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/*
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* Copyright (C) 2008-2009 Trinity <http://www.trinitycore.org/>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef SQLSTORAGE_H
#define SQLSTORAGE_H
#include "Common.h"
#include "Database/DatabaseEnv.h"
class SQLStorage
{
template<class T>
friend struct SQLStorageLoaderBase;
public:
SQLStorage(const char* fmt, const char * _entry_field, const char * sqlname)
{
src_format = fmt;
dst_format = fmt;
init(_entry_field, sqlname);
}
SQLStorage(const char* src_fmt, const char* dst_fmt, const char * _entry_field, const char * sqlname)
{
src_format = src_fmt;
dst_format = dst_fmt;
init(_entry_field, sqlname);
}
~SQLStorage()
{
Free();
}
template<class T>
T const* LookupEntry(uint32 id) const
{
if( id == 0 )
return NULL;
if(id >= MaxEntry)
return NULL;
return reinterpret_cast<T const*>(pIndex[id]);
}
uint32 RecordCount;
uint32 MaxEntry;
uint32 iNumFields;
void Load();
void Free();
private:
void init(const char * _entry_field, const char * sqlname)
{
entry_field = _entry_field;
table=sqlname;
data=NULL;
pIndex=NULL;
iNumFields = strlen(src_format);
MaxEntry = 0;
}
char** pIndex;
char *data;
const char *src_format;
const char *dst_format;
const char *table;
const char *entry_field;
//bool HasString;
};
template <class T>
struct SQLStorageLoaderBase
{
public:
void Load(SQLStorage &storage);
template<class S, class D>
void convert(uint32 field_pos, S src, D &dst);
template<class S>
void convert_to_str(uint32 field_pos, S src, char * & dst);
template<class D>
void convert_from_str(uint32 field_pos, char * src, D& dst);
void convert_str_to_str(uint32 field_pos, char *src, char *&dst);
private:
template<class V>
void storeValue(V value, SQLStorage &store, char *p, int x, uint32 &offset);
void storeValue(char * value, SQLStorage &store, char *p, int x, uint32 &offset);
};
struct SQLStorageLoader : public SQLStorageLoaderBase<SQLStorageLoader>
{
};
#endif
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