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- /*************************************************************************/
- /* dir_access_unix.cpp */
- /*************************************************************************/
- /* This file is part of: */
- /* GODOT ENGINE */
- /* https://godotengine.org */
- /*************************************************************************/
- /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
- /* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
- /* */
- /* Permission is hereby granted, free of charge, to any person obtaining */
- /* a copy of this software and associated documentation files (the */
- /* "Software"), to deal in the Software without restriction, including */
- /* without limitation the rights to use, copy, modify, merge, publish, */
- /* distribute, sublicense, and/or sell copies of the Software, and to */
- /* permit persons to whom the Software is furnished to do so, subject to */
- /* the following conditions: */
- /* */
- /* The above copyright notice and this permission notice shall be */
- /* included in all copies or substantial portions of the Software. */
- /* */
- /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
- /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
- /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
- /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
- /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
- /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
- /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
- /*************************************************************************/
- #include "dir_access_unix.h"
- #if defined(UNIX_ENABLED) || defined(LIBC_FILEIO_ENABLED)
- #ifndef ANDROID_ENABLED
- #include <sys/statvfs.h>
- #endif
- #include "core/list.h"
- #include "os/memory.h"
- #include "print_string.h"
- #include <errno.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #ifdef HAVE_MNTENT
- #include <mntent.h>
- #endif
- DirAccess *DirAccessUnix::create_fs() {
- return memnew(DirAccessUnix);
- }
- Error DirAccessUnix::list_dir_begin() {
- list_dir_end(); //close any previous dir opening!
- //char real_current_dir_name[2048]; //is this enough?!
- //getcwd(real_current_dir_name,2048);
- //chdir(curent_path.utf8().get_data());
- dir_stream = opendir(current_dir.utf8().get_data());
- //chdir(real_current_dir_name);
- if (!dir_stream)
- return ERR_CANT_OPEN; //error!
- return OK;
- }
- bool DirAccessUnix::file_exists(String p_file) {
- GLOBAL_LOCK_FUNCTION
- if (p_file.is_rel_path())
- p_file = current_dir.plus_file(p_file);
- p_file = fix_path(p_file);
- struct stat flags;
- bool success = (stat(p_file.utf8().get_data(), &flags) == 0);
- if (success && S_ISDIR(flags.st_mode)) {
- success = false;
- }
- return success;
- }
- bool DirAccessUnix::dir_exists(String p_dir) {
- GLOBAL_LOCK_FUNCTION
- if (p_dir.is_rel_path())
- p_dir = get_current_dir().plus_file(p_dir);
- p_dir = fix_path(p_dir);
- struct stat flags;
- bool success = (stat(p_dir.utf8().get_data(), &flags) == 0);
- if (success && S_ISDIR(flags.st_mode))
- return true;
- return false;
- }
- uint64_t DirAccessUnix::get_modified_time(String p_file) {
- if (p_file.is_rel_path())
- p_file = current_dir.plus_file(p_file);
- p_file = fix_path(p_file);
- struct stat flags;
- bool success = (stat(p_file.utf8().get_data(), &flags) == 0);
- if (success) {
- return flags.st_mtime;
- } else {
- ERR_FAIL_V(0);
- };
- return 0;
- };
- String DirAccessUnix::get_next() {
- if (!dir_stream)
- return "";
- dirent *entry;
- entry = readdir(dir_stream);
- if (entry == NULL) {
- list_dir_end();
- return "";
- }
- //typedef struct stat Stat;
- struct stat flags;
- String fname = fix_unicode_name(entry->d_name);
- String f = current_dir.plus_file(fname);
- if (stat(f.utf8().get_data(), &flags) == 0) {
- if (S_ISDIR(flags.st_mode)) {
- _cisdir = true;
- } else {
- _cisdir = false;
- }
- } else {
- _cisdir = false;
- }
- _cishidden = (fname != "." && fname != ".." && fname.begins_with("."));
- return fname;
- }
- bool DirAccessUnix::current_is_dir() const {
- return _cisdir;
- }
- bool DirAccessUnix::current_is_hidden() const {
- return _cishidden;
- }
- void DirAccessUnix::list_dir_end() {
- if (dir_stream)
- closedir(dir_stream);
- dir_stream = 0;
- _cisdir = false;
- }
- #if defined(HAVE_MNTENT) && defined(X11_ENABLED)
- static bool _filter_drive(struct mntent *mnt) {
- // Ignore devices that don't point to /dev
- if (strncmp(mnt->mnt_fsname, "/dev", 4) != 0) {
- return false;
- }
- // Accept devices mounted at common locations
- if (strncmp(mnt->mnt_dir, "/media", 6) == 0 ||
- strncmp(mnt->mnt_dir, "/mnt", 4) == 0 ||
- strncmp(mnt->mnt_dir, "/home", 5) == 0 ||
- strncmp(mnt->mnt_dir, "/run/media", 10) == 0) {
