public InternalDataBlock Decode(BinaryData encodedData)
{
var parser = BinaryDataParser.OfValue(encodedData);
var blockType = parser.TakeAndSkip(1).ToInt32();
var blockLevel = parser.TakeAndSkip(1).ToInt32();
var numberOfEntries = parser.TakeAndSkip(2).ToInt32();
var totalByteCount = parser.TakeAndSkip(4).ToInt32();
var entries = parser.TakeAndSkip(numberOfEntries * 8);
var padding = BinaryData.Empty();
var remainingTo64Boundary = Utilities.GetRemainingToNextMultipleOf(numberOfEntries * 8 + 8, 64);
if (remainingTo64Boundary > 0)
{
padding = parser.TakeAndSkip(remainingTo64Boundary);
}
var trailer = parser.TakeAndSkip(16, trailerDecoder);
return(new InternalDataBlock(
blockType,
blockLevel,
numberOfEntries,
totalByteCount,
entries,
padding,
trailer));
}
public SubnodeBlock Decode(BinaryData encodedData)
{
var parser = BinaryDataParser.OfValue(encodedData);
var blockType = parser.TakeAndSkip(1).ToInt32();
var blockLevel = parser.TakeAndSkip(1).ToInt32();
var entrySize =
blockLevel == 1
? 16
: 24;
var numberOfEntries = parser.TakeAndSkip(2).ToInt32();
var padding = parser.TakeAndSkip(4);
var entries = parser.TakeAndSkip(numberOfEntries * entrySize);
var entriesPadding = BinaryData.Empty();
var remainingTo64Boundary = Utilities.GetRemainingToNextMultipleOf(numberOfEntries * entrySize + 8, 64);
if (remainingTo64Boundary > 0)
{
entriesPadding = parser.TakeAndSkip(remainingTo64Boundary);
}
var trailer = parser.TakeAndSkip(16, trailerDecoder);
return
(new SubnodeBlock(
blockType,
blockLevel,
numberOfEntries,
padding,
entries,
entriesPadding,
trailer));
}
