mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-11-15 01:34:54 -05:00
110 lines
No EOL
3.1 KiB
C++
110 lines
No EOL
3.1 KiB
C++
/* ---------------------------------------------------------------------------
|
|
Nullsoft Database Engine
|
|
--------------------
|
|
codename: Near Death Experience
|
|
--------------------------------------------------------------------------- */
|
|
|
|
/* ---------------------------------------------------------------------------
|
|
|
|
Field Class Prototypes
|
|
|
|
--------------------------------------------------------------------------- */
|
|
|
|
#ifndef __FIELD_H
|
|
#define __FIELD_H
|
|
|
|
#ifdef __ANDROID__
|
|
#include <foundation/types.h> // TODO
|
|
#else
|
|
#include <bfc/platform/types.h>
|
|
#endif
|
|
|
|
class Table;
|
|
#include <stdio.h>
|
|
|
|
#define PUT_INT(y) data[pos]=(uint8_t)(y&255); data[pos+1]=(uint8_t)((y>>8)&255); data[pos+2]=(uint8_t)((y>>16)&255); data[pos+3]=(uint8_t)((y>>24)&255)
|
|
#define GET_INT() (int)(data[pos]|(data[pos+1]<<8)|(data[pos+2]<<16)|(data[pos+3]<<24))
|
|
#define PUT_SHORT(y) data[pos]=(uint8_t)(y&255); data[pos+1]=(uint8_t)((y>>8)&255);
|
|
#define GET_SHORT() (uint16_t)(data[pos]|(data[pos+1]<<8))
|
|
#define PUT_PINT(y) data[*pos]=(uint8_t)(y&255); data[*pos+1]=(uint8_t)((y>>8)&255); data[*pos+2]=(uint8_t)((y>>16)&255); data[*pos+3]=(uint8_t)((y>>24)&255)
|
|
extern float GET_FLOAT(const uint8_t *data, size_t pos);
|
|
extern void PUT_FLOAT(float f, uint8_t *data, size_t pos);
|
|
extern void PUT_BINARY(uint8_t *dest, const uint8_t *src, size_t size, size_t pos);
|
|
extern void GET_BINARY(uint8_t *dest, const uint8_t *src, size_t size, size_t pos);
|
|
#define PUT_CHAR(y) data[pos]=y
|
|
#define GET_CHAR() data[pos]
|
|
#define CHECK_CHAR(l) { if (l < 1) return; l--; }
|
|
#define CHECK_INT(l) { if (l < 4) return; l-=4; }
|
|
#define CHECK_INT64(l) { if (l < 8) return; l-=8; }
|
|
#define CHECK_SHORT(l) { if (l < 2) return; l-=2; }
|
|
#define CHECK_BIN(l, size) { if (l < size) return; l-=size; }
|
|
|
|
#ifdef ASSERT
|
|
#undef ASSERT
|
|
#endif
|
|
#define ASSERT(x) { \
|
|
if (!(x)) \
|
|
OutputDebugString("Assertion failed "); \
|
|
}
|
|
|
|
#define _CHECK_CHAR(l) { ASSERT(l >= 1); l-=1; }
|
|
#define _CHECK_INT(l) { ASSERT(l >= 4); l-=4; }
|
|
#define _CHECK_SHORT(l) { ASSERT(l >= 2); l-=2; }
|
|
#define _CHECK_BIN(l, size) { ASSERT(l >= size); l-=size; }
|
|
|
|
class Field //: public wa::lists::node_ptr
|
|
{
|
|
public:
|
|
Field();
|
|
virtual ~Field();
|
|
virtual Field *Clone(Table *pTable);
|
|
unsigned char GetFieldId(void)
|
|
{
|
|
return ID;
|
|
}
|
|
int GetType();
|
|
size_t GetTotalSize();
|
|
Field(int FieldPos);
|
|
Field *ReadField(Table *pTable, int pos, uint32_t *next_position=0);
|
|
Field *ReadField(Table *pTable, int pos, bool readTyped, uint32_t *next_position=0);
|
|
void WriteField(Table *pTable, Field *previous_field, Field *next_field);
|
|
virtual void ReadTypedData(const uint8_t *, size_t /*len*/) { };
|
|
virtual void WriteTypedData(uint8_t *, size_t) { };
|
|
virtual size_t GetDataSize(void)
|
|
{
|
|
return 0;
|
|
}
|
|
virtual int Compare(Field * /*Entry*/)
|
|
{
|
|
return 0;
|
|
}
|
|
virtual int Starts(Field * /*Entry*/)
|
|
{
|
|
return 0;
|
|
}
|
|
virtual int Contains(Field * /*Entry*/)
|
|
{
|
|
return 0;
|
|
}
|
|
virtual bool ApplyFilter(Field * /*Data*/, int /*flags*/)
|
|
{
|
|
return false;
|
|
}
|
|
uint32_t GetFieldPos(void);
|
|
void InitField(void);
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
uint8_t ID;
|
|
uint8_t Type;
|
|
};
|
|
uint32_t _dummy_union_thingy;
|
|
};
|
|
protected:
|
|
uint32_t Pos;
|
|
|
|
uint32_t MaxSizeOnDisk;
|
|
};
|
|
|
|
#endif |