chore: minor documentation improvements

src/main/java/ftbsc/lll/IInjector.java

@@ -3,6 +3,12 @@ package ftbsc.lll;
 import org.objectweb.asm.tree.ClassNode;
 import org.objectweb.asm.tree.MethodNode;
 
+/**
+ * Patch classes should implement this interface and be declared as services in
+ * the META-INF/services folder (or through modules in Java 9+, but only Java 8
+ * is officially supported).
+ */
+
 public interface IInjector {
 
 	/**
@@ -11,46 +17,46 @@ public interface IInjector {
 	String name();
 
 	/**
-	 * @return reason for patching for this injector, for loggin
+	 * @return reason for this patch, for logging
 	 */
 	default String reason() { return ""; }
 
 	/**
 	 * This is used by the Launch Plugin to identify which classes should be
-	 *  altered, and on which classes this injector should operate.
+	 * altered, and on which classes should this injector operate.
-	 *
+	 * Class name should be dot-separated, for example "net.minecraft.client.Minecraft".
-	 *  Class name should be dot-separated, for example "net.minecraft.client.Minecraft"
+	 * @return class to transform
-	 *
-	 * @return target class to operate onto
 	 */
 	String targetClass();
 
 	/**
-	 * This is used by the Launch Plugin to identify which methods to provide
+	 * This is used by the Launch Plugin to identify the method to transform within
-	 *  to this injector for patching. It should return the Searge name of wanted function.
+	 * the class. It should return the Searge name of target.
-	 *  example: "func_71407_l", which is "tick()" on "Minecraft" class in 1.16.5
+	 * Example: "func_71407_l", which is "tick()" on "Minecraft" class in 1.16.5
 	 *
-	 * @return target method name to operate onto
+	 * @return method to transform
 	 */
 	String methodName();
 
 	/**
-	 * This is used by the Launch Plugin to identify which methods to provide
+	 * This should return the target method's descriptor.
-	 *  to this injector for patching. It should return the method descriptor, with
+	 * Methods in Java may have the same name but different parameters: a descriptor
-	 *  parameters and return types. example: "()V" for void parameters and return.
+	 * compiles that information, as well as the return type, in as little space as
-	 *
+	 * possible.
-	 *  TODO better example...
+	 * Examples:
-	 *
+	 * (IF)V - returns void, takes in int and float
-	 * @return target method name to operate onto
+	 * (Ljava/lang/Object;)I - returns int, takes in a java.lang.Object
+	 * (ILjava/lang/String;)[I - returns int[], takes in an int and a String
+	 * See <a>https://asm.ow2.io/asm4-guide.pdf</a> for a more detailed explanation.
+	 * @return descriptor of method to target.
 	 */
 	String methodDesc();
 
 	/**
-	 * Once the Launch Plugin has identified classes and methods for injectors,
+	 * This method will be called once the Launch Plugin has identified the right class and
-	 *  this method will be called providing the correct class and method nodes for patching.
+	 * method to patch. Override this for the actual patching.
-	 *
+	 * @param clazz  class node currently being patched
-	 * @param clazz  class node which is being patched
+	 * @param method node of method currently being patched
-	 * @param method main method node of requested function for patching
 	 */
 	void inject(ClassNode clazz, MethodNode method);
 }