libs/bimap/example/bimap_and_boost/xpressive.cpp

// Boost.Bimap
//
// Copyright (c) 2006-2007 Matias Capeletto
//
// 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)
//  VC++ 8.0 warns on usage of certain Standard Library and API functions that
//  can be cause buffer overruns or other possible security issues if misused.
//  See http://msdn.microsoft.com/msdnmag/issues/05/05/SafeCandC/default.aspx
//  But the wording of the warning is misleading and unsettling, there are no
//  portable alternative functions, and VC++ 8.0's own libraries use the
//  functions in question. So turn off the warnings.
#define _CRT_SECURE_NO_DEPRECATE
#define _SCL_SECURE_NO_DEPRECATE
// Boost.Bimap Example
//-----------------------------------------------------------------------------
#include <boost/config.hpp>
#include <string>
#include <boost/bimap/bimap.hpp>
#include <boost/xpressive/xpressive.hpp>
#include <boost/xpressive/regex_actions.hpp>
using namespace boost::bimaps;
using namespace boost::xpressive;
namespace xp = boost::xpressive;
int main()
{
    //[ code_bimap_and_boost_xpressive
    typedef bimap< std::string, int > bm_type;
    bm_type bm;
    std::string rel_str("one <--> 1     two <--> 2      three <--> 3");
    sregex rel = ( (s1= +_w) >> " <--> " >> (s2= +_d) )
    [
        xp::ref(bm)->*insert( xp::construct<bm_type::value_type>(s1, as<int>(s2)) )
    ];
    sregex relations = rel >> *(+_s >> rel);
    regex_match(rel_str, relations);
    assert( bm.size() == 3 );
    //]
    return 0;
}