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tdelibs/tdehtml/xml/dom_docimpl.h

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/*
* This file is part of the DOM implementation for KDE.
*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* (C) 2002-2003 Apple Computer, Inc.
* (C) 2006 Allan Sandfeld Jensen(kde@carewolf.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef _DOM_DocumentImpl_h_
#define _DOM_DocumentImpl_h_
#include <stdint.h>
#include "xml/dom_elementimpl.h"
#include "xml/dom_textimpl.h"
#include "xml/dom2_traversalimpl.h"
#include "misc/shared.h"
#include "misc/loader.h"
#include "misc/seed.h"
#include <tqstringlist.h>
#include <tqptrlist.h>
#include <tqobject.h>
#include <tqintcache.h>
#include <tqintdict.h>
#include <tqdict.h>
#include <tqmap.h>
#include <kurl.h>
class TQPaintDevice;
class TQTextCodec;
class TQPaintDeviceMetrics;
class TDEHTMLView;
namespace tdehtml {
class Tokenizer;
class CSSStyleSelector;
class DocLoader;
class CSSStyleSelectorList;
class RenderArena;
class RenderObject;
class CounterNode;
class CachedObject;
class CachedCSSStyleSheet;
class DynamicDomRestyler;
}
namespace DOM {
class AbstractViewImpl;
class AttrImpl;
class CDATASectionImpl;
class CSSStyleSheetImpl;
class CommentImpl;
class DocumentFragmentImpl;
class DocumentImpl;
class DocumentType;
class DocumentTypeImpl;
class ElementImpl;
class EntityReferenceImpl;
class EventImpl;
class EventListener;
class GenericRONamedNodeMapImpl;
class HTMLDocumentImpl;
class HTMLElementImpl;
class HTMLImageElementImpl;
class NodeFilter;
class NodeFilterImpl;
class NodeIteratorImpl;
class NodeListImpl;
class ProcessingInstructionImpl;
class RangeImpl;
class RegisteredEventListener;
class StyleSheetImpl;
class StyleSheetListImpl;
class TextImpl;
class TreeWalkerImpl;
class DOMImplementationImpl : public tdehtml::Shared<DOMImplementationImpl>
{
public:
DOMImplementationImpl();
~DOMImplementationImpl();
// DOM methods & attributes for DOMImplementation
bool hasFeature ( const DOMString &feature, const DOMString &version );
DocumentTypeImpl *createDocumentType( const DOMString &qualifiedName, const DOMString &publicId,
const DOMString &systemId, int &exceptioncode );
DocumentImpl *createDocument( const DOMString &namespaceURI, const DOMString &qualifiedName,
const DocumentType &doctype, int &exceptioncode );
DOMImplementationImpl* getInterface(const DOMString& feature) const;
// From the DOMImplementationCSS interface
CSSStyleSheetImpl *createCSSStyleSheet(DOMStringImpl *title, DOMStringImpl *media, int &exceptioncode);
// From the HTMLDOMImplementation interface
HTMLDocumentImpl* createHTMLDocument( const DOMString& title);
// Other methods (not part of DOM)
DocumentImpl *createDocument( TDEHTMLView *v = 0 );
HTMLDocumentImpl *createHTMLDocument( TDEHTMLView *v = 0 );
// Returns the static instance of this class - only one instance of this class should
// ever be present, and is used as a factory method for creating DocumentImpl objects
static DOMImplementationImpl *instance();
protected:
static DOMImplementationImpl *m_instance;
};
/**
* @internal A cache of element name (or id) to pointer
* ### KDE4, QHash: better to store values here
*/
class ElementMappingCache
{
public:
/**
For each name, we hold a reference count, and a
pointer. If the item is in the table, which implies
reference count is > 1, the name is a valid key.
