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/*
* Copyright (C) 2005-2009 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 DBCSTORE_H
#define DBCSTORE_H
#include "DBCFileLoader.h"
#include "Log.h"
struct SqlDbc
{
const std::string * formatString;
const std::string * indexName;
std::string sqlTableName;
int32 indexPos;
int32 sqlIndexPos;
SqlDbc(const std::string * _filename, const std::string * _format, const std::string * _idname, const char * fmt)
:formatString(_format),sqlIndexPos(0), indexName (_idname)
{
// Convert dbc file name to sql table name
sqlTableName = *_filename;
for (uint32 i = 0; i< sqlTableName.size(); ++i)
{
if (isalpha(sqlTableName[i]))
sqlTableName[i] = tolower(sqlTableName[i]);
else if (sqlTableName[i] == '.')
sqlTableName[i] = '_';
}
// Get sql index position
DBCFileLoader::GetFormatRecordSize(fmt, &indexPos);
if (indexPos>=0)
{
for (uint32 x=0; x < formatString->size(); x++)
{
// Count only fields present in sql
if ((*formatString)[x] == FT_SQL_PRESENT)
{
if (x == indexPos)
break;
++sqlIndexPos;
}
}
}
}
};
template<class T>
class DBCStorage
{
typedef std::list<char*> StringPoolList;
public:
explicit DBCStorage(const char *f) : nCount(0), fieldCount(0), fmt(f), indexTable(NULL), m_dataTable(NULL) { }
~DBCStorage() { Clear(); }
T const* LookupEntry(uint32 id) const { return (id>=nCount)?NULL:indexTable[id]; }
uint32 GetNumRows() const { return nCount; }
char const* GetFormat() const { return fmt; }
uint32 GetFieldCount() const { return fieldCount; }
bool Load(char const* fn, SqlDbc * sql)
{
DBCFileLoader dbc;
// Check if load was sucessful, only then continue
if(!dbc.Load(fn, fmt))
return false;
uint32 sqlRecordCount = 0;
uint32 sqlHighestIndex = 0;
Field *fields = NULL;
QueryResult *result = NULL;
// Load data from sql
if (sql)
{
std::string query = "SELECT * FROM " + sql->sqlTableName;
if (sql->indexPos >= 0)
query +=" ORDER BY + " + *sql->indexName + " DESC";
query += ";";
result = WorldDatabase.Query(query.c_str());
if (result)
{
sqlRecordCount = result->GetRowCount();
if (sql->indexPos >= 0)
{
fields = result->Fetch();
sqlHighestIndex = fields[sql->sqlIndexPos].GetUInt32();
}
// Check if sql index pos is valid
if (int32(result->GetFieldCount()-1) < sql->sqlIndexPos)
{
sLog.outError("Invalid index pos for dbc:'%s'", sql->sqlTableName.c_str());
return false;
}
}
}
char * sqlDataTable;
fieldCount = dbc.GetCols();
m_dataTable = (T*)dbc.AutoProduceData(fmt,nCount,(char**&)indexTable, sqlRecordCount, sqlHighestIndex, sqlDataTable);
m_stringPoolList.push_back(dbc.AutoProduceStrings(fmt,(char*)m_dataTable));
// Insert sql data into arrays
if (result)
{
if (indexTable)
{
uint32 offset = 0;
uint32 rowIndex = dbc.GetNumRows();
do
{
if (!fields)
fields = result->Fetch();
if(sql->indexPos >= 0)
{
uint32 id = fields[sql->sqlIndexPos].GetUInt32();
if (indexTable[id])
{
sLog.outError("Index %d already exists in dbc:'%s'", id, sql->sqlTableName.c_str());
return false;
}
indexTable[id]=(T*)&sqlDataTable[offset];
}
else
indexTable[rowIndex]=(T*)&sqlDataTable[offset];
uint32 columnNumber = 0;
uint32 sqlColumnNumber = 0;
for (; columnNumber < sql->formatString->size(); ++columnNumber)
{
if ((*sql->formatString)[columnNumber] == FT_SQL_ABSENT)
{
switch(fmt[columnNumber])
{
case FT_FLOAT:
*((float*)(&sqlDataTable[offset]))= 0.0f;
offset+=4;
break;
case FT_IND:
case FT_INT:
*((uint32*)(&sqlDataTable[offset]))=uint32(0);
offset+=4;
break;
case FT_BYTE:
*((uint8*)(&sqlDataTable[offset]))=uint8(0);
offset+=1;
break;
case FT_STRING:
// Beginning of the pool - empty string
*((char**)(&sqlDataTable[offset]))=m_stringPoolList.back();
offset+=sizeof(char*);
break;
}
}
else if ((*sql->formatString)[columnNumber] == FT_SQL_PRESENT)
{
bool validSqlColumn = true;
switch(fmt[columnNumber])
{
case FT_FLOAT:
*((float*)(&sqlDataTable[offset]))=fields[sqlColumnNumber].GetFloat();
offset+=4;
break;
case FT_IND:
case FT_INT:
*((uint32*)(&sqlDataTable[offset]))=fields[sqlColumnNumber].GetUInt32();
offset+=4;
break;
case FT_BYTE:
*((uint8*)(&sqlDataTable[offset]))=fields[sqlColumnNumber].GetUInt8();
offset+=1;
break;
case FT_STRING:
sLog.outError("Unsupported data type in table '%s' at char %d", sql->sqlTableName.c_str(), columnNumber);
delete result;
return false;
case FT_SORT:
break;
default:
validSqlColumn = false;
}
if (validSqlColumn)
sqlColumnNumber++;
}
else
{
sLog.outError("Incorrect sql format string '%s' at char %d", sql->sqlTableName.c_str(), columnNumber);
delete result;
return false;
}
}
if (sqlColumnNumber != (result->GetFieldCount()-1))
{
sLog.outError("SQL and DBC format strings are not matching for table: '%s'", sql->sqlTableName.c_str());
delete result;
return false;
}
fields = NULL;
++rowIndex;
}while (result->NextRow());
}
delete result;
}
// error in dbc file at loading if NULL
return indexTable!=NULL;
}
bool LoadStringsFrom(char const* fn)
{
// DBC must be already loaded using Load
if(!indexTable)
return false;
DBCFileLoader dbc;
// Check if load was successful, only then continue
if(!dbc.Load(fn, fmt))
return false;
m_stringPoolList.push_back(dbc.AutoProduceStrings(fmt,(char*)m_dataTable));
return true;
}
void Clear()
{
if (!indexTable)
return;
delete[] ((char*)indexTable);
indexTable = NULL;
delete[] ((char*)m_dataTable);
m_dataTable = NULL;
while(!m_stringPoolList.empty())
{
delete[] m_stringPoolList.front();
m_stringPoolList.pop_front();
}
nCount = 0;
}
private:
char const* fmt;
uint32 nCount;
uint32 fieldCount;
T** indexTable;
T* m_dataTable;
StringPoolList m_stringPoolList;
};
#endif
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