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- /* LookupKey.c -- implementation of Dictionary LookupKey
-
- 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. 2033
- Computer Systems Laboratory
- Division of Computer Research and Technology
- National Institutes of Health
- Bethesda, Maryland 20892
- Phone: (301) 496-1111
- uucp: uunet!nih-csl!kgorlen
- Internet: kgorlen@alw.nih.gov
- September, 1985
-
- Function:
-
- LookupKey is an abstract class for managing the key object of an Assoc.
- It is used to implement class Dictionary.
-
- $Log: LookupKey.c,v $
- * Revision 3.0 90/05/20 00:20:09 kgorlen
- * Release for 1st edition.
- *
- */
-
- #include "LookupKey.h"
- #include "nihclIO.h"
-
- #define THIS LookupKey
- #define BASE Object
- #define BASE_CLASSES BASE::desc()
- #define MEMBER_CLASSES
- #define VIRTUAL_BASE_CLASSES Object::desc()
-
- DEFINE_CLASS(LookupKey,1,"$Header: /afs/alw.nih.gov/unix/sun4_40c/usr/local/src/nihcl-3.0/share/lib/RCS/LookupKey.c,v 3.0 90/05/20 00:20:09 kgorlen Rel $",NULL,NULL);
-
- LookupKey::LookupKey(Object& newKey)
- {
- akey = &newKey;
- }
-
- Object* LookupKey::key() const { return akey; }
-
- Object* LookupKey::key(Object& newkey)
- {
- Object* temp = akey;
- akey = &newkey;
- return temp;
- }
-
- bool LookupKey::isEqual(const Object& ob) const { return ob.isEqual(*akey); }
-
- unsigned LookupKey::hash() const { return akey->hash(); }
-
- int LookupKey::compare(const Object& ob) const { return ob.compare(*akey); }
-
- void LookupKey::deepenShallowCopy()
- {
- akey = akey->deepCopy();
- }
-
- void LookupKey::dumpOn(ostream& strm) const
- {
- strm << className() << '[';
- key()->dumpOn(strm);
- strm << "=>";
- value()->dumpOn(strm);
- strm << "]\n";
- }
-
- void LookupKey::printOn(ostream& strm) const
- {
- key()->printOn(strm);
- strm << "=>";
- value()->printOn(strm);
- }
-
- const Object* LookupKey::value() const
- {
- derivedClassResponsibility("value"); return 0;
- }
-
- Object* LookupKey::value()
- {
- derivedClassResponsibility("value"); return 0;
- }
-
- Object* LookupKey::value(Object& /*newvalue*/)
- {
- derivedClassResponsibility("value"); return 0;
- }
-
- LookupKey::LookupKey(OIOin& strm)
- : BASE(strm)
- {
- akey = Object::readFrom(strm);
- }
-
- void LookupKey::storer(OIOout& strm) const
- {
- BASE::storer(strm);
- akey->storeOn(strm);
- }
-
- LookupKey::LookupKey(OIOifd& fd)
- : BASE(fd)
- {
- akey = Object::readFrom(fd);
- }
-
- void LookupKey::storer(OIOofd& fd) const
- {
- BASE::storer(fd);
- akey->storeOn(fd);
- }
-