keychain/tpctl/tpctl-objc.m

   1
   2 #import "tpctl-objc.h"
   3
   4 @implementation TPCTLObjectiveC
   5
   6 + (BOOL)catchNSException:(void(^)(void))block error:(NSError**)error {
   7     @try {
   8         block();
   9         return true;
  10     }
  11     @catch(NSException* exception) {
  12         if(error) {
  13             NSMutableDictionary* ui = exception.userInfo ? [exception.userInfo mutableCopy] : [NSMutableDictionary dictionary];
  14             if(exception.reason) {
  15                 ui[NSLocalizedDescriptionKey] = exception.reason;
  16             }
  17             *error = [NSError errorWithDomain:exception.name code:0 userInfo:ui];
  18         }
  19         return false;
  20     }
  21 }
  22
  23 + (NSString* _Nullable)jsonSerialize:(id)something error:(NSError**)error {
  24     @try {
  25         NSError* localError = nil;
  26         NSData* jsonData = [NSJSONSerialization dataWithJSONObject:something options:(NSJSONWritingPrettyPrinted | NSJSONWritingSortedKeys) error:&localError];
  27         if(!jsonData || localError) {
  28             if(error) {
  29                 *error = localError;
  30             }
  31             return nil;
  32         }
  33
  34         NSString* utf8String = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
  35         if(!utf8String) {
  36             if(error) {
  37                 *error = [NSError errorWithDomain:@"text" code:0 userInfo:@{NSLocalizedDescriptionKey: @"JSON data could not be decoded as UTF8"}];
  38             }
  39             return nil;
  40         }
  41         return utf8String;
  42     }
  43     @catch(NSException* exception) {
  44         if(error) {
  45             NSMutableDictionary* ui = exception.userInfo ? [exception.userInfo mutableCopy] : [NSMutableDictionary dictionary];
  46             if(exception.reason) {
  47                 ui[NSLocalizedDescriptionKey] = exception.reason;
  48             }
  49             *error = [NSError errorWithDomain:exception.name code:0 userInfo:ui];
  50         }
  51         return nil;
  52     }
  53 }
  54
  55 @end