1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Mighty Bimap</title> 5<link rel="stylesheet" href="../../boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../index.html" title="Chapter 1. Boost.Bimap"> 8<link rel="up" href="../examples.html" title="Examples"> 9<link rel="prev" href="simple_bimap.html" title="Simple Bimap"> 10<link rel="next" href="multiindex_to_bimap_path___bidirectional_map.html" title="MultiIndex to Bimap Path - Bidirectional Map"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="simple_bimap.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../examples.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="multiindex_to_bimap_path___bidirectional_map.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h3 class="title"> 27<a name="boost_bimap.examples.mighty_bimap"></a><a class="link" href="mighty_bimap.html" title="Mighty Bimap">Mighty Bimap</a> 28</h3></div></div></div> 29<p> 30 This is the translator example from the tutorial. In this example the collection 31 type of relation is changed to allow the iteration of the container. 32 </p> 33<p> 34 <a href="../../../../example/mighty_bimap.cpp" target="_top">Go to source code</a> 35 </p> 36<p> 37</p> 38<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span> 39<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">string</span><span class="special">></span> 40<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">bimap</span><span class="special">/</span><span class="identifier">bimap</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> 41<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">bimap</span><span class="special">/</span><span class="identifier">list_of</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> 42<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">bimap</span><span class="special">/</span><span class="identifier">unordered_set_of</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> 43 44<span class="keyword">struct</span> <span class="identifier">english</span> <span class="special">{};</span> 45<span class="keyword">struct</span> <span class="identifier">spanish</span> <span class="special">{};</span> 46 47<span class="keyword">int</span> <span class="identifier">main</span><span class="special">()</span> 48<span class="special">{</span> 49 <span class="keyword">using</span> <span class="keyword">namespace</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">bimaps</span><span class="special">;</span> 50 51 <span class="keyword">typedef</span> <span class="identifier">bimap</span> 52 <span class="special"><</span> 53 <span class="identifier">unordered_set_of</span><span class="special"><</span> <span class="identifier">tagged</span><span class="special"><</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">,</span> <span class="identifier">spanish</span> <span class="special">></span> <span class="special">>,</span> 54 <span class="identifier">unordered_set_of</span><span class="special"><</span> <span class="identifier">tagged</span><span class="special"><</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">,</span> <span class="identifier">english</span> <span class="special">></span> <span class="special">>,</span> 55 <span class="identifier">list_of_relation</span> 56 57 <span class="special">></span> <span class="identifier">translator</span><span class="special">;</span> 58 59 <span class="identifier">translator</span> <span class="identifier">trans</span><span class="special">;</span> 60 61 <span class="comment">// We have to use `push_back` because the collection of relations is</span> 62 <span class="comment">// a `list_of_relation`</span> 63 64 <span class="identifier">trans</span><span class="special">.</span><span class="identifier">push_back</span><span class="special">(</span> <span class="identifier">translator</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">(</span><span class="string">"hola"</span> <span class="special">,</span><span class="string">"hello"</span> <span class="special">)</span> <span class="special">);</span> 65 <span class="identifier">trans</span><span class="special">.</span><span class="identifier">push_back</span><span class="special">(</span> <span class="identifier">translator</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">(</span><span class="string">"adios"</span> <span class="special">,</span><span class="string">"goodbye"</span> <span class="special">)</span> <span class="special">);</span> 66 <span class="identifier">trans</span><span class="special">.</span><span class="identifier">push_back</span><span class="special">(</span> <span class="identifier">translator</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">(</span><span class="string">"rosa"</span> <span class="special">,</span><span class="string">"rose"</span> <span class="special">)</span> <span class="special">);</span> 67 <span class="identifier">trans</span><span class="special">.</span><span class="identifier">push_back</span><span class="special">(</span> <span class="identifier">translator</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">(</span><span class="string">"mesa"</span> <span class="special">,</span><span class="string">"table"</span> <span class="special">)</span> <span class="special">);</span> 68 69 <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"enter a word"</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> 70 <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">word</span><span class="special">;</span> 71 <span class="identifier">std</span><span class="special">::</span><span class="identifier">getline</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">cin</span><span class="special">,</span><span class="identifier">word</span><span class="special">);</span> 72 73 <span class="comment">// Search the queried word on the from index (Spanish)</span> 74 75 <span class="identifier">translator</span><span class="special">::</span><span class="identifier">map_by</span><span class="special"><</span><span class="identifier">spanish</span><span class="special">>::</span><span class="identifier">const_iterator</span> <span class="identifier">is</span> 76 <span class="special">=</span> <span class="identifier">trans</span><span class="special">.