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// (C) Copyright Eric Niebler 2004-2005
// (C) Copyright Gennadiy Rozental 2001.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/test for the library home page.
//
// File : $RCSfile$
//
// Version : $Revision$
//
// Description : this is an abridged version of an excelent BOOST_FOREACH facility
// presented by Eric Niebler. I am so fond of it so I can't wait till it
// going to be accepted into Boost. Also I need version with less number of dependencies
// and more portable. This version doesn't support rvalues and will reeveluate it's
// parameters, but should be good enough for my purposes.
// ***************************************************************************
#ifndef BOOST_TEST_UTILS_FOREACH_HPP
#define BOOST_TEST_UTILS_FOREACH_HPP
// Boost.Test
#include <boost/test/detail/config.hpp>
// Boost
#include <boost/type.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/test/detail/workaround.hpp>
#include <boost/type_traits/is_const.hpp>
#include <boost/test/detail/suppress_warnings.hpp>
//____________________________________________________________________________//
namespace boost {
namespace unit_test {
namespace for_each {
// ************************************************************************** //
// ************** static_any ************** //
// ************************************************************************** //
struct static_any_base
{
operator bool() const { return false; }
};
//____________________________________________________________________________//
template<typename Iter>
struct static_any : static_any_base
{
static_any( Iter const& t ) : m_it( t ) {}
mutable Iter m_it;
};
//____________________________________________________________________________//
typedef static_any_base const& static_any_t;
//____________________________________________________________________________//
template<typename Iter>
inline Iter&
static_any_cast( static_any_t a, Iter* = 0 )
{
return static_cast<Iter&>( static_cast<static_any<Iter> const&>( a ).m_it );
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** is_const ************** //
// ************************************************************************** //
template<typename C>
inline is_const<C>
is_const_coll( C& )
{
return is_const<C>();
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** begin ************** //
// ************************************************************************** //
template<typename C>
inline static_any<BOOST_DEDUCED_TYPENAME C::iterator>
begin( C& t, mpl::false_ )
{
return static_any<BOOST_DEDUCED_TYPENAME C::iterator>( t.begin() );
}
//____________________________________________________________________________//
template<typename C>
inline static_any<BOOST_DEDUCED_TYPENAME C::const_iterator>
begin( C const& t, mpl::true_ )
{
return static_any<BOOST_DEDUCED_TYPENAME C::const_iterator>( t.begin() );
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** end ************** //
// ************************************************************************** //
template<typename C>
inline static_any<BOOST_DEDUCED_TYPENAME C::iterator>
end( C& t, mpl::false_ )
{
return static_any<BOOST_DEDUCED_TYPENAME C::iterator>( t.end() );
}
//____________________________________________________________________________//
template<typename C>
inline static_any<BOOST_DEDUCED_TYPENAME C::const_iterator>
end( C const& t, mpl::true_ )
{
return static_any<BOOST_DEDUCED_TYPENAME C::const_iterator>( t.end() );
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** done ************** //
// ************************************************************************** //
template<typename C>
inline bool
done( static_any_t cur, static_any_t end, C&, mpl::false_ )
{
return static_any_cast<BOOST_DEDUCED_TYPENAME C::iterator>( cur ) ==
static_any_cast<BOOST_DEDUCED_TYPENAME C::iterator>( end );
}
//____________________________________________________________________________//
template<typename C>
inline bool
done( static_any_t cur, static_any_t end, C const&, mpl::true_ )
{
return static_any_cast<BOOST_DEDUCED_TYPENAME C::const_iterator>( cur ) ==
static_any_cast<BOOST_DEDUCED_TYPENAME C::const_iterator>( end );
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** next ************** //
// ************************************************************************** //
template<typename C>
inline void
next( static_any_t cur, C&, mpl::false_ )
{
