break;
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case 's':
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while (data[index] != 0) // Find the null terminator
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{
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index++;
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}
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value = System.Text.Encoding.ASCII.GetString(data, start, index - start);
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while (data[index] == 0 && index < data.Length)
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{
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index++;
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}
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break;
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case 'h':
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value = BitConverter.ToInt64(data, index);
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index += 8;
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break;
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case 'd':
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value = BitConverter.ToDouble(data, index);
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index += 8;
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break;
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case 'T':
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value = true;
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break;
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case 'F':
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value = false;
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break;
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case 'N':
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value = null;
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break;
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}
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// Increment the index by 4 bytes
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// Return a new DWord instance with the value
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return new OscArgument(value, type);
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}
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public byte[] ToBytes()
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{
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switch (Type) {
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case 'i':
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return BitConverter.GetBytes((int)Value);
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case 'f':
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return BitConverter.GetBytes((float)Value);
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case 's':
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var result = new System.Collections.Generic.List<byte>();
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result.AddRange(System.Text.Encoding.ASCII.GetBytes((string)Value));
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result.Add(0);
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var padding = 4 - (result.Count % 4);
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for (int i = 0; i < padding; i++)
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{
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result.Add(0);
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}
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return result.ToArray();
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case 'h':
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return BitConverter.GetBytes((long)Value);
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case 'd':
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return BitConverter.GetBytes((double)Value);
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}
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return new byte[0];
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}
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public override string ToString()
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{
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return Value.ToString();
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}
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}
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}
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