v1.1.0 - .NET 6.0 Update

SoundFont2/Chunks/Main Chunks/InfoListChunk.cs

@@ -0,0 +1,390 @@
+using Kermalis.EndianBinaryIO;
+using System;
+using System.Collections.Generic;
+
+namespace Kermalis.SoundFont2
+{
+	public sealed class InfoListChunk : SF2ListChunk
+	{
+		private const string DEFAULT_ENGINE = "EMU8000";
+		private const string DEFAULT_BANK = "General MIDI";
+		private const int COMMENT_MAX_SIZE = 0x10000;
+
+		private readonly List<SF2Chunk> _subChunks;
+		public string Engine
+		{
+			get
+			{
+				if (_subChunks.Find(s => s.ChunkName == "isng") is HeaderSubChunk chunk)
+				{
+					return chunk.Field;
+				}
+				_subChunks.Add(new HeaderSubChunk(_sf2, "isng", DEFAULT_ENGINE));
+				return DEFAULT_ENGINE;
+			}
+			set
+			{
+				if (_subChunks.Find(s => s.ChunkName == "isng") is HeaderSubChunk chunk)
+				{
+					chunk.Field = value;
+				}
+				else
+				{
+					_subChunks.Add(new HeaderSubChunk(_sf2, "isng", value));
+				}
+			}
+		}
+		public string Bank
+		{
+			get
+			{
+				if (_subChunks.Find(s => s.ChunkName == "INAM") is HeaderSubChunk chunk)
+				{
+					return chunk.Field;
+				}
+				_subChunks.Add(new HeaderSubChunk(_sf2, "INAM", DEFAULT_BANK));
+				return DEFAULT_BANK;
+			}
+			set
+			{
+				if (_subChunks.Find(s => s.ChunkName == "INAM") is HeaderSubChunk chunk)
+				{
+					chunk.Field = value;
+				}
+				else
+				{
+					_subChunks.Add(new HeaderSubChunk(_sf2, "INAM", value));
+				}
+			}
+		}
+
+		public string? ROM
+		{
+			get
+			{
+				if (_subChunks.Find(s => s.ChunkName == "irom") is HeaderSubChunk chunk)
+				{
+					return chunk.Field;
+				}
+				return null;
+			}
+			set
+			{
+				var chunk = _subChunks.Find(s => s.ChunkName == "irom") as HeaderSubChunk;
+				if (value is not null)
+				{
+					if (chunk is not null)
+					{
+						chunk.Field = value;
+					}
+					else
+					{
+						_subChunks.Add(new HeaderSubChunk(_sf2, "irom", value));
+					}
+				}
+				else
+				{
+					if (chunk is not null)
+					{
+						_subChunks.Remove(chunk);
+					}
+				}
+			}
+		}
+		public SF2VersionTag? ROMVersion
+		{
+			get
+			{
+				if (_subChunks.Find(s => s.ChunkName == "iver") is VersionSubChunk chunk)
+				{
+					return chunk.Version;
+				}
+				return null;
+			}
+			set
+			{
+				var chunk = _subChunks.Find(s => s.ChunkName == "iver") as VersionSubChunk;
+				if (value is not null)
+				{
+					if (chunk is not null)
+					{
+						chunk.Version = value;
+					}
+					else
+					{
+						_subChunks.Add(new VersionSubChunk(_sf2, "iver", value));
+					}
+				}
+				else
+				{
+					if (chunk is not null)
+					{
+						_subChunks.Remove(chunk);
+					}
+				}
+			}
+		}
+		public string? Date
+		{
+			get
+			{
+				if (_subChunks.Find(s => s.ChunkName == "ICRD") is HeaderSubChunk chunk)
+				{
+					return chunk.Field;
+				}
+				return null;
+			}
+			set
+			{
+				var chunk = _subChunks.Find(s => s.ChunkName == "ICRD") as HeaderSubChunk;
+				if (value is not null)
+				{
+					if (chunk is not null)
+					{
+						chunk.Field = value;
+					}
+					else
+					{
+						_subChunks.Add(new HeaderSubChunk(_sf2, "ICRD", value));
+					}
+				}
+				else
+				{
+					if (chunk is not null)
+					{
+						_subChunks.Remove(chunk);
+					}
+				}
+			}
+		}
+		public string? Designer
+		{
+			get
+			{
+				if (_subChunks.Find(s => s.ChunkName == "IENG") is HeaderSubChunk chunk)
+				{
+					return chunk.Field;
+				}
+				return null;
+			}
+			set
+			{
+				var chunk = _subChunks.Find(s => s.ChunkName == "IENG") as HeaderSubChunk;
+				if (value is not null)
+				{
+					if (chunk is not null)
+					{
+						chunk.Field = value;
+					}
+					else
+					{
+						_subChunks.Add(new HeaderSubChunk(_sf2, "IENG", value));
+					}
+				}
+				else
+				{
+					if (chunk is not null)
+					{
+						_subChunks.Remove(chunk);
+					}
+				}
+			}
+		}
+		public string? Products
+		{
+			get
+			{
+				if (_subChunks.Find(s => s.ChunkName == "IPRD") is HeaderSubChunk chunk)
+				{
+					return chunk.Field;
+				}
+				return null;
