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CLAW - a C++ Library Absolutely Wonderful
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CLAW is a free library without any particular aim but being useful to
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Copyright (C) 2005-2008 Julien Jorge
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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contact: julien_jorge@yahoo.fr
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* \brief Some classes for the raw manipulation of the base types.
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* \author Julien Jorge
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#include <claw/meta.hpp>
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#ifndef __CLAW_TYPES_HPP__
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#define __CLAW_TYPES_HPP__
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#ifdef CLAW_HAS_LONG_LONG
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meta::type_list<signed long long int, meta::no_type>
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non_standard_signed_types;
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meta::type_list<unsigned long long int, meta::no_type>
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non_standard_unsigned_types;
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#else // !def CLAW_HAS_LONG_LONG
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typedef meta::no_type non_standard_signed_types;
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typedef meta::no_type non_standard_unsigned_types;
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#endif // CLAW_HAS_LONG_LONG
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/** \brief This is the list of c++ signed integer types. */
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typedef meta::type_list
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meta::type_list<signed int, non_standard_signed_types>
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/** \brief This is the list of c++ unsigned integer types. */
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typedef meta::type_list
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meta::type_list<unsigned int, non_standard_unsigned_types>
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> > unsigned_integers;
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* \brief This meta class finds, in a list of types, the first type stored
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* exactly with a given number of bits.
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* \b Template \b parameters
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* - \a Size The number of bits in the type to find,
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* - \a TypeList A list of types (see meta::type_list).
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template<unsigned int Size, typename TypeList>
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struct find_type_by_size
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typedef typename TypeList::head_type head_type;
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typedef typename TypeList::queue_type queue_type;
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typename meta::if_then_else
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< sizeof(head_type) * 8 == Size, head_type,
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typename find_type_by_size<Size, queue_type>::type >::result type;
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}; // find_type_by_size
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/** \brief End of the recursion of the find_type_by_size class. */
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template<unsigned int Size>
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struct find_type_by_size<Size, meta::no_type>
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/** \brief This is an incomplete type that should make the compiler to
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}; // find_type_by_size
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* \brief Define the type of a signed integer stored with a given number of
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* \b Template \b parameters
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* - \a Size The number of bytes in the types.
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template<unsigned int Size>
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struct integer_of_size
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typedef typename find_type_by_size<Size, signed_integers>::type type;
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}; // struct integer_of_size
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* \brief Define the type of an unsigned integer stored with a given number of
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* \b Template \b parameters
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* - \a Size The number of bytes in the types.
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template<unsigned int Size>
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struct unsigned_integer_of_size
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typedef typename find_type_by_size<Size, unsigned_integers>::type type;
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}; // struct unsigned_integer_of_size
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#endif // __CLAW_TYPES_HPP__
added
removed
claw/types.hpp
