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better fallbacks

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This commit is contained in:
Vaxry 2025-11-08 22:14:23 +00:00
parent 7761e862c9
commit 98a1d4f734
Signed by: vaxry
GPG key ID: 665806380871D640
2 changed files with 40 additions and 0 deletions
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31
src/i18n/I18nEngine.cpp
View file

@ -1,5 +1,7 @@
#include "I18nEngine.hpp"
#include <algorithm>
#include <format>
#include <hyprutils/string/String.hpp>
using namespace Hyprutils::I18n;
@ -42,6 +44,35 @@ std::string CI18nEngine::localizeEntry(const std::string& locale, uint64_t key,
entry = &m_impl->entries[locale][key];
if (!entry || !entry->exists) {
// try to fall back to lang_LANG
if (locale.contains('_')) {
auto stem = locale.substr(0, locale.find('_'));
auto stemUpper = stem;
std::ranges::transform(stemUpper, stemUpper.begin(), ::toupper);
auto newLocale = std::format("{}_{}", stem, stemUpper);
if (m_impl->entries.contains(newLocale) && m_impl->entries[newLocale].size() > key)
entry = &m_impl->entries[newLocale][key];
}
}
if (!entry || !entry->exists) {
// try to fall back to any lang prefixed with our prefix
if (locale.contains('_')) {
auto stem = locale.substr(0, locale.find('_') + 1);
for (const auto& [k, v] : m_impl->entries) {
if (k.starts_with(stem)) {
if (m_impl->entries.contains(k) && m_impl->entries[k].size() > key)
entry = &m_impl->entries[k][key];
if (entry && entry->exists)
break;
}
}
}
}
if (!entry || !entry->exists) {
// fall back to general fallback
if (m_impl->entries.contains(m_impl->fallbackLocale) && m_impl->entries[m_impl->fallbackLocale].size() > key)
entry = &m_impl->entries[m_impl->fallbackLocale][key];
}

9
tests/i18n.cpp
View file

@ -36,6 +36,9 @@ int main(int argc, char** argv, char** envp) {
return "Mam {count} jabłek.";
});
engine.registerEntry("es_XX", TXT_KEY_FALLBACK, "I don't speak spanish");
engine.registerEntry("es_ES", TXT_KEY_FALLBACK, "I don't speak spanish here either");
EXPECT(engine.localizeEntry("en_US", TXT_KEY_HELLO, {}), "Hello World!");
EXPECT(engine.localizeEntry("pl_PL", TXT_KEY_HELLO, {}), "Witaj świecie!");
EXPECT(engine.localizeEntry("de_DE", TXT_KEY_HELLO, {}), "Hello World!");
@ -47,6 +50,12 @@ int main(int argc, char** argv, char** envp) {
EXPECT(engine.localizeEntry("pl_PL", TXT_KEY_I_HAVE_APPLES, {{"count", "2"}}), "Mam 2 jabłka.");
EXPECT(engine.localizeEntry("pl_PL", TXT_KEY_I_HAVE_APPLES, {{"count", "5"}}), "Mam 5 jabłek.");
EXPECT(engine.localizeEntry("pl_XX", TXT_KEY_I_HAVE_APPLES, {{"count", "5"}}), "Mam 5 jabłek.");
EXPECT(engine.localizeEntry("en_XX", TXT_KEY_I_HAVE_APPLES, {{"count", "2"}}), "I have 2 apples.");
EXPECT(engine.localizeEntry("es_YY", TXT_KEY_FALLBACK, {}), "I don't speak spanish here either");
EXPECT(engine.localizeEntry("es_XX", TXT_KEY_FALLBACK, {}), "I don't speak spanish");
EXPECT(engine.localizeEntry("pl_PL", TXT_KEY_FALLBACK, {}), "Fallback string!");
return ret;