Beispiel #1
0
        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;
        }
Beispiel #2
0
        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;
        }