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//
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// ValueArray.m
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// MYUtilities
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//
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// Copyright 2008 Jens Alfke. All rights reserved.
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//
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#import "ValueArray.h"
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@implementation ValueArray
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- (id) initWithCount: (unsigned)count valueSize: (size_t)valueSize
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{
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self = [super init];
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if( self ) {
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_count = count;
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_valueSize = valueSize;
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}
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return self;
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}
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+ (ValueArray*) valueArrayWithCount: (unsigned)count valueSize: (size_t)valueSize
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{
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return [[(ValueArray*)NSAllocateObject(self,count*valueSize,nil)
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initWithCount: count valueSize: valueSize]
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autorelease];
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}
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- (unsigned) count {return _count;}
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- (size_t) valueSize {return _valueSize;}
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- (const void*) valueAtIndex: (unsigned)i
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{
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NSParameterAssert(i<_count);
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return (const char*)object_getIndexedIvars(self) + i*_valueSize;
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}
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- (void) getValue: (void*)value atIndex: (unsigned)i
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{
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NSParameterAssert(i<_count);
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NSParameterAssert(value!=NULL);
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memcpy(value, object_getIndexedIvars(self) + i*_valueSize, _valueSize);
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}
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- (void) setValue: (const void*)value atIndex: (unsigned)i
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{
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NSParameterAssert(i<_count);
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NSParameterAssert(value!=NULL);
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memcpy(object_getIndexedIvars(self) + i*_valueSize, value, _valueSize);
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}
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- (id)initWithCoder:(NSCoder *)decoder
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{
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NSParameterAssert([decoder allowsKeyedCoding]);
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NSKeyedUnarchiver *arch = (NSKeyedUnarchiver*)decoder;
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unsigned count = [arch decodeIntForKey: @"count"];
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size_t valueSize = [arch decodeIntForKey: @"valueSize"];
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[super release];
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self = [[[self class] valueArrayWithCount: count valueSize: valueSize] retain];
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if( self ) {
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unsigned nBytes;
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const void *bytes = [arch decodeBytesForKey: @"values" returnedLength: &nBytes];
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NSAssert(nBytes==count*valueSize,@"Value size mismatch");
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memcpy( object_getIndexedIvars(self), bytes, nBytes );
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}
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return self;
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}
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- (void)encodeWithCoder:(NSCoder *)coder
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{
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NSParameterAssert([coder allowsKeyedCoding]);
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NSKeyedArchiver *arch = (NSKeyedArchiver*)coder;
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[arch encodeInt: _count forKey: @"count"];
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[arch encodeInt: _valueSize forKey: @"valueSize"];
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[arch encodeBytes: object_getIndexedIvars(self)
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length: _count*_valueSize
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forKey: @"values"];
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}
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@end
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ImplementValueArrayOf(Int,int)
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ImplementValueArrayOf(Double,double)
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/*
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Copyright (c) 2008, Jens Alfke <jens@mooseyard.com>. All rights reserved.
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Redistribution and use in source and binary forms, with or without modification, are permitted
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provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this list of conditions
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and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this list of conditions
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and the following disclaimer in the documentation and/or other materials provided with the
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distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRI-
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BUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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