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/*
* SonarQube
* Copyright (C) 2009-2016 SonarSource SA
* mailto:contact AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.batch.source;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import org.sonar.api.batch.fs.TextRange;
import org.sonar.api.batch.fs.internal.DefaultInputFile;
import org.sonar.api.source.Symbol;
import org.sonar.api.source.Symbolizable;
public class DefaultSymbolTable implements Symbolizable.SymbolTable {
private Map<Symbol, Set<TextRange>> referencesBySymbol;
private DefaultSymbolTable(Map<Symbol, Set<TextRange>> referencesBySymbol) {
this.referencesBySymbol = referencesBySymbol;
}
public Map<Symbol, Set<TextRange>> getReferencesBySymbol() {
return referencesBySymbol;
}
@Override
public List<Symbol> symbols() {
List<Symbol> result = new ArrayList<>();
for (Symbol symbol : referencesBySymbol.keySet()) {
result.add((Symbol) symbol);
}
return result;
}
@Override
public List<Integer> references(Symbol symbol) {
throw new UnsupportedOperationException("references");
}
public static class Builder implements Symbolizable.SymbolTableBuilder {
private static final class FakeSymbol implements Symbol {
@Override
public String getFullyQualifiedName() {
return null;
}
@Override
public int getDeclarationStartOffset() {
return 0;
}
@Override
public int getDeclarationEndOffset() {
return 0;
}
}
private final Map<Symbol, Set<TextRange>> referencesBySymbol = new LinkedHashMap<>();
private final DefaultInputFile inputFile;
public Builder(DefaultInputFile inputFile) {
this.inputFile = inputFile;
}
@Override
public Symbol newSymbol(int fromOffset, int toOffset) {
TextRange declarationRange = inputFile.newRange(fromOffset, toOffset);
DefaultSymbol symbol = new DefaultSymbol(declarationRange, toOffset - fromOffset);
referencesBySymbol.put(symbol, new TreeSet<>(new Comparator<TextRange>() {
@Override
public int compare(TextRange o1, TextRange o2) {
return o1.start().compareTo(o2.start());
}
}));
return symbol;
}
@Override
public void newReference(Symbol symbol, int fromOffset) {
newReference(symbol, fromOffset, fromOffset + ((DefaultSymbol) symbol).getLength());
}
@Override
public void newReference(Symbol symbol, int fromOffset, int toOffset) {
if (!referencesBySymbol.containsKey(symbol)) {
throw new UnsupportedOperationException("Cannot add reference to a symbol in another file");
}
TextRange referenceRange = inputFile.newRange(fromOffset, toOffset);
if (referenceRange.overlap(((DefaultSymbol) symbol).range())) {
throw new UnsupportedOperationException("Cannot add reference (" + fromOffset + ") overlapping " + symbol + " in " + inputFile.key());
}
referencesBySymbol.get(symbol).add(referenceRange);
}
@Override
public Symbolizable.SymbolTable build() {
return new DefaultSymbolTable(referencesBySymbol);
}
}
}
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