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Diffstat (limited to 'src/xml/dom/qdomhelpers_p.h')
-rw-r--r-- | src/xml/dom/qdomhelpers_p.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/xml/dom/qdomhelpers_p.h b/src/xml/dom/qdomhelpers_p.h new file mode 100644 index 0000000000..7647de65d2 --- /dev/null +++ b/src/xml/dom/qdomhelpers_p.h @@ -0,0 +1,193 @@ +/**************************************************************************** +** +** 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 |