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44 lines
2.7 KiB
C++
44 lines
2.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// //
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// This file is part of ModelBlocks. Copyright 2009, ModelBlocks developers. //
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// //
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// ModelBlocks is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// ModelBlocks is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with ModelBlocks. If not, see <http://www.gnu.org/licenses/>. //
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// //
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// ModelBlocks developers designate this particular file as subject to //
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// the "Moses" exception as provided by ModelBlocks developers in //
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// the LICENSE file that accompanies this code. //
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// //
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///////////////////////////////////////////////////////////////////////////////
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template<class B, class T>
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class Tree : public T {
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private:
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// Data members...
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SimpleHash<B,Tree<B,T>*> apt;
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static const Tree<B,T> tDummy;
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public:
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// Constructor / destructor methods...
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~Tree ( ) { for(typename SimpleHash<B,Tree<B,T>*>::iterator i=apt.begin(); i!=apt.end(); i++) delete i->second; }
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Tree ( ) { }
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// Tree ( const Tree<T>& t ) { ptL = (t.ptL) ? new Tree<T>(*t.ptL) : NULL;
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// ptR = (t.ptR) ? new Tree<T>(*t.ptR) : NULL; }
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// Extraction methods...
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const bool isTerm ( ) const { return (apt.empty()); }
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const Tree<B,T>& getBranch ( const B& b ) const { return (apt.find(b)!=apt.end()) ? *apt.find(b)->second : tDummy; }
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// Specification methods...
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Tree<B,T>& setBranch ( const B& b ) { if (apt.find(b)==apt.end()) apt[b]=new Tree<B,T>(); return *apt[b]; }
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};
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template<class B, class T> const Tree<B,T> Tree<B,T>::tDummy;// = Tree<B,T>();
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