godot/core/string/translation.cpp

1088 lines
36 KiB
C++

/**************************************************************************/
/* translation.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "translation.h"
#include "translation.compat.inc"
#include "core/config/project_settings.h"
#include "core/io/resource_loader.h"
#include "core/os/os.h"
#include "core/string/locales.h"
#ifdef TOOLS_ENABLED
#include "main/main.h"
#endif
Dictionary Translation::_get_messages() const {
Dictionary d;
for (const KeyValue<StringName, StringName> &E : translation_map) {
d[E.key] = E.value;
}
return d;
}
Vector<String> Translation::_get_message_list() const {
Vector<String> msgs;
msgs.resize(translation_map.size());
int idx = 0;
for (const KeyValue<StringName, StringName> &E : translation_map) {
msgs.set(idx, E.key);
idx += 1;
}
return msgs;
}
Vector<String> Translation::get_translated_message_list() const {
Vector<String> msgs;
msgs.resize(translation_map.size());
int idx = 0;
for (const KeyValue<StringName, StringName> &E : translation_map) {
msgs.set(idx, E.value);
idx += 1;
}
return msgs;
}
void Translation::_set_messages(const Dictionary &p_messages) {
List<Variant> keys;
p_messages.get_key_list(&keys);
for (const Variant &E : keys) {
translation_map[E] = p_messages[E];
}
}
void Translation::set_locale(const String &p_locale) {
locale = TranslationServer::get_singleton()->standardize_locale(p_locale);
if (Thread::is_main_thread()) {
_notify_translation_changed_if_applies();
} else {
// Avoid calling non-thread-safe functions here.
callable_mp(this, &Translation::_notify_translation_changed_if_applies).call_deferred();
}
}
void Translation::_notify_translation_changed_if_applies() {
if (OS::get_singleton()->get_main_loop() && TranslationServer::get_singleton()->get_loaded_locales().has(get_locale())) {
OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_TRANSLATION_CHANGED);
}
}
void Translation::add_message(const StringName &p_src_text, const StringName &p_xlated_text, const StringName &p_context) {
translation_map[p_src_text] = p_xlated_text;
}
void Translation::add_plural_message(const StringName &p_src_text, const Vector<String> &p_plural_xlated_texts, const StringName &p_context) {
WARN_PRINT("Translation class doesn't handle plural messages. Calling add_plural_message() on a Translation instance is probably a mistake. \nUse a derived Translation class that handles plurals, such as TranslationPO class");
ERR_FAIL_COND_MSG(p_plural_xlated_texts.is_empty(), "Parameter vector p_plural_xlated_texts passed in is empty.");
translation_map[p_src_text] = p_plural_xlated_texts[0];
}
StringName Translation::get_message(const StringName &p_src_text, const StringName &p_context) const {
StringName ret;
if (GDVIRTUAL_CALL(_get_message, p_src_text, p_context, ret)) {
return ret;
}
if (p_context != StringName()) {
WARN_PRINT("Translation class doesn't handle context. Using context in get_message() on a Translation instance is probably a mistake. \nUse a derived Translation class that handles context, such as TranslationPO class");
}
HashMap<StringName, StringName>::ConstIterator E = translation_map.find(p_src_text);
if (!E) {
return StringName();
}
return E->value;
}
StringName Translation::get_plural_message(const StringName &p_src_text, const StringName &p_plural_text, int p_n, const StringName &p_context) const {
StringName ret;
if (GDVIRTUAL_CALL(_get_plural_message, p_src_text, p_plural_text, p_n, p_context, ret)) {
return ret;
}
WARN_PRINT("Translation class doesn't handle plural messages. Calling get_plural_message() on a Translation instance is probably a mistake. \nUse a derived Translation class that handles plurals, such as TranslationPO class");
return get_message(p_src_text);
}
void Translation::erase_message(const StringName &p_src_text, const StringName &p_context) {
if (p_context != StringName()) {
WARN_PRINT("Translation class doesn't handle context. Using context in erase_message() on a Translation instance is probably a mistake. \nUse a derived Translation class that handles context, such as TranslationPO class");
}
translation_map.erase(p_src_text);
}
