server/src/shared/Database/DBCFileLoader.h
Salja 5424aed420 Added Support for DB2 Reader. Thanks to all Authors
NOTE: extractor need fix/update.
      support for VC80/VC90
      cmake need update

Signed-off-by: Salja <salja2012@hotmail.de>
2020-02-16 02:25:24 +00:00

112 lines
4.6 KiB
C++

/*
* Copyright (C) 2005-2012 MaNGOS <http://getmangos.com/>
*
* 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 DBC_FILE_LOADER_H
#define DBC_FILE_LOADER_H
#include "Platform/Define.h"
#include "Utilities/ByteConverter.h"
#include "Common.h"
#include <cassert>
/*enum
{
FT_NA = 'x', // ignore/ default, 4 byte size, in Source String means field is ignored, in Dest String means field is filled with default value
FT_NA_BYTE = 'X', // ignore/ default, 1 byte size, see above
FT_NA_FLOAT = 'F', // ignore/ default, float size, see above
FT_NA_POINTER = 'p', // fill default value into dest, pointer size, Use this only with static data (otherwise mem-leak)
FT_STRING = 's', // char*
FT_FLOAT = 'f', // float
FT_INT = 'i', // uint32
FT_BYTE = 'b', // uint8
FT_SORT = 'd', // sorted by this field, field is not included
FT_IND = 'n', // the same,but parsed to data
FT_LOGIC = 'l' // Logical (boolean)
};*/
class DBCFileLoader
{
public:
DBCFileLoader();
~DBCFileLoader();
bool Load(const char* filename, const char* fmt);
class Record
{
public:
float getFloat(size_t field) const
{
assert(field < file.fieldCount);
float val = *reinterpret_cast<float*>(offset + file.GetOffset(field));
EndianConvert(val);
return val;
}
uint32 getUInt(size_t field) const
{
assert(field < file.fieldCount);
uint32 val = *reinterpret_cast<uint32*>(offset + file.GetOffset(field));
EndianConvert(val);
return val;
}
uint8 getUInt8(size_t field) const
{
assert(field < file.fieldCount);
return *reinterpret_cast<uint8*>(offset + file.GetOffset(field));
}
const char* getString(size_t field) const
{
assert(field < file.fieldCount);
size_t stringOffset = getUInt(field);
assert(stringOffset < file.stringSize);
return reinterpret_cast<char*>(file.stringTable + stringOffset);
}
private:
Record(DBCFileLoader& file_, unsigned char* offset_): offset(offset_), file(file_) {}
unsigned char* offset;
DBCFileLoader& file;
friend class DBCFileLoader;
};
// Get record by id
Record getRecord(size_t id);
/// Get begin iterator over records
uint32 GetNumRows() const { return recordCount;}
uint32 GetCols() const { return fieldCount; }
uint32 GetOffset(size_t id) const { return (fieldsOffset != NULL && id < fieldCount) ? fieldsOffset[id] : 0; }
bool IsLoaded() {return (data != NULL);}
char* AutoProduceData(const char* fmt, uint32& count, char**& indexTable);
char* AutoProduceStringsArrayHolders(const char* fmt, char* dataTable);
char* AutoProduceStrings(const char* fmt, char* dataTable, LocaleConstant loc);
static uint32 GetFormatRecordSize(const char * format, int32 * index_pos = NULL);
static uint32 GetFormatStringsFields(const char * format);
private:
uint32 recordSize;
uint32 recordCount;
uint32 fieldCount;
uint32 stringSize;
uint32* fieldsOffset;
unsigned char* data;
unsigned char* stringTable;
};
#endif