Files
rdkit/Code/GraphMol/Bond.cpp

261 lines
7.0 KiB
C++
Executable File

// $Id$
//
// Copyright (C) 2001-2006 Greg Landrum and Rational Discovery LLC
//
// @@ All Rights Reserved @@
//
#include "Bond.h"
#include "Atom.h"
#include "ROMol.h"
#include <RDGeneral/Invariant.h>
namespace RDKit {
Bond::Bond() {
initBond();
};
Bond::Bond(BondType bT) {
initBond();
d_bondType = bT;
};
Bond::Bond(const Bond &other){
// NOTE: we do *not* copy ownership!
dp_mol = 0;
d_bondType = other.d_bondType;
d_beginAtomIdx = other.d_beginAtomIdx;
d_endAtomIdx = other.d_endAtomIdx;
d_dirTag = other.d_dirTag;
d_stereo = other.d_stereo;
d_stereoAtoms = other.d_stereoAtoms;
df_isAromatic = other.df_isAromatic;
df_isConjugated = other.df_isConjugated;
d_index = other.d_index;
if(other.dp_props){
dp_props = new Dict(*other.dp_props);
} else {
dp_props = new Dict();
//STR_VECT computed;
//dp_props->setVal("computedProps", computed);
}
}
Bond::~Bond()
{
if(dp_props) delete dp_props;
}
Bond &Bond::operator=(const Bond &other){
// FIX: should we copy molecule ownership? I don't think so.
// FIX: how to deal with atom indices?
initBond();
dp_mol = other.dp_mol;
d_bondType = other.d_bondType;
d_beginAtomIdx = other.d_beginAtomIdx;
d_endAtomIdx = other.d_endAtomIdx;
d_dirTag = other.d_dirTag;
d_stereoAtoms = other.d_stereoAtoms;
df_isAromatic = other.df_isAromatic;
df_isConjugated = other.df_isConjugated;
d_index = other.d_index;
if(dp_props) delete dp_props;
if(other.dp_props)
dp_props = new Dict(*other.dp_props);
return *this;
}
Bond *Bond::copy() const {
Bond *res = new Bond(*this);
return res;
}
void Bond::setOwningMol(ROMol *other)
{
// FIX: doesn't update topology
dp_mol = other;
}
unsigned int Bond::getOtherAtomIdx(const unsigned int thisIdx) const
{
PRECONDITION(d_beginAtomIdx == thisIdx ||
d_endAtomIdx == thisIdx, "bad index");
if( d_beginAtomIdx == thisIdx ) return d_endAtomIdx;
else if (d_endAtomIdx == thisIdx) return d_beginAtomIdx;
// we cannot actually get down here
return 0;
}
void Bond::setBeginAtomIdx(unsigned int what) {
if(dp_mol) RANGE_CHECK(0,what,getOwningMol().getNumAtoms()-1);
d_beginAtomIdx = what;
};
void Bond::setEndAtomIdx(unsigned int what) {
if(dp_mol) RANGE_CHECK(0,what,getOwningMol().getNumAtoms()-1);
d_endAtomIdx = what;
};
void Bond::setBeginAtom(Atom *at) {
PRECONDITION( dp_mol != 0, "no owning molecule for bond");
setBeginAtomIdx(at->getIdx());
}
void Bond::setBeginAtom(Atom::ATOM_SPTR at) {
PRECONDITION( dp_mol != 0, "no owning molecule for bond");
setBeginAtomIdx(at->getIdx());
}
void Bond::setEndAtom(Atom *at) {
PRECONDITION( dp_mol != 0, "no owning molecule for bond");
setEndAtomIdx(at->getIdx());
}
void Bond::setEndAtom(Atom::ATOM_SPTR at) {
PRECONDITION( dp_mol != 0, "no owning molecule for bond");
setEndAtomIdx(at->getIdx());
}
Atom *Bond::getBeginAtom() const {
PRECONDITION( dp_mol != 0, "no owning molecule for bond");
return dp_mol->getAtomWithIdx(d_beginAtomIdx);
};
Atom *Bond::getEndAtom() const {
PRECONDITION( dp_mol != 0, "no owning molecule for bond");
return dp_mol->getAtomWithIdx(d_endAtomIdx);
};
Atom *Bond::getOtherAtom(Atom const *what) const {
PRECONDITION( dp_mol != 0, "no owning molecule for bond");
return dp_mol->getAtomWithIdx(getOtherAtomIdx(what->getIdx()));
};
double Bond::getBondTypeAsDouble() const {
switch(getBondType()){
case UNSPECIFIED: return 0; break;
case SINGLE: return 1; break;