If the pointer is non-null, it points to the appropriate
mapping
*/
struct ItemInfo
{
int ref;
ElementImpl* nd;
};
ElementMappingCache();
/**
Add a pointer as just one of candidates, not neccesserily the proper one
*/
void add(const TQString& id, ElementImpl* nd);
/**
Set the pointer as the definite mapping; it must have already been added
*/
void set(const TQString& id, ElementImpl* nd);
/**
Remove the item; it must have already been added.
*/
void remove(const TQString& id, ElementImpl* nd);
/**
Returns true if the item exists
*/
bool contains(const TQString& id);
/**
Returns the information for the given ID
*/
ItemInfo* get(const TQString& id);
private:
TQDict<ItemInfo> m_dict;
};
/**
* @internal
*/
class DocumentImpl : public TQObject, private tdehtml::CachedObjectClient, public NodeBaseImpl
{
TQ_OBJECT
public:
DocumentImpl(DOMImplementationImpl *_implementation, TDEHTMLView *v);
~DocumentImpl();
// DOM methods & attributes for Document
DocumentTypeImpl *doctype() const;
DOMImplementationImpl *implementation() const;
ElementImpl *documentElement() const;
virtual ElementImpl *createElement ( const DOMString &tagName, int* pExceptioncode = 0 );
virtual AttrImpl *createAttribute( const DOMString &tagName, int* pExceptioncode = 0 );
DocumentFragmentImpl *createDocumentFragment ();
TextImpl *createTextNode ( DOMStringImpl* data ) { return new TextImpl( docPtr(), data); }
TextImpl *createTextNode ( const TQString& data )
{ return createTextNode(new DOMStringImpl(data.unicode(), data.length())); }
CommentImpl *createComment ( DOMStringImpl* data );
CDATASectionImpl *createCDATASection ( DOMStringImpl* data );
ProcessingInstructionImpl *createProcessingInstruction ( const DOMString &target, DOMStringImpl* data );
EntityReferenceImpl *createEntityReference ( const DOMString &name );
NodeImpl *importNode( NodeImpl *importedNode, bool deep, int &exceptioncode );
virtual ElementImpl *createElementNS ( const DOMString &_namespaceURI, const DOMString &_qualifiedName,
int* pExceptioncode = 0 );
virtual AttrImpl *createAttributeNS( const DOMString &_namespaceURI, const DOMString &_qualifiedName,
int* pExceptioncode = 0 );
ElementImpl *getElementById ( const DOMString &elementId ) const;
// Actually part of HTMLDocument, but used for giving XML documents a window title as well
DOMString title() const { return m_title; }
void setTitle(const DOMString& _title);
// DOM methods overridden from parent classes
virtual DOMString nodeName() const;
virtual unsigned short nodeType() const;
virtual DOMStringImpl* textContent() const;
virtual void setTextContent( const DOMString &text, int& exceptioncode );
// Other methods (not part of DOM)
virtual bool isDocumentNode() const { return true; }
virtual bool isHTMLDocument() const { return false; }
virtual ElementImpl *createHTMLElement ( const DOMString &tagName );
tdehtml::CSSStyleSelector *styleSelector() { return m_styleSelector; }
/**
* Updates the pending sheet count and then calls updateStyleSelector.
*/
void styleSheetLoaded();
/**
* This method returns true if all top-level stylesheets have loaded (including
* any \@imports that they may be loading).
*/
bool haveStylesheetsLoaded() { return m_pendingStylesheets <= 0 || m_ignorePendingStylesheets; }
/**
* Increments the number of pending sheets. The \<link\> elements
* invoke this to add themselves to the loading list.
*/
void addPendingSheet() { m_pendingStylesheets++; }
/**
* Returns true if the document has pending stylesheets
* loading.
*/
bool hasPendingSheets() const { return m_pendingStylesheets; }
/**
* Called when one or more stylesheets in the document may have been added, removed or changed.
