public static bool IgnoreCurrent(byte[] match, ShrinkState state)
{
if (Array.IndexOf(match, state.Current) >= 0)
{
state.InsideTag = true;
state.IgnoreCount = 0;
}
else
{
if (state.InsideTag)
{
if (Array.IndexOf(IgnoreMatch, state.Current) >= 0)
{
// Leave at least a single space
if (++state.IgnoreCount > LeaveAtLeast)
{
return(true);
}
}
else
{
state.InsideTag = false;
}
}
}
return(false);
}
public static int ShrinkBackward(byte[] buffer, int offset, int count)
{
var result = buffer;
var resultIndex = count - offset;
var state = new ShrinkState();
for (int bufferIndex = offset + count - 1; bufferIndex >= 0; bufferIndex--)
{
state.Current = buffer[bufferIndex];
if (IgnoreCurrent(BackwardMatch, state))
{
continue;
}
result[--resultIndex] = state.Current;
}
return(result.Length - resultIndex);
}
public static int ShrinkForward(byte[] buffer, int resultOffset, int offset, int count)
{
var result = buffer;
var resultIndex = resultOffset;
var state = new ShrinkState();
for (int bufferIndex = offset; bufferIndex < offset + count; bufferIndex++)
{
state.Current = buffer[bufferIndex];
if (IgnoreCurrent(ForwardMatch, state))
{
continue;
}
result[resultIndex++] = state.Current;
}
return(resultIndex);
}