| /* |
| * 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.util; |
| |
| import org.intellij.lang.xpath.xslt.context.XsltNamespaceContext; |
| |
| import com.intellij.openapi.util.Comparing; |
| import com.intellij.psi.xml.XmlAttribute; |
| import com.intellij.psi.xml.XmlTag; |
| import com.intellij.psi.xml.XmlElement; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.util.PsiTreeUtil; |
| |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.xml.namespace.QName; |
| |
| public class QNameUtil { |
| public static final QName NONE = null; |
| public static final QName UNRESOLVED = new ExtendedQName("null"); |
| public static final QName ANY = new ExtendedQName("*"); |
| |
| private QNameUtil() { |
| } |
| |
| public static boolean equal(QName q1, QName q2) { |
| if (q1 == UNRESOLVED || q2 == UNRESOLVED) return false; |
| if (q1 == ANY || q2 == ANY) return true; |
| if (Comparing.equal(q1, q2)) return true; |
| |
| if (q1 instanceof ExtendedQName) { |
| return q1.getNamespaceURI().equals(q2.getNamespaceURI()); |
| } else if (q2 instanceof ExtendedQName) { |
| return q2.getNamespaceURI().equals(q1.getNamespaceURI()); |
| } |
| return false; |
| } |
| |
| public static QName createAnyLocalName(String namespace) { |
| return new ExtendedQName(namespace); |
| } |
| |
| @SuppressWarnings({"SimplifiableIfStatement"}) |
| private static boolean isNamespaceDeclared(@Nullable XmlTag tag, String namespace) { |
| if (tag == null) return false; |
| if (tag.getLocalNamespaceDeclarations().containsValue(namespace)) return true; |
| return isNamespaceDeclared(tag.getParentTag(), namespace); |
| } |
| |
| public static QName createQName(@NotNull String qname, @NotNull PsiElement context) { |
| final String[] strings = qname.split(":", 2); |
| if (strings.length == 1) { |
| return new QName(null, qname); |
| } |
| final XmlElement ctx = PsiTreeUtil.getParentOfType(context, XmlElement.class, false); |
| if (ctx == null) return UNRESOLVED; |
| final String uri = XsltNamespaceContext.getNamespaceUriStatic(strings[0], ctx); |
| if (uri == null) return UNRESOLVED; |
| |
| return new QName(uri, strings[1], strings[0]); |
| } |
| |
| public static QName createQName(@NotNull XmlAttribute attribute) { |
| final String name = attribute.getName(); |
| |
| if (name.indexOf(':') != -1) { |
| return new QName(attribute.getNamespace(), attribute.getLocalName()); |
| } else { |
| return new QName(null, attribute.getLocalName()); |
| } |
| } |
| |
| public static QName createQName(@NotNull XmlTag tag) { |
| if (isNamespaceDeclared(tag, tag.getNamespace())) { |
| return new QName(tag.getNamespace(), tag.getLocalName(), tag.getNamespacePrefix()); |
| } else { |
| return new QName(null, tag.getLocalName()); |
| } |
| } |
| |
| static final class ExtendedQName extends QName { |
| ExtendedQName(String namespace) { |
| super(namespace, "*"); |
| } |
| } |
| } |