zxing/iphone/Classes/URLTOResultParser.m

55 lines
1.8 KiB
Objective-C

//
// URLTOResultParser.m
// ZXing
//
// Created by Christian Brunschen on 25/06/2008.
/*
* Copyright 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import "URLTOResultParser.h"
#import "URIParsedResult.h"
#define PREFIX @"URLTO:"
@implementation URLTOResultParser
+ (void)load {
[ResultParser registerResultParserClass:self];
}
+ (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