/*
* Copyright 2000-2016 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.codeInsight.daemon;
import com.intellij.codeHighlighting.RainbowHighlighter;
import com.intellij.codeInsight.daemon.impl.HighlightInfo;
import com.intellij.codeInsight.daemon.impl.HighlightVisitor;
import com.intellij.codeInsight.daemon.impl.analysis.HighlightInfoHolder;
import com.intellij.openapi.editor.colors.TextAttributesKey;
import com.intellij.openapi.util.UserDataHolderEx;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public abstract class RainbowVisitor implements HighlightVisitor {
private HighlightInfoHolder myHolder;
private RainbowHighlighter myRainbowHighlighter;
@NotNull
@Override
public abstract HighlightVisitor clone();
@NotNull
protected RainbowHighlighter getHighlighter() {
return myRainbowHighlighter;
}
@Override
public final boolean analyze(@NotNull PsiFile file,
boolean updateWholeFile,
@NotNull HighlightInfoHolder holder,
@NotNull Runnable action) {
myHolder = holder;
myRainbowHighlighter = new RainbowHighlighter(myHolder.getColorsScheme());
try {
action.run();
}
finally {
myHolder = null;
myRainbowHighlighter = null;
}
return true;
}
@Override
public int order() {
return 1;
}
protected void addInfo(@Nullable HighlightInfo highlightInfo) {
myHolder.add(highlightInfo);
}
protected HighlightInfo getInfo(@NotNull final PsiElement context,
@NotNull final PsiElement rainbowElement,
@NotNull final String name,
@Nullable final TextAttributesKey colorKey) {
int colorIndex = UsedColors.getOrAddColorIndex((UserDataHolderEx)context, name, getHighlighter().getColorsCount());
return getHighlighter().getInfo(colorIndex, rainbowElement, colorKey);
}
}