851 lines
26 KiB
C++
851 lines
26 KiB
C++
/************************************************************************
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**
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** @file vdomdocument.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date November 15, 2013
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**
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** @brief
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** @copyright
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** This source code is part of the Valentine project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2013-2015 Valentina project
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** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
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**
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** Valentina is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** Valentina is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
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**
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*************************************************************************/
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#include "vdomdocument.h"
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#include <qcompilerdetection.h>
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#include <qdom.h>
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#include "../exception/vexceptionbadid.h"
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#include "../exception/vexceptionconversionerror.h"
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#include "../exception/vexceptionemptyparameter.h"
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#include "../exception/vexceptionwrongid.h"
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#include "../exception/vexception.h"
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#include "../vmisc/logging.h"
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#include "../ifcdef.h"
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#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
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# include "../vmisc/backport/qsavefile.h"
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#else
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# include <QSaveFile>
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#endif
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#include <QAbstractMessageHandler>
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#include <QByteArray>
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#include <QDomNodeList>
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#include <QDomText>
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#include <QFile>
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#include <QIODevice>
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#include <QMessageLogger>
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#include <QObject>
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#include <QSourceLocation>
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#include <QStringList>
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#include <QTemporaryFile>
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#include <QTextStream>
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#include <QUrl>
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#include <QVector>
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#include <QXmlSchema>
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#include <QXmlSchemaValidator>
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#include <QtDebug>
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//This class need for validation pattern file using XSD shema
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class MessageHandler : public QAbstractMessageHandler
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{
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public:
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MessageHandler() : QAbstractMessageHandler(), m_messageType(QtMsgType()), m_description(QString()),
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m_sourceLocation(QSourceLocation()){}
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QString statusMessage() const;
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qint64 line() const;
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qint64 column() const;
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protected:
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// cppcheck-suppress unusedFunction
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virtual void handleMessage(QtMsgType type, const QString &description,
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const QUrl &identifier, const QSourceLocation &sourceLocation) Q_DECL_OVERRIDE;
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private:
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QtMsgType m_messageType;
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QString m_description;
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QSourceLocation m_sourceLocation;
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};
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//---------------------------------------------------------------------------------------------------------------------
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inline QString MessageHandler::statusMessage() const
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{
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return m_description;
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}
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//---------------------------------------------------------------------------------------------------------------------
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inline qint64 MessageHandler::line() const
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{
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return m_sourceLocation.line();
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}
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//---------------------------------------------------------------------------------------------------------------------
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inline qint64 MessageHandler::column() const
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{
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return m_sourceLocation.column();
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}
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//---------------------------------------------------------------------------------------------------------------------
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// cppcheck-suppress unusedFunction
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void MessageHandler::handleMessage(QtMsgType type, const QString &description, const QUrl &identifier,
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const QSourceLocation &sourceLocation)
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{
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Q_UNUSED(type);
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Q_UNUSED(identifier);
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m_messageType = type;
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m_description = description;
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m_sourceLocation = sourceLocation;
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}
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Q_LOGGING_CATEGORY(vXML, "v.xml")
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const QString VDomDocument::AttrId = QStringLiteral("id");
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const QString VDomDocument::UnitMM = QStringLiteral("mm");
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const QString VDomDocument::UnitCM = QStringLiteral("cm");
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const QString VDomDocument::UnitINCH = QStringLiteral("inch");
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const QString VDomDocument::UnitPX = QStringLiteral("px");
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const QString VDomDocument::TagVersion = QStringLiteral("version");
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//---------------------------------------------------------------------------------------------------------------------
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VDomDocument::VDomDocument()
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: QDomDocument(), map(QHash<QString, QDomElement>())
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{}
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//---------------------------------------------------------------------------------------------------------------------
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VDomDocument::~VDomDocument()
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{}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Finds an element by id.
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* @param id value id attribute.
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* @return dom element.
