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Flatten language translation keys in-memory

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AnimeGitB 2022-10-09 12:21:05 +10:30
parent a4f10208de
commit 98ac42a6c6
1 changed files with 25 additions and 37 deletions
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62
src/main/java/emu/grasscutter/utils/Language.java
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@ -14,8 +14,6 @@ import it.unimi.dsi.fastutil.objects.Object2IntMap;
import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
import lombok.EqualsAndHashCode;
import javax.annotation.Nullable;
import static emu.grasscutter.config.Configuration.*;
import static emu.grasscutter.utils.FileUtils.getResourcePath;
@ -46,9 +44,8 @@ import java.util.Map;
public final class Language {
private static final Map<String, Language> cachedLanguages = new ConcurrentHashMap<>();
private final JsonObject languageData;
private final String languageCode;
private final Map<String, String> cachedTranslations = new ConcurrentHashMap<>();
private final Map<String, String> translations = new ConcurrentHashMap<>();
/**
* Creates a language instance from a code.
@ -139,20 +136,36 @@ public final class Language {
return languageCode;
}
/**
* Recursive helper function to flatten a Json tree
* Converts input like {"foo": {"bar": "baz"}} to {"foo.bar": "baz"}
* @param map The map to insert the keys into
* @param key The flattened key of the current element
* @param element The current element
*/
private static void putFlattenedKey(Map<String,String> map, String key, JsonElement element) {
if (element.isJsonObject()) {
element.getAsJsonObject().entrySet().forEach(entry -> {
String keyPrefix = key.isEmpty() ? "" : key + ".";
putFlattenedKey(map, keyPrefix + entry.getKey(), entry.getValue());
});
} else {
map.put(key, element.getAsString());
}
}
/**
* Reads a file and creates a language instance.
*/
private Language(LanguageStreamDescription description) {
@Nullable JsonObject languageData = null;
languageCode = description.getLanguageCode();
try {
languageData = JsonUtils.decode(Utils.readFromInputStream(description.getLanguageFile()), JsonObject.class);
var object = JsonUtils.decode(Utils.readFromInputStream(description.getLanguageFile()), JsonObject.class);
object.entrySet().forEach(entry -> putFlattenedKey(translations, entry.getKey(), entry.getValue()));
} catch (Exception exception) {
Grasscutter.getLogger().warn("Failed to load language file: " + description.getLanguageCode(), exception);
}
this.languageData = languageData;
}
/**
@ -199,41 +212,16 @@ public final class Language {
* @return The value (as a string) from a nested key.
*/
public String get(String key) {
if (this.cachedTranslations.containsKey(key)) {
return this.cachedTranslations.get(key);
}
String[] keys = key.split("\\.");
JsonObject object = this.languageData;
int index = 0;
if (translations.containsKey(key)) return translations.get(key);
String valueNotFoundPattern = "This value does not exist. Please report this to the Discord: ";
String result = valueNotFoundPattern + key;
boolean isValueFound = false;
while (true) {
if (index == keys.length) break;
String currentKey = keys[index++];
if (object.has(currentKey)) {
JsonElement element = object.get(currentKey);
if (element.isJsonObject())
object = element.getAsJsonObject();
else {
isValueFound = true;
result = element.getAsString(); break;
}
} else break;
}
if (!isValueFound && !languageCode.equals("en-US")) {
var englishValue = getLanguage("en-US").get(key);
if (!languageCode.equals("en-US")) {
String englishValue = getLanguage("en-US").get(key);
if (!englishValue.contains(valueNotFoundPattern)) {
result += "\nhere is english version:\n" + englishValue;
}
}
this.cachedTranslations.put(key, result); return result;
return result;
}
private static class LanguageStreamDescription {