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https://github.com/moses-smt/mosesdecoder.git
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125 lines
3.9 KiB
C++
125 lines
3.9 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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#include "PhraseDictionaryNodeSCFG.h"
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#include "TargetPhrase.h"
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#include "PhraseDictionary.h"
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namespace Moses
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{
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PhraseDictionaryNodeSCFG::~PhraseDictionaryNodeSCFG()
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{
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delete m_targetPhraseCollection;
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}
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void PhraseDictionaryNodeSCFG::Prune(size_t tableLimit)
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{
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// recusively prune
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for (TerminalMap::iterator p = m_sourceTermMap.begin(); p != m_sourceTermMap.end(); ++p) {
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p->second.Prune(tableLimit);
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}
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for (NonTerminalMap::iterator p = m_nonTermMap.begin(); p != m_nonTermMap.end(); ++p) {
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p->second.Prune(tableLimit);
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}
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// prune TargetPhraseCollection in this node
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if (m_targetPhraseCollection != NULL)
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m_targetPhraseCollection->Prune(true, tableLimit);
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}
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void PhraseDictionaryNodeSCFG::Sort(size_t tableLimit)
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{
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// recusively sort
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for (TerminalMap::iterator p = m_sourceTermMap.begin(); p != m_sourceTermMap.end(); ++p) {
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p->second.Sort(tableLimit);
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}
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for (NonTerminalMap::iterator p = m_nonTermMap.begin(); p != m_nonTermMap.end(); ++p) {
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p->second.Sort(tableLimit);
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}
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// prune TargetPhraseCollection in this node
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if (m_targetPhraseCollection != NULL) {
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m_targetPhraseCollection->Sort(true, tableLimit);
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}
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}
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PhraseDictionaryNodeSCFG *PhraseDictionaryNodeSCFG::GetOrCreateChild(const Word &sourceTerm)
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{
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//CHECK(!sourceTerm.IsNonTerminal());
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std::pair <TerminalMap::iterator,bool> insResult;
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insResult = m_sourceTermMap.insert( std::make_pair(sourceTerm, PhraseDictionaryNodeSCFG()) );
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const TerminalMap::iterator &iter = insResult.first;
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PhraseDictionaryNodeSCFG &ret = iter->second;
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return &ret;
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}
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PhraseDictionaryNodeSCFG *PhraseDictionaryNodeSCFG::GetOrCreateChild(const Word &sourceNonTerm, const Word &targetNonTerm)
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{
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CHECK(sourceNonTerm.IsNonTerminal());
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CHECK(targetNonTerm.IsNonTerminal());
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NonTerminalMapKey key(sourceNonTerm, targetNonTerm);
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std::pair <NonTerminalMap::iterator,bool> insResult;
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insResult = m_nonTermMap.insert( std::make_pair(key, PhraseDictionaryNodeSCFG()) );
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const NonTerminalMap::iterator &iter = insResult.first;
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PhraseDictionaryNodeSCFG &ret = iter->second;
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return &ret;
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}
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const PhraseDictionaryNodeSCFG *PhraseDictionaryNodeSCFG::GetChild(const Word &sourceTerm) const
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{
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CHECK(!sourceTerm.IsNonTerminal());
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TerminalMap::const_iterator p = m_sourceTermMap.find(sourceTerm);
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return (p == m_sourceTermMap.end()) ? NULL : &p->second;
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}
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const PhraseDictionaryNodeSCFG *PhraseDictionaryNodeSCFG::GetChild(const Word &sourceNonTerm, const Word &targetNonTerm) const
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{
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CHECK(sourceNonTerm.IsNonTerminal());
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CHECK(targetNonTerm.IsNonTerminal());
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NonTerminalMapKey key(sourceNonTerm, targetNonTerm);
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NonTerminalMap::const_iterator p = m_nonTermMap.find(key);
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return (p == m_nonTermMap.end()) ? NULL : &p->second;
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}
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void PhraseDictionaryNodeSCFG::Clear()
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{
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m_sourceTermMap.clear();
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m_nonTermMap.clear();
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delete m_targetPhraseCollection;
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}
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std::ostream& operator<<(std::ostream &out, const PhraseDictionaryNodeSCFG &node)
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{
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out << node.GetTargetPhraseCollection();
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return out;
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}
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TO_STRING_BODY(PhraseDictionaryNodeSCFG)
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}
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