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/**
* 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
*
* TXFMC14n := Class that performs C14n canonicalisation
*
* Author(s): Berin Lautenbach
*
* $Id: TXFMC14n.cpp 1125514 2011-05-20 19:08:33Z scantor $
*
*/
#include <xsec/transformers/TXFMC14n.hpp>
#include <xsec/framework/XSECException.hpp>
#include <xsec/transformers/TXFMParser.hpp>
#include <xsec/framework/XSECError.hpp>
XERCES_CPP_NAMESPACE_USE
TXFMC14n::TXFMC14n(DOMDocument *doc) : TXFMBase(doc) {
mp_c14n = NULL;
}
TXFMC14n::~TXFMC14n() {
if (mp_c14n != NULL) {
delete mp_c14n;
}
}
// Methods to set the inputs
void TXFMC14n::setInput(TXFMBase *newInput) {
if (newInput->getOutputType() == TXFMBase::BYTE_STREAM) {
//throw XSECException(XSECException::TransformInputOutputFail, "C14n canonicalisation transform requires DOM_NODES input");
// Need to parse into DOM_NODES
TXFMParser * parser;
XSECnew(parser, TXFMParser(mp_expansionDoc));
try{
parser->setInput(newInput);
}
catch (...) {
delete parser;
input = newInput; // Ensure chain will be deleted.
throw;
}
input = parser;
}
else
input = newInput;
// Set up for comments - by default we ALWAYS strip comments
keepComments = false;
TXFMBase::nodeType type = input->getNodeType();
switch (type) {
case TXFMBase::DOM_NODE_DOCUMENT :
XSECnew(mp_c14n, XSECC14n20010315(input->getDocument()));
// Expand name spaces
//input->expandNameSpaces();
break;
case TXFMBase::DOM_NODE_DOCUMENT_NODE :
case TXFMBase::DOM_NODE_DOCUMENT_FRAGMENT :
XSECnew(mp_c14n, XSECC14n20010315(input->getDocument(), input->getFragmentNode()));
//input->expandNameSpaces();
break;
case TXFMBase::DOM_NODE_XPATH_NODESET :
XSECnew(mp_c14n, XSECC14n20010315(input->getDocument()));
mp_c14n->setXPathMap(input->getXPathNodeList());
break;
default :
throw XSECException(XSECException::XPathError);
}
mp_c14n->setCommentsProcessing(keepComments); // By default we strip comments
// Do we use the namespace map?
mp_c14n->setUseNamespaceStack(!input->nameSpacesExpanded());
}
void TXFMC14n::activateComments(void) {
if (input != NULL)
keepComments = input->getCommentsStatus();
else
keepComments = true;
if (mp_c14n != NULL)
mp_c14n->setCommentsProcessing(keepComments);
}
void TXFMC14n::setExclusive() {
if (mp_c14n != NULL)
mp_c14n->setExclusive();
}
void TXFMC14n::setExclusive(safeBuffer & NSList) {
if (mp_c14n != NULL)
mp_c14n->setExclusive((char *) NSList.rawBuffer());
}
void TXFMC14n::setInclusive11() {
if (mp_c14n != NULL)
mp_c14n->setInclusive11();
}
// Methods to get tranform output type and input requirement
TXFMBase::ioType TXFMC14n::getInputType(void) {
return TXFMBase::DOM_NODES;
}
TXFMBase::ioType TXFMC14n::getOutputType(void) {
return TXFMBase::BYTE_STREAM;
}
TXFMBase::nodeType TXFMC14n::getNodeType(void) {
return TXFMBase::DOM_NODE_NONE;
}
// Methods to get output data
unsigned int TXFMC14n::readBytes(XMLByte * const toFill, unsigned int maxToFill) {
if (mp_c14n == NULL)
return 0;
return (unsigned int) mp_c14n->outputBuffer(toFill, maxToFill);
}
DOMDocument * TXFMC14n::getDocument() {
return NULL;
}
DOMNode * TXFMC14n::getFragmentNode() {
return NULL;
}
const XMLCh * TXFMC14n::getFragmentId() {
return NULL; // Empty string
}
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