ceph/src/boost/libs/bimap/example/tutorial_modify_and_replace.cpp

   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 <string>
  24 #include <iostream>
  25
  26 #include <boost/bimap/bimap.hpp>
  27 #include <boost/bimap/support/lambda.hpp>
  28
  29 using namespace boost::bimaps;
  30
  31 void test_replace()
  32 {
  33     //[ code_tutorial_replace
  34
  35     typedef bimap< int, std::string > bm_type;
  36     bm_type bm;
  37
  38     bm.insert( bm_type::value_type(1,"one") );
  39
  40     // Replace (1,"one") with (1,"1") using the right map view
  41     {
  42         bm_type::right_iterator it = bm.right.find("one");
  43
  44         bool successful_replace = bm.right.replace_key( it, "1" );
  45
  46         assert( successful_replace );
  47     }
  48
  49     bm.insert( bm_type::value_type(2,"two") );
  50
  51     // Fail to replace (1,"1") with (1,"two") using the left map view
  52     {
  53         assert( bm.size() == 2 );
  54
  55         bm_type::left_iterator it = bm.left.find(1);
  56
  57         bool successful_replace = bm.left.replace_data( it, "two" );
  58
  59         /*<< `it` is still valid here, and the bimap was left unchanged >>*/
  60         assert( ! successful_replace );
  61         assert( bm.size() == 2 );
  62     }
  63     //]
  64 }
  65
  66 void test_modify()
  67 {
  68     //[ code_tutorial_modify
  69
  70     typedef bimap< int, std::string > bm_type;
  71     bm_type bm;
  72     bm.insert( bm_type::value_type(1,"one") );
  73
  74     // Modify (1,"one") to (1,"1") using the right map view
  75     {
  76         bm_type::right_iterator it = bm.right.find("one");
  77
  78         bool successful_modify = bm.right.modify_key( it , _key = "1" );
  79
  80         assert( successful_modify );
  81     }
  82
  83     bm.insert( bm_type::value_type(2,"two") );
  84
  85     // Fail to modify (1,"1") to (1,"two") using the left map view
  86     {
  87         assert( bm.size() == 2 );
  88
  89         bm_type::left_iterator it = bm.left.find(1);
  90
  91         bool successful_modify = bm.left.modify_data( it, _data = "two" );
  92
  93         /*<< `it` is not longer valid and `(1,"1")` is removed from the bimap >>*/
  94         assert( ! successful_modify );
  95         assert( bm.size() == 1 );
  96     }
  97     //]
  98
  99     /*
 100     // Modify (2,"two") to (3,"two") using the set of relations view
 101     {
 102         bm_type::iterator it = bm.begin();
 103
 104         bool successful_modify = bm.modify( it, ++_left );
 105
 106         assert( successful_modify );
 107     }
 108     */
 109 }
 110
 111 int main()
 112 {
 113     test_replace();
 114     test_modify();
 115     return 0;
 116 }
 117
 118