l2-unlegits/l2packets/xcpt/L2Packets_xcpt.h
2012-02-01 05:25:08 +00:00

67 lines
2.0 KiB
C++

#ifndef L2P_XCPT
#define L2P_XCPT
/** \class L2P_Exception
* Base class for exceptions that may be thrown from deep inside functions from library
* (ByteArray, L2BasePacket) */
class L2P_Exception
{
public:
/** Default constructor, no comments */
L2P_Exception(): m_what(NULL) {}
/** Copy constructor */
L2P_Exception( const L2P_Exception& other ): m_what(NULL)
{
this->operator=( other );
}
/** Destructor, frees internal string buffer if needed */
virtual ~L2P_Exception();
/** Returns pointer to string comment buffer
\ return pointer to string comment buffer or NULL, if no comment
*/
virtual const char *what() const;
/** Assigns comment from other L2P_Exception object to this
* \param other - source to copy from */
virtual const L2P_Exception& operator=( const L2P_Exception& other );
protected:
char *m_what; ///< pointer to buffer to keep comment string
};
/** \class L2P_Exception Will be thrown when malloc()/realloc() fails */
class L2P_MemoryError: public L2P_Exception
{
public:
L2P_MemoryError( const char *comment, size_t bytes );
};
/** \class L2P_Exception Will be thrown when reading past end of packet OR calling
* getByteAt() with index not in range of packet size */
class L2P_ReadException: public L2P_Exception
{
public:
L2P_ReadException( const char *comment, int nBytesTriedToRead, int nPos, int nSize );
};
/** \class L2P_Exception Will be thrown when writing past end of packet (almost impossible situation) OR
* by calling setByteAt() with index not in range of packet size */
class L2P_WriteException: public L2P_Exception
{
public:
L2P_WriteException( const char *comment, int nBytesTriedToWrite, int nPos, int nSize );
};
class L2P_ObfuscateException: public L2P_Exception
{
public:
L2P_ObfuscateException( int size, unsigned int wrong_opcode, int error_code );
};
class L2P_DeObfuscateException: public L2P_Exception
{
public:
L2P_DeObfuscateException( int size, unsigned int wrong_opcode, int error_code );
};
#endif