in Source/TNLHTTP.m [134:154]
TNLHTTPMethod TNLHTTPMethodFromString(NSString *methodString)
{
#define METHOD_CASE(m) \
if (methodString && [methodString caseInsensitiveCompare:@"" #m ] == NSOrderedSame) { /* TWITTER_STYLE_CASE_INSENSITIVE_COMPARE_NIL_PRECHECKED */ \
return TNLHTTPMethod##m ; \
} else
#define METHOD_CASE_UNKNOWN \
{ return TNLHTTPMethodUnknown; }
METHOD_CASE(OPTIONS)
METHOD_CASE(GET)
METHOD_CASE(HEAD)
METHOD_CASE(POST)
METHOD_CASE(PUT)
METHOD_CASE(DELETE)
METHOD_CASE(TRACE)
METHOD_CASE(CONNECT)
METHOD_CASE_UNKNOWN
#undef METHOD_CASE
}