//
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// NSArray+YYAdd.m
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// YYCategories <https://github.com/ibireme/YYCategories>
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//
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// Created by ibireme on 13/4/4.
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// Copyright (c) 2015 ibireme.
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//
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// This source code is licensed under the MIT-style license found in the
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// LICENSE file in the root directory of this source tree.
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//
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#import "NSArray+YYAdd.h"
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#import "YYCategoriesMacro.h"
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#import "NSData+YYAdd.h"
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YYSYNTH_DUMMY_CLASS(NSArray_YYAdd)
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@implementation NSArray (YYAdd)
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+ (NSArray *)arrayWithPlistData:(NSData *)plist {
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if (!plist) return nil;
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NSArray *array = [NSPropertyListSerialization propertyListWithData:plist options:NSPropertyListImmutable format:NULL error:NULL];
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if ([array isKindOfClass:[NSArray class]]) return array;
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return nil;
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}
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+ (NSArray *)arrayWithPlistString:(NSString *)plist {
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if (!plist) return nil;
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NSData* data = [plist dataUsingEncoding:NSUTF8StringEncoding];
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return [self arrayWithPlistData:data];
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}
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- (NSData *)plistData {
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return [NSPropertyListSerialization dataWithPropertyList:self format:NSPropertyListBinaryFormat_v1_0 options:kNilOptions error:NULL];
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}
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- (NSString *)plistString {
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NSData *xmlData = [NSPropertyListSerialization dataWithPropertyList:self format:NSPropertyListXMLFormat_v1_0 options:kNilOptions error:NULL];
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if (xmlData) return xmlData.utf8String;
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return nil;
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}
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- (id)randomObject {
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if (self.count) {
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return self[arc4random_uniform((u_int32_t)self.count)];
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}
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return nil;
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}
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- (id)objectOrNilAtIndex:(NSUInteger)index {
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return index < self.count ? self[index] : nil;
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}
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- (NSString *)jsonStringEncoded {
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if ([NSJSONSerialization isValidJSONObject:self]) {
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NSError *error;
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NSData *jsonData = [NSJSONSerialization dataWithJSONObject:self options:0 error:&error];
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NSString *json = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
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return json;
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}
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return nil;
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}
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- (NSString *)jsonPrettyStringEncoded {
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if ([NSJSONSerialization isValidJSONObject:self]) {
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NSError *error;
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NSData *jsonData = [NSJSONSerialization dataWithJSONObject:self options:NSJSONWritingPrettyPrinted error:&error];
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NSString *json = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
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return json;
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}
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return nil;
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}
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@end
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@implementation NSMutableArray (YYAdd)
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+ (NSMutableArray *)arrayWithPlistData:(NSData *)plist {
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if (!plist) return nil;
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NSMutableArray *array = [NSPropertyListSerialization propertyListWithData:plist options:NSPropertyListMutableContainersAndLeaves format:NULL error:NULL];
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if ([array isKindOfClass:[NSMutableArray class]]) return array;
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return nil;
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}
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+ (NSMutableArray *)arrayWithPlistString:(NSString *)plist {
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if (!plist) return nil;
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NSData* data = [plist dataUsingEncoding:NSUTF8StringEncoding];
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return [self arrayWithPlistData:data];
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}
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- (void)removeFirstObject {
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if (self.count) {
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[self removeObjectAtIndex:0];
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}
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}
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wobjc-protocol-method-implementation"
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- (void)removeLastObject {
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if (self.count) {
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[self removeObjectAtIndex:self.count - 1];
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}
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}
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#pragma clang diagnostic pop
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- (id)popFirstObject {
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id obj = nil;
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if (self.count) {
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obj = self.firstObject;
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[self removeFirstObject];
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}
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return obj;
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}
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- (id)popLastObject {
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id obj = nil;
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if (self.count) {
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obj = self.lastObject;
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[self removeLastObject];
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}
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return obj;
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}
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- (void)appendObject:(id)anObject {
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[self addObject:anObject];
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}
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- (void)prependObject:(id)anObject {
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[self insertObject:anObject atIndex:0];
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}
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- (void)appendObjects:(NSArray *)objects {
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if (!objects) return;
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[self addObjectsFromArray:objects];
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}
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- (void)prependObjects:(NSArray *)objects {
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if (!objects) return;
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NSUInteger i = 0;
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for (id obj in objects) {
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[self insertObject:obj atIndex:i++];
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}
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}
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- (void)insertObjects:(NSArray *)objects atIndex:(NSUInteger)index {
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NSUInteger i = index;
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for (id obj in objects) {
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[self insertObject:obj atIndex:i++];
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}
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}
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- (void)reverse {
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NSUInteger count = self.count;
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int mid = floor(count / 2.0);
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for (NSUInteger i = 0; i < mid; i++) {
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[self exchangeObjectAtIndex:i withObjectAtIndex:(count - (i + 1))];
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}
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}
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- (void)shuffle {
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for (NSUInteger i = self.count; i > 1; i--) {
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[self exchangeObjectAtIndex:(i - 1)
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withObjectAtIndex:arc4random_uniform((u_int32_t)i)];
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}
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}
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@end
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