Category : C Source Code
Archive   : CPPOOPS.ZIP
Filename : LINKOB.CXX

/* LinkOb.c -- implementation of singly-linked list Object pointer element

THIS SOFTWARE FITS THE DESCRIPTION IN THE U.S. COPYRIGHT ACT OF A
"UNITED STATES GOVERNMENT WORK". IT WAS WRITTEN AS A PART OF THE
AUTHOR'S OFFICIAL DUTIES AS A GOVERNMENT EMPLOYEE. THIS MEANS IT
CANNOT BE COPYRIGHTED. THIS SOFTWARE IS FREELY AVAILABLE TO THE
PUBLIC FOR USE WITHOUT A COPYRIGHT NOTICE, AND THERE ARE NO
RESTRICTIONS ON ITS USE, NOW OR SUBSEQUENTLY.

Author:
K. E. Gorlen
Bg. 12A, Rm. 2017
Computer Systems Laboratory
Division of Computer Research and Technology
National Institutes of Health
Bethesda, Maryland 20892
Phone: (301) 496-5363
uucp: uunet!ncifcrf.gov!nih-csl!keith
Internet: keith%[email protected]
October, 1985

Function:

Objects of class LinkOb are used to link Objects into a LinkedList.

$Log: LinkOb.c,v $
* Revision 1.2 88/01/16 23:39:31 keith
* Remove pre-RCS modification history
*
*/

#include "LinkOb.hxx"
#ifdef OBJECTIO
#include "oopsIO.hxx"
#endif //OBJECTIO

#define THIS LinkOb
#define BASE Link
DEFINE_CLASS(LinkOb,Link,1,"$Header: LinkOb.c,v 1.2 88/01/16 23:39:31 keith Exp $",NULL,NULL);

LinkOb::LinkOb(const Object& newval)
{
val = &newval;
}

unsigned LinkOb::capacity() { return val->capacity(); }

int LinkOb::compare(const Object& ob) { return ob.compare(*val); }

void LinkOb::deepenShallowCopy()
{
BASE::deepenShallowCopy();
val = val->deepCopy();
}

unsigned LinkOb::hash() { return val->hash(); }

bool LinkOb::isEqual(const Object& ob) { return ob.isEqual(*val); }

#ifdef OBJECTIO
void LinkOb::printOn(ostream& strm)
{
strm << className() << "("; val->printOn(strm); strm << ")";
}
#endif //OBJECTIO

unsigned LinkOb::size() { return val->size(); }

Object* LinkOb::value() { return val; }

Object* LinkOb::value(const Object& newval)
{
Object* temp = val;
val = &newval;
return temp;
}

#ifdef OBJECTIO
LinkOb::LinkOb(istream& strm, LinkOb& where)
{
this = &where;
val = readFrom(strm);

}

void LinkOb::storer(ostream& strm)
{
BASE::storer(strm);
val->storeOn(strm);
}

LinkOb::LinkOb(fileDescTy& fd, LinkOb& where)
{
this = &where;
val = readFrom(fd);
}

void LinkOb::storer(fileDescTy& fd)
{
BASE::storer(fd);
val->storeOn(fd);
}
#endif //OBJECTIO