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  25 <div class="section boost_icl_examples_interval_container" lang="en">
  26 <div class="titlepage"><div><div><h3 class="title">
  27 <a name="boost_icl.examples.interval_container"></a><a class="link" href="interval_container.html" title="Interval container">Interval container</a>
  28 </h3></div></div></div>
  29 <p>
  30         Example <span class="bold"><strong>interval container</strong></span> demonstrates
  31         the characteristic behaviors of different interval containers that are also
  32         summarized in the introductory <a class="link" href="../../index.html#boost_icl.introduction.interval_combining_styles" title="Interval Combining Styles">Interval
  33         Combining Styles</a>.
  34       </p>
  35 <p>
  36         </p>
  37 <p>
  38
  39 </p>
  40 <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">iostream</span><span class="special">&gt;</span>
  41 <span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">icl</span><span class="special">/</span><span class="identifier">interval_set</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
  42 <span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">icl</span><span class="special">/</span><span class="identifier">separate_interval_set</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
  43 <span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">icl</span><span class="special">/</span><span class="identifier">split_interval_set</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
  44 <span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">icl</span><span class="special">/</span><span class="identifier">split_interval_map</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
  45 <span class="preprocessor">#include</span> <span class="string">"../toytime.hpp"</span>
  46
  47 <span class="keyword">using</span> <span class="keyword">namespace</span> <span class="identifier">std</span><span class="special">;</span>
  48 <span class="keyword">using</span> <span class="keyword">namespace</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">icl</span><span class="special">;</span>
  49
  50 <span class="keyword">void</span> <span class="identifier">interval_container_basics</span><span class="special">()</span>
  51 <span class="special">{</span>
  52     <span class="identifier">interval</span><span class="special">&lt;</span><span class="identifier">Time</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">night_and_day</span><span class="special">(</span><span class="identifier">Time</span><span class="special">(</span><span class="identifier">monday</span><span class="special">,</span>   <span class="number">20</span><span class="special">,</span><span class="number">00</span><span class="special">),</span> <span class="identifier">Time</span><span class="special">(</span><span class="identifier">tuesday</span><span class="special">,</span>  <span class="number">20</span><span class="special">,</span><span class="number">00</span><span class="special">));</span>
  53     <span class="identifier">interval</span><span class="special">&lt;</span><span class="identifier">Time</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">day_and_night</span><span class="special">(</span><span class="identifier">Time</span><span class="special">(</span><span class="identifier">tuesday</span><span class="special">,</span>   <span class="number">7</span><span class="special">,</span><span class="number">00</span><span class="special">),</span> <span class="identifier">Time</span><span class="special">(</span><span class="identifier">wednesday</span><span class="special">,</span> <span class="number">7</span><span class="special">,</span><span class="number">00</span><span class="special">));</span>
  54     <span class="identifier">interval</span><span class="special">&lt;</span><span class="identifier">Time</span><span class="special">&gt;::</span><span class="identifier">type</span>  <span class="identifier">next_morning</span><span class="special">(</span><span class="identifier">Time</span><span class="special">(</span><span class="identifier">wednesday</span><span class="special">,</span> <span class="number">7</span><span class="special">,</span><span class="number">00</span><span class="special">),</span> <span class="identifier">Time</span><span class="special">(</span><span class="identifier">wednesday</span><span class="special">,</span><span class="number">10</span><span class="special">,</span><span class="number">00</span><span class="special">));</span>
  55     <span class="identifier">interval</span><span class="special">&lt;</span><span class="identifier">Time</span><span class="special">&gt;::</span><span class="identifier">type</span>  <span class="identifier">next_evening</span><span class="special">(</span><span class="identifier">Time</span><span class="special">(</span><span class="identifier">wednesday</span><span class="special">,</span><span class="number">18</span><span class="special">,</span><span class="number">00</span><span class="special">),</span> <span class="identifier">Time</span><span class="special">(</span><span class="identifier">wednesday</span><span class="special">,</span><span class="number">21</span><span class="special">,</span><span class="number">00</span><span class="special">));</span>
  56
  57     <span class="comment">// An interval set of type interval_set joins intervals that that overlap or touch each other.
