io.h

#pragma once
 
#include <tess/core/shape.h>
#include <tess/path/path.h>
 
#include <ostream>
 
namespace tess {

inline auto operator<<(std::ostream& output, Coord2 value) -> std::ostream& {
  return output << "Coord2{" << value.x << ", " << value.y << '}';
}

inline auto operator<<(std::ostream& output, Coord3 value) -> std::ostream& {
  return output << "Coord3{" << value.x << ", " << value.y << ", " << value.z
                << '}';
}

inline auto operator<<(std::ostream& output, Extent3 value) -> std::ostream& {
  return output << "Extent3{" << value.x << ", " << value.y << ", " << value.z
                << '}';
}

inline auto operator<<(std::ostream& output, PathStatus status)
    -> std::ostream& {
  switch (status) {
    case PathStatus::NotComputed:
      return output << "NotComputed";
    case PathStatus::Found:
      return output << "Found";
    case PathStatus::InvalidStart:
      return output << "InvalidStart";
    case PathStatus::InvalidGoal:
      return output << "InvalidGoal";
    case PathStatus::NoPath:
      return output << "NoPath";
    case PathStatus::Indeterminate:
      return output << "Indeterminate";
    case PathStatus::CostOverflow:
      return output << "CostOverflow";
    case PathStatus::NoCandidate:
      return output << "NoCandidate";
  }
  return output << "PathStatus(" << static_cast<unsigned>(status) << ')';
}

inline auto operator<<(std::ostream& output, PathView path) -> std::ostream& {
  output << '[';
  auto first = true;
  for (const auto coordinate : path) {
    if (!first) {
      output << ", ";
    }
    output << coordinate;
    first = false;
  }
  return output << ']';
}
 
}  // namespace tess