submitted 1.2.0

Foundation/include/Poco/Buffer.h

@@ -0,0 +1,129 @@
+//
+// Buffer.h
+//
+// $Id: //poco/1.2/Foundation/include/Poco/Buffer.h#1 $
+//
+// Library: Foundation
+// Package: Core
+// Module:  Buffer
+//
+// Definition of the Buffer class.
+//
+// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#ifndef Foundation_Buffer_INCLUDED
+#define Foundation_Buffer_INCLUDED
+
+
+#include "Poco/Foundation.h"
+
+
+namespace Poco {
+
+
+template <class T>
+class Buffer
+	/// A very simple buffer class that allocates a buffer of
+	/// a given type and size in the constructor and
+	/// deallocates the buffer in the destructor.
+	///
+	/// This class is useful everywhere where a temporary buffer
+	/// is needed.
+{
+public:
+	Buffer(int size):
+		_size(size),
+		_ptr(new T[size])
+		/// Creates and allocates the Buffer.
+	{
+	}
+	
+	~Buffer()
+		/// Destroys the Buffer.
+	{
+		delete [] _ptr;
+	}
+	
+	int size() const
+		/// Returns the size of the buffer.
+	{
+		return _size;
+	}
+	
+	T* begin()
+		/// Returns a pointer to the beginning of the buffer.
+	{
+		return _ptr;
+	}
+	
+	const T* begin() const
+		/// Returns a pointer to the beginning of the buffer.
+	{
+		return _ptr;
+	}
+
+	T* end()
+		/// Returns a pointer to end of the buffer.
+	{
+		return _ptr + _size;
+	}
+	
+	const T* end() const
+		/// Returns a pointer to the end of the buffer.
+	{
+		return _ptr + _size;
+	}
+	
+	T& operator [] (int index)
+	{
+		poco_assert (index >= 0 && index < _size);
+		
+		return _ptr[index];
+	}
+
+	const T& operator [] (int index) const
+	{
+		poco_assert (index >= 0 && index < _size);
+		
+		return _ptr[index];
+	}
+
+private:
+	Buffer();
+	Buffer(const Buffer&);
+	Buffer& operator = (const Buffer&);
+
+	int _size;
+	T*  _ptr;
+};
+
+
+} // namespace Poco
+
+
+#endif // Foundation_Buffer_INCLUDED