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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2010 Blender Foundation. All rights reserved. */
/** \file
* \ingroup GHOST
*/
#include <sstream>
#include "GHOST_SystemPathsUnix.h"
#include "GHOST_Debug.h"
/* For timing. */
#include <sys/time.h>
#include <unistd.h>
#include <pwd.h> /* For get home without use `getenv()`. */
#include <string>
using std::string;
#ifdef PREFIX
static const char *static_path = PREFIX "/share";
#else
static const char *static_path = nullptr;
#endif
GHOST_SystemPathsUnix::GHOST_SystemPathsUnix()
{
}
GHOST_SystemPathsUnix::~GHOST_SystemPathsUnix()
{
}
const char *GHOST_SystemPathsUnix::getSystemDir(int /*version*/, const char *versionstr) const
{
/* no prefix assumes a portable build which only uses bundled scripts */
if (static_path) {
static string system_path = string(static_path) + "/blender/" + versionstr;
return system_path.c_str();
}
return nullptr;
}
const char *GHOST_SystemPathsUnix::getUserDir(int version, const char *versionstr) const
{
static string user_path = "";
static int last_version = 0;
/* in blender 2.64, we migrate to XDG. to ensure the copy previous settings
* operator works we give a different path depending on the requested version */
if (version < 264) {
if (user_path.empty() || last_version != version) {
const char *home = getenv("HOME");
last_version = version;
if (home) {
user_path = string(home) + "/.blender/" + versionstr;
}
else {
return nullptr;
}
}
return user_path.c_str();
}
if (user_path.empty() || last_version != version) {
const char *home = getenv("XDG_CONFIG_HOME");
last_version = version;
if (home) {
user_path = string(home) + "/blender/" + versionstr;
}
else {
home = getenv("HOME");
if (home == nullptr) {
home = getpwuid(getuid())->pw_dir;
}
user_path = string(home) + "/.config/blender/" + versionstr;
}
}
return user_path.c_str();
}
const char *GHOST_SystemPathsUnix::getUserSpecialDir(GHOST_TUserSpecialDirTypes type) const
{
const char *type_str;
std::string add_path = "";
switch (type) {
case GHOST_kUserSpecialDirDesktop:
type_str = "DESKTOP";
break;
case GHOST_kUserSpecialDirDocuments:
type_str = "DOCUMENTS";
break;
case GHOST_kUserSpecialDirDownloads:
type_str = "DOWNLOAD";
break;
case GHOST_kUserSpecialDirMusic:
type_str = "MUSIC";
break;
case GHOST_kUserSpecialDirPictures:
type_str = "PICTURES";
break;
case GHOST_kUserSpecialDirVideos:
type_str = "VIDEOS";
break;
case GHOST_kUserSpecialDirCaches: {
const char *cache_dir = getenv("XDG_CACHE_HOME");
if (cache_dir) {
return cache_dir;
}
/* Fallback to ~home/.cache/.
* When invoking `xdg-user-dir` without parameters the user folder
* will be read. `.cache` will be appended. */
type_str = "";
add_path = ".cache";
break;
}
default:
GHOST_ASSERT(
false,
"GHOST_SystemPathsUnix::getUserSpecialDir(): Invalid enum value for type parameter");
return nullptr;
}
static string path = "";
/* Pipe `stderr` to `/dev/null` to avoid error prints. We will fail gracefully still. */
string command = string("xdg-user-dir ") + type_str + " 2> /dev/null";
FILE *fstream = popen(command.c_str(), "r");
if (fstream == nullptr) {
return nullptr;
}
std::stringstream path_stream;
while (!feof(fstream)) {
char c = fgetc(fstream);
/* `xdg-user-dir` ends the path with '\n'. */
if (c == '\n') {
break;
}
path_stream << c;
}
if (pclose(fstream) == -1) {
perror("GHOST_SystemPathsUnix::getUserSpecialDir failed at pclose()");
return nullptr;
}
if (!add_path.empty()) {
path_stream << '/' << add_path;
}
path = path_stream.str();
return path[0] ? path.c_str() : nullptr;
}
const char *GHOST_SystemPathsUnix::getBinaryDir() const
{
return nullptr;
}
void GHOST_SystemPathsUnix::addToSystemRecentFiles(const char * /*filename*/) const
{
/* TODO: implement for X11 */
}
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