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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtXml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDOMHELPERS_P_H
#define QDOMHELPERS_P_H
#include <qglobal.h>
#include <qxml.h>
QT_BEGIN_NAMESPACE
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience of
// qxml.cpp and qdom.cpp. This header file may change from version to version without
// notice, or even be removed.
//
// We mean it.
//
class QDomDocumentPrivate;
class QDomNodePrivate;
/**************************************************************
*
* QXmlDocumentLocators
*
**************************************************************/
/* TODO: QXmlDocumentLocator can be removed when the SAX-based
* implementation is removed. Right now it is needed for QDomBuilder
* to work with both QXmlStreamReader and QXmlInputSource (SAX)
* based implementations.
*/
class QXmlDocumentLocator
{
public:
virtual ~QXmlDocumentLocator() = default;
virtual int column() const = 0;
virtual int line() const = 0;
};
class QSAXDocumentLocator : public QXmlDocumentLocator
{
public:
~QSAXDocumentLocator() override = default;
int column() const override;
int line() const override;
void setLocator(QXmlLocator *l);
private:
QXmlLocator *locator = nullptr;
};
/**************************************************************
*
* QDomBuilder
*
**************************************************************/
class QDomBuilder
{
public:
QDomBuilder(QDomDocumentPrivate *d, QXmlDocumentLocator *l, bool namespaceProcessing);
~QDomBuilder();
bool endDocument();
bool startElement(const QString &nsURI, const QString &qName, const QXmlAttributes &atts);
bool endElement();
bool characters(const QString &characters, bool cdata = false);
bool processingInstruction(const QString &target, const QString &data);
bool skippedEntity(const QString &name);
bool startEntity(const QString &name);
bool endEntity();
bool startDTD(const QString &name, const QString &publicId, const QString &systemId);
bool comment(const QString &characters);
bool externalEntityDecl(const QString &name, const QString &publicId, const QString &systemId);
bool notationDecl(const QString &name, const QString &publicId, const QString &systemId);
bool unparsedEntityDecl(const QString &name, const QString &publicId, const QString &systemId,
const QString ¬ationName);
void fatalError(const QString &message);
using ErrorInfo = std::tuple<QString, int, int>;
ErrorInfo error() const;
QString errorMsg;
int errorLine;
int errorColumn;
private:
QDomDocumentPrivate *doc;
QDomNodePrivate *node;
QXmlDocumentLocator *locator;
QString entityName;
bool nsProcessing;
};
/**************************************************************
*
* QDomHandler
*
**************************************************************/
class QDomHandler : public QXmlDefaultHandler
{
public:
QDomHandler(QDomDocumentPrivate *d, QXmlSimpleReader *reader, bool namespaceProcessing);
~QDomHandler() override;
// content handler
bool endDocument() override;
bool startElement(const QString &nsURI, const QString &localName, const QString &qName,
const QXmlAttributes &atts) override;
bool endElement(const QString &nsURI, const QString &localName, const QString &qName) override;
bool characters(const QString &ch) override;
bool processingInstruction(const QString &target, const QString &data) override;
bool skippedEntity(const QString &name) override;
// error handler
bool fatalError(const QXmlParseException &exception) override;
// lexical handler
bool startCDATA() override;
bool endCDATA() override;
bool startEntity(const QString &) override;
bool endEntity(const QString &) override;
bool startDTD(const QString &name, const QString &publicId, const QString &systemId) override;
bool comment(const QString &ch) override;
// decl handler
bool externalEntityDecl(const QString &name, const QString &publicId,
const QString &systemId) override;
// DTD handler
bool notationDecl(const QString &name, const QString &publicId,
const QString &systemId) override;
bool unparsedEntityDecl(const QString &name, const QString &publicId, const QString &systemId,
const QString ¬ationName) override;
void setDocumentLocator(QXmlLocator *locator) override;
QDomBuilder::ErrorInfo errorInfo() const;
private:
bool cdata;
QXmlSimpleReader *reader;
QSAXDocumentLocator locator;
QDomBuilder domBuilder;
};
QT_END_NAMESPACE
#endif // QDOMHELPERS_P_H
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