Highlighter

Namespace

Rowles.LeanCorpus.Search.Highlighting

Assembly

Rowles.LeanCorpus.dll

Extracts text snippets from stored fields with matching terms highlighted. Query term occurrences are located directly in the text via case-insensitive substring search with word-boundary validation, avoiding the cost of full re-analysis through the standard analyser pipeline.

public sealed class Highlighter : IHighlighter

Inheritance

object

Highlighter

Implements

IHighlighter

Highlighter(string, string, IAnalyser?)

Initialises a new Highlighter with the given tags.

ExtractTerms(Query)

Extracts query terms from a query for use with GetBestFragment.

GetBestFragment(string, Query, IReadOnlyList<TermVectorEntry>?, int)

Returns the best snippet from text containing highlighted occurrences of the query terms.

GetBestFragment(string, IReadOnlySet<string>, int)

Returns the best snippet from text containing highlighted occurrences of the query terms. Returns the original text (truncated) if no matches.