Files
secondo/Algebras/CRel/SmiUtils.h
2026-01-23 17:03:45 +08:00

91 lines
2.6 KiB
C++

/*
----
This file is part of SECONDO.
Copyright (C) 2004-2009, University in Hagen, Faculty of Mathematics
and Computer Science, Database Systems for New Applications.
SECONDO is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
SECONDO is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
----
*/
#pragma once
#include <cstdint>
#include "SecondoSMI.h"
#include "Shared.h"
#include <unordered_map>
namespace CRelAlgebra
{
void WriteOrThrow(SmiRecordFile &target, SmiRecordId recordId, char *source,
size_t count, size_t &offset);
void WriteOrThrow(SmiRecord &target, char *source, size_t count,
size_t &offset);
template<class T>
void WriteOrThrow(SmiRecord &target, T &value, size_t &offset)
{
WriteOrThrow(target, (char*)&value, sizeof(T), offset);
}
void ReadOrThrow(char *target, SmiRecordFile &source, SmiRecordId recordId,
size_t count, size_t &offset);
void ReadOrThrow(char *target, SmiRecord &source, size_t count,
size_t &offset);
char *ReadOrThrow(SmiRecordFile &source, SmiRecordId recordId, size_t count,
size_t &offset);
char *ReadOrThrow(SmiRecord &source, size_t count, size_t &offset);
template<class T>
void ReadOrThrow(T &value, SmiRecord &source, size_t &offset)
{
ReadOrThrow((char*)&value, source, sizeof(T), offset);
}
template<class T>
T ReadOrThrow(SmiRecord &source, size_t &offset)
{
T value;
ReadOrThrow((char*)&value, source, sizeof(T), offset);
return value;
}
void CreateOrThrow(SmiFile &file);
void OpenOrThrow(SmiFile &file, SmiFileId id);
void CloseOrThrow(SmiFile &file, bool sync = true);
void DropOrThrow(SmiFile &file);
void AppendOrThrow(SmiRecordFile &file, SmiRecordId &id);
void AppendOrThrow(SmiRecordFile &file, SmiRecord &record);
void AppendOrThrow(SmiRecordFile &file, SmiRecordId &id, SmiRecord &record);
void SelectOrThrow(SmiRecordFile &file, SmiRecordId id,
SmiFile::AccessType accessType, SmiRecord &record);
void DeleteOrThrow(SmiRecordFile &file, SmiRecordId id);
}