Chris@16: //  (C) Copyright Eric Niebler 2004-2005
Chris@16: //  (C) Copyright Gennadiy Rozental 2005-2008.
Chris@16: //  Distributed under the Boost Software License, Version 1.0.
Chris@16: //  (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: //  http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org/libs/test for the library home page.
Chris@16: //
Chris@16: //  File        : $RCSfile$
Chris@16: //
Chris@101: //  Version     : $Revision$
Chris@16: //
Chris@16: //  Description : this is an abridged version of an excelent BOOST_FOREACH facility
Chris@16: //  presented by Eric Niebler. I am so fond of it so I can't wait till it 
Chris@16: //  going to be accepted into Boost. Also I need version with less number of dependencies 
Chris@16: //  and more portable. This version doesn't support rvalues and will reeveluate it's 
Chris@16: //  parameters, but should be good enough for my purposes.
Chris@16: // ***************************************************************************
Chris@16: 
Chris@16: #ifndef BOOST_TEST_FOREACH_HPP_021005GER
Chris@16: #define BOOST_TEST_FOREACH_HPP_021005GER
Chris@16: 
Chris@16: // Boost.Test
Chris@16: #include <boost/test/detail/config.hpp>
Chris@16: 
Chris@16: // Boost
Chris@16: #include <boost/type.hpp>
Chris@16: #include <boost/mpl/bool.hpp>
Chris@16: #include <boost/test/detail/workaround.hpp>
Chris@16: 
Chris@16: #include <boost/type_traits/is_const.hpp>
Chris@16: 
Chris@16: #include <boost/test/detail/suppress_warnings.hpp>
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: namespace unit_test {
Chris@16: 
Chris@16: namespace for_each {
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                  static_any                  ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: struct static_any_base
Chris@16: {
Chris@16:     operator bool() const { return false; }
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename Iter>
Chris@16: struct static_any : static_any_base
Chris@16: {
Chris@16:     static_any( Iter const& t ) : m_it( t ) {}
Chris@16: 
Chris@16:     mutable Iter m_it;
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: typedef static_any_base const& static_any_t;
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename Iter>
Chris@16: inline Iter&
Chris@16: static_any_cast( static_any_t a, Iter* = 0 )
Chris@16: {
Chris@16:     return static_cast<Iter&>( static_cast<static_any<Iter> const&>( a ).m_it );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                   is_const                   ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<typename C>
Chris@16: inline is_const<C>
Chris@16: is_const_coll( C& )
Chris@16: {
Chris@16:     return is_const<C>();
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                     begin                    ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<typename C>
Chris@16: inline static_any<BOOST_DEDUCED_TYPENAME C::iterator>
Chris@16: begin( C& t, mpl::false_ )
Chris@16: {
Chris@16:     return static_any<BOOST_DEDUCED_TYPENAME C::iterator>( t.begin() );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename C>
Chris@16: inline static_any<BOOST_DEDUCED_TYPENAME C::const_iterator>
Chris@16: begin( C const& t, mpl::true_ )
Chris@16: {
Chris@16:     return static_any<BOOST_DEDUCED_TYPENAME C::const_iterator>( t.begin() );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                      end                     ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<typename C>
Chris@16: inline static_any<BOOST_DEDUCED_TYPENAME C::iterator>
Chris@16: end( C& t, mpl::false_ )
Chris@16: {
Chris@16:     return static_any<BOOST_DEDUCED_TYPENAME C::iterator>( t.end() );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename C>
Chris@16: inline static_any<BOOST_DEDUCED_TYPENAME C::const_iterator>
Chris@16: end( C const& t, mpl::true_ )
Chris@16: {
Chris@16:     return static_any<BOOST_DEDUCED_TYPENAME C::const_iterator>( t.end() );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                      done                    ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<typename C>
Chris@16: inline bool
Chris@16: done( static_any_t cur, static_any_t end, C&, mpl::false_ )
Chris@16: {
Chris@16:     return  static_any_cast<BOOST_DEDUCED_TYPENAME C::iterator>( cur ) ==
Chris@16:             static_any_cast<BOOST_DEDUCED_TYPENAME C::iterator>( end );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename C>
Chris@16: inline bool
Chris@16: done( static_any_t cur, static_any_t end, C const&, mpl::true_ )
Chris@16: {
Chris@16:     return  static_any_cast<BOOST_DEDUCED_TYPENAME C::const_iterator>( cur ) ==
Chris@16:             static_any_cast<BOOST_DEDUCED_TYPENAME C::const_iterator>( end );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                      next                    ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<typename C>
