On 16 May 2011, at 14:47, ddellacosta <[email protected]> wrote:
> Hi folks,
>
> Here's my basic issue, hopefully this is clear. I'm trying to submit
> some UTF-8 values in my query string, but they are coming out mangled
> on the other end. It *seems* like the problem is that what
> Rack::Utils.unescape() pushes out gets converted to UTF-8 somewhere in
> the chain (using 3.0.7, and Ruby 1.9.2, by the way), and it's mangling
> characters which are two bytes (for example, "%20," which is space and
> a one byte character, gets converted fine). I feel like I've almost
> figured this out, but I'm still stumped. Here's my "evidence:"
>
> # Example UTF-8 string:
>
> "Adélaïde de Hongrie"
>
> # GET string (obviously URI encoded):
>
> Started GET "/registers/results?filter[title][]=Ad%E9la%EFde%20de
> %20Hongrie&search=&limit=4" for 127.0.0.1 at 2011-05-16 14:17:33 +0700
Who is producing this query string? They should be generating %c3%a9 if they
are UTF8 friendly, since %e9 is just URL speak for \xe9, which smells like
iso-Latin-something
Fred
>
> # What Rack produces/Rails sees (in Controller):
>
> Parameters: {"filter"=>{"title"=>["Ad\xE9la\xEFde de Hongrie"]},
> "search"=>"", "limit"=>"4"}
>
> # Error I'm getting, when I try to "do stuff" with the above string:
>
> ArgumentError (invalid byte sequence in UTF-8):
>
> # What would actually be a valid string with hex UTF code points in
> the format above:
>
> "Ad\xC3\xA9la\xC3\xAFde de Hongrie"
>
> Or, in the "\u ..." format (see anything interesting here? Something
> obvious is eluding me...):
>
> "Ad\u{E9}la\u{EF}de de Hongrie
>
> To be clear, this is not a form, but an ajax query. I've tried adding
> the 'utf8' snowman thing manually too, but that doesn't seem to do
> anything...of course, maybe I'm doing that wrong.
>
> Any thoughts/questions/pointing out of obvious errors or confused ways
> of thinking? I'd also appreciate any pointers to Rails documentation
> which describes in more detail how this stuff happens; I've just been
> digging through the code and it's slow going for me.
>
> Help much appreciated!
>
> Cheers,
> Dave
>
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