0024530: TKMesh - remove unused package IntPoly
[occt.git] / src / Plugin / Plugin.cxx
CommitLineData
b311480e 1// Created on: 1997-03-06
2// Created by: Mister rmi
3// Copyright (c) 1997-1999 Matra Datavision
973c2be1 4// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 5//
973c2be1 6// This file is part of Open CASCADE Technology software library.
b311480e 7//
973c2be1 8// This library is free software; you can redistribute it and / or modify it
9// under the terms of the GNU Lesser General Public version 2.1 as published
10// by the Free Software Foundation, with special exception defined in the file
11// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12// distribution for complete text of the license and disclaimer of any warranty.
b311480e 13//
973c2be1 14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
7fd59977 16
17#include <Plugin.ixx>
18#include <Plugin_MapOfFunctions.hxx>
19#include <OSD_SharedLibrary.hxx>
20#include <Resource_Manager.hxx>
21#include <Plugin_Failure.hxx>
22
23#include <TCollection_AsciiString.hxx>
24
25static Standard_Character tc[1000];
26static Standard_PCharacter thePluginId = tc;
27
28
29//=======================================================================
30//function : Load
31//purpose :
32//=======================================================================
33Handle(Standard_Transient) Plugin::Load(const Standard_GUID& aGUID)
34{
35
36 aGUID.ToCString(thePluginId);
37 TCollection_AsciiString pid(thePluginId);
38 static Plugin_MapOfFunctions theMapOfFunctions;
39 OSD_Function f;
40
41 if(!theMapOfFunctions.IsBound(pid)) {
42
43 Handle(Resource_Manager) PluginResource = new Resource_Manager("Plugin");
44 TCollection_AsciiString theResource(thePluginId);
45 theResource += ".Location";
46
47 if(!PluginResource->Find(theResource.ToCString())) {
48 Standard_SStream aMsg; aMsg << "could not find the resource:";
49 aMsg << theResource.ToCString()<< endl;
50 cout << "could not find the resource:"<<theResource.ToCString()<< endl;
51 Plugin_Failure::Raise(aMsg);
52 }
53
54 TCollection_AsciiString thePluginLibrary("");
55#ifndef WNT
56 thePluginLibrary += "lib";
57#endif
58 thePluginLibrary += PluginResource->Value(theResource.ToCString());
59#ifdef WNT
60 thePluginLibrary += ".dll";
61#elif defined(__APPLE__)
62 thePluginLibrary += ".dylib";
63#elif defined (HPUX) || defined(_hpux)
64 thePluginLibrary += ".sl";
65#else
66 thePluginLibrary += ".so";
67#endif
68 OSD_SharedLibrary theSharedLibrary(thePluginLibrary.ToCString());
69 if(!theSharedLibrary.DlOpen(OSD_RTLD_LAZY)) {
70 TCollection_AsciiString error(theSharedLibrary.DlError());
71 Standard_SStream aMsg; aMsg << "could not open:";
72 aMsg << PluginResource->Value(theResource.ToCString());
73 aMsg << "; reason:";
74 aMsg << error.ToCString();
75 cout << "could not open: " << PluginResource->Value(theResource.ToCString())<< " ; reason: "<< error.ToCString() << endl;
76 Plugin_Failure::Raise(aMsg);
77 }
78 f = theSharedLibrary.DlSymb("PLUGINFACTORY");
79 if( f == NULL ) {
80 TCollection_AsciiString error(theSharedLibrary.DlError());
81 Standard_SStream aMsg; aMsg << "could not find the factory in:";
82 aMsg << PluginResource->Value(theResource.ToCString());
83 aMsg << error.ToCString();
84 Plugin_Failure::Raise(aMsg);
85 }
86 theMapOfFunctions.Bind(pid,f);
87 }
88 else
89 f = theMapOfFunctions(pid);
90
91 Handle(Standard_Transient) (*fp) (const Standard_GUID&) = NULL;
92 fp = (Handle(Standard_Transient) (*)(const Standard_GUID&)) f;
93 Handle(Standard_Transient) theServiceFactory = (*fp) (aGUID);
94 return theServiceFactory;
95
96}
97