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package cuchaz.enigma.source;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Multimap;
import cuchaz.enigma.analysis.EntryReference;
import cuchaz.enigma.analysis.Token;
import cuchaz.enigma.gui.SourceRemapper;
import cuchaz.enigma.translation.mapping.EntryResolver;
import cuchaz.enigma.translation.mapping.ResolutionStrategy;
import cuchaz.enigma.translation.representation.entry.Entry;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import java.util.stream.Collectors;
public class SourceIndex {
private String source;
private List<Integer> lineOffsets;
private final TreeMap<Token, EntryReference<Entry<?>, Entry<?>>> tokenToReference;
private final Multimap<EntryReference<Entry<?>, Entry<?>>, Token> referenceToTokens;
private final Map<Entry<?>, Token> declarationToToken;
public SourceIndex() {
tokenToReference = new TreeMap<>();
referenceToTokens = HashMultimap.create();
declarationToToken = Maps.newHashMap();
}
public SourceIndex(String source) {
this();
setSource(source);
}
public void setSource(String source) {
this.source = source;
lineOffsets = Lists.newArrayList();
lineOffsets.add(0);
for (int i = 0; i < this.source.length(); i++) {
if (this.source.charAt(i) == '\n') {
lineOffsets.add(i + 1);
}
}
}
public String getSource() {
return source;
}
public int getLineNumber(int position) {
int line = 0;
for (int offset : lineOffsets) {
if (offset > position) {
break;
}
line++;
}
return line;
}
public int getColumnNumber(int position) {
return position - lineOffsets.get(getLineNumber(position) - 1) + 1;
}
public int getPosition(int line, int column) {
return lineOffsets.get(line - 1) + column - 1;
}
public Iterable<Entry<?>> declarations() {
return declarationToToken.keySet();
}
public Iterable<Token> declarationTokens() {
return declarationToToken.values();
}
public Token getDeclarationToken(Entry<?> entry) {
return declarationToToken.get(entry);
}
public void addDeclaration(Token token, Entry<?> deobfEntry) {
if (token != null) {
EntryReference<Entry<?>, Entry<?>> reference = new EntryReference<>(deobfEntry, token.text);
tokenToReference.put(token, reference);
referenceToTokens.put(reference, token);
declarationToToken.put(deobfEntry, token);
}
}
public Iterable<EntryReference<Entry<?>, Entry<?>>> references() {
return referenceToTokens.keySet();
}
public EntryReference<Entry<?>, Entry<?>> getReference(Token token) {
if (token == null) {
return null;
}
return tokenToReference.get(token);
}
public Iterable<Token> referenceTokens() {
return tokenToReference.keySet();
}
public Token getReferenceToken(int pos) {
Token token = tokenToReference.floorKey(new Token(pos, pos, null));
if (token != null && token.contains(pos)) {
return token;
}
return null;
}
public Collection<Token> getReferenceTokens(EntryReference<Entry<?>, Entry<?>> deobfReference) {
return referenceToTokens.get(deobfReference);
}
public void addReference(Token token, Entry<?> deobfEntry, Entry<?> deobfContext) {
if (token != null) {
EntryReference<Entry<?>, Entry<?>> deobfReference = new EntryReference<>(deobfEntry, token.text, deobfContext);
tokenToReference.put(token, deobfReference);
referenceToTokens.put(deobfReference, token);
}
}
public void resolveReferences(EntryResolver resolver) {
// resolve all the classes in the source references
for (Token token : Lists.newArrayList(referenceToTokens.values())) {
EntryReference<Entry<?>, Entry<?>> reference = tokenToReference.get(token);
EntryReference<Entry<?>, Entry<?>> resolvedReference = resolver.resolveFirstReference(reference, ResolutionStrategy.RESOLVE_CLOSEST);
// replace the reference
tokenToReference.replace(token, resolvedReference);
Collection<Token> tokens = referenceToTokens.removeAll(reference);
referenceToTokens.putAll(resolvedReference, tokens);
}
}
public SourceIndex remapTo(SourceRemapper.Result result) {
SourceIndex remapped = new SourceIndex(result.getSource());
for (Map.Entry<Entry<?>, Token> entry : declarationToToken.entrySet()) {
remapped.declarationToToken.put(entry.getKey(), result.getRemappedToken(entry.getValue()));
}
for (Map.Entry<EntryReference<Entry<?>, Entry<?>>, Collection<Token>> entry : referenceToTokens.asMap().entrySet()) {
EntryReference<Entry<?>, Entry<?>> reference = entry.getKey();
Collection<Token> oldTokens = entry.getValue();
Collection<Token> newTokens = oldTokens
.stream()
.map(result::getRemappedToken)
.collect(Collectors.toList());
remapped.referenceToTokens.putAll(reference, newTokens);
}
for (Map.Entry<Token, EntryReference<Entry<?>, Entry<?>>> entry : tokenToReference.entrySet()) {
remapped.tokenToReference.put(result.getRemappedToken(entry.getKey()), entry.getValue());
}
return remapped;
}
}
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