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  26 <div class="refentry">
  27 <a name="boost.interprocess.basic_ivectorstream"></a><div class="titlepage"></div>
  28 <div class="refnamediv">
  29 <h2><span class="refentrytitle">Class template basic_ivectorstream</span></h2>
  30 <p>boost::interprocess::basic_ivectorstream</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: &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;
  34
  35 </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>
  36 <span class="keyword">class</span> <a class="link" href="basic_ivectorstream.html" title="Class template basic_ivectorstream">basic_ivectorstream</a> <span class="special">:</span>
  37   <span class="keyword">public</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</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>
  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_ivectorstream.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">&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_ivectorstream.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">&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_ivectorstream.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">&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_ivectorstream.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">&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_ivectorstream.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">&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_ivectorstream.traits_type"></a><span class="identifier">traits_type</span><span class="special">;</span>
  47
  48   <span class="comment">// <a class="link" href="basic_ivectorstream.html#boost.interprocess.basic_ivectorstreamconstruct-copy-destruct">construct/copy/destruct</a></span>
  49   <a class="link" href="basic_ivectorstream.html#idm45336640769760-bb"><span class="identifier">basic_ivectorstream</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="special">;</span>
  50   <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> VectorParameter<span class="special">&gt;</span>
  51     <a class="link" href="basic_ivectorstream.html#idm45336640768032-bb"><span class="identifier">basic_ivectorstream</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>
  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="special">;</span>
  53
  54   <span class="comment">// <a class="link" href="basic_ivectorstream.html#idm45336640779424-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">&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_ivectorstream.html#idm45336640778864-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_ivectorstream.html#idm45336640776992-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>
  57   <span class="keyword">const</span> <span class="identifier">vector_type</span> <span class="special">&amp;</span> <a class="link" href="basic_ivectorstream.html#idm45336640774928-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_ivectorstream.html#idm45336640773344-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_ivectorstream.html#idm45336640771248-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-1.3.19.17.3.56.4.4"></a><h2>Description</h2>
  63 <p>A basic_istream 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-1.3.19.17.3.56.4.4.3"></a><h3>
  66 <a name="boost.interprocess.basic_ivectorstreamconstruct-copy-destruct"></a><code class="computeroutput">basic_ivectorstream</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="idm45336640769760-bb"></a><span class="identifier">basic_ivectorstream</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="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">&lt;</span><span class="keyword">typename</span> VectorParameter<span class="special">&gt;</span>
  76   <a name="idm45336640768032-bb"></a><span class="identifier">basic_ivectorstream</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>
  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="special">;</span></pre>
  78 <p>Constructor. Throws if vector_type(const VectorParameter &amp;param) throws. </p>
  79 </li>
  80 </ol></div>
  81 </div>
  82 <div class="refsect2">
  83 <a name="id-1.3.19.17.3.56.4.4.4"></a><h3>
  84 <a name="idm45336640779424-bb"></a><code class="computeroutput">basic_ivectorstream</code> public member functions</h3>
  85 <div class="orderedlist"><ol class="orderedlist" type="1">
  86 <li class="listitem">
  87 <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="idm45336640778864-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>
  88 <p>Returns the address of the stored stream buffer. </p>
  89 </li>
  90 <li class="listitem">
  91 <pre class="literallayout"><span class="keyword">void</span> <a name="idm45336640776992-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>
  92 <p>Swaps the underlying vector with the passed vector. This function resets the read position in the stream. Does not throw. </p>
  93 </li>
  94 <li class="listitem">
  95 <pre class="literallayout"><span class="keyword">const</span> <span class="identifier">vector_type</span> <span class="special">&amp;</span> <a name="idm45336640774928-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>
  96 <p>Returns a const reference to the internal vector. Does not throw. </p>
  97 </li>
  98 <li class="listitem">
  99 <pre class="literallayout"><span class="keyword">void</span> <a name="idm45336640773344-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>
 100 <p>Calls reserve() method of the internal vector. Resets the stream to the first position. Throws if the internals vector's reserve throws. </p>
 101 </li>
 102 <li class="listitem">
 103 <pre class="literallayout"><span class="keyword">void</span> <a name="idm45336640771248-bb"></a><span class="identifier">clear</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
 104 <p>Calls clear() method of the internal vector. Resets the stream to the first position. </p>
 105 </li>
 106 </ol></div>
 107 </div>
 108 </div>
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 114         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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