<html> <head> <!-- Generated by the Spirit (http://spirit.sf.net) QuickDoc --> <title>Exporting An Entire Header</title> <link rel="stylesheet" href="theme/style.css" type="text/css"> <link rel="prev" href="wrappers.html"> <link rel="next" href="smart_pointers.html"> </head> <body> <table width="100%" height="48" border="0" cellspacing="2"> <tr> <td><img src="../../../../boost.png"> </td> <td width="85%"> <font size="6" face="Verdana, Arial, Helvetica, sans-serif"><b>Exporting An Entire Header</b></font> </td> </tr> </table> <br> <table border="0"> <tr> <td width="30"><a href="../index.html"><img src="theme/u_arr.gif" border="0"></a></td> <td width="30"><a href="wrappers.html"><img src="theme/l_arr.gif" border="0"></a></td> <td width="20"><a href="smart_pointers.html"><img src="theme/r_arr.gif" border="0"></a></td> </tr> </table> <p> Pyste also supports a mechanism to export all declarations found in a header file. Suppose again our file, <tt>hello.h</tt>:</p> <code><pre> <span class=keyword>struct </span><span class=identifier>World </span><span class=special>{ </span><span class=identifier>World</span><span class=special>(</span><span class=identifier>std</span><span class=special>::</span><span class=identifier>string </span><span class=identifier>msg</span><span class=special>): </span><span class=identifier>msg</span><span class=special>(</span><span class=identifier>msg</span><span class=special>) {} </span><span class=keyword>void </span><span class=identifier>set</span><span class=special>(</span><span class=identifier>std</span><span class=special>::</span><span class=identifier>string </span><span class=identifier>msg</span><span class=special>) { </span><span class=keyword>this</span><span class=special>-></span><span class=identifier>msg </span><span class=special>= </span><span class=identifier>msg</span><span class=special>; } </span><span class=identifier>std</span><span class=special>::</span><span class=identifier>string </span><span class=identifier>greet</span><span class=special>() { </span><span class=keyword>return </span><span class=identifier>msg</span><span class=special>; } </span><span class=identifier>std</span><span class=special>::</span><span class=identifier>string </span><span class=identifier>msg</span><span class=special>; }; </span><span class=keyword>enum </span><span class=identifier>choice </span><span class=special>{ </span><span class=identifier>red</span><span class=special>, </span><span class=identifier>blue </span><span class=special>}; </span><span class=keyword>void </span><span class=identifier>show</span><span class=special>(</span><span class=identifier>choice </span><span class=identifier>c</span><span class=special>) { </span><span class=identifier>std</span><span class=special>::</span><span class=identifier>cout </span><span class=special><< </span><span class=string>"value: " </span><span class=special><< (</span><span class=keyword>int</span><span class=special>)</span><span class=identifier>c </span><span class=special><< </span><span class=identifier>std</span><span class=special>::</span><span class=identifier>endl</span><span class=special>; } </span></pre></code> <p> You can just use the <tt>AllFromHeader</tt> construct:</p> <code><pre> <span class=identifier>hello </span><span class=special>= </span><span class=identifier>AllFromHeader</span><span class=special>(</span><span class=string>"hello.h"</span><span class=special>) </span></pre></code> <p> this will export all the declarations found in <tt>hello.h</tt>, which is equivalent to write:</p> <code><pre> <span class=identifier>Class</span><span class=special>(</span><span class=string>"World"</span><span class=special>, </span><span class=string>"hello.h"</span><span class=special>) </span><span class=identifier>Enum</span><span class=special>(</span><span class=string>"choice"</span><span class=special>, </span><span class=string>"hello.h"</span><span class=special>) </span><span class=identifier>Function</span><span class=special>(</span><span class=string>"show"</span><span class=special>, </span><span class=string>"hello.h"</span><span class=special>) </span></pre></code> <p> Note that you can still use the functions <tt>rename</tt>, <tt>set_policy</tt>, <tt>exclude</tt>, etc. Just access the members of the header object like this:</p> <code><pre> <span class=identifier>rename</span><span class=special>(</span><span class=identifier>hello</span><span class=special>.</span><span class=identifier>World</span><span class=special>.</span><span class=identifier>greet</span><span class=special>, </span><span class=string>"Greet"</span><span class=special>) </span><span class=identifier>exclude</span><span class=special>(</span><span class=identifier>hello</span><span class=special>.</span><span class=identifier>World</span><span class=special>.</span><span class=identifier>set</span><span class=special>, </span><span class=string>"Set"</span><span class=special>) </span></pre></code> <table width="80%" border="0" align="center"> <tr> <td class="note_box"> <img src="theme/note.gif"></img> <b>AllFromHeader is broken</b> in some cases. Until it is fixed, use at you own risk. </td> </tr> </table> <table border="0"> <tr> <td width="30"><a href="../index.html"><img src="theme/u_arr.gif" border="0"></a></td> <td width="30"><a href="wrappers.html"><img src="theme/l_arr.gif" border="0"></a></td> <td width="20"><a href="smart_pointers.html"><img src="theme/r_arr.gif" border="0"></a></td> </tr> </table> <br> <hr size="1"><p class="copyright">Copyright © 2003 Bruno da Silva de Oliveira<br>Copyright © 2002-2003 Joel de Guzman<br><br> <font size="2">Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) </font> </p> </body> </html>