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/*
* Copyright (C) 2014 Aaron Seigo <aseigo@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) version 3, or any
* later version accepted by the membership of KDE e.V. (or its
* successor approved by the membership of KDE e.V.), which shall
* act as a proxy defined in Section 6 of version 3 of the license.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "datasetdefinition.h"
#include <QDateTime>
#include <QDebug>
#include <QFile>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <iostream>
namespace HAWD
{
static QHash<QString, QMetaType::Type> s_types;
DataDefinition::DataDefinition(const QString &name, QMetaType::Type type, const QString &unit, int min, int max)
: m_name(name),
m_type(type),
m_unit(unit),
m_min(min),
m_max(max)
{
}
DataDefinition::DataDefinition(const QJsonObject &json)
: m_name(json.value("name").toString()),
m_type(QMetaType::Int),
m_unit(json.value("unit").toString()),
m_min(json.value("min").toInt()),
m_max(json.value("max").toInt())
{
if (s_types.isEmpty()) {
s_types.insert("date", QMetaType::QDate);
s_types.insert("time", QMetaType::QTime);
s_types.insert("int", QMetaType::Int);
s_types.insert("uint", QMetaType::UInt);
s_types.insert("bool", QMetaType::Bool);
s_types.insert("float", QMetaType::Float);
s_types.insert("double", QMetaType::Double);
s_types.insert("char", QMetaType::QChar);
s_types.insert("string", QMetaType::QString);
s_types.insert("datetime", QMetaType::QDateTime);
}
const QString typeString = json.value("type").toString().toLower();
if (s_types.contains(typeString)) {
m_type = s_types.value(typeString);
}
}
QString DataDefinition::name() const
{
return m_name;
}
QString DataDefinition::typeString() const
{
return QMetaType::typeName(m_type);
}
QMetaType::Type DataDefinition::type() const
{
return m_type;
}
QString DataDefinition::unit() const
{
return m_unit;
}
int DataDefinition::min() const
{
return m_min;
}
int DataDefinition::max() const
{
return m_max;
}
DatasetDefinition::DatasetDefinition(const QString &path)
: m_valid(false)
{
QFile file(path);
m_name = file.fileName();
if (file.open(QIODevice::ReadOnly)) {
QJsonParseError error;
QJsonDocument jsonDoc = QJsonDocument::fromJson(file.readAll(), &error);
if (jsonDoc.isNull()) {
m_lastError = QObject::tr("Dataset definition file malformed at character %1: %2").arg(error.offset).arg(error.errorString());
} else {
m_valid = true;
QJsonObject json = jsonDoc.object();
const QString name = json.value("name").toString();
if (!name.isEmpty()) {
m_name = name;
}
m_description = json.value("description").toString();
auto cols = json.value("columns").toArray();
for (QJsonValueRef entry: cols) {
QJsonObject def = entry.toObject();
if (!def.isEmpty()) {
m_columns << qMakePair(def.value("name").toString(), DataDefinition(def));
}
}
}
} else {
m_lastError = QObject::tr("Could not open file for parsing: ").arg(path);
}
}
bool DatasetDefinition::isValid() const
{
return m_valid;
}
QString DatasetDefinition::lastError() const
{
return m_lastError;
}
QString DatasetDefinition::name() const
{
return m_name;
}
QString DatasetDefinition::description() const
{
return m_description;
}
QList<QPair<QString, DataDefinition> > DatasetDefinition::columns() const
{
return m_columns;
}
} // namespace HAWD
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