5 // Created by Christian Brunschen on 25/06/2008.
7 * Copyright 2008 ZXing authors
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
22 #import "SMSResultParser.h"
23 #import "SMSParsedResult.h"
25 #define PREFIX @"sms:"
27 @implementation SMSResultParser
30 [ResultParser registerResultParserClass:self];
33 + (ParsedResult *)parsedResultForString:(NSString *)s {
34 NSRange prefixRange = [s rangeOfString:PREFIX options:NSCaseInsensitiveSearch];
35 if (prefixRange.location == 0) {
37 int restStart = prefixRange.location + prefixRange.length;
39 // initial presuption: everything after the prefix is the number, and there is no body
40 NSRange numberRange = NSMakeRange(restStart, max - restStart);
41 NSRange bodyRange = NSMakeRange(NSNotFound, 0);
43 // is there a query string?
44 NSRange queryRange = [s rangeOfString:@"?" options:0 range:numberRange];
45 if (queryRange.location != NSNotFound) {
46 // truncate the number range at the beginning of the query string
47 numberRange.length = queryRange.location - numberRange.location;
49 int paramsStart = queryRange.location + queryRange.length;
50 NSRange paramsRange = NSMakeRange(paramsStart, max - paramsStart);
51 NSRange bodyPrefixRange = [s rangeOfString:@"body=" options:0 range:paramsRange];
52 if (bodyPrefixRange.location != NSNotFound) {
53 int bodyStart = bodyPrefixRange.location + bodyPrefixRange.length;
54 bodyRange = NSMakeRange(bodyStart, max - bodyStart);
55 NSRange ampRange = [s rangeOfString:@"&" options:0 range:bodyRange];
56 if (ampRange.location != NSNotFound) {
57 // we found a '&', so we truncate the body range there
58 bodyRange.length = ampRange.location - bodyRange.location;
63 // if there's a semicolon in the number, truncate the number there
64 NSRange semicolonRange = [s rangeOfString:@";" options:0 range:numberRange];
65 if (semicolonRange.location != NSNotFound) {
66 numberRange.length = semicolonRange.location - numberRange.location;
69 NSString *number = [s substringWithRange:numberRange];
70 NSString *body = bodyRange.location != NSNotFound ? [s substringWithRange:bodyRange] : nil;
71 return [[[SMSParsedResult alloc] initWithNumber:number body:body]