//

//  ValueArray.h

//  MYUtilities

//

//  Copyright 2008 Jens Alfke. All rights reserved.

//

#import <Cocoa/Cocoa.h>

@interface ValueArray : NSObject <NSCoding>

{

    unsigned _count;

    size_t _valueSize;

}

+ (ValueArray*) valueArrayWithCount: (unsigned)count valueSize: (size_t)valueSize;

- (unsigned) count;

- (size_t) valueSize;

- (const void*) valueAtIndex: (unsigned)i;

- (void) getValue: (void*)value atIndex: (unsigned)i;

- (void) setValue: (const void*)value atIndex: (unsigned)i;

@end

#define DeclareValueArrayOf(CAPTYPE,TYPE) \

            @interface CAPTYPE##Array : ValueArray \

            + (CAPTYPE##Array*) TYPE##ArrayWithCount: (unsigned)count; \

            - (TYPE) TYPE##AtIndex: (unsigned)index; \

            - (void) set##CAPTYPE: (TYPE)value atIndex: (unsigned)index; \

            @end

#define ImplementValueArrayOf(CAPTYPE,TYPE) \

            @implementation CAPTYPE##Array \

            + (CAPTYPE##Array*) TYPE##Array##WithCount: (unsigned)count \

                {return (id)[super valueArrayWithCount: count valueSize: sizeof(TYPE)];} \

            - (TYPE) TYPE##AtIndex: (unsigned)i; \

                {NSParameterAssert(i<_count); return ((const TYPE*)object_getIndexedIvars(self))[i];}\

            - (void) set##CAPTYPE: (TYPE)value atIndex: (unsigned)i \

                {NSParameterAssert(i<_count); ((TYPE*)object_getIndexedIvars(self))[i] = value;}\

            @end

// Declares IntArray class

DeclareValueArrayOf(Int,int)

DeclareValueArrayOf(Double,double)