artifact.hpp

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#ifndef ARTIFACT_HPP_
#define ARTIFACT_HPP_

#include <ctime>
#include <functional>
#include <string>

class artifact_impl;

class artifact
{
public:
  artifact();
  artifact(std::string const& name);
  artifact(artifact const& a);
  ~artifact();

  artifact& operator=(artifact const& a);

  std::string const& name()     const;
  std::time_t        mod_time() const;
  std::string        expand(std::string str) const;

  void               build();
  std::time_t get_mod_time();

  void store_variable(std::string const& name, std::string const& value);

private:
  artifact_impl* pimpl_;
};

template<class Char, class Traits>
std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& out, artifact const& a)
{
  out << a.name();
  return out;
}

inline bool operator==(artifact const& a, artifact const& b)
{
  return a.name() == b.name();
}

inline bool operator!=(artifact const& a, artifact const& b)
{
  return not(a == b);
}

namespace std {
  template<>
  class less<artifact> : public std::binary_function<artifact, artifact, bool> {
  public:
    bool operator()(artifact const& a, artifact const& b)
    {
      return a.name() < b.name();
    }
  };
}

#endif // ARTIFACT_HPP_

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