godot/core/string/translation_domain.cpp
2024-10-17 10:30:17 +08:00

458 lines
18 KiB
C++

/**************************************************************************/
/* translation_domain.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_domain.h"
#include "core/string/translation.h"
#include "core/string/translation_server.h"
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" },
};
String TranslationDomain::_get_override_string(const 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 TranslationDomain::_double_vowels(const 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 TranslationDomain::_replace_with_accented_string(const 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 TranslationDomain::_wrap_with_fakebidi_characters(const 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 TranslationDomain::_add_padding(const String &p_message, int p_length) const {
String underscores = String("_").repeat(p_length * pseudolocalization.expansion_ratio / 2);
String prefix = pseudolocalization.prefix + underscores;
String suffix = underscores + pseudolocalization.suffix;
return prefix + p_message + suffix;
}
const char32_t *TranslationDomain::_get_accented_version(char32_t p_character) const {
if (!is_ascii_alphabet_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 TranslationDomain::_is_placeholder(const 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');
}
StringName TranslationDomain::get_message_from_translations(const String &p_locale, const StringName &p_message, const StringName &p_context) const {
StringName res;
int best_score = 0;
for (const Ref<Translation> &E : translations) {
ERR_CONTINUE(E.is_null());
int score = TranslationServer::get_singleton()->compare_locales(p_locale, E->get_locale());
if (score > 0 && score >= best_score) {
const StringName r = E->get_message(p_message, p_context);
if (!r) {
continue;
}
res = r;
best_score = score;
if (score == 10) {
break; // Exact match, skip the rest.
}
}
}
return res;
}
StringName TranslationDomain::get_message_from_translations(const String &p_locale, const StringName &p_message, const StringName &p_message_plural, int p_n, const StringName &p_context) const {
StringName res;
int best_score = 0;
for (const Ref<Translation> &E : translations) {
ERR_CONTINUE(E.is_null());
int score = TranslationServer::get_singleton()->compare_locales(p_locale, E->get_locale());
if (score > 0 && score >= best_score) {
const StringName r = E->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;
}
PackedStringArray TranslationDomain::get_loaded_locales() const {
PackedStringArray locales;
for (const Ref<Translation> &E : translations) {
ERR_CONTINUE(E.is_null());
locales.push_back(E->get_locale());
}
return locales;
}
Ref<Translation> TranslationDomain::get_translation_object(const String &p_locale) const {
Ref<Translation> res;
int best_score = 0;
for (const Ref<Translation> &E : translations) {
ERR_CONTINUE(E.is_null());
int score = TranslationServer::get_singleton()->compare_locales(p_locale, E->get_locale());
if (score > 0 && score >= best_score) {
res = E;
best_score = score;
if (score == 10) {
break; // Exact match, skip the rest.
}
}
}
return res;
}
void TranslationDomain::add_translation(const Ref<Translation> &p_translation) {
translations.insert(p_translation);
}
void TranslationDomain::remove_translation(const Ref<Translation> &p_translation) {
translations.erase(p_translation);
}
void TranslationDomain::clear() {
translations.clear();
}
StringName TranslationDomain::translate(const StringName &p_message, const StringName &p_context) const {
const String &locale = TranslationServer::get_singleton()->get_locale();
StringName res = get_message_from_translations(locale, p_message, p_context);
const String &fallback = TranslationServer::get_singleton()->get_fallback_locale();
if (!res && fallback.length() >= 2) {
res = get_message_from_translations(fallback, p_message, p_context);
}
if (!res) {
return pseudolocalization.enabled ? pseudolocalize(p_message) : p_message;