</span><span class="identifier">by</span><span class="special"><</span><span class="identifier">spanish</span><span class="special">>().</span><span class="identifier">find</span><span class="special">(</span><span class="identifier">word</span><span class="special">);</span> 77 78 <span class="keyword">if</span><span class="special">(</span> <span class="identifier">is</span> <span class="special">!=</span> <span class="identifier">trans</span><span class="special">.</span><span class="identifier">by</span><span class="special"><</span><span class="identifier">spanish</span><span class="special">>().</span><span class="identifier">end</span><span class="special">()</span> <span class="special">)</span> 79 <span class="special">{</span> 80 <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="identifier">word</span> <span class="special"><<</span> <span class="string">" is said "</span> 81 <span class="special"><<</span> <span class="identifier">is</span><span class="special">-></span><span class="identifier">get</span><span class="special"><</span><span class="identifier">english</span><span class="special">>()</span> 82 <span class="special"><<</span> <span class="string">" in English"</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> 83 <span class="special">}</span> 84 <span class="keyword">else</span> 85 <span class="special">{</span> 86 <span class="comment">// Word not found in Spanish, try our luck in English</span> 87 88 <span class="identifier">translator</span><span class="special">::</span><span class="identifier">map_by</span><span class="special"><</span><span class="identifier">english</span><span class="special">>::</span><span class="identifier">const_iterator</span> <span class="identifier">ie</span> 89 <span class="special">=</span> <span class="identifier">trans</span><span class="special">.</span><span class="identifier">by</span><span class="special"><</span><span class="identifier">english</span><span class="special">>().</span><span class="identifier">find</span><span class="special">(</span><span class="identifier">word</span><span class="special">);</span> 90 91 <span class="keyword">if</span><span class="special">(</span> <span class="identifier">ie</span> <span class="special">!=</span> <span class="identifier">trans</span><span class="special">.</span><span class="identifier">by</span><span class="special"><</span><span class="identifier">english</span><span class="special">>().</span><span class="identifier">end</span><span class="special">()</span> <span class="special">)</span> 92 <span class="special">{</span> 93 <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="identifier">word</span> <span class="special"><<</span> <span class="string">" is said "</span> 94 <span class="special"><<</span> <span class="identifier">ie</span><span class="special">-></span><span class="identifier">get</span><span class="special"><</span><span class="identifier">spanish</span><span class="special">>()</span> 95 <span class="special"><<</span> <span class="string">" in Spanish"</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> 96 <span class="special">}</span> 97 <span class="keyword">else</span> 98 <span class="special">{</span> 99 <span class="comment">// Word not found, show the possible translations</span> 100 101 <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"No such word in the dictionary"</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> 102 <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"These are the possible translations"</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> 103 104 <span class="keyword">for</span><span class="special">(</span> <span class="identifier">translator</span><span class="special">::</span><span class="identifier">const_iterator</span> 105 <span class="identifier">i</span> <span class="special">=</span> <span class="identifier">trans</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> 106 <span class="identifier">i_end</span> <span class="special">=</span> <span class="identifier">trans</span><span class="special">.</span><span class="identifier">end</span><span class="special">();</span> 107 108 <span class="identifier">i</span> <span class="special">!=</span> <span class="identifier">i_end</span> <span class="special">;</span> <span class="special">++</span><span class="identifier">i</span> <span class="special">)</span> 109 <span class="special">{</span> 110 <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="identifier">i</span><span class="special">-></span><span class="identifier">get</span><span class="special"><</span><span class="identifier">spanish</span><span class="special">>()</span> 111 <span class="special"><<</span> <span class="string">" <---> "</span> 112 <span class="special"><<</span> <span class="identifier">i</span><span class="special">-></span><span class="identifier">get</span><span class="special"><</span><span class="identifier">english</span><span class="special">>()</span> 113 <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> 114 <span class="special">}</span> 115 <span class="special">}</span> 116 <span class="special">}</span> 117 <span class="keyword">return</span> <span class="number">0</span><span class="special">;</span> 118<span class="special">}</span> 119</pre> 120<p> 121 </p> 122</div> 123<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 124<td align="left"></td> 125<td align="right"><div class="copyright-footer">Copyright © 2006-2012 Matias Capeletto<p> 126 Distributed under the Boost Software License, Version 1.0. (See accompanying 127 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 128 </p> 129</div></td> 130</tr></table> 131<hr> 132<div class="spirit-nav"> 133<a accesskey="p" href="simple_bimap.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../examples.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="multiindex_to_bimap_path___bidirectional_map.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 134</div> 135</body> 136</html> 137