void Translation::get_message_list(List<StringName> *r_messages) const {
for (const KeyValue<StringName, StringName> &E : translation_map) {
r_messages->push_back(E.key);
}
}
int Translation::get_message_count() const {
return translation_map.size();
}
void Translation::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_locale", "locale"), &Translation::set_locale);
ClassDB::bind_method(D_METHOD("get_locale"), &Translation::get_locale);
ClassDB::bind_method(D_METHOD("add_message", "src_message", "xlated_message", "context"), &Translation::add_message, DEFVAL(StringName()));
ClassDB::bind_method(D_METHOD("add_plural_message", "src_message", "xlated_messages", "context"), &Translation::add_plural_message, DEFVAL(StringName()));
ClassDB::bind_method(D_METHOD("get_message", "src_message", "context"), &Translation::get_message, DEFVAL(StringName()));
ClassDB::bind_method(D_METHOD("get_plural_message", "src_message", "src_plural_message", "n", "context"), &Translation::get_plural_message, DEFVAL(StringName()));
ClassDB::bind_method(D_METHOD("erase_message", "src_message", "context"), &Translation::erase_message, DEFVAL(StringName()));
ClassDB::bind_method(D_METHOD("get_message_list"), &Translation::_get_message_list);
ClassDB::bind_method(D_METHOD("get_translated_message_list"), &Translation::get_translated_message_list);
ClassDB::bind_method(D_METHOD("get_message_count"), &Translation::get_message_count);
ClassDB::bind_method(D_METHOD("_set_messages", "messages"), &Translation::_set_messages);
ClassDB::bind_method(D_METHOD("_get_messages"), &Translation::_get_messages);
GDVIRTUAL_BIND(_get_plural_message, "src_message", "src_plural_message", "n", "context");
GDVIRTUAL_BIND(_get_message, "src_message", "context");
ADD_PROPERTY(PropertyInfo(Variant::DICTIONARY, "messages", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "_set_messages", "_get_messages");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "locale"), "set_locale", "get_locale");
}
///////////////////////////////////////////////
struct _character_accent_pair {
const char32_t character;
const char32_t *accented_character;
};
static _character_accent_pair _character_to_accented[] = {
{ 'A', U"Å" },
{ 'B', U"ß" },
{ 'C', U"Ç" },
{ 'D', U"Ð" },
{ 'E', U"É" },
{ 'F', U"" },
{ 'G', U"Ĝ" },
{ 'H', U"Ĥ" },
{ 'I', U"Ĩ" },
{ 'J', U"Ĵ" },
{ 'K', U"ĸ" },
{ 'L', U"Ł" },
{ 'M', U"" },
{ 'N', U"й" },
{ 'O', U"Ö" },
{ 'P', U"" },
{ 'Q', U"" },
{ 'R', U"Ř" },
{ 'S', U"Ŝ" },
{ 'T', U"Ŧ" },
{ 'U', U"Ũ" },
{ 'V', U"" },
{ 'W', U"Ŵ" },
{ 'X', U"" },
{ 'Y', U"Ÿ" },
{ 'Z', U"Ž" },
{ 'a', U"á" },
{ 'b', U"" },
{ 'c', U"ć" },
{ 'd', U"" },
{ 'e', U"é" },
{ 'f', U"" },
{ 'g', U"ǵ" },
{ 'h', U"" },
{ 'i', U"í" },
{ 'j', U"ǰ" },
{ 'k', U"" },
{ 'l', U"ł" },
{ 'm', U"" },
{ 'n', U"" },
{ 'o', U"ô" },
{ 'p', U"" },
{ 'q', U"" },
{ 'r', U"ŕ" },
{ 's', U"š" },
{ 't', U"ŧ" },
{ 'u', U"ü" },
{ 'v', U"" },
{ 'w', U"ŵ" },
{ 'x', U"" },
{ 'y', U"ý" },
{ 'z', U"ź" },
};
Vector<TranslationServer::LocaleScriptInfo> TranslationServer::locale_script_info;
HashMap<String, String> TranslationServer::language_map;
HashMap<String, String> TranslationServer::script_map;
HashMap<String, String> TranslationServer::locale_rename_map;
HashMap<String, String> TranslationServer::country_name_map;
HashMap<String, String> TranslationServer::variant_map;
HashMap<String, String> TranslationServer::country_rename_map;
void TranslationServer::init_locale_info() {
// Init locale info.
language_map.clear();
int idx = 0;
while (language_list[idx][0] != nullptr) {
language_map[language_list[idx][0]] = String::utf8(language_list[idx][1]);
idx++;
}
// Init locale-script map.
locale_script_info.clear();
idx = 0;
while (locale_scripts[idx][0] != nullptr) {
LocaleScriptInfo info;
info.name = locale_scripts[idx][0];
info.script = locale_scripts[idx][1];
info.default_country = locale_scripts[idx][2];
Vector<String> supported_countries = String(locale_scripts[idx][3]).split(",", false);
for (int i = 0; i < supported_countries.size(); i++) {
info.supported_countries.insert(supported_countries[i]);
}
locale_script_info.push_back(info);
idx++;
}
// Init supported script list.
