filename.h

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#ifndef FILENAME_INCLUDED
#define FILENAME_INCLUDED


#include <string>
#include <map>
#include <vector>

class Filename
{
 public:
  typedef std::string                          keyword_type;
  typedef int                                  value_type;
  typedef std::map<keyword_type, value_type>   keyvalue_type;
  typedef std::vector<keyword_type>            keywordlist_type;

 public:
  Filename(const std::string& base);

 private:
  // non-copyable
  Filename(const Filename&);
  Filename& operator=(const Filename&);

 public:

  std::string format()
  {
    return format_(0);
  }

  std::string format(const int v1)
  {
    return format_(1, v1);
  }

  std::string format(const int v1, const int v2)
  {
    return format_(2, v1, v2);
  }

  std::string format(const int v1, const int v2, const int v3)
  {
    return format_(3, v1, v2, v3);
  }

  std::string format(const int v1, const int v2, const int v3, const int v4)
  {
    return format_(4, v1, v2, v3, v4);
  }

  std::string format(const int v1, const int v2, const int v3, const int v4, const int v5)
  {
    return format_(5, v1, v2, v3, v4, v5);
  }

  std::string format(const int v1, const int v2, const int v3, const int v4, const int v5, const int v6)
  {
    return format_(6, v1, v2, v3, v4, v5, v6);
  }

  std::string format(const keyvalue_type& kv);

 private:

  static const int format_str_size_ = 1024;
  char format_str_[format_str_size_];

  keywordlist_type keywords_;

  std::string format_(int narg, ...);

  keywordlist_type generate_pattern(char *fmt, const size_t fmt_size, const char *msg);
};
#endif