X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/dcfb228c9a0035d72de6c3a66f7f329e72cd960e..df15f13c628a3e15dee4bcad44e97b2cacb40b9f:/nominatim/api/search/query_analyzer_factory.py

diff --git a/nominatim/api/search/query_analyzer_factory.py b/nominatim/api/search/query_analyzer_factory.py
index 35649d0f..3666b7fc 100644
--- a/nominatim/api/search/query_analyzer_factory.py
+++ b/nominatim/api/search/query_analyzer_factory.py
@@ -19,7 +19,7 @@ if TYPE_CHECKING:
     from nominatim.api.search.query import Phrase, QueryStruct
 
 class AbstractQueryAnalyzer(ABC):
-    """ Class for analysing incomming queries.
+    """ Class for analysing incoming queries.
 
         Query analyzers are tied to the tokenizer used on import.
     """
@@ -30,6 +30,15 @@ class AbstractQueryAnalyzer(ABC):
         """
 
 
+    @abstractmethod
+    def normalize_text(self, text: str) -> str:
+        """ Bring the given text into a normalized form. That is the
+            standardized form search will work with. All information removed
+            at this stage is inevitably lost.
+        """
+
+
+
 async def make_query_analyzer(conn: SearchConnection) -> AbstractQueryAnalyzer:
     """ Create a query analyzer for the tokenizer used by the database.
     """