/*
* Copyright 2013-2017 consulo.io
*
* 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.psi.formatter.common;
import com.intellij.lang.ASTNode;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.util.TextRange;
import com.intellij.psi.PsiDocumentManager;
import com.intellij.psi.PsiFile;
import com.intellij.psi.formatter.IndentRangesCalculator;
import consulo.annotations.RequiredReadAction;
import org.jetbrains.annotations.Nullable;
import java.util.Collections;
import java.util.List;
/**
* @author VISTALL
* @since 01-May-17
* <p>
* from kotlin platform\lang-impl\src\com\intellij\psi\formatter\common\NodeIndentRangesCalculator.kt
*/
public class NodeIndentRangesCalculator {
private ASTNode node;
public NodeIndentRangesCalculator(ASTNode node) {
this.node = node;
}
@RequiredReadAction
public List<TextRange> calculateExtraRanges() {
Document document = retrieveDocument(node);
if (document != null) {
TextRange ranges = node.getTextRange();
return new IndentRangesCalculator(document, ranges).calcIndentRanges();
}
return Collections.singletonList(node.getTextRange());
}
@RequiredReadAction
@Nullable
private Document retrieveDocument(ASTNode node) {
PsiFile file = node.getPsi().getContainingFile();
return PsiDocumentManager.getInstance(node.getPsi().getProject()).getDocument(file);
}
}