[fpc-pascal] fpWeb and html and uri escaping/unescaping elements

Wed May 25 09:35:58 CEST 2011

Hello FPC-Pascal,

Wednesday, May 25, 2011, 8:33:57 AM, you wrote:

>> "&lt;"
i> I'm not sure what you mean here.

That's an already escaped html. Let it be a mini htmlpage:

<html><title>-&lt;-</title></html>

i> If you have already html entities you should not escape them. If you do not
i> have html entities you should escape them.
i> The Escaping and unescaping works well, I already tested them before I sent
i> them.

The right content of <title> tag is "-<-" when unescaped but the
code unescapehtml produce "-<-". Explanation step by step:

1) The code looks for all '&'
2) When found replace it by '&'
3) <title> content is now "-<-"
4) Now the code looks for '<'
5) When found replace it by '<'
6) Now title content is "-<-"

----------
 Result := StringReplace(s,      '&',  '&', [rfReplaceAll]);
 Result := StringReplace(Result, '<',   '<', [rfReplaceAll]);
----------

I hope my explanations are now understandable.

-- 
Best regards,
 José