/// <summary>
/// Gets the selector.
/// </summary>
/// <param name="scoreSource">The score source.</param>
/// <returns></returns>
public static Func <DocumentSimilarityResultPair, double> GetSelector(this DocumentSimilarityScoreEnum scoreSource)
{
Func <DocumentSimilarityResultPair, double> scoreSelector = null;
switch (scoreSource)
{
case DocumentSimilarityScoreEnum.combined:
scoreSelector = new Func <DocumentSimilarityResultPair, double>(x => x.OverallSimilarity);
break;
case DocumentSimilarityScoreEnum.content:
scoreSelector = new Func <DocumentSimilarityResultPair, double>(x => x.ContentSimilarity);
break;
case DocumentSimilarityScoreEnum.higherComponent:
scoreSelector = new Func <DocumentSimilarityResultPair, double>(x => Math.Max(x.ContentSimilarity, x.StructureSimilarity));
break;
default:
case DocumentSimilarityScoreEnum.structure:
scoreSelector = new Func <DocumentSimilarityResultPair, double>(x => x.StructureSimilarity);
break;
break;
}
return(scoreSelector);
}
/// <summary>
/// Gets the selector.
/// </summary>
/// <param name="scoreSource">The score source.</param>
/// <returns></returns>
public static List <Func <DocumentSimilarityResultPair, double> > GetSelectorList(this DocumentSimilarityScoreEnum scoreSource)
{
List <Func <DocumentSimilarityResultPair, double> > scoreSelectors = new List <Func <DocumentSimilarityResultPair, double> >();
switch (scoreSource)
{
case DocumentSimilarityScoreEnum.searchBestFit:
scoreSelectors.Add(DocumentSimilarityScoreEnum.structure.GetSelector());
scoreSelectors.Add(DocumentSimilarityScoreEnum.higherComponent.GetSelector());
scoreSelectors.Add(DocumentSimilarityScoreEnum.combined.GetSelector());
scoreSelectors.Add(DocumentSimilarityScoreEnum.content.GetSelector());
break;
default:
scoreSelectors.Add(scoreSource.GetSelector());
break;
}
return(scoreSelectors);
}
public DataTable PublishDataTable(Dictionary <HtmlNode, HtmlSourceAndUrl> documentNodeDictionary, DocumentSimilarityScoreEnum scoreSource, List <HtmlNode> reportOn = null)
{
if (reportOn == null)
{
reportOn = GetDocuments();
}
String tablename = scoreSource.ToString();
Func <DocumentSimilarityResultPair, Double> scoreFunction = scoreSource.GetSelector();
DataTable table = new DataTable(tablename);
var DocumentByLabel = GetLabeledDocuments();
var LabelByDocument = GetLabelsByDocument();
List <DocumentSimilarityResultPair> selected = new List <DocumentSimilarityResultPair>();
Dictionary <HtmlNode, Dictionary <HtmlNode, DocumentSimilarityResultPair> > matrix = new Dictionary <HtmlNode, Dictionary <HtmlNode, DocumentSimilarityResultPair> >();
foreach (HtmlNode node in reportOn)
{
var results = GetResultsFor(node);
matrix.Add(node, results);
}
Dictionary <String, DataColumn> ColumnsByLabel = new Dictionary <string, DataColumn>();
DataColumn labelColumn = table.Columns.Add("Label");
foreach (var pair in matrix)
{
var cn = table.Columns.Add(LabelByDocument[pair.Key], typeof(Double));
var source = documentNodeDictionary[pair.Key];
cn.SetFormat("F3");
cn.SetDesc("Similarity score with " + source.filepath);
ColumnsByLabel.Add(LabelByDocument[pair.Key], cn);
}
DataColumn UrlColumn = table.Columns.Add("Url");
DataColumn sourceColumn = table.Columns.Add("Filepath");
foreach (var pair in matrix)
{
DataRow dr = table.NewRow();
var source = documentNodeDictionary[pair.Key];
dr[labelColumn] = LabelByDocument[pair.Key];
dr[sourceColumn] = source.filepath;
dr[UrlColumn] = source.url;
foreach (var subPair in pair.Value)
{
if (reportOn.Contains(subPair.Key))
{
var dc = ColumnsByLabel[LabelByDocument[subPair.Key]];
dr[dc] = scoreFunction(subPair.Value);
}
}
table.Rows.Add(dr);
}
return(table);
}
