mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-12-26 13:23:25 +03:00
95 lines
3.0 KiB
C++
95 lines
3.0 KiB
C++
/***********************************************************************
|
|
Moses - statistical machine translation system
|
|
Copyright (C) 2006-2012 University of Edinburgh
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
***********************************************************************/
|
|
|
|
#include "moses/NonTerminal.h"
|
|
#include "moses/TranslationModel/Scope3Parser/Parser.h"
|
|
#include "moses/StaticData.h"
|
|
#include "moses/TargetPhrase.h"
|
|
#include "moses/TargetPhraseCollection.h"
|
|
#include "moses/Util.h"
|
|
#include "moses/Word.h"
|
|
#include "UTrie.h"
|
|
#include "Trie.h"
|
|
#include "UTrieNode.h"
|
|
|
|
#include <boost/functional/hash.hpp>
|
|
#include <boost/unordered_map.hpp>
|
|
#include <boost/version.hpp>
|
|
|
|
#include <map>
|
|
#include <vector>
|
|
|
|
namespace Moses
|
|
{
|
|
|
|
TargetPhraseCollection &RuleTableUTrie::GetOrCreateTargetPhraseCollection(
|
|
const Phrase &source, const TargetPhrase &target, const Word &sourceLHS)
|
|
{
|
|
UTrieNode &currNode = GetOrCreateNode(source, target, sourceLHS);
|
|
return currNode.GetOrCreateTargetPhraseCollection(target);
|
|
}
|
|
|
|
UTrieNode &RuleTableUTrie::GetOrCreateNode(const Phrase &source,
|
|
const TargetPhrase &target,
|
|
const Word &/*sourceLHS*/)
|
|
{
|
|
const size_t size = source.GetSize();
|
|
|
|
const AlignmentInfo &alignmentInfo = target.GetAlignNonTerm();
|
|
AlignmentInfo::const_iterator iterAlign = alignmentInfo.begin();
|
|
|
|
UTrieNode *currNode = &m_root;
|
|
for (size_t pos = 0 ; pos < size ; ++pos) {
|
|
const Word &word = source.GetWord(pos);
|
|
|
|
if (word.IsNonTerminal()) {
|
|
assert(iterAlign != alignmentInfo.end());
|
|
assert(iterAlign->first == pos);
|
|
size_t targetNonTermInd = iterAlign->second;
|
|
++iterAlign;
|
|
const Word &targetNonTerm = target.GetWord(targetNonTermInd);
|
|
currNode = currNode->GetOrCreateNonTerminalChild(targetNonTerm);
|
|
} else {
|
|
currNode = currNode->GetOrCreateTerminalChild(word);
|
|
}
|
|
|
|
assert(currNode != NULL);
|
|
}
|
|
|
|
return *currNode;
|
|
}
|
|
|
|
ChartRuleLookupManager *RuleTableUTrie::CreateRuleLookupManager(
|
|
const InputType &sentence,
|
|
const ChartCellCollectionBase &cellCollection)
|
|
{
|
|
// FIXME This should be a parameter to CreateRuleLookupManager
|
|
size_t maxChartSpan = 0;
|
|
return new Scope3Parser(sentence, cellCollection, *this, maxChartSpan);
|
|
}
|
|
|
|
void RuleTableUTrie::SortAndPrune()
|
|
{
|
|
if (GetTableLimit()) {
|
|
m_root.Sort(GetTableLimit());
|
|
}
|
|
}
|
|
|
|
} // namespace Moses
|