<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>TCLAP::VALUE_ARG_HELPER::ValueExtractor Class Reference</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> <link href="tabs.css" rel="stylesheet" type="text/css"> </head><body> <div align="left"><a href="http://www.mrpt.org/">Main MRPT website</a> > <b>C++ reference</b> </div> <div align="right"> <a href="index.html"><img border="0" src="mrpt_logo.png" alt="MRPT logo"></a> </div> <!-- Generated by Doxygen 1.7.5 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li> <div id="MSearchBox" class="MSearchBoxInactive"> <div class="left"> <form id="FSearchBox" action="search.php" method="get"> <img id="MSearchSelect" src="search/mag.png" alt=""/> <input type="text" id="MSearchField" name="query" value="Search" size="20" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)"/> </form> </div><div class="right"></div> </div> </li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="classes.html"><span>Class Index</span></a></li> <li><a href="inherits.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="namespace_t_c_l_a_p.html">TCLAP</a> </li> <li class="navelem"><a class="el" href="namespace_t_c_l_a_p_1_1_v_a_l_u_e___a_r_g___h_e_l_p_e_r.html">VALUE_ARG_HELPER</a> </li> <li class="navelem"><a class="el" href="class_t_c_l_a_p_1_1_v_a_l_u_e___a_r_g___h_e_l_p_e_r_1_1_value_extractor.html">ValueExtractor</a> </li> </ul> </div> </div> <div class="header"> <div class="summary"> <a href="#pri-methods">Private Member Functions</a> | <a href="#pri-attribs">Private Attributes</a> | <a href="#friends">Friends</a> </div> <div class="headertitle"> <div class="title">TCLAP::VALUE_ARG_HELPER::ValueExtractor Class Reference</div> </div> </div> <div class="contents"> <!-- doxytag: class="TCLAP::VALUE_ARG_HELPER::ValueExtractor" --><hr/><a name="details" id="details"></a><h2>Detailed Description</h2> <div class="textblock"><p>This class is used to extract a value from an argument. </p> <p>It is used because we need a special implementation to deal with <a class="el" href="classstd_1_1string.html" title="STL class.">std::string</a> and making a specialiced function puts it in the T segment, thus generating link errors. Having a specialiced class makes the symbols weak. This is not pretty but I don't know how to make it work any other way. </p> </div> <p><code>#include <<a class="el" href="_value_arg_8h_source.html">mrpt/otherlibs/tclap/ValueArg.h</a>></code></p> <p><a href="class_t_c_l_a_p_1_1_v_a_l_u_e___a_r_g___h_e_l_p_e_r_1_1_value_extractor-members.html">List of all members.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pri-methods"></a> Private Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_c_l_a_p_1_1_v_a_l_u_e___a_r_g___h_e_l_p_e_r_1_1_value_extractor.html#ad4912da61093a68f7b41a03c6a71ae4f">ValueExtractor</a> (T &value)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#ad4912da61093a68f7b41a03c6a71ae4f"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_c_l_a_p_1_1_v_a_l_u_e___a_r_g___h_e_l_p_e_r_1_1_value_extractor.html#a9f29ec2bc6e8af3c5e8c8f7233ea3255">extractValue</a> (const <a class="el" href="classstd_1_1string.html">std::string</a> &val)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Method that will attempt to parse the input stream for a value of type T. <a href="#a9f29ec2bc6e8af3c5e8c8f7233ea3255"></a><br/></td></tr> <tr><td colspan="2"><h2><a name="pri-attribs"></a> Private Attributes</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">T & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_c_l_a_p_1_1_v_a_l_u_e___a_r_g___h_e_l_p_e_r_1_1_value_extractor.html#a578f474590f01eb72ca06cea63fa826d">_value</a></td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Reference to the value where the result of the extraction will be put. <a href="#a578f474590f01eb72ca06cea63fa826d"></a><br/></td></tr> <tr><td colspan="2"><h2><a name="friends"></a> Friends</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_c_l_a_p_1_1_v_a_l_u_e___a_r_g___h_e_l_p_e_r_1_1_value_extractor.html#a44894806661ab7511a4bc9981c78feb2">ValueArg< T ></a></td></tr> </table> <hr/><h2>Constructor & Destructor Documentation</h2> <a class="anchor" id="ad4912da61093a68f7b41a03c6a71ae4f"></a><!