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OS/2 Shareware BBS: 10 Tools
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cset21v1.zip
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IBMCPP
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IBMCLASS
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IASEQ.C
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1993-09-22
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42 lines
/*******************************************************************************
* *
* COPYRIGHT: *
* IBM C/C++ Tools Version 2.01 - Collection Class Library *
* Licensed Materials - Property of IBM *
* (C) Copyright IBM Corporation 1992, 1993 *
* All Rights Reserved *
* US Government Users Restricted Rights - Use, duplication, or disclosure *
* restricted by GSA ADP Schedule Contract with IBM Corp. *
* *
*******************************************************************************/
template < class Element >
long IASequence < Element >::
compare (IASequence < Element > const& collection,
long (*comparisonFunction) (Element const&, Element const&)) const
{ long result = 0;
ICursor *thisCursor = newCursor ();
ICursor *collectionCursor = collection.newCursor ();
for (thisCursor->setToFirst (), collectionCursor->setToFirst ();
result == 0 && thisCursor->isValid () && collectionCursor->isValid ();
thisCursor->setToNext (), collectionCursor->setToNext ()) {
result = (*comparisonFunction) (this->elementAt (*thisCursor),
collection.elementAt (*collectionCursor));
}
if (result == 0) {
if (thisCursor->isValid () && ! collectionCursor->isValid ())
result = 1;
else if (! thisCursor->isValid () && collectionCursor->isValid ())
result = -1;
else {
}
}
delete thisCursor;
delete collectionCursor;
return result;
}