Streaming library

[Andrei Alexandrescu]

On 10/13/10 17:23 CDT, Denis Koroskin wrote:
> On Thu, 14 Oct 2010 02:01:24 +0400, Andrei Alexandrescu
> <SeeWebsiteForEmail at erdani.org> wrote:
>
>> On 10/13/10 16:05 CDT, Denis Koroskin wrote:
>>> On Thu, 14 Oct 2010 00:19:45 +0400, Andrei Alexandrescu
>>> <SeeWebsiteForEmail at erdani.org> wrote:
>>
>> To substantiate my brief answer:
>>
>>> This library code needs to be put somewhere. I just believe it belongs
>>> to line-reader, not a generic stream. By putting line reading into a
>>> stream interface, you want make it more efficient.
>>
>> I assume you meant "won't" instead of "want". So here you're saying
>> that line-oriented I/O does not belong in the interface because it
>> won't make things more efficient.
>>
>> But then your line reading code is extremely efficient by using the
>> interface you yourself embraced.
>>
>
> By adding readln() to the stream interface you will only move that code
> from ByLine to Stream implementation. The code would be still the same.
>
> How can you make it any more efficient? I've read fgets() source code
> that comes with Microsoft CRT, and it does exactly the same what I did
> (i.e. fill buffer, read byte-by-byte, copy to output string).
> It also puts restrictions on line size while I didn't (that's why I had
> to use an Appender). I also did a line copy (dup) so that I could return
> immutable string.
>
> You see, it's not the Stream interface that make that code less
> efficient, it's the additional functionality over C API it provides.

Gnu offers two specialized routines: 
http://www.gnu.org/s/libc/manual/html_node/Line-Input.html. It is many 
times more efficient than anything that can be done in client code using 
the stdio API. I'm thinking along those lines.

>> Andrei
>>
>> P.S. I think I figured the issue with your fonts: the header
>> Content-type contains "charset=KOI8-R". That charset propagates
>> through all responses. Does anyone know how I can ignore it?
>
> I've changed that to utf-8. Did it help?

Yes, looking great. Thanks!


Andrei