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#include <iostream>
#include <vector>
#include <boost/program_options.hpp>
#include <boost/program_options/variables_map.hpp>
#include "filelib.h"
#include "weights.h"
#include "line_optimizer.h"
using namespace std;
namespace po = boost::program_options;
void InitCommandLine(int argc, char** argv, po::variables_map* conf) {
po::options_description opts("Configuration options");
opts.add_options()
("dev_set_size,s",po::value<unsigned int>(),"[REQD] Development set size (# of parallel sentences)")
("forest_repository,r",po::value<string>(),"[REQD] Path to forest repository")
("weights,w",po::value<string>(),"[REQD] Current feature weights file")
("optimize_feature,o",po::value<vector<string> >(), "Feature to optimize (if none specified, all weights listed in the weights file will be optimized)")
("random_directions,d",po::value<unsigned int>()->default_value(20),"Number of random directions to run the line optimizer in")
("help,h", "Help");
po::options_description dcmdline_options;
dcmdline_options.add(opts);
po::store(parse_command_line(argc, argv, dcmdline_options), *conf);
bool flag = false;
if (conf->count("dev_set_size") == 0) {
cerr << "Please specify the size of the development set using -d N\n";
flag = true;
}
if (conf->count("weights") == 0) {
cerr << "Please specify the starting-point weights using -w <weightfile.txt>\n";
flag = true;
}
if (conf->count("forest_repository") == 0) {
cerr << "Please specify the forest repository location using -r <DIR>\n";
flag = true;
}
if (flag || conf->count("help")) {
cerr << dcmdline_options << endl;
exit(1);
}
}
int main(int argc, char** argv) {
RandomNumberGenerator<boost::mt19937> rng;
po::variables_map conf;
InitCommandLine(argc, argv, &conf);
Weights weights;
vector<string> features;
weights.InitFromFile(conf["weights"].as<string>(), &features);
const string forest_repository = conf["forest_repository"].as<string>();
assert(DirectoryExists(forest_repository));
SparseVector<double> origin;
weights.InitSparseVector(&origin);
if (conf.count("optimize_feature") > 0)
features=conf["optimize_feature"].as<vector<string> >();
vector<SparseVector<double> > axes;
vector<int> fids(features.size());
for (int i = 0; i < features.size(); ++i)
fids[i] = FD::Convert(features[i]);
LineOptimizer::CreateOptimizationDirections(
fids,
conf["random_directions"].as<unsigned int>(),
&rng,
&axes);
int dev_set_size = conf["dev_set_size"].as<unsigned int>();
for (int i = 0; i < dev_set_size; ++i)
for (int j = 0; j < axes.size(); ++j)
cout << forest_repository << '/' << i << ".json.gz " << i << ' ' << origin << ' ' << axes[j] << endl;
return 0;
}
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