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 "ResultParser.h"
24 @implementation ResultParser
26 static NSMutableSet *sResultParsers = nil;
28 + (void)registerResultParserClass:(Class)resultParser {
29 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
31 if (!sResultParsers) {
32 sResultParsers = [[NSMutableSet alloc] init];
34 [sResultParsers addObject:resultParser];
39 + (NSSet *)resultParsers {
40 NSSet *resultParsers = nil;
42 resultParsers = [[sResultParsers copy] autorelease];
47 + (ParsedResult *)parsedResultForString:(NSString *)s {
49 NSLog(@"parsing result:\n<<<\n%@\n>>>\n", s);
52 // Make the parser of last resort the last parser we try.
53 NSMutableArray *resultParsers =
54 [NSMutableArray arrayWithArray:[[self resultParsers] allObjects]];
55 NSUInteger textIndex =
56 [resultParsers indexOfObject:NSClassFromString(@"TextResultParser")];
57 if (NSNotFound != textIndex) {
58 // If it is present, make sure it is last.
59 [resultParsers exchangeObjectAtIndex:textIndex
60 withObjectAtIndex:[resultParsers count] - 1];
63 for (Class c in resultParsers) {
65 NSLog(@"trying %@", NSStringFromClass(c));
67 ParsedResult *result = [c parsedResultForString:s];
70 NSLog(@"parsed as %@ %@", NSStringFromClass([result class]), result);