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<RefEntry id="url-encode-string">
<!-- This file is generated automatically from the DSSSL source. -->
<!-- Do not edit this file! -->
<?html-filename url-encode-string.html>
<RefMeta>
<RefEntryTitle>url-encode-string</RefEntryTitle>
<RefMiscInfo Role="file">dblib.dsl</RefMiscInfo>
</RefMeta>
<RefNameDiv>
<RefName>url-encode-string</RefName>
<RefPurpose>Returns str with all special characters %-encoded</RefPurpose>
</RefNameDiv>
<RefSynopsisDiv><Title>Synopsis</Title>
<Synopsis>
(url-encode-string str)
</Synopsis>
</RefSynopsisDiv>
<RefSect1><Title>Description</Title>
<para>
Converts <literal>str</literal> to a properly encoded URL string. Returns str unchanged
if it is not a string.</para>
</RefSect1>
<RefSect1><Title>Author</Title>
<para>
Norman Walsh, <ndw@nwalsh.com>
</para>
</RefSect1>
<RefSect1><Title>Source Code</Title>
<ProgramListing>
(define (url-encode-string str)
;; Returns str with all special characters %-encoded
(if (string? str)
(let loop ((charlist (string->list str)) (url ""))
(if (null? charlist)
url
(loop (cdr charlist)
(string-append url (url-encode-char (car charlist))))))
str))
</ProgramListing>
</RefSect1>
</RefEntry>
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