public ConcatenationRopeEnumerator(ConcatenationRope concatenationRope, int start)
{
this.initialRope = concatenationRope;
this.toTraverse = new RopeDeque();
this.toTraverse.Add(concatenationRope);
this.currentRope = null;
this.initStart = start;
this.Init();
if (start < 0 || start > concatenationRope.Length())
{
throw new ArgumentOutOfRangeException("Rope index out of range: " + start);
}
this.MoveNext(start);
}
/// <summary>
/// Concatenates two ropes together using the most efficient implementation
/// </summary>
/// <param name="left">the rope to come first in the new rope</param>
/// <param name="right">te rope to come last in the new rope</param>
/// <returns>the concatenated rope</returns>
public Rope Concatenate(Rope left, Rope right)
{
if (left.Length() == 0)
{
return(right);
}
if (right.Length() == 0)
{
return(left);
}
if ((long)left.Length() + right.Length() > int.MaxValue)
{
throw new ArgumentOutOfRangeException("Concatenation would overflow field length");
}
if (left.Length() + right.Length() < COMBINE_LENGTH)
{
return(new FlatCharArrayRope(left.ToString(), right.ToString()));
}
else if (!(left is ConcatenationRope))
{
if (right is ConcatenationRope)
{
ConcatenationRope cRight = (ConcatenationRope)right;
if (left.Length() + cRight.GetLeft().Length() < COMBINE_LENGTH)
{
return(this.AutoRebalance(new ConcatenationRope(new FlatCharArrayRope(left.ToString(), cRight.GetLeft().ToString()), cRight.GetRight())));
}
}
}
else if (!(right is ConcatenationRope))
{
if (left is ConcatenationRope)
{
ConcatenationRope cLeft = (ConcatenationRope)left;
if (right.Length() + cLeft.GetRight().Length() < COMBINE_LENGTH)
{
return(this.AutoRebalance(new ConcatenationRope(cLeft.GetLeft(), new FlatCharArrayRope(cLeft.GetRight().ToString(), right.ToString()))));
}
}
}
return(this.AutoRebalance(new ConcatenationRope(left, right)));
}
public ConcatenationRopeReverseEnumerator(ConcatenationRope concatenationRope, int start) : this(concatenationRope)
{
this.start = start;
}
public ConcatenationRopeReverseEnumerator(ConcatenationRope concatenationRope)
{
this.concatenationRope = concatenationRope;
}
public ConcatenationRopeEnumerator(ConcatenationRope concatenationRope) : this(concatenationRope, 0)
{
}
