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Diffstat (limited to 'qtools/qxml.h')
| -rw-r--r-- | qtools/qxml.h | 645 |
1 files changed, 645 insertions, 0 deletions
diff --git a/qtools/qxml.h b/qtools/qxml.h new file mode 100644 index 0000000..c23430c --- /dev/null +++ b/qtools/qxml.h @@ -0,0 +1,645 @@ +/**************************************************************************** +** +** +** Definition of QXmlSimpleReader and related classes. +** +** Created : 000518 +** +** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. +** +** This file is part of the XML module of the Qt GUI Toolkit. +** +** This file may be distributed under the terms of the Q Public License +** as defined by Trolltech AS of Norway and appearing in the file +** LICENSE.QPL included in the packaging of this file. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** Licensees holding valid Qt Enterprise Edition licenses may use this +** file in accordance with the Qt Commercial License Agreement provided +** with the Software. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for +** information about Qt Commercial License Agreements. +** See http://www.trolltech.com/qpl/ for QPL licensing information. +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + +#ifndef QXML_H +#define QXML_H + +#include <qmodules.h> + +#if !defined(QT_MODULE_XML) +#define QM_EXPORT +#else +#define QM_EXPORT Q_EXPORT +#endif + +#ifndef QT_H +#include <qtextstream.h> +#include <qfile.h> +#include <qstring.h> +#include <qstringlist.h> +#include <qvaluestack.h> +#include <qmap.h> +#endif // QT_H + +#ifndef QT_NO_XML + +class QXmlNamespaceSupport; +class QXmlAttributes; +class QXmlContentHandler; +class QXmlDefaultHandler; +class QXmlDTDHandler; +class QXmlEntityResolver; +class QXmlErrorHandler; +class QXmlLexicalHandler; +class QXmlDeclHandler; +class QXmlInputSource; +class QXmlLocator; +class QXmlNamespaceSupport; +class QXmlParseException; + +class QXmlReader; +class QXmlSimpleReader; + +class QXmlSimpleReaderPrivate; +class QXmlNamespaceSupportPrivate; +class QXmlAttributesPrivate; +class QXmlInputSourcePrivate; +class QXmlParseExceptionPrivate; +class QXmlLocatorPrivate; +class QXmlDefaultHandlerPrivate; + + +// +// SAX Namespace Support +// + +#if defined(Q_TEMPLATEDLL) +// MOC_SKIP_BEGIN +template class QM_EXPORT QMap<QString, QString>; +template class QM_EXPORT QValueStack<QMap<QString, QString> >; +template class QM_EXPORT QValueStack<QString>; +// MOC_SKIP_END +#endif + +class QM_EXPORT QXmlNamespaceSupport +{ +public: + QXmlNamespaceSupport(); + ~QXmlNamespaceSupport(); + + void setPrefix( const QString&, const QString& ); + + QString prefix( const QString& ) const; + QString uri( const QString& ) const; + void splitName( const QString&, QString&, QString& ) const; + void processName( const QString&, bool, QString&, QString& ) const; + QStringList prefixes() const; + QStringList prefixes( const QString& ) const; + + void pushContext(); + void popContext(); + void reset(); +private: + QValueStack<QMap<QString, QString> > nsStack; + QMap<QString, QString> ns; + + QXmlNamespaceSupportPrivate *d; +}; + + +// +// SAX Attributes +// + +class QM_EXPORT QXmlAttributes +{ +public: + QXmlAttributes() {} + virtual ~QXmlAttributes() {} + + int index( const QString& qName ) const; + int index( const QString& uri, const QString& localPart ) const; + int length() const; + QString localName( int index ) const; + QString qName( int index ) const; + QString uri( int index ) const; + QString type( int index ) const; + QString type( const QString& qName ) const; + QString type( const QString& uri, const QString& localName ) const; + QString value( int index ) const; + QString value( const QString& qName ) const; + QString value( const QString& uri, const QString& localName ) const; + +private: + QStringList qnameList; + QStringList uriList; + QStringList localnameList; + QStringList valueList; + + QXmlAttributesPrivate *d; + + friend class QXmlSimpleReader; +}; + +// +// SAX Input Source +// + +class QM_EXPORT QXmlInputSource +{ +public: + QXmlInputSource(); + QXmlInputSource( QTextStream& stream ); + QXmlInputSource( QFile& file ); + virtual ~QXmlInputSource(); + + virtual const QString& data() const; + virtual void setData( const QString& d ); + +private: + void readInput( QByteArray& rawData ); + + QString input; + + QXmlInputSourcePrivate *d; +}; + +// +// SAX Exception Classes +// + +class QM_EXPORT QXmlParseException +{ +public: + QXmlParseException( const QString& name="", int c=-1, int l=-1, const QString& p="", const QString& s="" ) + : msg( name ), column( c ), line( l ), pub( p ), sys( s ) + { } + + int columnNumber() const; + int lineNumber() const; + QString publicId() const; + QString systemId() const; + QString message() const; + +private: + QString msg; + int column; + int line; + QString pub; + QString sys; + + QXmlParseExceptionPrivate *d; +}; + + +// +// XML Reader +// + +class QM_EXPORT QXmlReader +{ +public: + virtual bool feature( const QString& name, bool *ok = 0 ) const = 0; + virtual void setFeature( const QString& name, bool value ) = 0; + virtual bool hasFeature( const QString& name ) const = 0; + virtual void* property( const QString& name, bool *ok = 0 ) const = 0; + virtual void setProperty( const QString& name, void* value ) = 0; + virtual bool hasProperty( const QString& name ) const = 0; + virtual void setEntityResolver( QXmlEntityResolver* handler ) = 0; + virtual QXmlEntityResolver* entityResolver() const = 0; + virtual void setDTDHandler( QXmlDTDHandler* handler ) = 0; + virtual QXmlDTDHandler* DTDHandler() const = 0; + virtual void setContentHandler( QXmlContentHandler* handler ) = 0; + virtual QXmlContentHandler* contentHandler() const = 0; + virtual void setErrorHandler( QXmlErrorHandler* handler ) = 0; + virtual QXmlErrorHandler* errorHandler() const = 0; + virtual void setLexicalHandler( QXmlLexicalHandler* handler ) = 0; + virtual QXmlLexicalHandler* lexicalHandler() const = 0; + virtual void setDeclHandler( QXmlDeclHandler* handler ) = 0; + virtual QXmlDeclHandler* declHandler() const = 0; + virtual bool parse( const QXmlInputSource& input ) = 0; +}; + +class QM_EXPORT QXmlSimpleReader : public QXmlReader +{ +public: + QXmlSimpleReader(); + virtual ~QXmlSimpleReader(); + + bool feature( const QString& name, bool *ok = 0 ) const; + void setFeature( const QString& name, bool value ); + bool hasFeature( const QString& name ) const; + + void* property( const QString& name, bool *ok = 0 ) const; + void setProperty( const QString& name, void* value ); + bool hasProperty( const QString& name ) const; + + void setEntityResolver( QXmlEntityResolver* handler ); + QXmlEntityResolver* entityResolver() const; + void setDTDHandler( QXmlDTDHandler* handler ); + QXmlDTDHandler* DTDHandler() const; + void setContentHandler( QXmlContentHandler* handler ); + QXmlContentHandler* contentHandler() const; + void setErrorHandler( QXmlErrorHandler* handler ); + QXmlErrorHandler* errorHandler() const; + void setLexicalHandler( QXmlLexicalHandler* handler ); + QXmlLexicalHandler* lexicalHandler() const; + void setDeclHandler( QXmlDeclHandler* handler ); + QXmlDeclHandler* declHandler() const; + + bool parse( const QXmlInputSource& input ); + +private: + // variables + QXmlContentHandler* contentHnd; + QXmlErrorHandler* errorHnd; + QXmlDTDHandler* dtdHnd; + QXmlEntityResolver* entityRes; + QXmlLexicalHandler* lexicalHnd; + QXmlDeclHandler* declHnd; + + QChar c; // the character at reading position + int lineNr; // number of line + int columnNr; // position in line + int pos; // position in string + + int namePos; + QChar nameArray[256]; // only used for names + QString nameValue; // only used for names + int refPos; + QChar refArray[256]; // only used for references + QString refValue; // only used for references + int stringPos; + QChar stringArray[256]; // used for any other strings that are parsed + QString stringValue; // used for any other strings that are parsed + + QString xml; + int xmlLength; + QString xmlRef; // used for parsing of entity references + + QValueStack<QString> tags; + + QXmlSimpleReaderPrivate* d; + + static const QChar QEOF; + + // inlines + virtual bool is_S( const QChar& ); + virtual bool is_Letter( const QChar& ); + virtual bool is_NameBeginning( const QChar& ); + virtual bool is_Digit( const QChar& ); + virtual bool is_CombiningChar( const QChar& ); + virtual bool is_Extender( const QChar& ); + virtual bool is_NameChar( const QChar& ); + + QString& string(); + void stringClear(); + void stringAddC(); + void stringAddC(const QChar&); + QString& name(); + void nameClear(); + void nameAddC(); + void nameAddC(const QChar&); + QString& ref(); + void refClear(); + void refAddC(); + void refAddC(const QChar&); + + // used by parseReference() and parsePEReference() + enum EntityRecognitionContext { InContent, InAttributeValue, InEntityValue, InDTD }; + + // private methods + void eat_ws(); + void next_eat_ws(); + + void next(); + bool atEnd(); + + void init( const QXmlInputSource& i ); + + bool parseProlog(); + bool parseElement(); + bool parseElementEmptyTag( bool &t, QString &uri, QString &lname ); + bool parseElementETagBegin2(); + bool parseElementAttribute( QString &prefix, QString &uri, QString &lname ); + bool parseMisc(); + bool parseContent(); + + bool parsePI(bool xmldecl=FALSE); + bool parseDoctype(); + bool parseComment(); + + bool parseName( bool useRef=FALSE ); + bool parseNmtoken(); + bool parseAttribute(); + bool parseReference( bool &charDataRead, EntityRecognitionContext context ); + + bool parseExternalID( bool allowPublicID = FALSE ); + bool parsePEReference( EntityRecognitionContext context ); + bool parseMarkupdecl(); + bool parseAttlistDecl(); + bool parseAttType(); + bool parseAttValue(); + bool parseElementDecl(); + bool parseNotationDecl(); + bool parseChoiceSeq(); + bool parseEntityDecl(); + bool parseEntityValue(); + + bool parseString( const QString& s ); + + void reportParseError(); + + friend class QXmlSimpleReaderPrivate; + friend class QXmlLocator; +}; + +// +// SAX Locator +// + +class QM_EXPORT QXmlLocator +{ +public: + QXmlLocator( QXmlSimpleReader* parent ) + { reader = parent; } + ~QXmlLocator() + { } + + int columnNumber(); + int lineNumber(); +// QString getPublicId() +// QString getSystemId() + +private: + QXmlSimpleReader* reader; + + QXmlLocatorPrivate *d; +}; + +// +// SAX handler classes +// + +class QM_EXPORT QXmlContentHandler +{ +public: + virtual void setDocumentLocator( QXmlLocator* locator ) = 0; + virtual bool startDocument() = 0; + virtual bool endDocument() = 0; + virtual bool startPrefixMapping( const QString& prefix, const QString& uri ) = 0; + virtual bool endPrefixMapping( const QString& prefix ) = 0; + virtual bool startElement( const QString& namespaceURI, const QString& localName, const QString& qName, const QXmlAttributes& atts ) = 0; + virtual bool endElement( const