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#include "dep_training.h"
#include <vector>
#include <iostream>
#include "stringlib.h"
#include "filelib.h"
#include "tdict.h"
#include "picojson.h"
using namespace std;
void TrainingInstance::ReadTraining(const string& fname, vector<TrainingInstance>* corpus, int rank, int size) {
ReadFile rf(fname);
istream& in = *rf.stream();
string line;
string err;
int lc = 0;
bool flag = false;
while(getline(in, line)) {
++lc;
if ((lc-1) % size != rank) continue;
if (rank == 0 && lc % 10 == 0) { cerr << '.' << flush; flag = true; }
if (rank == 0 && lc % 400 == 0) { cerr << " [" << lc << "]\n"; flag = false; }
size_t pos = line.rfind('\t');
assert(pos != string::npos);
picojson::value obj;
picojson::parse(obj, line.begin() + pos, line.end(), &err);
if (err.size() > 0) { cerr << "JSON parse error in " << lc << ": " << err << endl; abort(); }
corpus->push_back(TrainingInstance());
TrainingInstance& cur = corpus->back();
TaggedSentence& ts = cur.ts;
EdgeSubset& tree = cur.tree;
assert(obj.is<picojson::object>());
const picojson::object& d = obj.get<picojson::object>();
const picojson::array& ta = d.find("tokens")->second.get<picojson::array>();
for (unsigned i = 0; i < ta.size(); ++i) {
ts.words.push_back(TD::Convert(ta[i].get<picojson::array>()[0].get<string>()));
ts.pos.push_back(TD::Convert(ta[i].get<picojson::array>()[1].get<string>()));
}
const picojson::array& da = d.find("deps")->second.get<picojson::array>();
for (unsigned i = 0; i < da.size(); ++i) {
const picojson::array& thm = da[i].get<picojson::array>();
// get dep type here
short h = thm[2].get<double>();
short m = thm[1].get<double>();
if (h < 0)
tree.roots.push_back(m);
else
tree.h_m_pairs.push_back(make_pair(h,m));
}
//cerr << TD::GetString(ts.words) << endl << TD::GetString(ts.pos) << endl << tree << endl;
}
if (flag) cerr << "\nRead " << lc << " training instances\n";
}
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