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*/
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QDomElement VDomDocument::elementById(const QString& id)
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{
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if (map.contains(id))
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{
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QDomElement e = map[id];
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if (e.parentNode().nodeType() != QDomNode::BaseNode)
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{
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return e;
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}
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map.remove(id);
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}
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if (this->find(this->documentElement(), id))
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{
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return map[id];
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}
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return QDomElement();
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}
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//---------------------------------------------------------------------------------------------------------------------
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QDomElement VDomDocument::elementById(quint32 id)
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{
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return elementById(QString().setNum(id));
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Find element by id.
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* @param node node
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* @param id id value
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* @return true if found
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*/
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bool VDomDocument::find(const QDomElement &node, const QString& id)
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{
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if (node.hasAttribute(AttrId))
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{
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const QString value = node.attribute(AttrId);
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this->map[value] = node;
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if (value == id)
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{
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return true;
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}
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}
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for (qint32 i=0; i<node.childNodes().length(); ++i)
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{
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QDomNode n = node.childNodes().at(i);
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if (n.isElement())
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{
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if (this->find(n.toElement(), id))
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{
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return true;
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}
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}
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}
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return false;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Returns the long long value of the given attribute. RENAME: GetParameterLongLong?
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* @param domElement tag in xml tree
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* @param name attribute name
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* @return long long value
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*/
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quint32 VDomDocument::GetParametrUInt(const QDomElement &domElement, const QString &name, const QString &defValue) const
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{
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Q_ASSERT_X(not name.isEmpty(), Q_FUNC_INFO, "name of parametr is empty");
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Q_ASSERT_X(not domElement.isNull(), Q_FUNC_INFO, "domElement is null"); //-V591
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bool ok = false;
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QString parametr;
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quint32 id = 0;
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QString message = tr("Can't convert toUInt parameter");
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try
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{
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parametr = GetParametrString(domElement, name, defValue);
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id = parametr.toUInt(&ok);
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if (ok == false)
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{
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throw VExceptionConversionError(message, name);
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}
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}
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catch (const VExceptionEmptyParameter &e)
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{
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VExceptionConversionError excep(message, name);
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excep.AddMoreInformation(e.ErrorMessage());
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throw excep;
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}
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return id;
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}
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//---------------------------------------------------------------------------------------------------------------------
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bool VDomDocument::GetParametrBool(const QDomElement &domElement, const QString &name, const QString &defValue) const
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{
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Q_ASSERT_X(not name.isEmpty(), Q_FUNC_INFO, "name of parametr is empty");
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Q_ASSERT_X(not domElement.isNull(), Q_FUNC_INFO, "domElement is null");
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QString parametr;
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bool val = true;
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QString message = tr("Can't convert toBool parameter");
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try
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{
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parametr = GetParametrString(domElement, name, defValue);
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QStringList bools = QStringList() << QLatin1String("true") << QLatin1String("false");
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switch (bools.indexOf(parametr))
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{
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case 0: // true
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val = true;
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break;
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case 1: // false
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val = false;
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break;
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default:// others
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throw VExceptionConversionError(message, name);
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break;
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}
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}
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catch (const VExceptionEmptyParameter &e)
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{
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VExceptionConversionError excep(message, name);
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excep.AddMoreInformation(e.ErrorMessage());
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throw excep;
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}
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return val;
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}
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//---------------------------------------------------------------------------------------------------------------------
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NodeUsage VDomDocument::GetParametrUsage(const QDomElement &domElement, const QString &name) const
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{
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const bool value = GetParametrBool(domElement, name, trueStr);
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if (value)
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{
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return NodeUsage::InUse;
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}
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else
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{
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return NodeUsage::NotInUse;
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VDomDocument::SetParametrUsage(QDomElement &domElement, const QString &name, const NodeUsage &value)
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{
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if (value == NodeUsage::InUse)
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{
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domElement.setAttribute(name, trueStr);
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}
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else
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{
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domElement.setAttribute(name, falseStr);
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Returns the string value of the given attribute. RENAME: see above
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*
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* if attribute empty return default value. If default value empty too throw exception.