*
* Creates a new style selector and assign it to this document. This is done by iterating through all nodes in
* document (or those before \<BODY\> in a HTML document), searching for stylesheets. Stylesheets can be contained in
* \<LINK\>, \<STYLE\> or \<BODY\> elements, as well as processing instructions (XML documents only). A list is
* constructed from these which is used to create the a new style selector which collates all of the stylesheets
* found and is used to calculate the derived styles for all rendering objects.
*
* @param shallow If the stylesheet list for the document is unchanged, with only added or removed rules
* in existing sheets, then set this argument to true for efficiency.
*/
void updateStyleSelector(bool shallow=false);
void recalcStyleSelector();
void rebuildStyleSelector();
TQString nextState();
// Query all registered elements for their state
TQStringList docState();
bool unsubmittedFormChanges();
void registerMaintainsState(NodeImpl* e) { m_maintainsState.append(e); }
void deregisterMaintainsState(NodeImpl* e) { m_maintainsState.removeRef(e); }
// Set the state the document should restore to
void setRestoreState( const TQStringList &s) { m_state = s; }
TDEHTMLView *view() const { return m_view; }
TDEHTMLPart* part() const;
RangeImpl *createRange();
NodeIteratorImpl *createNodeIterator(NodeImpl *root, unsigned long whatToShow,
NodeFilter &filter, bool entityReferenceExpansion, int &exceptioncode);
TreeWalkerImpl *createTreeWalker(NodeImpl *root, unsigned long whatToShow, NodeFilterImpl *filter,
bool entityReferenceExpansion, int &exceptioncode);
virtual void recalcStyle( StyleChange = NoChange );
static TQPtrList<DocumentImpl> * changedDocuments;
virtual void updateRendering();
void updateLayout();
static void updateDocumentsRendering();
tdehtml::DocLoader *docLoader() { return m_docLoader; }
virtual void attach();
virtual void detach();
tdehtml::RenderArena* renderArena() { return m_renderArena.get(); }
// to get visually ordered hebrew and arabic pages right
void setVisuallyOrdered();
// to get URL decoding right
void setDecoderCodec(const TQTextCodec *codec);
void setSelection(NodeImpl* s, int sp, NodeImpl* e, int ep);
void clearSelection();
void open ( bool clearEventListeners = true );
virtual void close ( );
void write ( const DOMString &text );
void write ( const TQString &text );
void writeln ( const DOMString &text );
void finishParsing ( );
KURL URL() const { return m_url; }
void setURL(const TQString& url) { m_url = url; }
KURL baseURL() const { return m_baseURL.isEmpty() ? m_url : m_baseURL; }
void setBaseURL(const KURL& baseURL) { m_baseURL = baseURL; }
TQString baseTarget() const { return m_baseTarget; }
void setBaseTarget(const TQString& baseTarget) { m_baseTarget = baseTarget; }
TQString completeURL(const TQString& url) const { return KURL(baseURL(),url,m_decoderMibEnum).url(); };
DOMString canonURL(const DOMString& url) const { return url.isEmpty() ? url : completeURL(url.string()); }
void setUserStyleSheet(const TQString& sheet);
TQString userStyleSheet() const { return m_usersheet; }
void setPrintStyleSheet(const TQString& sheet) { m_printSheet = sheet; }
TQString printStyleSheet() const { return m_printSheet; }
CSSStyleSheetImpl* elementSheet();
virtual tdehtml::Tokenizer *createTokenizer();
tdehtml::Tokenizer *tokenizer() { return m_tokenizer; }
TQPaintDeviceMetrics *paintDeviceMetrics() { return m_paintDeviceMetrics; }
TQPaintDevice *paintDevice() const { return m_paintDevice; }
void setPaintDevice( TQPaintDevice *dev );
enum HTMLMode {
Html3 = 0,
Html4 = 1,
XHtml = 2
};
enum ParseMode {
Unknown,
Compat,
Transitional,
Strict
};
virtual void determineParseMode( const TQString &str );
void setParseMode( ParseMode m ) { pMode = m; }
ParseMode parseMode() const { return pMode; }
bool inCompatMode() const { return pMode == Compat; }
bool inTransitionalMode() const { return pMode == Transitional; }
bool inStrictMode() const { return pMode == Strict; }
