mirror of
https://gitlab.com/smart-pattern/valentina.git
synced 2024-09-17 22:34:02 +02:00
603 lines
19 KiB
C++
603 lines
19 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 "../options.h"
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#include "../core/vapplication.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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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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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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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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/**
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* @brief Removes all children of a given element tag. RENAME: removeAllChildren
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* @param element tag
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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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/**
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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(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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bool VDomDocument::GetParametrBool(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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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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/**
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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(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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/**
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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(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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/**
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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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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 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::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("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;
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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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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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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief UnitsToStr translate unit to string.
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*
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* This method used when need write unit in xml file and for showing unit in dialogs.
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* @param unit curent unit
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* @param translate true if need show translated name. Default value false.
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* @return string reprezantation for unit.
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*/
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QString VDomDocument::UnitsToStr(const Unit &unit, const bool translate)
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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 Unit::Mm:
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if (translate)
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{
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result = QObject::tr("mm");
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}
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else
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{
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result = UnitMM;
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}
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break;
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case Unit::Cm:
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if (translate)
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{
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result = QObject::tr("cm");
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}
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else
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{
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result = UnitCM;
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}
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break;
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case Unit::Inch:
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if (translate)
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{
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result = QObject::tr("inch");
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}
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else
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{
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result = UnitINCH;
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}
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break;
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default:
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if (translate)
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{
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result = QObject::tr("cm");
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}
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else
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{
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result = UnitCM;
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}
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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, QString &error)
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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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//Copy document to file
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bool result = VApplication::SafeCopy(temp, fileName, error);
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tempFile.remove();//Clear temp file
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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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{
|
|
QDomElement parent = domElement.parentNode().toElement();
|
|
QDomElement newTag = createElement(tag);
|
|
const QDomText newTagText = createTextNode(text);
|
|
newTag.appendChild(newTagText);
|
|
|
|
parent.replaceChild(newTag, domElement);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
/**
|
|
* @brief RemoveAllChild remove all child from file.
|
|
* @param domElement tag in xml tree.
|
|
*/
|
|
void VDomDocument::RemoveAllChild(QDomElement &domElement)
|
|
{
|
|
if ( domElement.hasChildNodes() )
|
|
{
|
|
while ( domElement.childNodes().length() >= 1 )
|
|
{
|
|
domElement.removeChild( domElement.firstChild() );
|
|
}
|
|
}
|
|
}
|