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From Torsten Förtsch <torsten.foert...@gmx.net>
Subject Re: Charset in response
Date Thu, 29 Nov 2012 14:20:57 GMT
On 11/29/2012 10:37 AM, André Warnier wrote:
> When I say that it doesn't work, I mean in fact :
> - the "Content-Type" response header sent by the server is properly set
> according to what I do above (as verified in a browser plugin)
> - but if what I print contains "accented" characters, they are not being
> encoded properly
> 
> So, do I need to set something else so that the $r->print(string) will
> output "string" properly ?
> 
> 
> Background :
> 
> My PerlResponseHandler reads a html file from disk, replaces some
> strings into it, and sends the result out via $r->print.
> The source html file can be encoded in iso-8859-1 or UTF-8, and it
> contains a proper declaration of the charset under which it is really
> encoded :
> 
> <meta http-equiv="content-type" content="text/html; charset=iso-8859-1">
> or
> <meta http-equiv="content-type" content="text/html; charset=UTF-8">
> 
> To read the file, I first open it "raw", read a few lines, checking for
> the above <meta> tag.  If found, I note the charset (say in $charset),
> close the file, and re-open it as
> 
> open(my $fh,"<:encoding($charset)", $file);
> 
> (note : if $charset is "UTF-8", then the open becomes
> open(my $fh,'<:utf8', $file);)

So, you convert the octet stream into a character stream when you read
the file. You have to do the reverse when you write it.

  $r->print(Encode::encode $encoding, $string);

Modperl usually uses perlio. So, perl-script handler should be able to
push an encoding layer on top of the :Apache2 layer.

  binmode STDOUT, ':encoding(...)'

But I haven't tried this yet.

Now, that I think of it, perhaps even the following would work

  open my $fh, '>:Apache2:encoding(...)', $r;
  print $fh $string;

If it does not work it would be good to make it so.

Torsten

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