format-helpers.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#ifndef NFD_TOOLS_NFDC_FORMAT_HELPERS_HPP
#define NFD_TOOLS_NFDC_FORMAT_HELPERS_HPP

#include "core/common.hpp"

namespace nfd {
namespace tools {
namespace nfdc {

namespace xml {

void
printHeader(std::ostream& os);

void
printFooter(std::ostream& os);

struct Text
{
  const std::string& s;
};

std::ostream&
operator<<(std::ostream& os, const Text& text);

std::string
formatSeconds(time::seconds d);

template<typename DURATION>
std::string
formatDuration(DURATION d)
{
  return formatSeconds(time::duration_cast<time::seconds>(d));
}

std::string
formatTimestamp(time::system_clock::TimePoint t);

} // namespace xml

namespace text {

struct Spaces
{
  int nSpaces; 
};

std::ostream&
operator<<(std::ostream& os, const Spaces& spaces);

class Separator : noncopyable
{
public:
  Separator(const std::string& first, const std::string& subsequent);

  explicit
  Separator(const std::string& subsequent);

  int
  getCount() const
  {
    return m_count;
  }

private:
  std::string m_first;
  std::string m_subsequent;
  int m_count;

  friend std::ostream& operator<<(std::ostream& os, Separator& sep);
};

std::ostream&
operator<<(std::ostream& os, Separator& sep);

class ItemAttributes : noncopyable
{
public:
  explicit
  ItemAttributes(bool wantMultiLine = false, int maxAttributeWidth = 0);

  struct Attribute
  {
    ItemAttributes& ia;
    std::string attribute;
  };

  Attribute
  operator()(const std::string& attribute);

  std::string
  end() const;

private:
  bool m_wantMultiLine;
  int m_maxAttributeWidth;
  int m_count;

  friend std::ostream& operator<<(std::ostream& os, const ItemAttributes::Attribute& attr);
};

std::ostream&
operator<<(std::ostream& os, const ItemAttributes::Attribute& attr);

std::string
formatSeconds(time::seconds d, bool isLong = false);

template<typename DURATION>
std::string
formatDuration(DURATION d, bool isLong = false)
{
  return formatSeconds(time::duration_cast<time::seconds>(d), isLong);
}

std::string
formatTimestamp(time::system_clock::TimePoint t);

} // namespace text

} // namespace nfdc
} // namespace tools
} // namespace nfd

#endif // NFD_TOOLS_NFDC_FORMAT_HELPERS_HPP