58 lines
1.9 KiB
Factor
58 lines
1.9 KiB
Factor
IN: urls.encoding
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USING: strings help.markup help.syntax assocs multiline ;
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HELP: url-decode
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{ $values { "str" string } { "decoded" string } }
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{ $description "Decodes a URL-encoded string." } ;
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HELP: url-encode
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{ $values { "str" string } { "encoded" string } }
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{ $description "URL-encodes a string." } ;
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HELP: url-quotable?
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{ $values { "ch" "a character" } { "?" "a boolean" } }
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{ $description "Tests if a character be used without URL-encoding in a URL." } ;
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HELP: assoc>query
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{ $values { "assoc" assoc } { "str" string } }
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{ $description "Converts an assoc of query parameters into a query string, performing URL encoding." }
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{ $notes "This word is used by the implementation of " { $link "urls" } ". It is also used by the HTTP client to encode POST requests." }
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{ $examples
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{ $example
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"USING: io urls.encoding ;"
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"{ { \"from\" \"Lead\" } { \"to\" \"Gold, please\" } }"
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"assoc>query print"
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"from=Lead&to=Gold%2c%20please"
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}
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} ;
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HELP: query>assoc
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{ $values { "query" string } { "assoc" assoc } }
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{ $description "Parses a URL query string and URL-decodes each component." }
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{ $notes "This word is used by the implementation of " { $link "urls" } ". It is also used by the HTTP server to parse POST requests." }
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{ $examples
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{ $unchecked-example
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"USING: prettyprint urls.encoding ;"
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"\"gender=female&agefrom=22&ageto=28&location=Omaha+NE\""
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"query>assoc ."
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<" H{
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{ "gender" "female" }
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{ "agefrom" "22" }
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{ "ageto" "28" }
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{ "location" "Omaha NE" }
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}">
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}
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} ;
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ARTICLE: "url-encoding" "URL encoding and decoding"
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"URL encoding and decoding strings:"
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{ $subsection url-encode }
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{ $subsection url-decode }
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{ $subsection url-quotable? }
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"Encoding and decoding queries:"
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{ $subsection assoc>query }
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{ $subsection query>assoc }
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"See " { $url "http://en.wikipedia.org/wiki/Percent-encoding" } " for a description of URL encoding." ;
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ABOUT: "url-encoding"
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