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#include "uscxml/Common.h"
#include "uscxml/config.h"
#include "uscxml/Factory.h"
#include "uscxml/Message.h"
#include <glog/logging.h>
#ifdef BUILD_AS_PLUGINS
# include "uscxml/plugins/Plugins.h"
#else
# include "uscxml/plugins/ioprocessor/basichttp/libevent/EventIOProcessor.h"
# include "uscxml/plugins/invoker/scxml/USCXMLInvoker.h"
# include "uscxml/plugins/invoker/heartbeat/HeartbeatInvoker.h"
# ifdef UMUNDO_FOUND
# include "uscxml/plugins/invoker/umundo/UmundoInvoker.h"
# endif
# ifdef OPENSCENEGRAPH_FOUND
# include "uscxml/plugins/invoker/graphics/openscenegraph/OSGInvoker.h"
# endif
# ifdef MILES_FOUND
# include "uscxml/plugins/invoker/modality/miles/SpatialAudio.h"
# endif
# ifdef V8_FOUND
# include "uscxml/plugins/datamodel/ecmascript/v8/V8DataModel.h"
# endif
# ifdef SWI_FOUND
# include "uscxml/plugins/datamodel/prolog/swi/SWIDataModel.h"
# endif
#endif
namespace uscxml {
Factory::Factory() {
#ifdef BUILD_AS_PLUGINS
if (pluginPath.length() == 0) {
// try to read USCXML_PLUGIN_PATH environment variable
pluginPath = (getenv("USCXML_PLUGIN_PATH") != NULL ? getenv("USCXML_PLUGIN_PATH") : "");
}
if (pluginPath.length() > 0) {
pluma.acceptProviderType<InvokerProvider>();
pluma.acceptProviderType<IOProcessorProvider>();
pluma.acceptProviderType<DataModelProvider>();
pluma.loadFromFolder(pluginPath);
std::vector<InvokerProvider*> invokerProviders;
pluma.getProviders(invokerProviders);
for (std::vector<InvokerProvider*>::iterator it = invokerProviders.begin() ; it != invokerProviders.end() ; ++it) {
Invoker* invoker = (*it)->create();
registerInvoker(invoker);
}
std::vector<IOProcessorProvider*> ioProcessorProviders;
pluma.getProviders(ioProcessorProviders);
for (std::vector<IOProcessorProvider*>::iterator it = ioProcessorProviders.begin() ; it != ioProcessorProviders.end() ; ++it) {
IOProcessor* ioProcessor = (*it)->create();
registerIOProcessor(ioProcessor);
}
std::vector<DataModelProvider*> dataModelProviders;
pluma.getProviders(dataModelProviders);
for (std::vector<DataModelProvider*>::iterator it = dataModelProviders.begin() ; it != dataModelProviders.end() ; ++it) {
DataModel* dataModel = (*it)->create();
registerDataModel(dataModel);
}
}
#else
#ifdef UMUNDO_FOUND
{
UmundoInvoker* invoker = new UmundoInvoker();
registerInvoker(invoker);
}
#endif
#ifdef MILES_FOUND
{
SpatialAudio* invoker = new SpatialAudio();
registerInvoker(invoker);
}
#endif
#ifdef OPENSCENEGRAPH_FOUND
{
OSGInvoker* invoker = new OSGInvoker();
registerInvoker(invoker);
}
#endif
#ifdef V8_FOUND
{
V8DataModel* dataModel = new V8DataModel();
registerDataModel(dataModel);
}
#endif
#ifdef SWI_FOUND
{
SWIDataModel* dataModel = new SWIDataModel();
registerDataModel(dataModel);
}
#endif
// these are always available
{
USCXMLInvoker* invoker = new USCXMLInvoker();
registerInvoker(invoker);
}
{
HeartbeatInvoker* invoker = new HeartbeatInvoker();
registerInvoker(invoker);
}
{
EventIOProcessor* ioProcessor = new EventIOProcessor();
registerIOProcessor(ioProcessor);
}
#endif
}
Factory::~Factory() {
#ifdef BUILD_AS_PLUGINS
pluma.unloadAll();
#endif
}
void Factory::registerIOProcessor(IOProcessorImpl* ioProcessor) {
std::set<std::string> names = ioProcessor->getNames();
std::set<std::string>::iterator nameIter = names.begin();
