https://github.com/wilkeraziz/mosesdecoder
Tip revision: 8afb88f6434720222dc46911299db548fb542137 authored by maria nadejde on 16 January 2016, 14:41:00 UTC
map verbs to lowercase instead of cluster id. cluters only work with MI model and break the WB model
map verbs to lowercase instead of cluster id. cluters only work with MI model and break the WB model
Tip revision: 8afb88f
TargetCorpus.cpp
#include "TargetCorpus.h"
#include <fstream>
#include <string>
#include <cstdlib>
#include <cstring>
namespace
{
const int LINE_MAX_LENGTH = 10000;
} // namespace
using namespace std;
TargetCorpus::TargetCorpus()
: m_array(NULL),
m_sentenceEnd(NULL),
m_vcb(),
m_size(0),
m_sentenceCount(0) {}
TargetCorpus::~TargetCorpus()
{
free(m_array);
free(m_sentenceEnd);
}
void TargetCorpus::Create(const string& fileName )
{
ifstream textFile;
char line[LINE_MAX_LENGTH];
// count the number of words first;
textFile.open(fileName.c_str());
if (!textFile) {
cerr << "no such file or directory " << fileName << endl;
exit(1);
}
istream *fileP = &textFile;
m_size = 0;
m_sentenceCount = 0;
while(!fileP->eof()) {
SAFE_GETLINE((*fileP), line, LINE_MAX_LENGTH, '\n');
if (fileP->eof()) break;
vector< WORD_ID > words = m_vcb.Tokenize( line );
m_size += words.size();
m_sentenceCount++;
}
textFile.close();
cerr << m_size << " words" << endl;
// allocate memory
m_array = (WORD_ID*) calloc( sizeof( WORD_ID ), m_size );
m_sentenceEnd = (INDEX*) calloc( sizeof( INDEX ), m_sentenceCount );
if (m_array == NULL) {
cerr << "cannot allocate memory to m_array" << endl;
exit(1);
}
if (m_sentenceEnd == NULL) {
cerr << "cannot allocate memory to m_sentenceEnd" << endl;
exit(1);
}
// fill the array
int wordIndex = 0;
int sentenceId = 0;
textFile.open(fileName.c_str());
if (!textFile) {
cerr << "no such file or directory " << fileName << endl;
exit(1);
}
fileP = &textFile;
while(!fileP->eof()) {
SAFE_GETLINE((*fileP), line, LINE_MAX_LENGTH, '\n');
if (fileP->eof()) break;
vector< WORD_ID > words = m_vcb.Tokenize( line );
vector< WORD_ID >::const_iterator i;
for( i=words.begin(); i!=words.end(); i++) {
m_array[ wordIndex++ ] = *i;
}
m_sentenceEnd[ sentenceId++ ] = wordIndex-1;
}
textFile.close();
cerr << "done reading " << wordIndex << " words, " << sentenceId << " sentences." << endl;
}
WORD TargetCorpus::GetWordFromId( const WORD_ID id ) const
{
return m_vcb.GetWord( id );
}
WORD TargetCorpus::GetWord( INDEX sentence, int word ) const
{
return m_vcb.GetWord( GetWordId( sentence, word ) );
}
WORD_ID TargetCorpus::GetWordId( INDEX sentence, int word ) const
{
if (sentence == 0) {
return m_array[ word ];
}
return m_array[ m_sentenceEnd[ sentence-1 ] + 1 + word ] ;
}
char TargetCorpus::GetSentenceLength( INDEX sentence ) const
{
if (sentence == 0) {
return (char) m_sentenceEnd[ 0 ]+1;
}
return (char) ( m_sentenceEnd[ sentence ] - m_sentenceEnd[ sentence-1 ] );
}
void TargetCorpus::Save(const string& fileName ) const
{
FILE *pFile = fopen ( (fileName + ".tgt").c_str() , "w" );
if (pFile == NULL) {
cerr << "Cannot open " << fileName << endl;
exit(1);
}
fwrite( &m_size, sizeof(INDEX), 1, pFile );
fwrite( m_array, sizeof(WORD_ID), m_size, pFile ); // corpus
fwrite( &m_sentenceCount, sizeof(INDEX), 1, pFile );
fwrite( m_sentenceEnd, sizeof(INDEX), m_sentenceCount, pFile); // sentence index
fclose( pFile );
m_vcb.Save( fileName + ".tgt-vcb" );
}
void TargetCorpus::Load(const string& fileName )
{
FILE *pFile = fopen ( (fileName + ".tgt").c_str() , "r" );
if (pFile == NULL) {
cerr << "Cannot open " << fileName << endl;
exit(1);
}
cerr << "loading from " << fileName << ".tgt" << endl;
fread( &m_size, sizeof(INDEX), 1, pFile );
cerr << "words in corpus: " << m_size << endl;
m_array = (WORD_ID*) calloc( sizeof(WORD_ID), m_size );
if (m_array == NULL) {
cerr << "cannot allocate memory to m_array" << endl;
exit(1);
}
fread( m_array, sizeof(WORD_ID), m_size, pFile ); // corpus
fread( &m_sentenceCount, sizeof(INDEX), 1, pFile );
cerr << "sentences in corpus: " << m_sentenceCount << endl;
m_sentenceEnd = (INDEX*) calloc( sizeof(INDEX), m_sentenceCount );
if (m_sentenceEnd == NULL) {
cerr << "cannot allocate memory to m_sentenceEnd" << endl;
exit(1);
}
fread( m_sentenceEnd, sizeof(INDEX), m_sentenceCount, pFile); // sentence index
fclose( pFile );
m_vcb.Load( fileName + ".tgt-vcb" );
}