utils_prm.cpp

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#include <agrum/PRM/utils_prm.h>

namespace gum {
  namespace prm {

    // Decompose a string in a vector of strings using "." as separators.
    void decomposePath(const std::string& path, std::vector< std::string >& v) {
      size_t prev = 0;
      size_t length = 0;
      size_t idx_1 = path.find(".");
      size_t idx_2 = path.find(PRMObject::LEFT_CAST());

      if (idx_2 == std::string::npos) {
        // ignore safe names
        size_t idx = idx_1;

        while (idx != std::string::npos) {
          length = idx - prev;
          v.push_back(path.substr(prev, length));
          prev = idx + 1;
          idx = path.find(".", prev);
        }
      } else {
        size_t tmp = 0;

        while (idx_1 != std::string::npos) {
          if (idx_1 < idx_2) {
            length = idx_1 - prev;
            v.push_back(path.substr(prev, length));
            prev = idx_1 + 1;
            idx_1 = path.find(".", prev);
          } else if (idx_2 < idx_1) {
            tmp = path.find(PRMObject::RIGHT_CAST(), idx_2);
            idx_1 = path.find(".", tmp);
            idx_2 = path.find(PRMObject::LEFT_CAST(), tmp);
          }
        }
      }

      v.push_back(path.substr(prev, std::string::npos));
    }

    NodeId nextNodeId() {
      static NodeId id = 0;
      return ++id;
    }

  } /* namespace prm */
}   // namespace gum