case DOUBLE: return 2; break;
case TRIPLE: return 3; break;
case QUADRUPLE: return 4; break;
case QUINTUPLE: return 5; break;
case HEXTUPLE: return 6; break;
case ONEANDAHALF: return 1.5; break;
case TWOANDAHALF: return 2.5; break;
case THREEANDAHALF: return 3.5; break;
case FOURANDAHALF: return 4.5; break;
case FIVEANDAHALF: return 5.5; break;
case AROMATIC: return 1.5; break;
case DATIVEONE: return 1.0; break; // FIX: this should probably be different
case DATIVE: return 1.0; break; //FIX: again probably wrong
default:
UNDER_CONSTRUCTION("Bad bond type");
}
}
double Bond::getValenceContrib(Atom::ATOM_SPTR at) const {
return getValenceContrib(at.get());
}
double Bond::getValenceContrib(const Atom *atom) const {
switch(getBondType()){
case UNSPECIFIED: return 0; break;
case SINGLE: return 1; break;
case DOUBLE: return 2; break;
case TRIPLE: return 3; break;
case QUADRUPLE: return 4; break;
case QUINTUPLE: return 5; break;
case HEXTUPLE: return 6; break;
case ONEANDAHALF: return 1.5; break;
case TWOANDAHALF: return 2.5; break;
case THREEANDAHALF: return 3.5; break;
case FOURANDAHALF: return 4.5; break;
case FIVEANDAHALF: return 5.5; break;
case AROMATIC: return 1.5; break;
case DATIVEONE:
if(atom->getIdx()==getEndAtomIdx())return 1.0;
else return 0.0;
break;
case DATIVE:
if(atom->getIdx()==getEndAtomIdx())return 1.0;
else return 0.0;
break;
default:
UNDER_CONSTRUCTION("Bad bond type");
}
}
void Bond::setQuery(QUERYBOND_QUERY *what) {
// Bonds don't have queries at the moment because I have not
// yet figured out what a good base query should be.
// It would be nice to be able to do substructure searches
// using molecules alone, so it'd be nice if we got this
// issue resolved ASAP.
PRECONDITION(0,"plain bonds have no Query");
}
Bond::QUERYBOND_QUERY *Bond::getQuery() const {
PRECONDITION(0,"plain bonds have no Query");
return NULL;
};
bool Bond::Match(Bond const *what) const{
bool res;
if(getBondType()==Bond::UNSPECIFIED ||
what->getBondType()==Bond::UNSPECIFIED){
res = true;
} else {
res = getBondType() == what->getBondType();
}
return res;
};
bool Bond::Match(const Bond::BOND_SPTR what) const {
return Match(what.get());
};
void Bond::expandQuery(Bond::QUERYBOND_QUERY *what,
Queries::CompositeQueryType how,
bool maintainOrder) {
PRECONDITION(0,"plain bonds have no query");
};
void Bond::initBond(){
d_bondType = UNSPECIFIED;
d_dirTag = NONE;
d_stereo = STEREONONE;
d_stereoAtoms.clear();
dp_mol = 0;
d_beginAtomIdx = 0;
d_endAtomIdx = 0;
df_isAromatic = 0;
d_index = 0;
df_isConjugated = 0;
dp_props = new Dict();
// ok every bond contains a property entry called "computedProps" which provides
// list of property keys that correspond to value that have been computed
// this can used to blow out all computed properties while leaving the rest along
// initialize this list to an empty vector of strings
//STR_VECT computed;
//dp_props->setVal("computedProps", computed);
};
}; // end o' namespace
std::ostream & operator<<(std::ostream& target, const RDKit::Bond &bond){
target << bond.getIdx() << " ";
target << bond.getBeginAtomIdx() << "->" << bond.getEndAtomIdx();
target << " order: " << bond.getBondType();
if(bond.getBondDir())
target << " dir: " << bond.getBondDir();
if(bond.getStereo())
target << " stereo: " << bond.getStereo();
target << " conj?: " << bond.getIsConjugated();
target << " aromatic?: " << bond.getIsAromatic();
return target;
}