private static SearchSegmentResult SetMatchPercentage(SearchSegmentResult searchSegmentResult, SearchSettings settings, ScoreType matchScoringType)
{
var matchAnalysis = new MatchAnalysis.MatchAnalysis();
foreach (var segment in searchSegmentResult.Segments)
{
segment.MatchPercentage = matchScoringType == ScoreType.Lookup ? matchAnalysis.GetPercentageLookUp(settings.SearchSections, segment.SourceSections, settings) : matchAnalysis.GetPercentageConcordance(settings.SearchSections, segment.SourceSections, settings);
}
return(searchSegmentResult);
}
public SearchSegmentResult SearchSegment(SearchSettings settings, ScoreType matchScoringType)
{
var searchSegmentResult = new SearchSegmentResult();
var result = GetSearchSegmentResult(settings);
if (result.Trim() != string.Empty)
{
var resultSegmentParser = new ResultSegmentParser();
searchSegmentResult = resultSegmentParser.ReadResult(result);
//apply the analysis percentage
searchSegmentResult = SetMatchPercentage(searchSegmentResult, settings, matchScoringType);
//sort on match %
searchSegmentResult.Segments.Sort((c1, c2) => c2.MatchPercentage.CompareTo(c1.MatchPercentage));
//respect the limit
var limitIndex = settings.Limit - 1;
var totalSegmentIndex = searchSegmentResult.Segments.Count - 1;
if (settings.Limit > 0 && settings.Limit < searchSegmentResult.Segments.Count)
{
searchSegmentResult.Segments.RemoveRange(limitIndex, totalSegmentIndex - limitIndex);
}
}
else
{
searchSegmentResult.Status = "timed out";
searchSegmentResult.Reason = "timed out";
}
return(searchSegmentResult);
}
internal SearchSegmentResult ReadResult(string xmlFragment)
{
var searchSegmentResult = new SearchSegmentResult();
var textReader = new XmlTextReader(xmlFragment, XmlNodeType.Element, null);
try
{
while (textReader.Read())
{
switch (textReader.NodeType)
{
case XmlNodeType.Element:
if (string.Compare(textReader.Name, "result", StringComparison.OrdinalIgnoreCase) == 0)
{
var readSubtree = textReader.ReadSubtree();
searchSegmentResult = ReadResult(readSubtree);
readSubtree.Close();
}
break;
case XmlNodeType.ProcessingInstruction:
//not required for this implementation
break;
case XmlNodeType.Comment:
//not required for this implementation
break;
case XmlNodeType.XmlDeclaration:
//not required for this implementation
break;
case XmlNodeType.Document:
//not required for this implementation
break;
case XmlNodeType.DocumentType:
//not required for this implementation
break;
case XmlNodeType.EndElement:
//not required for this implementation
break;
}
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
if (textReader.ReadState != ReadState.Closed)
{
textReader.Close();
}
}
return(searchSegmentResult);
}
private static SearchSegmentResult ReadResult(XmlReader xmlReader)
{
var searchSegmentResult = new SearchSegmentResult {
Segments = new List <Segment.Segment>()
};
while (xmlReader.Read())
{
switch (xmlReader.NodeType)
{
case XmlNodeType.Element:
if (string.Compare(xmlReader.Name, "status", StringComparison.OrdinalIgnoreCase) == 0)
{
var readSubtree = xmlReader.ReadSubtree();
searchSegmentResult.Status = ReadText(readSubtree);
readSubtree.Close();
}
else if (string.Compare(xmlReader.Name, "auth_key", StringComparison.OrdinalIgnoreCase) == 0)
{
var readSubtree = xmlReader.ReadSubtree();
searchSegmentResult.AuthKey = ReadAuthKey(readSubtree);
readSubtree.Close();
}
else if (string.Compare(xmlReader.Name, "reason", StringComparison.OrdinalIgnoreCase) == 0)
{
var readSubtree = xmlReader.ReadSubtree();
searchSegmentResult.Reason = ReadText(readSubtree);
readSubtree.Close();
}
else if (string.Compare(xmlReader.Name, "segment", StringComparison.OrdinalIgnoreCase) == 0)
{
var readSubtree = xmlReader.ReadSubtree();
var segment = ReadSegment(readSubtree);
searchSegmentResult.Segments.Add(segment);
readSubtree.Close();
}
break;
case XmlNodeType.Whitespace:
//not required for this implementation
break;
case XmlNodeType.Text:
//not required for this implementation
break;
case XmlNodeType.CDATA:
//not required for this implementation
break;
case XmlNodeType.EntityReference:
//not required for this implementation
break;
case XmlNodeType.EndElement:
//not required for this implementation
break;
}
}
return(searchSegmentResult);
}