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<h1>Clause.h</h1> </div>
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<a href="Clause_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00002"></a>00002 <span class="comment">// -*- mode: c++; c-basic-offset:4 -*-</span>
<a name="l00003"></a>00003
<a name="l00004"></a>00004 <span class="comment">// This file is part of libdap, A C++ implementation of the OPeNDAP Data</span>
<a name="l00005"></a>00005 <span class="comment">// Access Protocol.</span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="comment">// Copyright (c) 2002,2003 OPeNDAP, Inc.</span>
<a name="l00008"></a>00008 <span class="comment">// Author: James Gallagher <jgallagher@opendap.org></span>
<a name="l00009"></a>00009 <span class="comment">//</span>
<a name="l00010"></a>00010 <span class="comment">// This library is free software; you can redistribute it and/or</span>
<a name="l00011"></a>00011 <span class="comment">// modify it under the terms of the GNU Lesser General Public</span>
<a name="l00012"></a>00012 <span class="comment">// License as published by the Free Software Foundation; either</span>
<a name="l00013"></a>00013 <span class="comment">// version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00014"></a>00014 <span class="comment">//</span>
<a name="l00015"></a>00015 <span class="comment">// This library is distributed in the hope that it will be useful,</span>
<a name="l00016"></a>00016 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00017"></a>00017 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00018"></a>00018 <span class="comment">// Lesser General Public License for more details.</span>
<a name="l00019"></a>00019 <span class="comment">//</span>
<a name="l00020"></a>00020 <span class="comment">// You should have received a copy of the GNU Lesser General Public</span>
<a name="l00021"></a>00021 <span class="comment">// License along with this library; if not, write to the Free Software</span>
<a name="l00022"></a>00022 <span class="comment">// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00023"></a>00023 <span class="comment">//</span>
<a name="l00024"></a>00024 <span class="comment">// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.</span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">// (c) COPYRIGHT URI/MIT 1995-1999</span>
<a name="l00027"></a>00027 <span class="comment">// Please first read the full copyright statement in the file COPYRIGHT_URI.</span>
<a name="l00028"></a>00028 <span class="comment">//</span>
<a name="l00029"></a>00029 <span class="comment">// Authors:</span>
<a name="l00030"></a>00030 <span class="comment">// jhrg,jimg James Gallagher <jgallagher@gso.uri.edu></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">// Interface for the CE Clause class.</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="preprocessor">#ifndef _clause_h</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#define _clause_h</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="preprocessor">#ifndef _expr_h</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span><span class="preprocessor">#include "expr.h"</span>
<a name="l00040"></a>00040 <span class="preprocessor">#endif</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span>
<a name="l00042"></a>00042 <span class="preprocessor">#ifndef _rvalue_h</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="RValue_8h.html">RValue.h</a>"</span>
<a name="l00044"></a>00044 <span class="preprocessor">#endif</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span>
<a name="l00046"></a>00046 <span class="keyword">namespace </span>libdap
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048
<a name="l00090"></a><a class="code" href="structlibdap_1_1Clause.html">00090</a> <span class="keyword">struct </span><a class="code" href="structlibdap_1_1Clause.html" title="Holds a fragment of a constraint expression.">Clause</a>
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keyword">private</span>:
<a name="l00095"></a>00095 <span class="keywordtype">int</span> _op;
<a name="l00097"></a>00097 bool_func _b_func;
<a name="l00098"></a>00098
<a name="l00101"></a>00101 btp_func _bt_func;
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keywordtype">int</span> _argc; <span class="comment">// arg count</span>
<a name="l00104"></a>00104 <a class="code" href="classlibdap_1_1rvalue.html">rvalue</a> *_arg1; <span class="comment">// only for operator</span>
<a name="l00105"></a>00105 <a class="code" href="namespacelibdap.html#a443d3b7d9ceaa4ec25e5bfcc555ce056">rvalue_list</a> *_args; <span class="comment">// vector arg</span>
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <a class="code" href="structlibdap_1_1Clause.html#a86f7ce9fd2b9db982268cc2b121989f3">Clause</a>(<span class="keyword">const</span> <a class="code" href="structlibdap_1_1Clause.html" title="Holds a fragment of a constraint expression.">Clause</a> &)
<a name="l00108"></a>00108 {}
<a name="l00109"></a>00109 <a class="code" href="structlibdap_1_1Clause.html" title="Holds a fragment of a constraint expression.">Clause</a> &operator=(<span class="keyword">const</span> <a class="code" href="structlibdap_1_1Clause.html" title="Holds a fragment of a constraint expression.">Clause</a> &)
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1InternalErr.html" title="A class for software fault reporting.">InternalErr</a>(__FILE__, __LINE__, <span class="stringliteral">"Unimplemented method"</span>);
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keyword">public</span>:
<a name="l00115"></a>00115 <a class="code" href="structlibdap_1_1Clause.html#a86f7ce9fd2b9db982268cc2b121989f3">Clause</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> oper, <a class="code" href="classlibdap_1_1rvalue.html">rvalue</a> *a1, <a class="code" href="namespacelibdap.html#a443d3b7d9ceaa4ec25e5bfcc555ce056">rvalue_list</a> *rv);
<a name="l00116"></a>00116 <a class="code" href="structlibdap_1_1Clause.html#a86f7ce9fd2b9db982268cc2b121989f3">Clause</a>(bool_func func, <a class="code" href="namespacelibdap.html#a443d3b7d9ceaa4ec25e5bfcc555ce056">rvalue_list</a> *rv);
<a name="l00117"></a>00117 <a class="code" href="structlibdap_1_1Clause.html#a86f7ce9fd2b9db982268cc2b121989f3">Clause</a>(btp_func func, <a class="code" href="namespacelibdap.html#a443d3b7d9ceaa4ec25e5bfcc555ce056">rvalue_list</a> *rv);
<a name="l00118"></a>00118 <a class="code" href="structlibdap_1_1Clause.html#a86f7ce9fd2b9db982268cc2b121989f3">Clause</a>();
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="keyword">virtual</span> <a class="code" href="structlibdap_1_1Clause.html#aaaeec48bcba4c7a9608c1bb3ef72983a">~Clause</a>();
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="keywordtype">bool</span> <a class="code" href="structlibdap_1_1Clause.html#aeaccc72688521a8b08aeae970d983473" title="Checks the &quot;representation invariant&quot; of a clause.">OK</a>();
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keywordtype">bool</span> <a class="code" href="structlibdap_1_1Clause.html#a80d81003665b96012ee3ba175d80e608" title="Return true if the clause returns a boolean value.">boolean_clause</a>();
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="keywordtype">bool</span> <a class="code" href="structlibdap_1_1Clause.html#a7bd5122be1851f0bf32ec1c58b46eaa9" title="Return true if the clause returns a value in a BaseType pointer.">value_clause</a>();
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordtype">bool</span> <a class="code" href="structlibdap_1_1Clause.html#abfff44c4db49ad7462d14665b2458588" title="Evaluate a clause which returns a boolean value This method must only be evaluated for clauses with r...">value</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds);
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keywordtype">bool</span> <a class="code" href="structlibdap_1_1Clause.html#abfff44c4db49ad7462d14665b2458588" title="Evaluate a clause which returns a boolean value This method must only be evaluated for clauses with r...">value</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds, <a class="code" href="classlibdap_1_1BaseType.html" title="The basic data type for the DODS DAP types.">BaseType</a> **value);
<a name="l00131"></a>00131 };
<a name="l00132"></a>00132
<a name="l00133"></a>00133 } <span class="comment">// namespace libdap</span>
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="preprocessor">#endif // _clause_h</span>
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