mirror of
https://github.com/Grasscutters/Grasscutter.git
synced 2026-02-06 18:17:00 +01:00
687 lines
34 KiB
Java
687 lines
34 KiB
Java
package emu.grasscutter.utils;
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import static emu.grasscutter.utils.Utils.nonRegexSplit;
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import com.google.gson.*;
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import com.google.gson.annotations.SerializedName;
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import emu.grasscutter.Grasscutter;
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import it.unimi.dsi.fastutil.Pair;
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import it.unimi.dsi.fastutil.ints.Int2ObjectRBTreeMap;
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import it.unimi.dsi.fastutil.ints.Int2ObjectSortedMap;
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import it.unimi.dsi.fastutil.objects.Object2IntArrayMap;
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import java.io.IOException;
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import java.lang.reflect.*;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.NoSuchFileException;
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import java.nio.file.Path;
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import java.util.*;
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import java.util.function.Function;
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import java.util.stream.IntStream;
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import java.util.stream.Stream;
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import lombok.val;
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// Throughout this file, commented System.out.println debug log calls are left in.
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// This is because the default logger will deadlock when operating on parallel streams.
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public final class TsvUtils {
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private static final Map<Type, Object> defaultValues =
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Map.ofEntries(
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// Map.entry(String.class, null), // builder hates null values
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Map.entry(Integer.class, 0),
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Map.entry(int.class, 0),
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Map.entry(Long.class, 0L),
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Map.entry(long.class, 0L),
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Map.entry(Float.class, 0f),
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Map.entry(float.class, 0f),
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Map.entry(Double.class, 0d),
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Map.entry(double.class, 0d),
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Map.entry(Boolean.class, false),
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Map.entry(boolean.class, false));
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private static final Set<Type> primitiveTypes =
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Set.of(
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String.class,
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Integer.class,
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int.class,
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Long.class,
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long.class,
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Float.class,
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float.class,
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Double.class,
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double.class,
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Boolean.class,
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boolean.class);
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private static final Function<String, Object> parseString = value -> value;
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private static final Function<String, Object> parseInt =
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value -> (int) Double.parseDouble(value); // Integer::parseInt;
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private static final Function<String, Object> parseLong =
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value -> (long) Double.parseDouble(value); // Long::parseLong;
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private static final Map<Class<?>, Function<String, Object>> enumTypeParsers = new HashMap<>();
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private static final Map<Type, Function<String, Object>> primitiveTypeParsers =
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Map.ofEntries(
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Map.entry(String.class, parseString),
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Map.entry(Integer.class, parseInt),
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Map.entry(int.class, parseInt),
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Map.entry(Long.class, parseLong),
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Map.entry(long.class, parseLong),
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Map.entry(Float.class, Float::parseFloat),
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Map.entry(float.class, Float::parseFloat),
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Map.entry(Double.class, Double::parseDouble),
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Map.entry(double.class, Double::parseDouble),
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Map.entry(Boolean.class, Boolean::parseBoolean),
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Map.entry(boolean.class, Boolean::parseBoolean));
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private static final Map<Type, Function<String, Object>> typeParsers =
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new HashMap<>(primitiveTypeParsers);
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private static final Map<Class<?>, Map<String, FieldParser>> cachedClassFieldMaps =
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new HashMap<>();
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@SuppressWarnings("unchecked")
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private static <T> T parsePrimitive(Class<T> type, String string) {
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if (string == null || string.isEmpty()) return (T) defaultValues.get(type);
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return (T) primitiveTypeParsers.get(type).apply(string);
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}
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// This is more expensive than parsing as the correct types, but it is more tolerant of mismatched
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// data like ints with .0
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private static double parseNumber(String string) {
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if (string == null || string.isEmpty()) return 0d;
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return Double.parseDouble(string);
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}
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@SuppressWarnings("unchecked")
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private static <T> T parseEnum(Class<T> enumType, String string) {
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if (string == null || string.isEmpty()) return null;
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return (T) getEnumTypeParser(enumType).apply(string);
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}
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// This is idiotic. I hate it. I'll have to look into how Gson beats the JVM into submission over
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// classes where reflection magically fails to find the NoArgsConstructor later.
