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aee586553a
Namely, move the drive dropdown to just the left of the path text box and don't include the former in the latter. This improves the UX on Windows. In the UNIX case, since its concept of drives is (ab)used to provide shortcuts to useful paths, its dropdown is kept at the original location.
433 lines
11 KiB
C++
433 lines
11 KiB
C++
/*************************************************************************/
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/* dir_access_unix.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "dir_access_unix.h"
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#if defined(UNIX_ENABLED) || defined(LIBC_FILEIO_ENABLED)
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#include "core/list.h"
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#include "core/os/memory.h"
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#include "core/print_string.h"
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifndef ANDROID_ENABLED
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#include <sys/statvfs.h>
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#endif
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#ifdef HAVE_MNTENT
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#include <mntent.h>
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#endif
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DirAccess *DirAccessUnix::create_fs() {
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return memnew(DirAccessUnix);
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}
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Error DirAccessUnix::list_dir_begin() {
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list_dir_end(); //close any previous dir opening!
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//char real_current_dir_name[2048]; //is this enough?!
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//getcwd(real_current_dir_name,2048);
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//chdir(current_path.utf8().get_data());
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dir_stream = opendir(current_dir.utf8().get_data());
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//chdir(real_current_dir_name);
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if (!dir_stream)
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return ERR_CANT_OPEN; //error!
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return OK;
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}
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bool DirAccessUnix::file_exists(String p_file) {
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GLOBAL_LOCK_FUNCTION
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if (p_file.is_rel_path())
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p_file = current_dir.plus_file(p_file);
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p_file = fix_path(p_file);
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struct stat flags;
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bool success = (stat(p_file.utf8().get_data(), &flags) == 0);
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if (success && S_ISDIR(flags.st_mode)) {
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success = false;
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}
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return success;
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}
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bool DirAccessUnix::dir_exists(String p_dir) {
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GLOBAL_LOCK_FUNCTION
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if (p_dir.is_rel_path())
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p_dir = get_current_dir().plus_file(p_dir);
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p_dir = fix_path(p_dir);
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struct stat flags;
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bool success = (stat(p_dir.utf8().get_data(), &flags) == 0);
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return (success && S_ISDIR(flags.st_mode));
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}
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uint64_t DirAccessUnix::get_modified_time(String p_file) {
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if (p_file.is_rel_path())
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p_file = current_dir.plus_file(p_file);
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p_file = fix_path(p_file);
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struct stat flags;
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bool success = (stat(p_file.utf8().get_data(), &flags) == 0);
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if (success) {
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return flags.st_mtime;
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} else {
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ERR_FAIL_V(0);
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};
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return 0;
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};
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String DirAccessUnix::get_next() {
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if (!dir_stream)
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return "";
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dirent *entry = readdir(dir_stream);
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if (entry == NULL) {
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list_dir_end();
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return "";
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}
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String fname = fix_unicode_name(entry->d_name);
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// Look at d_type to determine if the entry is a directory, unless
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// its type is unknown (the file system does not support it) or if
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// the type is a link, in that case we want to resolve the link to
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// known if it points to a directory. stat() will resolve the link
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// for us.
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if (entry->d_type == DT_UNKNOWN || entry->d_type == DT_LNK) {
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String f = current_dir.plus_file(fname);
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struct stat flags;
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if (stat(f.utf8().get_data(), &flags) == 0) {
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_cisdir = S_ISDIR(flags.st_mode);
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} else {
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_cisdir = false;
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}
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} else {
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_cisdir = (entry->d_type == DT_DIR);
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}
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_cishidden = (fname != "." && fname != ".." && fname.begins_with("."));
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return fname;
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}
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bool DirAccessUnix::current_is_dir() const {
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return _cisdir;
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}
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bool DirAccessUnix::current_is_hidden() const {
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return _cishidden;
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}
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void DirAccessUnix::list_dir_end() {
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if (dir_stream)
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closedir(dir_stream);
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dir_stream = 0;
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_cisdir = false;
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}
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#if defined(HAVE_MNTENT) && defined(X11_ENABLED)
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static bool _filter_drive(struct mntent *mnt) {
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// Ignore devices that don't point to /dev
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if (strncmp(mnt->mnt_fsname, "/dev", 4) != 0) {
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return false;
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}
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// Accept devices mounted at common locations
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if (strncmp(mnt->mnt_dir, "/media", 6) == 0 ||
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strncmp(mnt->mnt_dir, "/mnt", 4) == 0 ||
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strncmp(mnt->mnt_dir, "/home", 5) == 0 ||
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strncmp(mnt->mnt_dir, "/run/media", 10) == 0) {
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return true;
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}
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// Ignore everything else
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return false;
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}
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#endif
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static void _get_drives(List<String> *list) {
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#if defined(HAVE_MNTENT) && defined(X11_ENABLED)
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// Check /etc/mtab for the list of mounted partitions
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FILE *mtab = setmntent("/etc/mtab", "r");
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if (mtab) {
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struct mntent mnt;
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char strings[4096];
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while (getmntent_r(mtab, &mnt, strings, sizeof(strings))) {
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if (mnt.mnt_dir != NULL && _filter_drive(&mnt)) {
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// Avoid duplicates
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if (!list->find(mnt.mnt_dir)) {
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list->push_back(mnt.mnt_dir);
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}
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}
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}
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endmntent(mtab);
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}
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#endif
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// Add $HOME
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const char *home = getenv("HOME");
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if (home) {
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// Only add if it's not a duplicate
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if (!list->find(home)) {
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list->push_back(home);
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}
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// Check $HOME/.config/gtk-3.0/bookmarks
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char path[1024];
