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NeXTSTEP 3.3 (Developer)…68k, x86, SPARC, PA-RISC]
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NeXTSTEP 3.3 Dev Intel.iso
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Headers
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foundation
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NSRange.h
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1994-05-13
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962b
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34 lines
/* NSRange.h
Definitions relative to ranges
Copyright 1993, 1994, NeXT, Inc.
NeXT, Nov 1993
*/
#import <foundation/NSObject.h>
@class NSString;
/* An open struct for specifying a range of items in arrays, strings, etc. */
typedef struct _NSRange {
unsigned int location;
unsigned int length;
} NSRange;
static inline unsigned NSMaxRange(NSRange range) {
/* Note that this can easily overflow if range.length big */
return range.location + range.length;
}
static inline BOOL NSLocationInRange(unsigned location, NSRange range) {
return (location >= range.location) && (location < NSMaxRange(range));
}
extern NSRange NSUnionRange(NSRange range1, NSRange range2);
extern NSRange NSIntersectionRange(NSRange range1, NSRange range2);
/* !length => ranges don't intersect, and then location is meaningless */
extern NSString *NSStringFromRange(NSRange range);
/* Returns a string of the form: {location = 34; length = 12} */