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<h1>matcher.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00002"></a>00002 <span class="comment">// Math Type Library</span>
<a name="l00003"></a>00003 <span class="comment">// $Id: matcher.h,v 1.3 2002/05/07 12:38:55 cparpart Exp $</span>
<a name="l00004"></a>00004 <span class="comment">// (This file contains the expression tree specific template members)</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// Copyright (c) 2002 by Christian Parpart <cparpart@surakware.net></span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">// This library is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment">// modify it under the terms of the GNU Library General Public</span>
<a name="l00010"></a>00010 <span class="comment">// License as published by the Free Software Foundation; either</span>
<a name="l00011"></a>00011 <span class="comment">// version 2 of the License, or (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// This library is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00016"></a>00016 <span class="comment">// Library General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment">// </span>
<a name="l00018"></a>00018 <span class="comment">// You should have received a copy of the GNU Library General Public License</span>
<a name="l00019"></a>00019 <span class="comment">// along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00020"></a>00020 <span class="comment">// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,</span>
<a name="l00021"></a>00021 <span class="comment">// Boston, MA 02111-1307, USA.</span>
<a name="l00023"></a>00023 <span class="comment"></span><span class="preprocessor">#ifndef libmath_matcher_h</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define libmath_matcher_h</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <map></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <list></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <memory></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <string></span>
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="keyword">namespace </span>math {
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="keyword">template</span><<span class="keyword">class</span> T>
<a name="l00034"></a>00034 <span class="keyword">class </span>TMatchRegistry {
<a name="l00035"></a>00035 <span class="keyword">public</span>:
<a name="l00036"></a>00036 TMatchRegistry();
<a name="l00037"></a>00037 TMatchRegistry(<span class="keyword">const</span> TMatchRegistry<T>&);
<a name="l00038"></a>00038
<a name="l00040"></a>00040 <span class="keywordtype">void</span> define(<span class="keyword">const</span> std::string& AId, <span class="keyword">const</span> TNode<T> *ANode);
<a name="l00042"></a>00042 <span class="keywordtype">bool</span> defined(<span class="keyword">const</span> std::string& AId) <span class="keyword">const</span>;
<a name="l00044"></a>00044 <span class="keyword">const</span> TNode<T> *<span class="keyword">get</span>(<span class="keyword">const</span> std::string& AId) <span class="keyword">const</span>;
<a name="l00045"></a>00045
<a name="l00047"></a>00047 <span class="keywordtype">void</span> mark(<span class="keyword">const</span> TNode<T> *ANode);
<a name="l00048"></a>00048
<a name="l00050"></a>00050 <span class="keywordtype">bool</span> contains(<span class="keyword">const</span> TNode<T> *ANode) <span class="keyword">const</span>;
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keyword">private</span>:
<a name="l00053"></a>00053 <span class="keyword">typedef</span> std::map<std::string, const TNode<T> *> TAnyMap;
<a name="l00054"></a>00054 <span class="keyword">typedef</span> std::list<const TNode<T> *> TNodeList;
<a name="l00055"></a>00055
<a name="l00056"></a>00056 TAnyMap FAnyMap;
<a name="l00057"></a>00057 TNodeList FNodeList;
<a name="l00058"></a>00058 };
<a name="l00059"></a>00059
<a name="l00061"></a>00061 <span class="comment">// The match template tree</span>
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00064"></a>00064 <span class="keyword">class </span>TMatch {
<a name="l00065"></a>00065 <span class="keyword">public</span>:
<a name="l00066"></a>00066 <span class="keyword">virtual</span> ~TMatch() {}
<a name="l00067"></a>00067 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> match(<span class="keyword">const</span> TNode<T> *AExpr, TMatchRegistry<T> *AReg) <span class="keyword">const</span> = 0;
<a name="l00068"></a>00068 };
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00071"></a>00071 <span class="keyword">class </span>TNumMatch : <span class="keyword">public</span> TMatch<T> {
<a name="l00072"></a>00072 <span class="keyword">public</span>:
<a name="l00073"></a>00073 TNumMatch(<span class="keyword">const</span> T& ANum);
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> match(<span class="keyword">const</span> TNode<T> *AExpr, TMatchRegistry<T> *AReg) <span class="keyword">const</span>;
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keyword">private</span>:
<a name="l00078"></a>00078 T FNumber;
