326 lines
7.4 KiB
C++
326 lines
7.4 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) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 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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#ifndef ANDROID_ENABLED
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#include <sys/statvfs.h>
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#endif
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#include "os/memory.h"
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#include "print_string.h"
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#include <errno.h>
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#include <stdio.h>
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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(curent_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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if (success && S_ISDIR(flags.st_mode))
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return true;
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return false;
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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;
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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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//typedef struct stat Stat;
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struct stat flags;
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String fname = fix_unicode_name(entry->d_name);
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String f = current_dir.plus_file(fname);
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if (stat(f.utf8().get_data(), &flags) == 0) {
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if (S_ISDIR(flags.st_mode)) {
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_cisdir = true;
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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 = false;
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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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int DirAccessUnix::get_drive_count() {
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return 0;
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}
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String DirAccessUnix::get_drive(int p_drive) {
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return "";
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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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// make sure current_dir is valid absolute path
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if (current_dir == "." || current_dir == "") {
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char real_current_dir_name[2048];
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getcwd(real_current_dir_name, 2048);
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current_dir.parse_utf8(real_current_dir_name);
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}
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if (p_dir == ".") {
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return OK;
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}
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p_dir = fix_path(p_dir);
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String prev_dir = current_dir;
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if (p_dir.is_rel_path()) {
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String next_dir = current_dir + "/" + p_dir;
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next_dir = next_dir.simplify_path();
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current_dir = next_dir;
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} else {
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current_dir = p_dir;
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}
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bool worked = (chdir(current_dir.utf8().get_data()) == 0); // we can only give this utf8
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if (!worked) {
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current_dir = prev_dir;
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return ERR_INVALID_PARAMETER;
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}
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chdir(prev_dir.utf8().get_data());
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return OK;
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}
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String DirAccessUnix::get_current_dir() {
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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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#warning THIS IS BROKEN
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return 0;
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#endif
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};
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DirAccessUnix::DirAccessUnix() {
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dir_stream = 0;
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current_dir = ".";
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_cisdir = false;
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/* determine drive count */
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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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