////  PathUtils.cpp//  libraries/shared/src////  Created by Brad Hefta-Gaub on 12/15/14.//  Copyright 2014 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include <QCoreApplication>#include <QString>#include <QVector>#include <QDateTime>#include <QFileInfo>#include <QDir>#include <QUrl>#include "PathUtils.h"#include <QtCore/QStandardPaths>#include <mutex> // std::once const QString& PathUtils::resourcesPath() {#ifdef Q_OS_MAC    static QString staticResourcePath = QCoreApplication::applicationDirPath() + "/../Resources/";#else    static QString staticResourcePath = QCoreApplication::applicationDirPath() + "/resources/";#endif     return staticResourcePath;} QString PathUtils::getRootDataDirectory() {    auto dataPath = QStandardPaths::writableLocation(QStandardPaths::HomeLocation); #ifdef Q_OS_WIN    dataPath += "/AppData/Roaming/";#elif defined(Q_OS_OSX)    dataPath += "/Library/Application Support/";#else    dataPath += "/.local/share/";#endif     return dataPath;} QString fileNameWithoutExtension(const QString& fileName, const QVector<QString> possibleExtensions) {    QString fileNameLowered = fileName.toLower();    foreach (const QString possibleExtension, possibleExtensions) {        if (fileNameLowered.endsWith(possibleExtension.toLower())) {            return fileName.left(fileName.count() - possibleExtension.count() - 1);        }    }    return fileName;} QString findMostRecentFileExtension(const QString& originalFileName, QVector<QString> possibleExtensions) {    QString sansExt = fileNameWithoutExtension(originalFileName, possibleExtensions);    QString newestFileName = originalFileName;    QDateTime newestTime = QDateTime::fromMSecsSinceEpoch(0);    foreach (QString possibleExtension, possibleExtensions) {        QString fileName = sansExt + "." + possibleExtension;        QFileInfo fileInfo(fileName);        if (fileInfo.exists() && fileInfo.lastModified() > newestTime) {            newestFileName = fileName;            newestTime = fileInfo.lastModified();        }    }    return newestFileName;} QUrl defaultScriptsLocation() {    // return "http://s3.amazonaws.com/hifi-public";#ifdef Q_OS_WIN    QString path = QCoreApplication::applicationDirPath() + "/scripts";#elif defined(Q_OS_OSX)    QString path = QCoreApplication::applicationDirPath() + "/../Resources/scripts";#else    QString path = QCoreApplication::applicationDirPath() + "/scripts";#endif     QFileInfo fileInfo(path);    return QUrl::fromLocalFile(fileInfo.canonicalFilePath());}  QString PathUtils::stripFilename(const QUrl& url) {    // Guard against meaningless query and fragment parts.    // Do NOT use PreferLocalFile as its behavior is unpredictable (e.g., on defaultScriptsLocation())    return url.toString(QUrl::RemoveFilename | QUrl::RemoveQuery | QUrl::RemoveFragment);} Qt::CaseSensitivity PathUtils::getFSCaseSensitivity() {    static Qt::CaseSensitivity sensitivity { Qt::CaseSensitive };    static std::once_flag once;    std::call_once(once, [&] {            QString path = defaultScriptsLocation().toLocalFile();            QFileInfo upperFI(path.toUpper());            QFileInfo lowerFI(path.toLower());            sensitivity = (upperFI == lowerFI) ? Qt::CaseInsensitive : Qt::CaseSensitive;        });    return sensitivity;} bool PathUtils::isDescendantOf(const QUrl& childURL, const QUrl& parentURL) {    QString child = stripFilename(childURL);    QString parent = stripFilename(parentURL);    return child.startsWith(parent, PathUtils::getFSCaseSensitivity());}