script_map.clear();
idx = 0;
while (script_list[idx][0] != nullptr) {
script_map[script_list[idx][1]] = String::utf8(script_list[idx][0]);
idx++;
}
// Init regional variant map.
variant_map.clear();
idx = 0;
while (locale_variants[idx][0] != nullptr) {
variant_map[locale_variants[idx][0]] = locale_variants[idx][1];
idx++;
}
// Init locale renames.
locale_rename_map.clear();
idx = 0;
while (locale_renames[idx][0] != nullptr) {
if (!String(locale_renames[idx][1]).is_empty()) {
locale_rename_map[locale_renames[idx][0]] = locale_renames[idx][1];
}
idx++;
}
// Init country names.
country_name_map.clear();
idx = 0;
while (country_names[idx][0] != nullptr) {
country_name_map[String(country_names[idx][0])] = String::utf8(country_names[idx][1]);
idx++;
}
// Init country renames.
country_rename_map.clear();
idx = 0;
while (country_renames[idx][0] != nullptr) {
if (!String(country_renames[idx][1]).is_empty()) {
country_rename_map[country_renames[idx][0]] = country_renames[idx][1];
}
idx++;
}
}
String TranslationServer::standardize_locale(const String &p_locale) const {
return _standardize_locale(p_locale, false);
}
String TranslationServer::_standardize_locale(const String &p_locale, bool p_add_defaults) const {
// Replaces '-' with '_' for macOS style locales.
String univ_locale = p_locale.replace("-", "_");
// Extract locale elements.
String lang_name, script_name, country_name, variant_name;
Vector<String> locale_elements = univ_locale.get_slice("@", 0).split("_");
lang_name = locale_elements[0];
if (locale_elements.size() >= 2) {
if (locale_elements[1].length() == 4 && is_ascii_upper_case(locale_elements[1][0]) && is_ascii_lower_case(locale_elements[1][1]) && is_ascii_lower_case(locale_elements[1][2]) && is_ascii_lower_case(locale_elements[1][3])) {
script_name = locale_elements[1];
}
if (locale_elements[1].length() == 2 && is_ascii_upper_case(locale_elements[1][0]) && is_ascii_upper_case(locale_elements[1][1])) {
country_name = locale_elements[1];
}
}
if (locale_elements.size() >= 3) {
if (locale_elements[2].length() == 2 && is_ascii_upper_case(locale_elements[2][0]) && is_ascii_upper_case(locale_elements[2][1])) {
country_name = locale_elements[2];
} else if (variant_map.has(locale_elements[2].to_lower()) && variant_map[locale_elements[2].to_lower()] == lang_name) {
variant_name = locale_elements[2].to_lower();
}
}
if (locale_elements.size() >= 4) {
if (variant_map.has(locale_elements[3].to_lower()) && variant_map[locale_elements[3].to_lower()] == lang_name) {
variant_name = locale_elements[3].to_lower();
}
}
// Try extract script and variant from the extra part.
Vector<String> script_extra = univ_locale.get_slice("@", 1).split(";");
for (int i = 0; i < script_extra.size(); i++) {
if (script_extra[i].to_lower() == "cyrillic") {
script_name = "Cyrl";
break;
} else if (script_extra[i].to_lower() == "latin") {
script_name = "Latn";
break;
} else if (script_extra[i].to_lower() == "devanagari") {
script_name = "Deva";
break;
} else if (variant_map.has(script_extra[i].to_lower()) && variant_map[script_extra[i].to_lower()] == lang_name) {
variant_name = script_extra[i].to_lower();
}
}
// Handles known non-ISO language names used e.g. on Windows.
if (locale_rename_map.has(lang_name)) {
lang_name = locale_rename_map[lang_name];
}
// Handle country renames.
if (country_rename_map.has(country_name)) {
country_name = country_rename_map[country_name];
}
// Remove unsupported script codes.
if (!script_map.has(script_name)) {
script_name = "";
}
// Add script code base on language and country codes for some ambiguous cases.
if (p_add_defaults) {
if (script_name.is_empty()) {
for (int i = 0; i < locale_script_info.size(); i++) {
const LocaleScriptInfo &info = locale_script_info[i];
if (info.name == lang_name) {
if (country_name.is_empty() || info.supported_countries.has(country_name)) {
script_name = info.script;
break;
}
}
}
}
if (!script_name.is_empty() && country_name.is_empty()) {
// Add conntry code based on script for some ambiguous cases.
for (int i = 0; i < locale_script_info.size(); i++) {
const LocaleScriptInfo &info = locale_script_info[i];
if (info.name == lang_name && info.script == script_name) {
country_name = info.default_country;
break;
}
}
}
}
// Combine results.
