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88
enigma/src/main/java/org/quiltmc/enigma/api/class_provider/ProjectClassProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| package org.quiltmc.enigma.api.class_provider; | ||
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| import org.objectweb.asm.tree.ClassNode; | ||
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| import javax.annotation.Nullable; | ||
| import java.security.InvalidParameterException; | ||
| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.HashSet; | ||
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| public class ProjectClassProvider implements ClassProvider { | ||
| @Nullable | ||
| private final ClassProvider main; | ||
| @Nullable | ||
| private final ClassProvider libraries; | ||
| private final Collection<String> classNames; | ||
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| public ProjectClassProvider(@Nullable ClassProvider main, @Nullable ClassProvider libraries) { | ||
| if (main == null && libraries == null) { | ||
| throw new InvalidParameterException("cannot create a project class provider with both main and library providers as null!"); | ||
| } | ||
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| this.main = main; | ||
| this.libraries = libraries; | ||
| this.classNames = new ArrayList<>(); | ||
| if (main != null) { | ||
| this.classNames.addAll(main.getClassNames()); | ||
| } | ||
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| if (libraries != null) { | ||
| this.classNames.addAll(libraries.getClassNames()); | ||
| } | ||
| } | ||
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| @Nullable | ||
| @Override | ||
| public ClassNode get(String name) { | ||
| // i hate working with nullability and am a bad programmer. btw | ||
| ClassNode mainNode; | ||
| if (this.main != null) { | ||
| mainNode = this.main.get(name); | ||
| if (mainNode != null) { | ||
| return mainNode; | ||
| } | ||
| } | ||
|
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| if (this.libraries != null) { | ||
| return this.libraries.get(name); | ||
| } | ||
|
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| return null; | ||
| } | ||
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| /** | ||
| * Gets the {@linkplain ClassNode} for a class in the main JAR file. The class provider may return a cached result, | ||
| * so it's important to not mutate it. | ||
| * | ||
| * @param name the internal name of the class | ||
| * @return the {@linkplain ClassNode} for that class, or {@code null} if it was not found | ||
| */ | ||
| public ClassNode getMainClass(String name) { | ||
| return this.main != null ? this.main.get(name) : null; | ||
| } | ||
|
|
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| /** | ||
| * Gets the {@linkplain ClassNode} for a class in the provided libraries. The class provider may return a cached result, | ||
| * so it's important to not mutate it. | ||
| * | ||
| * @param name the internal name of the class | ||
| * @return the {@linkplain ClassNode} for that class, or {@code null} if it was not found | ||
| */ | ||
| public ClassNode getLibraryClass(String name) { | ||
| return this.libraries != null ? this.libraries.get(name) : null; | ||
| } | ||
|
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| @Override | ||
| public Collection<String> getClassNames() { | ||
| return this.classNames; | ||
| } | ||
|
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| public Collection<String> getMainClassNames() { | ||
| return this.main != null ? this.main.getClassNames() : new HashSet<>(); | ||
| } | ||
|
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| public Collection<String> getLibraryClassNames() { | ||
| return this.libraries != null ? this.libraries.getClassNames() : new HashSet<>(); | ||
| } | ||
| } |
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