printing_helpers.h

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#ifndef fhiclcpp_detail_printing_helpers_h
#define fhiclcpp_detail_printing_helpers_h

// ===================================================
//
// Various printing helpers
//
// These helpers are used by the 'Prettifier' classes.
//
// ===================================================

#include <any>
#include <string>

namespace fhicl::detail {

  inline std::string
  nl(std::size_t i = 1)
  {
    return std::string(i, '\n');
  }

  std::string printed_suffix(std::string const& key, std::size_t const sz);

  std::string print_prefix_annotated_info(std::string const& curr_info);

  std::string print_annotated_info(std::string const& curr_info,
                                   std::string const& cached_info);

  namespace table {
    inline std::string
    opening_brace()
    {
      return "{";
    }
    inline std::string
    closing_brace()
    {
      return "}";
    }
    std::string printed_prefix(std::string const& key);
  }

  namespace sequence {
    inline std::string
    opening_brace()
    {
      return "[";
    }
    inline std::string
    closing_brace()
    {
      return "]";
    }
    std::string printed_prefix(std::string const& key);
  }

  namespace atom {
    std::string printed_prefix(std::string const& key);
    std::string value(std::any const&);
  }

  inline bool
  is_sequence_element(std::string const& key)
  {
    auto pos = key.find_last_of(sequence::closing_brace());
    return pos != std::string::npos && pos == key.size() - 1;
  }

  inline bool
  is_table_member(std::string const& key)
  {
    auto pos1 = key.find_last_of(".");
    if (pos1 == std::string::npos)
      return false;

    return not is_sequence_element(key);
  }

  std::size_t index_for_sequence_element(std::string const& name);
}

#endif /* fhiclcpp_detail_printing_helpers_h */

// Local variables:
// mode: c++
// End: