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/*
* Copyright 2000-2012 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.spellchecker;
import com.intellij.codeInsight.AnnotationUtil;
import com.intellij.psi.JavaTokenType;
import com.intellij.psi.PsiLanguageInjectionHost;
import com.intellij.psi.PsiLiteralExpression;
import com.intellij.psi.PsiModifierListOwner;
import com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil;
import com.intellij.psi.impl.source.tree.java.PsiLiteralExpressionImpl;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.spellchecker.inspections.PlainTextSplitter;
import com.intellij.spellchecker.tokenizer.EscapeSequenceTokenizer;
import com.intellij.spellchecker.tokenizer.TokenConsumer;
import com.intellij.spellchecker.tokenizer.Tokenizer;
import org.jetbrains.annotations.NotNull;
import java.util.Collections;
/**
* @author shkate@jetbrains.com
*/
public class LiteralExpressionTokenizer extends Tokenizer<PsiLiteralExpression> {
@Override
public void tokenize(@NotNull PsiLiteralExpression element, TokenConsumer consumer) {
PsiLiteralExpressionImpl literalExpression = (PsiLiteralExpressionImpl) element;
if (literalExpression.getLiteralElementType() != JavaTokenType.STRING_LITERAL) {
return; // not a string literal
}
if (InjectedLanguageUtil.hasInjections((PsiLanguageInjectionHost)element)) return;
final PsiModifierListOwner listOwner = PsiTreeUtil.getParentOfType(element, PsiModifierListOwner.class);
if (listOwner != null && AnnotationUtil.isAnnotated(listOwner, Collections.singleton(AnnotationUtil.NON_NLS), false, false)) {
return;
}
String text = literalExpression.getInnerText();
if (text == null) {
return;
}
if (!text.contains("\\")) {
consumer.consumeToken(element, PlainTextSplitter.getInstance());
}
else {
processTextWithEscapeSequences(element, text, consumer);
}
}
public static void processTextWithEscapeSequences(PsiLiteralExpression element, String text, TokenConsumer consumer) {
StringBuilder unescapedText = new StringBuilder();
int[] offsets = new int[text.length()+1];
PsiLiteralExpressionImpl.parseStringCharacters(text, unescapedText, offsets);
EscapeSequenceTokenizer.processTextWithOffsets(element, consumer, unescapedText, offsets, 1);
}
}
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