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/******************************************************************************
* SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4 *
* (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. *
* *
* This library 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 Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*******************************************************************************
* SOFA :: Framework *
* *
* Authors: M. Adam, J. Allard, B. Andre, P-J. Bensoussan, S. Cotin, C. Duriez,*
* H. Delingette, F. Falipou, F. Faure, S. Fonteneau, L. Heigeas, C. Mendoza, *
* M. Nesme, P. Neumann, J-P. de la Plata Alcade, F. Poyer and F. Roy *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
//========================================================
// Yet another command line parser.
// Francois Faure, iMAGIS-GRAVIR, May 2001
//========================================================
#include "ArgumentParser.h"
namespace sofa
{
namespace helper
{
typedef std::istringstream istrstream;
ArgumentBase::ArgumentBase(char s, string l, string h, bool m)
: shortName(s)
, longName(l)
, help(h)
, mandatory(m)
, isSet(false)
{}
/// Base destructor: does nothing.
ArgumentBase::~ArgumentBase()
{}
/// print short name, long name, help
void ArgumentBase::print () const
{
std::cout << "-" << shortName <<",\t--"<< longName <<":\t" << help;
if( mandatory ) std::cout<< " (required) ";
std::cout << " (default: "; printValue();
std::cout << ")" << std::endl;
}
//========================================================================
/// Constructor using a global help string
ArgumentParser::ArgumentParser( const string& helpstr, char hlpShrt, const string& hlpLng )
: files(NULL)
, globalHelp( helpstr )
, helpShortName(hlpShrt)
, helpLongName(hlpLng)
{}
/// Constructor using a global help string and a list of filenames
ArgumentParser::ArgumentParser( std::vector<std::string>* files, const string& helpstr, char hlpShrt, const string& hlpLng )
: files(files)
, globalHelp( helpstr )
, helpShortName(hlpShrt)
, helpLongName(hlpLng)
{}
/// Constructor using a global help string
ArgumentParser::~ArgumentParser()
{
for( ArgVec::const_iterator a=commands.begin(), aend=commands.end(); a!=aend; ++a )
delete (*a);
}
/** Parse a command line
\param argc number of arguments + 1, as usual in C
\param argv arguments
*/
void ArgumentParser::operator () ( int argc, char** argv )
{
std::list<std::string> str;
for (int i=1;i<argc;++i)
str.push_back(std::string(argv[i]));
(*this)(str);
}
void ArgumentParser::operator () ( std::list<std::string> str )
{
string shHelp("-"); shHelp.push_back( helpShortName );
string lgHelp("--"); lgHelp.append( helpLongName );
string name;
while( !str.empty() ){
name = str.front();
str.pop_front();
// std::cout << "name = " << name << std::endl;
// std::cout << "lgHelp = " << lgHelp << std::endl;
// std::cout << "shHelp = " << shHelp << std::endl;
// display help
if( name == shHelp || name == lgHelp )
{
if( globalHelp.size()>0 ) std::cout<< globalHelp <<std::endl;
std::cout << "(short name, long name, description, default value)\n-h,\t--help: this help" << std::endl;
for( ArgVec::const_iterator a=commands.begin(), aend=commands.end(); a!=aend; ++a )
(*a)->print();
if( files )
std::cout << "others: file names" << std::endl;
exit(1);
}
// not an option
else if( files && name[0]!='-' ){
files->push_back(name);
}
// indicating the next argument is not an option
else if( files && name=="--" ){
files->push_back(str.front());
str.pop_front();
}
// long name
else if( name.length() > 1 && name[0]=='-' && name[1]=='-' ){
string a;
for( unsigned int i=2; i<name.length(); ++i ){
a += name[i];
}
if( longName.find(a) != longName.end() ){
if( !(longName[ a ]->read( str )))
std::cerr<< "\ncould not read value for option " << name << std::endl << std::endl;
else parameter_set[longName[ a ]] = true;
}
else std::cerr << "\nUnknown option " << name << std::endl << std::endl;
}
// short names (possibly concatenated)
else if( name.length() > 1 && name[0]=='-' && name[1]!='-' ){
for( unsigned int i=1; i<name.length(); ++i ){
char a = name[i];
if( shortName.find(a) != shortName.end() ){
if( !(shortName[ a ]->read( str )))
std::cerr<< "\ncould not read value for option " << name << std::endl << std::endl;
else parameter_set[shortName[ a ]] = true;
}
else std::cerr << "\nUnknown option " << name[i] << std::endl << std::endl;
}
}
//
else std::cerr << "Unknown option " << name << std::endl;
}
// Unset mandatory arguments ?
bool unset = false;
for( ArgVec::const_iterator cm = commands.begin(), cmend=commands.end(); cm != cmend; ++cm )
{
if( (*cm)->mandatory && !(*cm)->isSet ){
if( !unset )
{
std::cout << "Please set the following parameters: (short name, long name, description)" << std::endl;
unset = true;
}
(*cm)->print();
}
}
if( unset ) exit(1);
}
} // namespace helper
} // namespace sofa
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