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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
*
* XSECNameSpaceExander := Class for expanding out a document's name space axis
* and then shrinking again
*
* $Id: XSECNameSpaceExpander.cpp 1125514 2011-05-20 19:08:33Z scantor $
*
*/
// XSEC Includes
#include <xsec/utils/XSECNameSpaceExpander.hpp>
#include <xsec/dsig/DSIGConstants.hpp>
#include <xsec/framework/XSECError.hpp>
#include <xsec/utils/XSECDOMUtils.hpp>
XERCES_CPP_NAMESPACE_USE
XSECNameSpaceExpander::XSECNameSpaceExpander(DOMDocument *d) {
mp_doc = d;
mp_fragment = d->getDocumentElement();
XSECnew(mp_formatter, XSECSafeBufferFormatter("UTF-8",XMLFormatter::NoEscapes,
XMLFormatter::UnRep_CharRef));
m_expanded = false;
}
XSECNameSpaceExpander::XSECNameSpaceExpander(DOMElement *f) {
mp_doc = NULL;
mp_fragment = f;
XSECnew(mp_formatter, XSECSafeBufferFormatter("UTF-8",XMLFormatter::NoEscapes,
XMLFormatter::UnRep_CharRef));
m_expanded = false;
}
XSECNameSpaceExpander::~XSECNameSpaceExpander() {
if (mp_formatter != NULL)
delete mp_formatter;
}
void XSECNameSpaceExpander::recurse(DOMElement *n) {
// Recursively go down the tree adding namespaces
DOMNode *p = n->getParentNode();
if (p->getNodeType() != DOMNode::ELEMENT_NODE)
return;
DOMNamedNodeMap *pmap = p->getAttributes();
XMLSize_t psize = pmap->getLength();
DOMNamedNodeMap *nmap = n->getAttributes();
safeBuffer pname, pURI, nURI;
DOMNode *finder;
XSECNameSpaceEntry * tmpEnt;
for (XMLSize_t i = 0; i < psize; i++) {
// Run through each parent node to find namespaces
pname << (*mp_formatter << pmap->item(i)->getNodeName());
// See if this is an xmlns node
if (pname.sbStrncmp("xmlns", 5) == 0) {
// It is - see if it already exists
finder = nmap->getNamedItem(pname.sbStrToXMLCh());
if (finder == 0) {
// Need to add
n->setAttributeNS(DSIGConstants::s_unicodeStrURIXMLNS,
pmap->item(i)->getNodeName(),
pmap->item(i)->getNodeValue());
// Add it to the list so it can be removed later
XSECnew(tmpEnt, XSECNameSpaceEntry);
tmpEnt->m_name.sbStrcpyIn(pname);
tmpEnt->mp_node = n;
tmpEnt->mp_att = nmap->getNamedItem(pname.sbStrToXMLCh());
m_lst.push_back(tmpEnt);
}
}
}
// Do the children
DOMNode *c;
c = n->getFirstChild();
while (c != NULL) {
if (c->getNodeType() == DOMNode::ELEMENT_NODE)
recurse((DOMElement *) c);
c = c->getNextSibling();
}
}
int attNodeCount(DOMElement * d) {
XMLSize_t ret;
ret = d->getAttributes()->getLength();
DOMNode *c;
c = d->getFirstChild();
while (c != NULL) {
if (c->getNodeType() == DOMNode::ELEMENT_NODE)
ret += attNodeCount((DOMElement *) c);
c = c->getNextSibling();
}
return (int) ret;
}
void XSECNameSpaceExpander::expandNameSpaces(void) {
if (m_expanded)
return; // Don't do this twice!
DOMElement *docElt; // The document element - do not expand it's namespaces
docElt = mp_fragment; //mp_doc->getDocumentElement();
DOMNode *c;
c = docElt->getFirstChild();
while (c != NULL) {
if (c->getNodeType() == DOMNode::ELEMENT_NODE)
recurse((DOMElement *) c);
c = c->getNextSibling();
}
m_expanded = true;
}
void XSECNameSpaceExpander::deleteAddedNamespaces(void) {
NameSpaceEntryListVectorType::size_type size = m_lst.size();
XSECNameSpaceEntry *e;
NameSpaceEntryListVectorType::size_type i;
for (i = 0; i < size; ++i) {
// Delete the element attribute, and then this node
e = m_lst[i];
if (e->m_name[5] == ':')
e->mp_node->removeAttributeNS(DSIGConstants::s_unicodeStrURIXMLNS,
MAKE_UNICODE_STRING((char *) &((e->m_name.rawBuffer())[6])));
else
e->mp_node->removeAttributeNS(DSIGConstants::s_unicodeStrURIXMLNS,
MAKE_UNICODE_STRING((char *) e->m_name.rawBuffer()));
// Delete the entry
delete e;
}
// Now done - empty everything
m_lst.clear();
m_expanded = false;
}
bool XSECNameSpaceExpander::nodeWasAdded(DOMNode *n) {
NameSpaceEntryListVectorType::size_type size = m_lst.size();
XSECNameSpaceEntry *e;
NameSpaceEntryListVectorType::size_type i;
for (i = 0; i < size; ++i) {
// Delete the element attribute, and then this node
e = m_lst[i];
if (e->mp_att == n)
return true;
}
return false;
}
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