| /** |
| * 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. |
| */ |
| |
| /* |
| * XSEC |
| * |
| * TXFMParser := A transformer used to transform a byte stream to DOM Nodes |
| * |
| * Author(s): Berin Lautenbach |
| * |
| * $Id$ |
| * |
| */ |
| |
| #include <xsec/transformers/TXFMParser.hpp> |
| #include <xsec/transformers/TXFMChain.hpp> |
| #include <xsec/utils/XSECPlatformUtils.hpp> |
| #include <xsec/framework/XSECError.hpp> |
| #include <xsec/utils/XSECTXFMInputSource.hpp> |
| |
| #include <xercesc/parsers/XercesDOMParser.hpp> |
| #include <xercesc/framework/MemBufInputSource.hpp> |
| #include <xercesc/util/Janitor.hpp> |
| |
| XERCES_CPP_NAMESPACE_USE |
| |
| TXFMParser::TXFMParser(DOMDocument * doc) : |
| TXFMBase(doc), |
| mp_parsedDoc(NULL) { |
| |
| |
| }; |
| |
| TXFMParser::~TXFMParser() { |
| |
| if (mp_parsedDoc != NULL) { |
| |
| if (mp_nse != NULL) { |
| delete mp_nse; // Don't bother collapsing |
| mp_nse = NULL; |
| } |
| |
| mp_parsedDoc->release(); |
| |
| } |
| |
| mp_parsedDoc = NULL; |
| |
| |
| }; |
| |
| // ----------------------------------------------------------------------- |
| // For expanding name spaces when necessary |
| // ----------------------------------------------------------------------- |
| |
| bool TXFMParser::nameSpacesExpanded(void) const { |
| |
| // NOTE : Do not check inputs as this has its own document |
| |
| return (mp_nse != NULL); |
| |
| } |
| |
| void TXFMParser::expandNameSpaces(void) { |
| |
| if (mp_nse != NULL) |
| return; // Already done |
| |
| if (mp_parsedDoc != NULL) { |
| |
| XSECnew(mp_nse, XSECNameSpaceExpander(mp_parsedDoc)); |
| |
| mp_nse->expandNameSpaces(); |
| |
| } |
| |
| } |
| |
| // ----------------------------------------------------------------------- |
| // Worker function |
| // ----------------------------------------------------------------------- |
| |
| void TXFMParser::setInput(TXFMBase *newInput) { |
| |
| // This transformer terminates all previous inputs and deletes |
| // the chain. |
| |
| input = newInput; |
| |
| // Create a InputStream |
| TXFMChain * chain; |
| XSECnew(chain, TXFMChain(newInput, false)); |
| Janitor<TXFMChain> j_chain(chain); |
| |
| XSECTXFMInputSource is(chain, false); |
| |
| // Create a XercesParser and parse! |
| XercesDOMParser parser; |
| |
| parser.setDoNamespaces(true); |
| parser.setLoadExternalDTD(false); |
| |
| SecurityManager securityManager; |
| securityManager.setEntityExpansionLimit(XSEC_ENTITY_EXPANSION_LIMIT); |
| parser.setSecurityManager(&securityManager); |
| |
| parser.parse(is); |
| XMLSize_t errorCount = parser.getErrorCount(); |
| if (errorCount > 0) |
| throw XSECException(XSECException::XSLError, "Errors occurred parsing BYTE STREAM"); |
| |
| mp_parsedDoc = parser.adoptDocument(); |
| |
| // Clean up |
| |
| keepComments = newInput->getCommentsStatus(); |
| |
| } |
| |
| // Methods to get tranform output type and input requirement |
| |
| TXFMBase::ioType TXFMParser::getInputType(void) const { |
| |
| return TXFMBase::BYTE_STREAM; |
| |
| } |
| |
| TXFMBase::ioType TXFMParser::getOutputType(void) const { |
| |
| return TXFMBase::DOM_NODES; |
| |
| } |
| |
| |
| TXFMBase::nodeType TXFMParser::getNodeType(void) const { |
| |
| return TXFMBase::DOM_NODE_DOCUMENT; |
| |
| } |
| |
| // Methods to get output data |
| |
| unsigned int TXFMParser::readBytes(XMLByte * const toFill, unsigned int maxToFill) { |
| |
| return 0; |
| |
| } |
| |
| DOMDocument *TXFMParser::getDocument() const { |
| |
| return mp_parsedDoc; |
| |
| } |