protected void CopyAttributes(TextRun source, TextRun target)
{
target.Font = source.Font;
target.WasListNumber = source.WasListNumber;
target.RedlineCharPos = source.RedlineCharPos;
target.WasField = source.WasField;
target.RTL = source.RTL;
}
private HighlightedTextRun MakeHighlightedText(TextRun template, string p, int offset)
{
HighlightedTextRun result = new HighlightedTextRun(template, p);
result.RedlineCharPos += offset;
return result;
}
private string GrabNeededCharsAsHighlight(TextRun template, string text, int offset)
{
int grabChars = Math.Min(_charsToGrab, text.Length);
HighlightedTextRun htr = MakeHighlightedText(template, text.Substring(0, grabChars), offset);
_si.Content.Add(htr);
_charsToGrab -= grabChars;
text = text.Substring(grabChars);
if (!string.IsNullOrEmpty(text))
{
TextRun tr = template.Clone();
tr.Content = text;
_si.Content.Add(tr);
}
return text;
}
private void AddTargetObject(TextRun textRun)
{
string text = textRun.Content;
if (_location.CharOffset > 0)
{
TextRun tr = textRun.Clone() ;
tr.Content = text.Substring(0, _location.CharOffset);
_si.Content.Add(tr);
text = text.Substring(_location.CharOffset);
}
_charsToGrab = _location.Length;
text = GrabNeededCharsAsHighlight(textRun, text, _location.CharOffset);
}
private void AddFollowOnTarget(TextRun textRun)
{
GrabNeededCharsAsHighlight(textRun, textRun.Content, 0);
}
internal TextRun Clone()
{
TextRun result = new TextRun(null);
CopyAttributes(this, result);
return result;
}
private void ProcessText(TextRun textRun)
{
_location.TargetObject = textRun;
if (textRun != null && textRun.Content != null)
{
foreach (char c in textRun.Content)
{
HandleChar(c);
_location.CharOffset++;
}
}
_location.CharOffset = 0;
}
public HighlightedTextRun(TextRun template, string p) : base(null)
{
CopyAttributes(template, this);
Content = p;
}
