Diff: api/types/LogFunc.h

Revision:

29:b6af04b77a56

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/api/types/LogFunc.h	Mon Oct 27 13:42:26 2014 -0700
@@ -0,0 +1,100 @@
+/**
+ * ACKme WiConnect Host Library is licensed under the BSD licence: 
+ * 
+ * Copyright (c)2014 ACKme Networks.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met: 
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, 
+ * this list of conditions and the following disclaimer. 
+ * 2. Redistributions in binary form must reproduce the above copyright notice, 
+ * this list of conditions and the following disclaimer in the documentation 
+ * and/or other materials provided with the distribution. 
+ * 3. The name of the author may not be used to endorse or promote products 
+ * derived from this software without specific prior written permission. 
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ */
+#pragma once
+
+#include "api/WiconnectTypes.h"
+#include "FunctionPointer.h"
+
+namespace wiconnect
+{
+
+typedef int (*_LogFunc)(const char *str);
+
+
+/**
+ * @ingroup api_core_types
+ *
+ * @brief Logging callback function.
+ */
+class LogFunc : public FunctionPointer
+{
+public:
+    /*************************************************************************************************/
+    LogFunc(_LogFunc func = 0)
+    {
+        _function = (void*)func;
+        _membercaller = NULL;
+        _object = NULL;
+    }
+
+    /*************************************************************************************************/
+    template<typename T>
+    LogFunc(T *object, WiconnectResult (T::*member)(const char *str))
+    {
+        _object = static_cast<void*>(object);
+        memcpy(_member, (char*)&member, sizeof(member));
+        _membercaller = (void*)&LogFunc::membercaller<T>;
+        _function = 0;
+    }
+
+    /*************************************************************************************************/
+    int call(const char *str)
+    {
+        if (_function)
+        {
+            return ((_LogFunc)_function)(str);
+        }
+        else if (_object)
+        {
+            typedef int (*membercallerFunc)(void*, char*, const char *str);
+            return ((membercallerFunc)_membercaller)(_object, _member, str);
+        }
+        else
+        {
+            return -1;
+        }
+    }
+
+private:
+
+    /*************************************************************************************************/
+    template<typename T>
+    static int membercaller(void *object, char *member, const char *str)
+    {
+        T* o = static_cast<T*>(object);
+        int (T::*m)(const char *str);
+        memcpy((char*)&m, member, sizeof(m));
+        return (o->*m)(str);
+    }
+};
+
+
+
+
+}