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author zaaarf <zaaarf@proton.me>2023-06-11 14:48:24 +0200
committer zaaarf <zaaarf@proton.me>2023-06-11 14:48:24 +0200
commit7c427316a675cbe7e81a04294781c59f2606239d (patch)
tree3a4efc720f44205db6c518ee854f03eebf215e7c /src/main/java/ftbsc/lll/mapper/impl
feat: initial implementation, created interface and moved stuff from processor
Diffstat (limited to 'src/main/java/ftbsc/lll/mapper/impl')
-rw-r--r--src/main/java/ftbsc/lll/mapper/impl/TSRGMapper.java72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/main/java/ftbsc/lll/mapper/impl/TSRGMapper.java b/src/main/java/ftbsc/lll/mapper/impl/TSRGMapper.java
new file mode 100644
index 0000000..0fc6489
--- /dev/null
+++ b/src/main/java/ftbsc/lll/mapper/impl/TSRGMapper.java
@@ -0,0 +1,72 @@
+package ftbsc.lll.mapper.impl;
+
+import ftbsc.lll.exceptions.MappingNotFoundException;
+import ftbsc.lll.mapper.IMapper;
+import ftbsc.lll.mapper.tools.ClassData;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Parses a .tsrg file into a mapper capable of converting from
+ * plain names to obfuscated ones and vice versa.
+ */
+public class TSRGMapper implements IMapper {
+
+ /**
+ * A Map containing the deobfuscated names as keys and information about
+ * each class as values.
+ */
+ private final Map<String, ClassData> mappings = new HashMap<>();
+
+ /**
+ * Reads the given lines of text and attempts to interpret them as
+ * mappings of the given type.
+ * @param lines the lines to read
+ */
+ @Override
+ public void populate(Iterable<String> lines) {
+ String currentClass = "";
+ for(String l : lines) {
+ if(l == null) continue;
+ if(l.startsWith("\t"))
+ mappings.get(currentClass).addMember(l);
+ else {
+ String[] sp = l.split(" ");
+ ClassData s = new ClassData(sp[0], sp[1]);
+ currentClass = s.unobf;
+ mappings.put(s.unobf, s);
+ }
+ }
+ }
+
+ /**
+ * 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
+ */
+ @Override
+ public String obfuscateClass(String name) {
+ ClassData data = mappings.get(name.replace('.', '/'));
+ if(data == null)
+ throw new MappingNotFoundException(name);
+ else return data.obf;
+ }
+
+ /**
+ * 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 optional descriptor of the member, may be null or partial
+ * @return the obfuscated name of the given member
+ * @throws MappingNotFoundException if no mapping is found
+ */
+ @Override
+ public String obfuscateMember(String parentName, String memberName, String methodDescriptor) {
+ ClassData data = mappings.get(parentName.replace('.', '/'));
+ if(data == null)
+ throw new MappingNotFoundException(parentName + "::" + memberName);
+ return data.get(memberName, methodDescriptor);
+ }
+}