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/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "DB2Store.h"
#include "ByteBuffer.h"
#include "DB2DatabaseLoader.h"
#include "DB2FileSystemSource.h"
#include "DB2Meta.h"
#include "StringFormat.h"
DB2StorageBase::DB2StorageBase(char const* fileName, DB2LoadInfo const* loadInfo)
: _tableHash(0), _layoutHash(0), _fileName(fileName), _fieldCount(0), _loadInfo(loadInfo), _dataTable(nullptr), _dataTableEx(),
_indexTable(nullptr), _indexTableSize(0), _minId(0)
{
}
DB2StorageBase::~DB2StorageBase()
{
delete[] _dataTable;
delete[] _dataTableEx[0];
delete[] _dataTableEx[1];
for (char* strings : _stringPool)
delete[] strings;
delete[] _indexTable;
}
void DB2StorageBase::WriteRecord(uint32 id, LocaleConstant locale, ByteBuffer& buffer) const
{
ASSERT(id < _indexTableSize);
char const* entry = ASSERT_NOTNULL(_indexTable[id]);
if (!_loadInfo->Meta->HasIndexFieldInData())
entry += 4;
for (uint32 i = 0; i < _loadInfo->Meta->FieldCount; ++i)
{
for (uint8 arr = 0; arr < _loadInfo->Meta->Fields[i].ArraySize; ++arr)
{
switch (_loadInfo->Meta->Fields[i].Type)
{
case FT_INT:
buffer << *reinterpret_cast<uint32 const*>(entry);
entry += 4;
break;
case FT_FLOAT:
buffer << *reinterpret_cast<float const*>(entry);
entry += 4;
break;
case FT_BYTE:
buffer << *reinterpret_cast<uint8 const*>(entry);
entry += 1;
break;
case FT_SHORT:
buffer << *reinterpret_cast<uint16 const*>(entry);
entry += 2;
break;
case FT_LONG:
buffer << *reinterpret_cast<uint64 const*>(entry);
entry += 8;
break;
case FT_STRING:
buffer << (*reinterpret_cast<LocalizedString const*>(entry))[locale];
entry += sizeof(LocalizedString);
break;
case FT_STRING_NOT_LOCALIZED:
buffer << *reinterpret_cast<char const* const*>(entry);
entry += sizeof(char const*);
break;
}
}
}
}
void DB2StorageBase::Load(std::string const& path, LocaleConstant locale)
{
DB2FileLoader db2;
DB2FileSystemSource source(path + _fileName);
// Check if load was successful, only then continue
db2.Load(&source, _loadInfo);
_fieldCount = db2.GetCols();
_tableHash = db2.GetTableHash();
_layoutHash = db2.GetLayoutHash();
_minId = db2.GetMinId();
// load raw non-string data
_dataTable = db2.AutoProduceData(_indexTableSize, _indexTable);
// load strings from db2 data
if (char* stringBlock = db2.AutoProduceStrings(_indexTable, _indexTableSize, locale))
_stringPool.push_back(stringBlock);
db2.AutoProduceRecordCopies(_indexTableSize, _indexTable, _dataTable);
}
void DB2StorageBase::LoadStringsFrom(std::string const& path, LocaleConstant locale)
{
// DB2 must be already loaded using Load
if (!_indexTable)
throw DB2FileLoadException(Trinity::StringFormat("{} was not loaded properly, cannot load strings", path));
DB2FileLoader db2;
DB2FileSystemSource source(path + _fileName);
// Check if load was successful, only then continue
db2.Load(&source, _loadInfo);
// load strings from another locale db2 data
if (_loadInfo->GetStringFieldCount(true))
if (char* stringBlock = db2.AutoProduceStrings(_indexTable, _indexTableSize, locale))
_stringPool.push_back(stringBlock);
}
void DB2StorageBase::LoadFromDB()
{
DB2DatabaseLoader loader(_fileName, _loadInfo);
_dataTableEx[0] = loader.Load(false, _indexTableSize, _indexTable, _stringPool, _minId);
_dataTableEx[1] = loader.Load(true, _indexTableSize, _indexTable, _stringPool, _minId);
_stringPool.shrink_to_fit();
}
void DB2StorageBase::LoadStringsFromDB(LocaleConstant locale)
{
if (!_loadInfo->GetStringFieldCount(true))
return;
DB2DatabaseLoader loader(_fileName, _loadInfo);
loader.LoadStrings(false, locale, _indexTableSize, _indexTable, _stringPool);
loader.LoadStrings(true, locale, _indexTableSize, _indexTable, _stringPool);
_stringPool.shrink_to_fit();
}
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