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/*****************************************************************************
* $CAMITK_LICENCE_BEGIN$
*
* CamiTK - Computer Assisted Medical Intervention ToolKit
* (c) 2001-2025 Univ. Grenoble Alpes, CNRS, Grenoble INP - UGA, TIMC, 38000 Grenoble, France
*
* Visit http://camitk.imag.fr for more information
*
* This file is part of CamiTK.
*
* CamiTK is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* CamiTK 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 version 3 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with CamiTK. If not, see <http://www.gnu.org/licenses/>.
*
* $CAMITK_LICENCE_END$
****************************************************************************/
#include "CamiTKFile.h"
#include "Log.h"
#include <QVariant>
#include <QMap>
#include <QList>
#include <QString>
#include <QJsonDocument>
#include <QDateTime>
#include <QFile>
#include <QIODevice>
#include <QUrl>
namespace camitk {
const char* CamiTKFile::version = "camitk-6.0";
const int CamiTKFile::maxFileSize = 10000000; // Max 10 MB
CamiTKFile CamiTKFile::load(QString filepath) {
CamiTKFile camiTKOut;
QFile fileIn(filepath);
QJsonParseError jsonParseError;
if (fileIn.open(QIODevice::ReadOnly)) {
// for security reason do not try to load files that are larger than the limit.
if (fileIn.size() < CamiTKFile::maxFileSize) {
// read first the file as byte array
QByteArray rawJSon = fileIn.readAll();
QJsonDocument jsonDoc = QJsonDocument::fromJson(rawJSon, &jsonParseError);
if (jsonDoc.isNull()) {
// extract the string from the error offset to the next return carriage
QString jsonErrorData(rawJSon.mid(jsonParseError.offset, rawJSon.indexOf("\n", jsonParseError.offset) - jsonParseError.offset));
int lineNr = rawJSon.left(jsonParseError.offset).count('\n');
QString errorLine(rawJSon.split('\n')[lineNr - 1]);
CAMITK_ERROR_ALT(
QObject::tr("Error reading json file %1:\n%2:\n%3\nOn line %4:\n%5")
.arg(filepath)
.arg(jsonParseError.errorString())
.arg(jsonErrorData)
.arg(lineNr)
.arg(errorLine));
camiTKOut.content = {};
}
else {
QVariantMap fullContent = jsonDoc.toVariant().toMap();
if (fullContent.contains("camitk")) {
camiTKOut.content = fullContent.value("camitk").toMap();
}
else {
camiTKOut.content = {}; // Invalid (no "version")
}
}
}
else {
CAMITK_WARNING_ALT(QObject::tr("Could not load CamiTK file \"%1\", it is over the maximum size limit (%2 > %3 bytes)! ").arg(filepath).arg(fileIn.size()).arg(CamiTKFile::maxFileSize));
}
}
return camiTKOut;
}
CamiTKFile CamiTKFile::load(QUrl url) {
if (url.isLocalFile()) { // file://
return CamiTKFile::load(url.toLocalFile());
}
else { // Nothing else is supported (zip:// http:// ...)
return CamiTKFile();
}
}
CamiTKFile::CamiTKFile() {
// Init header data
content = {};
setCurrentVersion();
setCurrentTimestamp();
}
bool CamiTKFile::save(QString filepath) {
QFile outFile(filepath);
if (outFile.open(QIODevice::WriteOnly)) {
setCurrentTimestamp();
setCurrentVersion();
QVariantMap fullContent = {{"camitk", content},};
QJsonDocument jsonContent = QJsonDocument::fromVariant(fullContent);
outFile.write(jsonContent.toJson(QJsonDocument::Indented));
outFile.close();
return true;
}
else {
return false;
}
}
bool CamiTKFile::save(QUrl url) {
setCurrentTimestamp();
if (url.isLocalFile()) {
return save(url.toLocalFile());
}
else {
return false; // Not supported
}
}
bool CamiTKFile::isValid() {
return content.contains("version");
}
QString CamiTKFile::getVersion() {
return content["version"].toString();
}
QDateTime CamiTKFile::getTimestamp() {
return QDateTime::fromString(content["timestamp"].toString(), Qt::ISODate);
}
void CamiTKFile::setCurrentVersion() {
content["version"] = QString::fromStdString(CamiTKFile::version);
}
void CamiTKFile::setCurrentTimestamp() {
content["timestamp"] = QDateTime::currentDateTime().toString(Qt::ISODate);
}
void CamiTKFile::addContent(QString key, const QVariant value) {
content[key] = value;
}
bool CamiTKFile::hasContent(QString key) {
return content.contains(key);
}
QVariant CamiTKFile::getContent(QString key) {
return content.value(key);
}
} // namespace camitk
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