iska
44 lines
964 B
Objective-C
44 lines
964 B
Objective-C
//
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// NSCharacterSet+HTMLKit.m
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// HTMLKit
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//
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// Created by Iska on 14/05/15.
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// Copyright (c) 2015 BrainCookie. All rights reserved.
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//
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#import "NSCharacterSet+HTMLKit.h"
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@implementation NSCharacterSet (HTMLKit)
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+ (instancetype)HTMLWhitespaceCharacterSet
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{
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static NSCharacterSet *set = nil;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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set = [NSCharacterSet characterSetWithCharactersInString:@" \t\n\r\f"];
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});
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return set;
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}
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+ (instancetype)HTMLHexNumberCharacterSet
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{
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static NSCharacterSet *set = nil;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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set = [NSCharacterSet characterSetWithCharactersInString:@"0123456789ABCDEFabcdef"];
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});
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return set;
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}
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+ (instancetype)CSSNthExpressionCharacterSet
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{
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static NSCharacterSet *set = nil;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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set = [NSCharacterSet characterSetWithCharactersInString:@" 0123456789nN-+"];
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});
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return set;
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}
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@end
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