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public static <T> T newObj(Class<T> objClass) {
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try {
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return objClass.getDeclaredConstructor().newInstance();
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} catch (Exception ignored) {
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return JsonUtils.decode("{}", objClass);
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}
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}
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@SuppressWarnings("deprecated")
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// Field::isAccessible is deprecated because it doesn't do what people think it does. It does what
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// we want it to, however.
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private static Function<String, Object> makeEnumTypeParser(Class<?> enumClass) {
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if (!enumClass.isEnum()) {
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// System.out.println("Called makeEnumTypeParser with non-enum enumClass "+enumClass);
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return null;
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}
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// Make mappings of (string) names to enum constants
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val map = new HashMap<String, Object>();
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val enumConstants = enumClass.getEnumConstants();
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for (val constant : enumConstants) map.put(constant.toString(), constant);
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// If the enum also has a numeric value, map those to the constants too
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// System.out.println("Looking for enum value field");
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for (Field f : enumClass.getDeclaredFields()) {
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if (switch (f.getName()) {
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case "value", "id" -> true;
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default -> false;
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}) {
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// System.out.println("Enum value field found - " + f.getName());
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boolean acc = f.isAccessible();
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f.setAccessible(true);
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try {
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for (val constant : enumConstants) map.put(String.valueOf(f.getInt(constant)), constant);
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} catch (IllegalAccessException e) {
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// System.out.println("Failed to access enum id field.");
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}
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f.setAccessible(acc);
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break;
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}
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}
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return map::get;
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}
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private static synchronized Function<String, Object> getEnumTypeParser(Class<?> enumType) {
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if (enumType == null) {
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// System.out.println("Called getEnumTypeParser with null enumType");
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return null;
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}
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return enumTypeParsers.computeIfAbsent(enumType, TsvUtils::makeEnumTypeParser);
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}
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private static synchronized Function<String, Object> getTypeParser(Type type) {
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if (type == null) return parseString;
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return typeParsers.computeIfAbsent(type, t -> value -> JsonUtils.decode(value, t));
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}
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private static Type class2Type(Class<?> classType) {
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return classType.getGenericSuperclass();
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}
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private static Class<?> type2Class(Type type) {
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if (type instanceof Class) {
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return (Class<?>) type;
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} else if (type instanceof ParameterizedType) {
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return (Class<?>) ((ParameterizedType) type).getRawType();
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} else {
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return type.getClass(); // Probably incorrect
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}
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}
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private static Map<String, FieldParser> makeClassFieldMap(Class<?> classType) {
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val fieldMap = new HashMap<String, FieldParser>();
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for (Field field : classType.getDeclaredFields()) {
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field.setAccessible(
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true); // Yes, we don't bother setting this back. No, it doesn't matter for this project.
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val fieldParser = new FieldParser(field);
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val a = field.getDeclaredAnnotation(SerializedName.class);
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if (a == null) { // No annotation, use raw field name
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fieldMap.put(field.getName(), fieldParser);
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} else { // Handle SerializedNames and alternatives
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fieldMap.put(a.value(), fieldParser);
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for (val alt : a.alternate()) {
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fieldMap.put(alt, fieldParser);
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}
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}
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}
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return fieldMap;
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}
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private static synchronized Map<String, FieldParser> getClassFieldMap(Class<?> classType) {
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return cachedClassFieldMaps.computeIfAbsent(classType, TsvUtils::makeClassFieldMap);
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}
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// Flat tab-separated value tables.
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// Arrays are represented as arrayName.0, arrayName.1, etc. columns.
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// Maps/POJOs are represented as objName.fieldOneName, objName.fieldTwoName, etc. columns.
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// This is currently about 25x as slow as TSJ and Gson parsers, likely due to the tree spam.
