1 // Copyright (C) 2005 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
2 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
4 // This library is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU Lesser General Public
6 // License as published by the Free Software Foundation; either
7 // version 2.1 of the License.
9 // This library is distributed in the hope that it will be useful
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // Lesser General Public License for more details.
14 // You should have received a copy of the GNU Lesser General Public
15 // License along with this library; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 // See http://www.salome-platform.org/
21 #include <Standard_Stream.hxx>
23 #include <GEOMImpl_ExportDriver.hxx>
24 #include <GEOMImpl_IImportExport.hxx>
25 #include <GEOMImpl_Types.hxx>
26 #include <GEOM_Function.hxx>
28 #include <TopoDS_Shape.hxx>
29 #include <TCollection_AsciiString.hxx>
31 #include <Standard_ConstructionError.hxx>
40 #define LibHandle HMODULE
41 #define LoadLib( name ) LoadLibrary( name )
42 #define GetProc GetProcAddress
43 #define UnLoadLib( handle ) FreeLibrary( handle );
45 #define LibHandle void*
46 #define LoadLib( name ) dlopen( name, RTLD_LAZY )
48 #define UnLoadLib( handle ) dlclose( handle );
51 typedef int (*funcPoint)(const TopoDS_Shape&, const TCollection_AsciiString&);
53 //=======================================================================
56 //=======================================================================
57 const Standard_GUID& GEOMImpl_ExportDriver::GetID()
59 static Standard_GUID aExportDriver("FF1BBB58-5D14-4df2-980B-3A668264EA16");
64 //=======================================================================
65 //function : GEOMImpl_ExportDriver
67 //=======================================================================
68 GEOMImpl_ExportDriver::GEOMImpl_ExportDriver()
72 //=======================================================================
75 //=======================================================================
76 Standard_Integer GEOMImpl_ExportDriver::Execute(TFunction_Logbook& log) const
78 if (Label().IsNull()) return 0;
79 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
81 GEOMImpl_IImportExport aCI (aFunction);
83 // retrieve the being exported shape
85 Handle(GEOM_Function) aRefFunction = aCI.GetOriginal();
86 if (aRefFunction.IsNull()) return 0;
87 aShape = aRefFunction->GetValue();
88 if (aShape.IsNull()) return 0;
89 // !!! set the result of function to be used by next operations
90 aFunction->SetValue(aShape);
92 // retrieve the file and format names
93 TCollection_AsciiString aFileName = aCI.GetFileName();
94 TCollection_AsciiString aLibName = aCI.GetPluginName();
95 if (aFileName.IsEmpty() || aLibName.IsEmpty())
98 // load plugin library
99 LibHandle anExportLib = LoadLib( aLibName.ToCString() );
102 fp = (funcPoint)GetProc( anExportLib, "Export" );
107 // perform the export
108 int res = fp( aShape, aFileName );
110 // unload plugin library
111 UnLoadLib( anExportLib );
113 log.SetTouched(Label());
119 //=======================================================================
120 //function : GEOMImpl_ExportDriver_Type_
122 //=======================================================================
123 Standard_EXPORT Handle_Standard_Type& GEOMImpl_ExportDriver_Type_()
126 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
127 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
128 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
129 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
130 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
131 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
134 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
135 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_ExportDriver",
136 sizeof(GEOMImpl_ExportDriver),
138 (Standard_Address)_Ancestors,
139 (Standard_Address)NULL);
144 //=======================================================================
145 //function : DownCast
147 //=======================================================================
148 const Handle(GEOMImpl_ExportDriver) Handle(GEOMImpl_ExportDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
150 Handle(GEOMImpl_ExportDriver) _anOtherObject;
152 if (!AnObject.IsNull()) {
153 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_ExportDriver))) {
154 _anOtherObject = Handle(GEOMImpl_ExportDriver)((Handle(GEOMImpl_ExportDriver)&)AnObject);
158 return _anOtherObject ;