aaru-dps/Aaru.Decoders
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Add Lisa tags converters and marshallers.

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This commit is contained in:
Natalia Portillo
2018-01-04 02:28:47 +00:00
parent 43d7a9debd
commit c3be1733a4
1 changed files with 287 additions and 76 deletions
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211
LisaTag.cs
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@@ -88,6 +88,79 @@ namespace DiscImageChef.Decoders
public bool IsFirst; public bool IsFirst;
/// <summary>On-memory value for easy last block search.</summary> /// <summary>On-memory value for easy last block search.</summary>
public bool IsLast; public bool IsLast;
/// <summary>
/// Converts this tag to Priam DataTower format
/// </summary>
public PriamTag ToPriam()
{
return new PriamTag
{
AbsPage = AbsPage,
Checksum = Checksum,
FileId = FileId,
IsFirst = IsFirst,
IsLast = IsLast,
Kind = Kind,
NextBlock = IsLast ? 0xFFFFFF : NextBlock & 0xFFFFFF,
PrevBlock = IsFirst ? 0xFFFFFF : PrevBlock & 0xFFFFFF,
RelPage = RelPage,
UsedBytes = UsedBytes,
ValidChk = ValidChk,
Version = Version,
Volume = Volume
};
}
/// <summary>
/// Converts this tag to Sony format
/// </summary>
public SonyTag Sony()
{
return new SonyTag
{
FileId = FileId,
IsFirst = IsFirst,
IsLast = IsLast,
Kind = Kind,
NextBlock = (ushort)NextBlock,
PrevBlock = (ushort)PrevBlock,
RelPage = RelPage,
Version = Version,
Volume = Volume
};
}
/// <summary>
/// Gets a byte array representation of this tag
/// </summary>
public byte[] GetBytes()
{
byte[] tagBytes = new byte[20];
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
byte[] tmp = BigEndianBitConverter.GetBytes(Version);
Array.Copy(tmp, 0, tagBytes, 0, 2);
tagBytes[2] = (byte)(Kind << 6);
tagBytes[3] = Volume;
tmp = BigEndianBitConverter.GetBytes(FileId);
Array.Copy(tmp, 0, tagBytes, 4, 2);
tmp = BigEndianBitConverter.GetBytes((ushort)(UsedBytes & 0x7FFF));
Array.Copy(tmp, 0, tagBytes, 6, 2);
if(ValidChk) tagBytes[6] += 0x80;
tmp = BigEndianBitConverter.GetBytes(AbsPage);
Array.Copy(tmp, 1, tagBytes, 8, 3);
tagBytes[11] = Checksum;
tmp = BigEndianBitConverter.GetBytes(RelPage);
Array.Copy(tmp, 0, tagBytes, 12, 2);
tmp = BigEndianBitConverter.GetBytes(IsLast ? 0xFFFFFF : NextBlock);
Array.Copy(tmp, 1, tagBytes, 14, 3);
tmp = BigEndianBitConverter.GetBytes(IsFirst ? 0xFFFFFF : PrevBlock);
Array.Copy(tmp, 1, tagBytes, 17, 3);
return tagBytes;
}
} }
/// <summary> /// <summary>
@@ -142,6 +215,81 @@ namespace DiscImageChef.Decoders
public bool IsFirst; public bool IsFirst;
/// <summary>On-memory value for easy last block search.</summary> /// <summary>On-memory value for easy last block search.</summary>
public bool IsLast; public bool IsLast;
/// <summary>
/// Converts this tag to Apple Profile format
/// </summary>
public ProfileTag Profile()
{
return new ProfileTag
{
AbsPage = AbsPage,
Checksum = Checksum,
FileId = FileId,
IsFirst = IsFirst,
IsLast = IsLast,
Kind = Kind,
NextBlock = IsLast ? 0xFFFFFF : NextBlock & 0xFFFFFF,
PrevBlock = IsFirst ? 0xFFFFFF : PrevBlock & 0xFFFFFF,
RelPage = RelPage,
UsedBytes = UsedBytes,
ValidChk = ValidChk,
Version = Version,
Volume = Volume
};
}
/// <summary>
/// Converts this tag to Sony format
