ros_type.cpp

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#include "ros_type_introspection/ros_type.hpp"
#include "ros_type_introspection/helper_functions.hpp"
#include <absl/strings/substitute.h>

namespace RosIntrospection{

ROSType::ROSType(absl::string_view name):
  _base_name(name)
{
  int pos = -1;
  for (size_t i=0; i<name.size(); i++)
  {
    if(name[i] == '/'){
      pos = i;
      break;
    }
  }

  if( pos == -1)
  {
    _msg_name = _base_name;
  }
  else{
    _pkg_name = absl::string_view( _base_name.data(), pos);
    pos++;
    _msg_name = absl::string_view( _base_name.data() + pos, _base_name.size() - pos);
  }

  _id   = toBuiltinType( _msg_name );
  _hash = std::hash<std::string>{}( _base_name );
}

ROSType& ROSType::operator= (const ROSType &other)
{
    int pos = other._pkg_name.size();
    _base_name = other._base_name;
    _pkg_name = absl::string_view( _base_name.data(), pos);
    if( pos > 0) pos++;
    _msg_name = absl::string_view( _base_name.data() + pos, _base_name.size() - pos);
    _id   = other._id;
    _hash = other._hash;
    return *this;
}

ROSType& ROSType::operator= (ROSType &&other)
{
    int pos = other._pkg_name.size();
    _base_name = std::move( other._base_name );
    _pkg_name = absl::string_view( _base_name.data(), pos);
    if( pos > 0) pos++;
    _msg_name = absl::string_view( _base_name.data() + pos, _base_name.size() - pos);
    _id   = other._id;
    _hash = other._hash;
    return *this;
}


void ROSType::setPkgName(absl::string_view new_pkg)
{
  assert(_pkg_name.size() == 0);

  int pos = new_pkg.size();
  _base_name = absl::Substitute("$0/$1", new_pkg, _base_name);

  _pkg_name = absl::string_view( _base_name.data(), pos++);
  _msg_name = absl::string_view( _base_name.data() + pos, _base_name.size() - pos);

  _hash = std::hash<std::string>{}( _base_name );
}


}