public T this[int index]
{
get
{
int run, offset;
RunAndOffset(index, out run, out offset);
return(Runs[run].Value);
}
set
{
int run, offset;
RunAndOffset(index, out run, out offset);
if (!Runs[run].Value.Equals(value))
{
var before = offset;
var after = Runs[run].Length - offset;
var val = Runs[run].Value;
Runs[run] = new Run(0, value);
if (before != 0)
{
Runs.Insert(run, new Run((byte)(before - 1), val));
}
if (after != 0)
{
Runs.Insert(run + 1, new Run((byte)(after - 1), val));
}
}
}
}
public void Insert(int index, T value)
{
int run, offset;
RunAndOffset(index, out run, out offset);
if (Runs[run].Length != byte.MaxValue && Runs[run].Value.Equals(value))
{
Runs[run] = new Run((byte)(Runs[run].Length + 1), Runs[run].Value);
}
else if (offset == 0 && run > 0 && Runs[run - 1].Length != byte.MaxValue && Runs[run - 1].Value.Equals(value))
{
Runs[run - 1] = new Run((byte)(Runs[run - 1].Length + 1), Runs[run - 1].Value);
}
else if (offset == Runs[run].Length && run < Runs.Count - 1 && Runs[run + 1].Length != byte.MaxValue && Runs[run + 1].Value.Equals(value))
{
Runs[run + 1] = new Run((byte)(Runs[run + 1].Length + 1), Runs[run + 1].Value);
}
else
{
var before = offset;
var after = (Runs[run].Length + 1) - offset;
var val = Runs[run].Value;
Runs[run] = new Run(0, value);
if (before != 0)
{
Runs.Insert(run, new Run((byte)(before - 1), val));
}
if (after != 0)
{
Runs.Insert(run + 1, new Run((byte)(after - 1), val));
}
}
}
