//

 //  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)