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A packaging of the IntelliJ Community Edition dom-openapi library. This is release number 1 of trunk branch 142.

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/*
 * Copyright 2000-2009 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.intellij.util.xml.reflect;

import com.intellij.pom.PomTarget;
import com.intellij.util.xml.DomElement;
import com.intellij.util.xml.EvaluatedXmlName;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.lang.reflect.Type;
import java.util.Collections;
import java.util.Set;

/**
 * @author peter
 */
public interface CustomDomChildrenDescription extends AbstractDomChildrenDescription {
  @Nullable
  TagNameDescriptor getTagNameDescriptor();

  @Nullable
  AttributeDescriptor getCustomAttributeDescriptor();

  class TagNameDescriptor {

    public static final AttributeDescriptor EMPTY = new AttributeDescriptor();

    public Set getCompletionVariants(@NotNull DomElement parent) {
      return Collections.emptySet();
    }

    @Nullable
    public PomTarget findDeclaration(DomElement parent, @NotNull EvaluatedXmlName name) {
      return null;
    }

    @Nullable
    public PomTarget findDeclaration(@NotNull DomElement child) {
      return child.getChildDescription();
    }
    
  }

  class AttributeDescriptor extends TagNameDescriptor {

    public Type getElementType(DomElement child) {
      throw new UnsupportedOperationException();
    }
  }
}