1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>make_printable</title> 5<link rel="stylesheet" href="../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../index.html" title="Chapter 1. Boost.Beast"> 8<link rel="up" href="../ref.html" title="This Page Intentionally Left Blank 2/2"> 9<link rel="prev" href="boost__beast__system_category.html" title="system_category"> 10<link rel="next" href="boost__beast__ostream.html" title="ostream"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="boost__beast__system_category.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../ref.html"><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="boost__beast__ostream.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="beast.ref.boost__beast__make_printable"></a><a class="link" href="boost__beast__make_printable.html" title="make_printable">make_printable</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="idm46057512771168"></a> 31 </p> 32<p> 33 Helper to permit a buffer sequence to be printed to a std::ostream. 34 </p> 35<h5> 36<a name="beast.ref.boost__beast__make_printable.h0"></a> 37 <span class="phrase"><a name="beast.ref.boost__beast__make_printable.synopsis"></a></span><a class="link" href="boost__beast__make_printable.html#beast.ref.boost__beast__make_printable.synopsis">Synopsis</a> 38 </h5> 39<p> 40 Defined in header <code class="literal"><<a href="../../../../../../boost/beast/core/make_printable.hpp" target="_top">boost/beast/core/make_printable.hpp</a>></code> 41 </p> 42<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span> 43 <span class="keyword">class</span> <a href="../../../../../../doc/html/boost_asio/reference/ConstBufferSequence.html" target="_top"><span class="emphasis"><em>ConstBufferSequence</em></span></a><span class="special">></span> 44<span class="emphasis"><em>implementation-defined</em></span> 45<span class="identifier">make_printable</span><span class="special">(</span> 46 <span class="identifier">ConstBufferSequence</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">buffers</span><span class="special">);</span> 47</pre> 48<h5> 49<a name="beast.ref.boost__beast__make_printable.h1"></a> 50 <span class="phrase"><a name="beast.ref.boost__beast__make_printable.description"></a></span><a class="link" href="boost__beast__make_printable.html#beast.ref.boost__beast__make_printable.description">Description</a> 51 </h5> 52<p> 53 This function is used to wrap a buffer sequence to allow it to be interpreted 54 as characters and written to a <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream</span></code> 55 such as <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span></code>. No character translation is performed; 56 unprintable and null characters will be transferred as-is to the output stream. 57 </p> 58<h5> 59<a name="beast.ref.boost__beast__make_printable.h2"></a> 60 <span class="phrase"><a name="beast.ref.boost__beast__make_printable.example"></a></span><a class="link" href="boost__beast__make_printable.html#beast.ref.boost__beast__make_printable.example">Example</a> 61 </h5> 62<p> 63 This function prints the size and contents of a buffer sequence to standard 64 output: 65 </p> 66<pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">ConstBufferSequence</span><span class="special">></span> 67<span class="keyword">void</span> 68<span class="identifier">print</span> <span class="special">(</span><span class="identifier">ConstBufferSequence</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">buffers</span><span class="special">)</span> 69<span class="special">{</span> 70 <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> 71 <span class="string">"Buffer size: "</span> <span class="special"><<</span> <span class="identifier">buffer_bytes</span><span class="special">(</span><span class="identifier">buffers</span><span class="special">)</span> <span class="special"><<</span> <span class="string">" bytes\n"</span> 72 <span class="string">"Buffer data: '"</span> <span class="special"><<</span> <span class="identifier">make_printable</span><span class="special">(</span><span class="identifier">buffers</span><span class="special">)</span> <span class="special"><<</span> <span class="string">"'\n"</span><span class="special">;</span> 73<span class="special">}</span> 74</pre> 75<h5> 76<a name="beast.ref.boost__beast__make_printable.h3"></a> 77 <span class="phrase"><a name="beast.ref.boost__beast__make_printable.parameters"></a></span><a class="link" href="boost__beast__make_printable.html#beast.ref.boost__beast__make_printable.parameters">Parameters</a> 78 </h5> 79<div class="informaltable"><table class="table"> 80<colgroup> 81<col> 82<col> 83</colgroup> 84<thead><tr> 85<th> 86 <p> 87 Name 88 </p> 89 </th> 90<th> 91 <p> 92 Description 93 </p> 94 </th> 95</tr></thead> 96<tbody><tr> 97<td> 98 <p> 99 <code class="computeroutput"><span class="identifier">buffers</span></code> 100 </p> 101 </td> 102<td> 103 <p> 104 An object meeting the requirements of <span class="emphasis"><em>ConstBufferSequence</em></span> 105 to be streamed. The implementation will make a copy of this object. 106 Ownership of the underlying memory is not transferred, the application 107 is still responsible for managing its lifetime. 108 </p> 109 </td> 110</tr></tbody> 111</table></div> 112</div> 113<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 114<td align="left"></td> 115<td align="right"><div class="copyright-footer">Copyright © 2016-2019 Vinnie 116 Falco<p> 117 Distributed under the Boost Software License, Version 1.0. (See accompanying 118 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>) 119 </p> 120</div></td> 121</tr></table> 122<hr> 123<div class="spirit-nav"> 124<a accesskey="p" href="boost__beast__system_category.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../ref.html"><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="boost__beast__ostream.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 125</div> 126</body> 127</html> 128
