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/***********************************************************************
Moses - statistical machine translation system
Copyright (C) 2006-2011 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
***********************************************************************/
#pragma once
#include "PhraseDictionaryNodeMemory.h"
#include "moses/TranslationModel/PhraseDictionary.h"
#include "moses/InputType.h"
#include "moses/NonTerminal.h"
#include "moses/TranslationModel/RuleTable/Trie.h"
namespace Moses
{
class ChartParser;
/** Implementation of a in-memory rule table in a trie. Looking up a rule of
* length n symbols requires n look-ups to find the TargetPhraseCollection.
*/
class PhraseDictionaryMemory : public RuleTableTrie
{
friend std::ostream& operator<<(std::ostream&, const PhraseDictionaryMemory&);
friend class RuleTableLoader;
protected:
PhraseDictionaryMemory(int type, const std::string &line)
: RuleTableTrie(line) {
}
public:
PhraseDictionaryMemory(const std::string &line);
const PhraseDictionaryNodeMemory &GetRootNode() const {
return m_collection;
}
ChartRuleLookupManager*
CreateRuleLookupManager(
const ChartParser &,
const ChartCellCollectionBase &,
std::size_t);
// only used by multi-model phrase table, and other meta-features
TargetPhraseCollection::shared_ptr
GetTargetPhraseCollectionLEGACY(const Phrase& src) const;
void
GetTargetPhraseCollectionBatch(const InputPathList &inputPathQueue) const;
TO_STRING();
protected:
TargetPhraseCollection::shared_ptr
GetOrCreateTargetPhraseCollection
(const Phrase &source, const TargetPhrase &target, const Word *sourceLHS);
PhraseDictionaryNodeMemory &
GetOrCreateNode(const Phrase &source, const TargetPhrase &target,
const Word *sourceLHS);
void SortAndPrune();
PhraseDictionaryNodeMemory m_collection;
};
} // namespace Moses
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