  58 </span>    <span class="identifier">interval_set</span><span class="special">&lt;</span><span class="identifier">Time</span><span class="special">&gt;</span> <span class="identifier">joinedTimes</span><span class="special">;</span>
  59     <span class="identifier">joinedTimes</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span><span class="identifier">night_and_day</span><span class="special">);</span>
  60     <span class="identifier">joinedTimes</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span><span class="identifier">day_and_night</span><span class="special">);</span> <span class="comment">//overlapping in 'day' [07:00, 20.00)
  61 </span>    <span class="identifier">joinedTimes</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span><span class="identifier">next_morning</span><span class="special">);</span>  <span class="comment">//touching
  62 </span>    <span class="identifier">joinedTimes</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span><span class="identifier">next_evening</span><span class="special">);</span>  <span class="comment">//disjoint
  63 </span>
  64     <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"Joined times  :"</span> <span class="special">&lt;&lt;</span> <span class="identifier">joinedTimes</span> <span class="special">&lt;&lt;</span> <span class="identifier">endl</span><span class="special">;</span>
  65
  66     <span class="comment">// A separate interval set of type separate_interval_set joins intervals that that
  67 </span>    <span class="comment">// overlap but it preserves interval borders that just touch each other. You may
  68 </span>    <span class="comment">// represent time grids like the months of a year as a split_interval_set.
  69 </span>    <span class="identifier">separate_interval_set</span><span class="special">&lt;</span><span class="identifier">Time</span><span class="special">&gt;</span> <span class="identifier">separateTimes</span><span class="special">;</span>
  70     <span class="identifier">separateTimes</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span><span class="identifier">night_and_day</span><span class="special">);</span>
  71     <span class="identifier">separateTimes</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span><span class="identifier">day_and_night</span><span class="special">);</span> <span class="comment">//overlapping in 'day' [07:00, 20.00)
  72 </span>    <span class="identifier">separateTimes</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span><span class="identifier">next_morning</span><span class="special">);</span>  <span class="comment">//touching
  73 </span>    <span class="identifier">separateTimes</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span><span class="identifier">next_evening</span><span class="special">);</span>  <span class="comment">//disjoint
  74 </span>
  75     <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"Separate times:"</span> <span class="special">&lt;&lt;</span> <span class="identifier">separateTimes</span> <span class="special">&lt;&lt;</span> <span class="identifier">endl</span><span class="special">;</span>
  76
  77     <span class="comment">// A split interval set of type split_interval_set preserves all interval
  78 </span>    <span class="comment">// borders. On insertion of overlapping intervals the intervals in the
  79 </span>    <span class="comment">// set are split up at the interval borders of the inserted interval.
  80 </span>    <span class="identifier">split_interval_set</span><span class="special">&lt;</span><span class="identifier">Time</span><span class="special">&gt;</span> <span class="identifier">splitTimes</span><span class="special">;</span>
  81     <span class="identifier">splitTimes</span> <span class="special">+=</span> <span class="identifier">night_and_day</span><span class="special">;</span>
  82     <span class="identifier">splitTimes</span> <span class="special">+=</span> <span class="identifier">day_and_night</span><span class="special">;</span> <span class="comment">//overlapping in 'day' [07:00, 20:00)
  83 </span>    <span class="identifier">splitTimes</span> <span class="special">+=</span> <span class="identifier">next_morning</span><span class="special">;</span>  <span class="comment">//touching
  84 </span>    <span class="identifier">splitTimes</span> <span class="special">+=</span> <span class="identifier">next_evening</span><span class="special">;</span>  <span class="comment">//disjoint
  85 </span>
  86     <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"Split times   :\n"</span> <span class="special">&lt;&lt;</span> <span class="identifier">splitTimes</span> <span class="special">&lt;&lt;</span> <span class="identifier">endl</span><span class="special">;</span>
  87
  88     <span class="comment">// A split interval map splits up inserted intervals on overlap and aggregates the
  89 </span>    <span class="comment">// associated quantities via the operator +=
