#import "ElementDLNG.h" #define SIZE_ON_DISK (4) @implementation ElementDLNG - (id)copyWithZone:(NSZone *)zone { ElementDLNG *element = [super copyWithZone:zone]; [element setValue:value]; return element; } - (void)readDataFrom:(TemplateStream *)stream { SInt32 tmp; [stream readAmount:SIZE_ON_DISK toBuffer:&tmp]; value = CFSwapInt32BigToHost(tmp); } - (unsigned int)sizeOnDisk { return SIZE_ON_DISK; } - (void)writeDataTo:(TemplateStream *)stream { SInt32 tmp = CFSwapInt32HostToBig(value); [stream writeAmount:SIZE_ON_DISK fromBuffer:&tmp]; } - (void)setValue:(SInt32)v { value = v; } - (SInt32)value { return value; } - (NSString *)stringValue { return [NSString stringWithFormat:@"%ld", value]; } - (void)setStringValue:(NSString *)str { char cstr[256]; char *endPtr = cstr + 255; strncpy(cstr, [str cString], 255); value = strtol(cstr, &endPtr, 10); } @end @implementation ElementKLNG @end