String out = lang_name;
if (!script_name.is_empty()) {
out = out + "_" + script_name;
}
if (!country_name.is_empty()) {
out = out + "_" + country_name;
}
if (!variant_name.is_empty()) {
out = out + "_" + variant_name;
}
return out;
}
int TranslationServer::compare_locales(const String &p_locale_a, const String &p_locale_b) const {
String locale_a = _standardize_locale(p_locale_a, true);
String locale_b = _standardize_locale(p_locale_b, true);
if (locale_a == locale_b) {
// Exact match.
return 10;
}
Vector<String> locale_a_elements = locale_a.split("_");
Vector<String> locale_b_elements = locale_b.split("_");
if (locale_a_elements[0] == locale_b_elements[0]) {
// Matching language, both locales have extra parts.
// Return number of matching elements.
int matching_elements = 1;
for (int i = 1; i < locale_a_elements.size(); i++) {
for (int j = 1; j < locale_b_elements.size(); j++) {
if (locale_a_elements[i] == locale_b_elements[j]) {
matching_elements++;
}
}
}
return matching_elements;
} else {
// No match.
return 0;
}
}
String TranslationServer::get_locale_name(const String &p_locale) const {
String lang_name, script_name, country_name;
Vector<String> locale_elements = standardize_locale(p_locale).split("_");
lang_name = locale_elements[0];
if (locale_elements.size() >= 2) {
if (locale_elements[1].length() == 4 && is_ascii_upper_case(locale_elements[1][0]) && is_ascii_lower_case(locale_elements[1][1]) && is_ascii_lower_case(locale_elements[1][2]) && is_ascii_lower_case(locale_elements[1][3])) {
script_name = locale_elements[1];
}
if (locale_elements[1].length() == 2 && is_ascii_upper_case(locale_elements[1][0]) && is_ascii_upper_case(locale_elements[1][1])) {
country_name = locale_elements[1];
}
}
if (locale_elements.size() >= 3) {
if (locale_elements[2].length() == 2 && is_ascii_upper_case(locale_elements[2][0]) && is_ascii_upper_case(locale_elements[2][1])) {
country_name = locale_elements[2];
}
}
String name = language_map[lang_name];
if (!script_name.is_empty()) {
name = name + " (" + script_map[script_name] + ")";
}
if (!country_name.is_empty()) {
name = name + ", " + country_name_map[country_name];
}
return name;
}
Vector<String> TranslationServer::get_all_languages() const {
Vector<String> languages;
for (const KeyValue<String, String> &E : language_map) {
languages.push_back(E.key);
}
return languages;
}
String TranslationServer::get_language_name(const String &p_language) const {
return language_map[p_language];
}
Vector<String> TranslationServer::get_all_scripts() const {
Vector<String> scripts;
for (const KeyValue<String, String> &E : script_map) {
scripts.push_back(E.key);
}
return scripts;
}
String TranslationServer::get_script_name(const String &p_script) const {
return script_map[p_script];
}
Vector<String> TranslationServer::get_all_countries() const {
Vector<String> countries;
for (const KeyValue<String, String> &E : country_name_map) {
countries.push_back(E.key);
}
return countries;
}
String TranslationServer::get_country_name(const String &p_country) const {
return country_name_map[p_country];
}
void TranslationServer::set_locale(const String &p_locale) {
String new_locale = standardize_locale(p_locale);
if (locale == new_locale) {
return;
}
locale = new_locale;
ResourceLoader::reload_translation_remaps();
if (OS::get_singleton()->get_main_loop()) {
OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_TRANSLATION_CHANGED);
}
}
String TranslationServer::get_locale() const {
return locale;
}
PackedStringArray TranslationServer::get_loaded_locales() const {
PackedStringArray locales;
for (const Ref<Translation> &E : translations) {
const Ref<Translation> &t = E;
ERR_FAIL_COND_V(t.is_null(), PackedStringArray());
String l = t->get_locale();
locales.push_back(l);
}
return locales;
}
void TranslationServer::add_translation(const Ref<Translation> &p_translation) {
translations.insert(p_translation);
}
void TranslationServer::remove_translation(const Ref<Translation> &p_translation) {
translations.erase(p_translation);
}
Ref<Translation> TranslationServer::get_translation_object(const String &p_locale) {
Ref<Translation> res;
int best_score = 0;
for (const Ref<Translation> &E : translations) {
const Ref<Translation> &t = E;
ERR_FAIL_COND_V(t.is_null(), nullptr);
String l = t->get_locale();
int score = compare_locales(p_locale, l);
if (score > 0 && score >= best_score) {
res = t;
best_score = score;
if (score == 10) {
break; // Exact match, skip the rest.
