public static LucQuery Create(NodeQuery nodeQuery)
{
NodeQueryParameter[] parameters;
var result = new LucQuery();
result.TraceInfo.BeginCrossCompilingTime();
SortField[] sortFields;
string oldQueryText;
try
{
var compiler = new SnLucCompiler();
var compiledQueryText = compiler.Compile(nodeQuery, out parameters);
sortFields = (from order in nodeQuery.Orders
select new SortField(
GetFieldNameByPropertyName(order.PropertyName),
GetSortType(order.PropertyName), //SortField.STRING,
order.Direction == OrderDirection.Desc)).ToArray();
oldQueryText = compiler.CompiledQuery.ToString();
oldQueryText = oldQueryText.Replace("[*", "[ ").Replace("*]", " ]").Replace("{*", "{ ").Replace("*}", " }");
result.TraceInfo.InputText = oldQueryText;
}
finally
{
result.TraceInfo.FinishCrossCompilingTime();
}
result.TraceInfo.BeginParsingTime();
Query newQuery;
try
{
newQuery = new SnLucParser().Parse(oldQueryText);
}
finally
{
result.TraceInfo.FinishParsingTime();
}
result.Query = newQuery; // compiler.CompiledQuery,
result.User = nodeQuery.User;
result.SortFields = sortFields;
result.StartIndex = nodeQuery.Skip;
result.PageSize = nodeQuery.PageSize;
result.Top = nodeQuery.Top;
result.EnableAutofilters = false;
result.EnableLifespanFilter = false;
return result;
}
public static LucQuery Parse(string luceneQueryText)
{
var result = new LucQuery();
result.TraceInfo.InputText = luceneQueryText;
result.TraceInfo.BeginParsingTime();
var parser = new SnLucParser();
Query query;
try
{
var replacedText = LucQueryTemplateReplacer.ReplaceTemplates(luceneQueryText);
query = parser.Parse(replacedText);
}
finally
{
result.TraceInfo.FinishParsingTime();
}
//Run EmptyTermVisitor if the parser created empty query term.
if (parser.ParseEmptyQuery)
{
var visitor = new EmptyTermVisitor();
result.Query = visitor.Visit(query);
}
else
{
result.Query = query;
}
var sortFields = new List<SortField>();
foreach (var control in parser.Controls)
{
switch (control.Name)
{
case SnLucLexer.Keywords.Select:
result.Projection = control.Value;
break;
case SnLucLexer.Keywords.Top:
result.Top = Convert.ToInt32(control.Value);
break;
case SnLucLexer.Keywords.Skip:
result.Skip = Convert.ToInt32(control.Value);
break;
case SnLucLexer.Keywords.Sort:
sortFields.Add(CreateSortField(control.Value, false));
break;
case SnLucLexer.Keywords.ReverseSort:
sortFields.Add(CreateSortField(control.Value, true));
break;
case SnLucLexer.Keywords.Autofilters:
result.EnableAutofilters = control.Value == SnLucLexer.Keywords.On;
break;
case SnLucLexer.Keywords.Lifespan:
result.EnableLifespanFilter = control.Value == SnLucLexer.Keywords.On;
break;
case SnLucLexer.Keywords.CountOnly:
result.CountOnly = true;
break;
}
}
result.SortFields = sortFields.ToArray();
return result;
}
