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365 lines
9.2 KiB
C++
365 lines
9.2 KiB
C++
/*************************************************************************/
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/* dir_access_windows.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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#if defined(WINDOWS_ENABLED)
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#include "dir_access_windows.h"
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#include "os/memory.h"
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#include "print_string.h"
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#include <stdio.h>
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#include <wchar.h>
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#include <windows.h>
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/*
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[03:57] <reduz> yessopie, so i don't havemak to rely on unicows
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[03:58] <yessopie> reduz- yeah, all of the functions fail, and then you can call GetLastError () which will return 120
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[03:58] <drumstick> CategoryApl, hehe, what? :)
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[03:59] <CategoryApl> didn't Verona lead to some trouble
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[03:59] <yessopie> 120 = ERROR_CALL_NOT_IMPLEMENTED
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[03:59] <yessopie> (you can use that constant if you include winerr.h)
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[03:59] <CategoryApl> well answer with winning a compo
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[04:02] <yessopie> if ( SetCurrentDirectoryW ( L"." ) == FALSE && GetLastError () == ERROR_CALL_NOT_IMPLEMENTED ) { use ANSI }
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*/
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struct DirAccessWindowsPrivate {
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HANDLE h; //handle for findfirstfile
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WIN32_FIND_DATA f;
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WIN32_FIND_DATAW fu; //unicode version
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};
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// CreateFolderAsync
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Error DirAccessWindows::list_dir_begin() {
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_cisdir = false;
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_cishidden = false;
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list_dir_end();
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p->h = FindFirstFileExW((current_dir + "\\*").c_str(), FindExInfoStandard, &p->fu, FindExSearchNameMatch, NULL, 0);
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return (p->h == INVALID_HANDLE_VALUE) ? ERR_CANT_OPEN : OK;
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}
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String DirAccessWindows::get_next() {
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if (p->h == INVALID_HANDLE_VALUE)
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return "";
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_cisdir = (p->fu.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
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_cishidden = (p->fu.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN);
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String name = p->fu.cFileName;
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if (FindNextFileW(p->h, &p->fu) == 0) {
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FindClose(p->h);
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p->h = INVALID_HANDLE_VALUE;
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}
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return name;
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}
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bool DirAccessWindows::current_is_dir() const {
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return _cisdir;
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}
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bool DirAccessWindows::current_is_hidden() const {
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return _cishidden;
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}
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void DirAccessWindows::list_dir_end() {
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if (p->h != INVALID_HANDLE_VALUE) {
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FindClose(p->h);
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p->h = INVALID_HANDLE_VALUE;
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}
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}
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int DirAccessWindows::get_drive_count() {
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return drive_count;
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}
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String DirAccessWindows::get_drive(int p_drive) {
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if (p_drive < 0 || p_drive >= drive_count)
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return "";
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return String::chr(drives[p_drive]) + ":";
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}
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Error DirAccessWindows::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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wchar_t real_current_dir_name[2048];
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GetCurrentDirectoryW(2048, real_current_dir_name);
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String prev_dir = real_current_dir_name;
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SetCurrentDirectoryW(current_dir.c_str());
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bool worked = (SetCurrentDirectoryW(p_dir.c_str()) != 0);
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String base = _get_root_path();
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if (base != "") {
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GetCurrentDirectoryW(2048, real_current_dir_name);
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String new_dir;
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new_dir = String(real_current_dir_name).replace("\\", "/");
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if (!new_dir.begins_with(base)) {
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worked = false;
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}
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}
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if (worked) {
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GetCurrentDirectoryW(2048, real_current_dir_name);
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current_dir = real_current_dir_name; // TODO, utf8 parser
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current_dir = current_dir.replace("\\", "/");
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} //else {
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SetCurrentDirectoryW(prev_dir.c_str());
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//}
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return worked ? OK : ERR_INVALID_PARAMETER;
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}
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Error DirAccessWindows::make_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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if (p_dir.is_rel_path())
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p_dir = current_dir.plus_file(p_dir);
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p_dir = p_dir.replace("/", "\\");
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bool success;
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int err;
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p_dir = "\\\\?\\" + p_dir; //done according to
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// https://msdn.microsoft.com/en-us/library/windows/desktop/aa363855(v=vs.85).aspx
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success = CreateDirectoryW(p_dir.c_str(), NULL);
