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Range.h
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C/C++ Source or Header
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1990-05-19
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58 lines
#ifndef RANGE_H
#define RANGE_H
/*$Header: /afs/alw.nih.gov/unix/sun4_40c/usr/local/src/nihcl-3.0/share/lib/RCS/Range.h,v 3.0 90/05/20 00:20:57 kgorlen Rel $*/
/* Range.h -- header file for class Range
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:
C. J. Eppich
Computer Systems Laboratory, DCRT
National Institutes of Health
Bethesda, MD 20892
$Log: Range.h,v $
* Revision 3.0 90/05/20 00:20:57 kgorlen
* Release for 1st edition.
*
*/
#include "Object.h"
class Range: public VIRTUAL Object {
DECLARE_MEMBERS(Range);
int first,len;
protected: // storer() functions for object I/O
virtual void storer(OIOofd&) const;
virtual void storer(OIOout&) const;
public:
Range() { first = 0; len = -1; }
Range(int f, int l) { first = f; len = l; }
int length() const { return len; }
int length(int l) { return len = l; }
int firstIndex() const { return first; }
int firstIndex(int f) { return first = f; }
int lastIndex() const { return (first + len - 1); }
int lastIndex(int i) { len = i - first + 1; return i; }
bool valid() const { return (len >= 0); }
void operator=(const Range& r) { first = r.first; len = r.len; }
bool operator==(const Range& r) const { return ((first == r.first) && (len == r.len)); }
bool operator!=(const Range& r) const { return !(*this==r); }
virtual void deepenShallowCopy(); // {}
virtual unsigned hash() const;
virtual bool isEqual(const Object&) const;
virtual void printOn(ostream& strm =cout) const;
virtual const Class* species() const;
private: // shouldNotImplement()
virtual int compare(const Object&) const;
};
#endif