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25</div> 26<div class="refentry"> 27<a name="boost.interprocess.basic_vectorstream"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Class template basic_vectorstream</span></h2> 30<p>boost::interprocess::basic_vectorstream</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="../../interprocess/indexes_reference.html#header.boost.interprocess.streams.vectorstream_hpp" title="Header <boost/interprocess/streams/vectorstream.hpp>">boost/interprocess/streams/vectorstream.hpp</a>> 34 35</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharVector<span class="special">,</span> <span class="keyword">typename</span> CharTraits<span class="special">></span> 36<span class="keyword">class</span> <a class="link" href="basic_vectorstream.html" title="Class template basic_vectorstream">basic_vectorstream</a> <span class="special">:</span> 37 <span class="keyword">public</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_iostream</span><span class="special"><</span> <span class="identifier">CharVector</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span> 38<span class="special">{</span> 39<span class="keyword">public</span><span class="special">:</span> 40 <span class="comment">// types</span> 41 <span class="keyword">typedef</span> <span class="identifier">CharVector</span> <a name="boost.interprocess.basic_vectorstream.vector_type"></a><span class="identifier">vector_type</span><span class="special">;</span> 42 <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">CharVector</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span><span class="special">::</span><span class="identifier">char_type</span> <a name="boost.interprocess.basic_vectorstream.char_type"></a><span class="identifier">char_type</span><span class="special">;</span> 43 <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special"><</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span><span class="special">::</span><span class="identifier">int_type</span> <a name="boost.interprocess.basic_vectorstream.int_type"></a><span class="identifier">int_type</span><span class="special">;</span> 44 <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special"><</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span><span class="special">::</span><span class="identifier">pos_type</span> <a name="boost.interprocess.basic_vectorstream.pos_type"></a><span class="identifier">pos_type</span><span class="special">;</span> 45 <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special"><</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span><span class="special">::</span><span class="identifier">off_type</span> <a name="boost.interprocess.basic_vectorstream.off_type"></a><span class="identifier">off_type</span><span class="special">;</span> 46 <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special"><</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span><span class="special">::</span><span class="identifier">traits_type</span> <a name="boost.interprocess.basic_vectorstream.traits_type"></a><span class="identifier">traits_type</span><span class="special">;</span> 47 48 <span class="comment">// <a class="link" href="basic_vectorstream.html#boost.interprocess.basic_vectorstreamconstruct-copy-destruct">construct/copy/destruct</a></span> 49 <a class="link" href="basic_vectorstream.html#idm45304010480512-bb"><span class="identifier">basic_vectorstream</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">openmode</span> <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">in</span><span class="special">|</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">out</span><span class="special">)</span><span class="special">;</span> 50 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> VectorParameter<span class="special">></span> 51 <a class="link" href="basic_vectorstream.html#idm45304010478768-bb"><span class="identifier">basic_vectorstream</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">VectorParameter</span> <span class="special">&</span><span class="special">,</span> 52 <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">openmode</span> <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">in</span><span class="special">|</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">out</span><span class="special">)</span><span class="special">;</span> 53 54 <span class="comment">// <a class="link" href="basic_vectorstream.html#idm45304010489728-bb">public member functions</a></span> 55 <a class="link" href="basic_vectorbuf.html" title="Class template basic_vectorbuf">basic_vectorbuf</a><span class="special"><</span> <span class="identifier">CharVector</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span> <span class="special">*</span> <a class="link" href="basic_vectorstream.html#idm45304010489168-bb"><span class="identifier">rdbuf</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 56 <span class="keyword">void</span> <a class="link" href="basic_vectorstream.html#idm45304010487744-bb"><span class="identifier">swap_vector</span></a><span class="special">(</span><span class="identifier">vector_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 57 <span class="keyword">const</span> <span class="identifier">vector_type</span> <span class="special">&</span> <a class="link" href="basic_vectorstream.html#idm45304010485680-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 58 <span class="keyword">void</span> <a class="link" href="basic_vectorstream.html#idm45304010484096-bb"><span