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 | Pack canny_tudor -- prolog/canny/url.pl |
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- url_encoded(?Code)// is nondet
- Similar to uri_encoded/3 but simpler.
URL encodes a Code. Uses the C-symbol code type (including letters, digits and underscores) conservatively to determine whether or not to encode to percentage-prefixed hexadecimal. Liberally decodes by accepting any code except the percentage code. Percents must decode with a pair of hexadecimal digits; decoding otherwise fails.
- url_coded(?Decoded, ?Encoded) is semidet
- Encodes or decodes a sequence of codes. Uses url_encoded//1 to
perform the encoding or decoding. Succeeds once.
Examples:
?-
url_coded(`Hello_World!`, Encoded). Encoded = Hello_World%21. ?-url_coded(Decoded, `Hello_World%21`). Decoded = `Hello_World!`.