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69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
// $Id$
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/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2006 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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#ifndef moses_PCNTools
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#define moses_PCNTools
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#include <vector>
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#include <map>
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#include <string>
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#include <utility>
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#include <cstdlib>
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/** A couple of utilities to read .pcn files. A python-compatible format
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* for encoding confusion networks and word lattices.
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*/
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namespace PCN
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{
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struct CNAlt
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{
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CNAlt()
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{}
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CNAlt(const std::string &word,
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const std::vector<float> &denseFeatures,
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const std::map<std::string, float> &sparseFeatures,
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size_t next)
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:m_word(word)
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,m_denseFeatures(denseFeatures)
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,m_sparseFeatures(sparseFeatures)
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,m_next(next)
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{}
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std::string m_word;
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std::vector<float> m_denseFeatures;
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std::map<std::string, float> m_sparseFeatures;
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size_t m_next;
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};
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//typedef std::pair<std::pair<std::string, std::vector<float> >, size_t> CNAlt;
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typedef std::vector<CNAlt> CNCol;
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typedef std::vector<CNCol> CN;
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/** Given a string ((('foo',0.1,1),('bar',0.9,2)),...) representation of a
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* word lattice in PCN format, return a CN object representing the lattice
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*/
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CN parsePCN(const std::string& in);
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};
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#endif
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