xml/dom-impl/src/com/intellij/util/xml/highlighting/DomElementResolveProblemDescriptorImpl.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.util.xml.highlighting;
  17
  18 import com.intellij.codeInsight.daemon.impl.analysis.XmlHighlightVisitor;
  19 import com.intellij.codeInspection.LocalQuickFix;
  20 import com.intellij.lang.annotation.HighlightSeverity;
  21 import com.intellij.psi.PsiReference;
  22 import com.intellij.psi.PsiElement;
  23 import com.intellij.psi.xml.XmlAttributeValue;
  24 import com.intellij.util.xml.GenericDomValue;
  25 import com.intellij.openapi.util.TextRange;
  26 import com.intellij.openapi.util.Pair;
  27 import org.jetbrains.annotations.NotNull;
  28
  29 /**
  30  * @author peter
  31 */
  32 class DomElementResolveProblemDescriptorImpl extends DomElementProblemDescriptorImpl implements DomElementResolveProblemDescriptor {
  33   @NotNull private final PsiReference myReference;
  34
  35   public DomElementResolveProblemDescriptorImpl(@NotNull final GenericDomValue domElement, @NotNull final PsiReference reference, LocalQuickFix... quickFixes) {
  36      super(domElement, XmlHighlightVisitor.getErrorDescription(reference), HighlightSeverity.ERROR, quickFixes);
  37      myReference = reference;
  38   }
  39
  40   @NotNull
  41   public PsiReference getPsiReference() {
  42     return myReference;
  43   }
  44
  45   @NotNull
  46   public GenericDomValue getDomElement() {
  47     return (GenericDomValue)super.getDomElement();
  48   }
  49
  50   @NotNull
  51   protected Pair<TextRange, PsiElement> computeProblemRange() {
  52     final PsiReference reference = myReference;
  53     PsiElement element = reference.getElement();
  54     if (element instanceof XmlAttributeValue && element.getTextLength() == 0) return NO_PROBLEM;
  55
  56     final TextRange referenceRange = reference.getRangeInElement();
  57     if (referenceRange.isEmpty()) {
  58       return element instanceof XmlAttributeValue
  59              ? Pair.create(TextRange.from(referenceRange.getStartOffset() - 1, 2), element)
  60              : Pair.create(TextRange.from(referenceRange.getStartOffset(), 1), element);
  61     }
  62     return Pair.create(referenceRange, element);
  63   }
  64 }