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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/Model/Util/Path.cpp
//! @brief Implements Helpers functions.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "GUI/Model/Util/Path.h"
#include "BAVersion.h"
#include <QDateTime>
#include <QDir>
#include <QFileInfo>
#include <QMap>
#include <QStandardPaths>
namespace {
QMap<QString, QString> initializeCharacterMap()
{
QMap<QString, QString> result;
result["\\"] = "_backslash_";
result["/"] = "_slash_";
result["\""] = "_quote_";
result["<"] = "_lessthan_";
result[">"] = "_greaterthan_";
result["|"] = "_pipe_";
result["?"] = "_questionmark_";
return result;
}
const QMap<QString, QString> invalidCharacterMap = initializeCharacterMap();
} // namespace
QString GUI::Path::withTildeHomePath(const QString& path)
{
#ifdef Q_OS_WIN
return path;
#endif
static const QString homePath = QDir::homePath();
QFileInfo fi(QDir::cleanPath(path));
QString outPath = fi.absoluteFilePath();
if (outPath.startsWith(homePath))
return "~" + outPath.mid(homePath.size());
return path;
}
QString GUI::Path::getBornAgainVersionString()
{
return QString::fromStdString(BornAgain::version);
}
//! Returns valid file name to be saved on disk. This name is constructed from proposed_name
//! by replacing all special characters with text representation
//! \ backslash
//! / slash
//! " quote
//! < lessthan
//! > greaterthan
//! | pipe
//! ? questionmark
QString GUI::Path::getValidFileName(const QString& proposed_name)
{
QString result = proposed_name;
for (auto it = invalidCharacterMap.begin(); it != invalidCharacterMap.end(); ++it)
result.replace(it.key(), it.value());
return result;
}
//! Constructs the name of the file for intensity data.
QString GUI::Path::intensityDataFileName(const QString& itemName, const QString& prefix)
{
return prefix + "_" + getValidFileName(itemName) + ".int";
}
//! parses version string into 2 numbers, returns true in the case of success
bool GUI::Path::parseVersion(const QString& version, int& major_num, int& minor_num)
{
major_num = 0;
minor_num = 0;
bool success(true);
QStringList nums = version.split(".");
if (nums.size() != 2)
return false;
bool ok(false);
major_num = nums.at(0).toInt(&ok);
success &= ok;
minor_num = nums.at(1).toInt(&ok);
success &= ok;
return success;
}
int GUI::Path::versionCode(const QString& version)
{
int ba_major;
int ba_minor;
if (!parseVersion(version, ba_major, ba_minor))
return -1;
return ba_major * 100 + ba_minor;
}
//! Returns true if current BornAgain version match minimal required version
bool GUI::Path::isVersionMatchMinimal(const QString& version, const QString& minimal_version)
{
return versionCode(version) >= versionCode(minimal_version);
}
//! Returns file directory from the full file path
QString GUI::Path::fileDir(const QString& fname)
{
QFileInfo info(fname);
if (info.exists())
return info.dir().path();
return "";
}
//! Returns base name of file.
QString GUI::Path::baseName(const QString& fname)
{
QFileInfo info(fname);
return info.baseName();
}
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