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public static <T> List<T> loadTsvToListSetField(Path filename, Class<T> classType) {
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try (val fileReader = Files.newBufferedReader(filename, StandardCharsets.UTF_8)) {
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// val fieldMap = getClassFieldMap(classType);
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// val constructor = classType.getDeclaredConstructor();
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val headerNames = nonRegexSplit(fileReader.readLine(), '\t');
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val columns = headerNames.size();
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// If we just crawled through all fields to expand potential subobjects, we might hit
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// recursive data structure explosions (e.g. if something has a Player object)
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// So we'll only crawl through objects referenced by the header columns
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val stringTree = new StringTree();
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headerNames.forEach(stringTree::addPath);
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return fileReader
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.lines()
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.parallel()
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.map(
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line -> {
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// return fileReader.lines().map(line -> {
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// System.out.println("Processing line of "+filename+" - "+line);
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val tokens = nonRegexSplit(line, '\t');
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val m = Math.min(tokens.size(), columns);
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int t = 0;
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StringValueTree tree = new StringValueTree(stringTree);
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try {
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for (t = 0; t < m; t++) {
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String token = tokens.get(t);
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if (!token.isEmpty()) {
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tree.setValue(headerNames.get(t), token);
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}
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}
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// return JsonUtils.decode(tree.toJson(), classType);
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return tree.toClass(classType, null);
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} catch (Exception e) {
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Grasscutter.getLogger()
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.warn(
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"Error deserializing an instance of class "
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+ classType.getCanonicalName());
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Grasscutter.getLogger().warn("At token #" + t + " of #" + m);
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Grasscutter.getLogger().warn("Header names are: " + headerNames);
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Grasscutter.getLogger().warn("Tokens are: " + tokens);
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Grasscutter.getLogger().warn("Stacktrace is: ", e);
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// System.out.println("Error deserializing an instance of class
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// "+classType.getCanonicalName());
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// System.out.println("At token #"+t+" of #"+m);
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// System.out.println("Header names are: "+headerNames.toString());
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// System.out.println("Tokens are: "+tokens.toString());
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// System.out.println("Json is: "+tree.toJson().toString());
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// System.out.println("Stacktrace is: "+ e);
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return null;
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}
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})
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.toList();
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} catch (Exception e) {
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Grasscutter.getLogger().error("Error loading file '" + filename + "' - Stacktrace is: ", e);
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return null;
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}
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}
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// This uses a hybrid format where columns can hold JSON-encoded values.
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// I'll term it TSJ (tab-separated JSON) for now, it has convenient properties.
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public static <T> List<T> loadTsjToListSetField(Path filename, Class<T> classType) {
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try (val fileReader = Files.newBufferedReader(filename, StandardCharsets.UTF_8)) {
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val fieldMap = getClassFieldMap(classType);
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val constructor = classType.getDeclaredConstructor();
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val headerNames = nonRegexSplit(fileReader.readLine(), '\t');
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val columns = headerNames.size();
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val fieldParsers = headerNames.stream().map(fieldMap::get).toList();
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return fileReader
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.lines()
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.parallel()
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.map(
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line -> {
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val tokens = nonRegexSplit(line, '\t');
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val m = Math.min(tokens.size(), columns);
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int t = 0;
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try {
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T obj = constructor.newInstance();
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for (t = 0; t < m; t++) {
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val fieldParser = fieldParsers.get(t);
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if (fieldParser == null) continue;
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String token = tokens.get(t);
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if (!token.isEmpty()) {
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fieldParser.parse(obj, token);
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}
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}
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return obj;
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} catch (Exception e) {
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Grasscutter.getLogger()
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.warn(
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"Error deserializing an instance of class "
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+ classType.getCanonicalName());
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Grasscutter.getLogger().warn("At token #" + t + " of #" + m);
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Grasscutter.getLogger().warn("Header names are: " + headerNames);
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Grasscutter.getLogger().warn("Tokens are: " + tokens);
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Grasscutter.getLogger().warn("Stacktrace is: ", e);
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return null;
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}
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})
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.toList();
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} catch (NoSuchFileException e) {
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Grasscutter.getLogger()
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.error(
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"Error loading file '"
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+ filename
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+ "' - File does not exist. You are missing resources. Note that this file may exist in JSON, TSV, or TSJ format, any of which are suitable.");
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return null;
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} catch (IOException e) {
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Grasscutter.getLogger().error("Error loading file '" + filename + "' - Stacktrace is: ", e);
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return null;
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} catch (NoSuchMethodException e) {
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Grasscutter.getLogger()
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.error("Error loading file '" + filename + "' - Class is missing NoArgsConstructor");
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return null;
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}
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}
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// -----------------------------------------------------------------
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// Everything below here is for the AllArgsConstructor TSJ parser
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// -----------------------------------------------------------------
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// Sadly, this is a little bit slower than the SetField version.