- return true;
- }
- // Ignore everything else
- return false;
- }
- #endif
- static void _get_drives(List<String> *list) {
- #if defined(HAVE_MNTENT) && defined(X11_ENABLED)
- // Check /etc/mtab for the list of mounted partitions
- FILE *mtab = setmntent("/etc/mtab", "r");
- if (mtab) {
- struct mntent mnt;
- char strings[4096];
- while (getmntent_r(mtab, &mnt, strings, sizeof(strings))) {
- if (mnt.mnt_dir != NULL && _filter_drive(&mnt)) {
- // Avoid duplicates
- if (!list->find(mnt.mnt_dir)) {
- list->push_back(mnt.mnt_dir);
- }
- }
- }
- endmntent(mtab);
- }
- #endif
- // Add $HOME
- const char *home = getenv("HOME");
- if (home) {
- // Only add if it's not a duplicate
- if (!list->find(home)) {
- list->push_back(home);
- }
- // Check $HOME/.config/gtk-3.0/bookmarks
- char path[1024];
- snprintf(path, 1024, "%s/.config/gtk-3.0/bookmarks", home);
- FILE *fd = fopen(path, "r");
- if (fd) {
- char string[1024];
- while (fgets(string, 1024, fd)) {
- // Parse only file:// links
- if (strncmp(string, "file://", 7) == 0) {
- // Strip any unwanted edges on the strings and push_back if it's not a duplicate
- String fpath = String(string + 7).strip_edges();
- if (!list->find(fpath)) {
- list->push_back(fpath);
- }
- }
- }
- fclose(fd);
- }
- }
- list->sort();
- }
- int DirAccessUnix::get_drive_count() {
- List<String> list;
- _get_drives(&list);
- return list.size();
- }
- String DirAccessUnix::get_drive(int p_drive) {
- List<String> list;
- _get_drives(&list);
- ERR_FAIL_INDEX_V(p_drive, list.size(), "");
- return list[p_drive];
- }
- Error DirAccessUnix::make_dir(String p_dir) {
- GLOBAL_LOCK_FUNCTION
- if (p_dir.is_rel_path())
- p_dir = get_current_dir().plus_file(p_dir);
- p_dir = fix_path(p_dir);
- bool success = (mkdir(p_dir.utf8().get_data(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) == 0);
- int err = errno;
- if (success) {
- return OK;
- };
- if (err == EEXIST) {
- return ERR_ALREADY_EXISTS;
- };
- return ERR_CANT_CREATE;
- }
- Error DirAccessUnix::change_dir(String p_dir) {
- GLOBAL_LOCK_FUNCTION
- p_dir = fix_path(p_dir);
- // prev_dir is the directory we are changing out of
- String prev_dir;
- char real_current_dir_name[2048];
- getcwd(real_current_dir_name, 2048);
- if (prev_dir.parse_utf8(real_current_dir_name))
- prev_dir = real_current_dir_name; //no utf8, maybe latin?
- // try_dir is the directory we are trying to change into
- String try_dir = "";
- if (p_dir.is_rel_path()) {
- String next_dir = current_dir + "/" + p_dir;
- next_dir = next_dir.simplify_path();
- try_dir = next_dir;
- } else {
- try_dir = p_dir;
- }
- bool worked = (chdir(try_dir.utf8().get_data()) == 0); // we can only give this utf8
- if (!worked) {
- return ERR_INVALID_PARAMETER;
- }
- // the directory exists, so set current_dir to try_dir
- current_dir = try_dir;
- chdir(prev_dir.utf8().get_data());
- return OK;
- }
- String DirAccessUnix::get_current_dir() {
- String base = _get_root_path();
- if (base != "") {
- String bd = current_dir.replace_first(base, "");
- if (bd.begins_with("/"))
- return _get_root_string() + bd.substr(1, bd.length());
- else
- return _get_root_string() + bd;
- }
- return current_dir;
- }
- Error DirAccessUnix::rename(String p_path, String p_new_path) {
- if (p_path.is_rel_path())
- p_path = get_current_dir().plus_file(p_path);
- p_path = fix_path(p_path);
- if (p_new_path.is_rel_path())
- p_new_path = get_current_dir().plus_file(p_new_path);
- p_new_path = fix_path(p_new_path);
- return ::rename(p_path.utf8().get_data(), p_new_path.utf8().get_data()) == 0 ? OK : FAILED;
- }
- Error DirAccessUnix::remove(String p_path) {
- if (p_path.is_rel_path())
- p_path = get_current_dir().plus_file(p_path);
- p_path = fix_path(p_path);
- struct stat flags;
- if ((stat(p_path.utf8().get_data(), &flags) != 0))
- return FAILED;
- if (S_ISDIR(flags.st_mode))
- return ::rmdir(p_path.utf8().get_data()) == 0 ? OK : FAILED;
- else
- return ::unlink(p_path.utf8().get_data()) == 0 ? OK : FAILED;
- }
- size_t DirAccessUnix::get_space_left() {
- #ifndef NO_STATVFS
- struct statvfs vfs;
- if (statvfs(current_dir.utf8().get_data(), &vfs) != 0) {
- return 0;
- };
- return vfs.f_bfree * vfs.f_bsize;
- #else
- #warning THIS IS BROKEN
- return 0;
- #endif
- };
- DirAccessUnix::DirAccessUnix() {
- dir_stream = 0;
- _cisdir = false;
- /* determine drive count */
- // set current directory to an absolute path of the current directory
- char real_current_dir_name[2048];
- getcwd(real_current_dir_name, 2048);
- if (current_dir.parse_utf8(real_current_dir_name))
- current_dir = real_current_dir_name;
- change_dir(current_dir);
- }
- DirAccessUnix::~DirAccessUnix() {
- list_dir_end();
- }
- #endif //posix_enabled
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