  90 </span>    <span class="identifier">split_interval_map</span><span class="special">&lt;</span><span class="identifier">Time</span><span class="special">,</span> <span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">overlapCounter</span><span class="special">;</span>
  91     <span class="identifier">overlapCounter</span> <span class="special">+=</span> <span class="identifier">make_pair</span><span class="special">(</span><span class="identifier">night_and_day</span><span class="special">,</span><span class="number">1</span><span class="special">);</span>
  92     <span class="identifier">overlapCounter</span> <span class="special">+=</span> <span class="identifier">make_pair</span><span class="special">(</span><span class="identifier">day_and_night</span><span class="special">,</span><span class="number">1</span><span class="special">);</span> <span class="comment">//overlapping in 'day' [07:00, 20.00)
  93 </span>    <span class="identifier">overlapCounter</span> <span class="special">+=</span> <span class="identifier">make_pair</span><span class="special">(</span><span class="identifier">next_morning</span><span class="special">,</span> <span class="number">1</span><span class="special">);</span> <span class="comment">//touching
  94 </span>    <span class="identifier">overlapCounter</span> <span class="special">+=</span> <span class="identifier">make_pair</span><span class="special">(</span><span class="identifier">next_evening</span><span class="special">,</span> <span class="number">1</span><span class="special">);</span> <span class="comment">//disjoint
  95 </span>
  96     <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"Split times overlap counted:\n"</span> <span class="special">&lt;&lt;</span> <span class="identifier">overlapCounter</span> <span class="special">&lt;&lt;</span> <span class="identifier">endl</span><span class="special">;</span>
  97
  98     <span class="comment">// An interval map joins touching intervals, if associated values are equal
  99 </span>    <span class="identifier">interval_map</span><span class="special">&lt;</span><span class="identifier">Time</span><span class="special">,</span> <span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">joiningOverlapCounter</span><span class="special">;</span>
 100     <span class="identifier">joiningOverlapCounter</span> <span class="special">=</span> <span class="identifier">overlapCounter</span><span class="special">;</span>
 101     <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"Times overlap counted:\n"</span> <span class="special">&lt;&lt;</span> <span class="identifier">joiningOverlapCounter</span> <span class="special">&lt;&lt;</span> <span class="identifier">endl</span><span class="special">;</span>
 102 <span class="special">}</span>
 103
 104 <span class="keyword">int</span> <span class="identifier">main</span><span class="special">()</span>
 105 <span class="special">{</span>
 106     <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"&gt;&gt;Interval Container Library: Sample interval_container.cpp &lt;&lt;\n"</span><span class="special">;</span>
 107     <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"--------------------------------------------------------------\n"</span><span class="special">;</span>
 108     <span class="identifier">interval_container_basics</span><span class="special">();</span>
 109     <span class="keyword">return</span> <span class="number">0</span><span class="special">;</span>
 110 <span class="special">}</span>
 111
 112
 113 <span class="comment">// Program output:
 114 </span><span class="comment">/* ----------------------------------------------------------------------------
 115 &gt;&gt;Interval Container Library: Sample interval_container.cpp &lt;&lt;
 116 --------------------------------------------------------------
 117 Joined times  :[mon:20:00,wed:10:00)[wed:18:00,wed:21:00)
 118 Separate times:[mon:20:00,wed:07:00)[wed:07:00,wed:10:00)[wed:18:00,wed:21:00)
 119 Split times   :
 120 [mon:20:00,tue:07:00)[tue:07:00,tue:20:00)[tue:20:00,wed:07:00)
 121 [wed:07:00,wed:10:00)[wed:18:00,wed:21:00)
 122 Split times overlap counted:
 123 {([mon:20:00,tue:07:00)-&gt;1)([tue:07:00,tue:20:00)-&gt;2)([tue:20:00,wed:07:00)-&gt;1)
 124 ([wed:07:00,wed:10:00)-&gt;1)([wed:18:00,wed:21:00)-&gt;1)}
 125 Times overlap counted:
 126 {([mon:20:00,tue:07:00)-&gt;1)([tue:07:00,tue:20:00)-&gt;2)([tue:20:00,wed:10:00)-&gt;1)
 127 ([wed:18:00,wed:21:00)-&gt;1)}
 128 -----------------------------------------------------------------------------*/</span>
 129 </pre>
 130 <p>
 131         </p>
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 133       </p>
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 137 <td align="right"><div class="copyright-footer">Copyright &#169; 2007 -2010 Joachim Faulhaber<br>Copyright &#169; 1999 -2006 Cortex Software GmbH<p>
 138         Distributed under the Boost Software License, Version 1.0. (See accompanying
 139         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>)
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