public static Query Parse(string inputQuery, bool rawLuceneQuery)
{
if (string.IsNullOrWhiteSpace(inputQuery))
{
return(new MatchAllDocsQuery());
}
if (rawLuceneQuery)
{
return(CreateRawQuery(inputQuery));
}
// Transform the query for Lucene parsing
inputQuery = TransformQuery(inputQuery);
// Parse the query our query parser
PackageQueryParser parser = new PackageQueryParser(Lucene.Net.Util.Version.LUCENE_30, DefaultTermName, new PackageAnalyzer());
Query query = parser.Parse(inputQuery);
// Process the query into clauses
List <BooleanClause> clausesCollector = new List <BooleanClause>();
string nugetQuery = ExtractLuceneClauses(query, inputQuery, clausesCollector);
// Rewrite Id clauses into "TokenizedId, ShingledId, Id" booleans
IEnumerable <BooleanClause> luceneClauses = clausesCollector.Select(RewriteClauses(parser));
// Now, take the nuget query, if there is one, and process it
Query nugetParsedQuery = ParseNuGetQuery(nugetQuery);
// Build the lucene clauses query
BooleanQuery luceneQuery = BuildBooleanQuery(luceneClauses);
// Build the final query
return(Combine(nugetParsedQuery, luceneQuery));
}
private static Query ParseNuGetQuery(string nugetQuery)
{
Query nugetParsedQuery = null;
if (!String.IsNullOrEmpty(nugetQuery))
{
// Process the query
StringBuilder luceneQuery = new StringBuilder();
CreateFieldClause(luceneQuery, "Id", nugetQuery);
CreateFieldClause(luceneQuery, "Version", nugetQuery);
CreateFieldClause(luceneQuery, "TokenizedId", nugetQuery);
CreateFieldClauseAND(luceneQuery, "TokenizedId", nugetQuery, 4);
CreateFieldClause(luceneQuery, "ShingledId", nugetQuery);
CreateFieldClause(luceneQuery, "Title", nugetQuery, 2);
CreateFieldClauseAND(luceneQuery, "Title", nugetQuery, 4);
CreateFieldClause(luceneQuery, "Tags", nugetQuery);
CreateFieldClause(luceneQuery, "Description", nugetQuery);
CreateFieldClause(luceneQuery, "Summary", nugetQuery);
CreateFieldClause(luceneQuery, "Authors", nugetQuery);
CreateFieldClause(luceneQuery, "Owners", nugetQuery);
PackageQueryParser parser = new PackageQueryParser(Lucene.Net.Util.Version.LUCENE_30, "Title", new PackageAnalyzer());
nugetParsedQuery = parser.Parse(luceneQuery.ToString());
}
return(nugetParsedQuery);
}
public static Query Parse(string inputQuery, bool rawLuceneQuery)
{
if (string.IsNullOrWhiteSpace(inputQuery))
{
return new MatchAllDocsQuery();
}
if (rawLuceneQuery)
{
return CreateRawQuery(inputQuery);
}
// Transform the query for Lucene parsing
inputQuery = TransformQuery(inputQuery);
// Parse the query our query parser
PackageQueryParser parser = new PackageQueryParser(Lucene.Net.Util.Version.LUCENE_30, DefaultTermName, new PackageAnalyzer());
Query query = parser.Parse(inputQuery);
// Process the query into clauses
List<BooleanClause> clausesCollector = new List<BooleanClause>();
string nugetQuery = ExtractLuceneClauses(query, inputQuery, clausesCollector);
// Rewrite Id clauses into "TokenizedId, ShingledId, Id" booleans
IEnumerable<BooleanClause> luceneClauses = clausesCollector.Select(RewriteClauses(parser));
// Now, take the nuget query, if there is one, and process it
Query nugetParsedQuery = ParseNuGetQuery(nugetQuery);
// Build the lucene clauses query
BooleanQuery luceneQuery = BuildBooleanQuery(luceneClauses);
// Build the final query
return Combine(nugetParsedQuery, luceneQuery);
}
public static Query CreateRawQuery(string q)
{
if (String.IsNullOrEmpty(q))
{
return(null);
}
QueryParser parser = new PackageQueryParser(Lucene.Net.Util.Version.LUCENE_30, "Title", new PackageAnalyzer());
Query query = parser.Parse(q);
return(query);
}
private static Query ParseNuGetQuery(string nugetQuery)
{
Query nugetParsedQuery = null;
if (!String.IsNullOrEmpty(nugetQuery))
{
// Process the query
StringBuilder luceneQuery = new StringBuilder();
CreateFieldClause(luceneQuery, "Id", nugetQuery);
CreateFieldClause(luceneQuery, "Version", nugetQuery);
CreateFieldClause(luceneQuery, "TokenizedId", nugetQuery);
CreateFieldClauseAND(luceneQuery, "TokenizedId", nugetQuery, 4);
CreateFieldClause(luceneQuery, "ShingledId", nugetQuery);
CreateFieldClause(luceneQuery, "Title", nugetQuery, 2);
CreateFieldClauseAND(luceneQuery, "Title", nugetQuery, 4);
CreateFieldClause(luceneQuery, "Tags", nugetQuery);
CreateFieldClause(luceneQuery, "Description", nugetQuery);
CreateFieldClause(luceneQuery, "Summary", nugetQuery);
CreateFieldClause(luceneQuery, "Authors", nugetQuery);
CreateFieldClause(luceneQuery, "Owners", nugetQuery);
PackageQueryParser parser = new PackageQueryParser(Lucene.Net.Util.Version.LUCENE_30, "Title", new PackageAnalyzer());
nugetParsedQuery = parser.Parse(luceneQuery.ToString());
}
return nugetParsedQuery;
}
public static Query CreateRawQuery(string q)
{
if (String.IsNullOrEmpty(q))
{
return null;
}
QueryParser parser = new PackageQueryParser(Lucene.Net.Util.Version.LUCENE_30, "Title", new PackageAnalyzer());
Query query = parser.Parse(q);
return query;
}