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428 lines
14 KiB
428 lines
14 KiB
14 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtXml module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QXML_H
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#define QXML_H
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#include <QtCore/qtextstream.h>
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#include <QtCore/qfile.h>
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#include <QtCore/qstring.h>
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#include <QtCore/qstringlist.h>
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#include <QtCore/qlist.h>
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#include <QtCore/qscopedpointer.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Xml)
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class QXmlNamespaceSupport;
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class QXmlAttributes;
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class QXmlContentHandler;
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class QXmlDefaultHandler;
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class QXmlDTDHandler;
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class QXmlEntityResolver;
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class QXmlErrorHandler;
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class QXmlLexicalHandler;
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class QXmlDeclHandler;
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class QXmlInputSource;
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class QXmlLocator;
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class QXmlNamespaceSupport;
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class QXmlParseException;
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class QXmlReader;
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class QXmlSimpleReader;
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class QXmlSimpleReaderPrivate;
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class QXmlNamespaceSupportPrivate;
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class QXmlAttributesPrivate;
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class QXmlInputSourcePrivate;
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class QXmlParseExceptionPrivate;
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class QXmlLocatorPrivate;
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class QXmlDefaultHandlerPrivate;
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//
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// SAX Namespace Support
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//
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class Q_XML_EXPORT QXmlNamespaceSupport
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{
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public:
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QXmlNamespaceSupport();
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~QXmlNamespaceSupport();
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void setPrefix(const QString&, const QString&);
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QString prefix(const QString&) const;
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QString uri(const QString&) const;
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void splitName(const QString&, QString&, QString&) const;
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void processName(const QString&, bool, QString&, QString&) const;
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QStringList prefixes() const;
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QStringList prefixes(const QString&) const;
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void pushContext();
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void popContext();
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void reset();
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private:
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QXmlNamespaceSupportPrivate *d;
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friend class QXmlSimpleReaderPrivate;
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Q_DISABLE_COPY(QXmlNamespaceSupport)
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};
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//
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// SAX Attributes
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//
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class Q_XML_EXPORT QXmlAttributes
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{
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public:
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QXmlAttributes() {}
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virtual ~QXmlAttributes() {}
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int index(const QString& qName) const;
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int index(const QLatin1String& qName) const;
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int index(const QString& uri, const QString& localPart) const;
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int length() const;
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int count() const;
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QString localName(int index) const;
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QString qName(int index) const;
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QString uri(int index) const;
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QString type(int index) const;
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QString type(const QString& qName) const;
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QString type(const QString& uri, const QString& localName) const;
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QString value(int index) const;
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QString value(const QString& qName) const;
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QString value(const QLatin1String& qName) const;
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QString value(const QString& uri, const QString& localName) const;
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void clear();
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void append(const QString &qName, const QString &uri, const QString &localPart, const QString &value);
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private:
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struct Attribute {
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QString qname, uri, localname, value;
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};
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typedef QList<Attribute> AttributeList;
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AttributeList attList;
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QXmlAttributesPrivate *d;
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};
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//
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// SAX Input Source
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//
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class Q_XML_EXPORT QXmlInputSource
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{
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public:
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QXmlInputSource();
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QXmlInputSource(QIODevice *dev);
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virtual ~QXmlInputSource();
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virtual void setData(const QString& dat);
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virtual void setData(const QByteArray& dat);
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virtual void fetchData();
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virtual QString data() const;
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virtual QChar next();
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virtual void reset();
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static const ushort EndOfData;
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static const ushort EndOfDocument;
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#ifdef QT3_SUPPORT
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QT3_SUPPORT_CONSTRUCTOR QXmlInputSource(QFile& file);