QString& namespaceURI, const QString& localName, const QString& qName ) = 0; + virtual bool characters( const QString& ch ) = 0; + virtual bool ignorableWhitespace( const QString& ch ) = 0; + virtual bool processingInstruction( const QString& target, const QString& data ) = 0; + virtual bool skippedEntity( const QString& name ) = 0; + virtual QString errorString() = 0; +}; + +class QM_EXPORT QXmlErrorHandler +{ +public: + virtual bool warning( const QXmlParseException& exception ) = 0; + virtual bool error( const QXmlParseException& exception ) = 0; + virtual bool fatalError( const QXmlParseException& exception ) = 0; + virtual QString errorString() = 0; +}; + +class QM_EXPORT QXmlDTDHandler +{ +public: + virtual bool notationDecl( const QString& name, const QString& publicId, const QString& systemId ) = 0; + virtual bool unparsedEntityDecl( const QString& name, const QString& publicId, const QString& systemId, const QString& notationName ) = 0; + virtual QString errorString() = 0; +}; + +class QM_EXPORT QXmlEntityResolver +{ +public: + virtual bool resolveEntity( const QString& publicId, const QString& systemId, QXmlInputSource* ret ) = 0; + virtual QString errorString() = 0; +}; + +class QM_EXPORT QXmlLexicalHandler +{ +public: + virtual bool startDTD( const QString& name, const QString& publicId, const QString& systemId ) = 0; + virtual bool endDTD() = 0; +// virtual bool startEntity( const QString& name ) = 0; +// virtual bool endEntity( const QString& name ) = 0; + virtual bool startCDATA() = 0; + virtual bool endCDATA() = 0; + virtual bool comment( const QString& ch ) = 0; + virtual QString errorString() = 0; +}; + +class QM_EXPORT QXmlDeclHandler +{ +public: + virtual bool attributeDecl( const QString& eName, const QString& aName, const QString& type, const QString& valueDefault, const QString& value ) = 0; + virtual bool internalEntityDecl( const QString& name, const QString& value ) = 0; + virtual bool externalEntityDecl( const QString& name, const QString& publicId, const QString& systemId ) = 0; + virtual QString errorString() = 0; +}; + + +class QM_EXPORT QXmlDefaultHandler : public QXmlContentHandler, public QXmlErrorHandler, public QXmlDTDHandler, public QXmlEntityResolver, public QXmlLexicalHandler, public QXmlDeclHandler +{ +public: + QXmlDefaultHandler() { } + virtual ~QXmlDefaultHandler() { } + + void setDocumentLocator( QXmlLocator* locator ); + bool startDocument(); + bool endDocument(); + bool startPrefixMapping( const QString& prefix, const QString& uri ); + bool endPrefixMapping( const QString& prefix ); + bool startElement( const QString& namespaceURI, const QString& localName, const QString& qName, const QXmlAttributes& atts ); + bool endElement( const QString& namespaceURI, const QString& localName, const QString& qName ); + bool characters( const QString& ch ); + bool ignorableWhitespace( const QString& ch ); + bool processingInstruction( const QString& target, const QString& data ); + bool skippedEntity( const QString& name ); + + bool warning( const QXmlParseException& exception ); + bool error( const QXmlParseException& exception ); + bool fatalError( const QXmlParseException& exception ); + + bool notationDecl( const QString& name, const QString& publicId, const QString& systemId ); + bool unparsedEntityDecl( const QString& name, const QString& publicId, const QString& systemId, const QString& notationName ); + + bool resolveEntity( const QString& publicId, const QString& systemId, QXmlInputSource* ret ); + + bool startDTD( const QString& name, const QString& publicId, const QString& systemId ); + bool endDTD(); +// bool startEntity( const