private static int SplitAtColisions(IList <VNode> previousLayer, int j, VNode current, VNode previous)
{
var startCollides =
current.Index > previous.Index &&
current.Index < previous.Index + previous.Length;
if (startCollides)
{
var partAfter = previous.SplitAt(current.Index);
j++;
previousLayer.Insert(j, partAfter);
previous = partAfter;
}
var endsCollides =
current.Index + current.Length > previous.Index &&
current.Index + current.Length < previous.Index + previous.Length;
if (endsCollides)
{
var partAfter = previous.SplitAt(current.Index + current.Length);
j++;
previousLayer.Insert(j, partAfter);
}
return(j);
}
public void SplitAt_SameEndIndexPostSplitTest()
{
var instance = new VNode("a", "", 18, 41);
instance.VOffsets.Add(new VTextOffset {
Index = 18, Delta = -41
});
var nextPart = instance.SplitAt(19);
Assert.AreEqual("a", instance.Tag);
Assert.AreEqual("", instance.Text);
Assert.AreEqual(18, instance.Index);
Assert.AreEqual(1, instance.Length);
Assert.AreEqual(1, instance.VOffsets.Count);
Assert.AreEqual(18, instance.VOffsets.Single().Index);
Assert.AreEqual(-1, instance.VOffsets.Single().Delta);
Assert.AreEqual("a", nextPart.Tag);
Assert.AreEqual("", nextPart.Text);
Assert.AreEqual(19, nextPart.Index);
Assert.AreEqual(40, nextPart.Length);
Assert.AreEqual(1, nextPart.VOffsets.Count);
Assert.AreEqual(19, nextPart.VOffsets.Single().Index);
Assert.AreEqual(-40, nextPart.VOffsets.Single().Delta);
}
public void SplitAt_NegativeVOffsetMiddleWithTextTest()
{
var instance = new VNode("a", "1234", 45, 31);
instance.VOffsets.Add(new VTextOffset {
Index = 45, Delta = 4
});
instance.VOffsets.Add(new VTextOffset {
Index = 45, Delta = -31
});
var nextPart = instance.SplitAt(61);
Assert.AreEqual("a", instance.Tag);
Assert.AreEqual("1234", instance.Text);
Assert.AreEqual(45, instance.Index);
Assert.AreEqual(16, instance.Length);
Assert.AreEqual(2, instance.VOffsets.Count);
Assert.AreEqual(45, instance.VOffsets.First().Index);
Assert.AreEqual(4, instance.VOffsets.First().Delta);
Assert.AreEqual(45, instance.VOffsets.Last().Index);
Assert.AreEqual(-16, instance.VOffsets.Last().Delta);
Assert.AreEqual("a", nextPart.Tag);
Assert.AreEqual("", nextPart.Text);
Assert.AreEqual(61, nextPart.Index);
Assert.AreEqual(15, nextPart.Length);
Assert.AreEqual(1, nextPart.VOffsets.Count);
Assert.AreEqual(61, nextPart.VOffsets.First().Index);
Assert.AreEqual(-15, nextPart.VOffsets.First().Delta);
}
public void SplitAt_NegativeVOffsetMiddleTest()
{
var instance = new VNode("a", "", 0, 6);
instance.VOffsets.Add(new VTextOffset {
Index = 0, Delta = -6
});
var nextPart = instance.SplitAt(3);
Assert.AreEqual("a", instance.Tag);
Assert.AreEqual("", instance.Text);
Assert.AreEqual(0, instance.Index);
Assert.AreEqual(3, instance.Length);
Assert.AreEqual(1, instance.VOffsets.Count);
Assert.AreEqual(0, instance.VOffsets.Single().Index);
Assert.AreEqual(-3, instance.VOffsets.Single().Delta);
Assert.AreEqual("a", nextPart.Tag);
Assert.AreEqual("", nextPart.Text);
Assert.AreEqual(3, nextPart.Index);
Assert.AreEqual(3, nextPart.Length);
Assert.AreEqual(1, nextPart.VOffsets.Count);
Assert.AreEqual(3, nextPart.VOffsets.Single().Index);
Assert.AreEqual(-3, nextPart.VOffsets.Single().Delta);
}
public void SplitAt_PositiveVOffsetStartTest()
{
var instance = new VNode("a", "xx0123456789", 5, 10);
instance.VOffsets.Add(new VTextOffset {
Index = 5, Delta = 2
});
var nextPart = instance.SplitAt(10);
Assert.AreEqual("a", instance.Tag);
Assert.AreEqual("xx01234", instance.Text);
Assert.AreEqual(5, instance.Index);
Assert.AreEqual(5, instance.Length);
Assert.AreEqual(1, instance.VOffsets.Count);
Assert.AreEqual("a", nextPart.Tag);
Assert.AreEqual("56789", nextPart.Text);
Assert.AreEqual(10, nextPart.Index);
Assert.AreEqual(5, nextPart.Length);
Assert.AreEqual(0, nextPart.VOffsets.Count);
}
public void SplitAt_NegativeVOffsetEndTest()
{
var instance = new VNode("a", "0123456789", 5, 12);
instance.VOffsets.Add(new VTextOffset {
Index = 13, Delta = -2
});
var nextPart = instance.SplitAt(10);
Assert.AreEqual("a", instance.Tag);
Assert.AreEqual("01234", instance.Text);
Assert.AreEqual(5, instance.Index);
Assert.AreEqual(5, instance.Length);
Assert.AreEqual(0, instance.VOffsets.Count);
Assert.AreEqual("a", nextPart.Tag);
Assert.AreEqual("56789", nextPart.Text);
Assert.AreEqual(10, nextPart.Index);
Assert.AreEqual(7, nextPart.Length);
Assert.AreEqual(1, nextPart.VOffsets.Count);
}
public void SplitAt_NegativeVOffsetSecondEmptyTest()
{
var instance = new VNode("a", "01234", 0, 10);
instance.VOffsets.Add(new VTextOffset {
Index = 5, Delta = -5
});
var nextPart = instance.SplitAt(5);
Assert.AreEqual("a", instance.Tag);
Assert.AreEqual("01234", instance.Text);
Assert.AreEqual(0, instance.Index);
Assert.AreEqual(5, instance.Length);
Assert.AreEqual(0, instance.VOffsets.Count);
Assert.AreEqual("a", nextPart.Tag);
Assert.AreEqual("", nextPart.Text);
Assert.AreEqual(5, nextPart.Index);
Assert.AreEqual(5, nextPart.Length);
Assert.AreEqual(1, nextPart.VOffsets.Count);
}
public void SplitAt_Test()
{
var instance = new VNode("a", "0123456789", 5, 10);
instance.SetAttribute("a", "1");
instance.SetAttribute("b", "2");
var nextPart = instance.SplitAt(10);
Assert.AreEqual("a", instance.Tag);
Assert.AreEqual("01234", instance.Text);
Assert.AreEqual(5, instance.Index);
Assert.AreEqual(5, instance.Length);
Assert.AreEqual("1", instance.Attributes["a"]);
Assert.AreEqual("2", instance.Attributes["b"]);
Assert.AreEqual("a", nextPart.Tag);
Assert.AreEqual("56789", nextPart.Text);
Assert.AreEqual(10, nextPart.Index);
Assert.AreEqual(5, nextPart.Length);
Assert.AreEqual("1", nextPart.Attributes["a"]);
Assert.AreEqual("2", nextPart.Attributes["b"]);
}
