Included UtiLite library directly in Rtabmap source (to simplify the installation)

git-svn-id: http://rtabmap.googlecode.com/svn/trunk/rtabmap@855 f169173b-cf89-36c8-b27e-44dbe73f0c83
2026-10-04 08:47:45 +08:00 · 2013-04-30 20:16:01 +00:00
parent a5df6e74ed
commit b92d0444ac
81 changed files with 4782 additions and 282 deletions
@@ -0,0 +1,77 @@
+/*
+*  utilite is a cross-platform library with
+*  useful utilities for fast and small developing.
+*  Copyright (C) 2010  Mathieu Labbe
+*
+*  utilite is free library: 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, either version 3 of the License, or
+*  (at your option) any later version.
+*
+*  utilite is distributed in the hope that it will be useful,
+*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*  GNU Lesser General Public License for more details.
+*
+*  You should have received a copy of the GNU Lesser General Public License
+*  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef UDESTROYER_H
+#define UDESTROYER_H
+
+#include "rtabmap/utilite/UtiLiteExp.h" // DLL export/import defines
+
+/**
+ * This class is used to delete a dynamically created
+ * objects. It was mainly designed to remove dynamically created Singleton.
+ * Created on the stack of a Singleton, when the
+ * application is finished, his destructor make sure that the 
+ * Singleton is deleted.
+ *
+ */
+template <class T>
+class UDestroyer
+{
+public:
+	/**
+	 * The constructor. Set the doomed object (take ownership of the object). The object is deleted
+	 * when this object is deleted.
+	 */
+    UDestroyer(T* doomed = 0)  : doomed_(doomed) {}
+    
+    ~UDestroyer()
+    {
+        if(doomed_)
+        {
+            delete doomed_;
+            doomed_ = 0;
+        }
+    }
+
+    /**
+	 * Set the doomed object. If a doomed object is already set, the function returns false.
+	 * @param doomed the doomed object
+	 * @return false if an object is already set and the new object is not null, otherwise true
+	 */
+    bool setDoomed(T* doomed)
+	{
+    	if(doomed_ && doomed)
+    	{
+    		return false;
+    	}
+		doomed_ = doomed;
+		return true;
+	}
+
+private:
+    // Prevent users from making copies of a 
+    // Destroyer to avoid double deletion:
+    UDestroyer(const UDestroyer<T>&);
+    void operator=(const UDestroyer<T>&);
+
+private:
+    T* doomed_;
+};
+
+#endif // UDESTROYER_H