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//
// SDLControlFramePayloadNak.m
// SmartDeviceLink-iOS
//
// Created by Joel Fischer on 7/20/17.
// Copyright © 2017 smartdevicelink. All rights reserved.
//
#import "SDLControlFramePayloadNak.h"
#import "bson_object.h"
#import "SDLControlFramePayloadConstants.h"
NS_ASSUME_NONNULL_BEGIN
@interface SDLControlFramePayloadNak ()
@property (copy, nonatomic, readwrite, nullable) NSArray<NSString *> *rejectedParams;
@end
@implementation SDLControlFramePayloadNak
- (instancetype)initWithRejectedParams:(nullable NSArray<NSString *> *)rejectedParams {
self = [super init];
if (!self) return nil;
_rejectedParams = rejectedParams;
return self;
}
- (instancetype)initWithData:(nullable NSData *)data {
self = [super init];
if (!self) return nil;
if (data != nil) {
[self sdl_parse:data];
}
return self;
}
- (nullable NSData *)data {
if (self.rejectedParams == nil) {
return nil;
}
BsonObject payloadObject;
bson_object_initialize_default(&payloadObject);
if (self.rejectedParams != nil) {
BsonArray arrayObject;
bson_array_initialize(&arrayObject, 512);
for (NSString *param in self.rejectedParams) {
bson_array_add_string(&arrayObject, (char *)param.UTF8String);
}
bson_object_put_array(&payloadObject, SDLControlFrameRejectedParams, &arrayObject);
}
BytePtr bsonData = bson_object_to_bytes(&payloadObject);
NSUInteger length = bson_object_size(&payloadObject);
bson_object_deinitialize(&payloadObject);
return [[NSData alloc] initWithBytes:bsonData length:length];
}
- (void)sdl_parse:(NSData *)data {
BsonObject payloadObject = bson_object_from_bytes((BytePtr)data.bytes);
BsonArray *arrayObject = bson_object_get_array(&payloadObject, SDLControlFrameRejectedParams);
if (arrayObject == NULL) {
return;
}
NSMutableArray<NSString *> *rejectedParams = [NSMutableArray array];
char *paramString;
size_t index = 0;
paramString = bson_array_get_string(arrayObject, index);
while (paramString != NULL) {
[rejectedParams addObject:[NSString stringWithUTF8String:paramString]];
index++;
paramString = bson_array_get_string(arrayObject, index);
}
self.rejectedParams = [rejectedParams copy];
bson_object_deinitialize(&payloadObject);
}
- (NSString *)description {
return [NSString stringWithFormat:@"<%@>: Rejected params: %@", NSStringFromClass(self.class), self.rejectedParams];
}
@end
NS_ASSUME_NONNULL_END
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