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<h1>eoState.h</h1><div class="fragment"><pre class="fragment">00001 <span class="comment">// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-</span>
00002
00003 <span class="comment">//-----------------------------------------------------------------------------</span>
00004 <span class="comment">// eoState.h</span>
00005 <span class="comment">// (c) Marc Schoenauer, Maarten Keijzer and GeNeura Team, 2000</span>
00006 <span class="comment">/*</span>
00007 <span class="comment"> This library is free software; you can redistribute it and/or</span>
00008 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
00009 <span class="comment"> License as published by the Free Software Foundation; either</span>
00010 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
00011 <span class="comment"></span>
00012 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
00013 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
00014 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
00015 <span class="comment"> Lesser General Public License for more details.</span>
00016 <span class="comment"></span>
00017 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
00018 <span class="comment"> License along with this library; if not, write to the Free Software</span>
00019 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
00020 <span class="comment"></span>
00021 <span class="comment"> Contact: todos@geneura.ugr.es, http://geneura.ugr.es</span>
00022 <span class="comment"> Marc.Schoenauer@polytechnique.fr</span>
00023 <span class="comment"> mkeijzer@dhi.dk</span>
00024 <span class="comment"> */</span>
00025 <span class="comment">//-----------------------------------------------------------------------------</span>
00026
00027 <span class="preprocessor">#ifndef eoState_h</span>
00028 <span class="preprocessor"></span><span class="preprocessor">#define eoState_h</span>
00029 <span class="preprocessor"></span>
00030 <span class="preprocessor">#include &lt;stdexcept&gt;</span>
00031 <span class="preprocessor">#include &lt;string&gt;</span>
00032 <span class="preprocessor">#include &lt;map&gt;</span>
00033 <span class="preprocessor">#include &lt;vector&gt;</span>
00034
00035 <span class="preprocessor">#include &lt;eoFunctorStore.h&gt;</span>
00036
00037 <span class="keyword">class </span><a class="code" href="classeo_object.html">eoObject</a>;
00038 <span class="keyword">class </span><a class="code" href="classeo_persistent.html">eoPersistent</a>;
00039
<a name="l00054"></a><a class="code" href="classeo_state.html">00054</a> <span class="keyword">class </span><a class="code" href="classeo_state.html">eoState</a> : <span class="keyword">public</span> <a class="code" href="classeo_functor_store.html">eoFunctorStore</a>
00055 {
00056 <span class="keyword">public</span> :
00057
00058 <a class="code" href="classeo_state.html">eoState</a>(<span class="keywordtype">void</span>) {}
00059
00060 ~<a class="code" href="classeo_state.html">eoState</a>(<span class="keywordtype">void</span>);
00061
00065 <span class="keywordtype">void</span> <a class="code" href="classeo_state.html#a2">registerObject</a>(<a class="code" href="classeo_persistent.html">eoPersistent</a>&amp; registrant);
00066
00072 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;
<a name="l00073"></a><a class="code" href="classeo_state.html#a3">00073</a> T&amp; <a class="code" href="classeo_state.html#a3">takeOwnership</a>(<span class="keyword">const</span> T&amp; persistent)
00074 {
00075 <span class="comment">// If the compiler budges here, T is not a subclass of eoPersistent</span>
00076 ownedObjects.push_back(<span class="keyword">new</span> T(persistent));
00077 <span class="keywordflow">return</span> static_cast&lt;T&amp;&gt;(*ownedObjects.back());
00078 }
00079
<a name="l00083"></a><a class="code" href="structeo_state_1_1loading__error.html">00083</a> <span class="keyword">struct </span><a class="code" href="structeo_state_1_1loading__error.html">loading_error</a> : <span class="keyword">public</span> std::runtime_error
00084 {
00085 <a class="code" href="structeo_state_1_1loading__error.html">loading_error</a>(std::string huh = <span class="stringliteral">"Error while loading"</span>) : std::runtime_error(huh) {}
00086 };
00087
00088 std::string getCommentString(<span class="keywordtype">void</span>)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"#"</span>; }
00089
00095 <span class="keywordtype">void</span> load(<span class="keyword">const</span> std::string&amp; _filename);
00096
00102 <span class="keywordtype">void</span> load(std::istream&amp; is);
00103
00109 <span class="keywordtype">void</span> save(<span class="keyword">const</span> std::string&amp; _filename) <span class="keyword">const</span>;
00110
00116 <span class="keywordtype">void</span> save(std::ostream&amp; os) <span class="keyword">const</span>;
00117
00118 <span class="keyword">private</span> :
00119 std::string createObjectName(<a class="code" href="classeo_object.html">eoObject</a>* obj);
00120
00121 <span class="comment">// first is Persistent, second is the raw data associated with it.</span>
00122 <span class="keyword">typedef</span> std::map&lt;std::string, eoPersistent*&gt; ObjectMap;
00123
00124 ObjectMap objectMap;
00125
00126 std::vector&lt;ObjectMap::iterator&gt; creationOrder;
00127 std::vector&lt;eoPersistent*&gt; ownedObjects;
00128
00129 <span class="comment">// private copy and assignment as eoState is supposed to be unique</span>
00130 <a class="code" href="classeo_state.html">eoState</a>(<span class="keyword">const</span> <a class="code" href="classeo_state.html">eoState</a>&amp;);
00131 <a class="code" href="classeo_state.html">eoState</a>&amp; operator=(<span class="keyword">const</span> <a class="code" href="classeo_state.html">eoState</a>&amp;);
00132
00133 };
00134
00135 <span class="preprocessor">#endif</span>
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