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#include "uscxml/Common.h"
#include "uscxml/config.h"
#include "SWIDataModel.h"
#include "uscxml/Message.h"
#include <glog/logging.h>
#ifdef BUILD_AS_PLUGINS
#include <Pluma/Connector.hpp>
#endif
namespace uscxml {
#ifdef BUILD_AS_PLUGINS
PLUMA_CONNECTOR
bool connect(pluma::Host& host) {
host.add( new SWIDataModelProvider() );
return true;
}
#endif
SWIDataModel::SWIDataModel() {
}
boost::shared_ptr<DataModelImpl> SWIDataModel::create(InterpreterImpl* interpreter) {
boost::shared_ptr<SWIDataModel> dm = boost::shared_ptr<SWIDataModel>(new SWIDataModel());
dm->_interpreter = interpreter;
const char* swibin = getenv("SWI_BINARY");
if (swibin == NULL)
swibin = SWI_BINARY;
const char* quiet = "--quiet";
static char * av[] = {
(char*)swibin,
(char*)quiet,
// "-s",
// "/Users/sradomski/Documents/TK/Code/pl-devel/demo/likes.pl",
NULL
};
if(!PL_initialise(2,av)) {
LOG(ERROR) << "Error intializing prolog engine";
PL_halt(1);
return boost::shared_ptr<DataModelImpl>();
}
return dm;
}
void SWIDataModel::registerIOProcessor(const std::string& name, const IOProcessor& ioprocessor) {
// std::cout << "SWIDataModel::registerIOProcessor" << std::endl;
}
void SWIDataModel::setSessionId(const std::string& sessionId) {
// std::cout << "SWIDataModel::setSessionId" << std::endl;
_sessionId = sessionId;
}
void SWIDataModel::setName(const std::string& name) {
// std::cout << "SWIDataModel::setName" << std::endl;
_name = name;
}
SWIDataModel::~SWIDataModel() {
}
void SWIDataModel::pushContext() {
// std::cout << "SWIDataModel::pushContext" << std::endl;
}
void SWIDataModel::popContext() {
// std::cout << "SWIDataModel::popContext" << std::endl;
}
void SWIDataModel::initialize() {
// std::cout << "SWIDataModel::initialize" << std::endl;
}
void SWIDataModel::setEvent(const Event& event) {
// std::cout << "SWIDataModel::setEvent" << std::endl;
_event = event;
}
Data SWIDataModel::getStringAsData(const std::string& content) {
// std::cout << "SWIDataModel::getStringAsData" << std::endl;
Data data;
return data;
}
bool SWIDataModel::validate(const std::string& location, const std::string& schema) {
// std::cout << "SWIDataModel::validate" << std::endl;
return true;
}
uint32_t SWIDataModel::getLength(const std::string& expr) {
// std::cout << "SWIDataModel::getLength" << std::endl;
return 0;
}
void SWIDataModel::setForeach(const std::string& item,
const std::string& array,
const std::string& index,
uint32_t iteration) {
// std::cout << "SWIDataModel::setForeach" << std::endl;
}
void SWIDataModel::eval(const std::string& expr) {
URL localPLFile = URL::toLocalFile(expr, ".pl");
PlCall("user", "load_files", PlTermv(localPLFile.asLocalFile(".pl").c_str())) || LOG(ERROR) << "Could not execute prolog from file";
}
bool SWIDataModel::evalAsBool(const std::string& expr) {
PlCompound compound(expr.c_str());
PlTermv termv(compound.arity());
for (int i = 0; i < compound.arity(); i++) {
termv[i] = compound[i + 1];
}
PlQuery query(compound.name(), termv);
return query.next_solution() > 0;
}
std::string SWIDataModel::evalAsString(const std::string& expr) {
PlCompound compound(expr.c_str());
if (strlen(compound.name())) {
PlTermv termv(compound.arity());
for (int i = 0; i < compound.arity(); i++) {
termv[i] = compound[i + 1];
}
PlQuery query(compound.name(), termv);
std::stringstream ss;
while (query.next_solution()) {
for (int i = 0; i < compound.arity(); i++) {
const char* separator = "";
ss << separator << (char *)termv[i];
separator = ", ";
}
ss << std::endl;
}
return ss.str();
}
return std::string(compound);
}
void SWIDataModel::assign(const Arabica::DOM::Element<std::string>& assignElem,
const Arabica::DOM::Document<std::string>& doc,
const std::string& content) {
std::string expr = content;
if (HAS_ATTR(assignElem, "expr")) {
expr = ATTR(assignElem, "expr");
}
if (expr.length() > 0)
eval(expr);
}
void SWIDataModel::assign(const std::string& location, const Data& data) {
eval(data.atom);
}
void SWIDataModel::init(const Arabica::DOM::Element<std::string>& dataElem,
const Arabica::DOM::Document<std::string>& doc,
const std::string& content) {}
void SWIDataModel::init(const std::string& location, const Data& data) {}
bool SWIDataModel::isDeclared(const std::string& expr) {
return true;
}
}
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