71 lines
2.5 KiB
Plaintext
71 lines
2.5 KiB
Plaintext
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URI-reference = [ absoluteURI | relativeURI ] [ "#" fragment ]
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absoluteURI = scheme ":" ( hier_part | opaque_part )
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relativeURI = ( net_path | abs_path | rel_path ) [ "?" query ]
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hier_part = ( net_path | abs_path ) [ "?" query ]
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opaque_part = uric_no_slash *uric
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uric_no_slash = unreserved | escaped | ";" | "?" | ":" | "@" |
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"&" | "=" | "+" | "$" | ","
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net_path = "//" authority [ abs_path ]
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abs_path = "/" path_segments
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rel_path = rel_segment [ abs_path ]
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rel_segment = 1*( unreserved | escaped |
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";" | "@" | "&" | "=" | "+" | "$" | "," )
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scheme = alpha *( alpha | digit | "+" | "-" | "." )
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authority = server | reg_name
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reg_name = 1*( unreserved | escaped | "$" | "," |
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";" | ":" | "@" | "&" | "=" | "+" )
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server = [ [ userinfo "@" ] hostport ]
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userinfo = *( unreserved | escaped |
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";" | ":" | "&" | "=" | "+" | "$" | "," )
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hostport = host [ ":" port ]
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host = hostname | IPv4address
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hostname = *( domainlabel "." ) toplabel [ "." ]
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domainlabel = alphanum | alphanum *( alphanum | "-" ) alphanum
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toplabel = alpha | alpha *( alphanum | "-" ) alphanum
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IPv4address = 1*digit "." 1*digit "." 1*digit "." 1*digit
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port = *digit
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path = [ abs_path | opaque_part ]
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path_segments = segment *( "/" segment )
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segment = *pchar *( ";" param )
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param = *pchar
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pchar = unreserved | escaped |
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":" | "@" | "&" | "=" | "+" | "$" | ","
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query = *uric
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fragment = *uric
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uric = reserved | unreserved | escaped
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reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" |
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"$" | ","
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unreserved = alphanum | mark
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mark = "-" | "_" | "." | "!" | "~" | "*" | "'" |
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"(" | ")"
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escaped = "%" hex hex
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hex = digit | "A" | "B" | "C" | "D" | "E" | "F" |
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"a" | "b" | "c" | "d" | "e" | "f"
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alphanum = alpha | digit
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alpha = lowalpha | upalpha
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lowalpha = "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | "i" |
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"j" | "k" | "l" | "m" | "n" | "o" | "p" | "q" | "r" |
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"s" | "t" | "u" | "v" | "w" | "x" | "y" | "z"
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upalpha = "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" |
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"J" | "K" | "L" | "M" | "N" | "O" | "P" | "Q" | "R" |
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"S" | "T" | "U" | "V" | "W" | "X" | "Y" | "Z"
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digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" |
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"8" | "9"
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