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Scanner.java
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Scanner.java
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/*
* Copyright (c) Forge Development LLC and contributors
* SPDX-License-Identifier: LGPL-2.1-only
*/
package net.minecraftforge.fml.loading.moddiscovery;
import com.mojang.logging.LogUtils;
import net.minecraftforge.fml.loading.LogMarkers;
import net.minecraftforge.forgespi.language.IModLanguageProvider;
import net.minecraftforge.forgespi.language.ModFileScanData;
import org.objectweb.asm.ClassReader;
import org.slf4j.Logger;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
public class Scanner {
private static final Logger LOGGER = LogUtils.getLogger();
private final ModFile fileToScan;
public Scanner(final ModFile fileToScan) {
this.fileToScan = fileToScan;
}
public ModFileScanData scan() {
ModFileScanData result = new ModFileScanData();
result.addModFileInfo(fileToScan.getModFileInfo());
fileToScan.scanFile(p -> fileVisitor(p, result));
final List<IModLanguageProvider> loaders = fileToScan.getLoaders();
if (loaders != null) {
loaders.forEach(loader -> {
LOGGER.debug(LogMarkers.SCAN, "Scanning {} with language loader {}", fileToScan.getFilePath(), loader.name());
loader.getFileVisitor().accept(result);
});
}
return result;
}
private void fileVisitor(final Path path, final ModFileScanData result) {
LOGGER.debug(LogMarkers.SCAN,"Scanning {} path {}", fileToScan, path);
try (InputStream in = Files.newInputStream(path)){
ModClassVisitor mcv = new ModClassVisitor();
ClassReader cr = new ClassReader(in);
cr.accept(mcv, 0);
mcv.buildData(result.getClasses(), result.getAnnotations());
} catch (IOException | IllegalArgumentException e) {
// mark path bad
}
}
}