jens@0: //
jens@0: //  ValueArray.h
jens@0: //  MYUtilities
jens@0: //
jens@0: //  Copyright 2008 Jens Alfke. All rights reserved.
jens@0: //
jens@0: 
jens@0: #import <Cocoa/Cocoa.h>
jens@0: 
jens@0: 
jens@0: @interface ValueArray : NSObject <NSCoding>
jens@0: {
jens@0:     unsigned _count;
jens@0:     size_t _valueSize;
jens@0: }
jens@0: 
jens@0: + (ValueArray*) valueArrayWithCount: (unsigned)count valueSize: (size_t)valueSize;
jens@0: 
jens@0: - (unsigned) count;
jens@0: - (size_t) valueSize;
jens@0: - (const void*) valueAtIndex: (unsigned)i;
jens@0: - (void) getValue: (void*)value atIndex: (unsigned)i;
jens@0: - (void) setValue: (const void*)value atIndex: (unsigned)i;
jens@0: 
jens@0: @end
jens@0: 
jens@0: 
jens@0: #define DeclareValueArrayOf(CAPTYPE,TYPE) \
jens@0:             @interface CAPTYPE##Array : ValueArray \
jens@0:             + (CAPTYPE##Array*) TYPE##ArrayWithCount: (unsigned)count; \
jens@0:             - (TYPE) TYPE##AtIndex: (unsigned)index; \
jens@0:             - (void) set##CAPTYPE: (TYPE)value atIndex: (unsigned)index; \
jens@0:             @end
jens@0: 
jens@0: #define ImplementValueArrayOf(CAPTYPE,TYPE) \
jens@0:             @implementation CAPTYPE##Array \
jens@0:             + (CAPTYPE##Array*) TYPE##Array##WithCount: (unsigned)count \
jens@0:                 {return (id)[super valueArrayWithCount: count valueSize: sizeof(TYPE)];} \
jens@0:             - (TYPE) TYPE##AtIndex: (unsigned)i; \
jens@0:                 {NSParameterAssert(i<_count); return ((const TYPE*)object_getIndexedIvars(self))[i];}\
jens@0:             - (void) set##CAPTYPE: (TYPE)value atIndex: (unsigned)i \
jens@0:                 {NSParameterAssert(i<_count); ((TYPE*)object_getIndexedIvars(self))[i] = value;}\
jens@0:             @end
jens@0: 
jens@0: 
jens@0: // Declares IntArray class
jens@0: DeclareValueArrayOf(Int,int)
jens@0: 
jens@0: DeclareValueArrayOf(Double,double)