2003-11-25 03:11:50 +01:00
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#ifndef _Serialization_H
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#define _Serialization_H
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#include "types.h"
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2004-03-03 00:54:51 +01:00
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#include "lib.h"
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2003-11-25 03:11:50 +01:00
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2003-11-30 17:36:43 +01:00
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#define Serialize_int_1(_pos, _val) \
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STMT( *((_pos)++) = _val&0xff; )
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#define Serialize_int_2(_pos, _val) STMT(\
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Serialize_int_1(_pos, _val>>8); \
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Serialize_int_1(_pos, _val); \
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)
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#define Serialize_int_3(_pos, _val) STMT(\
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Serialize_int_1(_pos, _val>>16); \
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Serialize_int_2(_pos, _val); \
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)
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#define Serialize_int_4(_pos, _val) STMT(\
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Serialize_int_1(_pos, _val>>24); \
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Serialize_int_3(_pos, _val); \
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)
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#define Serialize_int_8(_pos, _val) STMT(\
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Serialize_int_4(_pos, _val>>32); \
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Serialize_int_4(_pos, _val); \
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)
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#define Deserialize_int_1(_pos, _val) STMT(\
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(_val) -= (_val) & 0xff; \
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(_val) += *((_pos)++); )
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#define Deserialize_int_2(_pos, _val) STMT(\
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Deserialize_int_1(_pos, _val); \
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_val <<= 8; \
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Deserialize_int_1(_pos, _val); )
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#define Deserialize_int_3(_pos, _val) STMT(\
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Deserialize_int_2(_pos, _val); \
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_val <<= 8; \
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Deserialize_int_1(_pos, _val); )
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#define Deserialize_int_4(_pos, _val) STMT(\
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Deserialize_int_3(_pos, _val); \
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_val <<= 8; \
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Deserialize_int_1(_pos, _val); )
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#define Deserialize_int_8(_pos, _val) STMT(\
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Deserialize_int_4(_pos, _val); \
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_val <<= 8; \
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Deserialize_int_4(_pos, _val); )
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/*#define Serialize_CStr(_pos, _str) STMT( \
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uint len=_str.Length(); \
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Serialize_int_4(_pos, len); \
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memcpy(_pos, _str, len+1); _pos += len+1; )
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#define Deserialize_CStr(_pos, _str) STMT( \
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uint len; Deserialize_int_4(_pos, len); \
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_str=CStr((char *)_pos); _pos += len+1; )*/
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/**
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* An interface for serializable objects. For a serializable object to be usable
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* as a network message field, it must have a constructor without arguments.
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*/
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class ISerializable
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2003-11-25 03:11:50 +01:00
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{
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2003-11-30 17:36:43 +01:00
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public:
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/**
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* Return the length of the serialized form of this object
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*/
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virtual uint GetSerializedLength() const = 0;
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/**
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* Serialize the object into the passed buffer.
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*
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* @return a pointer to the location in the buffer right after the
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* serialized object
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*/
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virtual u8 *Serialize(u8 *buffer) const = 0;
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/**
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* Deserialize the object (i.e. read in data from the buffer and initialize
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* the object's fields). Note that it is up to the deserializer to detect
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* errors in data format.
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*
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* @param buffer A pointer pointing to the start of the serialized data.
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* @param end A pointer to the end of the message.
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*
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* @returns a pointer to the location in the buffer right after the
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* serialized object, or NULL if there was a data format error
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*/
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virtual const u8 *Deserialize(const u8 *buffer, const u8 *end) = 0;
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};
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2003-11-25 03:11:50 +01:00
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#endif
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