LosaDev source snapshot 2019

extra/LS_TTBot/cBuffer.cpp

@@ -0,0 +1,265 @@
+
+#include "stdafx.h"
+#include "cBuffer.h"
+#include <iostream>
+
+
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+cBuffer::cBuffer() : m_pDT(NULL), m_length(0), m_max(0)
+{
+}
+
+cBuffer::cBuffer( uint32 length ) : m_pDT(NULL), m_length(length), m_max(0)
+{
+	Create( length );
+}
+
+cBuffer::~cBuffer()
+{
+	Destroy();
+}
+
+void cBuffer::Init()
+{
+	m_pDT		= NULL;
+	m_length	= 0;
+	m_max		= 0;
+}
+
+void cBuffer::Destroy()
+{
+	if( m_pDT )
+		delete []m_pDT;
+
+	m_pDT		= NULL;
+	m_length	= 0;
+	m_max		= 0;
+}
+
+//////////////////////////////////////////////////////////////////////
+// Create/Erase
+//////////////////////////////////////////////////////////////////////
+
+BOOL cBuffer::Create( uint32 length )
+{
+	if( m_pDT )
+		Destroy();
+
+	m_pDT = new uint8[ length ];
+	if( m_pDT )
+	{
+		m_length = 0;
+		m_max	 = length;
+
+		Erase();
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+BOOL cBuffer::Erase()
+{
+	if( m_pDT )
+	{
+		ZeroMemory( m_pDT, m_length );
+		m_length = 0;
+		return TRUE;
+	}
+	return FALSE;
+}
+
+//////////////////////////////////////////////////////////////////////
+// Copy/Append
+//////////////////////////////////////////////////////////////////////
+
+/*
+BOOL cBuffer::Copy( const uint8* pDT, uint32 length )
+{
+	if( m_pDT )
+	{
+		if( length <= m_max )
+		{
+			Erase();
+
+			m_length = length;
+			CopyMemory( m_pDT, pDT, m_length );
+			return TRUE;
+		}
+	}
+	return FALSE;
+}
+
+BOOL cBuffer::Copy( const uint32 segment, const uint8* pDT, uint32 length )
+{
+	if( m_pDT )
+	{
+		if( (segment+length) <= m_max )
+		{
+			CopyMemory( m_pDT + segment, pDT, length );
+			m_length = segment + length;
+			return TRUE;
+		}
+	}
+	return FALSE;
+}
+
+BOOL cBuffer::Append( const uint8* pDT, uint32 length )
+{
+	if( m_pDT )
+	{
+		if( (length+m_length) <= m_max )
+		{
+			CopyMemory( m_pDT + m_length, pDT, length );
+			m_length += length;
+			return TRUE;
+		}
+	}
+	return FALSE;
+}
+*/
+
+void cBuffer::Shift( uint32 length )
+{
+	if( m_pDT )
+	{
+		if( length <= m_length )
+		{
+			uint32 remain = m_length - length;
+			//uint32 remain = m_max - length;
+
+			CopyMemory( m_pDT, m_pDT+length, remain );
+			m_length = remain;
+			//m_length = m_length - length;
+		}
+		else
+		{
+			Erase();
+		}
+	}
+}
+
+bool cBuffer::Copy( const TCHAR* pDT )
+{
+	if( m_pDT )
+	{
+		uint32 length = (_tcslen( pDT ) + 1) * sizeof(TCHAR);
+		if( length <= m_max )
+		{
+			Erase();
+
+			m_length	= length;
+			CopyMemory( m_pDT, pDT, m_length );
+			return true;
+		}
+	}
+	return false;
+}
+
+bool cBuffer::Copy( uint32 unDst, const TCHAR* pDT )
+{
+	if( m_pDT )
+	{
+		uint32 length = (_tcslen( pDT ) + 1) * sizeof(TCHAR);
+		if( (unDst+length) <= m_max )
+		{
+			CopyMemory( m_pDT+unDst, pDT, length );
+			m_length	= unDst + length;
+			return true;
+		}
+	}
+	return false;
+}
+
+bool cBuffer::Copy( const uint8* pDT, uint32 length )
+{
+	if( m_pDT )
+	{
+		if( length <= m_max )
+		{
+			Erase();
+
+			m_length	= length;
+			CopyMemory( m_pDT, pDT, m_length );
+			return true;
+		}
+	}
+	return false;
+}
+
+bool cBuffer::Copy( uint32 unDst, const uint8* pDT, uint32 length )
+{
+	if( m_pDT )
+	{
+		if( (unDst+length) <= m_max )
+		{
+			CopyMemory( m_pDT + unDst, pDT, length );
+			m_length	= unDst + length;
+			return true;
+		}
+	}
+	return false;
+}
+
+
+bool cBuffer::Append( const char pDT )
+{
+	if( m_pDT )
+	{
+		if( (sizeof(char)+m_length) <= m_max )
+		{
+			m_pDT[m_length] = pDT;
+			m_length++;
+			return true;
+		}
+	}
+	return false;
+}
+
+bool cBuffer::Append( const char* pDT )
+{
+	if( m_pDT )
+	{
+		uint32 length = strlen( pDT ) + 1;
+		if( (length+m_length) <= m_max )
+		{
+			CopyMemory( m_pDT+m_length, pDT, length );
+			m_length	+= length;
+			return true;
+		}
+	}
+	return false;
+}
+
+
+bool cBuffer::Append( const uint8* pDT, uint32 length )
+{
+	if( m_pDT )
+	{
+		if( (length+m_length) <= m_max )
+		{
+			CopyMemory( m_pDT + m_length, pDT, length );
+			m_length	+= length;
+			return true;
+		}
+	}
+	return false;
+}
+
+bool cBuffer::Append( const char* pDT, uint32 length )
+{
+	if( m_pDT )
+	{
+		if( (length+m_length) <= m_max )
+		{
+			CopyMemory( m_pDT + m_length, pDT, length );
+			m_length	+= length;
+			return true;
+		}
+	}
+	return false;
+}