Chris@16: inline void
Chris@16: next( static_any_t cur, C&, mpl::false_ )
Chris@16: {
Chris@16:     ++static_any_cast<BOOST_DEDUCED_TYPENAME C::iterator>( cur );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename C>
Chris@16: inline void
Chris@16: next( static_any_t cur, C const&, mpl::true_ )
Chris@16: {
Chris@16:     ++static_any_cast<BOOST_DEDUCED_TYPENAME C::const_iterator>( cur );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                      deref                   ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<class RefType,typename C>
Chris@16: inline RefType
Chris@16: deref( static_any_t cur, C&, ::boost::type<RefType>, mpl::false_ )
Chris@16: {
Chris@16:     return *static_any_cast<BOOST_DEDUCED_TYPENAME C::iterator>( cur );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<class RefType,typename C>
Chris@16: inline RefType
Chris@16: deref( static_any_t cur, C const&, ::boost::type<RefType>, mpl::true_ )
Chris@16: {
Chris@16:     return *static_any_cast<BOOST_DEDUCED_TYPENAME C::const_iterator>( cur );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************              BOOST_TEST_FOREACH              ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: #define BOOST_TEST_FE_ANY                   ::boost::unit_test::for_each::static_any_t
Chris@16: #define BOOST_TEST_FE_IS_CONST( COL )       ::boost::unit_test::for_each::is_const_coll( COL )
Chris@16: 
Chris@16: #define BOOST_TEST_FE_BEG( COL )            \
Chris@16:     ::boost::unit_test::for_each::begin(    \
Chris@16:         COL,                                \
Chris@16:         BOOST_TEST_FE_IS_CONST( COL ) )     \
Chris@16: /**/
Chris@16: 
Chris@16: #define BOOST_TEST_FE_END( COL )            \
Chris@16:     ::boost::unit_test::for_each::end(      \
Chris@16:         COL,                                \
Chris@16:         BOOST_TEST_FE_IS_CONST( COL ) )     \
Chris@16: /**/
Chris@16: 
Chris@16: #define BOOST_TEST_FE_DONE( COL )           \
Chris@16:     ::boost::unit_test::for_each::done(     \
Chris@16:         BOOST_TEST_FE_CUR_VAR,              \
Chris@16:         BOOST_TEST_FE_END_VAR,              \
Chris@16:         COL,                                \
Chris@16:         BOOST_TEST_FE_IS_CONST( COL ) )     \
Chris@16: /**/
Chris@16: 
Chris@16: #define BOOST_TEST_FE_NEXT( COL )           \
Chris@16:     ::boost::unit_test::for_each::next(     \
Chris@16:         BOOST_TEST_FE_CUR_VAR,              \
Chris@16:         COL,                                \
Chris@16:         BOOST_TEST_FE_IS_CONST( COL ) )     \
Chris@16: /**/
Chris@16: 
Chris@16: #define BOOST_FOREACH_NOOP(COL)             \
Chris@16:     ((void)&(COL))
Chris@16: 
Chris@16: #define BOOST_TEST_FE_DEREF( COL, RefType ) \
Chris@16:     ::boost::unit_test::for_each::deref(    \
Chris@16:         BOOST_TEST_FE_CUR_VAR,              \
Chris@16:         COL,                                \
Chris@16:         ::boost::type<RefType >(),          \
Chris@16:         BOOST_TEST_FE_IS_CONST( COL ) )     \
Chris@16: /**/
Chris@16: 
Chris@16: #if BOOST_WORKAROUND( BOOST_MSVC, == 1310 )
Chris@16: #define BOOST_TEST_LINE_NUM
Chris@16: #else
Chris@16: #define BOOST_TEST_LINE_NUM     __LINE__
Chris@16: #endif
Chris@16: 
Chris@16: #define BOOST_TEST_FE_CUR_VAR   BOOST_JOIN( _fe_cur_, BOOST_TEST_LINE_NUM )
Chris@16: #define BOOST_TEST_FE_END_VAR   BOOST_JOIN( _fe_end_, BOOST_TEST_LINE_NUM )
Chris@16: #define BOOST_TEST_FE_CON_VAR   BOOST_JOIN( _fe_con_, BOOST_TEST_LINE_NUM )
Chris@16: 
Chris@16: #define BOOST_TEST_FOREACH( RefType, var, COL )                                             \
Chris@16: if( BOOST_TEST_FE_ANY BOOST_TEST_FE_CUR_VAR = BOOST_TEST_FE_BEG( COL ) ) {} else            \
Chris@16: if( BOOST_TEST_FE_ANY BOOST_TEST_FE_END_VAR = BOOST_TEST_FE_END( COL ) ) {} else            \
Chris@16: for( bool BOOST_TEST_FE_CON_VAR = true;                                                     \
Chris@16:           BOOST_TEST_FE_CON_VAR && !BOOST_TEST_FE_DONE( COL );                              \
Chris@16:           BOOST_TEST_FE_CON_VAR ? BOOST_TEST_FE_NEXT( COL ) : BOOST_FOREACH_NOOP( COL ))    \
Chris@16:                                                                                             \
Chris@16:     if( (BOOST_TEST_FE_CON_VAR = false, false) ) {} else                                    \
Chris@16:     for( RefType var = BOOST_TEST_FE_DEREF( COL, RefType );                                 \
Chris@16:          !BOOST_TEST_FE_CON_VAR; BOOST_TEST_FE_CON_VAR = true )                             \
Chris@16: /**/
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: } // namespace for_each
Chris@16: 
Chris@16: } // namespace unit_test
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: #include <boost/test/detail/enable_warnings.hpp>
Chris@16: 
Chris@16: #endif // BOOST_TEST_FOREACH_HPP_021005GER