plugins/spellchecker/src/com/intellij/spellchecker/tokenizer/PsiIdentifierOwnerTokenizer.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.spellchecker.tokenizer;
  17
  18 import com.intellij.psi.PsiElement;
  19 import com.intellij.psi.PsiNameIdentifierOwner;
  20 import com.intellij.psi.util.PsiTreeUtil;
  21 import org.jetbrains.annotations.NotNull;
  22 import org.jetbrains.annotations.Nullable;
  23
  24 /**
  25  * Created by IntelliJ IDEA.
  26  *
  27  * @author shkate@jetbrains.com
  28  */
  29 public class PsiIdentifierOwnerTokenizer extends Tokenizer<PsiNameIdentifierOwner> {
  30
  31   @Nullable
  32   @Override
  33   public Token[] tokenize(@NotNull PsiNameIdentifierOwner element) {
  34     PsiElement identifier = element.getNameIdentifier();
  35     if (identifier == null) {
  36       return null;
  37     }
  38     PsiElement parent = element;
  39     int offset = identifier.getTextRange().getStartOffset() - parent.getTextRange().getStartOffset();
  40     if(offset < 0 ) {
  41       parent = PsiTreeUtil.findCommonParent(identifier, element);
  42       offset = identifier.getTextRange().getStartOffset() - parent.getTextRange().getStartOffset();
  43     }
  44     return new Token[]{new Token<PsiElement>(parent, identifier.getText(), true, offset)};
  45   }
  46
  47
  48 }