| /* |
| * 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.xml.util; |
| |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiReference; |
| import com.intellij.psi.PsiReferenceProvider; |
| import com.intellij.psi.impl.source.xml.SchemaPrefixReference; |
| import com.intellij.psi.xml.XmlAttribute; |
| import com.intellij.psi.xml.XmlAttributeValue; |
| import com.intellij.psi.xml.XmlTag; |
| import com.intellij.util.ProcessingContext; |
| import com.intellij.xml.XmlAttributeDescriptor; |
| import com.intellij.xml.impl.schema.XmlAttributeDescriptorImpl; |
| import com.intellij.xml.impl.schema.XmlNSDescriptorImpl; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author Dmitry Avdeev |
| */ |
| public class XmlPrefixReferenceProvider extends PsiReferenceProvider { |
| |
| @NotNull |
| @Override |
| public PsiReference[] getReferencesByElement(@NotNull PsiElement element, @NotNull ProcessingContext context) { |
| XmlAttributeValue attributeValue = (XmlAttributeValue)element; |
| String value = attributeValue.getValue(); |
| if (value == null) return PsiReference.EMPTY_ARRAY; |
| int i = value.indexOf(':'); |
| if (i <= 0) return PsiReference.EMPTY_ARRAY; |
| PsiElement parent = attributeValue.getParent(); |
| if (parent instanceof XmlAttribute && !XmlNSDescriptorImpl.checkSchemaNamespace(((XmlAttribute)parent).getParent())) { |
| XmlAttributeDescriptor descriptor = ((XmlAttribute)parent).getDescriptor(); |
| if (descriptor instanceof XmlAttributeDescriptorImpl) { |
| String type = ((XmlAttributeDescriptorImpl)descriptor).getType(); |
| if (type != null && type.endsWith(":QName")) { |
| String prefix = XmlUtil.findPrefixByQualifiedName(type); |
| String ns = ((XmlTag)descriptor.getDeclaration()).getNamespaceByPrefix(prefix); |
| if (XmlNSDescriptorImpl.checkSchemaNamespace(ns)) { |
| return new PsiReference[] { |
| new SchemaPrefixReference(attributeValue, TextRange.from(1, i), value.substring(0, i), null) |
| }; |
| } |
| } |
| } |
| } |
| return PsiReference.EMPTY_ARRAY; |
| } |
| } |