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package ftbsc.lll.mapper.impl;
import com.google.auto.service.AutoService;
import ftbsc.lll.exceptions.MalformedMappingsException;
import ftbsc.lll.exceptions.MappingNotFoundException;
import ftbsc.lll.mapper.IMapper;
import ftbsc.lll.mapper.MapperProvider;
import ftbsc.lll.mapper.tools.MappingUtils;
import java.util.ArrayList;
import java.util.List;
/**
* Special mapper type that actually resolves to an ordered
* sequence of mappers applied one after the other.
*/
@AutoService(IMapper.class)
public class MultiMapper implements IMapper {
/**
* The list of mappers.
*/
private final List<IMapper> mapperList = new ArrayList<>();
/**
* Checks whether this mapper can process the given lines.
* @param lines the lines to read
* @return whether this type of mapper can process these lines
*/
@Override
public boolean claim(List<String> lines) {
return lines.get(0).equals("lll multimapper");
}
/**
* Populates the {@link IMapper} given the lines, ignoring errors depending on the
* given ignoreErrors flag.
* @param lines the lines to read
* @param ignoreErrors try to ignore errors and keep going
* @throws MalformedMappingsException if an error is encountered and ignoreErrors is false
*/
@Override
public void populate(List<String> lines, boolean ignoreErrors) throws MalformedMappingsException {
for(int i = 1; i < lines.size(); i++) {
List<String> data = MapperProvider.fetchFromLocalOrRemote(lines.get(i));
IMapper mapper = MapperProvider.getMapper(data);
mapper.populate(data, ignoreErrors);
this.mapperList.add(mapper);
}
}
/**
* Completely resets the mapper, clearing it of all existing mappings.
*/
@Override
public void reset() {
this.mapperList.forEach(IMapper::reset);
this.mapperList.clear();
}
/**
* Gets the obfuscated name of the class.
* @param name the plain 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) throws MappingNotFoundException {
for(IMapper mapper : this.mapperList)
name = mapper.obfuscateClass(name);
return name;
}
/**
* Gets the plain name of the class.
* @param nameObf the obfuscated internal name of the desired class
* @return the plain name of the class
* @throws MappingNotFoundException if no mapping is found
*/
@Override
public String deobfuscateClass(String nameObf) throws MappingNotFoundException {
for(int i = this.mapperList.size() - 1; i >= 0; i--)
nameObf = this.mapperList.get(i).deobfuscateClass(nameObf);
return nameObf;
}
/**
* Gets the obfuscated name of a class member (field or method).
* @param parentName the plain internal name of the parent class
* @param memberName the field name or method signature
* @param methodDescriptor the descriptor of the member (only for methods)
* @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) throws MappingNotFoundException {
for(IMapper mapper : this.mapperList) {
memberName = mapper.obfuscateMember(parentName, memberName, methodDescriptor);
methodDescriptor = MappingUtils.mapMethodDescriptor(methodDescriptor, mapper, false);
parentName = mapper.obfuscateClass(parentName);
}
return memberName;
}
/**
* Gets the plain name of a class member (field or method).
* @param parentName the obfuscated internal name of the parent class
* @param memberName the obfuscated field name or method signature
* @param methodDescriptor the obfuscated descriptor of the member (only for methods)
* @return the plain name of the given member
* @throws MappingNotFoundException if no mapping is found
*/
@Override
public String deobfuscateMember(String parentName, String memberName, String methodDescriptor) throws MappingNotFoundException {
for(int i = this.mapperList.size() - 1; i >= 0; i--) {
IMapper mapper = this.mapperList.get(i);
memberName = mapper.deobfuscateMember(parentName, memberName, methodDescriptor);
methodDescriptor = MappingUtils.mapMethodDescriptor(methodDescriptor, mapper, true);
parentName = mapper.deobfuscateClass(parentName);
}
return memberName;
}
}
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