mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-11-28 05:00:48 +01:00
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
/* ---------------------------------------------------------------------------
|
|
Nullsoft Database Engine
|
|
--------------------
|
|
codename: Near Death Experience
|
|
--------------------------------------------------------------------------- */
|
|
|
|
/* ---------------------------------------------------------------------------
|
|
|
|
Raw Index Class Prototypes
|
|
|
|
--------------------------------------------------------------------------- */
|
|
|
|
#ifndef __RAWINDEX_H
|
|
#define __RAWINDEX_H
|
|
|
|
#include <stdio.h>
|
|
#ifdef WIN32
|
|
#include <io.h>
|
|
#else
|
|
#include <unistd.h>
|
|
#endif
|
|
#include "vfs.h"
|
|
#include "Table.h"
|
|
|
|
class IndexField;
|
|
#define BLOCK_SIZE 2048 // 8192 entries blocks
|
|
class RecordBase;
|
|
class Index
|
|
{
|
|
public:
|
|
Index(VFILE *Handle, unsigned char id, int pos, int type, bool newindex, int nentries, Table *parentTable);
|
|
~Index();
|
|
int Get(int Idx);
|
|
void Set(int Idx, int P);
|
|
|
|
void LoadIndex(bool newindex);
|
|
void WriteIndex(void);
|
|
int Insert(Index *parindex, int N, bool localonly);
|
|
int Insert(int N);
|
|
int Update(int Idx, int Pos, RecordBase *record, bool localonly);
|
|
int Update(Index *parindex, int paridx, int Idx, int Pos, RecordBase *record, bool forceLast, bool localonly);
|
|
unsigned char GetId();
|
|
|
|
int FindSortedPlace(Field *field, int idx, int *laststate, int start);
|
|
int FindSortedPlaceEx(Field *field, int idx, int *laststate, int start, int comp_mode);
|
|
int MoveIndex(int idx, int newidx);
|
|
void Colaborate(IndexField *secindex);
|
|
void SetCooperative(int Idx, int secpos);
|
|
int GetCooperative(int Idx);
|
|
void UpdateMe(Index *Me, int newidx, int oldidx);
|
|
Field *QuickFindField(unsigned char Id, int Pos);
|
|
int QuickFind(int Id, Field *field, int start);
|
|
int QuickFindEx(int Id, Field *field, int start, int comp_mode);
|
|
int TranslateIndex(int Pos, Index *index);
|
|
void Delete(int Idx, int Pos, Record *record);
|
|
void Shrink(void);
|
|
|
|
void Propagate(void);
|
|
void SetGlobalLocateUpToDate(bool isUptodate);
|
|
int NeedFix();
|
|
|
|
public:
|
|
// TODO: make these protected
|
|
int NEntries;
|
|
IndexField *SecIndex;
|
|
bool locateUpToDate;
|
|
|
|
protected:
|
|
VFILE *Handle;
|
|
VFILE *TableHandle;
|
|
Table *pTable;
|
|
|
|
int *IndexTable;
|
|
size_t MaxSize;
|
|
unsigned char Id;
|
|
|
|
bool InChain;
|
|
int Position;
|
|
bool InInsert;
|
|
int InChainIdx;
|
|
};
|
|
|
|
#endif |