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  1. #include <iostream>
  2. #include <string.h>
  3.  
  4. int main()
  5. {
  6. 	char httpRequest[] = "iPAddressOctet1=192&iPAddressOctet2=168&iPAddressOctet3=0&iPAddressOctet4=220&"
  7. 						 "subnetMaskOctet1=255&subnetMaskOctet2=255&subnetMaskOctet3=255&subnetMaskOctet4=0&defaultGatewayOctet1=192&"
  8. 						 "defaultGatewayOctet2=168&defaultGatewayOctet3=0&defaultGatewayOctet4=1&hTTPPort=80";
  9.  
  10. 	struct address_t
  11. 	{
  12. 		const char * name;
  13. 		uint8_t octets[4];
  14. 	};
  15.  
  16. 	address_t addresses[] =
  17. 	{
  18. 		{ .name = "iPAddress",      .octets = { 0, 0, 0, 0 } },
  19. 		{ .name = "subnetMask",     .octets = { 0, 0, 0, 0 } },
  20. 		{ .name = "defaultGateway", .octets = { 0, 0, 0, 0 } }
  21. 	};
  22.  
  23. 	uint16_t hTTPPort;
  24.  
  25. 	char * p = strtok( httpRequest, "&" );
  26. 	while ( p != nullptr )
  27. 	{
  28. 		bool found = false;
  29.  
  30. 		for ( size_t i = 0; i < sizeof( addresses ) / sizeof( addresses[0] ); i++ )
  31. 		{
  32. 			address_t * a = &addresses[i];
  33. 			size_t len = strlen( a->name );
  34.  
  35. 			if ( !strncmp( p, a->name, len ) && !strncmp( p + len, "Octet", 5 ) )
  36. 			{
  37. 				char * p2 = p + len + 5;
  38. 				if ( *p2 >= '1' && *p2 <= '4' && *( p2 + 1 ) == '=' )
  39. 				{
  40. 					a->octets[ *p2 - '1' ] = atoi( p2 + 2 );
  41. 					found = true;
  42. 					break;
  43. 				}
  44. 			}
  45. 		}
  46.  
  47. 		if ( !found )
  48. 		{
  49. 			size_t len = strlen( "hTTPPort" );
  50.  
  51. 			if ( !strncmp( p, "hTTPPort", len ) )
  52. 			{
  53. 				char * p2 = p + len;
  54. 				if ( *p2 == '=' )
  55. 				{
  56. 					hTTPPort = atoi( p2 + 1 );
  57. 				}
  58. 			}
  59. 		}
  60.  
  61. 		p = strtok( nullptr, "&" );
  62. 	}
  63.  
  64.  
  65.  
  66. 	for ( size_t i = 0; i < sizeof( addresses ) / sizeof( addresses[0] ); i++ )
  67. 	{
  68. 		address_t * a = &addresses[i];
  69. 		printf( "%s = { %hhu, %hhu, %hhu, %hhu }\n", a->name, a->octets[0], a->octets[1], a->octets[2], a->octets[3] );
  70. 	}
  71.  
  72. 	printf( "hTTPPort = %hu\n", hTTPPort );
  73.  
  74.  
  75. 	return 0;
  76. }
Success #stdin #stdout 0s 4948KB
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stdin
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Standard input is empty
stdout
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iPAddress = { 192, 168, 0, 220 }
subnetMask = { 255, 255, 255, 0 }
defaultGateway = { 192, 168, 0, 1 }
hTTPPort = 80
https://ideone.com/Cg1Bvo
language:
C++ 4.3.2 (gcc-4.3.2)
created:
4 years ago
visibility:
secret

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