+			}
+			set
+			{
+				var chunk = _subChunks.Find(s => s.ChunkName == "IPRD") as HeaderSubChunk;
+				if (value is not null)
+				{
+					if (chunk is not null)
+					{
+						chunk.Field = value;
+					}
+					else
+					{
+						_subChunks.Add(new HeaderSubChunk(_sf2, "IPRD", value));
+					}
+				}
+				else
+				{
+					if (chunk is not null)
+					{
+						_subChunks.Remove(chunk);
+					}
+				}
+			}
+		}
+		public string? Copyright
+		{
+			get
+			{
+				if (_subChunks.Find(s => s.ChunkName == "ICOP") is HeaderSubChunk icop)
+				{
+					return icop.Field;
+				}
+				return null;
+			}
+			set
+			{
+				var chunk = _subChunks.Find(s => s.ChunkName == "ICOP") as HeaderSubChunk;
+				if (value is not null)
+				{
+					if (chunk is not null)
+					{
+						chunk.Field = value;
+					}
+					else
+					{
+						_subChunks.Add(new HeaderSubChunk(_sf2, "ICOP", value));
+					}
+				}
+				else
+				{
+					if (chunk is not null)
+					{
+						_subChunks.Remove(chunk);
+					}
+				}
+			}
+		}
+
+		public string? Comment
+		{
+			get
+			{
+				if (_subChunks.Find(s => s.ChunkName == "ICMT") is HeaderSubChunk chunk)
+				{
+					return chunk.Field;
+				}
+				return null;
+			}
+			set
+			{
+				var chunk = _subChunks.Find(s => s.ChunkName == "ICMT") as HeaderSubChunk;
+				if (value is not null)
+				{
+					if (chunk is not null)
+					{
+						chunk.Field = value;
+					}
+					else
+					{
+						_subChunks.Add(new HeaderSubChunk(_sf2, "ICMT", value, maxSize: COMMENT_MAX_SIZE));
+					}
+				}
+				else
+				{
+					if (chunk is not null)
+					{
+						_subChunks.Remove(chunk);
+					}
+				}
+			}
+		}
+		public string? Tools
+		{
+			get
+			{
+				if (_subChunks.Find(s => s.ChunkName == "ISFT") is HeaderSubChunk chunk)
+				{
+					return chunk.Field;
+				}
+				return null;
+			}
+			set
+			{
+				var chunk = _subChunks.Find(s => s.ChunkName == "ISFT") as HeaderSubChunk;
+				if (value is not null)
+				{
+					if (chunk is not null)
+					{
+						chunk.Field = value;
+					}
+					else
+					{
+						_subChunks.Add(new HeaderSubChunk(_sf2, "ISFT", value));
+					}
+				}
+				else
+				{
+					if (chunk is not null)
+					{
+						_subChunks.Remove(chunk);
+					}
+				}
+			}
+		}
+
+		internal InfoListChunk(SF2 inSf2) : base(inSf2, "INFO")
+		{
+			_subChunks = new List<SF2Chunk>()
+			{
+				// Mandatory sub-chunks
+				new VersionSubChunk(inSf2, "ifil", new SF2VersionTag(2, 1)),
+				new HeaderSubChunk(inSf2, "isng", DEFAULT_ENGINE),
+				new HeaderSubChunk(inSf2, "INAM", DEFAULT_BANK),
+			};
+			inSf2.UpdateSize();
+		}
+		internal InfoListChunk(SF2 inSf2, EndianBinaryReader reader) : base(inSf2, reader)
+		{
+			_subChunks = new List<SF2Chunk>();
+			long startOffset = reader.Stream.Position;
+			while (reader.Stream.Position < startOffset + Size - 4) // The 4 represents the INFO that was already read
+			{
+				// Peek 4 chars for the chunk name
+				string name = reader.ReadString_Count(4);
+				reader.Stream.Position -= 4;
+				switch (name)
+				{
+					case "ICMT": _subChunks.Add(new HeaderSubChunk(inSf2, reader, maxSize: COMMENT_MAX_SIZE)); break;
+					case "ifil":
+					case "iver": _subChunks.Add(new VersionSubChunk(inSf2, reader)); break;
+					case "isng":
+					case "INAM":
+					case "ICRD":
+					case "IENG":
+					case "IPRD":
+					case "ICOP":
+					case "ISFT":
+					case "irom": _subChunks.Add(new HeaderSubChunk(inSf2, reader)); break;
+					default: throw new NotSupportedException($"Unsupported chunk name at 0x{reader.Stream.Position:X}: \"{name}\"");
+				}
+			}
+		}
+
+		internal override uint UpdateSize()
+		{
+			Size = 4;
+			foreach (SF2Chunk sub in _subChunks)
+			{
+				Size += sub.Size + 8;
+			}
+
+			return Size;
+		}
+
+		internal override void Write(EndianBinaryWriter writer)
+		{
+			base.Write(writer);
+			foreach (SF2Chunk sub in _subChunks)
+			{
+				sub.Write(writer);
+			}
+		}
+
+		public override string ToString()
+		{
+			return $"Info List Chunk - Sub-chunk count = {_subChunks.Count}";
+		}
+	}
+}