diff options
Diffstat (limited to 'ip/ip.pl')
| -rw-r--r-- | ip/ip.pl | 65 |
1 files changed, 45 insertions, 20 deletions
@@ -5,23 +5,28 @@ :- use_module(library(charsio)). :- use_module(library(serialization/abnf)). -make_ip4(A, B, C, D, ip4(A, B, C, D, Addr)) :- - Addr #= (A * 2^24 + B * 2^16 + C * 2^8 + D). +big(A, B, C) :- C #= A^B. -ip4(A, B, C, D, Addr) :- - A in 0..255, - B in 0..255, - C in 0..255, - D in 0..255, - Addr #= (A * 2^24 + B * 2^16 + C * 2^8 + D). +make_ip4(A, B, C, D, Addr) :- + A #>= 0, A #=< 255, + B #>= 0, B #=< 255, + C #>= 0, C #=< 255, + D #>= 0, D #=< 255, + Addr #= ((A * 2^24) + (B * 2^16) + (C * 2^8) + D), + ip4(Addr). -ip4_range(ip4(_, _, _, _), Range) :- +ip4(Addr) :- Addr >= 0, Addr < 2^32. + +ip4_range(Addr, Range) :- + ip4(Addr), Range in 0..32. -ip_format(ip4(A, B, C, D, _), Str) :- +ip_format(ip4(Addr), Str) :- + make_ip4(A, B, C, D, Addr), phrase(format_("~w.~w.~w.~w", [A, B, C, D]), Str). -ip_format(ip4_range(ip4(A, B, C, D, _), Range), Str) :- +ip_format(ip4_range(Addr, Range), Str) :- + make_ip4(A, B, C, D, Addr), phrase(format_("~w.~w.~w.~w/~w", [A, B, C, D, Range]), Str). hexd(D) --> abnf_hexdig(D). @@ -48,14 +53,31 @@ ip4_range_syntax(A, B, C, D, R) --> ip4_syntax(A, B, C, D), "/", int_(R), { R >= 0, R =< 32 }. -ip4_parse(Str, Obj) :- +ip4_parse(Str, Ip) :- phrase(ip4_syntax(A, B, C, D), Str), - Obj = ip4(A, B, C, D). + make_ip4(A, B, C, D, Addr), + Ip = ip4(Addr). -ip4_range_parse(Str, Obj) :- +ip4_range_parse(Str, IpR) :- phrase(ip4_range_syntax(A, B, C, D, Range), Str), - make_ip4(A, B, C, D, Ip), - Obj = ip4_range(Ip, Range). + make_ip4(A, B, C, D, Addr), + IpR = ip4_range(Addr, Range). + +make_ip6(A, B, C, D, E, F, G, H, Addr) :- + A #>= 0, A #=< 65335, + B #>= 0, B #=< 65335, + C #>= 0, C #=< 65335, + D #>= 0, D #=< 65335, + E #>= 0, E #=< 65335, + F #>= 0, F #=< 65335, + G #>= 0, G #=< 65335, + H #>= 0, H #=< 65335, + Addr #= + (A * 2^56) + (B * 2^48) + (C * 2^40) + (D * 2^32) + + (E * 2^24) + (F * 2^16) + (G * 2^8) + H, + ip6(Addr). + +ip6(Addr) :- Addr >= 0, Addr < 2^128. ip6_syntax(A, B, C, D, E, F, G, H) --> ip6_num(A), ":", @@ -68,19 +90,22 @@ ip6_syntax(A, B, C, D, E, F, G, H) --> ip6_num(H). ip6_num(D) --> xint_(D), { D >= 0, D =< 65535 }. -ip6_parse(Str, Obj) :- +ip6_parse(Str, Ip) :- phrase(ip6_syntax(A, B, C, D, E, F, G, H), Str), - Obj = ip6(A, B, C, D, E, F, G, H). + make_ip6(A, B, C, D, E, F, G, H, Addr), + Ip = ip6(Addr). ip_parse(Str, Obj) :- ( phrase(ip4_syntax(A, B, C, D), Str) - -> Obj = ip4(A, B, C, D) + -> make_ip4(A, B, C, D, Addr), + Obj = ip4(Addr) ; ( phrase(ip4_range_syntax(A, B, C, D, R), Str) -> make_ip4(A, B, C, D, Ip), Obj = ip4_range(Ip, R) ; phrase(ip6_syntax(A, B, C, D, E, F, G, H), Str), - Obj = ip6(A, B, C, D, E, F, G, H) + make_ip6(A, B, C, D, E, F, G, H, Addr), + Obj = ip6(Addr) ) ). |