| /* |
| * Copyright 2005 Sascha Weinreuter |
| * |
| * 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 org.intellij.lang.xpath.xslt.impl.references; |
| |
| import com.intellij.openapi.util.Comparing; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.*; |
| import com.intellij.psi.impl.source.resolve.ResolveCache; |
| import com.intellij.psi.xml.XmlAttribute; |
| import com.intellij.psi.xml.XmlAttributeValue; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| abstract class SimpleAttributeReference implements PsiReference { |
| protected final XmlAttribute myAttribute; |
| |
| protected SimpleAttributeReference(XmlAttribute attribute) { |
| myAttribute = attribute; |
| } |
| |
| @NotNull |
| public String getCanonicalText() { |
| return getTextRange().substring(myAttribute.getValue()); |
| } |
| |
| public PsiElement getElement() { |
| final XmlAttributeValue value = myAttribute.getValueElement(); |
| assert value != null; |
| return value; |
| } |
| |
| public TextRange getRangeInElement() { |
| return getTextRange().shiftRight(1); |
| } |
| |
| public boolean isReferenceTo(PsiElement element) { |
| if (this instanceof PsiPolyVariantReference) { |
| final PsiPolyVariantReference reference = (PsiPolyVariantReference)this; |
| final ResolveResult[] results = reference.multiResolve(false); |
| for (ResolveResult result : results) { |
| if (Comparing.equal(result.getElement(), element)) return true; |
| } |
| return false; |
| } else { |
| return Comparing.equal(resolve(), element); |
| } |
| } |
| |
| public PsiElement bindToElement(@NotNull PsiElement element) throws IncorrectOperationException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public PsiElement handleElementRename(String newElementName) throws IncorrectOperationException { |
| myAttribute.setValue(getTextRange().replace(myAttribute.getValue(), newElementName)); |
| final XmlAttributeValue value = myAttribute.getValueElement(); |
| assert value != null; |
| return value; |
| } |
| |
| @Nullable |
| public final PsiElement resolve() { |
| return ResolveCache.getInstance(myAttribute.getProject()).resolveWithCaching(this, new ResolveCache.Resolver() { |
| @Nullable |
| public PsiElement resolve(@NotNull PsiReference psiReference, boolean b) { |
| return resolveImpl(); |
| } |
| }, false, false); |
| } |
| |
| @Nullable |
| protected abstract PsiElement resolveImpl(); |
| |
| @NotNull |
| protected abstract TextRange getTextRange(); |
| } |