pubchemDownloader.h

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// -*- Mode: C++; tab-width: 2; -*-
// vi: set ts=2:
//

#ifndef BALL_FORMAT_PUBCHEMDOWNLOADER_H
#define BALL_FORMAT_PUBCHEMDOWNLOADER_H

#ifndef BALL_SYSTEM_SIMPLEDOWNLOADER_H
# include <BALL/SYSTEM/simpleDownloader.h>
#endif

#include <QDomDocument>

namespace BALL
{
  class BALL_EXPORT PubChemDownloader
    : public QObject
  {
    Q_OBJECT

    public:
      PubChemDownloader();
      virtual ~PubChemDownloader() {};

      bool downloadSDF(const String& query, const String& filename, bool blocking = true);

    public slots:
      void downloadFinished(bool error);
      void dataTransferProgress(qint64 done, qint64 total);

    signals:
      void downloadProgress(qint64 done, qint64 total);
      void downloadFinished(const QString& filename);

    protected:
      QDomDocument pollPubChem_(const QString& request_id);
      void buildSimpleTree_(const String& names);
      void addTextNode_(const String& value);

      String esearch_base_url_;
      String pug_base_url_;

      SimpleDownloader dl_;
      QDomDocument request_;
      QDomElement last_node_;
      QDomElement current_node_;

      QFile outfile_;
      QFtp   ftp_;
  };
}

#endif // BALL_FORMAT_PUBCHEMDOWNLOADER_H

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