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* @return attribute value
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* @throw VExceptionEmptyParameter when attribute is empty
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*/
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QString VDomDocument::GetParametrString(const QDomElement &domElement, const QString &name,
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const QString &defValue) const
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{
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Q_ASSERT_X(not name.isEmpty(), Q_FUNC_INFO, "name of parametr is empty");
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Q_ASSERT_X(not domElement.isNull(), Q_FUNC_INFO, "domElement is null");
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const QString parameter = domElement.attribute(name, defValue);
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if (parameter.isEmpty())
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{
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if (defValue.isEmpty())
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{
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throw VExceptionEmptyParameter(tr("Got empty parameter"), name, domElement);
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}
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else
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{
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return defValue;
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}
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}
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return parameter;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Returns the double value of the given attribute.
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* @param domElement tag in xml tree
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* @param name attribute name
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* @return double value
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*/
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qreal VDomDocument::GetParametrDouble(const QDomElement &domElement, const QString &name, const QString &defValue) const
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{
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Q_ASSERT_X(not name.isEmpty(), Q_FUNC_INFO, "name of parametr is empty");
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Q_ASSERT_X(not domElement.isNull(), Q_FUNC_INFO, "domElement is null");
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bool ok = false;
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qreal param = 0;
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QString message = tr("Can't convert toDouble parameter");
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try
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{
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QString parametr = GetParametrString(domElement, name, defValue);
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param = parametr.replace(",", ".").toDouble(&ok);
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if (ok == false)
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{
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throw VExceptionConversionError(message, name);
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}
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}
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catch (const VExceptionEmptyParameter &e)
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{
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VExceptionConversionError excep(message, name);
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excep.AddMoreInformation(e.ErrorMessage());
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throw excep;
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}
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return param;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetParametrId return value id attribute.
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* @param domElement tag in xml tree.
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* @return id value.
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*/
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quint32 VDomDocument::GetParametrId(const QDomElement &domElement) const
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{
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Q_ASSERT_X(not domElement.isNull(), Q_FUNC_INFO, "domElement is null");
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quint32 id = NULL_ID;
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const QString message = tr("Got wrong parameter id. Need only id > 0.");
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try
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{
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id = GetParametrUInt(domElement, VDomDocument::AttrId, NULL_ID_STR);
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if (id == NULL_ID)
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{
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throw VExceptionWrongId(message, domElement);
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}
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}
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catch (const VExceptionConversionError &e)
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{
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VExceptionWrongId excep(message, domElement);
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excep.AddMoreInformation(e.ErrorMessage());
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throw excep;
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}
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return id;
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}
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//---------------------------------------------------------------------------------------------------------------------
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QString VDomDocument::UniqueTagText(const QString &tagName, const QString &defVal) const
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{
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const QDomNodeList nodeList = this->elementsByTagName(tagName);
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if (nodeList.isEmpty())
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{
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return defVal;
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}
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else
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{
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const QDomNode domNode = nodeList.at(0);
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if (domNode.isNull() == false && domNode.isElement())
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{
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const QDomElement domElement = domNode.toElement();
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if (domElement.isNull() == false)
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{
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const QString text = domElement.text();
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if (text.isEmpty())
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{
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return defVal;
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}
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else
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{
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return text;
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}
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}
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}
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}
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return defVal;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief TestUniqueId test exist unique id in pattern file. Each id must be unique.
