calculate-utils-2.2-install-gui/src/calculateconfig.cpp

#include "calculateconfig.h"

#include <QProcess>
#include <QDebug>

#include <QtXml>


CalculateConfig* CalculateConfig::_instance = 0;

CalculateConfig::CalculateConfig()
{
}

CalculateConfig::~CalculateConfig()
{
}

CalculateConfig* CalculateConfig::instance()
{
	if ( !_instance )
		_instance = new CalculateConfig();
	return _instance;
}

bool CalculateConfig::getDefaultConfig()
{
	// start cl-install -v and parse out
	QProcess	cl_install;

	qDebug() << "Start cl-install -v --xml";
	cl_install.start("cl-install", QStringList() << "-v" << "--xml");

	if ( !cl_install.waitForStarted() )
		return false;

	if ( !cl_install.waitForFinished() )
		return false;

	QString			outVars = cl_install.readAll();

	QDomDocument	xmlVars;
	QString			errMsg;
	int				errLine;
	int				errColumn;

	if ( xmlVars.setContent(outVars, true, &errMsg, &errLine, &errColumn) )
	{
		QDomElement domRoot = xmlVars.documentElement();
		if (domRoot.tagName() == "variables") {
			parseVariables(domRoot);
		} else {
			qDebug() << "Section \"variables\" not found";
			return false;
		}
	}

	return true;
}

void CalculateConfig::parseVariables(const QDomNode& node)
{
	QDomNode domNode = node.firstChild();
	while ( !domNode.isNull() )
	{
		if ( domNode.isElement() )
		{
			QDomElement domElement = domNode.toElement();
			if ( !domElement.isNull() )
			{
				if (domElement.tagName() == "var")
				{
					if (domElement.attribute("type") == "var")
					{
						parseVar(domElement);
					}
					else if (domElement.attribute("type") == "list")
					{
						parseVarList(domElement);
					}
				}
			}
		}
		domNode = domNode.nextSibling();
	}
}

void CalculateConfig::parseVar(const QDomNode& node)
{
	QString		name = node.toElement().attribute("name");
	QDomNode 	domNode = node.firstChild();

	while ( !domNode.isNull() )
	{
		if ( domNode.isElement() )
		{
			QDomElement domElement = domNode.toElement();
			if ( !domElement.isNull() )
			{
				if (domElement.tagName() == "value")
				{
					//qDebug() << "var  " << name << " = " << domElement.text();
					m_Config[name] = QVariant( domElement.text() );
				}
			}
		}
		domNode = domNode.nextSibling();
	}
}

void CalculateConfig::parseVarList(const QDomNode& node)
{
	QStringList	resList;
	QString		name = node.toElement().attribute("name");
	QDomNode 	domNode = node.firstChild();

	while ( !domNode.isNull() )
	{
		if ( domNode.isElement() )
		{
			QDomElement domElement = domNode.toElement();
			if ( !domElement.isNull() )
			{
				if (domElement.tagName() == "value")
				{
					//qDebug() << "list " << name << " = " << domElement.text();
					resList << domElement.text();
				}
			}
		}
		domNode = domNode.nextSibling();
	}
	if ( !resList.isEmpty() )
	{
		m_Config[name] = QVariant( resList );
	}
}