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// I've left it in as an example of an optimization attempt that didn't work out, since the naive
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// reflection version will tempt people to try things like this.
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@SuppressWarnings("unchecked")
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private static <T> Pair<Constructor<T>, String[]> getAllArgsConstructor(Class<T> classType) {
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for (var c : classType.getDeclaredConstructors()) {
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val consParameters =
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(java.beans.ConstructorProperties)
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c.getAnnotation(java.beans.ConstructorProperties.class);
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if (consParameters != null) {
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return Pair.of((Constructor<T>) c, consParameters.value());
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}
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}
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return null;
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}
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public static <T> List<List<T>> loadTsjsToListsConstructor(Class<T> classType, Path... filenames)
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throws Exception {
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val pair = getAllArgsConstructor(classType);
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if (pair == null) {
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Grasscutter.getLogger().error("No AllArgsContructor found for class: " + classType);
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return null;
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}
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val constructor = pair.left();
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val conArgNames = pair.right();
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val numArgs = constructor.getParameterCount();
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val argMap = new Object2IntArrayMap<String>();
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for (int i = 0; i < conArgNames.length; i++) {
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argMap.put(conArgNames[i], i);
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}
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val argTypes =
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new Type[numArgs]; // constructor.getParameterTypes() returns base types like java.util.List
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// instead of java.util.List<java.lang.Integer>
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for (Field field : classType.getDeclaredFields()) {
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int index = argMap.getOrDefault(field.getName(), -1);
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if (index < 0) continue;
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argTypes[index] = field.getGenericType(); // returns specialized type info e.g.
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// java.util.List<java.lang.Integer>
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val a = field.getDeclaredAnnotation(SerializedName.class);
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if (a != null) { // Handle SerializedNames and alternatives
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argMap.put(a.value(), index);
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for (val alt : a.alternate()) {
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argMap.put(alt, index);
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}
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}
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}
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val argParsers = Stream.of(argTypes).map(TsvUtils::getTypeParser).toList();
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val defaultArgs = new Object[numArgs];
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for (int i = 0; i < numArgs; i++) {
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defaultArgs[i] = defaultValues.get(argTypes[i]);
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}
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return Stream.of(filenames)
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.parallel()
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.map(
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filename -> {
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try (val fileReader = Files.newBufferedReader(filename, StandardCharsets.UTF_8)) {
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val headerNames = nonRegexSplit(fileReader.readLine(), '\t');
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val columns = headerNames.size();
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val argPositions =
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headerNames.stream().mapToInt(name -> argMap.getOrDefault(name, -1)).toArray();
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return fileReader
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.lines()
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.parallel()
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.map(
