| 1 | // Boost.Bimap |
|---|---|
| 2 | // |
| 3 | // Copyright (c) 2006-2007 Matias Capeletto |
| 4 | // |
| 5 | // Distributed under the Boost Software License, Version 1.0. |
| 6 | // (See accompanying file LICENSE_1_0.txt or copy at |
| 7 | // http://www.boost.org/LICENSE_1_0.txt) |
| 8 | |
| 9 | // VC++ 8.0 warns on usage of certain Standard Library and API functions that |
| 10 | // can be cause buffer overruns or other possible security issues if misused. |
| 11 | // See https://web.archive.org/web/20071014014301/http://msdn.microsoft.com/msdnmag/issues/05/05/SafeCandC/default.aspx |
| 12 | // But the wording of the warning is misleading and unsettling, there are no |
| 13 | // portable alternative functions, and VC++ 8.0's own libraries use the |
| 14 | // functions in question. So turn off the warnings. |
| 15 | #define _CRT_SECURE_NO_DEPRECATE |
| 16 | #define _SCL_SECURE_NO_DEPRECATE |
| 17 | |
| 18 | // Boost.Bimap Example |
| 19 | //----------------------------------------------------------------------------- |
| 20 | |
| 21 | #include <boost/config.hpp> |
| 22 | |
| 23 | #include <fstream> |
| 24 | #include <string> |
| 25 | #include <cassert> |
| 26 | |
| 27 | #include <boost/bimap/bimap.hpp> |
| 28 | |
| 29 | #include <boost/archive/text_oarchive.hpp> |
| 30 | #include <boost/archive/text_iarchive.hpp> |
| 31 | |
| 32 | using namespace boost::bimaps; |
| 33 | |
| 34 | int main() |
| 35 | { |
| 36 | //[ code_bimap_and_boost_serialization |
| 37 | |
| 38 | typedef bimap< std::string, int > bm_type; |
| 39 | |
| 40 | // Create a bimap and serialize it to a file |
| 41 | { |
| 42 | bm_type bm; |
| 43 | bm.insert( x: bm_type::value_type("one",1) ); |
| 44 | bm.insert( x: bm_type::value_type("two",2) ); |
| 45 | |
| 46 | std::ofstream ofs("data"); |
| 47 | boost::archive::text_oarchive oa(ofs); |
| 48 | |
| 49 | oa << const_cast<const bm_type&>(bm); /*< |
| 50 | We must do a const cast because Boost.Serialization archives |
| 51 | only save const objects. Read Boost.Serializartion docs for the |
| 52 | rationale behind this decision >*/ |
| 53 | |
| 54 | /*<< We can only serialize iterators if the bimap was serialized first. |
| 55 | Note that the const cast is not required here because we create |
| 56 | our iterators as const. >>*/ |
| 57 | const bm_type::left_iterator left_iter = bm.left.find(k: "two"); |
| 58 | oa << left_iter; |
| 59 | |
| 60 | const bm_type::right_iterator right_iter = bm.right.find(k: 1); |
| 61 | oa << right_iter; |
| 62 | } |
| 63 | |
| 64 | // Load the bimap back |
| 65 | { |
| 66 | bm_type bm; |
| 67 | |
| 68 | std::ifstream ifs("data", std::ios::binary); |
| 69 | boost::archive::text_iarchive ia(ifs); |
| 70 | |
| 71 | ia >> bm; |
| 72 | |
| 73 | assert( bm.size() == 2 ); |
| 74 | |
| 75 | bm_type::left_iterator left_iter; |
| 76 | ia >> left_iter; |
| 77 | |
| 78 | assert( left_iter->first == "two"); |
| 79 | |
| 80 | bm_type::right_iterator right_iter; |
| 81 | ia >> right_iter; |
| 82 | |
| 83 | assert( right_iter->first == 1 ); |
| 84 | } |
| 85 | //] |
| 86 | |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 |