90 lines
2.5 KiB
C++
90 lines
2.5 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 <fstream>
|
|
#include <string>
|
|
#include <cassert>
|
|
|
|
#include <boost/bimap/bimap.hpp>
|
|
|
|
#include <boost/archive/text_oarchive.hpp>
|
|
#include <boost/archive/text_iarchive.hpp>
|
|
|
|
using namespace boost::bimaps;
|
|
|
|
int main()
|
|
{
|
|
//[ code_bimap_and_boost_serialization
|
|
|
|
typedef bimap< std::string, int > bm_type;
|
|
|
|
// Create a bimap and serialize it to a file
|
|
{
|
|
bm_type bm;
|
|
bm.insert( bm_type::value_type("one",1) );
|
|
bm.insert( bm_type::value_type("two",2) );
|
|
|
|
std::ofstream ofs("data");
|
|
boost::archive::text_oarchive oa(ofs);
|
|
|
|
oa << const_cast<const bm_type&>(bm); /*<
|
|
We must do a const cast because Boost.Serialization archives
|
|
only save const objects. Read Boost.Serializartion docs for the
|
|
rationale behind this decision >*/
|
|
|
|
/*<< We can only serialize iterators if the bimap was serialized first.
|
|
Note that the const cast is not requiered here because we create
|
|
our iterators as const. >>*/
|
|
const bm_type::left_iterator left_iter = bm.left.find("two");
|
|
oa << left_iter;
|
|
|
|
const bm_type::right_iterator right_iter = bm.right.find(1);
|
|
oa << right_iter;
|
|
}
|
|
|
|
// Load the bimap back
|
|
{
|
|
bm_type bm;
|
|
|
|
std::ifstream ifs("data", std::ios::binary);
|
|
boost::archive::text_iarchive ia(ifs);
|
|
|
|
ia >> bm;
|
|
|
|
assert( bm.size() == 2 );
|
|
|
|
bm_type::left_iterator left_iter;
|
|
ia >> left_iter;
|
|
|
|
assert( left_iter->first == "two" );
|
|
|
|
bm_type::right_iterator right_iter;
|
|
ia >> right_iter;
|
|
|
|
assert( right_iter->first == 1 );
|
|
}
|
|
//]
|
|
|
|
return 0;
|
|
}
|
|
|