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src/qt/src/xml/qdom.h
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00001 /****************************************************************************
00002 ** $Id: qt/qdom.h   3.3.8   edited Jan 11 14:39 $
00003 **
00004 ** Definition of QDomDocument and related classes.
00005 **
00006 ** Created : 000518
00007 **
00008 ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
00009 **
00010 ** This file is part of the xml module of the Qt GUI Toolkit.
00011 **
00012 ** This file may be distributed under the terms of the Q Public License
00013 ** as defined by Trolltech ASA of Norway and appearing in the file
00014 ** LICENSE.QPL included in the packaging of this file.
00015 **
00016 ** This file may be distributed and/or modified under the terms of the
00017 ** GNU General Public License version 2 as published by the Free Software
00018 ** Foundation and appearing in the file LICENSE.GPL included in the
00019 ** packaging of this file.
00020 **
00021 ** Licensees holding valid Qt Enterprise Edition licenses may use this
00022 ** file in accordance with the Qt Commercial License Agreement provided
00023 ** with the Software.
00024 **
00025 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00026 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00027 **
00028 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
00029 **   information about Qt Commercial License Agreements.
00030 ** See http://www.trolltech.com/qpl/ for QPL licensing information.
00031 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
00032 **
00033 ** Contact info@trolltech.com if any conditions of this licensing are
00034 ** not clear to you.
00035 **
00036 **********************************************************************/
00037 
00038 #ifndef QDOM_H
00039 #define QDOM_H
00040 
00041 #ifndef QT_H
00042 #include "qstring.h"
00043 #endif // QT_H
00044 
00045 #if !defined(QT_MODULE_XML) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_XML )
00046 #define QM_EXPORT_DOM
00047 #else
00048 #define QM_EXPORT_DOM Q_EXPORT
00049 #endif
00050 
00051 #ifndef QT_NO_DOM
00052 
00053 class QIODevice;
00054 class QTextStream;
00055 
00056 class QXmlInputSource;
00057 class QXmlReader;
00058 
00059 class QDomDocumentPrivate;
00060 class QDomDocumentTypePrivate;
00061 class QDomDocumentFragmentPrivate;
00062 class QDomNodePrivate;
00063 class QDomNodeListPrivate;
00064 class QDomImplementationPrivate;
00065 class QDomElementPrivate;
00066 class QDomNotationPrivate;
00067 class QDomEntityPrivate;
00068 class QDomEntityReferencePrivate;
00069 class QDomProcessingInstructionPrivate;
00070 class QDomAttrPrivate;
00071 class QDomCharacterDataPrivate;
00072 class QDomTextPrivate;
00073 class QDomCommentPrivate;
00074 class QDomCDATASectionPrivate;
00075 class QDomNamedNodeMapPrivate;
00076 class QDomImplementationPrivate;
00077 
00078 class QDomNodeList;
00079 class QDomElement;
00080 class QDomText;
00081 class QDomComment;
00082 class QDomCDATASection;
00083 class QDomProcessingInstruction;
00084 class QDomAttr;
00085 class QDomEntityReference;
00086 class QDomDocument;
00087 class QDomNamedNodeMap;
00088 class QDomDocument;
00089 class QDomDocumentFragment;
00090 class QDomDocumentType;
00091 class QDomImplementation;
00092 class QDomNode;
00093 class QDomEntity;
00094 class QDomNotation;
00095 class QDomCharacterData;
00096 
00097 class QM_EXPORT_DOM QDomImplementation
00098 {
00099 public:
00100     QDomImplementation();
00101     QDomImplementation( const QDomImplementation& );
00102     virtual ~QDomImplementation();
00103     QDomImplementation& operator= ( const QDomImplementation& );
00104     bool operator== ( const QDomImplementation& ) const;
00105     bool operator!= ( const QDomImplementation& ) const;
00106 
00107     // functions
00108     virtual bool hasFeature( const QString& feature, const QString& version );
00109     virtual QDomDocumentType createDocumentType( const QString& qName, const QString& publicId, const QString& systemId );
00110     virtual QDomDocument createDocument( const QString& nsURI, const QString& qName, const QDomDocumentType& doctype );
00111 
00112     // Qt extension
00113     bool isNull();
00114 
00115 private:
