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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 :: Modules *
* *
* Authors: The SOFA Team and external contributors (see Authors.txt) *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#include <sofa/simulation/tree/TreeSimulation.h>
#include <sofa/simulation/tree/DeleteVisitor.h>
#include <sofa/simulation/common/FindByTypeVisitor.h>
#include <sofa/simulation/common/CleanupVisitor.h>
#include <sofa/core/ObjectFactory.h>
#include <sofa/helper/system/PipeProcess.h>
#include <sofa/helper/system/SetDirectory.h>
#include <sofa/helper/system/FileRepository.h>
#include <fstream>
#include <string.h>
#ifndef WIN32
#include <locale.h>
#endif
namespace sofa
{
namespace simulation
{
namespace tree
{
using namespace sofa::defaulttype;
Simulation* getSimulation()
{
if ( simulation::Simulation::theSimulation==NULL )
setSimulation( new TreeSimulation );
return simulation::getSimulation();
}
/// Load a scene from a file
Node* TreeSimulation::processXML(xml::BaseElement* xml, const char *filename)
{
if ( xml==NULL )
{
return NULL;
}
// We go the the current file's directory so that all relative path are correct
helper::system::SetDirectory chdir ( filename );
#ifndef WIN32
// Reset local settings to make sure that floating-point values are interpreted correctly
setlocale(LC_ALL,"C");
setlocale(LC_NUMERIC,"C");
#endif
// std::cout << "Initializing objects"<<std::endl;
if ( !xml->init() )
{
std::cerr << "Objects initialization failed."<<std::endl;
}
GNode* root = dynamic_cast<GNode*> ( xml->getObject() );
if ( root == NULL )
{
std::cerr << "Objects initialization failed."<<std::endl;
delete xml;
return NULL;
}
// std::cout << "Initializing simulation "<<root->getName() <<std::endl;
// Find the Simulation component in the scene
FindByTypeVisitor<Simulation> findSimu;
findSimu.execute(root);
if( !findSimu.found.empty() )
setSimulation( findSimu.found[0] );
// As mappings might be initialized after visual models, it is necessary to update them
// BUGFIX (Jeremie A.): disabled as initTexture was not called yet, and the GUI might not even be up yet
//root->execute<VisualUpdateVisitor>();
return root;
}
/// Load from a string in memory
Node* TreeSimulation::loadFromMemory ( const char *filename, const char *data, unsigned int size )
{
//::sofa::simulation::init();
// std::cerr << "Loading simulation XML file "<<filename<<std::endl;
xml::BaseElement* xml = xml::loadFromMemory (filename, data, size );
Node* root = processXML(xml, filename);
// std::cout << "load done."<<std::endl;
delete xml;
return root;
}
/// Load a scene from a file
Node* TreeSimulation::loadFromFile ( const char *filename )
{
//::sofa::simulation::init();
// std::cerr << "Loading simulation XML file "<<filename<<std::endl;
xml::BaseElement* xml = xml::loadFromFile ( filename );
Node* root = processXML(xml, filename);
// std::cout << "load done."<<std::endl;
delete xml;
return root;
}
/// Load a scene
Node* TreeSimulation::load ( const char *filename )
{
std::string ext = sofa::helper::system::SetDirectory::GetExtension(filename);
if (ext == "php" || ext == "pscn")
{
std::string out="",error="";
std::vector<std::string> args;
//TODO : replace when PipeProcess will get file as stdin
//at the moment, the filename is given as an argument
args.push_back(std::string("-f" + std::string(filename)));
//args.push_back("-w");
std::string newFilename="";
//std::string newFilename=filename;
helper::system::FileRepository fp("PATH", ".");
#ifdef WIN32
std::string command = "php.exe";
#else
std::string command = "php";
#endif
if (!fp.findFile(command,""))
{
std::cerr << "TreeSimulation : Error : php not found in your PATH environment" << std::endl;
return NULL;
}
sofa::helper::system::PipeProcess::executeProcess(command.c_str(), args, newFilename, out, error);
if(error != "")
{
std::cerr << "TreeSimulation : load : "<< error << std::endl;
if (out == "")
return NULL;
}
return loadFromMemory(filename, out.c_str(), out.size());
}
if (ext == "scn" || ext == "xml")
{
return loadFromFile(filename);
}
std::cerr << "TreeSimulation : Error : extension not handled" << std::endl;
return NULL;
}
/// Delete a scene from memory. After this call the pointer is invalid
void TreeSimulation::unload ( Node* root )
{
GNode *groot = dynamic_cast<GNode*>(root);
if ( !groot ) return;
instruments.clear();
instrumentInUse.setValue(-1);
groot->execute<CleanupVisitor>();
groot->execute<DeleteVisitor>();
if ( groot->getParent() !=NULL )
groot->getParent()->removeChild ( groot );
delete groot;
}
/// Create a new node
Node* TreeSimulation::newNode(const std::string& name)
{
return new GNode(name);
}
SOFA_DECL_CLASS ( TreeSimulation );
// Register in the Factory
int TreeSimulationClass = core::RegisterObject ( "Main simulation algorithm, based on tree graph" )
.add< TreeSimulation >()
;
} // namespace tree
} // namespace simulation
} // namespace sofa
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