//void setHTMLMode( HTMLMode m ) { hMode = m; }
HTMLMode htmlMode() const { return hMode; }
void setParsing(bool b) { m_bParsing = b; }
bool parsing() const { return m_bParsing; }
void setTextColor( TQColor color ) { m_textColor = color; }
TQColor textColor() const { return m_textColor; }
void setDesignMode(bool b);
bool designMode() const;
// internal
bool prepareMouseEvent( bool readonly, int x, int y, MouseEvent *ev );
virtual bool childTypeAllowed( unsigned short nodeType );
virtual NodeImpl *cloneNode ( bool deep );
NodeImpl::Id getId( NodeImpl::IdType _type, DOMStringImpl* _nsURI, DOMStringImpl *_localName,
DOMStringImpl *_prefix, bool readonly, bool lookupHTML, int *pExceptioncode = 0);
NodeImpl::Id getId( NodeImpl::IdType _type, DOMStringImpl *_nodeName, bool readonly, bool lookupHTML,
int *pExceptioncode = 0);
DOMString getName( NodeImpl::IdType _type, NodeImpl::Id _id ) const;
StyleSheetListImpl* styleSheets() { return m_styleSheets; };
DOMString preferredStylesheetSet() const { return m_preferredStylesheetSet; }
DOMString selectedStylesheetSet() const;
void setSelectedStylesheetSet(const DOMString&);
void setPreferredStylesheetSet(const DOMString& s) { m_preferredStylesheetSet = s; }
void addStyleSheet(StyleSheetImpl *, int *exceptioncode = 0);
void removeStyleSheet(StyleSheetImpl *, int *exceptioncode = 0);
TQStringList availableStyleSheets() const { return m_availableSheets; }
NodeImpl* hoverNode() const { return m_hoverNode; }
void setHoverNode(NodeImpl *newHoverNode);
NodeImpl *focusNode() const { return m_focusNode; }
void setFocusNode(NodeImpl *newFocusNode);
NodeImpl* activeNode() const { return m_activeNode; }
void setActiveNode(NodeImpl *newActiveNode);
// Updates for :target (CSS3 selector).
void setCSSTarget(NodeImpl* n);
NodeImpl* getCSSTarget() { return m_cssTarget; }
bool isDocumentChanged() { return m_docChanged; }
virtual void setDocumentChanged(bool = true);
void attachNodeIterator(NodeIteratorImpl *ni);
void detachNodeIterator(NodeIteratorImpl *ni);
void notifyBeforeNodeRemoval(NodeImpl *n);
AbstractViewImpl *defaultView() const { return m_defaultView; }
EventImpl *createEvent(const DOMString &eventType, int &exceptioncode);
// keep track of what types of event listeners are registered, so we don't
// dispatch events unnecessarily
enum ListenerType {
DOMSUBTREEMODIFIED_LISTENER = 0x01,
DOMNODEINSERTED_LISTENER = 0x02,
DOMNODEREMOVED_LISTENER = 0x04,
DOMNODEREMOVEDFROMDOCUMENT_LISTENER = 0x08,
DOMNODEINSERTEDINTODOCUMENT_LISTENER = 0x10,
DOMATTRMODIFIED_LISTENER = 0x20,
DOMCHARACTERDATAMODIFIED_LISTENER = 0x40
};
bool hasListenerType(ListenerType listenerType) const { return (m_listenerTypes & listenerType); }
void addListenerType(ListenerType listenerType) { m_listenerTypes = m_listenerTypes | listenerType; }
CSSStyleDeclarationImpl *getOverrideStyle(ElementImpl *elt, DOMStringImpl *pseudoElt);
bool async() const { return m_async; }
void setAsync(bool b) { m_async = b; }
void abort();
void load(const DOMString &uri);
void loadXML(const DOMString &source);
// from cachedObjectClient
void setStyleSheet(const DOM::DOMString &url, const DOM::DOMString &sheet, const DOM::DOMString &charset);
void error(int err, const TQString &text);
typedef TQMap<TQString, ProcessingInstructionImpl*> LocalStyleRefs;
LocalStyleRefs* localStyleRefs() { return &m_localStyleRefs; }
virtual void defaultEventHandler(EventImpl *evt);
virtual void setHTMLWindowEventListener(int id, EventListener *listener);
EventListener *getHTMLWindowEventListener(int id);
EventListener *createHTMLEventListener(const TQString& code, const TQString& name, NodeImpl* node);
void addWindowEventListener(int id, EventListener *listener, const bool useCapture);
void removeWindowEventListener(int id, EventListener *listener, bool useCapture);
bool hasWindowEventListener(int id);
EventListener *createHTMLEventListener(TQString code);
/**
* Searches through the document, starting from fromNode, for the next selectable element that comes after fromNode.