}
}
}
return res;
}
void TranslationServer::clear() {
translations.clear();
}
StringName TranslationServer::translate(const StringName &p_message, const StringName &p_context) const {
// Match given message against the translation catalog for the project locale.
if (!enabled) {
return p_message;
}
StringName res = _get_message_from_translations(p_message, p_context, locale, false);
if (!res && fallback.length() >= 2) {
res = _get_message_from_translations(p_message, p_context, fallback, false);
}
if (!res) {
return pseudolocalization_enabled ? pseudolocalize(p_message) : p_message;
}
return pseudolocalization_enabled ? pseudolocalize(res) : res;
}
StringName TranslationServer::translate_plural(const StringName &p_message, const StringName &p_message_plural, int p_n, const StringName &p_context) const {
if (!enabled) {
if (p_n == 1) {
return p_message;
}
return p_message_plural;
}
StringName res = _get_message_from_translations(p_message, p_context, locale, true, p_message_plural, p_n);
if (!res && fallback.length() >= 2) {
res = _get_message_from_translations(p_message, p_context, fallback, true, p_message_plural, p_n);
}
if (!res) {
if (p_n == 1) {
return p_message;
}
return p_message_plural;
}
return res;
}
StringName TranslationServer::_get_message_from_translations(const StringName &p_message, const StringName &p_context, const String &p_locale, bool plural, const String &p_message_plural, int p_n) const {
StringName res;
int best_score = 0;
for (const Ref<Translation> &E : translations) {
const Ref<Translation> &t = E;
ERR_FAIL_COND_V(t.is_null(), p_message);
String l = t->get_locale();
int score = compare_locales(p_locale, l);
if (score > 0 && score >= best_score) {
StringName r;
if (!plural) {
r = t->get_message(p_message, p_context);
} else {
r = t->get_plural_message(p_message, p_message_plural, p_n, p_context);
}
if (!r) {
continue;
}
res = r;
best_score = score;
if (score == 10) {
break; // Exact match, skip the rest.
}
}
}
return res;
}
TranslationServer *TranslationServer::singleton = nullptr;
bool TranslationServer::_load_translations(const String &p_from) {
if (ProjectSettings::get_singleton()->has_setting(p_from)) {
const Vector<String> &translation_names = GLOBAL_GET(p_from);
int tcount = translation_names.size();
if (tcount) {
const String *r = translation_names.ptr();
for (int i = 0; i < tcount; i++) {
Ref<Translation> tr = ResourceLoader::load(r[i]);
if (tr.is_valid()) {
add_translation(tr);
}
}
}
return true;
}
return false;
}
void TranslationServer::setup() {
String test = GLOBAL_DEF("internationalization/locale/test", "");
test = test.strip_edges();
if (!test.is_empty()) {
set_locale(test);
} else {
set_locale(OS::get_singleton()->get_locale());
}
fallback = GLOBAL_DEF("internationalization/locale/fallback", "en");
pseudolocalization_enabled = GLOBAL_DEF("internationalization/pseudolocalization/use_pseudolocalization", false);
pseudolocalization_accents_enabled = GLOBAL_DEF("internationalization/pseudolocalization/replace_with_accents", true);
pseudolocalization_double_vowels_enabled = GLOBAL_DEF("internationalization/pseudolocalization/double_vowels", false);
pseudolocalization_fake_bidi_enabled = GLOBAL_DEF("internationalization/pseudolocalization/fake_bidi", false);
pseudolocalization_override_enabled = GLOBAL_DEF("internationalization/pseudolocalization/override", false);
expansion_ratio = GLOBAL_DEF("internationalization/pseudolocalization/expansion_ratio", 0.0);
pseudolocalization_prefix = GLOBAL_DEF("internationalization/pseudolocalization/prefix", "[");
pseudolocalization_suffix = GLOBAL_DEF("internationalization/pseudolocalization/suffix", "]");
pseudolocalization_skip_placeholders_enabled = GLOBAL_DEF("internationalization/pseudolocalization/skip_placeholders", true);
#ifdef TOOLS_ENABLED
ProjectSettings::get_singleton()->set_custom_property_info(PropertyInfo(Variant::STRING, "internationalization/locale/fallback", PROPERTY_HINT_LOCALE_ID, ""));
#endif
}
void TranslationServer::set_tool_translation(const Ref<Translation> &p_translation) {
tool_translation = p_translation;
}
Ref<Translation> TranslationServer::get_tool_translation() const {
return tool_translation;
}
String TranslationServer::get_tool_locale() {
#ifdef TOOLS_ENABLED
if (Engine::get_singleton()->is_editor_hint() || Engine::get_singleton()->is_project_manager_hint()) {
if (TranslationServer::get_singleton()->get_tool_translation().is_valid()) {
return tool_translation->get_locale();
} else {
return "en";
}
} else {
#else
{
#endif
// Look for best matching loaded translation.