00116     QDomImplementationPrivate* impl;
00117     QDomImplementation( QDomImplementationPrivate* );
00118 
00119     friend class QDomDocument;
00120 };
00121 
00122 class QM_EXPORT_DOM QDomNode
00123 {
00124 public:
00125     enum NodeType {
00126         ElementNode               = 1,
00127         AttributeNode             = 2,
00128         TextNode                  = 3,
00129         CDATASectionNode          = 4,
00130         EntityReferenceNode       = 5,
00131         EntityNode                = 6,
00132         ProcessingInstructionNode = 7,
00133         CommentNode               = 8,
00134         DocumentNode              = 9,
00135         DocumentTypeNode          = 10,
00136         DocumentFragmentNode      = 11,
00137         NotationNode              = 12,
00138         BaseNode                  = 21,// this is not in the standard
00139         CharacterDataNode         = 22 // this is not in the standard
00140     };
00141 
00142     QDomNode();
00143     QDomNode( const QDomNode& );
00144     QDomNode& operator= ( const QDomNode& );
00145     bool operator== ( const QDomNode& ) const;
00146     bool operator!= ( const QDomNode& ) const;
00147     virtual ~QDomNode();
00148 
00149     // DOM functions
00150     virtual QDomNode insertBefore( const QDomNode& newChild, const QDomNode& refChild );
00151     virtual QDomNode insertAfter( const QDomNode& newChild, const QDomNode& refChild );
00152     virtual QDomNode replaceChild( const QDomNode& newChild, const QDomNode& oldChild );
00153     virtual QDomNode removeChild( const QDomNode& oldChild );
00154     virtual QDomNode appendChild( const QDomNode& newChild );
00155     virtual bool hasChildNodes() const;
00156     virtual QDomNode cloneNode( bool deep = TRUE ) const;
00157     virtual void normalize();
00158     virtual bool isSupported( const QString& feature, const QString& version ) const;
00159 
00160     // DOM read only attributes
00161     virtual QString nodeName() const;
00162     virtual QDomNode::NodeType nodeType() const;
00163     virtual QDomNode         parentNode() const;
00164     virtual QDomNodeList     childNodes() const;
00165     virtual QDomNode         firstChild() const;
00166     virtual QDomNode         lastChild() const;
00167     virtual QDomNode         previousSibling() const;
00168     virtual QDomNode         nextSibling() const;
00169     virtual QDomNamedNodeMap attributes() const;
00170     virtual QDomDocument     ownerDocument() const;
00171     virtual QString namespaceURI() const;
00172     virtual QString localName() const;
00173     virtual bool hasAttributes() const;
00174 
00175     // DOM attributes
00176     virtual QString nodeValue() const;
00177     virtual void setNodeValue( const QString& );
00178     virtual QString prefix() const;
00179     virtual void setPrefix( const QString& pre );
00180 
00181     // Qt extensions
00182     virtual bool isAttr() const;
00183     virtual bool isCDATASection() const;
00184     virtual bool isDocumentFragment() const;
00185     virtual bool isDocument() const;
00186     virtual bool isDocumentType() const;
00187     virtual bool isElement() const;
00188     virtual bool isEntityReference() const;
00189     virtual bool isText() const;
00190     virtual bool isEntity() const;
00191     virtual bool isNotation() const;
00192     virtual bool isProcessingInstruction() const;
00193     virtual bool isCharacterData() const;
00194     virtual bool isComment() const;
00195 
00200     QDomNode namedItem( const QString& name ) const;
00201 
00202     bool isNull() const;
00203     void clear();
00204 
00205     QDomAttr toAttr();
00206     QDomCDATASection toCDATASection();
00207     QDomDocumentFragment toDocumentFragment();
00208     QDomDocument toDocument();
00209     QDomDocumentType toDocumentType();
00210     QDomElement toElement();
00211     QDomEntityReference toEntityReference();
00212     QDomText toText();
00213     QDomEntity toEntity();
00214     QDomNotation toNotation();
00215     QDomProcessingInstruction toProcessingInstruction();
00216     QDomCharacterData toCharacterData();
00217     QDomComment toComment();
00218 
00219     void save( QTextStream&, int ) const;
00220 
00221 //### AbanQ Optimization Hack
00222     void * internalImpl() const { return impl; }
