dom_node.cpp Source File (khtml Library)

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# dom_node.cpp

    00001
    00024 #include "dom/dom_doc.h"
    00025 #include "dom/dom_exception.h"
    00026 #include "dom/dom2_events.h"
    00027 #include "xml/dom_docimpl.h"
    00028 #include "xml/dom_elementimpl.h"
    00029 #include "xml/dom2_eventsimpl.h"
    00030
    00031 #include <qrect.h>
    00032
    00033 using namespace DOM;
    00034
    00035 NamedNodeMap::NamedNodeMap()
    00036 {
    00037     impl = 0;
    00038 }
    00039
    00040 NamedNodeMap::NamedNodeMap(const NamedNodeMap &other)
    00041 {
    00042     impl = other.impl;
    00043     if (impl) impl->ref();
    00044 }
    00045
    00046 NamedNodeMap::NamedNodeMap(NamedNodeMapImpl *i)
    00047 {
    00048     impl = i;
    00049     if (impl) impl->ref();
    00050 }
    00051
    00052 NamedNodeMap &NamedNodeMap::operator = (const NamedNodeMap &other)
    00053 {
    00054     if ( impl != other.impl ) {
    00055         if(impl) impl->deref();
    00056         impl = other.impl;
    00057         if(impl) impl->ref();
    00058     }
    00059     return *this;
    00060 }
    00061
    00062 NamedNodeMap::~NamedNodeMap()
    00063 {
    00064     if(impl) impl->deref();
    00065 }
    00066
    00067 Node NamedNodeMap::getNamedItem( const DOMString &name ) const
    00068 {
    00069     return getNamedItemNS(DOMString(), name);
    00070 }
    00071
    00072 Node NamedNodeMap::setNamedItem( const Node &arg )
    00073 {
    00074     return setNamedItemNS(arg);
    00075 }
    00076
    00077 Node NamedNodeMap::removeNamedItem( const DOMString &name )
    00078 {
    00079     return removeNamedItemNS(DOMString(), name);
    00080 }
    00081
    00082 Node NamedNodeMap::item( unsigned long index ) const
    00083 {
    00084     if (!impl) return 0;
    00085     return impl->item(index);
    00086 }
    00087
    00088 Node NamedNodeMap::getNamedItemNS( const DOMString &namespaceURI, const DOMString &localName ) const
    00089 {
    00090     if (!impl) return 0;
    00091     return impl->getNamedItem(impl->mapId(namespaceURI, localName, true));
    00092 }
    00093
    00094 Node NamedNodeMap::setNamedItemNS( const Node &arg )
    00095 {
    00096     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00097     int exceptioncode = 0;
    00098     Node r = impl->setNamedItem(arg.impl, exceptioncode);
    00099     if (exceptioncode)
    00100         throw DOMException(exceptioncode);
    00101     return r;
    00102 }
    00103
    00104 Node NamedNodeMap::removeNamedItemNS( const DOMString &namespaceURI, const DOMString &localName )
    00105 {
    00106     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00107     int exceptioncode = 0;
    00108     NodeImpl::Id id = impl->mapId(namespaceURI, localName, true);
    00109     NodeImpl* oldItem = impl->getNamedItem(id);
    00110     if (!oldItem) throw DOMException(DOMException::NOT_FOUND_ERR);
    00111
    00112     Node r(oldItem->cloneNode(true));
    00113     impl->removeNamedItem(id, exceptioncode);
    00114     if (exceptioncode)
    00115         throw DOMException(exceptioncode);
    00116     return r;
    00117 }
    00118
    00119 unsigned long NamedNodeMap::length() const
    00120 {
    00121     if (!impl) return 0;
    00122     return impl->length();
    00123 }
    00124
    00125 NamedNodeMapImpl *NamedNodeMap::handle() const throw()
    00126 {
    00127     return impl;
    00128 }
    00129
    00130 bool NamedNodeMap::isNull() const throw()
    00131 {
    00132     return (impl == 0);
    00133 }
    00134
    00135 // ---------------------------------------------------------------------------
    00136
    00137 Node::Node()
    00138 {
    00139     impl = 0;
    00140 }
    00141
    00142 Node::Node(const Node &other)
    00143 {
    00144     impl = other.impl;
    00145     if(impl) impl->ref();
    00146 }
    00147
    00148 Node::Node( NodeImpl *i )
    00149 {
    00150     impl = i;
    00151     if(impl) impl->ref();
    00152 }
    00153
    00154 Node &Node::operator = (const Node &other)
    00155 {
    00156     if(impl != other.impl) {
    00157         if(impl) impl->deref();
    00158         impl = other.impl;
    00159         if(impl) impl->ref();
    00160     }
    00161     return *this;
    00162 }
    00163
    00164 bool Node::operator == (const Node &other)
    00165 {
    00166     return (impl == other.impl);
    00167 }
    00168
    00169 bool Node::operator != (const Node &other)
    00170 {
    00171     return !(impl == other.impl);
    00172 }
    00173
    00174 Node::~Node()
    00175 {
    00176     if(impl) impl->deref();
    00177 }
    00178
    00179 DOMString Node::nodeName() const
    00180 {
    00181     if(impl) return impl->nodeName();
    00182     return DOMString();
    00183 }
    00184
    00185 DOMString Node::nodeValue() const
    00186 {
    00187     // ### should throw exception on plain node ?