class="identifier">reserve</span></a><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">vector_type</span><span class="special">::</span><span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span> 59 <span class="keyword">void</span> <a class="link" href="basic_vectorstream.html#idm45304010482000-bb"><span class="identifier">clear</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 60<span class="special">}</span><span class="special">;</span></pre></div> 61<div class="refsect1"> 62<a name="id-1.3.19.17.3.56.7.4"></a><h2>Description</h2> 63<p>A basic_iostream class that holds a character vector specified by CharVector template parameter as its formatting buffer. The vector must have contiguous storage, like std::vector, boost::interprocess::vector or boost::interprocess::basic_string </p> 64<div class="refsect2"> 65<a name="id-1.3.19.17.3.56.7.4.3"></a><h3> 66<a name="boost.interprocess.basic_vectorstreamconstruct-copy-destruct"></a><code class="computeroutput">basic_vectorstream</code> 67 public 68 construct/copy/destruct</h3> 69<div class="orderedlist"><ol class="orderedlist" type="1"> 70<li class="listitem"> 71<pre class="literallayout"><a name="idm45304010480512-bb"></a><span class="identifier">basic_vectorstream</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">openmode</span> mode <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">in</span><span class="special">|</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">out</span><span class="special">)</span><span class="special">;</span></pre> 72<p>Constructor. Throws if vector_type default constructor throws. </p> 73</li> 74<li class="listitem"> 75<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> VectorParameter<span class="special">></span> 76 <a name="idm45304010478768-bb"></a><span class="identifier">basic_vectorstream</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">VectorParameter</span> <span class="special">&</span> param<span class="special">,</span> 77 <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">openmode</span> mode <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">in</span><span class="special">|</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">out</span><span class="special">)</span><span class="special">;</span></pre> 78<p>Constructor. Throws if vector_type(const VectorParameter &param) throws. </p> 79</li> 80</ol></div> 81</div> 82<div class="refsect2"> 83<a name="id-1.3.19.17.3.56.7.4.4"></a><h3> 84<a name="idm45304010489728-bb"></a><code class="computeroutput">basic_vectorstream</code> public member functions</h3> 85<div class="orderedlist"><ol class="orderedlist" type="1"> 86<li class="listitem"><pre class="literallayout"><a class="link" href="basic_vectorbuf.html" title="Class template basic_vectorbuf">basic_vectorbuf</a><span class="special"><</span> <span class="identifier">CharVector</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span> <span class="special">*</span> <a name="idm45304010489168-bb"></a><span class="identifier">rdbuf</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 87<li class="listitem"> 88<pre class="literallayout"><span class="keyword">void</span> <a name="idm45304010487744-bb"></a><span class="identifier">swap_vector</span><span class="special">(</span><span class="identifier">vector_type</span> <span class="special">&</span> vect<span class="special">)</span><span class="special">;</span></pre> 89<p>Swaps the underlying vector with the passed vector. This function resets the read/write position in the stream. Does not throw. </p> 90</li> 91<li class="listitem"> 92<pre class="literallayout"><span class="keyword">const</span> <span class="identifier">vector_type</span> <span class="special">&</span> <a name="idm45304010485680-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 93<p>Returns a const reference to the internal vector. Does not throw. </p> 94</li> 95<li class="listitem"> 96<pre class="literallayout"><span class="keyword">void</span> <a name="idm45304010484096-bb"></a><span class="identifier">reserve</span><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">vector_type</span><span class="special">::</span><span class="identifier">size_type</span> size<span class="special">)</span><span class="special">;</span></pre> 97<p>Calls reserve() method of the internal vector. Resets the stream to the first position. Throws if the internals vector's reserve throws. </p> 98</li> 99<li class="listitem"> 100<pre class="literallayout"><span class="keyword">void</span> <a name="idm45304010482000-bb"></a><span class="identifier">clear</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> 101<p>Calls clear() method of the internal vector. Resets the stream to the first position. </p> 102</li> 103</ol></div> 104</div> 105</div> 106</div> 107<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 108<td align="left"></td> 109<td align="right"><div class="copyright-footer">Copyright © 2005-2015 Ion Gaztanaga<p> 110 Distributed under the Boost Software License, Version 1.0. (See accompanying 111 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>) 112 </p> 113</div></td> 114</tr></table> 115<hr> 116<div class="spirit-nav"> 117<a accesskey="p" href="basic_vectorbuf.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../interprocess/indexes_reference.html#header.boost.interprocess.streams.vectorstream_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="file_lock.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 118</div> 119</body> 120</html> 121
