Objective-C

Append New Item to JSON Array

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Demonstrates the notations that can be used in a JSON array index to append to the end of an array. Objective-C

#import <CkoJsonObject.h>

// Starting in Chilkat v9.5.0.77, the following notations are possible to specify that the value
// should be appended to the end of the array. (In other words, if the array currenty has N elements, then "-1", "", or "*" 
// indicate an index of N+1.

CkoJsonObject *json = [[CkoJsonObject alloc] init];

[json UpdateInt: @"lanes[-1]" value: [NSNumber numberWithInt: 0]];
[json UpdateInt: @"lanes[]" value: [NSNumber numberWithInt: 1]];
[json UpdateInt: @"lanes[*]" value: [NSNumber numberWithInt: 2]];
[json UpdateInt: @"lanes[-1]" value: [NSNumber numberWithInt: 3]];

NSLog(@"%@",[json Emit]);

// Output is:  {"lanes":[0,1,2,3]}