<a name="l00079"></a>00079 };
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00082"></a>00082 <span class="keyword">class </span>TAnyMatch : <span class="keyword">public</span> TMatch<T> {
<a name="l00083"></a>00083 <span class="keyword">public</span>:
<a name="l00084"></a>00084 TAnyMatch(<span class="keyword">const</span> std::string& AId);
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> match(<span class="keyword">const</span> TNode<T> *AExpr, TMatchRegistry<T> *AReg) <span class="keyword">const</span>;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keyword">private</span>:
<a name="l00089"></a>00089 std::string FIdent;
<a name="l00090"></a>00090 };
<a name="l00091"></a>00091
<a name="l00094"></a>00094 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00095"></a><a class="code" href="classmath_1_1T2Match.html">00095</a> <span class="keyword">class </span><a class="code" href="classmath_1_1T2Match.html">T2Match</a> : <span class="keyword">public</span> TMatch<T> {
<a name="l00096"></a>00096 <span class="keyword">protected</span>:
<a name="l00097"></a>00097 <a class="code" href="classmath_1_1T2Match.html">T2Match</a>(TMatch<T> *ALeft, TMatch<T> *ARight);
<a name="l00098"></a>00098 ~<a class="code" href="classmath_1_1T2Match.html">T2Match</a>();
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="comment">// gets additional match methods for share soon</span>
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="keyword">typedef</span> std::list<TMatch<T> *> TList;
<a name="l00103"></a>00103
<a name="l00104"></a>00104 TList FPatterns;
<a name="l00105"></a>00105 };
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00108"></a>00108 <span class="keyword">class </span>TPlusMatch : <span class="keyword">public</span> <a class="code" href="classmath_1_1T2Match.html">T2Match</a><T> {
<a name="l00109"></a>00109 <span class="keyword">public</span>:
<a name="l00110"></a>00110 TPlusMatch(TMatch<T> *ALeft, TMatch<T> *ARight, ...);
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> match(<span class="keyword">const</span> <a class="code" href="classmath_1_1TNode.html">TNode<T></a> *AExpr, TMatchRegistry<T> *AReg) <span class="keyword">const</span>;
<a name="l00113"></a>00113 };
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00116"></a>00116 <span class="keyword">class </span>TMulMatch : <span class="keyword">public</span> T2Match<T> {
<a name="l00117"></a>00117 <span class="keyword">public</span>:
<a name="l00118"></a>00118 TMulMatch(TMatch<T> *ALeft, TMatch<T> *ARight, ...);
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> match(<span class="keyword">const</span> TNode<T> *AExpr, TMatchRegistry<T> *AReg) <span class="keyword">const</span>;
<a name="l00121"></a>00121 };
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00124"></a>00124 <span class="keyword">class </span>TNegMatch : <span class="keyword">public</span> TMatch<T> {
<a name="l00125"></a>00125 <span class="keyword">public</span>:
<a name="l00126"></a>00126 TNegMatch(TMatch<T> *ANode);
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> match(<span class="keyword">const</span> TNode<T> *AExpr, TMatchRegistry<T> *AReg) <span class="keyword">const</span>;
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keyword">private</span>:
<a name="l00131"></a>00131 std::auto_ptr<TMatch<T> > FNode;
<a name="l00132"></a>00132 };
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00135"></a>00135 <span class="keyword">class </span>TDivMatch : <span class="keyword">public</span> TMatch<T> {
<a name="l00136"></a>00136 <span class="keyword">public</span>:
<a name="l00137"></a>00137 TDivMatch(TMatch<T> *ALeft, TMatch<T> *ARight);
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> match(<span class="keyword">const</span> TNode<T> *AExpr, TMatchRegistry<T> *AReg) <span class="keyword">const</span>;
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="keyword">private</span>:
<a name="l00142"></a>00142 std::auto_ptr<TMatch<T> > FLeft;
<a name="l00143"></a>00143 std::auto_ptr<TMatch<T> > FRight;
<a name="l00144"></a>00144 };
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00147"></a>00147 <span class="keyword">class </span>TPowMatch : <span class="keyword">public</span> TMatch<T> {
<a name="l00148"></a>00148 <span class="keyword">public</span>:
<a name="l00149"></a>00149 TPowMatch(TMatch<T> *ABase, TMatch<T> *AExp);
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> match(<span class="keyword">const</span> TNode<T> *AExpr, TMatchRegistry<T> *AReg) <span class="keyword">const</span>;
<a name="l00152"></a>00152
<a name="l00153"></a>00153 <span class="keyword">private</span>:
<a name="l00154"></a>00154 std::auto_ptr<TMatch<T> > FBase;
<a name="l00155"></a>00155 std::auto_ptr<TMatch<T> > FExp;
<a name="l00156"></a>00156 };
<a name="l00157"></a>00157
<a name="l00175"></a>00175 <span class="keyword">template</span><<span class="keyword">class</span> T>
<a name="l00176"></a><a class="code" href="classmath_1_1TMatcher.html">00176</a> <span class="keyword">class </span><a class="code" href="classmath_1_1TMatcher.html">TMatcher</a> : <span class="keyword">public</span> <a class="code" href="classmath_1_1TNodeVisitor.html">TNodeVisitor</a><T> {
