選択できるのは25トピックまでです。 トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。

ZXParsedResult.m 1.7KB

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  1. /*
  2. * Copyright 2012 ZXing authors
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License");
  5. * you may not use this file except in compliance with the License.
  6. * You may obtain a copy of the License at
  7. *
  8. * http://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS,
  12. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. * See the License for the specific language governing permissions and
  14. * limitations under the License.
  15. */
  16. #import "ZXParsedResult.h"
  17. @implementation ZXParsedResult
  18. - (id)initWithType:(ZXParsedResultType)type {
  19. if (self = [super init]) {
  20. _type = type;
  21. }
  22. return self;
  23. }
  24. + (id)parsedResultWithType:(ZXParsedResultType)type {
  25. return [[ZXParsedResult alloc] initWithType:type];
  26. }
  27. - (NSString *)displayResult {
  28. @throw [NSException exceptionWithName:NSInternalInconsistencyException
  29. reason:[NSString stringWithFormat:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)]
  30. userInfo:nil];
  31. }
  32. - (NSString *)description {
  33. return [self displayResult];
  34. }
  35. + (void)maybeAppend:(NSString *)value result:(NSMutableString *)result {
  36. if (value != nil && (id)value != [NSNull null] && [value length] > 0) {
  37. // Don't add a newline before the first value
  38. if ([result length] > 0) {
  39. [result appendString:@"\n"];
  40. }
  41. [result appendString:value];
  42. }
  43. }
  44. + (void)maybeAppendArray:(NSArray *)values result:(NSMutableString *)result {
  45. if (values != nil) {
  46. for (NSString *value in values) {
  47. [self maybeAppend:value result:result];
  48. }
  49. }
  50. }
  51. @end