00223 //###
00224 
00225 protected:
00226     QDomNodePrivate* impl;
00227     QDomNode( QDomNodePrivate* );
00228 
00229 private:
00230     friend class QDomDocument;
00231     friend class QDomDocumentType;
00232     friend class QDomNodeList;
00233     friend class QDomNamedNodeMap;
00234 };
00235 
00236 class QM_EXPORT_DOM QDomNodeList
00237 {
00238 public:
00239     QDomNodeList();
00240     QDomNodeList( const QDomNodeList& );
00241     QDomNodeList& operator= ( const QDomNodeList& );
00242     bool operator== ( const QDomNodeList& ) const;
00243     bool operator!= ( const QDomNodeList& ) const;
00244     virtual ~QDomNodeList();
00245 
00246     // DOM functions
00247     virtual QDomNode item( int index ) const;
00248 
00249     // DOM read only attributes
00250     virtual uint length() const;
00251     uint count() const { return length(); } // Qt API consitancy
00252 
00253 //### AbanQ Optimization Hack
00254     void * internalImpl() const { return impl; }
00255 //###
00256 
00257 private:
00258     QDomNodeListPrivate* impl;
00259     QDomNodeList( QDomNodeListPrivate* );
00260 
00261     friend class QDomNode;
00262     friend class QDomElement;
00263     friend class QDomDocument;
00264 };
00265 
00266 class QM_EXPORT_DOM QDomDocumentType : public QDomNode
00267 {
00268 public:
00269     QDomDocumentType();
00270     QDomDocumentType( const QDomDocumentType& x );
00271     QDomDocumentType& operator= ( const QDomDocumentType& );
00272     ~QDomDocumentType();
00273 
00274     // DOM read only attributes
00275     virtual QString name() const;
00276     virtual QDomNamedNodeMap entities() const;
00277     virtual QDomNamedNodeMap notations() const;
00278     virtual QString publicId() const;
00279     virtual QString systemId() const;
00280     virtual QString internalSubset() const;
00281 
00282     // Reimplemented from QDomNode
00283     QDomNode::NodeType nodeType() const;
00284     bool isDocumentType() const;
00285 
00286 private:
00287     QDomDocumentType( QDomDocumentTypePrivate* );
00288 
00289     friend class QDomImplementation;
00290     friend class QDomDocument;
00291     friend class QDomNode;
00292 };
00293 
00294 class QM_EXPORT_DOM QDomDocument : public QDomNode
00295 {
00296 public:
00297     QDomDocument();
00298     Q_EXPLICIT QDomDocument( const QString& name );
00299     Q_EXPLICIT QDomDocument( const QDomDocumentType& doctype );
00300     QDomDocument( const QDomDocument& x );
00301     QDomDocument& operator= ( const QDomDocument& );
00302     ~QDomDocument();
00303 
00304     // DOM functions
00305     QDomElement createElement( const QString& tagName );
00306     QDomDocumentFragment createDocumentFragment();
00307     QDomText createTextNode( const QString& data );
00308     QDomComment createComment( const QString& data );
00309     QDomCDATASection createCDATASection( const QString& data );
00310     QDomProcessingInstruction createProcessingInstruction( const QString& target, const QString& data );
00311     QDomAttr createAttribute( const QString& name );
00312     QDomEntityReference createEntityReference( const QString& name );
00313     QDomNodeList elementsByTagName( const QString& tagname ) const;
00314     QDomNode importNode( const QDomNode& importedNode, bool deep );
00315     QDomElement createElementNS( const QString& nsURI, const QString& qName );
00316     QDomAttr createAttributeNS( const QString& nsURI, const QString& qName );
00317     QDomNodeList elementsByTagNameNS( const QString& nsURI, const QString& localName );
00318     QDomElement elementById( const QString& elementId );
00319 
00320     // DOM read only attributes
00321     QDomDocumentType doctype() const;
00322     QDomImplementation implementation() const;
00323     QDomElement documentElement() const;
00324 
00325     // Qt extensions
00326     bool setContent( const QCString& text, bool namespaceProcessing, QString *errorMsg=0, int *errorLine=0, int *errorColumn=0  );
00327     bool setContent( const QByteArray& text, bool namespaceProcessing, QString *errorMsg=0, int *errorLine=0, int *errorColumn=0  );
00328     bool setContent( const QString& text, bool namespaceProcessing, QString *errorMsg=0, int *errorLine=0, int *errorColumn=0  );