<a name="l00177"></a>00177 <span class="keyword">public</span>:
<a name="l00178"></a>00178 <span class="keyword">typedef</span> std::map<std::string, TNode<T> > TResult;
<a name="l00179"></a>00179
<a name="l00183"></a>00183 <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classmath_1_1TMatcher.html#5b7868e31dfdfcbb633249b9e91da68e">matchExact</a>(<span class="keyword">const</span> TMatch<T> *AMatch, <span class="keyword">const</span> <a class="code" href="classmath_1_1TNode.html">TNode<T></a> *AExpr,
<a name="l00184"></a>00184 TMatchRegistry<T> *AReg = 0);
<a name="l00185"></a>00185
<a name="l00190"></a>00190 <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classmath_1_1TMatcher.html#8d5d3ec68a5327fc375e06d4ab45715d">match</a>(<span class="keyword">const</span> TMatch<T> *AMatch, <span class="keyword">const</span> <a class="code" href="classmath_1_1TNode.html">TNode<T></a> *AExpr,
<a name="l00191"></a>00191 TMatchRegistry<T> *AReg = 0);
<a name="l00192"></a>00192
<a name="l00196"></a>00196 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <a class="code" href="classmath_1_1TMatcher.html#8d5d3ec68a5327fc375e06d4ab45715d">match</a>(<span class="keyword">const</span> std::string& AMatch, <span class="keyword">const</span> <a class="code" href="classmath_1_1TNode.html">TNode<T></a> *AExpr,
<a name="l00197"></a>00197 TResult& AResult);
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="keyword">private</span>:
<a name="l00200"></a>00200 <a class="code" href="classmath_1_1TMatcher.html">TMatcher</a>(<span class="keyword">const</span> TMatch<T> *AMatch, <span class="keyword">const</span> <a class="code" href="classmath_1_1TNode.html">TNode<T></a> *ANode,
<a name="l00201"></a>00201 TMatchRegistry<T> *AReg = 0);
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="keyword">private</span>:
<a name="l00204"></a>00204 <span class="keyword">const</span> TMatch<T> *FMatch;
<a name="l00205"></a>00205 <span class="keyword">const</span> <a class="code" href="classmath_1_1TNode.html">TNode<T></a> *FExpr;
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keyword">private</span>:
<a name="l00208"></a>00208 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TNumberNode.html">TNumberNode<T></a> *);
<a name="l00209"></a>00209 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TSymbolNode.html">TSymbolNode<T></a> *);
<a name="l00210"></a>00210 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TParamNode.html">TParamNode<T></a> *);
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TPlusNode.html">TPlusNode<T></a> *);
<a name="l00213"></a>00213 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TNegNode.html">TNegNode<T></a> *);
<a name="l00214"></a>00214
<a name="l00215"></a>00215 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TMulNode.html">TMulNode<T></a> *);
<a name="l00216"></a>00216 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TDivNode.html">TDivNode<T></a> *);
<a name="l00217"></a>00217
<a name="l00218"></a>00218 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TPowNode.html">TPowNode<T></a> *);
<a name="l00219"></a>00219 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TSqrtNode.html">TSqrtNode<T></a> *);
<a name="l00220"></a>00220
<a name="l00221"></a>00221 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TSinNode.html">TSinNode<T></a> *);
<a name="l00222"></a>00222 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TCosNode.html">TCosNode<T></a> *);
<a name="l00223"></a>00223 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TTanNode.html">TTanNode<T></a> *);
<a name="l00224"></a>00224 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TLnNode.html">TLnNode<T></a> *);
<a name="l00225"></a>00225
<a name="l00226"></a>00226 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TFuncNode.html">TFuncNode<T></a> *);
<a name="l00227"></a>00227 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TIfNode.html">TIfNode<T></a> *);
<a name="l00228"></a>00228
<a name="l00229"></a>00229 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<a class="code" href="classmath_1_1TEquNode.html">TEquNode<T></a> *);
<a name="l00230"></a>00230 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(TUnEquNode<T> *);
<a name="l00231"></a>00231 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(TGreaterNode<T> *);
<a name="l00232"></a>00232 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(TLessNode<T> *);
<a name="l00233"></a>00233 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(TGreaterEquNode<T> *);
<a name="l00234"></a>00234 <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(TLessEquNode<T> *);
<a name="l00235"></a>00235 };
<a name="l00236"></a>00236
<a name="l00237"></a>00237 } <span class="comment">// namespace math</span>
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="preprocessor">#include <math++/matcher.tcc></span>
<a name="l00240"></a>00240
<a name="l00241"></a>00241 <span class="preprocessor">#endif</span>
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