robojerk/Libation
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Move source code into "Source" folder

Browse source
This commit is contained in:
Robert McRackan 2022-05-09 10:31:45 -04:00
parent 1ee73fa1a7
commit 389fbb2371
287 changed files with 26 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

43
Source/LibationSearchEngine/LuceneExtensions.cs Normal file
View file

@ -0,0 +1,43 @@
using System;
using System.Collections.Generic;
using System.Linq;
using Lucene.Net.Analysis;
using Lucene.Net.Documents;
using Lucene.Net.QueryParsers;
using Lucene.Net.Search;
namespace LibationSearchEngine
{
// field names are case specific and, due to StandardAnalyzer, content is case INspecific
internal static class LuceneExtensions
{
internal static void AddRaw(this Document document, string name, string value)
=> document.Add(new Field(name, value, Field.Store.YES, Field.Index.NOT_ANALYZED));
internal static void AddAnalyzed(this Document document, string name, string value)
{
if (value is not null)
document.Add(new Field(name.ToLowerInvariant(), value, Field.Store.YES, Field.Index.ANALYZED));
}
internal static void AddNotAnalyzed(this Document document, string name, string value)
=> document.Add(new Field(name.ToLowerInvariant(), value, Field.Store.YES, Field.Index.NOT_ANALYZED));
internal static void AddBool(this Document document, string name, bool value)
=> document.Add(new Field(name.ToLowerInvariant(), value.ToString(), Field.Store.YES, Field.Index.ANALYZED_NO_NORMS));
internal static Query GetQuery(this Analyzer analyzer, string defaultField, string searchString)
=> new QueryParser(SearchEngine.Version, defaultField.ToLowerInvariant(), analyzer).Parse(searchString);
// put all numbers, including dates, into this format:
// ########.##
internal const int PAD_DIGITS = 8;
internal const string DECIMAL_PRECISION = ".00";
internal static string ToLuceneString(this int i) => ((double)i).ToLuceneString();
internal static string ToLuceneString(this float f) => ((double)f).ToLuceneString();
internal static string ToLuceneString(this DateTime dt)
=> dt.ToString("yyyyMMdd") + DECIMAL_PRECISION;
internal static string ToLuceneString(this double d)
=> d.ToString("0" + DECIMAL_PRECISION).PadLeft(PAD_DIGITS + DECIMAL_PRECISION.Length, '0');
}
}