diff options
Diffstat (limited to 'net/http/http_util.h')
| -rw-r--r-- | net/http/http_util.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/net/http/http_util.h b/net/http/http_util.h index d46ace4..9966c60 100644 --- a/net/http/http_util.h +++ b/net/http/http_util.h @@ -102,6 +102,28 @@ class HttpUtil { // the end-of-headers marker as defined by LocateEndOfHeaders. static std::string AssembleRawHeaders(const char* buf, int buf_len); + // Given a comma separated ordered list of language codes, return + // the list with a qvalue appended to each language. + // The way qvalues are assigned is rather simple. The qvalue + // starts with 1.0 and is decremented by 0.2 for each successive entry + // in the list until it reaches 0.2. All the entries after that are + // assigned the same qvalue of 0.2. Also, note that the 1st language + // will not have a qvalue added because the absence of a qvalue implicitly + // means q=1.0. + // + // When making a http request, this should be used to determine what + // to put in Accept-Language header. If a comma separated list of language + // codes *without* qvalue is sent, web servers regard all + // of them as having q=1.0 and pick one of them even though it may not + // be at the beginning of the list (see http://crbug.com/5899). + static std::string GenerateAcceptLanguageHeader( + const std::string& raw_language_list); + + // Given a charset, return the list with a qvalue. If charset is utf-8, + // it will return 'utf-8,*;q=0.5'. Otherwise (e.g. 'euc-jp'), it'll return + // 'euc-jp,utf-8;q=0.7,*;q=0.3'. + static std::string GenerateAcceptCharsetHeader(const std::string& charset); + // Used to iterate over the name/value pairs of HTTP headers. To iterate // over the values in a multi-value header, use ValuesIterator. // See AssembleRawHeaders for joining line continuations (this iterator |