00329     bool setContent( QIODevice* dev, bool namespaceProcessing, QString *errorMsg=0, int *errorLine=0, int *errorColumn=0  );
00330     bool setContent( const QCString& text, QString *errorMsg=0, int *errorLine=0, int *errorColumn=0 );
00331     bool setContent( const QByteArray& text, QString *errorMsg=0, int *errorLine=0, int *errorColumn=0  );
00332     bool setContent( const QString& text, QString *errorMsg=0, int *errorLine=0, int *errorColumn=0  );
00333     bool setContent( QIODevice* dev, QString *errorMsg=0, int *errorLine=0, int *errorColumn=0  );
00334 
00335     bool setContent( QXmlInputSource *source, QXmlReader *reader, QString *errorMsg=0, int *errorLine=0, int *errorColumn=0  );
00336 
00337     // Reimplemented from QDomNode
00338     QDomNode::NodeType nodeType() const;
00339     bool isDocument() const;
00340 
00341     // Qt extensions
00342     QString toString() const; // ### Qt 4: merge the two overloads
00343     QString toString( int ) const;
00344     QCString toCString() const; // ### Qt 4: merge the two overloads
00345     QCString toCString( int ) const;
00346 
00347 private:
00348     QDomDocument( QDomDocumentPrivate* );
00349 
00350     friend class QDomNode;
00351 };
00352 
00353 class QM_EXPORT_DOM QDomNamedNodeMap
00354 {
00355 public:
00356     QDomNamedNodeMap();
00357     QDomNamedNodeMap( const QDomNamedNodeMap& );
00358     QDomNamedNodeMap& operator= ( const QDomNamedNodeMap& );
00359     bool operator== ( const QDomNamedNodeMap& ) const;
00360     bool operator!= ( const QDomNamedNodeMap& ) const;
00361     ~QDomNamedNodeMap();
00362 
00363     // DOM functions
00364     QDomNode namedItem( const QString& name ) const;
00365     QDomNode setNamedItem( const QDomNode& newNode );
00366     QDomNode removeNamedItem( const QString& name );
00367     QDomNode item( int index ) const;
00368     QDomNode namedItemNS( const QString& nsURI, const QString& localName ) const;
00369     QDomNode setNamedItemNS( const QDomNode& newNode );
00370     QDomNode removeNamedItemNS( const QString& nsURI, const QString& localName );
00371 
00372     // DOM read only attributes
00373     uint length() const;
00374     uint count() const { return length(); } // Qt API consitancy
00375 
00376     // Qt extension
00377     bool contains( const QString& name ) const;
00378 
00379 private:
00380     QDomNamedNodeMapPrivate* impl;
00381     QDomNamedNodeMap( QDomNamedNodeMapPrivate* );
00382 
00383     friend class QDomNode;
00384     friend class QDomDocumentType;
00385     friend class QDomElement;
00386 };
00387 
00388 class QM_EXPORT_DOM QDomDocumentFragment : public QDomNode
00389 {
00390 public:
00391     QDomDocumentFragment();
00392     QDomDocumentFragment( const QDomDocumentFragment& x );
00393     QDomDocumentFragment& operator= ( const QDomDocumentFragment& );
00394     ~QDomDocumentFragment();
00395 
00396     // Reimplemented from QDomNode
00397     QDomNode::NodeType nodeType() const;
00398     bool isDocumentFragment() const;
00399 
00400 private:
00401     QDomDocumentFragment( QDomDocumentFragmentPrivate* );
00402 
00403     friend class QDomDocument;
00404     friend class QDomNode;
00405 };
00406 
00407 class QM_EXPORT_DOM QDomCharacterData : public QDomNode
00408 {
00409 public:
00410     QDomCharacterData();
00411     QDomCharacterData( const QDomCharacterData& x );
00412     QDomCharacterData& operator= ( const QDomCharacterData& );
00413     ~QDomCharacterData();
00414 
00415     // DOM functions
00416     virtual QString substringData( unsigned long offset, unsigned long count );
00417     virtual void appendData( const QString& arg );
00418     virtual void insertData( unsigned long offset, const QString& arg );
00419     virtual void deleteData( unsigned long offset, unsigned long count );
00420     virtual void replaceData( unsigned long offset, unsigned long count, const QString& arg );
00421 
00422     // DOM read only attributes
00423     virtual uint length() const;
00424 
00425     // DOM attributes
00426     virtual QString data() const;
00427     virtual void setData( const QString& );
00428 
00429     // Reimplemented from QDomNode
00430     QDomNode::NodeType nodeType() const;
00431     bool isCharacterData() const;
00432 
00433 private:
