spellchecker/src/com/intellij/spellchecker/tokenizer/XmlTextTokenizer.java

/*
 * 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.spellchecker.tokenizer;

import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiLanguageInjectionHost;
import com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil;
import com.intellij.psi.tree.IElementType;
import com.intellij.psi.xml.XmlElementType;
import com.intellij.psi.xml.XmlText;
import com.intellij.psi.xml.XmlTokenType;
import com.intellij.spellchecker.inspections.PlainTextSplitter;
import org.jetbrains.annotations.NotNull;

public class XmlTextTokenizer extends Tokenizer<XmlText> {
  @Override
  public void tokenize(@NotNull XmlText element, TokenConsumer consumer) {
    if (element instanceof PsiLanguageInjectionHost && InjectedLanguageUtil.hasInjections((PsiLanguageInjectionHost)element)) return;
    processChildren(element, consumer);
  }

  private static void processChildren(PsiElement element, TokenConsumer consumer) {
    final PsiElement[] children = element.getChildren();
    for (PsiElement child : children) {
      IElementType elementType = child.getNode().getElementType();
      if (elementType == XmlTokenType.XML_DATA_CHARACTERS) {
        consumer.consumeToken(child, PlainTextSplitter.getInstance());
      }
      else if (elementType == XmlElementType.XML_CDATA) {
        processChildren(child, consumer);
      }
    }
  }
}