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<a name="boost.interprocess.basic_vectorstream"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle">Class template basic_vectorstream</span></h2>
<p>boost::interprocess::basic_vectorstream</p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../interprocess/indexes_reference.html#header.boost.interprocess.streams.vectorstream_hpp" title="Header &lt;boost/interprocess/streams/vectorstream.hpp&gt;">boost/interprocess/streams/vectorstream.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharVector<span class="special">,</span> <span class="keyword">typename</span> CharTraits<span class="special">&gt;</span> 
<span class="keyword">class</span> <a class="link" href="basic_vectorstream.html" title="Class template basic_vectorstream">basic_vectorstream</a> <span class="special">:</span>
  <span class="keyword">public</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_iostream</span><span class="special">&lt;</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">&gt;</span>
<span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// types</span>
  <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>
  <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special">&lt;</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">&gt;</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>  
  <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special">&lt;</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">&gt;</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>   
  <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special">&lt;</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">&gt;</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>   
  <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special">&lt;</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">&gt;</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>   
  <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special">&lt;</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">&gt;</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>

  <span class="comment">// <a class="link" href="basic_vectorstream.html#boost.interprocess.basic_vectorstreamconstruct-copy-destruct">construct/copy/destruct</a></span>
  <a class="link" href="basic_vectorstream.html#idm45879390212864-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>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> VectorParameter<span class="special">&gt;</span> 
    <a class="link" href="basic_vectorstream.html#idm45879390211120-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">&amp;</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> <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>

  <span class="comment">// <a class="link" href="basic_vectorstream.html#idm45879390222080-bb">public member functions</a></span>
  <a class="link" href="basic_vectorbuf.html" title="Class template basic_vectorbuf">basic_vectorbuf</a><span class="special">&lt;</span> <span class="identifier">CharVector</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">&gt;</span> <span class="special">*</span> <a class="link" href="basic_vectorstream.html#idm45879390221520-bb"><span class="identifier">rdbuf</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="basic_vectorstream.html#idm45879390220096-bb"><span class="identifier">swap_vector</span></a><span class="special">(</span><span class="identifier">vector_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">vector_type</span> <span class="special">&amp;</span> <a class="link" href="basic_vectorstream.html#idm45879390218032-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="basic_vectorstream.html#idm45879390216448-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>
  <span class="keyword">void</span> <a class="link" href="basic_vectorstream.html#idm45879390214352-bb"><span class="identifier">clear</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idm45555312225984"></a><h2>Description</h2>
<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>
<div class="refsect2">
<a name="idm45555312225056"></a><h3>
<a name="boost.interprocess.basic_vectorstreamconstruct-copy-destruct"></a><code class="computeroutput">basic_vectorstream</code> 
        public
       construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><a name="idm45879390212864-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>
<p>Constructor. Throws if vector_type default constructor throws. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> VectorParameter<span class="special">&gt;</span> 
  <a name="idm45879390211120-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">&amp;</span> param<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>
<p>Constructor. Throws if vector_type(const VectorParameter &amp;param) throws. </p>
</li>
</ol></div>
</div>
<div class="refsect2">
<a name="idm45555312190880"></a><h3>
<a name="idm45879390222080-bb"></a><code class="computeroutput">basic_vectorstream</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><a class="link" href="basic_vectorbuf.html" title="Class template basic_vectorbuf">basic_vectorbuf</a><span class="special">&lt;</span> <span class="identifier">CharVector</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">&gt;</span> <span class="special">*</span> <a name="idm45879390221520-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>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idm45879390220096-bb"></a><span class="identifier">swap_vector</span><span class="special">(</span><span class="identifier">vector_type</span> <span class="special">&amp;</span> vect<span class="special">)</span><span class="special">;</span></pre>
<p>Swaps the underlying vector with the passed vector. This function resets the read/write position in the stream. Does not throw. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">const</span> <span class="identifier">vector_type</span> <span class="special">&amp;</span> <a name="idm45879390218032-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>
<p>Returns a const reference to the internal vector. Does not throw. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idm45879390216448-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>
<p>Calls reserve() method of the internal vector. Resets the stream to the first position. Throws if the internals vector's reserve throws. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idm45879390214352-bb"></a><span class="identifier">clear</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p>Calls clear() method of the internal vector. Resets the stream to the first position. </p>
</li>
</ol></div>
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