/// </summary>
public SonyTag ToSony()
{
return new SonyTag
{
FileId = FileId,
IsFirst = IsFirst,
IsLast = IsLast,
Kind = Kind,
NextBlock = (ushort)(IsLast ? 0x7FF : NextBlock & 0x7FF),
PrevBlock = (ushort)(IsFirst ? 0x7FF : PrevBlock & 0x7FF),
RelPage = RelPage,
Version = Version,
Volume = Volume
};
}
/// <summary>
/// Gets a byte array representation of this tag
/// </summary>
public byte[] GetBytes()
{
byte[] tagBytes = new byte[24];
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
byte[] tmp = BigEndianBitConverter.GetBytes(Version);
Array.Copy(tmp, 0, tagBytes, 0, 2);
tagBytes[2] = (byte)(Kind << 6);
tagBytes[3] = Volume;
tmp = BigEndianBitConverter.GetBytes(FileId);
Array.Copy(tmp, 0, tagBytes, 4, 2);
tmp = BigEndianBitConverter.GetBytes((ushort)(UsedBytes & 0x7FFF));
Array.Copy(tmp, 0, tagBytes, 6, 2);
if(ValidChk) tagBytes[6] += 0x80;
tmp = BigEndianBitConverter.GetBytes(AbsPage);
Array.Copy(tmp, 1, tagBytes, 8, 3);
tagBytes[11] = Checksum;
tmp = BigEndianBitConverter.GetBytes(RelPage);
Array.Copy(tmp, 0, tagBytes, 12, 2);
tmp = BigEndianBitConverter.GetBytes(IsLast ? 0xFFFFFF : NextBlock);
Array.Copy(tmp, 1, tagBytes, 14, 3);
tmp = BigEndianBitConverter.GetBytes(IsFirst ? 0xFFFFFF : PrevBlock);
Array.Copy(tmp, 1, tagBytes, 17, 3);
tmp = BigEndianBitConverter.GetBytes(DiskSize);
Array.Copy(tmp, 0, tagBytes, 20, 4);
return tagBytes;
}
} }
/// <summary> /// <summary>
@@ -176,6 +324,69 @@ namespace DiscImageChef.Decoders
public bool IsFirst; public bool IsFirst;
/// <summary>On-memory value for easy last block search.</summary> /// <summary>On-memory value for easy last block search.</summary>
public bool IsLast; public bool IsLast;
/// <summary>
/// Converts this tag to Apple Profile format
/// </summary>
public ProfileTag ToProfile()
{
return new ProfileTag
{
FileId = FileId,
IsFirst = IsFirst,
IsLast = IsLast,
Kind = Kind,
NextBlock = (uint)(IsLast ? 0xFFFFFF : NextBlock & 0xFFFFFF),
PrevBlock = (uint)(IsFirst ? 0xFFFFFF : PrevBlock & 0xFFFFFF),
RelPage = RelPage,
Version = Version,
Volume = Volume
};
}
/// <summary>
/// Converts this tag to Priam DataTower format
/// </summary>
public PriamTag ToPriam()
{
return new PriamTag
{
FileId = FileId,
IsFirst = IsFirst,
IsLast = IsLast,
Kind = Kind,
NextBlock = (uint)(IsLast ? 0xFFFFFF : NextBlock & 0xFFFFFF),
PrevBlock = (uint)(IsFirst ? 0xFFFFFF : PrevBlock & 0xFFFFFF),
RelPage = RelPage,
Version = Version,
Volume = Volume
};
}
/// <summary>
/// Gets a byte array representation of this tag
/// </summary>
public byte[] GetBytes()
{
byte[] tagBytes = new byte[12];
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
byte[] tmp = BigEndianBitConverter.GetBytes(Version);
Array.Copy(tmp, 0, tagBytes, 0, 2);
tagBytes[2] = (byte)(Kind << 6);
tagBytes[3] = Volume;
tmp = BigEndianBitConverter.GetBytes(FileId);
Array.Copy(tmp, 0, tagBytes, 4, 2);
tmp = BigEndianBitConverter.GetBytes(RelPage);
Array.Copy(tmp, 0, tagBytes, 6, 2);
tmp = BigEndianBitConverter.GetBytes(IsLast ? 0x7FF : NextBlock);
Array.Copy(tmp, 1, tagBytes, 8, 2);
tmp = BigEndianBitConverter.GetBytes(IsFirst ? 0x7FF : PrevBlock);
Array.Copy(tmp, 1, tagBytes, 10, 2);
return tagBytes;
}
} }
public static SonyTag? DecodeSonyTag(byte[] tag) public static SonyTag? DecodeSonyTag(byte[] tag)