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QT3_SUPPORT_CONSTRUCTOR QXmlInputSource(QTextStream& stream);
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#endif
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protected:
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virtual QString fromRawData(const QByteArray &data, bool beginning = false);
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private:
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void init();
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QXmlInputSourcePrivate *d;
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};
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//
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// SAX Exception Classes
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//
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class Q_XML_EXPORT QXmlParseException
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{
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public:
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explicit QXmlParseException(const QString &name = QString(), int c = -1, int l = -1,
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const QString &p = QString(), const QString &s = QString());
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QXmlParseException(const QXmlParseException &other);
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~QXmlParseException();
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int columnNumber() const;
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int lineNumber() const;
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QString publicId() const;
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QString systemId() const;
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QString message() const;
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private:
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QScopedPointer<QXmlParseExceptionPrivate> d;
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};
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//
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// XML Reader
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//
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class Q_XML_EXPORT QXmlReader
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{
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public:
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virtual ~QXmlReader() {}
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virtual bool feature(const QString& name, bool *ok = 0) const = 0;
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virtual void setFeature(const QString& name, bool value) = 0;
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virtual bool hasFeature(const QString& name) const = 0;
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virtual void* property(const QString& name, bool *ok = 0) const = 0;
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virtual void setProperty(const QString& name, void* value) = 0;
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virtual bool hasProperty(const QString& name) const = 0;
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virtual void setEntityResolver(QXmlEntityResolver* handler) = 0;
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virtual QXmlEntityResolver* entityResolver() const = 0;
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virtual void setDTDHandler(QXmlDTDHandler* handler) = 0;
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virtual QXmlDTDHandler* DTDHandler() const = 0;
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virtual void setContentHandler(QXmlContentHandler* handler) = 0;
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virtual QXmlContentHandler* contentHandler() const = 0;
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virtual void setErrorHandler(QXmlErrorHandler* handler) = 0;
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virtual QXmlErrorHandler* errorHandler() const = 0;
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virtual void setLexicalHandler(QXmlLexicalHandler* handler) = 0;
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virtual QXmlLexicalHandler* lexicalHandler() const = 0;
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virtual void setDeclHandler(QXmlDeclHandler* handler) = 0;
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virtual QXmlDeclHandler* declHandler() const = 0;
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virtual bool parse(const QXmlInputSource& input) = 0;
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virtual bool parse(const QXmlInputSource* input) = 0;
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};
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class Q_XML_EXPORT QXmlSimpleReader : public QXmlReader
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{
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public:
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QXmlSimpleReader();
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virtual ~QXmlSimpleReader();
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bool feature(const QString& name, bool *ok = 0) const;
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void setFeature(const QString& name, bool value);
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bool hasFeature(const QString& name) const;
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void* property(const QString& name, bool *ok = 0) const;
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void setProperty(const QString& name, void* value);
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bool hasProperty(const QString& name) const;
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void setEntityResolver(QXmlEntityResolver* handler);
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QXmlEntityResolver* entityResolver() const;
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void setDTDHandler(QXmlDTDHandler* handler);
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QXmlDTDHandler* DTDHandler() const;
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void setContentHandler(QXmlContentHandler* handler);
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QXmlContentHandler* contentHandler() const;
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void setErrorHandler(QXmlErrorHandler* handler);
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QXmlErrorHandler* errorHandler() const;
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void setLexicalHandler(QXmlLexicalHandler* handler);
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QXmlLexicalHandler* lexicalHandler() const;
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void setDeclHandler(QXmlDeclHandler* handler);
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QXmlDeclHandler* declHandler() const;
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bool parse(const QXmlInputSource& input);
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bool parse(const QXmlInputSource* input);
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virtual bool parse(const QXmlInputSource* input, bool incremental);
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virtual bool parseContinue();
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private:
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Q_DISABLE_COPY(QXmlSimpleReader)
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Q_DECLARE_PRIVATE(QXmlSimpleReader)
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QScopedPointer<QXmlSimpleReaderPrivate> d_ptr;
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friend class QXmlSimpleReaderLocator;
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};
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//
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// SAX Locator
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//
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class Q_XML_EXPORT QXmlLocator
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{
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public:
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QXmlLocator();
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virtual ~QXmlLocator();
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virtual int columnNumber() const = 0;
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virtual int lineNumber() const = 0;
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// QString getPublicId() const
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// QString getSystemId() const