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snprintf(path, 1024, "%s/.config/gtk-3.0/bookmarks", home);
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FILE *fd = fopen(path, "r");
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if (fd) {
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char string[1024];
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while (fgets(string, 1024, fd)) {
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// Parse only file:// links
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if (strncmp(string, "file://", 7) == 0) {
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// Strip any unwanted edges on the strings and push_back if it's not a duplicate
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String fpath = String(string + 7).strip_edges().split_spaces()[0].percent_decode();
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if (!list->find(fpath)) {
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list->push_back(fpath);
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}
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}
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}
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fclose(fd);
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}
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}
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list->sort();
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}
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int DirAccessUnix::get_drive_count() {
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List<String> list;
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_get_drives(&list);
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return list.size();
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}
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String DirAccessUnix::get_drive(int p_drive) {
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List<String> list;
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_get_drives(&list);
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ERR_FAIL_INDEX_V(p_drive, list.size(), "");
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return list[p_drive];
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}
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bool DirAccessUnix::drives_are_shortcuts() {
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return true;
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}
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Error DirAccessUnix::make_dir(String p_dir) {
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GLOBAL_LOCK_FUNCTION
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if (p_dir.is_rel_path())
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p_dir = get_current_dir().plus_file(p_dir);
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p_dir = fix_path(p_dir);
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bool success = (mkdir(p_dir.utf8().get_data(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) == 0);
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int err = errno;
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if (success) {
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return OK;
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};
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if (err == EEXIST) {
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return ERR_ALREADY_EXISTS;
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};
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return ERR_CANT_CREATE;
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}
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Error DirAccessUnix::change_dir(String p_dir) {
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GLOBAL_LOCK_FUNCTION
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p_dir = fix_path(p_dir);
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// prev_dir is the directory we are changing out of
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String prev_dir;
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char real_current_dir_name[2048];
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ERR_FAIL_COND_V(getcwd(real_current_dir_name, 2048) == NULL, ERR_BUG);
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if (prev_dir.parse_utf8(real_current_dir_name))
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prev_dir = real_current_dir_name; //no utf8, maybe latin?
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// try_dir is the directory we are trying to change into
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String try_dir = "";
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if (p_dir.is_rel_path()) {
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String next_dir = current_dir.plus_file(p_dir);
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next_dir = next_dir.simplify_path();
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try_dir = next_dir;
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} else {
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try_dir = p_dir;
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}
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bool worked = (chdir(try_dir.utf8().get_data()) == 0); // we can only give this utf8
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if (!worked) {
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return ERR_INVALID_PARAMETER;
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}
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String base = _get_root_path();
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if (base != String() && !try_dir.begins_with(base)) {
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ERR_FAIL_COND_V(getcwd(real_current_dir_name, 2048) == NULL, ERR_BUG);
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String new_dir;
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new_dir.parse_utf8(real_current_dir_name);
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if (!new_dir.begins_with(base)) {
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try_dir = current_dir; //revert
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}
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}
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// the directory exists, so set current_dir to try_dir
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current_dir = try_dir;
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ERR_FAIL_COND_V(chdir(prev_dir.utf8().get_data()) != 0, ERR_BUG);
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return OK;
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}
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String DirAccessUnix::get_current_dir(bool p_include_drive) {
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String base = _get_root_path();
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if (base != "") {
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String bd = current_dir.replace_first(base, "");
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if (bd.begins_with("/"))
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return _get_root_string() + bd.substr(1, bd.length());
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else
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return _get_root_string() + bd;
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}
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return current_dir;
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}
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Error DirAccessUnix::rename(String p_path, String p_new_path) {
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if (p_path.is_rel_path())
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p_path = get_current_dir().plus_file(p_path);
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p_path = fix_path(p_path);
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if (p_new_path.is_rel_path())
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p_new_path = get_current_dir().plus_file(p_new_path);
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p_new_path = fix_path(p_new_path);
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return ::rename(p_path.utf8().get_data(), p_new_path.utf8().get_data()) == 0 ? OK : FAILED;
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}
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Error DirAccessUnix::remove(String p_path) {
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if (p_path.is_rel_path())
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p_path = get_current_dir().plus_file(p_path);
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p_path = fix_path(p_path);
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struct stat flags;
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if ((stat(p_path.utf8().get_data(), &flags) != 0))
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return FAILED;
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if (S_ISDIR(flags.st_mode))
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return ::rmdir(p_path.utf8().get_data()) == 0 ? OK : FAILED;
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else
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return ::unlink(p_path.utf8().get_data()) == 0 ? OK : FAILED;
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}
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size_t DirAccessUnix::get_space_left() {
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#ifndef NO_STATVFS
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struct statvfs vfs;
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if (statvfs(current_dir.utf8().get_data(), &vfs) != 0) {
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return 0;
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};
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return vfs.f_bfree * vfs.f_bsize;
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#else
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// FIXME: Implement this.
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return 0;
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#endif
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};
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String DirAccessUnix::get_filesystem_type() const {
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return ""; //TODO this should be implemented
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}
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DirAccessUnix::DirAccessUnix() {
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dir_stream = 0;
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_cisdir = false;
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/* determine drive count */
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// set current directory to an absolute path of the current directory
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char real_current_dir_name[2048];
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ERR_FAIL_COND(getcwd(real_current_dir_name, 2048) == NULL);
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if (current_dir.parse_utf8(real_current_dir_name))
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current_dir = real_current_dir_name;
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change_dir(current_dir);
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}
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DirAccessUnix::~DirAccessUnix() {
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list_dir_end();
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}
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#endif //posix_enabled
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