1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Class template split_iterator</title> 6<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../../string_algo/reference.html#header.boost.algorithm.string.find_iterator_hpp" title="Header <boost/algorithm/string/find_iterator.hpp>"> 10<link rel="prev" href="find_iterator.html" title="Class template find_iterator"> 11<link rel="next" href="make_find_iterator.html" title="Function template make_find_iterator"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img 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alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.algorithm.split_iterator"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Class template split_iterator</span></h2> 30<p>boost::algorithm::split_iterator — <a class="link" href="split_iterator.html" title="Class template split_iterator">split_iterator</a></p> 31</div> 32<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 33<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../string_algo/reference.html#header.boost.algorithm.string.find_iterator_hpp" title="Header <boost/algorithm/string/find_iterator.hpp>">boost/algorithm/string/find_iterator.hpp</a>> 34 35</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> IteratorT<span class="special">></span> 36<span class="keyword">class</span> <a class="link" href="split_iterator.html" title="Class template split_iterator">split_iterator</a> <span class="special">:</span> <span class="keyword">public</span> iterator_facade< split_iterator< IteratorT >, const iterator_range< IteratorT >, forward_traversal_tag > 37<span class="special">{</span> 38<span class="keyword">public</span><span class="special">:</span> 39 <span class="comment">// <a class="link" href="split_iterator.html#boost.algorithm.split_iteratorconstruct-copy-destruct">construct/copy/destruct</a></span> 40 <a class="link" href="split_iterator.html#id-1_3_3_9_10_2_1_2_6-bb"><span class="identifier">split_iterator</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 41 <a class="link" href="split_iterator.html#id-1_3_3_9_10_2_1_2_7-bb"><span class="identifier">split_iterator</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="split_iterator.html" title="Class template split_iterator">split_iterator</a> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 42 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FinderT<span class="special">></span> <a class="link" href="split_iterator.html#id-1_3_3_9_10_2_1_2_8-bb"><span class="identifier">split_iterator</span></a><span class="special">(</span><span class="identifier">IteratorT</span><span class="special">,</span> <span class="identifier">IteratorT</span><span class="special">,</span> <span class="identifier">FinderT</span><span class="special">)</span><span class="special">;</span> 43 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FinderT<span class="special">,</span> <span class="keyword">typename</span> RangeT<span class="special">></span> 44 <a class="link" href="split_iterator.html#id-1_3_3_9_10_2_1_2_9-bb"><span class="identifier">split_iterator</span></a><span class="special">(</span><span class="identifier">RangeT</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">FinderT</span><span class="special">)</span><span class="special">;</span> 45 46 <span class="comment">// <a class="link" href="split_iterator.html#id-1_3_3_9_10_2_1_2_5-bb">public member functions</a></span> 47 <span class="keyword">bool</span> <a class="link" href="split_iterator.html#id-1_3_3_9_10_2_1_2_5_1-bb"><span class="identifier">eof</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 48 49 <span class="comment">// <a class="link" href="split_iterator.html#id-1_3_3_9_10_2_1_2_10-bb">private member functions</a></span> 50 <span class="keyword">const</span> <span class="identifier">match_type</span> <span class="special">&</span> <a class="link" href="split_iterator.html#id-1_3_3_9_10_2_1_2_10_1-bb"><span class="identifier">dereference</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 51 <span class="keyword">void</span> <a class="link" href="split_iterator.html#id-1_3_3_9_10_2_1_2_10_2-bb"><span class="identifier">increment</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 52 <span class="keyword">bool</span> <a class="link" href="split_iterator.html#id-1_3_3_9_10_2_1_2_10_3-bb"><span class="identifier">equal</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="split_iterator.html" title="Class template split_iterator">split_iterator</a> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 53<span class="special">}</span><span class="special">;</span></pre></div> 54<div class="refsect1"> 55<a name="id-1.3.3.9.11.5.4"></a><h2>Description</h2> 56<p>Split iterator encapsulates a Finder and allows for incremental searching in a string. Unlike the find iterator, split iterator iterates through gaps between matches.</p> 57<p>Find iterator is a readable forward traversal iterator.