From 1f35e2120e3b0c534defe16c61687bfc94d12665 Mon Sep 17 00:00:00 2001
From: Albert S <mail@quitesimple.org>
Date: Tue, 4 Jan 2022 11:07:59 +0100
Subject: [PATCH] LooqsQuery::build(): Ensure values are non-empty and ignore
 empty lone words

---
 shared/looqsquery.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/shared/looqsquery.cpp b/shared/looqsquery.cpp
index 6cb4567..5416da8 100644
--- a/shared/looqsquery.cpp
+++ b/shared/looqsquery.cpp
@@ -251,6 +251,10 @@ LooqsQuery LooqsQuery::build(QString expression, TokenType loneWordsTokenType, b
 			{
 				value = m.captured("args");
 			}
+			if(value == "")
+			{
+				throw LooqsGeneralException("value cannot be empty for filters");
+			}
 
 			if(filtername == "path.contains")
 			{
@@ -301,7 +305,11 @@ LooqsQuery LooqsQuery::build(QString expression, TokenType loneWordsTokenType, b
 
 	if(mergeLoneWords)
 	{
-		result.addToken(Token(loneWordsTokenType, loneWords.join(' ')));
+		QString mergedLoneWords = loneWords.join(' ');
+		if(!mergedLoneWords.isEmpty())
+		{
+			result.addToken(Token(loneWordsTokenType, mergedLoneWords));
+		}
 	}
 
 	bool contentsearch = (result.getTokensMask() & FILTER_CONTENT) == FILTER_CONTENT;