LosaDev source snapshot 2019

extra/LS_Service/LS_controller/cBuffer.cpp

@@ -0,0 +1,184 @@
+// cBuffer.cpp: implementation of the cBuffer class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#include "stdafx.h"
+#include "cBuffer.h"
+#include <iostream>
+
+
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+cBuffer::cBuffer()
+{
+	Init();
+}
+
+cBuffer::cBuffer( uint32 uBuffLen )
+{
+	Init();
+	Create( uBuffLen );
+}
+
+cBuffer::~cBuffer()
+{
+	Destroy();
+}
+
+void	cBuffer::Init()
+{
+	m_pDT		= NULL;
+	m_unLen		= 0;
+	m_unMax		= 0;
+}
+
+void	cBuffer::Destroy()
+{
+	if( m_pDT )
+		delete []m_pDT;
+
+	m_pDT		= NULL;
+	m_unLen		= 0;
+	m_unMax		= 0;
+}
+
+//////////////////////////////////////////////////////////////////////
+// Create/Erase
+//////////////////////////////////////////////////////////////////////
+
+bool	cBuffer::Create( uint32 uBuffLen )
+{
+	if( m_pDT )
+		Destroy();
+
+	m_pDT = new uint8[ uBuffLen ];
+	if( m_pDT )
+	{
+		m_unLen	= 0;
+		m_unMax	= uBuffLen;
+
+		Erase();
+		return true;
+	}
+
+	return false;
+}
+
+bool	cBuffer::Erase()
+{
+	if( m_pDT )
+	{
+		ZeroMemory( m_pDT, m_unLen );
+		m_unLen = 0;
+		return true;
+	}
+	return false;
+}
+
+void	cBuffer::Resize( uint32 uBuffLen )
+{
+	if(m_unMax < uBuffLen)
+	{
+		Create(uBuffLen);
+	}
+}
+
+//////////////////////////////////////////////////////////////////////
+// Copy/Append
+//////////////////////////////////////////////////////////////////////
+
+bool	cBuffer::Copy( const TCHAR* pDT )
+{
+	if( m_pDT )
+	{
+		uint32 unLen = _tcslen( pDT ) + 1;
+		if( unLen <= m_unMax )
+		{
+			Erase();
+
+			m_unLen	= unLen;
+			CopyMemory( m_pDT, pDT, m_unLen );
+			return true;
+		}
+	}
+	return false;
+}
+
+bool	cBuffer::Copy( uint32 unDst, const TCHAR* pDT )
+{
+	if( m_pDT )
+	{
+		uint32 unLen = _tcslen( pDT ) + 1;
+		if( (unDst+unLen) <= m_unMax )
+		{
+			CopyMemory( m_pDT+unDst, pDT, unLen );
+			m_unLen	= unDst + unLen;
+			return true;
+		}
+	}
+	return false;
+}
+
+bool	cBuffer::Copy( const uint8* pDT, uint32 unLen )
+{
+	if( m_pDT )
+	{
+		if( unLen <= m_unMax )
+		{
+			Erase();
+
+			m_unLen	= unLen;
+			CopyMemory( m_pDT, pDT, m_unLen );
+			return true;
+		}
+	}
+	return false;
+}
+
+bool	cBuffer::Copy( uint32 unDst, const uint8* pDT, uint32 unLen )
+{
+	if( m_pDT )
+	{
+		if( (unDst+unLen) <= m_unMax )
+		{
+			CopyMemory( m_pDT + unDst, pDT, unLen );
+			m_unLen	= unDst + unLen;
+			return true;
+		}
+	}
+	return false;
+}
+
+bool	cBuffer::Append( const TCHAR* pDT )
+{
+	if( m_pDT )
+	{
+		uint32 unLen = _tcslen( pDT ) + 1;
+		if( (unLen+m_unLen) <= m_unMax )
+		{
+			CopyMemory( m_pDT+m_unLen, pDT, unLen );
+			m_unLen	+= unLen;
+			return true;
+		}
+	}
+	return false;
+}
+
+
+bool	cBuffer::Append( const uint8* pDT, uint32 unLen )
+{
+	if( m_pDT )
+	{
+		if( (unLen+m_unLen) <= m_unMax )
+		{
+			CopyMemory( m_pDT + m_unLen, pDT, unLen );
+			m_unLen	+= unLen;
+			return true;
+		}
+	}
+	return false;
+}
+