/*
 * Copyright 2000-2013 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.jetbrains.python.psi.impl.stubs;

import com.intellij.lang.ASTNode;
import com.intellij.psi.PsiElement;
import com.intellij.psi.stubs.IndexSink;
import com.intellij.psi.stubs.StubElement;
import com.intellij.psi.stubs.StubInputStream;
import com.intellij.psi.stubs.StubOutputStream;
import com.intellij.psi.util.QualifiedName;
import com.jetbrains.python.psi.PyDecorator;
import com.jetbrains.python.psi.PyStubElementType;
import com.jetbrains.python.psi.impl.PyDecoratorImpl;
import com.jetbrains.python.psi.stubs.PyDecoratorStub;
import com.jetbrains.python.psi.stubs.PyDecoratorStubIndex;
import org.jetbrains.annotations.NotNull;

import java.io.IOException;

/**
 * Actual serialized data of a decorator call.
 * User: dcheryasov
 * Date: Dec 18, 2008 9:09:57 PM
 */
public class PyDecoratorCallElementType extends PyStubElementType<PyDecoratorStub, PyDecorator> {
  public PyDecoratorCallElementType() {
    super("DECORATOR_CALL");
  }

  public PsiElement createElement(@NotNull ASTNode node) {
    return new PyDecoratorImpl(node);
  }

  public PyDecorator createPsi(@NotNull PyDecoratorStub stub) {
    return new PyDecoratorImpl(stub);
  }

  public PyDecoratorStub createStub(@NotNull PyDecorator psi, StubElement parentStub) {
    return new PyDecoratorStubImpl(psi.getQualifiedName(), parentStub);
  }

  public void serialize(@NotNull PyDecoratorStub stub, @NotNull StubOutputStream dataStream) throws IOException {
    QualifiedName.serialize(stub.getQualifiedName(), dataStream);
  }

  @Override
  public void indexStub(@NotNull final PyDecoratorStub stub, @NotNull final IndexSink sink) {
    // Index decorators stub by name (todo: index by FQDN as well!)
    final QualifiedName qualifiedName = stub.getQualifiedName();
    if (qualifiedName != null) {
      sink.occurrence(PyDecoratorStubIndex.KEY, qualifiedName.toString());
    }
  }

  @NotNull
  public PyDecoratorStub deserialize(@NotNull StubInputStream dataStream, StubElement parentStub) throws IOException {
    QualifiedName q_name = QualifiedName.deserialize(dataStream);
    return new PyDecoratorStubImpl(q_name, parentStub);
  }
}