private TextPosition GetWordEndPosition(
LineInfo currentLine,
ITextBlock currentBlock)
{
TextBoxViewElement viewElement = this.textBoxElement.ViewElement;
bool flag1 = TextBoxWrapPanel.IsTabOrWhitespace(currentBlock.Text);
bool flag2 = false;
ITextBlock child;
for (; currentBlock.Index < viewElement.Children.Count - 1; currentBlock = child)
{
child = viewElement.Children[currentBlock.Index + 1] as ITextBlock;
bool flag3 = TextBoxWrapPanel.IsTabOrWhitespace(child.Text);
bool flag4 = TextBoxWrapPanel.IsCarriageReturn(child.Text);
bool flag5 = TextBoxWrapPanel.IsLineFeed(child.Text);
if (!flag4 && !flag5)
{
if (flag1)
{
if (!flag3)
{
break;
}
}
else if (!flag2 || flag3)
{
if (!flag2)
{
flag2 = flag3;
}
}
else
{
break;
}
}
else
{
break;
}
}
currentLine = viewElement.Lines.BinarySearchByBlockIndex(currentBlock.Index);
return(new TextPosition(currentLine, currentBlock, currentBlock.Length));
}
protected virtual bool AreSplittedBlock(ITextBlock firstBlock, ITextBlock secondBlock)
{
if (firstBlock == secondBlock || firstBlock == null || secondBlock == null)
{
return(false);
}
string text1 = firstBlock.Text;
string text2 = secondBlock.Text;
return(!TextBoxWrapPanel.IsLineFeed(text1) && !TextBoxWrapPanel.IsLineFeed(text2) && (!TextBoxWrapPanel.IsCarriageReturn(text1) && !TextBoxWrapPanel.IsCarriageReturn(text2)) && (!TextBoxWrapPanel.IsTabOrWhitespace(text1) && !TextBoxWrapPanel.IsTabOrWhitespace(text2)));
}