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workinf_Blender_Wasm/blender-5.2.0/intern/ghost/GHOST_ISystemPaths.hh
2026-08-12 04:47:48 -04:00

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C++

/* SPDX-FileCopyrightText: 2009 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup GHOST
*/
#pragma once
#include <optional>
#include <string>
#include "GHOST_Types.hh"
class GHOST_ISystemPaths {
public:
/**
* Creates the one and only system.
* \return An indication of success.
*/
static GHOST_TSuccess create();
/**
* Disposes the one and only system.
* \return An indication of success.
*/
static GHOST_TSuccess dispose();
/**
* Returns a pointer to the one and only system.
* \return A pointer to the system.
*/
static GHOST_ISystemPaths *get();
protected:
/**
* Constructor.
* Protected default constructor to force use of static createSystem member.
*/
GHOST_ISystemPaths() {}
/**
* Destructor.
* Protected default constructor to force use of static dispose member.
*/
virtual ~GHOST_ISystemPaths() = default;
public:
/**
* Determine the base directory in which shared resources are located. It will first try to use
* "unpack and run" path, then look for properly installed path, including versioning.
* \return Unsigned char string pointing to system directory (eg `/usr/share/blender/`).
*/
virtual const char *getSystemDir(int version, const char *versionstr) const = 0;
/**
* The base directory where architecture-dependent files are located,
* mirroring #getSystemDir under the install lib tree (eg `/usr/lib/blender/`).
*
* \return String pointing to the system libraries directory,
* or null when this build has no separate system library directory.
*
* For portable builds this function always returns null, for specific details
* see CMake's `BLENDER_INSTALL_LIBDIR` define for when this is/isn't used and why.
*/
virtual const char *getSystemLibsDir(int /*version*/, const char * /*versionstr*/) const
{
return nullptr;
}
/**
* Determine the base directory in which user configuration is stored, including versioning.
* If needed, it will create the base directory.
* \return Unsigned char string pointing to user directory (eg `~/.blender/`).
*/
virtual const char *getUserDir(int version, const char *versionstr) const = 0;
/**
* Determine a special ("well known") and easy to reach user directory.
* \return If successfull, a string containing the user directory path (eg `~/Documents/`).
*/
virtual std::optional<std::string> getUserSpecialDir(GHOST_TUserSpecialDirTypes type) const = 0;
/**
* Determine the directory of the current binary
* \return Unsigned char string pointing to the binary directory.
*/
virtual const char *getBinaryDir() const = 0;
/**
* Add the file to the operating system most recently used files
*/
virtual void addToSystemRecentFiles(const char *filepath) const = 0;
private:
/** The one and only system paths. */
static GHOST_ISystemPaths *system_paths_;
MEM_CXX_CLASS_ALLOC_FUNCS("GHOST:GHOST_ISystemPaths")
};