</p> 58<p>Dereferencing the iterator yields an iterator_range delimiting the current match. </p> 59<div class="refsect2"> 60<a name="id-1.3.3.9.11.5.4.5"></a><h3> 61<a name="boost.algorithm.split_iteratorconstruct-copy-destruct"></a><code class="computeroutput">split_iterator</code> 62 public 63 construct/copy/destruct</h3> 64<div class="orderedlist"><ol class="orderedlist" type="1"> 65<li class="listitem"> 66<pre class="literallayout"><a name="id-1_3_3_9_10_2_1_2_6-bb"></a><span class="identifier">split_iterator</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Default constructor. <p>Construct null iterator. All null iterators are equal.</p> 67<p> 68</p> 69<div class="variablelist"><table border="0" class="variablelist compact"> 70<colgroup> 71<col align="left" valign="top"> 72<col> 73</colgroup> 74<tbody><tr> 75<td><p><span class="term">Postconditions:</span></p></td> 76<td><p>eof()==true </p></td> 77</tr></tbody> 78</table></div> 79</li> 80<li class="listitem"> 81<pre class="literallayout"><a name="id-1_3_3_9_10_2_1_2_7-bb"></a><span class="identifier">split_iterator</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="split_iterator.html" title="Class template split_iterator">split_iterator</a> <span class="special">&</span> Other<span class="special">)</span><span class="special">;</span></pre>Copy constructor. <p>Construct a copy of the <code class="computeroutput"><a class="link" href="split_iterator.html" title="Class template split_iterator">split_iterator</a></code> </p> 82</li> 83<li class="listitem"> 84<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FinderT<span class="special">></span> 85 <a name="id-1_3_3_9_10_2_1_2_8-bb"></a><span class="identifier">split_iterator</span><span class="special">(</span><span class="identifier">IteratorT</span> Begin<span class="special">,</span> <span class="identifier">IteratorT</span> End<span class="special">,</span> <span class="identifier">FinderT</span> Finder<span class="special">)</span><span class="special">;</span></pre>Constructor. <p>Construct new <code class="computeroutput"><a class="link" href="split_iterator.html" title="Class template split_iterator">split_iterator</a></code> for a given finder and a range. </p> 86</li> 87<li class="listitem"> 88<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FinderT<span class="special">,</span> <span class="keyword">typename</span> RangeT<span class="special">></span> 89 <a name="id-1_3_3_9_10_2_1_2_9-bb"></a><span class="identifier">split_iterator</span><span class="special">(</span><span class="identifier">RangeT</span> <span class="special">&</span> Col<span class="special">,</span> <span class="identifier">FinderT</span> Finder<span class="special">)</span><span class="special">;</span></pre>Constructor. <p>Construct new <code class="computeroutput"><a class="link" href="split_iterator.html" title="Class template split_iterator">split_iterator</a></code> for a given finder and a collection. </p> 90</li> 91</ol></div> 92</div> 93<div class="refsect2"> 94<a name="id-1.3.3.9.11.5.4.6"></a><h3> 95<a name="id-1_3_3_9_10_2_1_2_5-bb"></a><code class="computeroutput">split_iterator</code> public member functions</h3> 96<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> 97<pre class="literallayout"><span class="keyword">bool</span> <a name="id-1_3_3_9_10_2_1_2_5_1-bb"></a><span class="identifier">eof</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Eof check. <p>Check the eof condition. Eof condition means that there is nothing more to be searched i.e. <code class="computeroutput"><a class="link" href="find_iterator.html" title="Class template find_iterator">find_iterator</a></code> is after the last match. </p> 98</li></ol></div> 99</div> 100<div class="refsect2"> 101<a name="id-1.3.3.9.11.5.4.7"></a><h3> 102<a name="id-1_3_3_9_10_2_1_2_10-bb"></a><code class="computeroutput">split_iterator</code> private member functions</h3> 103<div class="orderedlist"><ol class="orderedlist" type="1"> 104<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">match_type</span> <span class="special">&</span> <a name="id-1_3_3_9_10_2_1_2_10_1-bb"></a><span class="identifier">dereference</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 105<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id-1_3_3_9_10_2_1_2_10_2-bb"></a><span class="identifier">increment</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 106<li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="id-1_3_3_9_10_2_1_2_10_3-bb"></a><span class="identifier">equal</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="split_iterator.html" title="Class template split_iterator">split_iterator</a> <span class="special">&</span> Other<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 107</ol></div> 108</div> 109</div> 110</div> 111<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 112<td align="left"></td> 113<td align="right"><div class="copyright-footer">Copyright © 2002-2004 Pavol Droba<p>Use, modification and distribution is subject to the Boost 114 Software License, Version 1.0. (See accompanying file 115 <code class="filename">LICENSE_1_0.txt</code> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 116 </p> 117</div></td> 118</tr></table> 119<hr> 120<div class="spirit-nav"> 121<a accesskey="p" href="find_iterator.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../string_algo/reference.html#header.boost.algorithm.string.find_iterator_hpp"><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="make_find_iterator.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 122</div> 123</body> 124</html> 125