-- doxytag: member="TCLAP::VALUE_ARG_HELPER::ValueExtractor::ValueExtractor" ref="ad4912da61093a68f7b41a03c6a71ae4f" args="(T &value)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">TCLAP::VALUE_ARG_HELPER::ValueExtractor::ValueExtractor </td> <td>(</td> <td class="paramtype">T & </td> <td class="paramname"><em>value</em></td><td>)</td> <td><code> [inline, private]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Constructor. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">value</td><td>- Where the value extracted will be put. </td></tr> </table> </dd> </dl> <p>Definition at line <a class="el" href="_value_arg_8h_source.html#l00082">82</a> of file <a class="el" href="_value_arg_8h_source.html">ValueArg.h</a>.</p> </div> </div> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a9f29ec2bc6e8af3c5e8c8f7233ea3255"></a><!-- doxytag: member="TCLAP::VALUE_ARG_HELPER::ValueExtractor::extractValue" ref="a9f29ec2bc6e8af3c5e8c8f7233ea3255" args="(const std::string &val)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int TCLAP::VALUE_ARG_HELPER::ValueExtractor::extractValue </td> <td>(</td> <td class="paramtype">const <a class="el" href="classstd_1_1string.html">std::string</a> & </td> <td class="paramname"><em>val</em></td><td>)</td> <td><code> [inline, private]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Method that will attempt to parse the input stream for a value of type T. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">val</td><td>- Where the value parsed will be put. </td></tr> </table> </dd> </dl> <p>Definition at line <a class="el" href="_value_arg_8h_source.html#l00089">89</a> of file <a class="el" href="_value_arg_8h_source.html">ValueArg.h</a>.</p> <p>References <a class="el" href="_value_arg_8h_source.html#l00076">_value</a>, <a class="el" href="_value_arg_8h_source.html#l00052">TCLAP::VALUE_ARG_HELPER::EXTRACT_FAILURE</a>, and <a class="el" href="_value_arg_8h_source.html#l00052">TCLAP::VALUE_ARG_HELPER::EXTRACT_TOO_MANY</a>.</p> <p>Referenced by <a class="el" href="_value_arg_8h_source.html#l00499">TCLAP::ValueArg::_extractValue()</a>.</p> </div> </div> <hr/><h2>Friends And Related Function Documentation</h2> <a class="anchor" id="a44894806661ab7511a4bc9981c78feb2"></a><!-- doxytag: member="TCLAP::VALUE_ARG_HELPER::ValueExtractor::ValueArg< T >" ref="a44894806661ab7511a4bc9981c78feb2" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">friend class <a class="el" href="class_t_c_l_a_p_1_1_value_arg.html">ValueArg</a>< T ><code> [friend]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Definition at line <a class="el" href="_value_arg_8h_source.html#l00068">68</a> of file <a class="el" href="_value_arg_8h_source.html">ValueArg.h</a>.</p> </div> </div> <hr/><h2>Member Data Documentation</h2> <a class="anchor" id="a578f474590f01eb72ca06cea63fa826d"></a><!-- doxytag: member="TCLAP::VALUE_ARG_HELPER::ValueExtractor::_value" ref="a578f474590f01eb72ca06cea63fa826d" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">T& <a class="el" href="class_t_c_l_a_p_1_1_v_a_l_u_e___a_r_g___h_e_l_p_e_r_1_1_value_extractor.html#a578f474590f01eb72ca06cea63fa826d">TCLAP::VALUE_ARG_HELPER::ValueExtractor::_value</a><code> [private]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Reference to the value where the result of the extraction will be put. </p> <p>Definition at line <a class="el" href="_value_arg_8h_source.html#l00076">76</a> of file <a class="el" href="_value_arg_8h_source.html">ValueArg.h</a>.</p> <p>Referenced by <a class="el" href="_value_arg_8h_source.html#l00089">extractValue()</a>, and <a class="el" href="_value_arg_8h_source.html#l00152">TCLAP::VALUE_ARG_HELPER::ValueExtractor< std::string >::extractValue()</a>.</p> </div> </div> </div> <br><hr><br> <table border="0" width="100%"> <tr> <td> Page generated by <a href="http://www.doxygen.org" target="_blank">Doxygen 1.7.5</a> for MRPT 0.9.5 SVN: at Sun Sep 25 17:20:18 UTC 2011</td><td></td> <td width="100"> </td> <td width="150"> </td></tr> </table> </body></html>