String best_locale = "en";
int best_score = 0;
for (const Ref<Translation> &E : translations) {
const Ref<Translation> &t = E;
ERR_FAIL_COND_V(t.is_null(), best_locale);
String l = t->get_locale();
int score = compare_locales(locale, l);
if (score > 0 && score >= best_score) {
best_locale = l;
best_score = score;
if (score == 10) {
break; // Exact match, skip the rest.
}
}
}
return best_locale;
}
}
StringName TranslationServer::tool_translate(const StringName &p_message, const StringName &p_context) const {
if (tool_translation.is_valid()) {
StringName r = tool_translation->get_message(p_message, p_context);
if (r) {
return editor_pseudolocalization ? tool_pseudolocalize(r) : r;
}
}
return editor_pseudolocalization ? tool_pseudolocalize(p_message) : p_message;
}
StringName TranslationServer::tool_translate_plural(const StringName &p_message, const StringName &p_message_plural, int p_n, const StringName &p_context) const {
if (tool_translation.is_valid()) {
StringName r = tool_translation->get_plural_message(p_message, p_message_plural, p_n, p_context);
if (r) {
return r;
}
}
if (p_n == 1) {
return p_message;
}
return p_message_plural;
}
void TranslationServer::set_property_translation(const Ref<Translation> &p_translation) {
property_translation = p_translation;
}
StringName TranslationServer::property_translate(const StringName &p_message) const {
if (property_translation.is_valid()) {
StringName r = property_translation->get_message(p_message);
if (r) {
return r;
}
}
return p_message;
}
void TranslationServer::set_doc_translation(const Ref<Translation> &p_translation) {
doc_translation = p_translation;
}
StringName TranslationServer::doc_translate(const StringName &p_message, const StringName &p_context) const {
if (doc_translation.is_valid()) {
StringName r = doc_translation->get_message(p_message, p_context);
if (r) {
return r;
}
}
return p_message;
}
StringName TranslationServer::doc_translate_plural(const StringName &p_message, const StringName &p_message_plural, int p_n, const StringName &p_context) const {
if (doc_translation.is_valid()) {
StringName r = doc_translation->get_plural_message(p_message, p_message_plural, p_n, p_context);
if (r) {
return r;
}
}
if (p_n == 1) {
return p_message;
}
return p_message_plural;
}
void TranslationServer::set_extractable_translation(const Ref<Translation> &p_translation) {
extractable_translation = p_translation;
}
StringName TranslationServer::extractable_translate(const StringName &p_message, const StringName &p_context) const {
if (extractable_translation.is_valid()) {
StringName r = extractable_translation->get_message(p_message, p_context);
if (r) {
return r;
}
}
return p_message;
}
StringName TranslationServer::extractable_translate_plural(const StringName &p_message, const StringName &p_message_plural, int p_n, const StringName &p_context) const {
if (extractable_translation.is_valid()) {
StringName r = extractable_translation->get_plural_message(p_message, p_message_plural, p_n, p_context);
if (r) {
return r;
}
}
if (p_n == 1) {
return p_message;
}
return p_message_plural;
}
bool TranslationServer::is_pseudolocalization_enabled() const {
return pseudolocalization_enabled;
}
void TranslationServer::set_pseudolocalization_enabled(bool p_enabled) {
pseudolocalization_enabled = p_enabled;
ResourceLoader::reload_translation_remaps();
if (OS::get_singleton()->get_main_loop()) {
OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_TRANSLATION_CHANGED);
}
}
void TranslationServer::set_editor_pseudolocalization(bool p_enabled) {
