FreeCAD/src/Main/MainPy.cpp
2016-01-05 16:43:33 +01:00

170 lines
5.9 KiB
C++

/***************************************************************************
* (c) Juergen Riegel (juergen.riegel@web.de) 2008 *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library General Public License (LGPL) *
* as published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* for detail see the LICENCE text file. *
* *
* FreeCAD is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with FreeCAD; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
* USA *
* *
* Juergen Riegel 2002 *
***************************************************************************/
#include <FCConfig.h>
#ifdef _PreComp_
# undef _PreComp_
#endif
#ifdef FC_OS_LINUX
# include <unistd.h>
#endif
#ifdef FC_OS_MACOSX
# include <mach-o/dyld.h>
# include <string>
#endif
#if HAVE_CONFIG_H
# include <config.h>
#endif // HAVE_CONFIG_H
#include <stdio.h>
#include <sstream>
// FreeCAD Base header
#include <Base/Exception.h>
#include <App/Application.h>
#if defined(FC_OS_WIN32)
# include <windows.h>
/** DllMain is called when DLL is loaded
*/
BOOL APIENTRY DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
{
switch (ul_reason_for_call) {
case DLL_PROCESS_ATTACH: {
// This name is preliminary, we pass it to Application::init() in initFreeCAD()
// which does the rest.
char szFileName [MAX_PATH];
GetModuleFileName((HMODULE)hModule, szFileName, MAX_PATH-1);
App::Application::Config()["AppHomePath"] = szFileName;
}
break;
default:
break;
}
return true;
}
#elif defined(FC_OS_LINUX)
# ifndef GNU_SOURCE
# define GNU_SOURCE
# endif
# include <dlfcn.h>
#elif defined(FC_OS_CYGWIN)
# include <windows.h>
#endif
#ifdef FC_OS_WIN32
# define MainExport __declspec(dllexport)
#else
# define MainExport
#endif
extern "C"
{
void MainExport initFreeCAD() {
// Init phase ===========================================================
App::Application::Config()["ExeName"] = "FreeCAD";
App::Application::Config()["ExeVendor"] = "FreeCAD";
App::Application::Config()["AppDataSkipVendor"] = "true";
int argc=1;
char** argv;
argv = (char**)malloc(sizeof(char*)* (argc+1));
#if defined(FC_OS_WIN32)
argv[0] = (char*)malloc(MAX_PATH);
strncpy(argv[0],App::Application::Config()["AppHomePath"].c_str(),MAX_PATH);
argv[0][MAX_PATH-1] = '\0'; // ensure null termination
#elif defined(FC_OS_CYGWIN)
HMODULE hModule = GetModuleHandle("FreeCAD.dll");
char szFileName [MAX_PATH];
GetModuleFileName(hModule, szFileName, MAX_PATH-1);
argv[0] = (char*)malloc(MAX_PATH);
strncpy(argv[0],szFileName,MAX_PATH);
argv[0][MAX_PATH-1] = '\0'; // ensure null termination
#elif defined(FC_OS_LINUX)
putenv("LANG=C");
putenv("LC_ALL=C");
// get whole path of the library
Dl_info info;
int ret = dladdr((void*)initFreeCAD, &info);
if ((ret == 0) || (!info.dli_fname)) {
PyErr_SetString(PyExc_ImportError, "Cannot get path of the FreeCAD module!");
return;
}
argv[0] = (char*)malloc(PATH_MAX);
strncpy(argv[0], info.dli_fname,PATH_MAX);
argv[0][PATH_MAX-1] = '\0'; // ensure null termination
// this is a workaround to avoid a crash in libuuid.so
#elif defined(FC_OS_MACOSX)
uint32_t sz = 0;
char *buf;
_NSGetExecutablePath(NULL, &sz);
buf = (char*) malloc(++sz);
int err=_NSGetExecutablePath(buf, &sz);
if (err != 0) {
PyErr_SetString(PyExc_ImportError, "Cannot get path of the FreeCAD module!");
return;
}
argv[0] = (char*)malloc(PATH_MAX);
strncpy(argv[0], buf, PATH_MAX);
argv[0][PATH_MAX-1] = '\0'; // ensure null termination
free(buf);
#else
# error "Implement: Retrieve the path of the module for your platform."
#endif
argv[argc] = 0;
try {
// Inits the Application
App::Application::init(argc,argv);
}
catch (const Base::Exception& e) {
std::string appName = App::Application::Config()["ExeName"];
std::stringstream msg;
msg << "While initializing " << appName << " the following exception occurred: '"
<< e.what() << "'\n\n";
msg << "\nPlease contact the application's support team for more information.\n\n";
printf("Initialization of %s failed:\n%s", appName.c_str(), msg.str().c_str());
}
free(argv[0]);
free(argv);
return;
} //InitFreeCAD....
} // extern "C"