File: MolCatalogEntry.cpp

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// $Id$
//
//  Copyright (C) 2006-2008 Greg Landrum
//
//   @@ All Rights Reserved @@
//  This file is part of the RDKit.
//  The contents are covered by the terms of the BSD license
//  which is included in the file license.txt, found at the root
//  of the RDKit source tree.
//
#include "MolCatalogEntry.h"

#include <RDGeneral/types.h>
#include <RDGeneral/StreamOps.h>
#include <GraphMol/RDKitBase.h>
#include <GraphMol/MolPickler.h>
#include <iostream>
#include <sstream>
#include <boost/cstdint.hpp>

namespace RDKit {

MolCatalogEntry::MolCatalogEntry(const ROMol *omol) {
  PRECONDITION(omol, "bad mol");
  setBitId(-1);
  dp_props = new Dict();
  d_descrip = "";
  dp_mol = omol;
}

MolCatalogEntry::MolCatalogEntry(const MolCatalogEntry &other) {
  setBitId(other.getBitId());
  d_descrip = other.d_descrip;
  dp_props = nullptr;
  dp_mol = nullptr;
  if (other.dp_props) {
    dp_props = new Dict(*other.dp_props);
  }
  if (other.dp_mol) {
    dp_mol = new ROMol(*other.dp_mol);
  }
}

MolCatalogEntry::~MolCatalogEntry() {
  // std::cerr << "mce: " << dp_mol <<" " <<dp_props << std::endl;
  delete dp_mol;
  dp_mol = nullptr;

  delete dp_props;
  dp_props = nullptr;

  // std::cerr << "<< done" << std::endl;
}

void MolCatalogEntry::setMol(const ROMol *omol) {
  PRECONDITION(omol, "bad mol");
  delete dp_mol;
  dp_mol = omol;
}

void MolCatalogEntry::toStream(std::ostream &ss) const {
  PRECONDITION(dp_mol, "bad mol");
  MolPickler::pickleMol(*dp_mol, ss);

  boost::int32_t tmpInt;
  tmpInt = getBitId();
  streamWrite(ss, tmpInt);

  tmpInt = getOrder();
  streamWrite(ss, tmpInt);

  tmpInt = d_descrip.size();
  streamWrite(ss, tmpInt);
  ss.write(d_descrip.c_str(), tmpInt * sizeof(char));
}

std::string MolCatalogEntry::Serialize() const {
  std::stringstream ss(std::ios_base::binary | std::ios_base::out |
                       std::ios_base::in);
  toStream(ss);
  return ss.str();
}

void MolCatalogEntry::initFromStream(std::istream &ss) {
  delete dp_mol;
  dp_mol = nullptr;
  delete dp_props;
  dp_props = nullptr;

  // the molecule:
  dp_mol = new ROMol();
  MolPickler::molFromPickle(ss, *const_cast<ROMol *>(dp_mol));

  dp_props = new Dict();

  boost::int32_t tmpInt;
  // the bitId:
  streamRead(ss, tmpInt);
  setBitId(tmpInt);

  // the order:
  streamRead(ss, tmpInt);
  setOrder(tmpInt);

  // the description:
  streamRead(ss, tmpInt);
  auto *tmpText = new char[tmpInt + 1];
  ss.read(tmpText, tmpInt * sizeof(char));
  tmpText[tmpInt] = 0;
  d_descrip = tmpText;
  delete[] tmpText;
}

void MolCatalogEntry::initFromString(const std::string &text) {
  std::stringstream ss(std::ios_base::binary | std::ios_base::out |
                       std::ios_base::in);
  // initialize the stream:
  ss.write(text.c_str(), text.length());
  // now start reading out values:
  initFromStream(ss);
}
}