搭建PVB架构，实现前端的基础布局、菜单、表格、图示等功能

libs/pvb/include/rllib/rlbussignaldatabase.h

@@ -0,0 +1,45 @@
+/***************************************************************************
+                          rlbussignaldatabase.h  -  description
+                             -------------------
+    begin                : Mon Aug 02 2002
+    copyright            : (C) 2002 by R. Lehrig
+    email                : lehrig@t-online.de
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE as        *
+ *   published by the Free Software Foundation                             *
+ *                                                                         *
+ ***************************************************************************/
+#ifndef _RL_BUSSIGNAL_DATABASE_H_
+#define _RL_BUSSIGNAL_DATABASE_H_
+
+#include "rldefine.h"
+
+class rlBussignalDatabase
+{
+  public:
+    rlBussignalDatabase();
+    virtual ~rlBussignalDatabase();
+    int openDatabase(const char *database, const char *table);
+    int writeDatabaseInt(const char *item, int val);
+    int writeDatabaseIntArray(const char *item, int *val, int len);
+    int writeDatabaseFloat(const char *item, float val);
+    int writeDatabaseFloatArray(const char *item, float *val, int len);
+    int writeDatabaseString(const char *item, char *val);
+    int readDatabase(const char *item, char *type, char *value);
+    int closeDatabase();
+  private:
+    int  writeDatabaseString(const char *item);
+    int  myquery(const char *query);
+    void *database;
+    void *connection;
+    char *databaseName;
+    char *tableName;
+    char buf[rl_PRINTF_LENGTH];
+    char typebuf[16];
+};
+
+#endif