static void _network_prepStep_sanitizeHostForScratchURLRequest()

in Source/TNLRequestOperation.m [1571:1608]
34 lines of code
6 McCabe index (conditional complexity)

static void _network_prepStep_sanitizeHostForScratchURLRequest(TNLRequestOperation * __nullable const self, tnl_request_preparation_block_t nextBlock)
{
    if (!self) {
        return;
    }

    TNLAssert(nextBlock != nil);
    TNLAssert([self _network_isPreparing]);

    NSString *host = self->_scratchURLRequest.URL.host;
    self->_hostSanitizer = (self->_requestConfiguration.skipHostSanitization) ? nil : [TNLGlobalConfiguration sharedInstance].hostSanitizer;

    if (self->_hostSanitizer) {
        [self->_hostSanitizer tnl_host:host
           wasEncounteredForURLRequest:[self->_scratchURLRequest copy]
                            asRedirect:NO
                            completion:^(TNLHostSanitizerBehavior behavior, NSString *newHost) {
            tnl_dispatch_async_autoreleasing(tnl_network_queue(), ^{
                TNLAssert([host isEqualToString:self->_scratchURLRequest.URL.host]);
                NSError *error = nil;
                const TNLHostReplacementResult hostReplacementResult = [self->_scratchURLRequest tnl_replaceURLHost:newHost
                                                                                                           behavior:behavior
                                                                                                              error:&error];
                if (TNLHostReplacementResultSuccess == hostReplacementResult) {
                    [self _network_notifySanitizedHost:host toHost:newHost];
                }

                if (error) {
                    [self _network_fail:error];
                } else {
                    nextBlock();
                }
            });
        }];
    } else {
        nextBlock();
    }
}