editor_pseudolocalization = p_enabled;
}
void TranslationServer::reload_pseudolocalization() {
pseudolocalization_accents_enabled = GLOBAL_GET("internationalization/pseudolocalization/replace_with_accents");
pseudolocalization_double_vowels_enabled = GLOBAL_GET("internationalization/pseudolocalization/double_vowels");
pseudolocalization_fake_bidi_enabled = GLOBAL_GET("internationalization/pseudolocalization/fake_bidi");
pseudolocalization_override_enabled = GLOBAL_GET("internationalization/pseudolocalization/override");
expansion_ratio = GLOBAL_GET("internationalization/pseudolocalization/expansion_ratio");
pseudolocalization_prefix = GLOBAL_GET("internationalization/pseudolocalization/prefix");
pseudolocalization_suffix = GLOBAL_GET("internationalization/pseudolocalization/suffix");
pseudolocalization_skip_placeholders_enabled = GLOBAL_GET("internationalization/pseudolocalization/skip_placeholders");
ResourceLoader::reload_translation_remaps();
if (OS::get_singleton()->get_main_loop()) {
OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_TRANSLATION_CHANGED);
}
}
StringName TranslationServer::pseudolocalize(const StringName &p_message) const {
String message = p_message;
int length = message.length();
if (pseudolocalization_override_enabled) {
message = get_override_string(message);
}
if (pseudolocalization_double_vowels_enabled) {
message = double_vowels(message);
}
if (pseudolocalization_accents_enabled) {
message = replace_with_accented_string(message);
}
if (pseudolocalization_fake_bidi_enabled) {
message = wrap_with_fakebidi_characters(message);
}
StringName res = add_padding(message, length);
return res;
}
StringName TranslationServer::tool_pseudolocalize(const StringName &p_message) const {
String message = p_message;
message = double_vowels(message);
message = replace_with_accented_string(message);
StringName res = "[!!! " + message + " !!!]";
return res;
}
String TranslationServer::get_override_string(String &p_message) const {
String res;
for (int i = 0; i < p_message.length(); i++) {
if (pseudolocalization_skip_placeholders_enabled && is_placeholder(p_message, i)) {
res += p_message[i];
res += p_message[i + 1];
i++;
continue;
}
res += '*';
}
return res;
}
String TranslationServer::double_vowels(String &p_message) const {
String res;
for (int i = 0; i < p_message.length(); i++) {
if (pseudolocalization_skip_placeholders_enabled && is_placeholder(p_message, i)) {
res += p_message[i];
res += p_message[i + 1];
i++;
continue;
}
res += p_message[i];
if (p_message[i] == 'a' || p_message[i] == 'e' || p_message[i] == 'i' || p_message[i] == 'o' || p_message[i] == 'u' ||
p_message[i] == 'A' || p_message[i] == 'E' || p_message[i] == 'I' || p_message[i] == 'O' || p_message[i] == 'U') {
res += p_message[i];
}
}
return res;
};
String TranslationServer::replace_with_accented_string(String &p_message) const {
String res;
for (int i = 0; i < p_message.length(); i++) {
if (pseudolocalization_skip_placeholders_enabled && is_placeholder(p_message, i)) {
res += p_message[i];
res += p_message[i + 1];
i++;
continue;
}
const char32_t *accented = get_accented_version(p_message[i]);
if (accented) {
res += accented;
} else {
res += p_message[i];
}
}
return res;
}
String TranslationServer::wrap_with_fakebidi_characters(String &p_message) const {
String res;
char32_t fakebidiprefix = U'\u202e';
char32_t fakebidisuffix = U'\u202c';
res += fakebidiprefix;
// The fake bidi unicode gets popped at every newline so pushing it back at every newline.
