mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-12-25 04:43:03 +03:00
121 lines
3.6 KiB
C++
121 lines
3.6 KiB
C++
// $Id$
|
|
|
|
/***********************************************************************
|
|
Moses - factored phrase-based language decoder
|
|
Copyright (C) 2006 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 <algorithm>
|
|
#include "TargetPhraseCollection.h"
|
|
#include "util/exception.hh"
|
|
|
|
using namespace std;
|
|
|
|
namespace Moses
|
|
{
|
|
// helper for sort
|
|
bool
|
|
CompareTargetPhrase::
|
|
operator() (const TargetPhrase *a, const TargetPhrase *b) const
|
|
{
|
|
return a->GetFutureScore() > b->GetFutureScore();
|
|
}
|
|
|
|
bool
|
|
CompareTargetPhrase::
|
|
operator() (const TargetPhrase &a, const TargetPhrase &b) const
|
|
{
|
|
return a.GetFutureScore() > b.GetFutureScore();
|
|
}
|
|
|
|
|
|
TargetPhraseCollection::TargetPhraseCollection(const TargetPhraseCollection ©)
|
|
{
|
|
for (const_iterator iter = copy.begin(); iter != copy.end(); ++iter) {
|
|
const TargetPhrase &origTP = **iter;
|
|
TargetPhrase *newTP = new TargetPhrase(origTP);
|
|
Add(newTP);
|
|
}
|
|
}
|
|
|
|
void TargetPhraseCollection::NthElement(size_t tableLimit)
|
|
{
|
|
CollType::iterator nth;
|
|
nth = (tableLimit && tableLimit <= m_collection.size()
|
|
? m_collection.begin() + tableLimit
|
|
: m_collection.end());
|
|
NTH_ELEMENT4(m_collection.begin(), nth, m_collection.end(), CompareTargetPhrase());
|
|
}
|
|
|
|
void TargetPhraseCollection::Prune(bool adhereTableLimit, size_t tableLimit)
|
|
{
|
|
NthElement(tableLimit);
|
|
|
|
if (adhereTableLimit && m_collection.size() > tableLimit) {
|
|
for (size_t ind = tableLimit; ind < m_collection.size(); ++ind) {
|
|
const TargetPhrase *targetPhrase = m_collection[ind];
|
|
delete targetPhrase;
|
|
}
|
|
m_collection.erase(m_collection.begin() + tableLimit, m_collection.end());
|
|
}
|
|
}
|
|
|
|
void TargetPhraseCollection::Sort(bool adhereTableLimit, size_t tableLimit)
|
|
{
|
|
CollType::iterator iterMiddle;
|
|
iterMiddle = (tableLimit == 0 || m_collection.size() < tableLimit)
|
|
? m_collection.end()
|
|
: m_collection.begin()+tableLimit;
|
|
|
|
std::partial_sort(m_collection.begin(), iterMiddle, m_collection.end(),
|
|
CompareTargetPhrase());
|
|
|
|
if (adhereTableLimit && tableLimit && m_collection.size() > tableLimit) {
|
|
for (size_t i = tableLimit; i < m_collection.size(); ++i) {
|
|
const TargetPhrase *targetPhrase = m_collection[i];
|
|
delete targetPhrase;
|
|
}
|
|
m_collection.erase(m_collection.begin()+tableLimit, m_collection.end());
|
|
}
|
|
}
|
|
|
|
std::ostream& operator<<(std::ostream &out, const TargetPhraseCollection &obj)
|
|
{
|
|
TargetPhraseCollection::const_iterator iter;
|
|
for (iter = obj.begin(); iter != obj.end(); ++iter) {
|
|
const TargetPhrase &tp = **iter;
|
|
out << tp << endl;
|
|
}
|
|
return out;
|
|
}
|
|
|
|
|
|
void TargetPhraseCollectionWithSourcePhrase::Add(TargetPhrase *targetPhrase)
|
|
{
|
|
UTIL_THROW(util::Exception, "Must use method Add(TargetPhrase*, const Phrase&)");
|
|
}
|
|
|
|
void TargetPhraseCollectionWithSourcePhrase::Add(TargetPhrase *targetPhrase, const Phrase &sourcePhrase)
|
|
{
|
|
m_collection.push_back(targetPhrase);
|
|
m_sourcePhrases.push_back(sourcePhrase);
|
|
}
|
|
|
|
} // namespace
|
|
|
|
|