487 lines
15 KiB
C++
487 lines
15 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 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 "../exception/vexceptionconversionerror.h"
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#include "../exception/vexceptionemptyparameter.h"
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#include "../exception/vexceptionbadid.h"
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#include <QAbstractMessageHandler>
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#include <QXmlSchema>
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#include <QXmlSchemaValidator>
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#include <QFile>
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#include <QFileInfo>
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#include <QTemporaryFile>
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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)
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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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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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const QString VDomDocument::AttrId = QStringLiteral("id");
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const QString VDomDocument::AttrUnit = QStringLiteral("unit");
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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::TagVersion = QStringLiteral("version");
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//---------------------------------------------------------------------------------------------------------------------
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VDomDocument::VDomDocument(VContainer *data)
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: QDomDocument(), data(data), map(QHash<QString, QDomElement>())
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{}
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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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void VDomDocument::removeAllChilds(QDomElement &element)
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{
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QDomNode domNode = element.firstChild();
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while (domNode.isNull() == false)
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{
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if (domNode.isElement())
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{
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QDomElement domElement = domNode.toElement();
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if (domElement.isNull() == false)
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{
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element.removeChild(domElement);
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}
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}
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domNode = element.firstChild();
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}
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}
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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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quint32 VDomDocument::GetParametrUInt(const QDomElement &domElement, const QString &name, const QString &defValue) const
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{
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Q_ASSERT_X(name.isEmpty() == false, Q_FUNC_INFO, "name of parametr is empty");
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Q_ASSERT_X(domElement.isNull() == false, Q_FUNC_INFO, "domElement is null");
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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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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(name.isEmpty() == false, Q_FUNC_INFO, "name of parametr is empty");
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Q_ASSERT_X(domElement.isNull() == false, 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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qreal VDomDocument::GetParametrDouble(const QDomElement &domElement, const QString &name, const QString &defValue) const
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{
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Q_ASSERT_X(name.isEmpty() == false, Q_FUNC_INFO, "name of parametr is empty");
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Q_ASSERT_X(domElement.isNull() == false, 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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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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return domElement.text();
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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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void VDomDocument::ValidateXML(const QString &schema, const QString &fileName)
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{
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QFile pattern(fileName);
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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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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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sch.load(&fileSchema, QUrl::fromLocalFile(fileSchema.fileName()));
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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 in line %1 column %2").arg(messageHandler.line())
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.arg(messageHandler.column()));
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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::setContent(const QString &fileName)
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{
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QFile file(fileName);
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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("Parcing error in line %1 column %2").arg(errorLine).arg(errorColumn));
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throw e;
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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Valentina::Units VDomDocument::StrToUnits(const QString &unit)
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{
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QStringList units;
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units << UnitMM << UnitCM << UnitINCH;
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Valentina::Units result = Valentina::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 = Valentina::Mm;
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break;
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case 1:// cm
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result = Valentina::Cm;
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break;
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case 2:// inch
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result = Valentina::Inch;
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break;
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default:
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result = Valentina::Cm;
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break;
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}
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return result;
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}
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//---------------------------------------------------------------------------------------------------------------------
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QString VDomDocument::UnitsToStr(const Valentina::Units &unit)
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{
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QString result;
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switch (unit)
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{
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case Valentina::Mm:
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result = "mm";
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break;
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case Valentina::Cm:
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result = "cm";
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break;
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case Valentina::Inch:
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result = "inch";
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break;
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default:
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result = "cm";
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break;
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}
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return result;
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}
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//---------------------------------------------------------------------------------------------------------------------
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bool VDomDocument::SaveDocument(const QString &fileName)
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{
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if (fileName.isEmpty())
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{
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qDebug()<<"Got empty file name.";
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return false;
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}
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//Writing in temporary file
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QFileInfo tempInfo(fileName);
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QString temp = tempInfo.absolutePath() + "/" + tempInfo.baseName() + ".tmp";
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QFile tempFile(temp);
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if (tempFile.open(QIODevice::WriteOnly| QIODevice::Truncate))
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{
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const int indent = 4;
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QTextStream out(&tempFile);
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out.setCodec("UTF-8");
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save(out, indent);
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tempFile.close();
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}
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//Replace temp file our
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bool result = false;
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QFile patternFile(fileName);
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// We need here temporary file because we need restore document after error of copying temp file.
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QTemporaryFile tempOfPattern;
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if (tempOfPattern.open())
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{
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patternFile.copy(tempOfPattern.fileName());
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}
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if ( patternFile.exists() == false || patternFile.remove() )
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{
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if ( tempFile.copy(patternFile.fileName()) == false )
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{
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qDebug()<<"Could not copy temp file to document file"<<Q_FUNC_INFO;
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tempOfPattern.copy(fileName);
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result = false;
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}
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else
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{
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tempFile.remove();
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result = true;
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}
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}
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else
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{
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qDebug()<<"Could not remove document file"<<Q_FUNC_INFO;
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result = false;
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}
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return result;
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}
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//---------------------------------------------------------------------------------------------------------------------
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QString VDomDocument::Major() const
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{
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QString version = UniqueTagText(TagVersion, "0.0.0");
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QStringList v = version.split(".");
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return v.at(0);
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}
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//---------------------------------------------------------------------------------------------------------------------
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QString VDomDocument::Minor() const
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{
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QString version = UniqueTagText(TagVersion, "0.0.0");
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QStringList v = version.split(".");
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return v.at(1);
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}
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//---------------------------------------------------------------------------------------------------------------------
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QString VDomDocument::Patch() const
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{
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QString version = UniqueTagText(TagVersion, "0.0.0");
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QStringList v = version.split(".");
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return v.at(2);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VDomDocument::setTagText(const QString &tag, const QString &text)
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{
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const QDomNodeList nodeList = this->elementsByTagName(tag);
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if (nodeList.isEmpty())
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{
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qDebug()<<"Can't save tag "<<tag<<Q_FUNC_INFO;
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return;
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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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QDomElement parent = domElement.parentNode().toElement();
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QDomElement newTag = createElement(tag);
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const QDomText newTagText = createTextNode(text);
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newTag.appendChild(newTagText);
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parent.replaceChild(newTag, domElement);
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return;
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}
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}
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}
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}
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