bimap/example/bimap_and_boost/xpressive.cpp
2019-04-23 14:10:01 +02:00

58 lines
1.6 KiB
C++

// 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 https://web.archive.org/web/20071014014301/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;
}