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lmms/include/PathUtil.h
2023-01-05 17:58:49 -05:00

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/*
* PathUtil.h
*
* Copyright (c) 2019-2022 Spekular <Spekularr@gmail.com>
*
* This file is part of LMMS - https://lmms.io
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#ifndef LMMS_PATHUTIL_H
#define LMMS_PATHUTIL_H
#include "lmms_export.h"
#include <QDir>
namespace lmms::PathUtil
{
enum class Base { Absolute, ProjectDir, FactorySample, UserSample, UserVST, Preset,
UserLADSPA, DefaultLADSPA, UserSoundfont, DefaultSoundfont, UserGIG, DefaultGIG,
LocalDir };
//! Return the directory associated with a given base as a QString
//! Optionally, if a pointer to boolean is given the method will
//! use it to indicate whether the prefix could be resolved properly
//! or not.
QString LMMS_EXPORT baseLocation(const Base base, bool* error = nullptr);
//! Return the directory associated with a given base as a QDir.
//! Optional pointer to boolean to indicate if the prefix could
//! be resolved properly.
QDir LMMS_EXPORT baseQDir (const Base base, bool* error = nullptr);
//! Return the prefix used to denote this base in path strings
QString LMMS_EXPORT basePrefix(const Base base);
//! Check the prefix of a path and return the base it corresponds to
//! Defaults to Base::Absolute
Base LMMS_EXPORT baseLookup(const QString & path);
//! Remove the prefix from a path, iff there is one
QString LMMS_EXPORT stripPrefix(const QString & path);
//! Get the filename for a path, handling prefixed paths correctly
QString LMMS_EXPORT cleanName(const QString & path);
//! Upgrade prefix-less relative paths to the new format
QString LMMS_EXPORT oldRelativeUpgrade(const QString & input);
//! Make this path absolute. If a pointer to boolean is given
//! it will indicate whether the path was converted successfully
QString LMMS_EXPORT toAbsolute(const QString & input, bool* error = nullptr);
//! Make this path relative to a given base, return an absolute path if that fails
QString LMMS_EXPORT relativeOrAbsolute(const QString & input, const Base base);
//! Make this path relative to any base, choosing the shortest if there are
//! multiple options. allowLocal defines whether local paths should be considered.
//! Defaults to an absolute path if all bases fail.
QString LMMS_EXPORT toShortestRelative(const QString & input, bool allowLocal = false);
} // namespace lmms::PathUtil
#endif // LMMS_PATHUTIL_H