forked from SteamWar/SteamWar
104 lines
3.5 KiB
Java
104 lines
3.5 KiB
Java
/*
|
|
* This file is a part of the SteamWar software.
|
|
*
|
|
* Copyright (C) 2026 SteamWar.de-Serverteam
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package de.steamwar;
|
|
|
|
import java.io.BufferedReader;
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
import java.io.InputStreamReader;
|
|
import java.nio.charset.StandardCharsets;
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
|
|
/**
|
|
* Parses Fabric-compatible .accesswidener files.
|
|
* <p>
|
|
* Supported format:
|
|
* <pre>
|
|
* accessWidener v2 named
|
|
*
|
|
* # comments are supported
|
|
* accessible class net/minecraft/Foo
|
|
* accessible method net/minecraft/Foo someMethod ()V
|
|
* accessible field net/minecraft/Foo someField I
|
|
* mutable field net/minecraft/Foo someField I
|
|
* extendable class net/minecraft/Foo
|
|
* extendable method net/minecraft/Foo someMethod ()V
|
|
*
|
|
* # transitive variants (expose widening to dependents)
|
|
* transitive-accessible class net/minecraft/Foo
|
|
* </pre>
|
|
*/
|
|
public final class AccessWidenerParser {
|
|
|
|
private AccessWidenerParser() {
|
|
}
|
|
|
|
public static List<AccessWidenerEntry> parse(InputStream in) throws IOException {
|
|
List<AccessWidenerEntry> entries = new ArrayList<>();
|
|
|
|
try (BufferedReader reader = new BufferedReader(new InputStreamReader(in, StandardCharsets.UTF_8))) {
|
|
|
|
String line;
|
|
boolean headerSeen = false;
|
|
|
|
while ((line = reader.readLine()) != null) {
|
|
// Strip inline comments
|
|
int commentIdx = line.indexOf('#');
|
|
if (commentIdx >= 0) line = line.substring(0, commentIdx);
|
|
line = line.strip();
|
|
|
|
if (line.isEmpty()) continue;
|
|
|
|
if (!headerSeen) {
|
|
// First non-blank, non-comment line must be the header
|
|
if (!line.startsWith("accessWidener")) {
|
|
throw new IOException("Missing accessWidener header, got: " + line);
|
|
}
|
|
headerSeen = true;
|
|
continue;
|
|
}
|
|
|
|
AccessWidenerEntry entry = parseLine(line);
|
|
if (entry != null) entries.add(entry);
|
|
}
|
|
}
|
|
|
|
return entries;
|
|
}
|
|
|
|
private static AccessWidenerEntry parseLine(String line) {
|
|
String[] parts = line.split("\\s+");
|
|
if (parts.length < 3) return null;
|
|
|
|
String directive = parts[0]; // accessible / mutable / extendable / transitive-*
|
|
String memberType = parts[1]; // class / method / field
|
|
String target = parts[2]; // internal class name
|
|
|
|
return switch (memberType) {
|
|
case "class" -> new AccessWidenerEntry(directive, "class", target, null, null);
|
|
case "method", "field" -> {
|
|
if (parts.length < 5) yield null;
|
|
yield new AccessWidenerEntry(directive, memberType, target, parts[3], parts[4]);
|
|
}
|
|
default -> null;
|
|
};
|
|
}
|
|
} |