TextViewのリンクのところだけ反応させてあとはスルーする

UITextViewSubclass.m

// implementation of UITextView subclass
// editableプロパティをNO, selectableプロパティをYESにする

// リンクのところ以外のタッチを透過する
- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event {
	CGPoint p = point;
	p.y -= self.textContainerInset.top;
	p.x -= self.textContainerInset.left;
    
	NSInteger i = [self.layoutManager characterIndexForPoint:p inTextContainer:self.textContainer fractionOfDistanceBetweenInsertionPoints:NULL];
	NSRange effectiveRange;
	NSDictionary *attr = [self.textStorage attributesAtIndex:i effectiveRange:&effectiveRange];
	if (attr[NSLinkAttributeName]) {
		__block BOOL touchingLink = NO;
		NSInteger    glyphIndex = [self.layoutManager glyphIndexForCharacterAtIndex:i];
		[self.layoutManager enumerateLineFragmentsForGlyphRange:NSMakeRange(glyphIndex, 1) usingBlock: ^(CGRect rect, CGRect usedRect, NSTextContainer *textContainer, NSRange glyphRange, BOOL *stop) {
		    if (CGRectContainsPoint(usedRect, p)) {
		        touchingLink = YES;
		        *stop = YES;
			}
		}];
		return (touchingLink) ? self : nil;
	}
	return nil;
}

// 選択領域がでないようにする
- (NSArray *)selectionRectsForRange:(UITextRange *)range {
	return nil;
}