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godot/drivers/windows/dir_access_windows.cpp

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/*************************************************************************/
/* dir_access_windows.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/*************************************************************************/
#if defined(WINDOWS_ENABLED)
#include "dir_access_windows.h"
#include "os/memory.h"
#include <windows.h>
#include <wchar.h>
#include <stdio.h>
#include "print_string.h"
#ifdef WINRT_ENABLED
#include <Synchapi.h>
#include <collection.h>
#include <ppltasks.h>
#endif
/*
[03:57] <reduz> yessopie, so i dont havemak to rely on unicows
[03:58] <yessopie> reduz- yeah, all of the functions fail, and then you can call GetLastError () which will return 120
[03:58] <drumstick> CategoryApl, hehe, what? :)
[03:59] <CategoryApl> didn't Verona lead to some trouble
[03:59] <yessopie> 120 = ERROR_CALL_NOT_IMPLEMENTED
[03:59] <yessopie> (you can use that constant if you include winerr.h)
[03:59] <CategoryApl> well answer with winning a compo
[04:02] <yessopie> if ( SetCurrentDirectoryW ( L"." ) == FALSE && GetLastError () == ERROR_CALL_NOT_IMPLEMENTED ) { use ANSI }
*/
struct DirAccessWindowsPrivate {
HANDLE h; //handle for findfirstfile
WIN32_FIND_DATA f;
WIN32_FIND_DATAW fu; //unicode version
};
// CreateFolderAsync
bool DirAccessWindows::list_dir_begin() {
_cisdir=false;
_cishidden=false;
list_dir_end();
p->h = FindFirstFileExW((current_dir+"\\*").c_str(), FindExInfoStandard, &p->fu, FindExSearchNameMatch, NULL, 0);
return (p->h==INVALID_HANDLE_VALUE);
}
String DirAccessWindows::get_next() {
if (p->h==INVALID_HANDLE_VALUE)
return "";
_cisdir=(p->fu.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
_cishidden=(p->fu.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN);
String name=p->fu.cFileName;
if (FindNextFileW(p->h, &p->fu) == 0) {
FindClose(p->h);
p->h=INVALID_HANDLE_VALUE;
}
return name;
}
bool DirAccessWindows::current_is_dir() const {
return _cisdir;
}
bool DirAccessWindows::current_is_hidden() const {
return _cishidden;
}
void DirAccessWindows::list_dir_end() {
if (p->h!=INVALID_HANDLE_VALUE) {
FindClose(p->h);
p->h=INVALID_HANDLE_VALUE;
}
}
int DirAccessWindows::get_drive_count() {
return drive_count;
}
String DirAccessWindows::get_drive(int p_drive) {
if (p_drive<0 || p_drive>=drive_count)
return "";
return String::chr(drives[p_drive])+":";
}
Error DirAccessWindows::change_dir(String p_dir) {
GLOBAL_LOCK_FUNCTION
#ifdef WINRT_ENABLED
p_dir = fix_path(p_dir);
current_dir = normalize_path(p_dir);
return OK;
#else
p_dir=fix_path(p_dir);
wchar_t real_current_dir_name[2048];
GetCurrentDirectoryW(2048,real_current_dir_name);
String prev_dir=real_current_dir_name;
SetCurrentDirectoryW(current_dir.c_str());
bool worked=(SetCurrentDirectoryW(p_dir.c_str())!=0);
String base = _get_root_path();
if (base!="") {
GetCurrentDirectoryW(2048,real_current_dir_name);
String new_dir;
new_dir = String(real_current_dir_name).replace("\\","/");
if (!new_dir.begins_with(base)) {
worked=false;
}
}
if (worked) {
GetCurrentDirectoryW(2048,real_current_dir_name);
current_dir=real_current_dir_name; // TODO, utf8 parser
current_dir=current_dir.replace("\\","/");
} //else {
SetCurrentDirectoryW(prev_dir.c_str());
//}
return worked?OK:ERR_INVALID_PARAMETER;
#endif
}
Error DirAccessWindows::make_dir(String p_dir) {
GLOBAL_LOCK_FUNCTION
#ifdef WINRT_ENABLED
return ERR_CANT_CREATE;
#else
p_dir=fix_path(p_dir);
//p_dir.replace("/","\\");
bool success;
int err;
wchar_t real_current_dir_name[2048];
GetCurrentDirectoryW(2048,real_current_dir_name);
