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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.
*/
/*
* $Id: NamedNodeMapImpl.cpp 568078 2007-08-21 11:43:25Z amassari $
*/
#include "NamedNodeMapImpl.hpp"
#include "NodeVector.hpp"
#include "AttrImpl.hpp"
#include "DOM_DOMException.hpp"
#include "DocumentImpl.hpp"
XERCES_CPP_NAMESPACE_BEGIN
int NamedNodeMapImpl::gLiveNamedNodeMaps = 0;
int NamedNodeMapImpl::gTotalNamedNodeMaps = 0;
NamedNodeMapImpl::NamedNodeMapImpl(NodeImpl *ownerNod)
{
this->ownerNode=ownerNod;
this->nodes = null;
this->readOnly = false;
this->refCount = 1;
gLiveNamedNodeMaps++;
gTotalNamedNodeMaps++;
};
NamedNodeMapImpl::~NamedNodeMapImpl()
{
if (nodes)
{
// It is the responsibility of whoever was using the named node
// map to do any cleanup on the nodes contained in the map
// before deleting it.
delete nodes;
nodes = 0;
}
gLiveNamedNodeMaps--;
};
void NamedNodeMapImpl::addRef(NamedNodeMapImpl *This)
{
if (This)
++This->refCount;
};
NamedNodeMapImpl *NamedNodeMapImpl::cloneMap(NodeImpl *ownerNod)
{
MemoryManager* manager = ownerNod->getDocument()->getMemoryManager();
NamedNodeMapImpl *newmap = new (manager) NamedNodeMapImpl(ownerNod);
if (nodes != null)
{
newmap->nodes = new (manager) NodeVector(nodes->size(), manager);
for (unsigned int i = 0; i < nodes->size(); ++i)
{
NodeImpl *n = nodes->elementAt(i)->cloneNode(true);
n->isSpecified(nodes->elementAt(i)->isSpecified());
n->ownerNode = ownerNod;
n->isOwned(true);
newmap->nodes->addElement(n);
}
}
return newmap;
};
//
// removeAll - This function removes all elements from a named node map.
// It is called from the destructors for Elements and DocumentTypes,
// to remove the contents when the owning Element or DocType goes
// away. The empty NamedNodeMap may persist if the user code
// has a reference to it.
//
// AH Revist - the empty map should be made read-only, since
// adding it was logically part of the [Element, DocumentType]
// that has been deleted, and adding anything new to it would
// be meaningless, and almost certainly an error.
//
void NamedNodeMapImpl::removeAll()
{
if (nodes)
{
for (int i=nodes->size()-1; i>=0; i--)
{
NodeImpl *n = nodes->elementAt(i);
n->ownerNode = ownerNode->getOwnerDocument();
n->isOwned(false);
if (n->nodeRefCount == 0)
NodeImpl::deleteIf(n);
}
delete nodes;
nodes = null;
}
}
int NamedNodeMapImpl::findNamePoint(const DOMString &name)
{
// Binary search
int i=0;
if(nodes!=null)
{
int first=0,last=nodes->size()-1;
while(first<=last)
{
i=(first+last)/2;
int test = name.compareString(nodes->elementAt(i)->getNodeName());
if(test==0)
return i; // Name found
else if(test<0)
last=i-1;
else
first=i+1;
}
if(first>i) i=first;
}
/********************
// Linear search
int i = 0;
if (nodes != null)
for (i = 0; i < nodes.size(); ++i)
{
int test = name.compareTo(((NodeImpl *) (nodes.elementAt(i))).getNodeName());
if (test == 0)
return i;
else
if (test < 0)
{
break; // Found insertpoint
}
}
*******************/
return -1 - i; // not-found has to be encoded.
};
unsigned int NamedNodeMapImpl::getLength()
{
return (nodes != null) ? nodes->size() : 0;
};
NodeImpl * NamedNodeMapImpl::getNamedItem(const DOMString &name)
{
int i=findNamePoint(name);
return (i<0) ? null : (NodeImpl *)(nodes->elementAt(i));
};
NodeImpl * NamedNodeMapImpl::item(unsigned int index)
{
return (nodes != null && index < nodes->size()) ?
