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dom2_traversal.cpp

Go to the documentation of this file.

#include "dom/dom_exception.h"
#include "dom/dom_string.h"
#include "xml/dom2_traversalimpl.h"

using namespace DOM;


NodeIterator::NodeIterator()
{
    impl = 0;
}

NodeIterator::NodeIterator(const NodeIterator &other)
{
    impl = other.impl;
    if (impl) impl->ref();
}

NodeIterator::NodeIterator(NodeIteratorImpl *i)
{
    impl = i;
    if (impl) impl->ref();
}

NodeIterator &NodeIterator::operator = (const NodeIterator &other)
{
    if ( impl != other.impl ) {
    if (impl) impl->deref();
    impl = other.impl;
    if (impl) impl->ref();
    }
    return *this;
}

NodeIterator::~NodeIterator()
{
    if (impl) impl->deref();
}

Node NodeIterator::root()
{
    if (impl) return impl->root();
    return 0;
}

unsigned long NodeIterator::whatToShow()
{
    if (impl) return impl->whatToShow();
    return 0;
}

NodeFilter NodeIterator::filter()
{
    if (impl) return impl->filter();
    return 0;
}

bool NodeIterator::expandEntityReferences()
{
    if (impl) return impl->expandEntityReferences();
    return 0;
}

Node NodeIterator::nextNode(  )
{
    if (!impl)
    throw DOMException(DOMException::INVALID_STATE_ERR);

    int exceptioncode = 0;
    NodeImpl *r = impl->nextNode(exceptioncode);
    if (exceptioncode)
    throw DOMException(exceptioncode);
    return r;
}

Node NodeIterator::previousNode(  )
{
    if (!impl)
    throw DOMException(DOMException::INVALID_STATE_ERR);

    int exceptioncode = 0;
    NodeImpl *r = impl->previousNode(exceptioncode);
    if (exceptioncode)
    throw DOMException(exceptioncode);
    return r;
}

void NodeIterator::detach()
{
    if (!impl)
    throw DOMException(DOMException::INVALID_STATE_ERR);

    int exceptioncode = 0;
    impl->detach(exceptioncode);
    if (exceptioncode)
    throw DOMException(exceptioncode);
}

NodeIteratorImpl *NodeIterator::handle() const
{
    return impl;
}

bool NodeIterator::isNull() const
{
    return (impl == 0);
}

// -----------------------------------------------------------

NodeFilter::NodeFilter()
{
    impl = 0;
}

NodeFilter::NodeFilter(const NodeFilter &other)
{
    impl = other.impl;
    if (impl) impl->ref();
}

NodeFilter::NodeFilter(NodeFilterImpl *i)
{
    impl = i;
    if (impl) impl->ref();
}

NodeFilter &NodeFilter::operator = (const NodeFilter &other)
{
    if ( impl != other.impl ) {
    if (impl) impl->deref();
    impl = other.impl;
    if (impl) impl->ref();
    }
    return *this;
}

NodeFilter::~NodeFilter()
{
    if (impl) impl->deref();
}

short NodeFilter::acceptNode(const Node &n)
{
    if (impl) return impl->acceptNode(n);
    return 0;
}

void NodeFilter::setCustomNodeFilter(CustomNodeFilter *custom)
{
    if (impl) impl->setCustomNodeFilter(custom);
}

CustomNodeFilter *NodeFilter::customNodeFilter()
{
    if (impl) return impl->customNodeFilter();
    return 0;
}

NodeFilterImpl *NodeFilter::handle() const
{
    return impl;
}

bool NodeFilter::isNull() const
{
    return (impl == 0);
}

NodeFilter NodeFilter::createCustom(CustomNodeFilter *custom)
{
    NodeFilterImpl *i = new NodeFilterImpl();
    i->setCustomNodeFilter(custom);
    return i;
}

// --------------------------------------------------------------
CustomNodeFilter::CustomNodeFilter()
{
    impl = 0;
}

CustomNodeFilter::~CustomNodeFilter()
{
}

short CustomNodeFilter::acceptNode (const Node &/*n*/)
{
    return NodeFilter::FILTER_ACCEPT;
}

bool CustomNodeFilter::isNull()
{
    return false;
}

DOMString CustomNodeFilter::customNodeFilterType()
{
    return "";
}

// --------------------------------------------------------------

TreeWalker::TreeWalker()
{
    impl = 0;
}

TreeWalker::TreeWalker(const TreeWalker &other)
{
    impl = other.impl;
    if (impl) impl->ref();
}

TreeWalker::TreeWalker(TreeWalkerImpl *i)
{
    impl = i;
    if (impl) impl->ref();
}

TreeWalker & TreeWalker::operator = (const TreeWalker &other)
{
    if ( impl != other.impl ) {
    if (impl) impl->deref();
    impl = other.impl;
    if (impl) impl->ref();
    }

    return *this;
}

TreeWalker::~TreeWalker()
{
    if (impl) impl->deref();
}

Node TreeWalker::root()
{
    if (impl) return impl->getRoot();
    return 0;
}

unsigned long TreeWalker::whatToShow()
{
    if (impl) return impl->getWhatToShow();
    return 0;
}

NodeFilter TreeWalker::filter()
{
    if (impl) return impl->getFilter();
    return 0;
}

bool TreeWalker::expandEntityReferences()
{
    if (impl) return impl->getExpandEntityReferences();
    return false;
}

Node TreeWalker::currentNode()
{
    if (impl) return impl->getCurrentNode();
    return 0;
}

void TreeWalker::setCurrentNode(const Node& _currentNode)
{
    if (impl) impl->setCurrentNode(_currentNode.handle());
}

Node TreeWalker::parentNode()
{
    if (impl) return impl->parentNode();
    return 0;
}

Node TreeWalker::firstChild()
{
    if (impl) return impl->firstChild();
    return 0;
}

Node TreeWalker::lastChild()
{
    if (impl) return impl->lastChild();
    return 0;
}

Node TreeWalker::previousSibling()
{
    if (impl) return impl->previousSibling();
    return 0;
}

Node TreeWalker::nextSibling()
{
    if (impl) return impl->nextSibling();
    return 0;
}

Node TreeWalker::previousNode()
{
    if (impl) return impl->previousNode();
    return 0;
}

Node TreeWalker::nextNode()
{
    if (impl) return impl->nextNode();
    return 0;
}

TreeWalkerImpl *TreeWalker::handle() const
{
    return impl;
}

bool TreeWalker::isNull() const
{
    return (impl == 0);
}

// -----------------------------------------------------------------------

/*DocumentTraversal::DocumentTraversal()
{
}

DocumentTraversal::DocumentTraversal(const DocumentTraversal &other)
{
}

DocumentTraversal &DocumentTraversal::operator = (const DocumentTraversal &other)
{
    DocumentTraversal::operator = (other);
    return *this;
}

DocumentTraversal::~DocumentTraversal()
{
}

NodeIterator DocumentTraversal::createNodeIterator( const Node &root, long whatToShow,
                            const NodeFilter &filter,
                            bool entityReferenceExpansion )
{
    return NodeIterator();
}

TreeWalker DocumentTraversal::createTreeWalker( const Node &root, long whatToShow,
                        const NodeFilter &filter,
                        bool entityReferenceExpansion )
{
    return TreeWalker();
}

*/

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