public SegmentedDocument Deserialise(string input)
{
var segments = new List <DocumentSegment>();
string outputString = "";
int lastMatchPosition = 0;
int charactersAdded = 0;
var doc = new SegmentedDocument(new TextDocument());
foreach (Match match in segmentRegex.Matches(input))
{
outputString += input.Substring(lastMatchPosition, match.Index - lastMatchPosition);
string className = match.Groups["class"].Value.ToLower();
if (!constructorDictionary.ContainsKey(className))
{
outputString += match.Value;
lastMatchPosition = match.Index + match.Length;
continue;
}
DocumentSegment segment = constructorDictionary[className](match.Index + charactersAdded, match.Groups["text"].Value);
charactersAdded += segment.Text.Length - match.Length;
segments.Add(segment);
outputString += segment.Text;
lastMatchPosition = match.Index + match.Length;
}
outputString += input.Substring(lastMatchPosition);
doc.Load(outputString, segments);
return(doc);
}
protected virtual DocumentSegment Clone(DocumentSegment segment)
{
segment.EndOffset = EndOffset;
segment.StartOffset = StartOffset;
segment.Length = Length;
segment.Text = Text;
return(segment);
}
public void Replace(ref int offset, ref int replacementLength, SegmentedDocument text)
{
InAutomaticChange = true;
var affectedSegments = new ReadOnlyCollection <DocumentSegment>(new List <DocumentSegment>());
affectedSegments = Segments.FindOverlappingSegments(offset, replacementLength);
string textString = text.Text;
Replace(affectedSegments, ref offset, ref replacementLength, ref textString);
foreach (DocumentSegment segment in text.Segments)
{
DocumentSegment newsegment = segment.Clone();
newsegment.StartOffset = newsegment.StartOffset + offset;
newsegment.EndOffset = newsegment.StartOffset + newsegment.Length;
Segments.Add(newsegment);
}
InAutomaticChange = false;
lastChange = null;
}