public LineBreakElement[] FindLineBreaks(string text, int length, CultureInfo ci)
{
LineBreakElement[] lbElements = null;
if (text != null)
{
List<LineBreakElement> elements = new List<LineBreakElement>();
LineBreakEventHandler LineBreakFoundInternal = (object sender, LineBreakEventArgs e) =>
{
elements.Add(new LineBreakElement(e.Position, e.Condition));
};
LineBreakFound += LineBreakFoundInternal;
FindLineBreaksInternal(text, length, ci);
LineBreakFound = null;
lbElements = new LineBreakElement[elements.Count];
elements.CopyTo(lbElements, 0);
}
return lbElements;
}
public LineBreakElement[] FindLineBreaks(string text, int length, string[] breakStrings, byte[] wrapCodes = null)
{
LineBreakElement[] lbElements = null;
if (text != null)
{
if (length < 0 || length > text.Length)
throw new ArgumentOutOfRangeException("length");
List<LineBreakElement> elements = new List<LineBreakElement>();
for (int i = 0; i < length; i++)
{
LineBreakElement lbElem = new LineBreakElement(i, LineBreakCondition.Prohibited);
elements.Add(lbElem);
}
if (breakStrings != null && breakStrings.Length > 0)
{
bool bWrap = (wrapCodes != null);
for (int i = 0; i < breakStrings.Length; i++)
{
string strBreak = breakStrings[i];
if (strBreak == null)
continue;
int breakLength = strBreak.Length;
int posBreak = 0;
while (posBreak >= 0 && posBreak < length)
{
int pos = text.IndexOf(strBreak, posBreak);
if (pos >= 0 && pos <= length)
{
int idx = 0;
if (bWrap)
{
if (wrapCodes[i] == 1)
idx = pos + breakLength - 1;
else
idx = pos - 1;
}
else
{
idx = pos + breakLength - 1;
}
if (idx >= 0 && idx < length)
{
LineBreakElement lbElem = elements[idx];
lbElem.Condition = LineBreakCondition.Allowed;
elements[idx] = lbElem;
}
}
else
break;
posBreak = pos + breakLength;
}
}
}
LineBreakElement lbe = elements[elements.Count - 1];
lbe.Condition = LineBreakCondition.Mandatory;
elements[elements.Count - 1] = lbe;
lbElements = new LineBreakElement[elements.Count];
elements.CopyTo(lbElements, 0);
}
return lbElements;
}