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*/
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void VDomDocument::TestUniqueId() const
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{
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QVector<quint32> vector;
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CollectId(documentElement(), vector);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VDomDocument::CollectId(const QDomElement &node, QVector<quint32> &vector) const
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{
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if (node.hasAttribute(VDomDocument::AttrId))
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{
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const quint32 id = GetParametrId(node);
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if (vector.contains(id))
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{
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throw VExceptionWrongId(tr("This id is not unique."), node);
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}
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vector.append(id);
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}
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for (qint32 i=0; i<node.childNodes().length(); ++i)
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{
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const QDomNode n = node.childNodes().at(i);
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if (n.isElement())
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{
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CollectId(n.toElement(), vector);
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}
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief ValidateXML validate xml file by xsd schema.
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* @param schema path to schema file.
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* @param fileName name of xml file.
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*/
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void VDomDocument::ValidateXML(const QString &schema, const QString &fileName)
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{
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qCDebug(vXML, "Validation xml file %s.", qUtf8Printable(fileName));
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QFile pattern(fileName);
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// cppcheck-suppress ConfigurationNotChecked
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if (pattern.open(QIODevice::ReadOnly) == false)
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{
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const QString errorMsg(tr("Can't open file %1:\n%2.").arg(fileName).arg(pattern.errorString()));
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throw VException(errorMsg);
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}
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QFile fileSchema(schema);
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// cppcheck-suppress ConfigurationNotChecked
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if (fileSchema.open(QIODevice::ReadOnly) == false)
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{
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pattern.close();
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const QString errorMsg(tr("Can't open schema file %1:\n%2.").arg(schema).arg(fileSchema.errorString()));
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throw VException(errorMsg);
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}
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MessageHandler messageHandler;
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QXmlSchema sch;
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sch.setMessageHandler(&messageHandler);
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if (sch.load(&fileSchema, QUrl::fromLocalFile(fileSchema.fileName()))==false)
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{
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pattern.close();
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fileSchema.close();
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const QString errorMsg(tr("Could not load schema file '%1'.").arg(fileSchema.fileName()));
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throw VException(errorMsg);
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}
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qCDebug(vXML, "Schema loaded.");
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bool errorOccurred = false;
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if (sch.isValid() == false)
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{
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errorOccurred = true;
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}
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else
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{
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QXmlSchemaValidator validator(sch);
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if (validator.validate(&pattern, QUrl::fromLocalFile(pattern.fileName())) == false)
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{
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errorOccurred = true;
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}
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}
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if (errorOccurred)
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{
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pattern.close();
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fileSchema.close();
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VException e(messageHandler.statusMessage());
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e.AddMoreInformation(tr("Validation error file %3 in line %1 column %2").arg(messageHandler.line())
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.arg(messageHandler.column()).arg(fileName));
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throw e;
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}
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pattern.close();
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fileSchema.close();
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VDomDocument::setXMLContent(const QString &fileName)
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{
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QFile file(fileName);
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// cppcheck-suppress ConfigurationNotChecked
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if (file.open(QIODevice::ReadOnly) == false)
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{
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const QString errorMsg(tr("Can't open file %1:\n%2.").arg(fileName).arg(file.errorString()));
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throw VException(errorMsg);
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}
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QString errorMsg;
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int errorLine = -1;
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int errorColumn = -1;
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if (QDomDocument::setContent(&file, &errorMsg, &errorLine, &errorColumn) == false)
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{
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file.close();
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VException e(errorMsg);
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e.AddMoreInformation(tr("Parsing error file %3 in line %1 column %2").arg(errorLine).arg(errorColumn)
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.arg(fileName));
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throw e;
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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Unit VDomDocument::StrToUnits(const QString &unit)
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{
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QStringList units = QStringList() << UnitMM << UnitCM << UnitINCH << UnitPX;
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Unit result = Unit::Cm;
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switch (units.indexOf(unit))
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{
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case 0:// mm
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result = Unit::Mm;
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break;
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case 1:// cm
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result = Unit::Cm;
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break;
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case 2:// inch
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result = Unit::Inch;
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break;
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case 3:// px
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result = Unit::Px;
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break;
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default:
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result = Unit::Cm;
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break;
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}
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return result;
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}
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//---------------------------------------------------------------------------------------------------------------------
|
|
/**
|
|
* @brief UnitsToStr translate unit to string.