00434     QDomCharacterData( QDomCharacterDataPrivate* );
00435 
00436     friend class QDomDocument;
00437     friend class QDomText;
00438     friend class QDomComment;
00439     friend class QDomNode;
00440 };
00441 
00442 class QM_EXPORT_DOM QDomAttr : public QDomNode
00443 {
00444 public:
00445     QDomAttr();
00446     QDomAttr( const QDomAttr& x );
00447     QDomAttr& operator= ( const QDomAttr& );
00448     ~QDomAttr();
00449 
00450     // DOM read only attributes
00451     virtual QString name() const;
00452     virtual bool specified() const;
00453     virtual QDomElement ownerElement() const;
00454 
00455     // DOM attributes
00456     virtual QString value() const;
00457     virtual void setValue( const QString& );
00458 
00459     // Reimplemented from QDomNode
00460     QDomNode::NodeType nodeType() const;
00461     bool isAttr() const;
00462 
00463 private:
00464     QDomAttr( QDomAttrPrivate* );
00465 
00466     friend class QDomDocument;
00467     friend class QDomElement;
00468     friend class QDomNode;
00469 };
00470 
00471 class QM_EXPORT_DOM QDomElement : public QDomNode
00472 {
00473 public:
00474     QDomElement();
00475     QDomElement( const QDomElement& x );
00476     QDomElement& operator= ( const QDomElement& );
00477     ~QDomElement();
00478 
00479     // DOM functions
00480     QString attribute( const QString& name, const QString& defValue = QString::null ) const;
00481     void setAttribute( const QString& name, const QString& value );
00482     void setAttribute( const QString& name, int value );
00483     void setAttribute( const QString& name, uint value );
00484     void setAttribute( const QString& name, long value );
00485     void setAttribute( const QString& name, ulong value );
00486     void setAttribute( const QString& name, double value );
00487     void removeAttribute( const QString& name );
00488     QDomAttr attributeNode( const QString& name);
00489     QDomAttr setAttributeNode( const QDomAttr& newAttr );
00490     QDomAttr removeAttributeNode( const QDomAttr& oldAttr );
00491     virtual QDomNodeList elementsByTagName( const QString& tagname ) const;
00492     bool hasAttribute( const QString& name ) const;
00493 
00494     QString attributeNS( const QString nsURI, const QString& localName, const QString& defValue ) const;
00495     void setAttributeNS( const QString nsURI, const QString& qName, const QString& value );
00496     void setAttributeNS( const QString nsURI, const QString& qName, int value );
00497     void setAttributeNS( const QString nsURI, const QString& qName, uint value );
00498     void setAttributeNS( const QString nsURI, const QString& qName, long value );
00499     void setAttributeNS( const QString nsURI, const QString& qName, ulong value );
00500     void setAttributeNS( const QString nsURI, const QString& qName, double value );
00501     void removeAttributeNS( const QString& nsURI, const QString& localName );
00502     QDomAttr attributeNodeNS( const QString& nsURI, const QString& localName );
00503     QDomAttr setAttributeNodeNS( const QDomAttr& newAttr );
00504     virtual QDomNodeList elementsByTagNameNS( const QString& nsURI, const QString& localName ) const;
00505     bool hasAttributeNS( const QString& nsURI, const QString& localName ) const;
00506 
00507     // DOM read only attributes
00508     QString tagName() const;
00509     void setTagName( const QString& name ); // Qt extension
00510 
00511     // Reimplemented from QDomNode
00512     QDomNamedNodeMap attributes() const;
00513     QDomNode::NodeType nodeType() const;
00514     bool isElement() const;
00515 
00516     QString text() const;
00517 
00518 private:
00519     QDomElement( QDomElementPrivate* );
00520 
00521     friend class QDomDocument;
00522     friend class QDomNode;
00523     friend class QDomAttr;
00524 };
00525 
00526 class QM_EXPORT_DOM QDomText : public QDomCharacterData
00527 {
00528 public:
00529     QDomText();
00530     QDomText( const QDomText& x );
00531     QDomText& operator= ( const QDomText& );
00532     ~QDomText();
00533 
00534     // DOM functions
00535     QDomText splitText( int offset );
00536 
00537     // Reimplemented from QDomNode
00538     QDomNode::NodeType nodeType() const;
00539     bool isText() const;
00540 
