<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>ucommon: linked.cpp</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">ucommon</div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li><a href="examples.html"><span>Examples</span></a></li> </ul> </div> </div> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> initNavTree('a00003.html',''); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <h1>linked.cpp</h1> </div> </div> <div class="contents"> <p>An example of the linked object classes and their use.</p> <div class="fragment"><pre class="fragment"><span class="comment">// Copyright (C) 2006-2010 David Sugar, Tycho Softworks.</span> <span class="comment">//</span> <span class="comment">// This file is part of GNU uCommon C++.</span> <span class="comment">//</span> <span class="comment">// GNU uCommon C++ is free software: you can redistribute it and/or modify</span> <span class="comment">// it under the terms of the GNU Lesser General Public License as published</span> <span class="comment">// by the Free Software Foundation, either version 3 of the License, or</span> <span class="comment">// (at your option) any later version.</span> <span class="comment">//</span> <span class="comment">// GNU uCommon C++ is distributed in the hope that it will be useful,</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span> <span class="comment">// GNU Lesser General Public License for more details.</span> <span class="comment">//</span> <span class="comment">// You should have received a copy of the GNU Lesser General Public License</span> <span class="comment">// along with GNU uCommon C++. If not, see <http://www.gnu.org/licenses/>.</span> <span class="preprocessor">#ifndef DEBUG</span> <span class="preprocessor"></span><span class="preprocessor">#define DEBUG</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span> <span class="preprocessor"></span> <span class="preprocessor">#include <<a class="code" href="a00202.html" title="Top level include file for the GNU uCommon C++ core library.">ucommon/ucommon.h</a>></span> <span class="preprocessor">#include <stdio.h></span> <span class="keyword">using namespace </span>UCOMMON_NAMESPACE; <span class="keyword">typedef</span> <a name="_a0"></a><a class="code" href="a00062.html" title="Template value class to embed data structure into a linked list.">linked_value<int></a> ints; <span class="keyword">static</span> <a name="_a1"></a><a class="code" href="a00098.html" title="An index container for maintaining an ordered list of objects.">OrderedIndex</a> list; <span class="keyword">class </span>member : <span class="keyword">public</span> <a name="_a2"></a><a class="code" href="a00045.html" title="A double-linked Object, used for certain kinds of lists.">DLinkedObject</a> { <span class="keyword">public</span>: <span class="keyword">inline</span> member(<span class="keywordtype">unsigned</span> v) : <a class="code" href="a00045.html" title="A double-linked Object, used for certain kinds of lists.">DLinkedObject</a>() {value = v;} <span class="keywordtype">unsigned</span> value; }; <span class="keyword">extern</span> <span class="stringliteral">"C"</span> <span class="keywordtype">int</span> main() { <a name="_a3"></a><a class="code" href="a00061.html" title="A smart pointer template for iterating linked lists.">linked_pointer<ints></a> ptr; <span class="keywordtype">unsigned</span> count = 0; <span class="comment">// Since value templates pass by reference, we must have referencable</span> <span class="comment">// objects or variables. This avoids passing values by duplicating</span> <span class="comment">// objects onto the stack frame, though it causes problems for built-in</span> <span class="comment">// types...</span> <span class="keywordtype">int</span> xv = 3, xn = 5; ints v1(&list, xv); ints v2(&list); v2 = xn; ptr = &list; <span class="keywordflow">while</span>(ptr) { <span class="keywordflow">switch</span>(++count) { <span class="keywordflow">case</span> 1: assert(ptr->value == 3); <span class="keywordflow">break</span>; <span class="keywordflow">case</span> 2: assert(ptr->value == 5); } ++ptr; } assert(count == 2); member ov1 = 1, ov2 = 2, ov3 = 3; assert(ov2.value == 2); <a class="code" href="a00187.html#a5de7558458f5f008710122bd706432f9" title="Convenience type for a stack of linked objects.">objstack_t</a> st; <a name="a4"></a><a class="code" href="a00180.html#aca6c5f30bf9139ccfa345dd68688bcad" title="Convenience function to push an object onto a stack.">push</a>(st, &ov1); <a class="code" href="a00180.html#aca6c5f30bf9139ccfa345dd68688bcad" title="Convenience function to push an object onto a stack.">push</a>(st, &ov2); <a class="code" href="a00180.html#aca6c5f30bf9139ccfa345dd68688bcad" title="Convenience function to push an object onto a stack.">push</a>(st, &ov3); member *mv = (member *)<a name="a5"></a><a class="code" href="a00187.html#a7cc3128c4401e1eaf84dce788aa8b7be" title="Pop a linked object from a stack of linked objects.">pop</a>(st); assert(mv->value == 3); <a class="code" href="a00187.html#a7cc3128c4401e1eaf84dce788aa8b7be" title="Pop a linked object from a stack of linked objects.">pop</a>(st); <a class="code" href="a00187.html#a7cc3128c4401e1eaf84dce788aa8b7be" title="Pop a linked object from a stack of linked objects.">pop</a>(st); assert(NULL == <a class="code" href="a00187.html#a7cc3128c4401e1eaf84dce788aa8b7be" title="Pop a linked object from a stack of linked objects.">pop</a>(st)); <a name="_a6"></a><a class="code" href="a00096.html" title="Template for typesafe basic object queue container.">objqueue<member></a> que; que.<a name="a7"></a><a class="code" href="a00096.html#ae2032873c2c026c509c3c3c6bec88c61" title="Add an object to the end of the object queue.">add</a>(&ov1); que.<a class="code" href="a00096.html#ae2032873c2c026c509c3c3c6bec88c61" title="Add an object to the end of the object queue.">add</a>(&ov2); que.<a class="code" href="a00096.html#ae2032873c2c026c509c3c3c6bec88c61" title="Add an object to the end of the object queue.">add</a>(&ov3); mv = que.<a name="a8"></a><a class="code" href="a00096.html#ab800bd4088c650f5d4eb6155c5e6fe13" title="Pop an object from the end of the object queue.">pop</a>(); assert(mv->value == 3); mv = que.<a name="a9"></a><a class="code" href="a00096.html#a004193ad6673fa9e849c6fac48b5a224" title="Pull an object from the start of the object queue.">pull</a>(); assert(mv != NULL); <span class="comment">// assert(mv->value == 1);</span> <span class="keywordflow">return</span> 0; } </pre></div> </div> </div> </div> <div id="nav-path" class="navpath"> <ul> <li class="footer">Generated on Wed Apr 13 2011 22:39:47 for ucommon by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </li> </ul> </div> </body> </html>