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line -> {
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val tokens = nonRegexSplit(line, '\t');
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val args = defaultArgs.clone();
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val m = Math.min(tokens.size(), columns);
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int t = 0;
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try {
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for (t = 0; t < m; t++) {
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val argIndex = argPositions[t];
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if (argIndex < 0) continue;
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String token = tokens.get(t);
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if (!token.isEmpty()) {
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args[argIndex] = argParsers.get(argIndex).apply(token);
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}
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}
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return constructor.newInstance(args);
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} catch (Exception e) {
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Grasscutter.getLogger()
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.warn(
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"Error deserializing an instance of class "
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+ classType.getCanonicalName()
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+ " : "
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+ constructor.getName());
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Grasscutter.getLogger().warn("At token #" + t + " of #" + m);
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Grasscutter.getLogger()
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.warn("Arg names are: " + Arrays.toString(conArgNames));
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Grasscutter.getLogger()
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.warn("Arg types are: " + Arrays.toString(argTypes));
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Grasscutter.getLogger()
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.warn("Default Args are: " + Arrays.toString(defaultArgs));
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Grasscutter.getLogger().warn("Args are: " + Arrays.toString(args));
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Grasscutter.getLogger().warn("Header names are: " + headerNames);
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Grasscutter.getLogger()
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.warn(
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"Header types are: "
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+ IntStream.of(argPositions)
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.mapToObj(i -> (i >= 0) ? argTypes[i] : null)
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.toList());
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Grasscutter.getLogger().warn("Tokens are: " + tokens);
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Grasscutter.getLogger().warn("Stacktrace is: ", e);
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return null;
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}
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})
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.toList();
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} catch (IOException e) {
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Grasscutter.getLogger()
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.error("Error loading file '" + filename + "' - Stacktrace is: ", e);
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return null;
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}
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})
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.toList();
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}
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// A helper object that contains a Field and the function to parse a String to create the value
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// for the Field.
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private static class FieldParser {
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public final Field field;
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public final Type type;
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public final Class<?> classType;
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public final Function<String, Object> parser;
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FieldParser(Field field) {
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this.field = field;
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this.type = field.getGenericType(); // returns specialized type info e.g.
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// java.util.List<java.lang.Integer>
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this.classType = field.getType();
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this.parser = getTypeParser(this.type);
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}
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public Object parse(String token) {
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return this.parser.apply(token);
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}
