Initial commit

2017-08-15 16:59:01 +08:00
commit bdc83e07ef
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+//
+//  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