added: TextStream a class similar to std::ostringstream

but with a Clear() method
       the dynamic allocated buffer can be easily reused
added: DbTextStream a special version of a stream
       used to create a database string query
       everything is escaped by default
added: DbBase a base class with some basic methods for communicating
       with the database
added: DbConn a class for managing connection to the database
changed: some refactoring in Db class       



git-svn-id: svn://ttmath.org/publicrep/winix/trunk@655 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/app.cpp

@@ -21,6 +21,8 @@ App::App()
 	stdout_is_closed = false;
 	last_sessions_save = time(0);
 
+	db.SetConn(db_conn);
+
 	plugin.SetDb(&db);
 	plugin.SetConfig(&config);
 	plugin.SetRequest(&request);
@@ -131,8 +133,9 @@ return true;
 
 bool App::Init()
 {
-	db.Init(config.db_database, config.db_user, config.db_pass);
-	db.WaitForConnection();
+	db_conn.SetConnParam(config.db_database, config.db_user, config.db_pass);
+	db_conn.WaitForConnection();
+	db.LogQueries(config.log_db_query);
 
 	if( !CreateFCGISocket() )
 		return false;