winamp/Src/nde/win/Record.h

50 lines
1.1 KiB
C
Raw Permalink Normal View History

2024-09-24 12:54:57 +00:00
#pragma once
#include "../nde.h"
#include "../Field.h"
#include "Vfs.h"
#include <stdio.h>
#include <deque>
class ColumnField;
class RecordBase
{
public:
RecordBase();
virtual ~RecordBase();
Field *GetField(unsigned char ID);
void Retain();
void Release();
void RemoveField(Field *field);
void AddField(Field *field);
Field* GetLastField()
{
if (Fields.empty())
{
return nullptr;
}
return Fields[Fields.size() - 1];
}
protected:
void Undelete(void);
int InsertionPoint; // TODO: benski> might be able to pass this into WriteFields/WriteIndex
int ref_count;
typedef std::deque<Field*> FieldList;
FieldList Fields;
};
class Record : public RecordBase
{
public:
Record(int RecordPos, int insertionPoint, VFILE *FileHandle,Table *p);
bool InCache() { return ref_count > 1; }
ColumnField *GetColumnByName(const wchar_t *name);
int WriteFields(Table *ParentTable, int RecordIndex);
int WriteIndex(Table *ParentTable, int RecordIndex);
void Delete(Table *ParentTable, int RecordIndex);
typedef bool (__cdecl *FieldsWalker)(Record *record, Field *entry, void *context);
NDE_API void WalkFields(FieldsWalker callback, void *context);
};