plural_forms.hpp

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// tinygettext - A gettext replacement that works directly on .po files
// Copyright (c) 2006 Ingo Ruhnke <grumbel@gmail.com>
//
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// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
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// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
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//    claim that you wrote the original software. If you use this software
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// 2. Altered source versions must be plainly marked as such, and must not be
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#ifndef HEADER_TINYGETTEXT_PLURAL_FORMS_HPP
#define HEADER_TINYGETTEXT_PLURAL_FORMS_HPP
 
#include <string>
 
namespace tinygettext {
 
typedef unsigned int (*PluralFunc)(int n);
 
class PluralForms
{
private:
  unsigned int nplural;
  PluralFunc   plural;
 
public:
  static PluralForms from_string(const std::string& str);
 
  PluralForms()
    : nplural(),
      plural()
  {}
 
  PluralForms(unsigned int nplural_, PluralFunc plural_)
    : nplural(nplural_),
      plural(plural_)
  {}
 
  unsigned int get_nplural() const { return nplural; }
  unsigned int get_plural(int n) const { if (plural) return plural(n); else return 0; }
 
  bool operator==(const PluralForms& other) const { return nplural == other.nplural && plural == other.plural; }
  bool operator!=(const PluralForms& other) const { return !(*this == other); }
 
  explicit operator bool() const {
    return plural != nullptr;
  }
};
 
} // namespace tinygettext
 
#endif
 
/* EOF */