private string SwapEscaping(char[] arr)
{
//need to make sure we don't bubble escaping &\\\\ should become \\&\\ and not \\\\&
var swaped = new HashSet <int>();
for (var i = 1; i < arr.Length; i++)
{
if (arr[i] == '\\' && RavenQuery.IsEscapedChar(arr[i - 1]) && swaped.Contains(arr[i - 1]) == false)
{
swaped.Add(i);
arr[i] = arr[i - 1];
arr[i - 1] = '\\';
}
}
return(new string(arr));
}
