[boost] Re: Any interest in adding unicode support to boost?

From: David Abrahams (dave_at_[hidden])
Date: 2004-10-22 18:32:03

"Peter Dimov" <pdimov_at_[hidden]> writes:

> David Abrahams wrote:
>> "Peter Dimov" <pdimov_at_[hidden]> writes:
>>
>>> David Abrahams wrote:
>>>> Is this going to be illegal for most fs, then?
>>>>   std::copy(
>>>>        std::istream_iterator<char>(f),
>>>>        std::istream_iterator<char>(),
>>>> std::back_inserter(my_utf8_string));
>>>> I think it pretty much has to work.
>>>
>>> my_utf8_string.append(
>>>     std::istream_iterator<char>(f), std::istream_iterator<char>() );
>>>
>>> is the proper spelling. Or, if you prefer,
>>>
>>> my_utf8_string.insert( my_utf8_string.end(),
>>>     std::istream_iterator<char>(f), std::istream_iterator<char>() );
>>>
>>> Character by character push_back loops just aren't cool.
>>
>> Okay, but should we make this well-known and understood idiom one
>> that compiles and fails at runtime?
>
> The well-known idiom is evil, but I see your point. A checking
> utf8_string probably shouldn't have push_back( char ).
>
> However, how did an utf8_string enter the discussion? Wasn't our
> unicode string supposed to hold UTF-16 in a clever way that permitted
> random access, and expose char32_t as its value_type?

I don't know.  Been somewhat distracted with the committee meeting so
I probably just haven't been paying enough attention to this thread.

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com