<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Property Tree Synopsis</title> <link rel="stylesheet" href="../boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.75.2"> <link rel="home" href="../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../property_tree.html" title="Chapter 14. Boost.PropertyTree"> <link rel="prev" href="container.html" title="Property Tree as a Container"> <link rel="next" href="parsers.html" title="How to Populate a Property Tree"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../boost.png"></td> <td align="center"><a href="../../../index.html">Home</a></td> <td align="center"><a href="../../../libs/libraries.htm">Libraries</a></td> <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> <td align="center"><a href="../../../more/index.htm">More</a></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="container.html"><img src="../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../property_tree.html"><img src="../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="parsers.html"><img src="../../../doc/html/images/next.png" alt="Next"></a> </div> <div class="section" title="Property Tree Synopsis"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> <a name="boost_propertytree.synopsis"></a><a class="link" href="synopsis.html" title="Property Tree Synopsis"> Property Tree Synopsis</a> </h2></div></div></div> <p> The central component of the library is the <code class="computeroutput"><a class="link" href="../boost/property_tree/basic_ptree.html" title="Class template basic_ptree">basic_ptree</a></code> class template. Instances of this class are property trees. It is parametrized on key and data type, and key comparison policy; <code class="computeroutput"><a class="link" href="../boost/property_tree/ptree.html" title="Type definition ptree">ptree</a></code>, <code class="computeroutput"><a class="link" href="../boost/property_tree/wptree.html" title="Type definition wptree">wptree</a></code>, <code class="computeroutput"><a class="link" href="../boost/property_tree/iptree.html" title="Type definition iptree">iptree</a></code> and <code class="computeroutput"><a class="link" href="../boost/property_tree/wiptree.html" title="Type definition wiptree">wiptree</a></code> are typedefs of <code class="computeroutput"><a class="link" href="../boost/property_tree/basic_ptree.html" title="Class template basic_ptree">basic_ptree</a></code> using predefined combinations of template parameters. Property tree is basically a somewhat simplified standard container (the closest being std::list), plus a bunch of extra member functions. These functions allow easy and effective access to the data stored in property tree. They are various variants of <code class="computeroutput"><a class="link" href="../boost/property_tree/basic_ptree.html#id935737-bb">get</a></code>, <code class="computeroutput"><a class="link" href="../boost/property_tree/basic_ptree.html#id886772-bb">put</a></code>, <code class="computeroutput"><a class="link" href="../boost/property_tree/basic_ptree.html#id968636-bb">get_value</a></code>, <code class="computeroutput"><a class="link" href="../boost/property_tree/basic_ptree.html#id905283-bb">put_value</a></code>, <code class="computeroutput"><a class="link" href="../boost/property_tree/basic_ptree.html#id906014-bb">get_child</a></code>, <code class="computeroutput"><a class="link" href="../boost/property_tree/basic_ptree.html#id906187-bb">put_child</a></code>. Additionally, there is <code class="computeroutput"><a class="link" href="../boost/property_tree/basic_ptree.html#id905979-bb">data</a></code> function to access node data directly. </p> <p> See the <code class="computeroutput"><a class="link" href="../boost/property_tree/basic_ptree.html" title="Class template basic_ptree">basic_ptree class template synopsis</a></code> for more information. </p> </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 © 2008 Marcin Kalicinski<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="container.html"><img src="../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../property_tree.html"><img src="../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="parsers.html"><img src="../../../doc/html/images/next.png" alt="Next"></a> </div> </body> </html>