Beginners Digest, Vol 41, Issue 7

Sun, 06 Nov 2011 03:00:36 -0800 

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Today's Topics:

   1.  Yesod umlaut issue (Obscaenvs)
   2. Re:  Yesod umlaut issue (Isaac Dupree)
   3. Re:  Yesod umlaut issue (Chadda? Fouch?)
   4. Re:  Yesod umlaut issue (Chadda? Fouch?)


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Message: 1
Date: Sat, 05 Nov 2011 14:09:37 +0100
From: Obscaenvs <[email protected]>
Subject: [Haskell-beginners] Yesod umlaut issue
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Hello, friends. I come in peace.

I would like there to be an "umlaut-translator"-function for Yesod (i.e. 
"?" -> "&ouml;"), but I have yet to find it. Furthermore the 
"#{}"-syntax does escaping of stuff like '<', '>' and, a more troubling 
'&' which is used in the umlaut-syntax. So any umlaut-translator would 
have to do this *after* the application of toHtml by the "#{}"-syntax 
which complicates writing ones own umlaut-converter. I may be totally 
wrong here; if so, feel free to correct me. I am also rather new to 
Yesod, but I am intent on giving it a good evaluation.

I am going to write several web applications in the near future for 
different clients, and Yesod seems like the promising tool. However, I 
need this conversion tool -- I *think*; maybe I have the wrong angle 
altogether.

/Fredrik





------------------------------

Message: 2
Date: Sat, 05 Nov 2011 10:03:57 -0400
From: Isaac Dupree <[email protected]>
Subject: Re: [Haskell-beginners] Yesod umlaut issue
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 11/05/2011 09:09 AM, Obscaenvs wrote:
> Hello, friends. I come in peace.

Hello!

> I would like there to be an "umlaut-translator"-function for Yesod (i.e.
> "?" -> "&ouml;"), [...]

Is that still necessary?  I've a feeling that all browsers support UTF-8 
these days, provided that you specify your charsets correctly (which 
must be done anyway for security reasons).

-Isaac



------------------------------

Message: 3
Date: Sat, 5 Nov 2011 15:31:05 +0100
From: Chadda? Fouch? <[email protected]>
Subject: Re: [Haskell-beginners] Yesod umlaut issue
To: Obscaenvs <[email protected]>
Cc: [email protected]
Message-ID:
        <CANfjZRbp=9tgzrb+xm0g50qe3sehnykef+eb1tbgtm22yk5...@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8

On Sat, Nov 5, 2011 at 2:09 PM, Obscaenvs <[email protected]> wrote:
> Hello, friends. I come in peace.
>
> I would like there to be an "umlaut-translator"-function for Yesod (i.e. "?"
> -> "&ouml;"), but I have yet to find it. Furthermore the "#{}"-syntax does
> escaping of stuff like '<', '>' and, a more troubling '&' which is used in
> the umlaut-syntax. So any umlaut-translator would have to do this *after*
> the application of toHtml by the "#{}"-syntax which complicates writing ones
> own umlaut-converter. I may be totally wrong here; if so, feel free to
> correct me. I am also rather new to Yesod, but I am intent on giving it a
> good evaluation.

You could simply write your "umlaut-translator" to produce Html
directly instead of a String so that #{} don't try to interpret it but
as Isaac said, you should probably just use utf-8, that would bypass
the problem altogether.
All new webpages should be written in utf-8 today anyway, as far as I
know any character that _has_ to be transformed into an entity by
toHtml is.

-- 
Jeda?



------------------------------

Message: 4
Date: Sat, 5 Nov 2011 16:16:44 +0100
From: Chadda? Fouch? <[email protected]>
Subject: Re: [Haskell-beginners] Yesod umlaut issue
To: Obscaenvs <[email protected]>, beginners <[email protected]>
Message-ID:
        <CANfjZRY+YgKF8b-TSRrTMFJTUrMpJzux=xkctqnndom9cp3...@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8

On Sat, Nov 5, 2011 at 3:59 PM, Obscaenvs <[email protected]> wrote:
>
> As for a related issue, it isn't immediately obvious from the Yesod book how
> I should go about producing "&Gamma;" for instance in the html output -- if
> I do
>
> gammaString = "&Gamma;"
> ...later...
> #{gammaString}
>
> ...then this will result in "&amp;Gamma;" being output in the html source.
> Should I in this case also produce Html directly? It's pretty good having
> these as shortcuts, as long as I do not have a keyboard that can easily
> switch to, say, Greek encoding...
>

Well, I guess those shortcuts are only present in your own code and
strings, so using something like
> #{preEscapedText myStringWithEntities}
is probably not too much of a security risk, just be more cautious if
you're getting outside content...

-- 
Jeda?



------------------------------

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