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<hr><h1>avlset.h</h1><div class="fragment"><pre>00001 <font class="comment">//</font>
00002 <font class="comment">// avlset.h --- definition for avl set class</font>
00003 <font class="comment">//</font>
00004 <font class="comment">// Copyright (C) 1998 Limit Point Systems, Inc.</font>
00005 <font class="comment">//</font>
00006 <font class="comment">// Author: Curtis Janssen &lt;cljanss@limitpt.com&gt;</font>
00007 <font class="comment">// Maintainer: LPS</font>
00008 <font class="comment">//</font>
00009 <font class="comment">// This file is part of the SC Toolkit.</font>
00010 <font class="comment">//</font>
00011 <font class="comment">// The SC Toolkit is free software; you can redistribute it and/or modify</font>
00012 <font class="comment">// it under the terms of the GNU Library General Public License as published by</font>
00013 <font class="comment">// the Free Software Foundation; either version 2, or (at your option)</font>
00014 <font class="comment">// any later version.</font>
00015 <font class="comment">//</font>
00016 <font class="comment">// The SC Toolkit is distributed in the hope that it will be useful,</font>
00017 <font class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00018 <font class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</font>
00019 <font class="comment">// GNU Library General Public License for more details.</font>
00020 <font class="comment">//</font>
00021 <font class="comment">// You should have received a copy of the GNU Library General Public License</font>
00022 <font class="comment">// along with the SC Toolkit; see the file COPYING.LIB.  If not, write to</font>
00023 <font class="comment">// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.</font>
00024 <font class="comment">//</font>
00025 <font class="comment">// The U.S. Government is granted a limited license as per AL 91-7.</font>
00026 <font class="comment">//</font>
00027 
00028 <font class="preprocessor">#ifndef _util_container_avlset_h</font>
00029 <font class="preprocessor"></font><font class="preprocessor">#define _util_container_avlset_h</font>
00030 <font class="preprocessor"></font>
00031 <font class="preprocessor">#include &lt;util/container/avlmap.h&gt;</font>
00032 
00033 <font class="keyword">namespace </font>sc {
00034 
00035 template &lt;class K&gt;
00036 <font class="keyword">class </font>AVLSet {
00037   <font class="keyword">private</font>:
00038     AVLMap&lt;K,int&gt; map_;
00039   <font class="keyword">public</font>:
00040     <font class="keyword">class </font>iterator {
00041       <font class="keyword">private</font>:
00042         <font class="keyword">const</font> EAVLMMap&lt;K, AVLMapNode&lt;K,int&gt; &gt; *map_;
00043         <font class="keyword">const</font> AVLMapNode&lt;K, int&gt; *node;
00044       <font class="keyword">public</font>:
00045         iterator(): map_(0), node(0) {}
00046         iterator(<font class="keyword">const</font> EAVLMMap&lt;K,AVLMapNode&lt;K,int&gt; &gt; *m,
00047                  <font class="keyword">const</font> AVLMapNode&lt;K,int&gt; *n)
00048           :map_(m), node(n) {}
00049         iterator(<font class="keyword">const</font> eavl_typename AVLSet&lt;K&gt;::iterator &amp;i):map_(i.map_),node(i.node) {}
00050         <font class="keywordtype">void</font> operator++()<font class="keyword"> </font>{ map_-&gt;next(node); }
00051         <font class="keywordtype">void</font> operator++(<font class="keywordtype">int</font>)<font class="keyword"> </font>{ operator++(); }
00052         <font class="keywordtype">int</font> operator == (<font class="keyword">const</font> eavl_typename AVLSet&lt;K&gt;::iterator &amp;i)<font class="keyword"> const</font>
00053 <font class="keyword">            </font>{ <font class="keywordflow">return</font> map_ == i.map_ &amp;&amp; node == i.node; }
00054         <font class="keywordtype">int</font> operator != (<font class="keyword">const</font> eavl_typename AVLSet&lt;K&gt;::iterator &amp;i)<font class="keyword"> const</font>
00055 <font class="keyword">            </font>{ <font class="keywordflow">return</font> !(map_ == i.map_ &amp;&amp; node == i.node); }