|
|
*
|
|
* This method used when need write unit in xml file and for showing unit in dialogs.
|
|
* @param unit curent unit
|
|
* @param translate true if need show translated name. Default value false.
|
|
* @return string reprezantation for unit.
|
|
*/
|
|
QString VDomDocument::UnitsToStr(const Unit &unit, const bool translate)
|
|
{
|
|
QString result;
|
|
switch (unit)
|
|
{
|
|
case Unit::Mm:
|
|
if (translate)
|
|
{
|
|
result = QObject::tr("mm");
|
|
}
|
|
else
|
|
{
|
|
result = UnitMM;
|
|
}
|
|
break;
|
|
case Unit::Cm:
|
|
if (translate)
|
|
{
|
|
result = QObject::tr("cm");
|
|
}
|
|
else
|
|
{
|
|
result = UnitCM;
|
|
}
|
|
break;
|
|
case Unit::Inch:
|
|
if (translate)
|
|
{
|
|
result = QObject::tr("inch");
|
|
}
|
|
else
|
|
{
|
|
result = UnitINCH;
|
|
}
|
|
break;
|
|
case Unit::Px:
|
|
if (translate)
|
|
{
|
|
result = QObject::tr("px");
|
|
}
|
|
else
|
|
{
|
|
result = UnitPX;
|
|
}
|
|
break;
|
|
default:
|
|
if (translate)
|
|
{
|
|
result = QObject::tr("cm");
|
|
}
|
|
else
|
|
{
|
|
result = UnitCM;
|
|
}
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
QString VDomDocument::UnitsHelpString()
|
|
{
|
|
QString r;
|
|
for (auto i = static_cast<int>(Unit::Mm), last = static_cast<int>(Unit::LAST_UNIT_DO_NOT_USE); i < last;++i)
|
|
{
|
|
r += UnitsToStr(static_cast<Unit>(i));
|
|
if (i < last - 1)
|
|
{
|
|
r += ", ";
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
bool VDomDocument::SaveDocument(const QString &fileName, QString &error) const
|
|
{
|
|
if (fileName.isEmpty())
|
|
{
|
|
qDebug()<<"Got empty file name.";
|
|
return false;
|
|
}
|
|
bool success = false;
|
|
QSaveFile file(fileName);
|
|
// cppcheck-suppress ConfigurationNotChecked
|
|
if (file.open(QIODevice::WriteOnly))
|
|
{
|
|
const int indent = 4;
|
|
QTextStream out(&file);
|
|
out.setCodec("UTF-8");
|
|
save(out, indent);
|
|
success = file.commit();
|
|
}
|
|
|
|
if (not success)
|
|
{
|
|
error = file.errorString();
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
// cppcheck-suppress unusedFunction
|
|
QString VDomDocument::Major() const
|
|
{
|
|
QString version = UniqueTagText(TagVersion, "0.0.0");
|
|
QStringList v = version.split(".");
|
|
return v.at(0);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
// cppcheck-suppress unusedFunction
|
|
QString VDomDocument::Minor() const
|
|
{
|
|
QString version = UniqueTagText(TagVersion, "0.0.0");
|
|
QStringList v = version.split(".");
|
|
return v.at(1);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
// cppcheck-suppress unusedFunction
|
|
QString VDomDocument::Patch() const
|
|
{
|
|
QString version = UniqueTagText(TagVersion, "0.0.0");
|
|
QStringList v = version.split(".");
|
|
return v.at(2);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
bool VDomDocument::setTagText(const QString &tag, const QString &text)
|
|
{
|
|
const QDomNodeList nodeList = this->elementsByTagName(tag);
|
|
if (nodeList.isEmpty())
|
|
{
|
|
qDebug()<<"Can't save tag "<<tag<<Q_FUNC_INFO;
|
|
}
|
|
else
|
|
{
|
|
const QDomNode domNode = nodeList.at(0);
|
|
if (domNode.isNull() == false && domNode.isElement())
|
|
{
|
|
const QDomElement domElement = domNode.toElement();
|
|
return setTagText(domElement, text);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
bool VDomDocument::setTagText(const QDomElement &domElement, const QString &text)
|
|
{
|
|
if (domElement.isNull() == false)
|
|
{
|
|
QDomElement parent = domElement.parentNode().toElement();
|
|
QDomElement newTag = createElement(domElement.tagName());
|
|
|
|
const QDomText newTagText = createTextNode(text);
|
|
newTag.appendChild(newTagText);
|
|
|
|
parent.replaceChild(newTag, domElement);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
/**
|
|
* @brief RemoveAllChildren remove all children from file.