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public void parse(Object obj, String token) throws IllegalAccessException {
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this.field.set(obj, this.parser.apply(token));
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}
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}
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private static class StringTree {
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public final Map<String, StringTree> children = new TreeMap<>();
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public void addPath(String path) {
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if (path.isEmpty()) return;
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val firstDot = path.indexOf('.');
|
|
val fieldPath = (firstDot < 0) ? path : path.substring(0, firstDot);
|
|
val remainder = (firstDot < 0) ? "" : path.substring(firstDot + 1);
|
|
this.children.computeIfAbsent(fieldPath, k -> new StringTree()).addPath(remainder);
|
|
}
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
private static class StringValueTree {
|
|
public final SortedMap<String, StringValueTree> children = new TreeMap<>();
|
|
public final Int2ObjectSortedMap<StringValueTree> arrayChildren = new Int2ObjectRBTreeMap<>();
|
|
public String value;
|
|
|
|
public StringValueTree(StringTree from) {
|
|
from.children.forEach(
|
|
(k, v) -> {
|
|
try {
|
|
this.arrayChildren.put(Integer.parseInt(k), new StringValueTree(v));
|
|
} catch (NumberFormatException e) {
|
|
this.children.put(k, new StringValueTree(v));
|
|
}
|
|
});
|
|
}
|
|
|
|
public void setValue(String path, String value) {
|
|
if (path.isEmpty()) {
|
|
this.value = value;
|
|
return;
|
|
}
|
|
|
|
val firstDot = path.indexOf('.');
|
|
val fieldPath = (firstDot < 0) ? path : path.substring(0, firstDot);
|
|
val remainder = (firstDot < 0) ? "" : path.substring(firstDot + 1);
|
|
try {
|
|
this.arrayChildren.get(Integer.parseInt(fieldPath)).setValue(remainder, value);
|
|
} catch (NumberFormatException e) {
|
|
this.children.get(fieldPath).setValue(remainder, value);
|
|
}
|
|
}
|
|
|
|
public JsonElement toJson() {
|
|
// Determine if this is an object, an array, or a value
|
|
if (this.value != null) { //
|
|
return new JsonPrimitive(this.value);
|
|
}
|
|
if (!this.arrayChildren.isEmpty()) {
|
|
val arr = new JsonArray(this.arrayChildren.lastIntKey() + 1);
|
|
arrayChildren.forEach((k, v) -> arr.set(k, v.toJson()));
|
|
return arr;
|
|
} else if (this.children.isEmpty()) {
|
|
return JsonNull.INSTANCE;
|
|
} else {
|
|
val obj = new JsonObject();
|
|
children.forEach(
|
|
(k, v) -> {
|
|
val j = v.toJson();
|
|
if (j != JsonNull.INSTANCE) obj.add(k, v.toJson());
|
|
});
|
|
return obj;
|
|
}
|
|
}
|
|
|
|
public <T> T toClass(Class<T> classType, Type type) {
|
|
// System.out.println("toClass called with Class: "+classType+" \tType: "+type);
|
|
if (type == null) type = class2Type(classType);
|
|
|
|
if (primitiveTypeParsers.containsKey(classType)) {
|
|
return parsePrimitive(classType, this.value);
|
|
} else if (classType.isEnum()) {
|
|
return parseEnum(classType, this.value);
|
|
} else if (classType.isArray()) {
|
|
return this.toArray(classType);
|
|
} else if (List.class.isAssignableFrom(classType)) {
|
|
// if (type instanceof ParameterizedType)
|
|
val elementType = ((ParameterizedType) type).getActualTypeArguments()[0];
|
|
return (T) this.toList(type2Class(elementType), elementType);
|
|
} else if (Map.class.isAssignableFrom(classType)) {
|
|
// System.out.println("Class: "+classType+" \tClassTypeParams:
|
|
// "+Arrays.toString(classType.getTypeParameters())+" \tType: "+type+" \tTypeArguments:
|
|
// "+Arrays.toString(((ParameterizedType) type).getActualTypeArguments()));
|
|
// if (type instanceof ParameterizedType)
|
|
val keyType = ((ParameterizedType) type).getActualTypeArguments()[0];
|
|
val valueType = ((ParameterizedType) type).getActualTypeArguments()[1];
|
|
return (T) this.toMap(type2Class(keyType), type2Class(valueType), valueType);
|
|
} else {
|
|
return this.toObj(classType, type);
|
|
}
|
|
}
|
|
|
|
private <T> T toObj(Class<T> objClass, Type objType) {
|
|
try {
|
|
// val obj = objClass.getDeclaredConstructor().newInstance();
|
|
val obj = newObj(objClass);
|
|
val fieldMap = getClassFieldMap(objClass);
|
|
this.children.forEach(
|
|
(name, tree) -> {
|
|
val field = fieldMap.get(name);
|
|
if (field == null) return;
|
|
try {
|
|
if (primitiveTypes.contains(field.type)) {
|
|
if ((tree.value != null) && !tree.value.isEmpty()) field.parse(obj, tree.value);
|
|
} else {
|
|
val value = tree.toClass(field.classType, field.type);
|
|
// System.out.println("Setting field "+name+" to "+value);
|
|
field.field.set(obj, value);
|
|
// field.field.set(obj, tree.toClass(field.classType, field.type));
|
|
}
|
|
} catch (Exception e) {
|
|
// System.out.println("Exception while setting field "+name+" for class "+objClass+"
|
|
// - "+e);
|
|
Grasscutter.getLogger()
|
|
.error(
|
|
"Exception while setting field "
|
|
+ name
|
|
+ " ("
|
|
+ field.classType
|
|
+ ")"
|
|
+ " for class "
|
|
+ objClass
|
|
+ " - ",
|
|
e);
|
|
}
|
|
});
|
|
return obj;
|
|
} catch (Exception e) {
|
|
// System.out.println("Exception while creating object of class "+objClass+" - "+e);
|
|
Grasscutter.getLogger()
|
|
.error("Exception while creating object of class " + objClass + " - ", e);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public <T> T toArray(Class<T> classType) {
|
|
// Primitives don't play so nice with generics, so we handle all of them individually.
