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definition:
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string2urlencoded :: String -> String
string2urlencoded [] = []
string2urlencoded (c:cs)
| noEncode c = c : string2urlencoded cs
| c == ' ' = '+' : string2urlencoded cs
| otherwise
= let oc = ord c
in '%' : int2hex(oc `div` 16) : int2hex(oc `mod` 16) : string2urlencoded cs
where
noEncode x = isAlphaNum x || x `elem` "-"
int2hex i = if i<10 then chr (ord '0' + i)
else chr (ord 'A' + i - 10)
|
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demand:
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argument 1
|
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deterministic:
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deterministic operation
|
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documentation:
|
Translates strings into equivalent URL encoded strings.
See also <http://www.w3.org/TR/html4/interact/forms.html#h-17.13.4.1>.
|
|
failfree:
|
_
|
|
indeterministic:
|
referentially transparent operation
|
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infix:
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no fixity defined
|
|
iotype:
|
{({[]}) |-> {[]} || ({:}) |-> {:}}
|
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name:
|
string2urlencoded
|
|
precedence:
|
no precedence defined
|
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result-values:
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{:,[]}
|
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signature:
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String -> String
|
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solution-complete:
|
operation might suspend on free variables
|
|
terminating:
|
possibly non-terminating
|
|
totally-defined:
|
possibly non-reducible on same data term
|