File size: 3,382 Bytes
fd49381 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 |
/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2014 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
#ifndef moses_CompletedRuleCollectionS_h
#define moses_CompletedRuleCollectionS_h
#include <vector>
#include <numeric>
#include "moses/StackVec.h"
#include "moses/TargetPhraseCollection.h"
#include "moses/ChartTranslationOptions.h"
#include "moses/ChartCellLabel.h"
#include "moses/ChartParserCallback.h"
namespace Moses
{
// temporary storage for a completed rule (because we use lookahead to find rules before ChartManager wants us to)
struct CompletedRule {
public:
CompletedRule(const TargetPhraseCollection &tpc,
const StackVec &stackVec,
const float score)
: m_stackVec(stackVec)
, m_tpc(tpc)
, m_score(score) {}
const TargetPhraseCollection & GetTPC() const {
return m_tpc;
}
const StackVec & GetStackVector() const {
return m_stackVec;
}
const float GetScoreEstimate() const {
return m_score;
}
private:
const StackVec m_stackVec;
const TargetPhraseCollection &m_tpc;
const float m_score;
};
class CompletedRuleOrdered
{
public:
bool operator()(const CompletedRule* itemA, const CompletedRule* itemB) const {
return itemA->GetScoreEstimate() > itemB->GetScoreEstimate();
}
};
struct CompletedRuleCollection {
public:
CompletedRuleCollection(size_t rule_limit);
~CompletedRuleCollection();
CompletedRuleCollection(const CompletedRuleCollection &old)
: m_collection(old.m_collection)
, m_scoreThreshold(old.m_scoreThreshold)
, m_ruleLimit(old.m_ruleLimit) {}
CompletedRuleCollection & operator=(const CompletedRuleCollection &old) {
m_collection = old.m_collection;
m_scoreThreshold = old.m_scoreThreshold;
m_ruleLimit = old.m_ruleLimit;
return *this;
}
std::vector<CompletedRule*>::const_iterator begin() const {
return m_collection.begin();
}
std::vector<CompletedRule*>::const_iterator end() const {
return m_collection.end();
}
void Clear() {
RemoveAllInColl(m_collection);
}
void Add(const TargetPhraseCollection &tpc,
const StackVec &stackVec,
const ChartParserCallback &outColl);
void Add(const TargetPhraseCollection &tpc,
const StackVec &stackVec,
const std::vector<float> &stackScores,
const ChartParserCallback &outColl);
private:
std::vector<CompletedRule*> m_collection;
float m_scoreThreshold;
size_t m_ruleLimit;
};
} // namespace Moses
#endif
|