X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/5fd32be67c0656c9b60351b8c05f1833e3042d25..c5dac10c3dd6d8f54d97d3105803d07fa891fcd4:/apt-pkg/aptconfiguration.cc diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc index 45ae9bed5..1ec526646 100644 --- a/apt-pkg/aptconfiguration.cc +++ b/apt-pkg/aptconfiguration.cc @@ -11,6 +11,7 @@ #include #include #include +#include #include #include @@ -87,4 +88,164 @@ const Configuration::getCompressionTypes(bool const &Cached) { return types; } /*}}}*/ +// GetLanguages - Return Vector of Language Codes /*{{{*/ +// --------------------------------------------------------------------- +/* return a vector of language codes in the prefered order. + the special word "environment" will be replaced with the long and the short + code of the local settings and it will be insured that this will not add + duplicates. So in an german local the setting "environment, de_DE, en, de" + will result in "de_DE, de, en". + The special word "none" is the stopcode for the not-All code vector */ +std::vector const Configuration::getLanguages(bool const &All, + bool const &Cached, char const * const Locale) { + using std::string; + + // The detection is boring and has a lot of cornercases, + // so we cache the results to calculated it only once. + std::vector static allCodes; + std::vector static codes; + + // we have something in the cache + if (codes.empty() == false || allCodes.empty() == false) { + if (Cached == true) { + if(All == true && allCodes.empty() == false) + return allCodes; + else + return codes; + } else { + allCodes.clear(); + codes.clear(); + } + } + + // get the environment language code + // we extract both, a long and a short code and then we will + // check if we actually need both (rare) or if the short is enough + string const envMsg = string(Locale == 0 ? std::setlocale(LC_MESSAGES, NULL) : Locale); + size_t const lenShort = (envMsg.find('_') != string::npos) ? envMsg.find('_') : 2; + size_t const lenLong = (envMsg.find('.') != string::npos) ? envMsg.find('.') : (lenShort + 3); + + string envLong = envMsg.substr(0,lenLong); + string const envShort = envLong.substr(0,lenShort); + bool envLongIncluded = true, envShortIncluded = false; + + // first cornercase: LANG=C, so we use only "en" Translation + if (envLong == "C") { + codes.push_back("en"); + return codes; + } + + if (envLong != envShort) { + // to save the servers from unneeded queries, we only try also long codes + // for languages it is realistic to have a long code translation file... + char const *needLong[] = { "cs", "en", "pt", "sv", "zh", NULL }; + for (char const **l = needLong; *l != NULL; l++) + if (envShort.compare(*l) == 0) { + envLongIncluded = false; + break; + } + } + + // we don't add the long code, but we allow the user to do so + if (envLongIncluded == true) + envLong.clear(); + + // FIXME: Remove support for the old APT::Acquire::Translation + // it was undocumented and so it should be not very widthly used + string const oldAcquire = _config->Find("APT::Acquire::Translation",""); + if (oldAcquire.empty() == false && oldAcquire != "environment") { + if (oldAcquire != "none") + codes.push_back(oldAcquire); + return codes; + } + + // Support settings like Acquire::Translation=none on the command line to + // override the configuration settings vector of languages. + string const forceLang = _config->Find("Acquire::Languages",""); + if (forceLang.empty() == false) { + if (forceLang == "environment") { + if (envLongIncluded == false) + codes.push_back(envLong); + if (envShortIncluded == false) + codes.push_back(envShort); + return codes; + } else if (forceLang != "none") + codes.push_back(forceLang); + return codes; + } + + std::vector const lang = _config->FindVector("Acquire::Languages"); + // the default setting -> "environment, en" + if (lang.empty() == true) { + if (envLongIncluded == false) + codes.push_back(envLong); + if (envShortIncluded == false) + codes.push_back(envShort); + if (envShort != "en") + codes.push_back("en"); + return codes; + } + + // the configs define the order, so add the environment + // then needed and ensure the codes are not listed twice. + bool noneSeen = false; + for (std::vector::const_iterator l = lang.begin(); + l != lang.end(); l++) { + if (*l == "environment") { + if (envLongIncluded == true && envShortIncluded == true) + continue; + if (envLongIncluded == false) { + envLongIncluded = true; + if (noneSeen == false) + codes.push_back(envLong); + allCodes.push_back(envLong); + } + if (envShortIncluded == false) { + envShortIncluded = true; + if (noneSeen == false) + codes.push_back(envShort); + allCodes.push_back(envShort); + } + continue; + } else if (*l == "none") { + noneSeen = true; + continue; + } else if ((envLongIncluded == true && *l == envLong) || + (envShortIncluded == true && *l == envShort)) + continue; + + if (noneSeen == false) + codes.push_back(*l); + allCodes.push_back(*l); + } + if (All == true) + return allCodes; + else + return codes; +} + /*}}}*/ +// getArchitectures - Return Vector of prefered Architectures /*{{{*/ +std::vector const Configuration::getArchitectures(bool const &Cached) { + using std::string; + + std::vector static archs; + if (likely(Cached == true) && archs.empty() == false) + return archs; + + string const arch = _config->Find("APT::Architecture"); + archs = _config->FindVector("APT::Architectures"); + if (archs.empty() == true || + std::find(archs.begin(), archs.end(), arch) == archs.end()) + archs.push_back(arch); + return archs; +} + /*}}}*/ +// checkArchitecture - are we interested in the given Architecture? /*{{{*/ +bool const Configuration::checkArchitecture(std::string const &Arch) { + if (Arch == "all") + return true; + std::vector const archs = getArchitectures(true); + return (std::find(archs.begin(), archs.end(), Arch) != archs.end()); +} + /*}}}*/ }