private static BaseRegistryValue ParseValue(DiffingToken token,
RegistryKey parent = null)
{
BaseRegistryValue value;
// TODO
value = new RegistryString {
IsVisible = true, Name = token.Token[1], Value = token.Token[2]
};
//switch (valueToken.Type)
//{
// case RegistryValueType.REG_SZ:
// value = new RegistryString
// {
// Name = valueToken.Name,
// Value = valueToken.Value
// };
// break;
// case RegistryValueType.REG_DWORD:
// value = new RegistryDWORD
// {
// Name = valueToken.Name,
// Value = valueToken.Value
// };
// break;
// default:
// value = new RegistryString
// {
// Name = valueToken.Name
// };
// break;
//}
value.IsInA = token.IsInA;
value.IsInB = token.IsInB;
value.HasDifference = !value.IsInB || !value.IsInA;
if (value.HasDifference && parent != null)
{
parent.HasDifference = true;
}
return(value);
}
private static async Task <int> ParseKeyAsync(DiffingToken token,
DiffingToken[] tokens,
int startIndex,
RegistryKey key,
IProgress <ProgressIncrement> progress,
RegistryKey parent = null)
{
bool ShouldContinue(int index)
{
return(index < tokens.Length && tokens[index].Token[0].StartsWith(token.Token[0]));
}
key.Path = token.Token[0];
key.Name = token.Token[0].Split('\\').Last();
key.HasDifference = !key.IsInB || !key.IsInA;
if (key.HasDifference && parent != null)
{
parent.HasDifference = true;
}
for (; ShouldContinue(startIndex); startIndex++)
{
var nextToken = tokens[startIndex];
// Registry key.
if (nextToken.Token.Length == 1)
{
var nextKey = new RegistryKey
{
IsInA = nextToken.IsInA,
IsInB = nextToken.IsInB
};
startIndex = await ParseKeyAsync(nextToken, tokens, startIndex + 1, nextKey, progress, key);
if (key.HasDifference && parent != null)
{
parent.HasDifference = true;
}
key.Keys.Add(nextKey);
}
// Registry value.
else if (nextToken.Token.Length == 3)
{
key.Values.Add(ParseValue(nextToken, key));
if (key.HasDifference && parent != null)
{
parent.HasDifference = true;
}
}
if (startIndex + 1 % 3726 == 0)
{
var progressIncrement = new ProgressIncrement
{
Current = startIndex + 1,
Message = $"Building view... ({startIndex + 1} of {tokens.Length})",
Total = tokens.Length
};
await Task.Run(() => progress?.Report(progressIncrement));
}
}
return(--startIndex);
}
