mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-12-26 13:23:25 +03:00
99 lines
3.3 KiB
C++
99 lines
3.3 KiB
C++
/***********************************************************************
|
|
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 "moses/Phrase.h"
|
|
#include "moses/Word.h"
|
|
#include "moses/TypeDef.h"
|
|
#include "Loader.h"
|
|
|
|
#include <istream>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
namespace Moses
|
|
{
|
|
class RuleTableTrie;
|
|
|
|
//! @todo ask phil williams
|
|
class RuleTableLoaderCompact : public RuleTableLoader
|
|
{
|
|
public:
|
|
bool Load(const std::vector<FactorType> &input,
|
|
const std::vector<FactorType> &output,
|
|
const std::string &inFile,
|
|
size_t tableLimit,
|
|
RuleTableTrie &);
|
|
|
|
private:
|
|
struct LineReader {
|
|
LineReader(std::istream &input) : m_input(input), m_lineNum(0) {}
|
|
void ReadLine() {
|
|
std::getline(m_input, m_line);
|
|
// Assume everything's hunky-dory.
|
|
++m_lineNum;
|
|
}
|
|
std::istream &m_input;
|
|
std::string m_line;
|
|
size_t m_lineNum;
|
|
};
|
|
|
|
void LoadVocabularySection(LineReader &,
|
|
const std::vector<FactorType> &,
|
|
std::vector<Word> &);
|
|
|
|
void LoadPhraseSection(LineReader &,
|
|
const std::vector<Word> &,
|
|
std::vector<Phrase> &,
|
|
std::vector<size_t> &);
|
|
|
|
void LoadAlignmentSection(LineReader &,
|
|
std::vector<const AlignmentInfo *> &,
|
|
std::vector<Phrase> &);
|
|
|
|
bool LoadRuleSection(LineReader &,
|
|
const std::vector<Word> &,
|
|
const std::vector<Phrase> &,
|
|
const std::vector<Phrase> &,
|
|
const std::vector<size_t> &,
|
|
const std::vector<const AlignmentInfo *> &,
|
|
RuleTableTrie &ruleTable);
|
|
|
|
// Like Tokenize() but records starting positions of tokens (instead of
|
|
// copying substrings) and assumes delimiter is ASCII space character.
|
|
void FindTokens(std::vector<size_t> &output, const std::string &str) const {
|
|
// Skip delimiters at beginning.
|
|
size_t lastPos = str.find_first_not_of(' ', 0);
|
|
// Find first "non-delimiter".
|
|
size_t pos = str.find_first_of(' ', lastPos);
|
|
|
|
while (std::string::npos != pos || std::string::npos != lastPos) {
|
|
// Found a token, add it to the vector.
|
|
output.push_back(lastPos);
|
|
// Skip delimiters. Note the "not_of"
|
|
lastPos = str.find_first_not_of(' ', pos);
|
|
// Find next "non-delimiter"
|
|
pos = str.find_first_of(' ', lastPos);
|
|
}
|
|
}
|
|
};
|
|
|
|
} // namespace Moses
|