LUMIERA.clone/src/common/option.cpp

163 lines
4.5 KiB
C++

/*
Option - handle cmdline for starting the Lumiera application
Copyright (C) Lumiera.org
2008, Hermann Vosseler <Ichthyostega@web.de>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* *****************************************************/
#include "common/option.hpp"
#include "lib/error.hpp"
#include "lib/util.hpp"
typedef boost::program_options::options_description Syntax;
typedef boost::program_options::variables_map VarMap;
namespace op = boost::program_options;
using util::VectS;
using util::cStr;
namespace lumiera {
/** set up an options parser to use the application commandline.
* Recognises the following options
* \code
* --help
* [--session] FILENAME
* --script FILENAME
* --headless
* --port #
* \endcode
* @todo describe the actual options
*/
Option::Option (util::Cmdline& cmdline)
: syntax("Lumiera, the non linear video editor. Supported parameters"),
parameters()
{
syntax.add_options()
("help,h", "produce help message")
("session,f", op::value<string>(),
"session file to load (UNIMPLEMENTED)")
("script,s", op::value<VectS>(),
"execute the given LUA script (UNIMPLEMENTED)")
("headless", op::bool_switch(),
"start without GUI")
("port,p", op::value<int>(),
"open renderfarm node at given port (UNIMPLEMENTED)")
("define,def,D",op::value<VectS>(),
"enter definition into config system (UNIMPLEMENTED)")
;
// the name of an session file to open...
op::positional_options_description posopt;
posopt.add("session", 1); // ... can be given as 1st positional parameter
op::parsed_options parsed =
op::command_line_parser (cmdline)
.options (syntax)
.positional(posopt)
.allow_unregistered()
.run();
op::store (parsed, parameters);
op::notify(parameters);
// remove all recognised options from original cmdline vector
cmdline = op::collect_unrecognized(parsed.options, op::include_positional);
if (isHelp())
{
std::cerr << *this;
exit(-1);
}
if (isConfigDefs())
{
UNIMPLEMENTED ("feed definitions from commandline to Config system");
}
}
/** syntax help requested? */
bool Option::isHelp () { return (parameters.count("help")); }
/** should an existing session file be loaded? */
bool Option::isOpenSession () { return (parameters.count ("session")); }
/** additional Config defs to fed to config system? */
bool Option::isConfigDefs () { return (parameters.count ("define")); }
/** @return the name of the session file to open */
const string
Option::getSessName ()
{
ASSERT (parameters.count ("session"));
return parameters["session"].as<string>();
}
/** @return an (maybe empty) vector
* containing all specified scripts to run. */
const VectS
Option::getScripts ()
{
return parameters["script"].as<VectS>();
}
/** @return an (maybe empty) vector
* containing any additional Config definitions to set. */
const VectS
Option::getConfigDefs ()
{
return parameters["define"].as<VectS>();
}
/** @return \c true if --headless switch was given */
bool
Option::isHeadless ()
{
return parameters["headless"].as<bool>();
}
/** @return the port number for a render node server
* or 0 if --port was not specified */
int
Option::getPort ()
{
if (parameters.count ("port"))
return parameters["port"].as<int>();
else
return 0;
}
ostream&
operator<< (ostream& os, const Option& ops)
{
return os << ops.syntax;
}
} // namespace lumiera