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#include "corpus_tools.h"
#include <iostream>
#include "tdict.h"
#include "filelib.h"
#include "verbose.h"
using namespace std;
void CorpusTools::ReadFromFile(const string& filename,
vector<vector<WordID> >* src,
set<WordID>* src_vocab,
vector<vector<WordID> >* trg,
set<WordID>* trg_vocab,
int rank,
int size) {
assert(rank >= 0);
assert(size > 0);
assert(rank < size);
if (src) src->clear();
if (src_vocab) src_vocab->clear();
if (trg) trg->clear();
if (trg_vocab) trg_vocab->clear();
const int expected_fields = 1 + (trg == NULL ? 0 : 1);
if (!SILENT) cerr << "Reading from " << filename << " ...\n";
ReadFile rf(filename);
istream& in = *rf.stream();
string line;
int lc = 0;
static const WordID kDIV = TD::Convert("|||");
vector<WordID> tmp;
while(getline(in, line)) {
const bool skip = (lc % size != rank);
++lc;
if (skip) continue;
TD::ConvertSentence(line, &tmp);
src->push_back(vector<WordID>());
vector<WordID>* d = &src->back();
set<WordID>* v = src_vocab;
int s = 0;
for (unsigned i = 0; i < tmp.size(); ++i) {
if (tmp[i] == kDIV) {
++s;
if (s > 1) { cerr << "Unexpected format in line " << lc << ": " << line << endl; abort(); }
assert(trg);
trg->push_back(vector<WordID>());
d = &trg->back();
v = trg_vocab;
} else {
d->push_back(tmp[i]);
if (v) v->insert(tmp[i]);
}
}
++s;
if (expected_fields != s) {
cerr << "Wrong number of fields in line " << lc << ": " << line << endl; abort();
}
}
}
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