// tinygettext - A gettext replacement that works directly on .po files
// Copyright (c) 2006 Ingo Ruhnke <grumbel@gmail.com>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
//    claim that you wrote the original software. If you use this software
//    in a product, an acknowledgement in the product documentation would be
//    appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
//    misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.

#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(0),
		plural(0)
	{
	}

	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)
	{
		return nplural == other.nplural && plural == other.plural;
	}
	bool operator!=(const PluralForms& other)
	{
		return !(*this == other);
	}

	explicit operator bool() const
	{
		return plural != NULL;
	}
};

} // namespace tinygettext

#endif

/* EOF */
