96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
/*
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BasicSetup - elementary self-configuration of the application
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Copyright (C) Lumiera.org
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2011, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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#include "common/basic-setup.hpp"
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#include "lib/searchpath.hpp"
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#include "lib/error.hpp"
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#include "lib/util.hpp"
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extern "C" {
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#include <unistd.h>
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}
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#include <boost/filesystem.hpp>
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#include <iostream>
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#include <fstream>
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namespace lumiera {
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using std::string;
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using std::ifstream;
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namespace fsys = boost::filesystem;
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namespace opt = boost::program_options;
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namespace { // details of the bootstrap process...
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// Helper to locate a module using a search path spec
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using lib::resolveModulePath;
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/** use the general mechanism for resolving a search path
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* to get the absolute path of the \c setup.ini */
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string
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resolve (fsys::path iniSpec)
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{
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string file = iniSpec.leaf();
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string searchpath = iniSpec.branch_path().string();
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return resolveModulePath (file, searchpath);
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}
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}//(End) implementation details
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/**
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* Creating the BasicSetup object performs the
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* initial self-configuration of the Lumiera Application.
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* For this, the \c setup.ini file is located relative to the
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* current application executable, read in and parsed into a
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* map of setup variables.
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*/
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BasicSetup::BasicSetup (string bootstrapIni)
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: syntax("Lumiera installation and platform configuration")
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, settings()
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{
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syntax.add_options()
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("BuildsystemDemo.gui", opt::value<string>(),
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"name of the Lumiera GUI plugin to load")
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("BuildsystemDemo.modulepath", opt::value<string>(),
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"search path for loadable modules. "
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"May us $ORIGIN to refer to the EXE location")
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;
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ifstream configIn (resolve(bootstrapIni).c_str());
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opt::parsed_options parsed =
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opt::parse_config_file (configIn, syntax);
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opt::store (parsed, settings);
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opt::notify(settings);
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}
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} // namespace lumiera
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