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#include "corpus.h"
#include <set>
#include <vector>
#include <string>
#include "tdict.h"
#include "filelib.h"
using namespace std;
namespace corpus {
void ReadParallelCorpus(const string& filename,
vector<vector<WordID> >* f,
vector<vector<WordID> >* e,
set<WordID>* vocab_f,
set<WordID>* vocab_e) {
f->clear();
e->clear();
vocab_f->clear();
vocab_e->clear();
ReadFile rf(filename);
istream* in = rf.stream();
assert(*in);
string line;
const WordID kDIV = TD::Convert("|||");
vector<WordID> tmp;
while(*in) {
getline(*in, line);
if (line.empty() && !*in) break;
e->push_back(vector<int>());
f->push_back(vector<int>());
vector<int>& le = e->back();
vector<int>& lf = f->back();
tmp.clear();
TD::ConvertSentence(line, &tmp);
bool isf = true;
for (unsigned i = 0; i < tmp.size(); ++i) {
const int cur = tmp[i];
if (isf) {
if (kDIV == cur) { isf = false; } else {
lf.push_back(cur);
vocab_f->insert(cur);
}
} else {
assert(cur != kDIV);
le.push_back(cur);
vocab_e->insert(cur);
}
}
assert(isf == false);
}
}
}
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