/*
 * 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.
 */

/*
 * @author max
 */
package com.intellij.injected.editor;

import com.intellij.openapi.editor.Document;
import com.intellij.openapi.util.Segment;
import com.intellij.openapi.util.TextRange;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public interface DocumentWindow extends Document {
  @NotNull Document getDelegate();
  int injectedToHost(int injectedOffset);
  @NotNull TextRange injectedToHost(@NotNull TextRange injectedOffset);
  int hostToInjected(int hostOffset);

  /**
   * Use com.intellij.lang.injection.InjectedLanguageManager#intersectWithAllEditableFragments(com.intellij.psi.PsiFile, com.intellij.openapi.util.TextRange)
   * since editable fragments may well spread over several injection hosts
   */
  @Deprecated
  @Nullable
  TextRange intersectWithEditable(@NotNull TextRange range);

  @Nullable
  TextRange getHostRange(int hostOffset);

  int injectedToHostLine(int line);

  @NotNull
  Segment[] getHostRanges();

  boolean areRangesEqual(@NotNull DocumentWindow documentWindow);

  boolean isValid();

  boolean containsRange(int start, int end);
}