    00188     if(impl) return impl->nodeValue();
    00189     return DOMString();
    00190 }
    00191
    00192 void Node::setNodeValue( const DOMString &_str )
    00193 {
    00194     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00195
    00196     int exceptioncode = 0;
    00197     if(impl) impl->setNodeValue( _str,exceptioncode );
    00198     if (exceptioncode)
    00199         throw DOMException(exceptioncode);
    00200 }
    00201
    00202 unsigned short Node::nodeType() const
    00203 {
    00204     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00205     return impl->nodeType();
    00206 }
    00207
    00208 Node Node::parentNode() const
    00209 {
    00210     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00211     return impl->parentNode();
    00212 }
    00213
    00214 NodeList Node::childNodes() const
    00215 {
    00216     if (!impl) return 0;
    00217     return impl->childNodes();
    00218 }
    00219
    00220 Node Node::firstChild() const
    00221 {
    00222     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00223     return impl->firstChild();
    00224 }
    00225
    00226 Node Node::lastChild() const
    00227 {
    00228     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00229     return impl->lastChild();
    00230 }
    00231
    00232 Node Node::previousSibling() const
    00233 {
    00234     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00235     return impl->previousSibling();
    00236 }
    00237
    00238 Node Node::nextSibling() const
    00239 {
    00240     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00241     return impl->nextSibling();
    00242 }
    00243
    00244 NamedNodeMap Node::attributes() const
    00245 {
    00246     if (!impl || !impl->isElementNode()) return 0;
    00247     return static_cast<ElementImpl*>(impl)->attributes();
    00248 }
    00249
    00250 Document Node::ownerDocument() const
    00251 {
    00252     // braindead DOM spec says that ownerDocument
    00253     // should return null if called on the document node
    00254     // we don't do that in the *impl tree to avoid excessive if()'s
    00255     // so we simply hack it here in one central place.
    00256     if (!impl || impl->getDocument() == impl) return Document(false);
    00257
    00258     return impl->getDocument();
    00259 }
    00260
    00261 Node Node::insertBefore( const Node &newChild, const Node &refChild )
    00262 {
    00263     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00264     int exceptioncode = 0;
    00265     NodeImpl *r = impl->insertBefore( newChild.impl, refChild.impl, exceptioncode );
    00266     if (exceptioncode)
    00267         throw DOMException(exceptioncode);
    00268     return r;
    00269 }
    00270
    00271 Node Node::replaceChild( const Node &newChild, const Node &oldChild )
    00272 {
    00273     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00274     int exceptioncode = 0;
    00275     NodeImpl *r = impl->replaceChild( newChild.impl, oldChild.impl, exceptioncode );
    00276     if (exceptioncode)
    00277         throw DOMException(exceptioncode);
    00278     return r;
    00279 }
    00280
    00281 Node Node::removeChild( const Node &oldChild )
    00282 {
    00283     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00284     int exceptioncode = 0;
    00285     NodeImpl *r = impl->removeChild( oldChild.impl, exceptioncode );
    00286     if (exceptioncode)
    00287         throw DOMException(exceptioncode);
    00288     return r;
    00289 }
    00290
    00291 Node Node::appendChild( const Node &newChild )
    00292 {
    00293     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00294     int exceptioncode = 0;
    00295     NodeImpl *r = impl->appendChild( newChild.impl, exceptioncode );
    00296     if (exceptioncode)
    00297         throw DOMException(exceptioncode);
    00298     return r;
    00299 }
    00300
    00301 bool Node::hasAttributes()
    00302 {
    00303     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00304     if (!impl->isElementNode()) return false;
    00305     ElementImpl* e = static_cast<ElementImpl*>(impl);
    00306     return e->attributes(true) && e->attributes(true)->length();
    00307 }
    00308
    00309 bool Node::hasChildNodes(  )
    00310 {
    00311     if (!impl) return false;
    00312     return impl->hasChildNodes();
    00313 }
    00314
    00315 Node Node::cloneNode( bool deep )
    00316 {
    00317     if (!impl) return 0;
    00318     return impl->cloneNode( deep  );
    00319 }
    00320
    00321 void Node::normalize (  )
    00322 {
    00323     if (!impl) return;
    00324     impl->normalize();
    00325 }
    00326
    00327 bool Node::isSupported( const DOMString &feature,
    00328                         const DOMString & /*version*/ ) const
    00329 {
    00330     DOMString upFeature = feature.upper();
    00331     return (upFeature == "HTML" ||
