blob: 18bd6ba5438300c38c87bf43d0e0a974442f43bb [file] [log] [blame]
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>Mighty Bimap</title>
<link rel="stylesheet" href="../../boostbook.css" type="text/css">
<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
<link rel="home" href="../../index.html" title="Chapter&#160;1.&#160;Boost.Bimap">
<link rel="up" href="../examples.html" title="Examples">
<link rel="prev" href="simple_bimap.html" title="Simple Bimap">
<link rel="next" href="multiindex_to_bimap_path___bidirectional_map.html" title="MultiIndex to Bimap Path - Bidirectional Map">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table cellpadding="2" width="100%"><tr>
<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td>
<td align="center"><a href="../../../../../../index.html">Home</a></td>
<td align="center"><a href="../../../../../../libs/libraries.htm">Libraries</a></td>
<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
<td align="center"><a href="../../../../../../more/index.htm">More</a></td>
</tr></table>
<hr>
<div class="spirit-nav">
<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>
</div>
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="boost_bimap.examples.mighty_bimap"></a><a class="link" href="mighty_bimap.html" title="Mighty Bimap">Mighty Bimap</a>
</h3></div></div></div>
<p>
This is the translator example from the tutorial. In this example the collection
type of relation is changed to allow the iteration of the container.
</p>
<p>
<a href="../../../../example/mighty_bimap.cpp" target="_top">Go to source code</a>
</p>
<p>
</p>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">iostream</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">string</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</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">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</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">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</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">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">english</span> <span class="special">{};</span>
<span class="keyword">struct</span> <span class="identifier">spanish</span> <span class="special">{};</span>
<span class="keyword">int</span> <span class="identifier">main</span><span class="special">()</span>
<span class="special">{</span>
<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>
<span class="keyword">typedef</span> <span class="identifier">bimap</span>
<span class="special">&lt;</span>
<span class="identifier">unordered_set_of</span><span class="special">&lt;</span> <span class="identifier">tagged</span><span class="special">&lt;</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">&gt;</span> <span class="special">&gt;,</span>
<span class="identifier">unordered_set_of</span><span class="special">&lt;</span> <span class="identifier">tagged</span><span class="special">&lt;</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">&gt;</span> <span class="special">&gt;,</span>
<span class="identifier">list_of_relation</span>
<span class="special">&gt;</span> <span class="identifier">translator</span><span class="special">;</span>
<span class="identifier">translator</span> <span class="identifier">trans</span><span class="special">;</span>
<span class="comment">// We have to use `push_back` because the collection of relations is
</span> <span class="comment">// a `list_of_relation`
</span>
<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>
<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>
<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>
<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>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"enter a word"</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">word</span><span class="special">;</span>
<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>
<span class="comment">// Search the queried word on the from index (Spanish)
</span>
<span class="identifier">translator</span><span class="special">::</span><span class="identifier">map_by</span><span class="special">&lt;</span><span class="identifier">spanish</span><span class="special">&gt;::</span><span class="identifier">const_iterator</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">&lt;</span><span class="identifier">spanish</span><span class="special">&gt;().</span><span class="identifier">find</span><span class="special">(</span><span class="identifier">word</span><span class="special">);</span>
<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">&lt;</span><span class="identifier">spanish</span><span class="special">&gt;().</span><span class="identifier">end</span><span class="special">()</span> <span class="special">)</span>
<span class="special">{</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">word</span> <span class="special">&lt;&lt;</span> <span class="string">" is said "</span>
<span class="special">&lt;&lt;</span> <span class="identifier">is</span><span class="special">-&gt;</span><span class="identifier">get</span><span class="special">&lt;</span><span class="identifier">english</span><span class="special">&gt;()</span>
<span class="special">&lt;&lt;</span> <span class="string">" in English"</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="special">}</span>
<span class="keyword">else</span>
<span class="special">{</span>
<span class="comment">// Word not found in Spanish, try our luck in English
</span>
<span class="identifier">translator</span><span class="special">::</span><span class="identifier">map_by</span><span class="special">&lt;</span><span class="identifier">english</span><span class="special">&gt;::</span><span class="identifier">const_iterator</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">&lt;</span><span class="identifier">english</span><span class="special">&gt;().</span><span class="identifier">find</span><span class="special">(</span><span class="identifier">word</span><span class="special">);</span>
<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">&lt;</span><span class="identifier">english</span><span class="special">&gt;().</span><span class="identifier">end</span><span class="special">()</span> <span class="special">)</span>
<span class="special">{</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">word</span> <span class="special">&lt;&lt;</span> <span class="string">" is said "</span>
<span class="special">&lt;&lt;</span> <span class="identifier">ie</span><span class="special">-&gt;</span><span class="identifier">get</span><span class="special">&lt;</span><span class="identifier">spanish</span><span class="special">&gt;()</span>
<span class="special">&lt;&lt;</span> <span class="string">" in Spanish"</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="special">}</span>
<span class="keyword">else</span>
<span class="special">{</span>
<span class="comment">// Word not found, show the possible translations
</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"No such word in the dictionary"</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"These are the possible translations"</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="keyword">for</span><span class="special">(</span> <span class="identifier">translator</span><span class="special">::</span><span class="identifier">const_iterator</span>
<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>
<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>
<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>
<span class="special">{</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">i</span><span class="special">-&gt;</span><span class="identifier">get</span><span class="special">&lt;</span><span class="identifier">spanish</span><span class="special">&gt;()</span>
<span class="special">&lt;&lt;</span> <span class="string">" &lt;---&gt; "</span>
<span class="special">&lt;&lt;</span> <span class="identifier">i</span><span class="special">-&gt;</span><span class="identifier">get</span><span class="special">&lt;</span><span class="identifier">english</span><span class="special">&gt;()</span>
<span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="special">}</span>
<span class="special">}</span>
<span class="special">}</span>
<span class="keyword">return</span> <span class="number">0</span><span class="special">;</span>
<span class="special">}</span>
</pre>
<p>
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2006 -2007 Matias Capeletto<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
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>)
</p>
</div></td>
</tr></table>
<hr>
<div class="spirit-nav">
<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>
</div>
</body>
</html>