for (int i = 0; i < p_message.length(); i++) {
if (p_message[i] == '\n') {
res += fakebidisuffix;
res += p_message[i];
res += fakebidiprefix;
} else if (pseudolocalization_skip_placeholders_enabled && is_placeholder(p_message, i)) {
res += fakebidisuffix;
res += p_message[i];
res += p_message[i + 1];
res += fakebidiprefix;
i++;
} else {
res += p_message[i];
}
}
res += fakebidisuffix;
return res;
}
String TranslationServer::add_padding(const String &p_message, int p_length) const {
String underscores = String("_").repeat(p_length * expansion_ratio / 2);
String prefix = pseudolocalization_prefix + underscores;
String suffix = underscores + pseudolocalization_suffix;
return prefix + p_message + suffix;
}
const char32_t *TranslationServer::get_accented_version(char32_t p_character) const {
if (!is_ascii_char(p_character)) {
return nullptr;
}
for (unsigned int i = 0; i < sizeof(_character_to_accented) / sizeof(_character_to_accented[0]); i++) {
if (_character_to_accented[i].character == p_character) {
return _character_to_accented[i].accented_character;
}
}
return nullptr;
}
bool TranslationServer::is_placeholder(String &p_message, int p_index) const {
return p_index < p_message.length() - 1 && p_message[p_index] == '%' &&
(p_message[p_index + 1] == 's' || p_message[p_index + 1] == 'c' || p_message[p_index + 1] == 'd' ||
p_message[p_index + 1] == 'o' || p_message[p_index + 1] == 'x' || p_message[p_index + 1] == 'X' || p_message[p_index + 1] == 'f');
}
#ifdef TOOLS_ENABLED
void TranslationServer::get_argument_options(const StringName &p_function, int p_idx, List<String> *r_options) const {
const String pf = p_function;
if (p_idx == 0) {
HashMap<String, String> *target_hash_map = nullptr;
if (pf == "get_language_name") {
target_hash_map = &language_map;
} else if (pf == "get_script_name") {
target_hash_map = &script_map;
} else if (pf == "get_country_name") {
target_hash_map = &country_name_map;
}
if (target_hash_map) {
for (const KeyValue<String, String> &E : *target_hash_map) {
r_options->push_back(E.key.quote());
}
}
}
Object::get_argument_options(p_function, p_idx, r_options);
}
#endif // TOOLS_ENABLED
void TranslationServer::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_locale", "locale"), &TranslationServer::set_locale);
ClassDB::bind_method(D_METHOD("get_locale"), &TranslationServer::get_locale);
ClassDB::bind_method(D_METHOD("get_tool_locale"), &TranslationServer::get_tool_locale);
ClassDB::bind_method(D_METHOD("compare_locales", "locale_a", "locale_b"), &TranslationServer::compare_locales);
ClassDB::bind_method(D_METHOD("standardize_locale", "locale"), &TranslationServer::standardize_locale);
ClassDB::bind_method(D_METHOD("get_all_languages"), &TranslationServer::get_all_languages);
ClassDB::bind_method(D_METHOD("get_language_name", "language"), &TranslationServer::get_language_name);
ClassDB::bind_method(D_METHOD("get_all_scripts"), &TranslationServer::get_all_scripts);
ClassDB::bind_method(D_METHOD("get_script_name", "script"), &TranslationServer::get_script_name);
ClassDB::bind_method(D_METHOD("get_all_countries"), &TranslationServer::get_all_countries);
ClassDB::bind_method(D_METHOD("get_country_name", "country"), &TranslationServer::get_country_name);
ClassDB::bind_method(D_METHOD("get_locale_name", "locale"), &TranslationServer::get_locale_name);
ClassDB::bind_method(D_METHOD("translate", "message", "context"), &TranslationServer::translate, DEFVAL(StringName()));
ClassDB::bind_method(D_METHOD("translate_plural", "message", "plural_message", "n", "context"), &TranslationServer::translate_plural, DEFVAL(StringName()));
ClassDB::bind_method(D_METHOD("add_translation", "translation"), &TranslationServer::add_translation);
ClassDB::bind_method(D_METHOD("remove_translation", "translation"), &TranslationServer::remove_translation);
ClassDB::bind_method(D_METHOD("get_translation_object", "locale"), &TranslationServer::get_translation_object);
ClassDB::bind_method(D_METHOD("clear"), &TranslationServer::clear);
ClassDB::bind_method(D_METHOD("get_loaded_locales"), &TranslationServer::get_loaded_locales);
ClassDB::bind_method(D_METHOD("is_pseudolocalization_enabled"), &TranslationServer::is_pseudolocalization_enabled);
ClassDB::bind_method(D_METHOD("set_pseudolocalization_enabled", "enabled"), &TranslationServer::set_pseudolocalization_enabled);
ClassDB::bind_method(D_METHOD("reload_pseudolocalization"), &TranslationServer::reload_pseudolocalization);
ClassDB::bind_method(D_METHOD("pseudolocalize", "message"), &TranslationServer::pseudolocalize);
ADD_PROPERTY(PropertyInfo(Variant::Type::BOOL, "pseudolocalization_enabled"), "set_pseudolocalization_enabled", "is_pseudolocalization_enabled");
}
void TranslationServer::load_translations() {
_load_translations("internationalization/locale/translations"); //all
_load_translations("internationalization/locale/translations_" + locale.substr(0, 2));
if (locale.substr(0, 2) != locale) {
_load_translations("internationalization/locale/translations_" + locale);
}
}
TranslationServer::TranslationServer() {
singleton = this;
init_locale_info();
}