encoding ISO-8859-1 to UTF-8 in std.net.curl

[Alexsej via Digitalmars-d-learn]

On Monday, 8 August 2016 at 21:11:26 UTC, ag0aep6g wrote:
> On 08/08/2016 09:57 PM, Alexsej wrote:
>>     // content in ISO-8859-1 to UTF-8 encoding but I lose
>>         //the Cyrillic "<?xml version='1.0'
>> encoding='UTF-8'?>отсутствует или неверно задан параметр"
>>     // I get it "<?xml version='1.0'
>> encoding='UTF-8'?>отсутствует или неверно
>> задан параметр"
>>     // How do I change the encoding to UTF-8 in response
>>
>>
>>     string s = cast(immutable char[])content;
>>     auto f = File("output.txt","w");  // output.txt file in 
>> UTF-8;
>>     f.write(s);
>
> The server doesn't include the encoding in the Content-Type 
> header, right? So curl assumes the default, which is ISO 
> 8859-1. It interprets the data as that and transcodes to UTF-8. 
> The result is garbage, of course.
>
> I don't see a way to change the default encoding. Maybe that 
> should be added.
>
> Until then you can reverse the wrong transcoding:
>
> ----
> import std.encoding: Latin1String, transcode;
> Latin1String pseudo_latin1;
> transcode(content.idup, pseudo_latin1);
> string s = cast(string) pseudo_latin1;
> ----
>
> Tiny rant:
>
> Why on earth does transcode only accept immutable characters 
> for input? Every other post here uncovers some bug/shortcoming 
> :(
//header from server
server: nginx
date: Mon, 08 Aug 2016 22:02:15 GMT
content-type: text/xml; Charset=utf-8
content-length: 204
connection: keep-alive
vary: Accept-Encoding
cache-control: private
expires: Mon, 08 Aug 2016 22:02:15 GMT
set-cookie: ASPSESSIONIDSSCCDASA=KIAPMCMDMPEDHPBJNMGFHMEB; path=/
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