iska
102 lines
2.0 KiB
Objective-C
102 lines
2.0 KiB
Objective-C
//
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// HTMLCharacterToken.m
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// HTMLKit
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//
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// Created by Iska on 23/10/14.
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// Copyright (c) 2014 BrainCookie. All rights reserved.
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//
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#import "HTMLCharacterToken.h"
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#import "NSString+HTMLKit.h"
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@interface HTMLCharacterToken ()
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{
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NSMutableString *_characters;
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}
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@end
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@implementation HTMLCharacterToken
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- (instancetype)initWithString:(NSString *)string
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{
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self = [super init];
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if (self) {
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_characters = [string mutableCopy];
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}
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return self;
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}
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- (void)appendString:(NSString *)string
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{
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if (_characters == nil) {
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_characters = [NSMutableString new];
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}
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[_characters appendString:string];
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}
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- (BOOL)isWhitespaceToken
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{
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return [_characters htmlkit_isHTMLWhitespaceString];
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}
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- (BOOL)isEmpty
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{
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return _characters.length == 0;
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}
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- (void)retainLeadingWhitespace
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{
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NSUInteger index = _characters.htmlkit_leadingHTMLWhitespaceLength;
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if (index > 0) {
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[_characters setString:[_characters substringToIndex:index]];
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}
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}
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- (void)trimLeadingWhitespace
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{
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NSUInteger index = _characters.htmlkit_leadingHTMLWhitespaceLength;
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if (index > 0) {
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[_characters setString:[_characters substringFromIndex:index]];
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}
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}
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- (void)trimFormIndex:(NSUInteger)index
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{
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[_characters setString:[_characters substringFromIndex:index]];
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}
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- (HTMLCharacterToken *)tokenBySplitingLeadingWhiteSpace
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{
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NSUInteger index = _characters.htmlkit_leadingHTMLWhitespaceLength;
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if (index > 0) {
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NSString *leading = [_characters substringToIndex:index];
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[_characters setString:[_characters substringFromIndex:index]];
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return [[HTMLCharacterToken alloc] initWithString:leading];
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}
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return nil;
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}
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#pragma mark - NSObject
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- (BOOL)isEqual:(id)other
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{
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if ([other isKindOfClass:[self class]]) {
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HTMLCharacterToken *token = (HTMLCharacterToken *)other;
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return bothNilOrEqual(self.characters, token.characters);
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}
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return NO;
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}
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- (NSUInteger)hash
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{
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return self.characters.hash;
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}
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- (NSString *)description
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{
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return [NSString stringWithFormat:@"<%@: %p Characters='%@'>", self.class, self, _characters];
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}
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@end
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