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err = GetLastError();
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if (success) {
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return OK;
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};
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if (err == ERROR_ALREADY_EXISTS || err == ERROR_ACCESS_DENIED) {
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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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String DirAccessWindows::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("\\", "/").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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} else {
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}
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return current_dir;
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}
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bool DirAccessWindows::file_exists(String p_file) {
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GLOBAL_LOCK_FUNCTION
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if (!p_file.is_abs_path())
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p_file = get_current_dir().plus_file(p_file);
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p_file = fix_path(p_file);
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//p_file.replace("/","\\");
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//WIN32_FILE_ATTRIBUTE_DATA fileInfo;
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DWORD fileAttr;
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fileAttr = GetFileAttributesW(p_file.c_str());
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if (INVALID_FILE_ATTRIBUTES == fileAttr)
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return false;
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return !(fileAttr & FILE_ATTRIBUTE_DIRECTORY);
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}
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bool DirAccessWindows::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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//p_dir.replace("/","\\");
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//WIN32_FILE_ATTRIBUTE_DATA fileInfo;
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DWORD fileAttr;
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fileAttr = GetFileAttributesW(p_dir.c_str());
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if (INVALID_FILE_ATTRIBUTES == fileAttr)
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return false;
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return (fileAttr & FILE_ATTRIBUTE_DIRECTORY);
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}
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Error DirAccessWindows::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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if (file_exists(p_new_path)) {
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if (remove(p_new_path) != OK) {
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return FAILED;
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};
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};
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return ::_wrename(p_path.c_str(), p_new_path.c_str()) == 0 ? OK : FAILED;
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}
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Error DirAccessWindows::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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printf("erasing %s\n", p_path.utf8().get_data());
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//WIN32_FILE_ATTRIBUTE_DATA fileInfo;
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//DWORD fileAttr = GetFileAttributesExW(p_path.c_str(), GetFileExInfoStandard, &fileInfo);
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DWORD fileAttr;
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fileAttr = GetFileAttributesW(p_path.c_str());
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if (INVALID_FILE_ATTRIBUTES == fileAttr)
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return FAILED;
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if ((fileAttr & FILE_ATTRIBUTE_DIRECTORY))
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return ::_wrmdir(p_path.c_str()) == 0 ? OK : FAILED;
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else
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return ::_wunlink(p_path.c_str()) == 0 ? OK : FAILED;
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}
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/*
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FileType DirAccessWindows::get_file_type(const String& p_file) const {
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wchar_t real_current_dir_name[2048];
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GetCurrentDirectoryW(2048,real_current_dir_name);
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String prev_dir=real_current_dir_name;
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bool worked SetCurrentDirectoryW(current_dir.c_str());
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DWORD attr;
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if (worked) {
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WIN32_FILE_ATTRIBUTE_DATA fileInfo;
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attr = GetFileAttributesExW(p_file.c_str(), GetFileExInfoStandard, &fileInfo);
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}
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SetCurrentDirectoryW(prev_dir.c_str());
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if (!worked)
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return FILE_TYPE_NONE;
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return (attr&FILE_ATTRIBUTE_DIRECTORY)?FILE_TYPE_
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}
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*/
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size_t DirAccessWindows::get_space_left() {
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uint64_t bytes = 0;
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if (!GetDiskFreeSpaceEx(NULL, (PULARGE_INTEGER)&bytes, NULL, NULL))
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return 0;
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//this is either 0 or a value in bytes.
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return (size_t)bytes;
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}
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DirAccessWindows::DirAccessWindows() {
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p = memnew(DirAccessWindowsPrivate);
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p->h = INVALID_HANDLE_VALUE;
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current_dir = ".";
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drive_count = 0;
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#ifdef UWP_ENABLED
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Windows::Storage::StorageFolder ^ install_folder = Windows::ApplicationModel::Package::Current->InstalledLocation;
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change_dir(install_folder->Path->Data());
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#else
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DWORD mask = GetLogicalDrives();
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for (int i = 0; i < MAX_DRIVES; i++) {
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if (mask & (1 << i)) { //DRIVE EXISTS
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drives[drive_count] = 'a' + i;
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drive_count++;
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}
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}
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change_dir(".");
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#endif
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}
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DirAccessWindows::~DirAccessWindows() {
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memdelete(p);
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}
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#endif //windows DirAccess support
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