00056         <font class="keywordtype">void</font> operator = (<font class="keyword">const</font> eavl_typename AVLSet&lt;K&gt;::iterator &amp;i)<font class="keyword"></font>
00057 <font class="keyword">            </font>{ map_ = i.map_; node = i.node; }
00058         <font class="keyword">const</font> K &amp;key()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> node-&gt;node.key; }
00059         <font class="keyword">const</font> K &amp;operator *()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> node-&gt;node.key; }
00060         <font class="comment">//const K *operator -&gt;() const { return &amp;node-&gt;node.key; }</font>
00061     };
00062   <font class="keyword">public</font>:
00063     AVLSet()<font class="keyword"> </font>{};
00064     <font class="keywordtype">void</font> clear()<font class="keyword"> </font>{ map_.clear(); }
00065     <font class="keywordtype">void</font> insert(<font class="keyword">const</font> K&amp; key)<font class="keyword"> </font>{ map_.insert(key,0); }
00066     <font class="keywordtype">void</font> remove(<font class="keyword">const</font> K&amp; key)<font class="keyword"> </font>{ map_.remove(key); }
00067     <font class="keywordtype">int</font> contains(<font class="keyword">const</font> K&amp; key)<font class="keyword"> const </font>{ <font class="keywordflow">return</font> map_.contains(key); }
00068     iterator find(<font class="keyword">const</font> K&amp; k) <font class="keyword">const</font>;
00069 
00070     <font class="keywordtype">int</font> height()<font class="keyword"> </font>{ <font class="keywordflow">return</font> map_.height(); }
00071     <font class="keywordtype">void</font> check()<font class="keyword"> </font>{ map_.check(); }
00072 
00073     <font class="keywordtype">int</font> length()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> map_.length(); }
00074 
00075     iterator begin()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> iterator(&amp;map_.map_,map_.map_.start()); }
00076     iterator end()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> iterator(&amp;map_.map_,0); }
00077 
00078     <font class="keywordtype">void</font> operator -= (<font class="keyword">const</font> AVLSet&lt;K&gt; &amp;s);
00079     <font class="keywordtype">void</font> operator |= (<font class="keyword">const</font> AVLSet&lt;K&gt; &amp;s);
00080 
00081     <font class="keywordtype">void</font> print()<font class="keyword"> </font>{ map_.print(); }
00082 };
00083 
00084 template &lt;class K&gt;
00085 <font class="keywordtype">void</font>
00086 AVLSet&lt;K&gt;::operator -= (<font class="keyword">const</font> AVLSet&lt;K&gt; &amp;s)<font class="keyword"></font>
00087 <font class="keyword"></font>{
00088   <font class="keywordflow">for</font> (AVLSet&lt;K&gt;::iterator i=s.begin(); i!=s.end(); i++) {
00089       remove(*i);
00090     }
00091 }
00092 
00093 template &lt;class K&gt;
00094 <font class="keywordtype">void</font>
00095 AVLSet&lt;K&gt;::operator |= (<font class="keyword">const</font> AVLSet&lt;K&gt; &amp;s)<font class="keyword"></font>
00096 <font class="keyword"></font>{
00097   <font class="keywordflow">for</font> (AVLSet&lt;K&gt;::iterator i=s.begin(); i!=s.end(); i++) {
00098       insert(*i);
00099     }
00100 }
00101 
00102 template &lt;class K&gt;
00103 <font class="keyword">inline</font> <font class="keyword">typename</font> AVLSet&lt;K&gt;::iterator
00104 AVLSet&lt;K&gt;::find(<font class="keyword">const</font> K&amp; k)<font class="keyword"> const</font>
00105 <font class="keyword"></font>{
00106   <font class="keywordflow">return</font> iterator(&amp;map_.map_,map_.map_.find(k));
00107 }
00108 
00109 }
00110 
00111 <font class="preprocessor">#endif</font>
00112 <font class="preprocessor"></font>
00113 <font class="comment">// ///////////////////////////////////////////////////////////////////////////</font>
00114 
00115 <font class="comment">// Local Variables:</font>
00116 <font class="comment">// mode: c++</font>
00117 <font class="comment">// c-file-style: "CLJ"</font>
00118 <font class="comment">// End:</font>
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