Diff: api/InstancePointerTable.h

Revision:

0:b438482ebbfc

Child:

2:853f9ecc12df

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/api/InstancePointerTable.h	Tue Jan 27 22:23:51 2015 +0000
@@ -0,0 +1,91 @@
+/**
+ * @file    InstancePointerTable.h
+ * @brief   instance pointer table header
+ * @author  Doug Anson/Chris Paola
+ * @version 1.0
+ * @see     
+ *
+ * Copyright (c) 2014
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+ #ifndef __INSTANCE_POINTER_TABLE_H__
+ #define __INSTANCE_POINTER_TABLE_H__
+ 
+ // Logger support
+ #include "Logger.h"
+ 
+ // string support
+ #include <string>
+ 
+ // Configuration
+ #include "mbedConnectorInterface.h"
+   
+ // our table row structure
+ typedef struct {
+        string  key;
+        void   *instance;
+ } InstancePointerTableRow;
+  
+ class InstancePointerTable {
+     public:
+        /**
+        Default constructor
+        @param logger input the logger instance
+        */
+        InstancePointerTable(const Logger *logger = NULL);
+        
+        /**
+        Destructor
+        */
+        virtual ~InstancePointerTable();
+        
+        /** 
+        Add pointer to the instance table
+        @param key input the key for the new pointer
+        @param instance input the instance pointer to save
+        */
+        void add(string key,void *instance);
+        
+        /**
+        Get a instance pointer index by the name of the key
+        @param key input the key to use for the lookup
+        @returns the instance pointer if found or NULL if not found
+        */
+        void *get(string key);
+        
+        /**
+        Set the Logger instance
+        @param logger input the logger instance
+        */
+        void setLogger(const Logger *logger);
+        
+    private:
+        Logger                 *m_logger;
+        InstancePointerTableRow m_instance_pointer_table[IPT_MAX_ENTRIES];
+        
+        // initialize our table
+        void init();
+        
+        // get the next empty slot
+        int nextEmptySlot();
+        
+        // index from key
+        int indexFromKey(string key);
+        
+        // get our logger
+        Logger *logger();
+ };
+ 
+ #endif // __INSTANCE_POINTER_TABLE_H__
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