public void Segment(SegmentMarker marker, MessageSegmentType originalType, string text)
{
if (originalType != MessageSegmentType.Undefined)
{
return; //already defined
}
if (_lastSegmentClosed)
{
marker.NewMark(originalType, 0, 0); //start mark, needs to be removed if no other mark is found
}
else
{
marker.NewMark(Format.Type, 0, 0); //this should not be deleted, even if no more marks are found
}
var match = !_lastSegmentClosed;
for (var i = 0; i < text.Length; ++i)
{
if (match)
{
var tokenLength = MatchesToken(text, i, Format.EndTokens);
if (0 < tokenLength)
{ // closing marker found
match = false;
marker.Mark.End = i + tokenLength;
marker.NewMark(originalType, i + tokenLength, i + tokenLength);
i = i + tokenLength - 1;
}
}
else
{
var tokenLength = MatchesToken(text, i, Format.StartTokens);
if (0 < tokenLength)
{ // opening marker found
match = true;
marker.Mark.End = i;
marker.NewMark(Format.Type, i, i + tokenLength);
i = i + tokenLength - 1;
}
}
}
marker.Mark.End = text.Length;
if (_lastSegmentClosed)
{
if (marker.Count == 1) //no matches found, clear all marks and continue
{
marker.Clear();
}
}
_lastSegmentClosed = !match;
}
public void Segment(SegmentMarker marker, MessageSegmentType currentType, string text)
{
var matches = new List <(int Start, int End)>();
foreach (var pattern in Pattern)
{
var match = pattern.Match(text);
while (match.Success)
{
matches.Add((match.Index, match.Index + match.Length));
match = match.NextMatch();
}
}
matches.Sort((a, b) => a.Start - b.Start);
for (var i = 1; i < matches.Count;)
{
var previous = matches[i - 1];
var current = matches[i];
if (current.Start <= previous.End)
{
previous.End = System.Math.Max(previous.End, current.End);
matches.RemoveAt(i);
}
else
{
i += 1;
}
}
marker.NewMark(currentType, 0);
foreach (var match in matches)
{
marker.Mark.End = match.Start;
marker.NewMark(SegmentType, match.Start, match.End);
marker.NewMark(currentType, match.End);
}
marker.Mark.End = text.Length;
}
public MessageSegment(MessageSegmentType type, string message)
{
this.Type = type;
this.Text = message;
}
