Files
Mindustry/annotations/src/main/java/io/anuke/annotations/AssetsAnnotationProcessor.java
2019-08-11 16:55:32 -04:00

98 lines
4.2 KiB
Java

package io.anuke.annotations;
import com.squareup.javapoet.*;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.ProcessingEnvironment;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedSourceVersion;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Modifier;
import javax.lang.model.element.TypeElement;
import javax.tools.Diagnostic.Kind;
import javax.tools.StandardLocation;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
@SupportedSourceVersion(SourceVersion.RELEASE_8)
public class AssetsAnnotationProcessor extends AbstractProcessor{
/** Name of the base package to put all the generated classes. */
private static final String packageName = "io.anuke.mindustry.gen";
private int round;
@Override
public synchronized void init(ProcessingEnvironment processingEnv){
super.init(processingEnv);
//put all relevant utils into utils class
Utils.typeUtils = processingEnv.getTypeUtils();
Utils.elementUtils = processingEnv.getElementUtils();
Utils.filer = processingEnv.getFiler();
Utils.messager = processingEnv.getMessager();
}
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv){
if(round++ != 0) return false; //only process 1 round
try{
String path = Paths.get(Utils.filer.createResource(StandardLocation.CLASS_OUTPUT, "no", "no")
.toUri().toURL().toString().substring(System.getProperty("os.name").contains("Windows") ? 6 : "file:".length()))
.getParent().getParent().getParent().getParent().getParent().getParent().toString();
process("Sounds", path + "/assets/sounds", "io.anuke.arc.audio.Sound", "newSound");
process("Musics", path + "/assets/music", "io.anuke.arc.audio.Music", "newMusic");
return true;
}catch(Exception e){
e.printStackTrace();
throw new RuntimeException(e);
}
}
@Override
public Set<String> getSupportedAnnotationTypes() {
return Collections.singleton("*");
}
void process(String classname, String path, String rtype, String loadMethod) throws Exception{
TypeSpec.Builder type = TypeSpec.classBuilder(classname).addModifiers(Modifier.PUBLIC);
MethodSpec.Builder load = MethodSpec.methodBuilder("load").addModifiers(Modifier.PUBLIC, Modifier.STATIC);
MethodSpec.Builder dispose = MethodSpec.methodBuilder("dispose").addModifiers(Modifier.PUBLIC, Modifier.STATIC);
HashSet<String> names = new HashSet<>();
Files.list(Paths.get(path)).forEach(p -> {
String fname = p.getFileName().toString();
String name = p.getFileName().toString();
name = name.substring(0, name.indexOf("."));
if(names.contains(name)){
Utils.messager.printMessage(Kind.ERROR, "Duplicate file name: " + p.toString() + "!");
}else{
names.add(name);
}
if(SourceVersion.isKeyword(name)){
name = name + "s";
}
load.addStatement(name + " = io.anuke.arc.Core.audio."+loadMethod+"(io.anuke.arc.Core.files.internal($S))", path.substring(path.lastIndexOf("/") + 1) + "/" + fname);
dispose.addStatement(name + ".dispose()");
dispose.addStatement(name + " = null");
type.addField(FieldSpec.builder(ClassName.bestGuess(rtype), name, Modifier.STATIC, Modifier.PUBLIC).initializer("new io.anuke.arc.audio.mock.Mock" + rtype.substring(rtype.lastIndexOf(".") + 1)+ "()").build());
//cons.consume(type, fname, name);
});
if(classname.equals("Sounds")){
type.addField(FieldSpec.builder(ClassName.bestGuess(rtype), "none", Modifier.STATIC, Modifier.PUBLIC).initializer("new io.anuke.arc.audio.mock.Mock" + rtype.substring(rtype.lastIndexOf(".") + 1)+ "()").build());
}
type.addMethod(load.build());
type.addMethod(dispose.build());
JavaFile.builder(packageName, type.build()).build().writeTo(Utils.filer);
}
}