| /* |
| * Copyright 2007 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.plugins.relaxNG.references; |
| |
| import com.intellij.codeInsight.daemon.EmptyResolveMessageProvider; |
| import com.intellij.codeInspection.LocalQuickFix; |
| import com.intellij.codeInspection.LocalQuickFixProvider; |
| import com.intellij.codeInspection.XmlQuickFixFactory; |
| import com.intellij.lang.xml.XMLLanguage; |
| import com.intellij.openapi.diagnostic.Logger; |
| 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.XmlElementFactory; |
| import com.intellij.psi.impl.source.resolve.reference.impl.providers.BasicAttributeValueReference; |
| import com.intellij.psi.impl.source.xml.SchemaPrefix; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.psi.xml.XmlAttribute; |
| import com.intellij.psi.xml.XmlAttributeValue; |
| import com.intellij.psi.xml.XmlTag; |
| import com.intellij.util.ArrayUtil; |
| import com.intellij.util.ProcessingContext; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /* |
| * Created by IntelliJ IDEA. |
| * User: sweinreuter |
| * Date: 24.07.2007 |
| */ |
| public class PrefixReferenceProvider extends PsiReferenceProvider { |
| private static final Logger LOG = Logger.getInstance("#org.intellij.plugins.relaxNG.references.PrefixReferenceProvider"); |
| |
| @Override |
| @NotNull |
| public PsiReference[] getReferencesByElement(@NotNull PsiElement element, @NotNull ProcessingContext context) { |
| final XmlAttributeValue value = (XmlAttributeValue)element; |
| |
| final String s = value.getValue(); |
| final int i = s.indexOf(':'); |
| if (i <= 0 || s.startsWith("xml:")) { |
| return PsiReference.EMPTY_ARRAY; |
| } |
| |
| return new PsiReference[]{ |
| new PrefixReference(value, i) |
| }; |
| } |
| |
| private static class PrefixReference extends BasicAttributeValueReference implements EmptyResolveMessageProvider, LocalQuickFixProvider { |
| public PrefixReference(XmlAttributeValue value, int length) { |
| super(value, TextRange.from(1, length)); |
| } |
| |
| @Override |
| @Nullable |
| public PsiElement resolve() { |
| final String prefix = getCanonicalText(); |
| XmlTag tag = PsiTreeUtil.getParentOfType(getElement(), XmlTag.class); |
| while (tag != null) { |
| if (tag.getLocalNamespaceDeclarations().containsKey(prefix)) { |
| final XmlAttribute attribute = tag.getAttribute("xmlns:" + prefix, ""); |
| final TextRange textRange = TextRange.from("xmlns:".length(), prefix.length()); |
| return new SchemaPrefix(attribute, textRange, prefix); |
| } |
| tag = tag.getParentTag(); |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean isReferenceTo(PsiElement element) { |
| if (element instanceof SchemaPrefix && element.getContainingFile() == myElement.getContainingFile()) { |
| final PsiElement e = resolve(); |
| if (e instanceof SchemaPrefix) { |
| final String s = ((SchemaPrefix)e).getName(); |
| return s != null && s.equals(((SchemaPrefix)element).getName()); |
| } |
| } |
| return super.isReferenceTo(element); |
| } |
| |
| @Nullable |
| @Override |
| public LocalQuickFix[] getQuickFixes() { |
| final PsiElement element = getElement(); |
| final XmlElementFactory factory = XmlElementFactory.getInstance(element.getProject()); |
| final String value = ((XmlAttributeValue)element).getValue(); |
| final String[] name = value.split(":"); |
| final XmlTag tag = factory.createTagFromText("<" + (name.length > 1 ? name[1] : value) + " />", XMLLanguage.INSTANCE); |
| |
| return new LocalQuickFix[] { XmlQuickFixFactory.getInstance().createNSDeclarationIntentionFix(tag, getCanonicalText(), null) }; |
| } |
| |
| @Override |
| @NotNull |
| public Object[] getVariants() { |
| return ArrayUtil.EMPTY_OBJECT_ARRAY; |
| } |
| |
| @Override |
| public boolean isSoft() { |
| return false; |
| } |
| |
| @Override |
| @NotNull |
| public String getUnresolvedMessagePattern() { |
| return "Undefined namespace prefix ''{0}''"; |
| } |
| } |
| } |