|
|
val containedClass = classType.getComponentType();
|
|
// val arraySize = this.arrayChildren.size(); // Assume dense 0-indexed
|
|
val arraySize = this.arrayChildren.lastIntKey() + 1; // Could be sparse!
|
|
// System.out.println("toArray called with Class: "+classType+" \tContains: "+containedClass+"
|
|
// \tof size: "+arraySize);
|
|
if (containedClass == int.class) {
|
|
val output = new int[arraySize];
|
|
this.arrayChildren.forEach((idx, tree) -> output[idx] = (int) parseNumber(tree.value));
|
|
return (T) output;
|
|
} else if (containedClass == long.class) {
|
|
val output = new long[arraySize];
|
|
this.arrayChildren.forEach((idx, tree) -> output[idx] = (long) parseNumber(tree.value));
|
|
return (T) output;
|
|
} else if (containedClass == float.class) {
|
|
val output = new float[arraySize];
|
|
this.arrayChildren.forEach((idx, tree) -> output[idx] = (float) parseNumber(tree.value));
|
|
return (T) output;
|
|
} else if (containedClass == double.class) {
|
|
val output = new double[arraySize];
|
|
this.arrayChildren.forEach((idx, tree) -> output[idx] = parseNumber(tree.value));
|
|
return (T) output;
|
|
} else if (containedClass == byte.class) {
|
|
val output = new byte[arraySize];
|
|
this.arrayChildren.forEach((idx, tree) -> output[idx] = (byte) parseNumber(tree.value));
|
|
return (T) output;
|
|
} else if (containedClass == char.class) {
|
|
val output = new char[arraySize];
|
|
this.arrayChildren.forEach((idx, tree) -> output[idx] = (char) parseNumber(tree.value));
|
|
return (T) output;
|
|
} else if (containedClass == short.class) {
|
|
val output = new short[arraySize];
|
|
this.arrayChildren.forEach((idx, tree) -> output[idx] = (short) parseNumber(tree.value));
|
|
return (T) output;
|
|
} else if (containedClass == boolean.class) {
|
|
val output = new boolean[arraySize];
|
|
this.arrayChildren.forEach(
|
|
(idx, tree) -> {
|
|
val value =
|
|
(tree.value != null) && !tree.value.isEmpty() && Boolean.parseBoolean(tree.value);
|
|
output[idx] = value;
|
|
});
|
|
return (T) output;
|
|
} else {
|
|
val output = Array.newInstance(containedClass, arraySize);
|
|
this.arrayChildren.forEach(
|
|
(idx, tree) -> ((Object[]) output)[idx] = tree.toClass(containedClass, null));
|
|
return (T) output;
|
|
}
|
|
}
|
|
|
|
private <E> List<E> toList(Class<E> valueClass, Type valueType) {
|
|
val arraySize = this.arrayChildren.lastIntKey() + 1; // Could be sparse!
|
|
// System.out.println("toList called with valueClass: "+valueClass+" \tvalueType:
|
|
// "+valueType+" \tof size: "+arraySize);
|
|
val list = new ArrayList<E>(arraySize);
|
|
// Safe sparse version
|
|
for (int i = 0; i < arraySize; i++) list.add(null);
|
|
this.arrayChildren.forEach((idx, tree) -> list.set(idx, tree.toClass(valueClass, valueType)));
|
|
return list;
|
|
}
|
|
|
|
private <K, V> Map<K, V> toMap(Class<K> keyClass, Class<V> valueClass, Type valueType) {
|
|
val map = new HashMap<K, V>();
|
|
val keyParser = getTypeParser(keyClass);
|
|
this.children.forEach(
|
|
(key, tree) -> {
|
|
if ((key != null) && !key.isEmpty())
|
|
map.put((K) keyParser.apply(key), tree.toClass(valueClass, valueType));
|
|
});
|
|
return map;
|
|
}
|
|
}
|
|
|
|
private TsvUtils() {
|
|
// No instantiation.
|
|
}
|
|
}
|