QString& name ); +// bool endEntity( const QString& name ); + bool startCDATA(); + bool endCDATA(); + bool comment( const QString& ch ); + + bool attributeDecl( const QString& eName, const QString& aName, const QString& type, const QString& valueDefault, const QString& value ); + bool internalEntityDecl( const QString& name, const QString& value ); + bool externalEntityDecl( const QString& name, const QString& publicId, const QString& systemId ); + + QString errorString(); + +private: + QXmlDefaultHandlerPrivate *d; +}; + + +// +// inlines +// + +inline bool QXmlSimpleReader::is_S(const QChar& ch) +{ return ch==' ' || ch=='\t' || ch=='\n' || ch=='\r'; } + +inline bool QXmlSimpleReader::is_Letter( const QChar& ch ) +{ return ch.isLetter(); } + +inline bool QXmlSimpleReader::is_NameBeginning( const QChar& ch ) +{ return ch=='_' || ch==':' || ch.isLetter(); } + +inline bool QXmlSimpleReader::is_Digit( const QChar& ch ) +{ return ch.isDigit(); } + +inline bool QXmlSimpleReader::is_CombiningChar( const QChar& ) +{ return FALSE; } + +inline bool QXmlSimpleReader::is_Extender( const QChar& ) +{ return FALSE; } + +inline bool QXmlSimpleReader::is_NameChar( const QChar& ch ) +{ + return ch=='.' || ch=='-' || ch=='_' || ch==':' || + is_Letter(ch) || is_Digit(ch) || + is_CombiningChar(ch) || is_Extender(ch); +} + +inline void QXmlSimpleReader::next() +{ + if ( !xmlRef.isEmpty() ) { + c = xmlRef[0]; + xmlRef.remove( 0, 1 ); + } else { + if ( c=='\n' || c=='\r' ) { + lineNr++; + columnNr = -1; + } + if ( pos >= xmlLength ) { + c = QEOF; + } else { + c = xml[pos]; + columnNr++; + pos++; + } + } +} + +inline bool QXmlSimpleReader::atEnd() +{ return c == QEOF; } + +inline void QXmlSimpleReader::eat_ws() +{ while ( !atEnd() && is_S(c) ) next(); } + +inline void QXmlSimpleReader::next_eat_ws() +{ next(); eat_ws(); } + + +// use buffers instead of QString::operator+= when single characters are read +inline QString& QXmlSimpleReader::string() +{ + stringValue += QString( stringArray, stringPos ); + stringPos = 0; + return stringValue; +} +inline QString& QXmlSimpleReader::name() +{ + nameValue += QString( nameArray, namePos ); + namePos = 0; + return nameValue; +} +inline QString& QXmlSimpleReader::ref() +{ + refValue += QString( refArray, refPos ); + refPos = 0; + return refValue; +} + +inline void QXmlSimpleReader::stringClear() +{ stringValue = ""; stringPos = 0; } +inline void QXmlSimpleReader::nameClear() +{ nameValue = ""; namePos = 0; } +inline void QXmlSimpleReader::refClear() +{ refValue = ""; refPos = 0; } + +inline void QXmlSimpleReader::stringAddC() +{ + if ( stringPos >= 256 ) { + stringValue += QString( stringArray, stringPos ); + stringPos = 0; + } + stringArray[stringPos++] = c; +} +inline void QXmlSimpleReader::nameAddC() +{ + if ( namePos >= 256 ) { + nameValue += QString( nameArray, namePos ); + namePos = 0; + } + nameArray[namePos++] = c; +} +inline void QXmlSimpleReader::refAddC() +{ + if ( refPos >= 256 ) { + refValue += QString( refArray, refPos ); + refPos = 0; + } + refArray[refPos++] = c; +} + +inline void QXmlSimpleReader::stringAddC(const QChar& ch) +{ + if ( stringPos >= 256 ) { + stringValue += QString( stringArray, stringPos ); + stringPos = 0; + } + stringArray[stringPos++] = ch; +} +inline void QXmlSimpleReader::nameAddC(const QChar& ch) +{ + if ( namePos >= 256 ) { + nameValue += QString( nameArray, namePos ); + namePos = 0; + } + nameArray[namePos++] = ch; +} +inline void QXmlSimpleReader::refAddC(const QChar& ch) +{ + if ( refPos >= 256 ) { + refValue += QString( refArray, refPos ); + refPos = 0; + } + refArray[refPos++] = ch; +} +#endif //QT_NO_XML + +#endif |