]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
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 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( bm_type::value_type("one",1) ); | |
44 | bm.insert( 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 requiered here because we create | |
56 | our iterators as const. >>*/ | |
57 | const bm_type::left_iterator left_iter = bm.left.find("two"); | |
58 | oa << left_iter; | |
59 | ||
60 | const bm_type::right_iterator right_iter = bm.right.find(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 |