OpenMC/include/openmc/xml_interface.h
2019-10-28 11:55:45 -05:00

53 lines
1.3 KiB
C++

#ifndef OPENMC_XML_INTERFACE_H
#define OPENMC_XML_INTERFACE_H
#include <cstddef> // for size_t
#include <sstream> // for stringstream
#include <string>
#include <vector>
#include "pugixml.hpp"
#include "xtensor/xarray.hpp"
#include "xtensor/xadapt.hpp"
namespace openmc {
inline bool
check_for_node(pugi::xml_node node, const char *name)
{
return node.attribute(name) || node.child(name);
}
std::string get_node_value(pugi::xml_node node, const char* name,
bool lowercase=false, bool strip=false);
bool get_node_value_bool(pugi::xml_node node, const char* name);
template <typename T>
std::vector<T> get_node_array(pugi::xml_node node, const char* name,
bool lowercase=false)
{
// Get value of node attribute/child
std::string s {get_node_value(node, name, lowercase)};
// Read values one by one into vector
std::stringstream iss {s};
T value;
std::vector<T> values;
while (iss >> value)
values.push_back(value);
return values;
}
template <typename T>
xt::xarray<T> get_node_xarray(pugi::xml_node node, const char* name,
bool lowercase=false)
{
std::vector<T> v = get_node_array<T>(node, name, lowercase);
std::vector<std::size_t> shape = {v.size()};
return xt::adapt(v, shape);
}
} // namespace openmc
#endif // OPENMC_XML_INTERFACE_H