<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Class template basic_ibufferstream</title> <link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../../interprocess/indexes_reference.html#header.boost.interprocess.streams.bufferstream_hpp" title="Header <boost/interprocess/streams/bufferstream.hpp>"> <link rel="prev" href="basic_bufferstream.html" title="Class template basic_bufferstream"> <link rel="next" href="basic_obufferstream.html" title="Class template basic_obufferstream"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td 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src="../../../../doc/src/images/next.png" alt="Next"></a> </div> <div class="refentry"> <a name="boost.interprocess.basic_ibufferstream"></a><div class="titlepage"></div> <div class="refnamediv"> <h2><span class="refentrytitle">Class template basic_ibufferstream</span></h2> <p>boost::interprocess::basic_ibufferstream</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: <<a class="link" href="../../interprocess/indexes_reference.html#header.boost.interprocess.streams.bufferstream_hpp" title="Header <boost/interprocess/streams/bufferstream.hpp>">boost/interprocess/streams/bufferstream.hpp</a>> </span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> CharTraits<span class="special">></span> <span class="keyword">class</span> <a class="link" href="basic_ibufferstream.html" title="Class template basic_ibufferstream">basic_ibufferstream</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></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">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special"><</span> <span class="identifier">CharT</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_ibufferstream.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"><</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_ibufferstream.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"><</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_ibufferstream.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"><</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_ibufferstream.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"><</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_ibufferstream.traits_type"></a><span class="identifier">traits_type</span><span class="special">;</span> <span class="comment">// <a class="link" href="basic_ibufferstream.html#boost.interprocess.basic_ibufferstreamconstruct-copy-destruct">construct/copy/destruct</a></span> <a class="link" href="basic_ibufferstream.html#idm45879390335120-bb"><span class="identifier">basic_ibufferstream</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> <a class="link" href="basic_ibufferstream.html#idm45879390333424-bb"><span class="identifier">basic_ibufferstream</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</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="special">;</span> <a class="link" href="basic_ibufferstream.html#idm45879390330320-bb"><span class="special">~</span><span class="identifier">basic_ibufferstream</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> <span class="comment">// <a class="link" href="basic_ibufferstream.html#idm45879390342000-bb">public member functions</a></span> <a class="link" href="basic_bufferbuf.html" title="Class template basic_bufferbuf">basic_bufferbuf</a><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span> <span class="special">*</span> <a class="link" href="basic_ibufferstream.html#idm45879390341440-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="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special"><</span> <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="special">></span> <a class="link" href="basic_ibufferstream.html#idm45879390339584-bb"><span class="identifier">buffer</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_ibufferstream.html#idm45879390337984-bb"><span class="identifier">buffer</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">)</span><span class="special">;</span> <span class="special">}</span><span class="special">;</span></pre></div> <div class="refsect1"> <a name="idm45555313163616"></a><h2>Description</h2> <p>A basic_istream class that uses a fixed size character buffer as its formatting buffer. </p> <div class="refsect2"> <a name="idm45555313162832"></a><h3> <a name="boost.interprocess.basic_ibufferstreamconstruct-copy-destruct"></a><code class="computeroutput">basic_ibufferstream</code> public construct/copy/destruct</h3> <div class="orderedlist"><ol class="orderedlist" type="1"> <li class="listitem"> <pre class="literallayout"><a name="idm45879390335120-bb"></a><span class="identifier">basic_ibufferstream</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> <p>Constructor. Does not throw. </p> </li> <li class="listitem"> <pre class="literallayout"><a name="idm45879390333424-bb"></a><span class="identifier">basic_ibufferstream</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span> buf<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> length<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> <p>Constructor. Assigns formatting buffer. Does not throw. </p> </li> <li class="listitem"><pre class="literallayout"><a name="idm45879390330320-bb"></a><span class="special">~</span><span class="identifier">basic_ibufferstream</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> </ol></div> </div> <div class="refsect2"> <a name="idm45555313131168"></a><h3> <a name="idm45879390342000-bb"></a><code class="computeroutput">basic_ibufferstream</code> public member functions</h3> <div class="orderedlist"><ol class="orderedlist" type="1"> <li class="listitem"> <pre class="literallayout"><a class="link" href="basic_bufferbuf.html" title="Class template basic_bufferbuf">basic_bufferbuf</a><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span> <span class="special">*</span> <a name="idm45879390341440-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> <p>Returns the address of the stored stream buffer. </p> </li> <li class="listitem"> <pre class="literallayout"><span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special"><</span> <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="special">></span> <a name="idm45879390339584-bb"></a><span class="identifier">buffer</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> <p>Returns the pointer and size of the internal buffer. Does not throw. </p> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">void</span> <a name="idm45879390337984-bb"></a><span class="identifier">buffer</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span> buf<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> length<span class="special">)</span><span class="special">;</span></pre> <p>Sets the underlying buffer to a new value. Resets stream position. Does not throw. </p> </li> </ol></div> </div> </div> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2005-2015 Ion Gaztanaga<p> Distributed under the Boost Software License, Version 1.0. (See accompanying 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>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="basic_bufferstream.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../interprocess/indexes_reference.html#header.boost.interprocess.streams.bufferstream_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="basic_obufferstream.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>