}
return pseudolocalization.enabled ? pseudolocalize(res) : res;
}
StringName TranslationDomain::translate_plural(const StringName &p_message, const StringName &p_message_plural, int p_n, const StringName &p_context) const {
const String &locale = TranslationServer::get_singleton()->get_locale();
StringName res = get_message_from_translations(locale, p_message, p_message_plural, p_n, p_context);
const String &fallback = TranslationServer::get_singleton()->get_fallback_locale();
if (!res && fallback.length() >= 2) {
res = get_message_from_translations(fallback, p_message, p_message_plural, p_n, p_context);
}
if (!res) {
if (p_n == 1) {
return p_message;
}
return p_message_plural;
}
return res;
}
bool TranslationDomain::is_pseudolocalization_enabled() const {
return pseudolocalization.enabled;
}
void TranslationDomain::set_pseudolocalization_enabled(bool p_enabled) {
pseudolocalization.enabled = p_enabled;
}
bool TranslationDomain::is_pseudolocalization_accents_enabled() const {
return pseudolocalization.accents_enabled;
}
void TranslationDomain::set_pseudolocalization_accents_enabled(bool p_enabled) {
pseudolocalization.accents_enabled = p_enabled;
}
bool TranslationDomain::is_pseudolocalization_double_vowels_enabled() const {
return pseudolocalization.double_vowels_enabled;
}
void TranslationDomain::set_pseudolocalization_double_vowels_enabled(bool p_enabled) {
pseudolocalization.double_vowels_enabled = p_enabled;
}
bool TranslationDomain::is_pseudolocalization_fake_bidi_enabled() const {
return pseudolocalization.fake_bidi_enabled;
}
void TranslationDomain::set_pseudolocalization_fake_bidi_enabled(bool p_enabled) {
pseudolocalization.fake_bidi_enabled = p_enabled;
}
bool TranslationDomain::is_pseudolocalization_override_enabled() const {
return pseudolocalization.override_enabled;
}
void TranslationDomain::set_pseudolocalization_override_enabled(bool p_enabled) {
pseudolocalization.override_enabled = p_enabled;
}
bool TranslationDomain::is_pseudolocalization_skip_placeholders_enabled() const {
return pseudolocalization.skip_placeholders_enabled;
}
void TranslationDomain::set_pseudolocalization_skip_placeholders_enabled(bool p_enabled) {
pseudolocalization.skip_placeholders_enabled = p_enabled;
}
float TranslationDomain::get_pseudolocalization_expansion_ratio() const {
return pseudolocalization.expansion_ratio;
}
void TranslationDomain::set_pseudolocalization_expansion_ratio(float p_ratio) {
pseudolocalization.expansion_ratio = p_ratio;
}
String TranslationDomain::get_pseudolocalization_prefix() const {
return pseudolocalization.prefix;
}
void TranslationDomain::set_pseudolocalization_prefix(const String &p_prefix) {
pseudolocalization.prefix = p_prefix;
}
String TranslationDomain::get_pseudolocalization_suffix() const {
return pseudolocalization.suffix;
}
void TranslationDomain::set_pseudolocalization_suffix(const String &p_suffix) {
pseudolocalization.suffix = p_suffix;
}
StringName TranslationDomain::pseudolocalize(const StringName &p_message) const {
if (p_message.is_empty()) {
return p_message;
}
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);
}
return _add_padding(message, length);
}
void TranslationDomain::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_translation_object", "locale"), &TranslationDomain::get_translation_object);
ClassDB::bind_method(D_METHOD("add_translation", "translation"), &TranslationDomain::add_translation);
ClassDB::bind_method(D_METHOD("remove_translation", "translation"), &TranslationDomain::remove_translation);
ClassDB::bind_method(D_METHOD("clear"), &TranslationDomain::clear);
ClassDB::bind_method(D_METHOD("translate", "message", "context"), &TranslationDomain::translate, DEFVAL(StringName()));
ClassDB::bind_method(D_METHOD("translate_plural", "message", "message_plural", "n", "context"), &TranslationDomain::translate_plural, DEFVAL(StringName()));
ClassDB::bind_method(D_METHOD("is_pseudolocalization_enabled"), &TranslationDomain::is_pseudolocalization_enabled);
