| /* |
| * Copyright 2000-2014 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.psi.impl.source.xml; |
| |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiReferenceBase; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.psi.xml.XmlAttribute; |
| import com.intellij.psi.xml.XmlAttributeValue; |
| import com.intellij.psi.xml.XmlElement; |
| import com.intellij.psi.xml.XmlTag; |
| import com.intellij.util.ArrayUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import com.intellij.xml.XmlExtension; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author Konstantin Bulenkov |
| */ |
| public class SchemaPrefixReference extends PsiReferenceBase<XmlElement> implements PossiblePrefixReference { |
| |
| private final SchemaPrefix myPrefix; |
| |
| private final String myName; |
| @Nullable |
| private final TagNameReference myTagNameReference; |
| |
| /** |
| * |
| * @param element XmlAttribute || XmlAttributeValue |
| * @param range |
| * @param name |
| * @param reference |
| */ |
| public SchemaPrefixReference(XmlElement element, TextRange range, String name, @Nullable TagNameReference reference) { |
| super(element, range); |
| myName = name; |
| myTagNameReference = reference; |
| if (myElement instanceof XmlAttribute && (((XmlAttribute)myElement).isNamespaceDeclaration())) { |
| myPrefix = new SchemaPrefix((XmlAttribute)myElement, getRangeInElement(), myName); |
| } |
| else if (myElement instanceof XmlAttributeValue && |
| ((XmlAttribute)myElement.getParent()).getLocalName().equals("prefix")) { |
| myPrefix = SchemaPrefix.createJspPrefix((XmlAttributeValue)myElement, myName); |
| } |
| else { |
| myPrefix = null; |
| } |
| } |
| |
| public String getNamespacePrefix() { |
| return myName; |
| } |
| |
| @Override |
| public SchemaPrefix resolve() { |
| return myPrefix == null ? resolvePrefix(myElement, myName) : myPrefix; |
| } |
| |
| @Override |
| @NotNull |
| public Object[] getVariants() { |
| return ArrayUtil.EMPTY_OBJECT_ARRAY; |
| } |
| |
| @Override |
| public boolean isReferenceTo(PsiElement element) { |
| if (!(element instanceof SchemaPrefix) || !myName.equals(((SchemaPrefix)element).getName())) return false; |
| return super.isReferenceTo(element); |
| } |
| |
| @Override |
| public PsiElement handleElementRename(String name) throws IncorrectOperationException { |
| if (myElement instanceof XmlAttribute) { |
| final XmlAttribute attr = (XmlAttribute)myElement; |
| return ("xmlns".equals(attr.getNamespacePrefix())) |
| ? attr.setName(attr.getNamespacePrefix() + ":" + name) |
| : attr.setName(name + ":" + attr.getLocalName()); |
| } |
| else if (myElement instanceof XmlTag) { |
| final XmlTag tag = (XmlTag)myElement; |
| return tag.setName(name + ":" + tag.getLocalName()); |
| } |
| return super.handleElementRename(name); |
| } |
| |
| @Nullable |
| public static SchemaPrefix resolvePrefix(PsiElement element, String name) { |
| XmlExtension extension = XmlExtension.getExtension(element.getContainingFile()); |
| return extension.getPrefixDeclaration(PsiTreeUtil.getParentOfType(element, XmlTag.class, false), name); |
| } |
| |
| @Override |
| public boolean isSoft() { |
| return true; |
| } |
| |
| @Override |
| public boolean isPrefixReference() { |
| return true; |
| } |
| |
| @Nullable |
| public TagNameReference getTagNameReference() { |
| return myTagNameReference; |
| } |
| } |