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/*=========================================================================
Program: Visualization Toolkit
Module: vtkIOODBC_AutoInit.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkODBCDatabase.h"
#include <vtksys/SystemTools.hxx>
#include <string>
// Registration of ODBC dynamically with the vtkSQLDatabase factory method.
vtkSQLDatabase * ODBCCreateFunction(const char* URL)
{
std::string urlstr(URL ? URL : "");
std::string protocol, unused;
vtkODBCDatabase *db = 0;
if (vtksys::SystemTools::ParseURLProtocol(urlstr, protocol, unused) &&
protocol == "odbc")
{
db = vtkODBCDatabase::New();
db->ParseURL(URL);
}
return db;
}
static unsigned int vtkIOODBCCount;
VTKIOODBC_EXPORT void vtkIOODBC_AutoInit_Construct()
{
if (++vtkIOODBCCount == 1)
{
vtkSQLDatabase::RegisterCreateFromURLCallback(ODBCCreateFunction);
}
}
VTKIOODBC_EXPORT void vtkIOODBC_AutoInit_Destruct()
{
if (--vtkIOODBCCount == 0)
{
vtkSQLDatabase::UnRegisterCreateFromURLCallback(ODBCCreateFunction);
}
}
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