SabreTools/SabreTools.Compression
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Add multiple byte reading

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This commit is contained in:
Matt Nadareski
2023-09-21 22:27:19 -04:00
parent 81eab984fb
commit 15bf2001b5
1 changed files with 28 additions and 4 deletions
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32
BitStream.cs
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@@ -59,7 +59,7 @@ namespace SabreTools.Compression
public byte? ReadBitLSB() => ReadBitInternal(false);
/// <summary>
/// Read a full byte, if possible
/// Read a byte, if possible
/// </summary>
/// <returns>The next byte, null on error or end of stream</returns>
public byte? ReadByte()
@@ -82,7 +82,7 @@ namespace SabreTools.Compression
}
/// <summary>
/// Read a full UInt16, if possible
/// Read a UInt16, if possible
/// </summary>
/// <returns>The next UInt16, null on error or end of stream</returns>
public ushort? ReadUInt16()
@@ -105,7 +105,7 @@ namespace SabreTools.Compression
}
/// <summary>
/// Read a full UInt32, if possible
/// Read a UInt32, if possible
/// </summary>
/// <returns>The next UInt32, null on error or end of stream</returns>
public uint? ReadUInt32()
@@ -128,7 +128,7 @@ namespace SabreTools.Compression
}
/// <summary>
/// Read a full UInt64, if possible
/// Read a UInt64, if possible
/// </summary>
/// <returns>The next UInt64, null on error or end of stream</returns>
public ulong? ReadUInt64()
@@ -150,6 +150,30 @@ namespace SabreTools.Compression
throw new NotImplementedException();
}
/// <summary>
/// Read <paramref name="bytes"/> bytes, if possible
/// </summary>
/// <param name="bytes">Number of bytes to read</param>
/// <returns>The next paramref name="bytes"/> bytes, null on error or end of stream</returns>
public byte[] ReadBytes(int bytes)
{
// If we don't have a value cached
if (_lastRead == null)
{
try
{
return _source.ReadBytes(bytes);
}
catch
{
return null;
}
}
// Otherwise, assemble the value from the next bits
throw new NotImplementedException();
}
/// <summary>
/// Read a single bit, if possible
/// </summary>