ifish/Ifish/YunXinIM/M80AttributedLabel/M80AttributedLabelURL.m

68 lines
2.6 KiB
Objective-C
Executable File

//
// M80AttributedLabelURL.m
// M80AttributedLabel
//
// Created by amao on 13-8-31.
// Copyright (c) 2013年 www.xiangwangfeng.com. All rights reserved.
//
#import "M80AttributedLabelURL.h"
static NSString *urlExpression = @"((([A-Za-z]{3,9}:(?:\\/\\/)?)(?:[\\-;:&=\\+\\$,\\w]+@)?[A-Za-z0-9\\.\\-]+|(?:www\\.|[\\-;:&=\\+\\$,\\w]+@)[A-Za-z0-9\\.\\-]+)((:[0-9]+)?)((?:\\/[\\+~%\\/\\.\\w\\-]*)?\\??(?:[\\-\\+=&;%@\\.\\w]*)#?(?:[\\.\\!\\/\\\\\\w]*))?)";
static M80CustomDetectLinkBlock customDetectBlock = nil;
@implementation M80AttributedLabelURL
+ (M80AttributedLabelURL *)urlWithLinkData:(id)linkData
range:(NSRange)range
color:(UIColor *)color
{
M80AttributedLabelURL *url = [[M80AttributedLabelURL alloc]init];
url.linkData = linkData;
url.range = range;
url.color = color;
return url;
}
+ (NSArray *)detectLinks:(NSString *)plainText
{
//提供一个自定义的解析接口给
if (customDetectBlock)
{
return customDetectBlock(plainText);
}
else
{
NSMutableArray *links = nil;
if ([plainText length])
{
links = [NSMutableArray array];
NSRegularExpression *urlRegex = [NSRegularExpression regularExpressionWithPattern:urlExpression
options:NSRegularExpressionCaseInsensitive
error:nil];
[urlRegex enumerateMatchesInString:plainText
options:0
range:NSMakeRange(0, [plainText length])
usingBlock:^(NSTextCheckingResult *result, NSMatchingFlags flags, BOOL *stop) {
NSRange range = result.range;
NSString *text = [plainText substringWithRange:range];
M80AttributedLabelURL *link = [M80AttributedLabelURL urlWithLinkData:text
range:range
color:nil];
[links addObject:link];
}];
}
return links;
}
}
+ (void)setCustomDetectMethod:(M80CustomDetectLinkBlock)block
{
customDetectBlock = [block copy];
}
@end