1 // Copyright (C) 2006-2012 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include "DynLibLoaderWin.hxx"
24 using namespace YACS::BASES;
26 const char DynLibLoaderWin::_extForDynLib[]=".dll";
28 DynLibLoaderWin::DynLibLoaderWin(const std::string& libNameWithoutExtension):_libName(libNameWithoutExtension),
33 DynLibLoaderWin::~DynLibLoaderWin()
35 if(_handleOnLoadedLib)
36 FreeLibrary(_handleOnLoadedLib);
39 bool DynLibLoaderWin::isLibFileFindable() const
44 std::string DynLibLoaderWin::getLibNameWithoutExt() const
50 Append a directory with name \b dirName to the searching paths.
51 \return If append succeeds 0 is returned.
52 If the directory does not exists 1 is returned.
53 If the addition of directory causes some troubles due to seach paths name 2 is returned.
55 int DynLibLoaderWin::appendDirInSearchPath(const std::string& dirName)
61 Removes a directory with name \b dirName from the searching paths.
62 \return If removal succeeds 0 is returned.
63 If the directory does not exists 1 is returned.
64 If the path were not already in existing paths 2 is returned.
66 int DynLibLoaderWin::removeDirInSearchPath(const std::string& dirName)
71 void *DynLibLoaderWin::getHandleOnSymbolWithName(const std::string& symbName, bool stopOnError)
73 if(!_handleOnLoadedLib)
74 if(!isLibFileFindable())
76 std::cerr << "Dynamic library with name " << symbName << _extForDynLib;
77 std::cerr << " not existing in paths specified" << std::endl;
82 return resolveSymb(symbName, stopOnError);
85 bool DynLibLoaderWin::load()
87 std::string fullLibName(_libName);
88 fullLibName+=_extForDynLib;
89 _handleOnLoadedLib=LoadLibrary(fullLibName.c_str());
90 return _handleOnLoadedLib != NULL;
93 bool DynLibLoaderWin::unload()
95 if (_handleOnLoadedLib)
97 FreeLibrary(_handleOnLoadedLib);
98 _handleOnLoadedLib = NULL;
103 bool DynLibLoaderWin::reload()
109 void *DynLibLoaderWin::resolveSymb(const std::string& symbName, bool stopOnError)
111 void *ret=(void*)GetProcAddress(_handleOnLoadedLib,symbName.c_str());
112 char *message="Not available here !";
113 if(stopOnError && (NULL != message))
115 std::cerr << "Error detected on symbol " << symbName << " search in library with name " << _libName << _extForDynLib;
116 std::cerr << " with the following internal message"<< std::endl;
117 std::cerr << message << std::endl;
124 const char *DynLibLoaderWin::getExtensionForDynLib()
126 return _extForDynLib+1;