shared: SaveFileResult: Add OK_WASEMPTY when processor could not extract anything

shared/savefileresult.h

@@ -6,11 +6,13 @@
 enum SaveFileResult
 {
 	OK,
-	SKIPPED,
-	DBFAIL,
-	PROCESSFAIL,
-	NOTFOUND,
-	NOACCESS
+	OK_WASEMPTY, /* The file was successfully read but no content could be extracted. Might be just an empty document or
+					so*/
+	SKIPPED,	 /* The file was not processed/saved, because it has not changed */
+	DBFAIL,		 /* A database error occured */
+	PROCESSFAIL, /* General processor failure */
+	NOTFOUND,	 /* The file was not found */
+	NOACCESS	 /* The process can't read the file */
 };
 
 static inline QString SaveFileResultToString(SaveFileResult sfr)
@@ -18,6 +20,7 @@ static inline QString SaveFileResultToString(SaveFileResult sfr)
 	QStringList SaveFileResultStr;
 
 	SaveFileResultStr << "OK"
+					  << "OK_WASEMPTY"
 					  << "SKIPPED"
 					  << "DBFAIL"
 					  << "PROCESSFAIL"