00541 private:
00542     QDomText( QDomTextPrivate* );
00543 
00544     friend class QDomCDATASection;
00545     friend class QDomDocument;
00546     friend class QDomNode;
00547 };
00548 
00549 class QM_EXPORT_DOM QDomComment : public QDomCharacterData
00550 {
00551 public:
00552     QDomComment();
00553     QDomComment( const QDomComment& x );
00554     QDomComment& operator= ( const QDomComment& );
00555     ~QDomComment();
00556 
00557     // Reimplemented from QDomNode
00558     QDomNode::NodeType nodeType() const;
00559     bool isComment() const;
00560 
00561 private:
00562     QDomComment( QDomCommentPrivate* );
00563 
00564     friend class QDomDocument;
00565     friend class QDomNode;
00566 };
00567 
00568 class QM_EXPORT_DOM QDomCDATASection : public QDomText
00569 {
00570 public:
00571     QDomCDATASection();
00572     QDomCDATASection( const QDomCDATASection& x );
00573     QDomCDATASection& operator= ( const QDomCDATASection& );
00574     ~QDomCDATASection();
00575 
00576     // Reimplemented from QDomNode
00577     QDomNode::NodeType nodeType() const;
00578     bool isCDATASection() const;
00579 
00580 private:
00581     QDomCDATASection( QDomCDATASectionPrivate* );
00582 
00583     friend class QDomDocument;
00584     friend class QDomNode;
00585 };
00586 
00587 class QM_EXPORT_DOM QDomNotation : public QDomNode
00588 {
00589 public:
00590     QDomNotation();
00591     QDomNotation( const QDomNotation& x );
00592     QDomNotation& operator= ( const QDomNotation& );
00593     ~QDomNotation();
00594 
00595     // DOM read only attributes
00596     QString publicId() const;
00597     QString systemId() const;
00598 
00599     // Reimplemented from QDomNode
00600     QDomNode::NodeType nodeType() const;
00601     bool isNotation() const;
00602 
00603 private:
00604     QDomNotation( QDomNotationPrivate* );
00605 
00606     friend class QDomDocument;
00607     friend class QDomNode;
00608 };
00609 
00610 class QM_EXPORT_DOM QDomEntity : public QDomNode
00611 {
00612 public:
00613     QDomEntity();
00614     QDomEntity( const QDomEntity& x );
00615     QDomEntity& operator= ( const QDomEntity& );
00616     ~QDomEntity();
00617 
00618     // DOM read only attributes
00619     virtual QString publicId() const;
00620     virtual QString systemId() const;
00621     virtual QString notationName() const;
00622 
00623     // Reimplemented from QDomNode
00624     QDomNode::NodeType nodeType() const;
00625     bool isEntity() const;
00626 
00627 private:
00628     QDomEntity( QDomEntityPrivate* );
00629 
00630     friend class QDomNode;
00631 };
00632 
00633 class QM_EXPORT_DOM QDomEntityReference : public QDomNode
00634 {
00635 public:
00636     QDomEntityReference();
00637     QDomEntityReference( const QDomEntityReference& x );
00638     QDomEntityReference& operator= ( const QDomEntityReference& );
00639     ~QDomEntityReference();
00640 
00641     // Reimplemented from QDomNode
00642     QDomNode::NodeType nodeType() const;
00643     bool isEntityReference() const;
00644 
00645 private:
00646     QDomEntityReference( QDomEntityReferencePrivate* );
00647 
00648     friend class QDomDocument;
00649     friend class QDomNode;
00650 };
00651 
00652 class QM_EXPORT_DOM QDomProcessingInstruction : public QDomNode
00653 {
00654 public:
00655     QDomProcessingInstruction();
00656     QDomProcessingInstruction( const QDomProcessingInstruction& x );
00657     QDomProcessingInstruction& operator= ( const QDomProcessingInstruction& );
00658     ~QDomProcessingInstruction();
00659 
00660     // DOM read only attributes
00661     virtual QString target() const;
00662 
00663     // DOM attributes
00664     virtual QString data() const;
00665     virtual void setData( const QString& d );
00666 
00667     // Reimplemented from QDomNode
00668     QDomNode::NodeType nodeType() const;
00669     bool isProcessingInstruction() const;
00670 
00671 private:
00672     QDomProcessingInstruction( QDomProcessingInstructionPrivate* );
00673 
00674     friend class QDomDocument;
00675     friend class QDomNode;
00676 };
00677 
00678 
00679 QM_EXPORT_DOM QTextStream& operator<<( QTextStream&, const QDomNode& );
00680 
00681 #endif //QT_NO_DOM
00682 #endif // QDOM_H
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