    00332             upFeature == "XML" ||
    00333             upFeature == "CORE");
    00334 }
    00335
    00336 DOMString Node::namespaceURI(  ) const
    00337 {
    00338     if (!impl) return DOMString();
    00339     return impl->getDocument()->namespaceURI(impl->id());
    00340 }
    00341
    00342 DOMString Node::prefix(  ) const
    00343 {
    00344     if (!impl) return DOMString();
    00345     return impl->prefix();
    00346 }
    00347
    00348 void Node::setPrefix(const DOMString &prefix )
    00349 {
    00350     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00351     int exceptioncode = 0;
    00352     impl->setPrefix(prefix,exceptioncode);
    00353     if (exceptioncode)
    00354         throw DOMException(exceptioncode);
    00355 }
    00356
    00357 DOMString Node::localName(  ) const
    00358 {
    00359     if (!impl) return DOMString();
    00360     return impl->localName();
    00361 }
    00362
    00363 void Node::addEventListener(const DOMString &type,
    00364                           EventListener *listener,
    00365                           const bool useCapture)
    00366 {
    00367     if (!impl) return;
    00368     if (listener)
    00369         impl->addEventListener(EventImpl::typeToId(type),listener,useCapture);
    00370 }
    00371
    00372 void Node::removeEventListener(const DOMString &type,
    00373                              EventListener *listener,
    00374                              bool useCapture)
    00375 {
    00376     if (!impl) return;
    00377     impl->removeEventListener(EventImpl::typeToId(type),listener,useCapture);
    00378 }
    00379
    00380 bool Node::dispatchEvent(const Event &evt)
    00381 {
    00382     if (!impl)
    00383         throw DOMException(DOMException::INVALID_STATE_ERR);
    00384
    00385     int exceptioncode = 0;
    00386     bool r = impl->dispatchEvent(evt.handle(),exceptioncode);
    00387     if (exceptioncode)
    00388         throw DOMException(exceptioncode);
    00389     return r;
    00390 }
    00391
    00392
    00393 unsigned int Node::elementId() const
    00394 {
    00395     if (!impl) return 0;
    00396     return impl->id();
    00397 }
    00398
    00399 unsigned long Node::index() const
    00400 {
    00401     if (!impl) return 0;
    00402     return impl->nodeIndex();
    00403 }
    00404
    00405 QString Node::toHTML()
    00406 {
    00407     if (!impl) return QString::null;
    00408     return impl->toHTML();
    00409 }
    00410
    00411 void Node::applyChanges()
    00412 {
    00413     if (!impl) return;
    00414     impl->recalcStyle( NodeImpl::Inherit );
    00415 }
    00416
    00417 void Node::getCursor(int offset, int &_x, int &_y, int &height)
    00418 {
    00419     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00420     impl->getCursor(offset, _x, _y, height);
    00421 }
    00422
    00423 QRect Node::getRect()
    00424 {
    00425     if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
    00426     return impl->getRect();
    00427 }
    00428
    00429 bool Node::isNull() const
    00430 {
    00431     return (impl == 0);
    00432 }
    00433
    00434 NodeImpl *Node::handle() const
    00435 {
    00436     return impl;
    00437 }
    00438
    00439 //-----------------------------------------------------------------------------
    00440
    00441 NodeList::NodeList()
    00442 {
    00443     impl = 0;
    00444 }
    00445
    00446 NodeList::NodeList(const NodeList &other)
    00447 {
    00448     impl = other.impl;
    00449     if(impl) impl->ref();
    00450 }
    00451
    00452 NodeList::NodeList(const NodeListImpl *i)
    00453 {
    00454     impl = const_cast<NodeListImpl *>(i);
    00455     if(impl) impl->ref();
    00456 }
    00457
    00458 NodeList &NodeList::operator = (const NodeList &other)
    00459 {
    00460     if ( impl != other.impl ) {
    00461         if(impl) impl->deref();
    00462         impl = other.impl;
    00463         if(impl) impl->ref();
    00464     }
    00465     return *this;
    00466 }
    00467
    00468 NodeList::~NodeList()
    00469 {
    00470     if(impl) impl->deref();
    00471 }
    00472
    00473 Node NodeList::item( unsigned long index ) const
    00474 {
    00475     if (!impl) return 0;
    00476     return impl->item(index);
    00477 }
    00478
    00479 unsigned long NodeList::length() const
    00480 {
    00481     if (!impl) return 0;
    00482     return impl->length();
    00483 }
    00484
    00485 NodeListImpl *NodeList::handle() const
    00486 {
    00487     return impl;
    00488 }
    00489
    00490 bool NodeList::isNull() const
    00491 {
    00492     return (impl == 0);
    00493 }
    00494

This file is part of the documentation for kdelibs Version 3.1.5.
Documentation copyright © 1996-2002 the KDE developers.
Generated on Wed Jan 28 13:33:44 2004 by doxygen 1.3.4 written by Dimitri van Heesch, © 1997-2001