zxing/iphone/Classes/URLTOResultParser.m

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//
// URLTOResultParser.m
// ZXing
//
// Created by Christian Brunschen on 25/06/2008.
// Copyright 2008 Google Inc. All rights reserved.
//
#import "URLTOResultParser.h"
#import "URIParsedResult.h"
#define PREFIX @"URLTO:"
@implementation URLTOResultParser
+ (ParsedResult *)parsedResultForString:(NSString *)s {
NSRange prefixRange = [s rangeOfString:PREFIX options:NSCaseInsensitiveSearch];
if (prefixRange.location == 0) {
int max = [s length];
int titleStart = prefixRange.location + prefixRange.length;
NSRange searchRange = NSMakeRange(titleStart, max - titleStart);
NSRange colonRange = [s rangeOfString:@":" options:0 range:searchRange];
if (colonRange.location != NSNotFound) {
NSRange titleRange = NSMakeRange(titleStart,
colonRange.location - titleStart);
int linkStart = colonRange.location + colonRange.length;
NSRange linkRange = NSMakeRange(linkStart, max - linkStart);
return [[[URIParsedResult alloc] initWithURLString:[s substringWithRange:linkRange]
title:[s substringWithRange:titleRange]]
autorelease];
}
}
return nil;
}
@end