| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| #include "DOMXPathNSResolverImpl.hpp" |
| #include <xercesc/dom/DOMNode.hpp> |
| #include <xercesc/util/XMLString.hpp> |
| #include <xercesc/util/Janitor.hpp> |
| #include <xercesc/util/XMLString.hpp> |
| |
| XERCES_CPP_NAMESPACE_BEGIN |
| |
| DOMXPathNSResolverImpl::DOMXPathNSResolverImpl(const DOMNode *nodeResolver, MemoryManager* const manager) : |
| fNamespaceBindings(0), |
| fResolverNode(nodeResolver), |
| fManager(manager) |
| { |
| fNamespaceBindings = new (fManager) RefHashTableOf<KVStringPair>(7, true, fManager); |
| } |
| |
| DOMXPathNSResolverImpl::~DOMXPathNSResolverImpl() |
| { |
| delete fNamespaceBindings; |
| } |
| |
| const XMLCh* DOMXPathNSResolverImpl::lookupNamespaceURI(const XMLCh* prefix) const |
| { |
| if(prefix == 0) prefix = XMLUni::fgZeroLenString; |
| |
| if(XMLString::equals(prefix, XMLUni::fgXMLString)) |
| return XMLUni::fgXMLURIName; |
| |
| const KVStringPair *pair = fNamespaceBindings->get((void*)prefix); |
| if(pair) { |
| |
| // An empty namespace URI indicated that this binding was removed |
| // by the user. |
| // |
| if(*pair->getValue() == 0) return NULL; |
| |
| return pair->getValue(); |
| } |
| |
| if(fResolverNode) |
| return fResolverNode->lookupNamespaceURI( |
| *prefix == 0 ? 0 : prefix); // Expects 0 for default namespace. |
| |
| return NULL; |
| } |
| |
| const XMLCh* DOMXPathNSResolverImpl::lookupPrefix(const XMLCh* uri) const |
| { |
| if (uri == 0 || *uri == 0) |
| return 0; |
| |
| if(XMLString::equals(uri, XMLUni::fgXMLURIName)) |
| return XMLUni::fgXMLString; |
| |
| RefHashTableOfEnumerator<KVStringPair> enumerator((RefHashTableOf<KVStringPair>*)fNamespaceBindings); |
| while(enumerator.hasMoreElements()) { |
| KVStringPair &pair = enumerator.nextElement(); |
| if(XMLString::equals(pair.getValue(), uri)) { |
| return pair.getKey(); |
| } |
| } |
| |
| if(fResolverNode) |
| { |
| const XMLCh* r = fResolverNode->lookupPrefix(uri); |
| |
| if (r == 0 && fResolverNode->isDefaultNamespace(uri)) |
| r = XMLUni::fgZeroLenString; |
| |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| void DOMXPathNSResolverImpl::addNamespaceBinding(const XMLCh* prefix, const XMLCh* uri) |
| { |
| if(prefix == 0) prefix = XMLUni::fgZeroLenString; |
| if(uri == 0) uri = XMLUni::fgZeroLenString; |
| |
| KVStringPair* pair = new (fManager) KVStringPair(prefix, uri, fManager); |
| |
| fNamespaceBindings->put((void*)pair->getKey(), pair); |
| } |
| |
| void DOMXPathNSResolverImpl::release() |
| { |
| DOMXPathNSResolverImpl* me=(DOMXPathNSResolverImpl*)this; |
| delete me; |
| } |
| |
| XERCES_CPP_NAMESPACE_END |