bool CState::RecursiveCopy(CLocalPath source, const CLocalPath& target)
{
if (source.empty() || target.empty())
return false;
if (source == target)
return false;
if (source.IsParentOf(target))
return false;
if (!source.HasParent())
return false;
wxString last_segment;
if (!source.MakeParent(&last_segment))
return false;
std::list<wxString> dirsToVisit;
dirsToVisit.push_back(last_segment + CLocalPath::path_separator);
// Process any subdirs which still have to be visited
while (!dirsToVisit.empty())
{
wxString dirname = dirsToVisit.front();
dirsToVisit.pop_front();
wxMkdir(target.GetPath() + dirname);
CLocalFileSystem fs;
if (!fs.BeginFindFiles(source.GetPath() + dirname, false))
continue;
bool is_dir, is_link;
wxString file;
while (fs.GetNextFile(file, is_link, is_dir, 0, 0, 0))
{
if (file.empty())
{
wxGetApp().DisplayEncodingWarning();
continue;
}
if (is_dir)
{
if (is_link)
continue;
const wxString subDir = dirname + file + CLocalPath::path_separator;
dirsToVisit.push_back(subDir);
}
else
wxCopyFile(source.GetPath() + dirname + file, target.GetPath() + dirname + file);
}
}
return true;
}
bool CLocalFileSystem::RecursiveDelete(std::list<wxString> dirsToVisit, wxWindow* parent)
{
// Under Windows use SHFileOperation to delete files and directories.
// Under other systems, we have to recurse into subdirectories manually
// to delete all contents.
#ifdef __WXMSW__
// SHFileOperation accepts a list of null-terminated strings. Go through all
// paths to get the required buffer length
size_t len = 1; // String list terminated by empty string
for (auto const& dir : dirsToVisit) {
len += dir.size() + 1;
}
// Allocate memory
wxChar* pBuffer = new wxChar[len];
wxChar* p = pBuffer;
for (auto& dir : dirsToVisit) {
if (dir.Last() == wxFileName::GetPathSeparator())
dir.RemoveLast();
if (GetFileType(dir) == unknown)
continue;
_tcscpy(p, dir);
p += dir.size() + 1;
}
if (p != pBuffer) {
*p = 0;
// Now we can delete the files in the buffer
SHFILEOPSTRUCT op;
memset(&op, 0, sizeof(op));
op.hwnd = parent ? (HWND)parent->GetHandle() : 0;
op.wFunc = FO_DELETE;
op.pFrom = pBuffer;
if (parent) {
// Move to trash if shift is not pressed, else delete
op.fFlags = wxGetKeyState(WXK_SHIFT) ? 0 : FOF_ALLOWUNDO;
}
else
op.fFlags = FOF_NOCONFIRMATION;
SHFileOperation(&op);
}
delete [] pBuffer;
return true;
#else
if (parent) {
if (wxMessageBoxEx(_("Really delete all selected files and/or directories from your computer?"), _("Confirmation needed"), wxICON_QUESTION | wxYES_NO, parent) != wxYES)
return true;
}
for (auto& dir : dirsToVisit) {
if (dir.Last() == '/' && dir != _T("/"))
dir.RemoveLast();
}
bool encodingError = false;
// Remember the directories to delete after recursing into them
std::list<wxString> dirsToDelete;
CLocalFileSystem fs;
// Process all dirctories that have to be visited
while (!dirsToVisit.empty()) {
auto const iter = dirsToVisit.begin();
wxString const& path = *iter;
if (GetFileType(path) != dir) {
wxRemoveFile(path);
dirsToVisit.erase(iter);
continue;
}
dirsToDelete.splice(dirsToDelete.begin(), dirsToVisit, iter);
if (!fs.BeginFindFiles(path, false)) {
continue;
}
// Depending on underlying platform, wxDir does not handle
// changes to the directory contents very well.
// See http://trac.filezilla-project.org/ticket/3482
// To work around this, delete files after enumerating everything in current directory
std::list<wxString> filesToDelete;
wxString file;
while (fs.GetNextFile(file)) {
if (file.empty()) {
encodingError = true;
continue;
}
const wxString& fullName = path + _T("/") + file;
if (CLocalFileSystem::GetFileType(fullName) == CLocalFileSystem::dir)
dirsToVisit.push_back(fullName);
else
filesToDelete.push_back(fullName);
}
fs.EndFindFiles();
// Delete all files and links in current directory enumerated before
for (auto const& file : filesToDelete) {
wxRemoveFile(file);
}
}
// Delete the now empty directories
for (auto const& dir : dirsToDelete) {
wxRmdir(dir);
}
return !encodingError;
#endif
}