++static_any_cast<BOOST_DEDUCED_TYPENAME C::iterator>( cur );
}
//____________________________________________________________________________//
template<typename C>
inline void
next( static_any_t cur, C const&, mpl::true_ )
{
++static_any_cast<BOOST_DEDUCED_TYPENAME C::const_iterator>( cur );
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** prev ************** //
// ************************************************************************** //
template<typename C>
inline void
prev( static_any_t cur, C&, mpl::false_ )
{
--static_any_cast<BOOST_DEDUCED_TYPENAME C::iterator>( cur );
}
//____________________________________________________________________________//
template<typename C>
inline void
prev( static_any_t cur, C const&, mpl::true_ )
{
--static_any_cast<BOOST_DEDUCED_TYPENAME C::const_iterator>( cur );
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** deref ************** //
// ************************************************************************** //
template<class RefType,typename C>
inline RefType
deref( static_any_t cur, C&, ::boost::type<RefType>, mpl::false_ )
{
return *static_any_cast<BOOST_DEDUCED_TYPENAME C::iterator>( cur );
}
//____________________________________________________________________________//
template<class RefType,typename C>
inline RefType
deref( static_any_t cur, C const&, ::boost::type<RefType>, mpl::true_ )
{
return *static_any_cast<BOOST_DEDUCED_TYPENAME C::const_iterator>( cur );
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** BOOST_TEST_FOREACH ************** //
// ************************************************************************** //
#define BOOST_TEST_FE_ANY ::boost::unit_test::for_each::static_any_t
#define BOOST_TEST_FE_IS_CONST( COL ) ::boost::unit_test::for_each::is_const_coll( COL )
#define BOOST_TEST_FE_BEG( COL ) \
::boost::unit_test::for_each::begin( \
COL, \
BOOST_TEST_FE_IS_CONST( COL ) ) \
/**/
#define BOOST_TEST_FE_END( COL ) \
::boost::unit_test::for_each::end( \
COL, \
BOOST_TEST_FE_IS_CONST( COL ) ) \
/**/
#define BOOST_TEST_FE_DONE( COL ) \
::boost::unit_test::for_each::done( \
BOOST_TEST_FE_CUR_VAR, \
BOOST_TEST_FE_END_VAR, \
COL, \
BOOST_TEST_FE_IS_CONST( COL ) ) \
/**/
#define BOOST_TEST_FE_NEXT( COL ) \
::boost::unit_test::for_each::next( \
BOOST_TEST_FE_CUR_VAR, \
COL, \
BOOST_TEST_FE_IS_CONST( COL ) ) \
/**/
#define BOOST_TEST_FE_PREV( COL ) \
::boost::unit_test::for_each::prev( \
BOOST_TEST_FE_CUR_VAR, \
COL, \
BOOST_TEST_FE_IS_CONST( COL ) ) \
/**/
#define BOOST_FOREACH_NOOP(COL) \
((void)&(COL))
#define BOOST_TEST_FE_DEREF( COL, RefType ) \
::boost::unit_test::for_each::deref( \
BOOST_TEST_FE_CUR_VAR, \
COL, \
::boost::type<RefType >(), \
BOOST_TEST_FE_IS_CONST( COL ) ) \
/**/
#if BOOST_WORKAROUND( BOOST_MSVC, == 1310 )
#define BOOST_TEST_LINE_NUM
#else
#define BOOST_TEST_LINE_NUM __LINE__
#endif
#define BOOST_TEST_FE_CUR_VAR BOOST_JOIN( _fe_cur_, BOOST_TEST_LINE_NUM )
#define BOOST_TEST_FE_END_VAR BOOST_JOIN( _fe_end_, BOOST_TEST_LINE_NUM )
#define BOOST_TEST_FE_CON_VAR BOOST_JOIN( _fe_con_, BOOST_TEST_LINE_NUM )
#define BOOST_TEST_FOREACH( RefType, var, COL ) \
if( BOOST_TEST_FE_ANY BOOST_TEST_FE_CUR_VAR = BOOST_TEST_FE_BEG( COL ) ) {} else \
if( BOOST_TEST_FE_ANY BOOST_TEST_FE_END_VAR = BOOST_TEST_FE_END( COL ) ) {} else \
for( bool BOOST_TEST_FE_CON_VAR = true; \
BOOST_TEST_FE_CON_VAR && !BOOST_TEST_FE_DONE( COL ); \
BOOST_TEST_FE_CON_VAR ? BOOST_TEST_FE_NEXT( COL ) : BOOST_FOREACH_NOOP( COL )) \
\
if( (BOOST_TEST_FE_CON_VAR = false, false) ) {} else \
for( RefType var = BOOST_TEST_FE_DEREF( COL, RefType ); \
!BOOST_TEST_FE_CON_VAR; BOOST_TEST_FE_CON_VAR = true ) \
/**/
#define BOOST_TEST_REVERSE_FOREACH( RefType, var, COL ) \
if( BOOST_TEST_FE_ANY BOOST_TEST_FE_CUR_VAR = BOOST_TEST_FE_END( COL ) ) {} else \
if( BOOST_TEST_FE_ANY BOOST_TEST_FE_END_VAR = BOOST_TEST_FE_BEG( COL ) ) {} else \
for( bool BOOST_TEST_FE_CON_VAR = true; \
BOOST_TEST_FE_CON_VAR && !BOOST_TEST_FE_DONE( COL ); ) \
\
if( (BOOST_TEST_FE_CON_VAR = false, false) ) {} else \
if( (BOOST_TEST_FE_PREV( COL ), false) ) {} else \
for( RefType var = BOOST_TEST_FE_DEREF( COL, RefType ); \
!BOOST_TEST_FE_CON_VAR; BOOST_TEST_FE_CON_VAR = true ) \
/**/
//____________________________________________________________________________//
} // namespace for_each
} // namespace unit_test
} // namespace boost
#include <boost/test/detail/enable_warnings.hpp>
#endif // BOOST_TEST_UTILS_FOREACH_HPP
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