feat: initial implementation, created interface and moved stuff from processor

1 files changed, 56 insertions, 0 deletions

diff --git a/src/main/java/ftbsc/lll/mapper/IMapper.java b/src/main/java/ftbsc/lll/mapper/IMapper.java
new file mode 100644
index 0000000..8adf860
--- /dev/null
+++ b/src/main/java/ftbsc/lll/mapper/IMapper.java
@@ -0,0 +1,56 @@
+package ftbsc.lll.mapper;
+
+import ftbsc.lll.exceptions.MappingNotFoundException;
+
+import java.util.HashSet;
+import java.util.ServiceLoader;
+import java.util.Set;
+
+/**
+ * A generic obfuscation mapper.
+ */
+public interface IMapper {
+
+	/**
+	 * Reads the given lines of text and attempts to interpret them as
+	 * mappings of the given type.
+	 * @param lines the lines to read
+	 */
+	void populate(Iterable<String> lines);
+
+	/**
+	 * Gets the obfuscated name of the class.
+	 * @param name the unobfuscated internal name of the desired class
+	 * @return the obfuscated name of the class
+	 * @throws MappingNotFoundException if no mapping is found
+	 */
+	String obfuscateClass(String name);
+
+	/**
+	 * Gets the obfuscated name of a class member (field or method).
+	 * @param parentName the unobfuscated internal name of the parent class
+	 * @param memberName the field name or method signature
+	 * @param methodDescriptor the descriptor of the member
+	 * @return the obfuscated name of the given member
+	 * @throws MappingNotFoundException if no mapping is found
+	 */
+	String obfuscateMember(String parentName, String memberName, String methodDescriptor);
+
+	/**
+	 * Loads all valid parsers available in the classpath (via the Java Service API),
+	 * attempts to parse the given lines into mappings, and returns all built mappers
+	 * that succeeded without throwing errors or ftbsc.lll.exceptions.
+	 * @param lines the lines of the mapping file
+	 * @return a {@link Set} of mappers that could interpret the given input
+	 */
+	static Set<IMapper> getMappers(Iterable<String> lines) {
+		Set<IMapper> parsed = new HashSet<>();
+		for(IMapper mapper: ServiceLoader.load(IMapper.class)) {
+			try {
+				mapper.populate(lines);
+				parsed.add(mapper);
+			} catch(Throwable ignored) {}
+		}
+		return parsed;
+	}
+}