// Token: 0x06003DA7 RID: 15783 RVA: 0x0011C4CC File Offset: 0x0011A6CC
internal static void RemoveText(TextTreeRootTextBlock rootTextBlock, int offset, int count)
{
if (count == 0)
{
return;
}
int num;
TextTreeTextBlock textTreeTextBlock = TextTreeText.FindBlock(rootTextBlock, offset, out num);
if (textTreeTextBlock.Count == num)
{
textTreeTextBlock = (TextTreeTextBlock)textTreeTextBlock.GetNextNode();
Invariant.Assert(textTreeTextBlock != null);
num = 0;
}
int num2;
TextTreeTextBlock textTreeTextBlock2 = TextTreeText.FindBlock(rootTextBlock, offset + count, out num2);
int num3;
SplayTreeNode splayTreeNode;
if (num > 0 || count < textTreeTextBlock.Count)
{
num3 = Math.Min(count, textTreeTextBlock.Count - num);
textTreeTextBlock.RemoveText(num, num3);
splayTreeNode = textTreeTextBlock.GetNextNode();
}
else
{
num3 = 0;
splayTreeNode = textTreeTextBlock;
}
if (count > num3)
{
int num4;
SplayTreeNode splayTreeNode2;
if (num2 < textTreeTextBlock2.Count)
{
num4 = num2;
textTreeTextBlock2.RemoveText(0, num2);
splayTreeNode2 = textTreeTextBlock2.GetPreviousNode();
}
else
{
num4 = 0;
splayTreeNode2 = textTreeTextBlock2;
}
if (num3 + num4 < count)
{
TextTreeText.Remove((TextTreeTextBlock)splayTreeNode, (TextTreeTextBlock)splayTreeNode2);
}
}
}