SetCurrentDirectoryW(current_dir.c_str());
success=CreateDirectoryW(p_dir.c_str(), NULL);
err = GetLastError();
SetCurrentDirectoryW(real_current_dir_name);
if (success) {
return OK;
};
if (err == ERROR_ALREADY_EXISTS || err == ERROR_ACCESS_DENIED) {
return ERR_ALREADY_EXISTS;
};
return ERR_CANT_CREATE;
#endif
}
String DirAccessWindows::get_current_dir() {
String base = _get_root_path();
if (base!="") {
String bd = current_dir.replace("\\","/").replace_first(base,"");
if (bd.begins_with("/"))
return _get_root_string()+bd.substr(1,bd.length());
else
return _get_root_string()+bd;
} else {
}
return current_dir;
}
bool DirAccessWindows::file_exists(String p_file) {
GLOBAL_LOCK_FUNCTION
if (!p_file.is_abs_path())
p_file=get_current_dir().plus_file(p_file);
p_file=fix_path(p_file);
//p_file.replace("/","\\");
//WIN32_FILE_ATTRIBUTE_DATA fileInfo;
DWORD fileAttr;
fileAttr = GetFileAttributesW(p_file.c_str());
if (INVALID_FILE_ATTRIBUTES == fileAttr)
return false;
return !(fileAttr&FILE_ATTRIBUTE_DIRECTORY);
}
bool DirAccessWindows::dir_exists(String p_dir) {
GLOBAL_LOCK_FUNCTION
if (p_dir.is_rel_path())
p_dir=get_current_dir().plus_file(p_dir);
else
p_dir=fix_path(p_dir);
//p_dir.replace("/","\\");
//WIN32_FILE_ATTRIBUTE_DATA fileInfo;
DWORD fileAttr;
fileAttr = GetFileAttributesW(p_dir.c_str());
if (INVALID_FILE_ATTRIBUTES == fileAttr)
return false;
return (fileAttr&FILE_ATTRIBUTE_DIRECTORY);
}
Error DirAccessWindows::rename(String p_path,String p_new_path) {
if (p_path.is_rel_path())
p_path=get_current_dir().plus_file(p_path);
else
p_path=fix_path(p_path);
if (p_new_path.is_rel_path())
p_new_path=get_current_dir().plus_file(p_new_path);
else
p_new_path=fix_path(p_new_path);
if (file_exists(p_new_path)) {
if (remove(p_new_path) != OK) {
return FAILED;
};
};
return ::_wrename(p_path.c_str(),p_new_path.c_str())==0?OK:FAILED;
}
Error DirAccessWindows::remove(String p_path) {
if (p_path.is_rel_path())
p_path=get_current_dir().plus_file(p_path);
else
p_path=fix_path(p_path);
printf("erasing %s\n",p_path.utf8().get_data());
//WIN32_FILE_ATTRIBUTE_DATA fileInfo;
//DWORD fileAttr = GetFileAttributesExW(p_path.c_str(), GetFileExInfoStandard, &fileInfo);
DWORD fileAttr;
fileAttr = GetFileAttributesW(p_path.c_str());
if (INVALID_FILE_ATTRIBUTES == fileAttr)
return FAILED;
if ((fileAttr&FILE_ATTRIBUTE_DIRECTORY))
return ::_wrmdir(p_path.c_str())==0?OK:FAILED;
else
return ::_wunlink(p_path.c_str())==0?OK:FAILED;
}
/*
FileType DirAccessWindows::get_file_type(const String& p_file) const {
wchar_t real_current_dir_name[2048];
GetCurrentDirectoryW(2048,real_current_dir_name);
String prev_dir=real_current_dir_name;
bool worked SetCurrentDirectoryW(current_dir.c_str());
DWORD attr;
if (worked) {
WIN32_FILE_ATTRIBUTE_DATA fileInfo;
attr = GetFileAttributesExW(p_file.c_str(), GetFileExInfoStandard, &fileInfo);
}
SetCurrentDirectoryW(prev_dir.c_str());
if (!worked)
return FILE_TYPE_NONE;
return (attr&FILE_ATTRIBUTE_DIRECTORY)?FILE_TYPE_
}
*/
size_t DirAccessWindows::get_space_left() {
return -1;
};
DirAccessWindows::DirAccessWindows() {
p = memnew( DirAccessWindowsPrivate );
p->h=INVALID_HANDLE_VALUE;
current_dir=".";
drive_count=0;
#ifdef WINRT_ENABLED
Windows::Storage::StorageFolder ^install_folder = Windows::ApplicationModel::Package::Current->InstalledLocation;
change_dir(install_folder->Path->Data());
#else
DWORD mask=GetLogicalDrives();
for (int i=0;i<MAX_DRIVES;i++) {
if (mask&(1<<i)) { //DRIVE EXISTS
drives[drive_count]='a'+i;
drive_count++;
}
}
change_dir(".");
#endif
}
DirAccessWindows::~DirAccessWindows() {
memdelete( p );
}
#endif //windows DirAccess support
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