mirror of https://gitee.com/openkylin/vtk9.git
53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkIOPostgreSQL_AutoInit.cxx
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkPostgreSQLDatabase.h"
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#include <vtksys/SystemTools.hxx>
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#include <string>
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// Registration of PostgreSQL dynamically with the vtkSQLDatabase factory method.
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vtkSQLDatabase* PostgreSQLCreateFunction(const char* URL)
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{
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std::string urlstr(URL ? URL : "");
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std::string protocol, unused;
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vtkPostgreSQLDatabase* db = nullptr;
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if (vtksys::SystemTools::ParseURLProtocol(urlstr, protocol, unused) && protocol == "psql")
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{
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db = vtkPostgreSQLDatabase::New();
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db->ParseURL(URL);
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}
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return db;
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}
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static unsigned int vtkIOPostgreSQLCount;
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struct VTKIOPOSTGRESQL_EXPORT vtkIOPostgreSQL_AutoInit
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{
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vtkIOPostgreSQL_AutoInit();
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~vtkIOPostgreSQL_AutoInit();
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};
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VTKIOPOSTGRESQL_EXPORT void vtkIOPostgreSQL_AutoInit_Construct()
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{
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if (++vtkIOPostgreSQLCount == 1)
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{
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vtkSQLDatabase::RegisterCreateFromURLCallback(PostgreSQLCreateFunction);
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}
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}
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