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83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
/***********************************************************************
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Moses - statistical machine translation system
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Copyright (C) 2006-2011 University of Edinburgh
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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***********************************************************************/
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#pragma once
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#ifndef EXTRACT_GHKM_ALIGNMENT_GRAPH_H_
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#define EXTRACT_GHKM_ALIGNMENT_GRAPH_H_
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#include "Alignment.h"
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#include "Options.h"
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#include <set>
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#include <string>
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#include <vector>
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namespace Moses
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{
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namespace GHKM
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{
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class Node;
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class ParseTree;
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class Subgraph;
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class AlignmentGraph
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{
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public:
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AlignmentGraph(const ParseTree *,
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const std::vector<std::string> &,
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const Alignment &);
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~AlignmentGraph();
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Node *GetRoot() {
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return m_root;
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}
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const std::vector<Node *> &GetTargetNodes() {
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return m_targetNodes;
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}
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void ExtractMinimalRules(const Options &);
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void ExtractComposedRules(const Options &);
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private:
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// Disallow copying
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AlignmentGraph(const AlignmentGraph &);
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AlignmentGraph &operator=(const AlignmentGraph &);
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Node *CopyParseTree(const ParseTree *);
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void ComputeFrontierSet(Node *, const Options &, std::set<Node *> &) const;
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void CalcComplementSpans(Node *);
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void GetTargetTreeLeaves(Node *, std::vector<Node *> &);
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void AttachUnalignedSourceWords();
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Node *DetermineAttachmentPoint(int);
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Subgraph ComputeMinimalFrontierGraphFragment(Node *,
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const std::set<Node *> &);
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void ExtractComposedRules(Node *, const Options &);
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Node *m_root;
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std::vector<Node *> m_sourceNodes;
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std::vector<Node *> m_targetNodes;
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};
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} // namespace GHKM
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} // namespace Moses
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#endif
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