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91 lines
2.2 KiB
C++
91 lines
2.2 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_TrellisPathList_h
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#define moses_TrellisPathList_h
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#include <list>
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#include <set>
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#include "TrellisPath.h"
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namespace Moses
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{
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/** used to return n-best list of Trellis Paths from the Manager to the caller.
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* Used by phrase-based decoding
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*/
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class TrellisPathList
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{
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protected:
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std::list<const TrellisPath*> m_collection;
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public:
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// iters
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typedef std::list<const TrellisPath*>::iterator iterator;
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typedef std::list<const TrellisPath*>::const_iterator const_iterator;
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iterator begin() {
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return m_collection.begin();
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}
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iterator end() {
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return m_collection.end();
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}
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const_iterator begin() const {
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return m_collection.begin();
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}
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const_iterator end() const {
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return m_collection.end();
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}
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~TrellisPathList() {
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// clean up
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RemoveAllInColl(m_collection);
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}
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//! add a new entry into collection
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void Add(TrellisPath *trellisPath) {
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m_collection.push_back(trellisPath);
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}
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const TrellisPath *pop() {
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const TrellisPath *top = m_collection.front();
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// Detach
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m_collection.pop_front();
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return top;
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}
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size_t GetSize() const {
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return m_collection.size();
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}
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const TrellisPath at(size_t position) const {
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const_iterator iter = m_collection.begin();
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for(size_t i = position; i>0; i--) {
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iter++;
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}
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return **iter;
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}
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};
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}
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#endif
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