ClassDB::bind_method(D_METHOD("set_pseudolocalization_enabled", "enabled"), &TranslationDomain::set_pseudolocalization_enabled);
ClassDB::bind_method(D_METHOD("is_pseudolocalization_accents_enabled"), &TranslationDomain::is_pseudolocalization_accents_enabled);
ClassDB::bind_method(D_METHOD("set_pseudolocalization_accents_enabled", "enabled"), &TranslationDomain::set_pseudolocalization_accents_enabled);
ClassDB::bind_method(D_METHOD("is_pseudolocalization_double_vowels_enabled"), &TranslationDomain::is_pseudolocalization_double_vowels_enabled);
ClassDB::bind_method(D_METHOD("set_pseudolocalization_double_vowels_enabled", "enabled"), &TranslationDomain::set_pseudolocalization_double_vowels_enabled);
ClassDB::bind_method(D_METHOD("is_pseudolocalization_fake_bidi_enabled"), &TranslationDomain::is_pseudolocalization_fake_bidi_enabled);
ClassDB::bind_method(D_METHOD("set_pseudolocalization_fake_bidi_enabled", "enabled"), &TranslationDomain::set_pseudolocalization_fake_bidi_enabled);
ClassDB::bind_method(D_METHOD("is_pseudolocalization_override_enabled"), &TranslationDomain::is_pseudolocalization_override_enabled);
ClassDB::bind_method(D_METHOD("set_pseudolocalization_override_enabled", "enabled"), &TranslationDomain::set_pseudolocalization_override_enabled);
ClassDB::bind_method(D_METHOD("is_pseudolocalization_skip_placeholders_enabled"), &TranslationDomain::is_pseudolocalization_skip_placeholders_enabled);
ClassDB::bind_method(D_METHOD("set_pseudolocalization_skip_placeholders_enabled", "enabled"), &TranslationDomain::set_pseudolocalization_skip_placeholders_enabled);
ClassDB::bind_method(D_METHOD("get_pseudolocalization_expansion_ratio"), &TranslationDomain::get_pseudolocalization_expansion_ratio);
ClassDB::bind_method(D_METHOD("set_pseudolocalization_expansion_ratio", "ratio"), &TranslationDomain::set_pseudolocalization_expansion_ratio);
ClassDB::bind_method(D_METHOD("get_pseudolocalization_prefix"), &TranslationDomain::get_pseudolocalization_prefix);
ClassDB::bind_method(D_METHOD("set_pseudolocalization_prefix", "prefix"), &TranslationDomain::set_pseudolocalization_prefix);
ClassDB::bind_method(D_METHOD("get_pseudolocalization_suffix"), &TranslationDomain::get_pseudolocalization_suffix);
ClassDB::bind_method(D_METHOD("set_pseudolocalization_suffix", "suffix"), &TranslationDomain::set_pseudolocalization_suffix);
ClassDB::bind_method(D_METHOD("pseudolocalize", "message"), &TranslationDomain::pseudolocalize);
ADD_PROPERTY(PropertyInfo(Variant::Type::BOOL, "pseudolocalization_enabled"), "set_pseudolocalization_enabled", "is_pseudolocalization_enabled");
ADD_PROPERTY(PropertyInfo(Variant::Type::BOOL, "pseudolocalization_accents_enabled"), "set_pseudolocalization_accents_enabled", "is_pseudolocalization_accents_enabled");
ADD_PROPERTY(PropertyInfo(Variant::Type::BOOL, "pseudolocalization_double_vowels_enabled"), "set_pseudolocalization_double_vowels_enabled", "is_pseudolocalization_double_vowels_enabled");
ADD_PROPERTY(PropertyInfo(Variant::Type::BOOL, "pseudolocalization_fake_bidi_enabled"), "set_pseudolocalization_fake_bidi_enabled", "is_pseudolocalization_fake_bidi_enabled");
ADD_PROPERTY(PropertyInfo(Variant::Type::BOOL, "pseudolocalization_override_enabled"), "set_pseudolocalization_override_enabled", "is_pseudolocalization_override_enabled");
ADD_PROPERTY(PropertyInfo(Variant::Type::BOOL, "pseudolocalization_skip_placeholders_enabled"), "set_pseudolocalization_skip_placeholders_enabled", "is_pseudolocalization_skip_placeholders_enabled");
ADD_PROPERTY(PropertyInfo(Variant::Type::FLOAT, "pseudolocalization_expansion_ratio"), "set_pseudolocalization_expansion_ratio", "get_pseudolocalization_expansion_ratio");
ADD_PROPERTY(PropertyInfo(Variant::Type::STRING, "pseudolocalization_prefix"), "set_pseudolocalization_prefix", "get_pseudolocalization_prefix");
ADD_PROPERTY(PropertyInfo(Variant::Type::STRING, "pseudolocalization_suffix"), "set_pseudolocalization_suffix", "get_pseudolocalization_suffix");
}
TranslationDomain::TranslationDomain() {
}