* The order followed is as specified in section 17.11.1 of the HTML4 spec, which is elements with tab indexes
* first (from lowest to highest), and then elements without tab indexes (in document order).
*
* @param fromNode The node from which to start searching. The node after this will be focused. May be null.
*
* @return The focus node that comes after fromNode
*
* See http://www.w3.org/TR/html4/interact/forms.html#h-17.11.1
*/
NodeImpl *nextFocusNode(NodeImpl *fromNode);
/**
* Searches through the document, starting from fromNode, for the previous selectable element (that comes _before_)
* fromNode. The order followed is as specified in section 17.11.1 of the HTML4 spec, which is elements with tab
* indexes first (from lowest to highest), and then elements without tab indexes (in document order).
*
* @param fromNode The node from which to start searching. The node before this will be focused. May be null.
*
* @return The focus node that comes before fromNode
*
* See http://www.w3.org/TR/html4/interact/forms.html#h-17.11.1
*/
NodeImpl *previousFocusNode(NodeImpl *fromNode);
ElementImpl* findAccessKeyElement(TQChar c);
int nodeAbsIndex(NodeImpl *node);
NodeImpl *nodeWithAbsIndex(int absIndex);
/**
* Handles a HTTP header equivalent set by a meta tag using <meta http-equiv="..." content="...">. This is called
* when a meta tag is encountered during document parsing, and also when a script dynamically changes or adds a meta
* tag. This enables scripts to use meta tags to perform refreshes and set expiry dates in addition to them being
* specified in a HTML file.
*
* @param equiv The http header name (value of the meta tag's "equiv" attribute)
* @param content The header value (value of the meta tag's "content" attribute)
*/
void processHttpEquiv(const DOMString &equiv, const DOMString &content);
void dispatchImageLoadEventSoon(HTMLImageElementImpl *);
void dispatchImageLoadEventsNow();
void removeImage(HTMLImageElementImpl *);
virtual void timerEvent(TQTimerEvent *);
// Returns the owning element in the parent document.
// Returns 0 if this is the top level document.
