MetadataSummaryForSource.h

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#ifndef art_Framework_Art_detail_md_summary_MetadataSummaryForSource_h
#define art_Framework_Art_detail_md_summary_MetadataSummaryForSource_h

#include "art/Framework/Art/detail/LibraryInfoCollection.h"
#include "art/Framework/Art/detail/MetadataSummary.h"
#include "art/Framework/Art/detail/PrintFormatting.h"

#include <iomanip>
#include <sstream>
#include <string>

namespace art::detail {

  template <>
  class MetadataSummaryFor<suffix_type::source> : public MetadataSummary {
  public:
    MetadataSummaryFor(LibraryInfoCollection const& coll)
      : coll_{coll}
      , widths_{std::to_string(coll.size()).size(),
                columnWidth(coll, &LibraryInfo::short_spec, "module_type"),
                columnWidth(coll, &LibraryInfo::provider, "Provider"),
                columnWidth(coll, &LibraryInfo::path, "Source location")}
    {}

  private:
    LibraryInfoCollection const& coll_;
    Widths widths_;

    Widths const&
    doWidths() const override
    {
      return widths_;
    }

    std::string
    doHeader() const override
    {
      std::ostringstream result;
      result << indent(widths_[0] + 2) << std::setw(widths_[1] + 4) << std::left
             << "module_type" << std::setw(widths_[2] + 4) << std::left
             << "Provider" << std::left << "Source location";
      return result.str();
    }

    Summary
    doSummary(LibraryInfo const& li, std::size_t const entry) const override
    {
      auto const count = std::count_if(
        coll_.cbegin(), coll_.cend(), LibraryInfoMatch{li.short_spec()});
      bool const is_duplicate = count != 1;
      auto const dupl = is_duplicate ? '*' : ' ';

      std::ostringstream result;
      result << std::setw(widths_[0]) << std::right << entry << '.' << dupl
             << std::setw(widths_[1] + 4) << std::left << li.short_spec()
             << std::setw(widths_[2] + 4) << std::left << li.provider()
             << std::left << li.path() << "\n";
      return {result.str(), is_duplicate};
    }
  };

} // namespace art::detail

#endif /* art_Framework_Art_detail_md_summary_MetadataSummaryForSource_h */

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