|
|
* @param domElement tag in xml tree.
|
|
*/
|
|
void VDomDocument::RemoveAllChildren(QDomElement &domElement)
|
|
{
|
|
if ( domElement.hasChildNodes() )
|
|
{
|
|
while ( domElement.childNodes().length() >= 1 )
|
|
{
|
|
domElement.removeChild( domElement.firstChild() );
|
|
}
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
QDomNode VDomDocument::ParentNodeById(const quint32 &nodeId)
|
|
{
|
|
QDomElement domElement = NodeById(nodeId);
|
|
return domElement.parentNode();
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
QDomElement VDomDocument::CloneNodeById(const quint32 &nodeId)
|
|
{
|
|
QDomElement domElement = NodeById(nodeId);
|
|
return domElement.cloneNode().toElement();
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
QDomElement VDomDocument::NodeById(const quint32 &nodeId)
|
|
{
|
|
QDomElement domElement = elementById(QString().setNum(nodeId));
|
|
if (domElement.isNull() || domElement.isElement() == false)
|
|
{
|
|
throw VExceptionBadId(tr("Couldn't get node"), nodeId);
|
|
}
|
|
return domElement;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
bool VDomDocument::SafeCopy(const QString &source, const QString &destination, QString &error)
|
|
{
|
|
bool result = false;
|
|
|
|
#ifdef Q_OS_WIN32
|
|
qt_ntfs_permission_lookup++; // turn checking on
|
|
#endif /*Q_OS_WIN32*/
|
|
|
|
QTemporaryFile destFile(destination + QLatin1String(".XXXXXX"));
|
|
destFile.setAutoRemove(false);
|
|
// cppcheck-suppress ConfigurationNotChecked
|
|
if (not destFile.open())
|
|
{
|
|
error = destFile.errorString();
|
|
result = false;
|
|
}
|
|
else
|
|
{
|
|
QFile sourceFile(source);
|
|
// cppcheck-suppress ConfigurationNotChecked
|
|
if (sourceFile.open(QIODevice::ReadOnly))
|
|
{
|
|
result = true;
|
|
char block[4096];
|
|
qint64 bytes;
|
|
while ((bytes = sourceFile.read(block, sizeof(block))) > 0)
|
|
{
|
|
if (bytes != destFile.write(block, bytes))
|
|
{
|
|
error = destFile.errorString();
|
|
result = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (bytes == -1)
|
|
{
|
|
error = sourceFile.errorString();
|
|
result = false;
|
|
}
|
|
|
|
if (result)
|
|
{
|
|
QFile::remove(destination);
|
|
if (not destFile.rename(destination))
|
|
{
|
|
error = destFile.errorString();
|
|
result = false;
|
|
}
|
|
else
|
|
{
|
|
result = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef Q_OS_WIN32
|
|
qt_ntfs_permission_lookup--; // turn off check permission again
|
|
#endif /*Q_OS_WIN32*/
|
|
|
|
return result;
|
|
}
|