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};
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//
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// SAX handler classes
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//
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class Q_XML_EXPORT QXmlContentHandler
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{
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public:
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virtual ~QXmlContentHandler() {}
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virtual void setDocumentLocator(QXmlLocator* locator) = 0;
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virtual bool startDocument() = 0;
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virtual bool endDocument() = 0;
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virtual bool startPrefixMapping(const QString& prefix, const QString& uri) = 0;
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virtual bool endPrefixMapping(const QString& prefix) = 0;
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virtual bool startElement(const QString& namespaceURI, const QString& localName, const QString& qName, const QXmlAttributes& atts) = 0;
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virtual bool endElement(const QString& namespaceURI, const QString& localName, const QString& qName) = 0;
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virtual bool characters(const QString& ch) = 0;
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virtual bool ignorableWhitespace(const QString& ch) = 0;
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virtual bool processingInstruction(const QString& target, const QString& data) = 0;
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virtual bool skippedEntity(const QString& name) = 0;
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virtual QString errorString() const = 0;
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};
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class Q_XML_EXPORT QXmlErrorHandler
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{
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|
public:
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virtual ~QXmlErrorHandler() {}
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virtual bool warning(const QXmlParseException& exception) = 0;
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virtual bool error(const QXmlParseException& exception) = 0;
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virtual bool fatalError(const QXmlParseException& exception) = 0;
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virtual QString errorString() const = 0;
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};
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|
|
|
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|
|
class Q_XML_EXPORT QXmlDTDHandler
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|
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{
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||
|
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public:
|
||
|
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virtual ~QXmlDTDHandler() {}
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||
|
|
virtual bool notationDecl(const QString& name, const QString& publicId, const QString& systemId) = 0;
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virtual bool unparsedEntityDecl(const QString& name, const QString& publicId, const QString& systemId, const QString& notationName) = 0;
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||
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virtual QString errorString() const = 0;
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|
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};
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||
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|
||
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|
class Q_XML_EXPORT QXmlEntityResolver
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|
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{
|
||
|
|
public:
|
||
|
|
virtual ~QXmlEntityResolver() {}
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||
|
|
virtual bool resolveEntity(const QString& publicId, const QString& systemId, QXmlInputSource*& ret) = 0;
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||
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virtual QString errorString() const = 0;
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||
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};
|
||
|
|
|
||
|
|
class Q_XML_EXPORT QXmlLexicalHandler
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
virtual ~QXmlLexicalHandler() {}
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||
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|
virtual bool startDTD(const QString& name, const QString& publicId, const QString& systemId) = 0;
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||
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virtual bool endDTD() = 0;
|
||
|
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virtual bool startEntity(const QString& name) = 0;
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||
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virtual bool endEntity(const QString& name) = 0;
|
||
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virtual bool startCDATA() = 0;
|
||
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virtual bool endCDATA() = 0;
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||
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virtual bool comment(const QString& ch) = 0;
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||
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virtual QString errorString() const = 0;
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||
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};
|
||
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|
||
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|
class Q_XML_EXPORT QXmlDeclHandler
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||
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{
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||
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public:
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||
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virtual ~QXmlDeclHandler() {}
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||
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virtual bool attributeDecl(const QString& eName, const QString& aName, const QString& type, const QString& valueDefault, const QString& value) = 0;
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||
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virtual bool internalEntityDecl(const QString& name, const QString& value) = 0;
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||
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virtual bool externalEntityDecl(const QString& name, const QString& publicId, const QString& systemId) = 0;
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||
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virtual QString errorString() const = 0;
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||
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// ### Qt 5: Conform to SAX by adding elementDecl
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||
|
|
};
|
||
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class Q_XML_EXPORT QXmlDefaultHandler : public QXmlContentHandler, public QXmlErrorHandler, public QXmlDTDHandler, public QXmlEntityResolver, public QXmlLexicalHandler, public QXmlDeclHandler
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||
|
|
{
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||
|
|
public:
|
||
|
|
QXmlDefaultHandler() { }
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||
|
|
virtual ~QXmlDefaultHandler() { }
|
||
|
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|
||
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|
void setDocumentLocator(QXmlLocator* locator);
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||
|
|
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() const;
|
||
|
|
|
||
|
|
private:
|
||
|
|
QXmlDefaultHandlerPrivate *d;
|
||
|
|
Q_DISABLE_COPY(QXmlDefaultHandler)
|
||
|
|
};
|
||
|
|
|
||
|
|
// inlines
|
||
|
|
|
||
|
|
inline int QXmlAttributes::count() const
|
||
|
|
{ return length(); }
|
||
|
|
|
||
|
|
QT_END_NAMESPACE
|
||
|
|
|
||
|
|
QT_END_HEADER
|
||
|
|
|
||
|
|
#endif // QXML_H
|