| 7fd59977 |
1 | // File: Plugin.cxx |
| 2 | // Created: Thu Mar 6 15:49:00 1997 |
| 3 | // Author: Mister rmi |
| 4 | // <rmi@frilox.paris1.matra-dtv.fr> |
| 5 | |
| 6 | |
| 7 | #include <Plugin.ixx> |
| 8 | #include <Plugin_MapOfFunctions.hxx> |
| 9 | #include <OSD_SharedLibrary.hxx> |
| 10 | #include <Resource_Manager.hxx> |
| 11 | #include <Plugin_Failure.hxx> |
| 12 | |
| 13 | #include <TCollection_AsciiString.hxx> |
| 14 | |
| 15 | static Standard_Character tc[1000]; |
| 16 | static Standard_PCharacter thePluginId = tc; |
| 17 | |
| 18 | |
| 19 | //======================================================================= |
| 20 | //function : Load |
| 21 | //purpose : |
| 22 | //======================================================================= |
| 23 | Handle(Standard_Transient) Plugin::Load(const Standard_GUID& aGUID) |
| 24 | { |
| 25 | |
| 26 | aGUID.ToCString(thePluginId); |
| 27 | TCollection_AsciiString pid(thePluginId); |
| 28 | static Plugin_MapOfFunctions theMapOfFunctions; |
| 29 | OSD_Function f; |
| 30 | |
| 31 | if(!theMapOfFunctions.IsBound(pid)) { |
| 32 | |
| 33 | Handle(Resource_Manager) PluginResource = new Resource_Manager("Plugin"); |
| 34 | TCollection_AsciiString theResource(thePluginId); |
| 35 | theResource += ".Location"; |
| 36 | |
| 37 | if(!PluginResource->Find(theResource.ToCString())) { |
| 38 | Standard_SStream aMsg; aMsg << "could not find the resource:"; |
| 39 | aMsg << theResource.ToCString()<< endl; |
| 40 | cout << "could not find the resource:"<<theResource.ToCString()<< endl; |
| 41 | Plugin_Failure::Raise(aMsg); |
| 42 | } |
| 43 | |
| 44 | TCollection_AsciiString thePluginLibrary(""); |
| 45 | #ifndef WNT |
| 46 | thePluginLibrary += "lib"; |
| 47 | #endif |
| 48 | thePluginLibrary += PluginResource->Value(theResource.ToCString()); |
| 49 | #ifdef WNT |
| 50 | thePluginLibrary += ".dll"; |
| 51 | #elif defined(__APPLE__) |
| 52 | thePluginLibrary += ".dylib"; |
| 53 | #elif defined (HPUX) || defined(_hpux) |
| 54 | thePluginLibrary += ".sl"; |
| 55 | #else |
| 56 | thePluginLibrary += ".so"; |
| 57 | #endif |
| 58 | OSD_SharedLibrary theSharedLibrary(thePluginLibrary.ToCString()); |
| 59 | if(!theSharedLibrary.DlOpen(OSD_RTLD_LAZY)) { |
| 60 | TCollection_AsciiString error(theSharedLibrary.DlError()); |
| 61 | Standard_SStream aMsg; aMsg << "could not open:"; |
| 62 | aMsg << PluginResource->Value(theResource.ToCString()); |
| 63 | aMsg << "; reason:"; |
| 64 | aMsg << error.ToCString(); |
| 65 | cout << "could not open: " << PluginResource->Value(theResource.ToCString())<< " ; reason: "<< error.ToCString() << endl; |
| 66 | Plugin_Failure::Raise(aMsg); |
| 67 | } |
| 68 | f = theSharedLibrary.DlSymb("PLUGINFACTORY"); |
| 69 | if( f == NULL ) { |
| 70 | TCollection_AsciiString error(theSharedLibrary.DlError()); |
| 71 | Standard_SStream aMsg; aMsg << "could not find the factory in:"; |
| 72 | aMsg << PluginResource->Value(theResource.ToCString()); |
| 73 | aMsg << error.ToCString(); |
| 74 | Plugin_Failure::Raise(aMsg); |
| 75 | } |
| 76 | theMapOfFunctions.Bind(pid,f); |
| 77 | } |
| 78 | else |
| 79 | f = theMapOfFunctions(pid); |
| 80 | |
| 81 | Handle(Standard_Transient) (*fp) (const Standard_GUID&) = NULL; |
| 82 | fp = (Handle(Standard_Transient) (*)(const Standard_GUID&)) f; |
| 83 | Handle(Standard_Transient) theServiceFactory = (*fp) (aGUID); |
| 84 | return theServiceFactory; |
| 85 | |
| 86 | } |
| 87 | |
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