2014-07-09 19:40 GMT+09:00 Peter Krefting <[email protected]>:
> Yi EungJun:
>
>
>> Example:
>> LANGUAGE= -> ""
>> LANGUAGE=ko -> "Accept-Language: ko; q=1.000, *; q=0.001"
>> LANGUAGE=ko:en -> "Accept-Language: ko; q=1.000, en; q=0.999, *; q=0.001"
>
>
> Avoid adding "q=1.000". It is redundant (the default for any unqualified
> language names is 1.0, and additionally there has historically been some
> buggy servers that failed if it was included.
Ok, I'll fix it.
>
>
>> + p1 = getenv("LANGUAGE");
>
>
> You need a fallback mechanism here to parse all the possible language
> variables. I would use the first one I find of these:
>
> 1. LANGUAGE
> 2. LC_ALL
> 3. LC_MESSAGES
> 4. LANG
>
> Only "LANGUAGE" holds a colon-separated list, but the same code can parse
> all of them, just yielding a single entry for the others.
I'll use setlocale(LC_MESSAGES, NULL) as well as getenv("LANGUAGE").
>
>
>> + strbuf_add(buf, p1, p2 - p1);
>
>
> The tokens are on the form language_COUNTRY.encoding@identifier, whereas
> Accept-Language wants language-COUNTRY, so you need to a) replace "_" with
> "-", and b) chop off anything following a "." or "@".
>
>
>> + strbuf_addf(buf, "; q=%.3f", q);
>> + q -= 0.001;
>
>
> Three decimals seems a bit overkill, but some experimentation might be
> necessary.
I'll use three decimals only if there are 100 or more preferred languages.
>
>
>> + strbuf_addstr(buf, "*; q=0.001\r\n");
>
>
> You should probably also add an explicit "en" here, if none was already
> included. I've seen some servers break horribly if "en" isn't included.
I'll send Accept-Language only if there is at least one preferred
language. Is it enough?
Thanks for your review.
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