86 lines
2.7 KiB
C#
86 lines
2.7 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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using System.Text.RegularExpressions;
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namespace godotOscSharp
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{
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public class OscAddress
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{
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public string Pattern { get; }
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public OscAddress(string pattern)
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{
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if (string.IsNullOrEmpty(pattern))
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{
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throw new ArgumentException("Pattern cannot be null or empty");
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}
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if (!pattern.StartsWith("/"))
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{
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throw new ArgumentException("Pattern must start with a slash (/)");
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}
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if (pattern.Contains("//"))
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{
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throw new ArgumentException("Pattern cannot contain two consecutive slashes (//)");
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}
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if (pattern.Contains(" "))
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{
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throw new ArgumentException("Pattern cannot contain spaces");
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}
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if (!Regex.IsMatch(pattern, @"^/([\w\-\.\*]+/)*([\w\-\.\*]+|\*)$"))
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{
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throw new ArgumentException("Pattern contains invalid characters");
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}
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Pattern = pattern;
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}
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public byte[] ToBytes()
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{
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var result = new System.Collections.Generic.List<byte>();
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result.AddRange(System.Text.Encoding.ASCII.GetBytes(Pattern));
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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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}
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public static OscAddress Parse(byte[] data, ref int index)
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{
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var start = index;
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while (data[index] != 0)
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{
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index++;
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}
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var pattern = System.Text.Encoding.ASCII.GetString(data, start, index - start);
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index++;
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var padding = 4 - ((index - start) % 4);
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index += padding;
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return new OscAddress(pattern);
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}
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public override string ToString()
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{
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return Pattern;
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}
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}
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}
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