LlUnescapeURL

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Revision as of 10:06, 27 January 2014 by Kireji Haiku (Talk | contribs)

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Summary

Function: string llUnescapeURL( string url );

Returns a string that is an unescaped/unencoded version of url, replacing "%20" with spaces etc.

• string url A (preferably valid and escaped URL) string.
This function is similar to functions (e.g. urldecode, decodeURIComponent) found in many other languages: 
PHP
urldecode
ECMAScript
decodeURIComponent

Caveats

  • The hexadecimal encoded representation of UTF-8 byte encoding is the only supported means of access to non ASCII7 characters (Unicode characters).
    • Decoding of Unicode as "%u####" is not supported.
  • The "+" character is not decoded as a space.
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Examples

<lsl> string str = "http://wiki.secondlife.com/wiki/LSL Portal";

default {

   state_entry()
   {
       llOwnerSay("Plain string:\n\t" + str);
       // output: "http://wiki.secondlife.com/wiki/LSL Portal"
       llOwnerSay("Escaped string:\n\t" + llEscapeURL(str));
       // output: "http%3A%2F%2Fwiki%2Esecondlife%2Ecom%2Fwiki%2FLSL%20Portal"
       llOwnerSay("Escaped string unescaped again:\n\t" + llUnescapeURL( llEscapeURL(str) ));
       // output: "http://wiki.secondlife.com/wiki/LSL Portal"
       // because escaping and unescaping are exact opposite
       // and unescaping an escaped string returns the original


       //  For readability's sake it would make more sense to do:
       llOwnerSay("For readability's sake:\n\t" + "http://wiki.secondlife.com/wiki/" + llEscapeURL("LSL Portal"));
       // output: "http://wiki.secondlife.com/wiki/LSL%20Portal"
   }

}

</lsl>

See Also

Functions

•  llEscapeURL Opposite of llUnescapeURL

Articles

•  UTF-8
•  Base64
•  Combined Library: UnicodeIntegerToUTF8 Easily convert unicode character codes to string form.

Deep Notes

Search JIRA for related Issues

Signature

function string llUnescapeURL( string url );