/*
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* Copyright 2014 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "ZXIntArray.h"
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@implementation ZXIntArray
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- (id)initWithLength:(unsigned int)length {
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if (self = [super init]) {
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if (length > 0) {
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_array = (int32_t *)calloc(length, sizeof(int32_t));
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} else {
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_array = NULL;
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}
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_length = length;
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}
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return self;
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}
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- (id)initWithInts:(int32_t)int1, ... {
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va_list args;
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va_start(args, int1);
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unsigned int length = 0;
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for (int32_t i = int1; i != -1; i = va_arg(args, int)) {
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length++;
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}
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va_end(args);
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if ((self = [self initWithLength:length]) && (length > 0)) {
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va_list args;
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va_start(args, int1);
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int i = 0;
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for (int32_t c = int1; c != -1; c = va_arg(args, int)) {
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_array[i++] = c;
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}
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va_end(args);
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}
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return self;
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}
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- (id)copyWithZone:(NSZone *)zone {
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ZXIntArray *copy = [[ZXIntArray allocWithZone:zone] initWithLength:self.length];
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memcpy(copy.array, self.array, self.length * sizeof(int32_t));
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return copy;
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}
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- (void)dealloc {
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if (_array) {
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free(_array);
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}
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}
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- (void)clear {
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memset(self.array, 0, self.length * sizeof(int32_t));
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}
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- (int)sum {
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int sum = 0;
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int32_t *array = self.array;
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for (int i = 0; i < self.length; i++) {
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sum += array[i];
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}
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return sum;
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}
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- (NSString *)description {
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NSMutableString *s = [NSMutableString stringWithFormat:@"length=%u, array=(", self.length];
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for (int i = 0; i < self.length; i++) {
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[s appendFormat:@"%d", self.array[i]];
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if (i < self.length - 1) {
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[s appendString:@", "];
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}
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}
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[s appendString:@")"];
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return s;
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}
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@end
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