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#include "opencv2/datasets/is_bsds.hpp"
#include "opencv2/datasets/util.hpp"

namespace cv
{
namespace datasets
{

using namespace std;

class IS_bsdsImp : public IS_bsds
{
public:
    IS_bsdsImp() {}
    //IS_bsdsImp(const string &path);
    virtual ~IS_bsdsImp() {}

    virtual void load(const string &path);

private:
    void loadDataset(const string &path);

    void loadDatasetPart(const string &fileName, vector< Ptr<Object> > &dataset_);
};

void IS_bsdsImp::loadDatasetPart(const string &fileName, vector< Ptr<Object> > &dataset_)
{
    ifstream infile(fileName.c_str());
    string imageName;
    while (infile >> imageName)
    {
        Ptr<IS_bsdsObj> curr(new IS_bsdsObj);
        curr->name = imageName;
        dataset_.push_back(curr);
    }
}

/*IS_bsdsImp::IS_bsdsImp(const string &path)
{
    loadDataset(path);
}*/

void IS_bsdsImp::load(const string &path)
{
    loadDataset(path);
}

void IS_bsdsImp::loadDataset(const string &path)
{
    train.push_back(vector< Ptr<Object> >());
    test.push_back(vector< Ptr<Object> >());
    validation.push_back(vector< Ptr<Object> >());

    string trainName(path + "iids_train.txt");
    string testName(path + "iids_test.txt");

    // loading train
    loadDatasetPart(trainName, train.back());

    // loading test
    loadDatasetPart(testName, test.back());
}

Ptr<IS_bsds> IS_bsds::create()
{
    return Ptr<IS_bsdsImp>(new IS_bsdsImp);
}

}
}
