~drizzle-trunk/drizzle/development

/* Drizzle

 * Copyright (C) 2011 Olaf van der Spek

 * 

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 2 of the License, or

 * (at your option) any later version.

 * 

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License

 * along with this program. If not, see <http://www.gnu.org/licenses/>.

 */

#pragma once

template <class T, class U>

typename T::value_type::second_type* find_ptr(T& c, U v)

{

	typename T::iterator i = c.find(v);

	return i == c.end() ? NULL : &i->second;

}

template <class T, class U>

const typename T::value_type::second_type* find_ptr(const T& c, U v)

{

	typename T::const_iterator i = c.find(v);

	return i == c.end() ? NULL : &i->second;

}

template <class T, class U>

typename T::value_type::second_type find_ptr2(T& c, U v)

{

	typename T::value_type::second_type* i = find_ptr(c, v);

	return i ? *i : NULL;

}

template <class T, class U>

const typename T::value_type::second_type find_ptr2(const T& c, U v)

{

	const typename T::value_type::second_type* i = find_ptr(c, v);

	return i ? *i : NULL;

}