(NodeImpl *) (nodes->elementAt(index)) : null;
};
//
// removeNamedItem() - Remove the named item, and return it.
// The caller must arrange for deletion of the
// returned item if its refcount has gone to zero -
// we can't do it here because the caller would
// never see the returned node.
//
NodeImpl * NamedNodeMapImpl::removeNamedItem(const DOMString &name)
{
if (readOnly)
throw DOM_DOMException(
DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR, null);
int i=findNamePoint(name);
NodeImpl *n = null;
if(i<0)
throw DOM_DOMException(DOM_DOMException::NOT_FOUND_ERR, null);
n = (NodeImpl *) (nodes->elementAt(i));
nodes->removeElementAt(i);
n->ownerNode = ownerNode->getOwnerDocument();
n->isOwned(false);
return n;
};
void NamedNodeMapImpl::removeRef(NamedNodeMapImpl *This)
{
if (This && --This->refCount == 0)
delete This;
};
//
// setNamedItem() Put the item into the NamedNodeList by name.
// If an item with the same name already was
// in the list, replace it. Return the old
// item, if there was one.
// Caller is responsible for arranging for
// deletion of the old item if its ref count is
// zero.
//
NodeImpl * NamedNodeMapImpl::setNamedItem(NodeImpl * arg)
{
if(arg->getOwnerDocument() != ownerNode->getOwnerDocument())
throw DOM_DOMException(DOM_DOMException::WRONG_DOCUMENT_ERR,null);
if (readOnly)
throw DOM_DOMException(DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR, null);
if ((arg->getNodeType() == DOM_Node::ATTRIBUTE_NODE) && arg->isOwned() && (arg->ownerNode != ownerNode))
throw DOM_DOMException(DOM_DOMException::INUSE_ATTRIBUTE_ERR,null);
arg->ownerNode = ownerNode;
arg->isOwned(true);
int i=findNamePoint(arg->getNodeName());
NodeImpl * previous=null;
if(i>=0)
{
previous = nodes->elementAt(i);
nodes->setElementAt(arg,i);
}
else
{
i=-1-i; // Insert point (may be end of list)
if(null==nodes) {
MemoryManager* manager = ownerNode->getDocument()->getMemoryManager();
nodes=new (manager) NodeVector(manager);
}
nodes->insertElementAt(arg,i);
}
if (previous != null) {
previous->ownerNode = ownerNode->getOwnerDocument();
previous->isOwned(false);
}
return previous;
};
void NamedNodeMapImpl::setReadOnly(bool readOnl, bool deep)
{
this->readOnly=readOnl;
if(deep && nodes!=null)
{
//Enumeration e=nodes->elements();
//while(e->hasMoreElements())
// ((NodeImpl)e->nextElement())->setReadOnly(readOnl,deep);
int sz = nodes->size();
for (int i=0; i<sz; ++i) {
nodes->elementAt(i)->setReadOnly(readOnl, deep);
}
}
};
//Introduced in DOM Level 2
int NamedNodeMapImpl::findNamePoint(const DOMString &namespaceURI,
const DOMString &localName)
{
if (nodes == null)
return -1;
// This is a linear search through the same nodes Vector.
// The Vector is sorted on the DOM Level 1 nodename.
// The DOM Level 2 NS keys are namespaceURI and Localname,
// so we must linear search thru it.