ElementImpl *ownerElement() const;
DOMString domain() const;
void setDomain( const DOMString &newDomain ); // not part of the DOM
bool isURLAllowed(const TQString& url) const;
HTMLElementImpl* body();
DOMString toString() const;
void incDOMTreeVersion() { ++m_domtree_version; }
unsigned int domTreeVersion() const { return m_domtree_version; }
TQDict<tdehtml::CounterNode>* counters(const tdehtml::RenderObject* o) { return m_counterDict[(void*)o]; }
void setCounters(const tdehtml::RenderObject* o, TQDict<tdehtml::CounterNode> *dict) { m_counterDict.insert((void*)o, dict);}
void removeCounters(const tdehtml::RenderObject* o) { m_counterDict.remove((void*)o); }
ElementMappingCache& underDocNamedCache() {
return m_underDocNamedCache;
}
NodeListImpl::Cache* acquireCachedNodeListInfo(NodeListImpl::CacheFactory* fact,
NodeImpl* base, int type);
void releaseCachedNodeListInfo(NodeListImpl::Cache* cache);
ElementMappingCache& getElementByIdCache() const {
return m_getElementByIdCache;
}
TQString contentLanguage() const { return m_contentLanguage; }
void setContentLanguage(const TQString& cl) { m_contentLanguage = cl; }
tdehtml::DynamicDomRestyler& dynamicDomRestyler() { return *m_dynamicDomRestyler; }
const tdehtml::DynamicDomRestyler& dynamicDomRestyler() const { return *m_dynamicDomRestyler; }
signals:
void finishedParsing();
protected:
tdehtml::CSSStyleSelector *m_styleSelector;
TDEHTMLView *m_view;
TQStringList m_state;
tdehtml::DocLoader *m_docLoader;
tdehtml::Tokenizer *m_tokenizer;
KURL m_url;
KURL m_baseURL;
TQString m_baseTarget;
DocumentTypeImpl *m_doctype;
DOMImplementationImpl *m_implementation;
TQString m_usersheet;
TQString m_printSheet;
TQStringList m_availableSheets;
TQString m_contentLanguage;
// Track the number of currently loading top-level stylesheets. Sheets
// loaded using the @import directive are not included in this count.
// We use this count of pending sheets to detect when we can begin attaching
// elements.
int m_pendingStylesheets;
bool m_ignorePendingStylesheets;
CSSStyleSheetImpl *m_elemSheet;
TQPaintDevice *m_paintDevice;
TQPaintDeviceMetrics *m_paintDeviceMetrics;
ParseMode pMode;
HTMLMode hMode;
TQColor m_textColor;
NodeImpl *m_hoverNode;
NodeImpl *m_focusNode;
NodeImpl *m_activeNode;
NodeImpl *m_cssTarget;
unsigned int m_domtree_version;
struct IdNameMapping {
IdNameMapping(unsigned short _start)
: idStart(_start), count(0) {}
~IdNameMapping() {
TQIntDictIterator<DOM::DOMStringImpl> it(names);
for (; it.current() ; ++it)
it.current()->deref();
}
unsigned short idStart;
unsigned short count;
TQIntDict<DOM::DOMStringImpl> names;
TQDict<void> ids;
void expandIfNeeded() {
if (ids.size() <= ids.count() && ids.size() != tdehtml_MaxSeed)
ids.resize( tdehtml::nextSeed(ids.count()) );
if (names.size() <= names.count() && names.size() != tdehtml_MaxSeed)
names.resize( tdehtml::nextSeed(names.count()) );
}
void addAlias(DOMStringImpl* _prefix, DOMStringImpl* _name, bool cs, NodeImpl::Id id) {
if(_prefix && _prefix->l) {
TQConstString n(_name->s, _name->l);
TQConstString px( _prefix->s, _prefix->l );
TQString name = cs ? n.string() : n.string().upper();
TQString qn("aliases: " + (cs ? px.string() : px.string().upper()) + ":" + name);
if (!ids.find( qn )) {
ids.insert( qn, (void*)(intptr_t)id );
}
}
expandIfNeeded();
}
};
IdNameMapping *m_attrMap;
IdNameMapping *m_elementMap;
IdNameMapping *m_namespaceMap;
TQPtrList<NodeIteratorImpl> m_nodeIterators;
AbstractViewImpl *m_defaultView;
unsigned short m_listenerTypes;
StyleSheetListImpl* m_styleSheets;
StyleSheetListImpl *m_addedStyleSheets; // programmatically added style sheets
LocalStyleRefs m_localStyleRefs; // references to inlined style elements
RegisteredListenerList m_windowEventListeners;
TQPtrList<NodeImpl> m_maintainsState;
// ### evaluate for placement in RenderStyle
TQPtrDict<TQDict<tdehtml::CounterNode> > m_counterDict;
tdehtml::DynamicDomRestyler *m_dynamicDomRestyler;
bool visuallyOrdered;
bool m_bParsing;
bool m_docChanged;
bool m_styleSelectorDirty;
bool m_inStyleRecalc;
bool m_async;
bool m_hadLoadError;
bool m_docLoading;
bool m_inSyncLoad;
DOMString m_title;
DOMString m_preferredStylesheetSet;
tdehtml::CachedCSSStyleSheet *m_loadingXMLDoc;
int m_decoderMibEnum;
//Forms, images, etc., must be quickly accessible via document.name.