if (nameIter != names.end()) {
std::string canonicalName = *nameIter;
_ioProcessors[canonicalName] = ioProcessor;
while(nameIter != names.end()) {
_ioProcessorAliases[*nameIter] = canonicalName;
nameIter++;
}
}
}
void Factory::registerDataModel(DataModelImpl* dataModel) {
std::set<std::string> names = dataModel->getNames();
std::set<std::string>::iterator nameIter = names.begin();
if (nameIter != names.end()) {
std::string canonicalName = *nameIter;
_dataModels[canonicalName] = dataModel;
while(nameIter != names.end()) {
_dataModelAliases[*nameIter] = canonicalName;
nameIter++;
}
}
}
void Factory::registerInvoker(InvokerImpl* invoker) {
std::set<std::string> names = invoker->getNames();
std::set<std::string>::iterator nameIter = names.begin();
if (nameIter != names.end()) {
std::string canonicalName = *nameIter;
_invokers[canonicalName] = invoker;
while(nameIter != names.end()) {
_invokerAliases[*nameIter] = canonicalName;
nameIter++;
}
}
}
boost::shared_ptr<InvokerImpl> Factory::createInvoker(const std::string& type, Interpreter* interpreter) {
Factory* factory = getInstance();
if (factory->_invokerAliases.find(type) == factory->_invokerAliases.end()) {
LOG(ERROR) << "No " << type << " Invoker known";
return boost::shared_ptr<InvokerImpl>();
}
std::string canonicalName = factory->_invokerAliases[type];
if (factory->_invokers.find(canonicalName) == factory->_invokers.end()) {
LOG(ERROR) << "Invoker " << type << " known as " << canonicalName << " but not prototype is available in factory";
return boost::shared_ptr<InvokerImpl>();
}
return boost::static_pointer_cast<InvokerImpl>(factory->_invokers[canonicalName]->create(interpreter));
}
boost::shared_ptr<DataModelImpl> Factory::createDataModel(const std::string& type, Interpreter* interpreter) {
Factory* factory = getInstance();
if (factory->_dataModelAliases.find(type) == factory->_dataModelAliases.end()) {
LOG(ERROR) << "No " << type << " DataModel known";
return boost::shared_ptr<DataModelImpl>();
}
std::string canonicalName = factory->_dataModelAliases[type];
if (factory->_dataModels.find(canonicalName) == factory->_dataModels.end()) {
LOG(ERROR) << "DataModel " << type << " known as " << canonicalName << " but not prototype is available in factory";
return boost::shared_ptr<DataModelImpl>();
}
return factory->_dataModels[canonicalName]->create(interpreter);
}
boost::shared_ptr<IOProcessorImpl> Factory::createIOProcessor(const std::string& type, Interpreter* interpreter) {
Factory* factory = getInstance();
if (factory->_ioProcessorAliases.find(type) == factory->_ioProcessorAliases.end()) {
LOG(ERROR) << "No " << type << " IOProcessor known";
return boost::shared_ptr<IOProcessorImpl>();
}
std::string canonicalName = factory->_ioProcessorAliases[type];
if (factory->_ioProcessors.find(canonicalName) == factory->_ioProcessors.end()) {
LOG(ERROR) << "IOProcessor " << type << " known as " << canonicalName << " but not prototype is available in factory";
return boost::shared_ptr<IOProcessorImpl>();
}
return factory->_ioProcessors[canonicalName]->create(interpreter);
}
Factory* Factory::getInstance() {
if (_instance == NULL) {
_instance = new Factory();
}
return _instance;
}
Factory* Factory::_instance = NULL;
std::string Factory::pluginPath;
}
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