iska
110 lines
1.9 KiB
Objective-C
110 lines
1.9 KiB
Objective-C
//
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// HTMLDOMTokenList.m
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// HTMLKit
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//
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// Created by Iska on 30/11/15.
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// Copyright © 2015 BrainCookie. All rights reserved.
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//
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#import "HTMLDOMTokenList.h"
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#import "HTMLElement.h"
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@interface HTMLDOMTokenList ()
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{
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HTMLElement *_element;
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NSString *_attribute;
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NSMutableOrderedSet *_tokens;
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}
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@end
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@implementation HTMLDOMTokenList
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@synthesize element = _element;
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@synthesize attribute = _attribute;
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#pragma mark - Init
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- (instancetype)initWithElement:(HTMLElement *)element attribute:(NSString *)attribute value:(NSString *)value
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{
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self = [super init];
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if (self) {
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_element = element;
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_attribute = [attribute copy];
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_tokens = [NSMutableOrderedSet new];
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[self add:[value componentsSeparatedByString:@" "]];
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}
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return self;
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}
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#pragma mark - Access
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- (void)updateValue
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{
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_element[_attribute] = self.stringify;
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}
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- (NSUInteger)length
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{
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return _tokens.count;
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}
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- (BOOL)contains:(NSString *)token
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{
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return [_tokens containsObject:token];
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}
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- (void)add:(NSArray<NSString *> *)tokens
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{
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for (NSString *token in tokens) {
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if (![token isEqualToString:@""]) {
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[_tokens addObject:token];
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}
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}
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[self updateValue];
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}
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- (void)remove:(NSArray<NSString *> *)tokens
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{
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for (NSString *token in tokens) {
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[_tokens removeObject:token];
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}
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[self updateValue];
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}
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- (BOOL)toggle:(NSString *)token
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{
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if ([_tokens containsObject:token]) {
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[_tokens removeObject:token];
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[self updateValue];
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return NO;
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} else {
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[_tokens addObject:token];
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[self updateValue];
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return YES;
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}
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}
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- (void)replaceToken:(NSString *)token withToken:(NSString *)newToken
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{
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NSUInteger index = [_tokens indexOfObject:token];
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_tokens[index] = newToken;
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[self updateValue];
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}
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- (NSString *)objectAtIndexedSubscript:(NSUInteger)index
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{
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return _tokens[index];
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}
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- (void)setObject:(NSString *)obj atIndexedSubscript:(NSUInteger)index
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{
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_tokens[index] = obj;
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[self updateValue];
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}
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- (NSString *)stringify
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{
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return [_tokens.array componentsJoinedByString:@" "];
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}
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@end
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