// In addition, to get this to work with nodes without any namespace
// (namespaceURI and localNames are both null) we then use the nodeName
// as a secondary key.
int i, len = nodes -> size();
for (i = 0; i < len; ++i) {
NodeImpl *node = nodes -> elementAt(i);
if (! node -> getNamespaceURI().equals(namespaceURI)) //URI not match
continue;
DOMString nNamespaceURI = node->getNamespaceURI();
DOMString nLocalName = node->getLocalName();
if (namespaceURI == null) {
if (nNamespaceURI == null
&&
(localName.equals(nLocalName)
||
(nLocalName == null && localName.equals(node->getNodeName()))))
return i;
} else {
if (namespaceURI.equals(nNamespaceURI)
&&
localName.equals(nLocalName))
return i;
}
}
return -1; //not found
}
NodeImpl *NamedNodeMapImpl::getNamedItemNS(const DOMString &namespaceURI,
const DOMString &localName)
{
int i = findNamePoint(namespaceURI, localName);
return i < 0 ? null : nodes -> elementAt(i);
}
//
// setNamedItemNS() Put the item into the NamedNodeList by name.
// If an item with the same name already was
// in the list, replace it. Return the old
// item, if there was one.
// Caller is responsible for arranging for
// deletion of the old item if its ref count is
// zero.
//
NodeImpl * NamedNodeMapImpl::setNamedItemNS(NodeImpl *arg)
{
if (arg->getOwnerDocument() != ownerNode->getOwnerDocument())
throw DOM_DOMException(DOM_DOMException::WRONG_DOCUMENT_ERR,null);
if (readOnly)
throw DOM_DOMException(DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR, null);
if (arg->isOwned())
throw DOM_DOMException(DOM_DOMException::INUSE_ATTRIBUTE_ERR,null);
arg->ownerNode = ownerNode;
arg->isOwned(true);
int i=findNamePoint(arg->getNamespaceURI(), arg->getLocalName());
NodeImpl *previous=null;
if(i>=0) {
previous = nodes->elementAt(i);
nodes->setElementAt(arg,i);
} else {
i=findNamePoint(arg->getNodeName()); // Insert point (may be end of list)
if (i<0)
i = -1 - i;
if(null==nodes) {
MemoryManager* manager = ownerNode->getDocument()->getMemoryManager();
nodes=new (manager) NodeVector(manager);
}
nodes->insertElementAt(arg,i);
}
if (previous != null) {
previous->ownerNode = ownerNode->getOwnerDocument();
previous->isOwned(false);
}
return previous;
};
// removeNamedItemNS() - Remove the named item, and return it.
// The caller must arrange for deletion of the
// returned item if its refcount has gone to zero -
// we can't do it here because the caller would
// never see the returned node.
NodeImpl *NamedNodeMapImpl::removeNamedItemNS(const DOMString &namespaceURI,
const DOMString &localName)
{
if (readOnly)
throw DOM_DOMException(
DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR, null);
int i = findNamePoint(namespaceURI, localName);
if (i < 0)
throw DOM_DOMException(DOM_DOMException::NOT_FOUND_ERR, null);
NodeImpl * n = nodes -> elementAt(i);
nodes -> removeElementAt(i); //remove n from nodes
n->ownerNode = ownerNode->getOwnerDocument();
n->isOwned(false);
return n;
}
/**
* NON-DOM
* set the ownerDocument of this node, its children, and its attributes
*/
void NamedNodeMapImpl::setOwnerDocument(DocumentImpl *doc) {
if (nodes != null) {
for (unsigned int i = 0; i < nodes->size(); i++) {
item(i)->setOwnerDocument(doc);
}
}
}
void NamedNodeMapImpl::cloneContent(NamedNodeMapImpl *srcmap) {
if ((srcmap != null) && (srcmap->nodes != null) && (srcmap->nodes->size() > 0))
{
if (nodes != null) {
delete nodes;
}
MemoryManager* manager = ownerNode->getDocument()->getMemoryManager();
nodes = new (manager) NodeVector(srcmap->nodes->size(), manager);
for (unsigned int i = 0; i < srcmap->nodes->size(); i++)
{
NodeImpl *n = srcmap->nodes->elementAt(i);
NodeImpl *clone = n->cloneNode(true);
clone->isSpecified(n->isSpecified());
clone->ownerNode = ownerNode;
clone->isOwned(true);
nodes->addElement(clone);
// n = null;
// clone = null;
}
}
}
XERCES_CPP_NAMESPACE_END