ElementMappingCache m_underDocNamedCache;
//Cache for nodelists and collections.
TQIntDict<NodeListImpl::Cache> m_nodeListCache;
TQPtrList<HTMLImageElementImpl> m_imageLoadEventDispatchSoonList;
TQPtrList<HTMLImageElementImpl> m_imageLoadEventDispatchingList;
int m_imageLoadEventTimer;
//Cache for getElementById
mutable ElementMappingCache m_getElementByIdCache;
tdehtml::SharedPtr<tdehtml::RenderArena> m_renderArena;
private:
mutable DOMString m_domain;
int m_selfOnlyRefCount;
public:
// Nodes belonging to this document hold "self-only" references -
// these are enough to keep the document from being destroyed, but
// not enough to keep it from removing its children. This allows a
// node that outlives its document to still have a valid document
// pointer without introducing reference cycles
void selfOnlyRef() { ++m_selfOnlyRefCount; }
void selfOnlyDeref() {
--m_selfOnlyRefCount;
if (!m_selfOnlyRefCount && !refCount())
delete this;
}
// This is called when our last outside reference dies
virtual void removedLastRef();
};
class DocumentFragmentImpl : public NodeBaseImpl
{
public:
DocumentFragmentImpl(DocumentImpl *doc);
DocumentFragmentImpl(const DocumentFragmentImpl &other);
// DOM methods overridden from parent classes
virtual DOMString nodeName() const;
virtual unsigned short nodeType() const;
virtual NodeImpl *cloneNode ( bool deep );
// Other methods (not part of DOM)
virtual bool childTypeAllowed( unsigned short type );
virtual DOMString toString() const;
};
class DocumentTypeImpl : public NodeImpl
{
public:
DocumentTypeImpl(DOMImplementationImpl *_implementation, DocumentImpl *doc,
const DOMString &qualifiedName, const DOMString &publicId,
const DOMString &systemId);
~DocumentTypeImpl();
// DOM methods & attributes for DocumentType
NamedNodeMapImpl *entities() const;
NamedNodeMapImpl *notations() const;
DOMString name() const { return m_qualifiedName; }
DOMString publicId() const { return m_publicId; }
DOMString systemId() const { return m_systemId; }
DOMString internalSubset() const { return m_subset; }
// DOM methods overridden from parent classes
virtual DOMString nodeName() const;
virtual unsigned short nodeType() const;
virtual bool childTypeAllowed( unsigned short type );
virtual NodeImpl *cloneNode ( bool deep );
virtual DOMStringImpl* textContent() const;
virtual void setTextContent( const DOMString &text, int& exceptioncode );
// Other methods (not part of DOM)
void setName(const DOMString& n) { m_qualifiedName = n; }
void setPublicId(const DOMString& publicId) { m_publicId = publicId; }
void setSystemId(const DOMString& systemId) { m_systemId = systemId; }
DOMImplementationImpl *implementation() const { return m_implementation; }
void copyFrom(const DocumentTypeImpl&);
virtual DOMString toString() const;
protected:
DOMImplementationImpl *m_implementation;
mutable NamedNodeMapImpl* m_entities;
mutable NamedNodeMapImpl* m_notations;
DOMString m_qualifiedName;
DOMString m_publicId;
DOMString m_systemId;
DOMString m_subset;
};
} //namespace
#endif
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