Submodule updates and initial locale files

Editor/locale/locale.cpp

@@ -0,0 +1,58 @@
+#include "locale.hpp"
+#include <cstring>
+
+extern "C" const uint8_t L_en_US[];
+extern "C" size_t L_en_US_SZ;
+
+extern "C" const uint8_t L_en_GB[];
+extern "C" size_t L_en_GB_SZ;
+
+namespace RUDE
+{
+
+static const Specter::Locale Locales[] =
+{
+    {"en_US", "US English", L_en_US, L_en_US_SZ},
+    {"en_GB", "British English", L_en_GB, L_en_GB_SZ}
+};
+
+std::vector<std::pair<const std::string*, const std::string*>> ListLocales()
+{
+    constexpr size_t localeCount = std::extent<decltype(Locales)>::value;
+    std::vector<std::pair<const std::string*, const std::string*>> ret;
+    ret.reserve(localeCount);
+    for (size_t i=0 ; i<localeCount ; ++i)
+    {
+        const Specter::Locale& l = Locales[i];
+        ret.emplace_back(&l.name(), &l.fullName());
+    }
+    return ret;
+}
+
+const Specter::Locale* LookupLocale(const std::string& name)
+{
+    constexpr size_t localeCount = std::extent<decltype(Locales)>::value;
+    for (size_t i=0 ; i<localeCount ; ++i)
+    {
+        const Specter::Locale& l = Locales[i];
+        if (!name.compare(l.name()))
+            return &l;
+    }
+    return nullptr;
+}
+
+const Specter::Locale* SystemLocaleOrEnglish()
+{
+    const char* sysLocale = std::setlocale(LC_ALL, nullptr);
+    size_t sysLocaleLen = std::strlen(sysLocale);
+    constexpr size_t localeCount = std::extent<decltype(Locales)>::value;
+    for (size_t i=0 ; i<localeCount ; ++i)
+    {
+        const Specter::Locale& l = Locales[i];
+        if (!l.name().compare(0, std::min(l.name().size(), sysLocaleLen), sysLocale))
+            return &l;
+    }
+    return Locales;
+}
+
+}