void ff::ClearTempSubDirectory()
{
#if !METRO_APP
if (GetTempSubDirectory().empty())
{
// don't clear the root temp path
return;
}
#endif
ff::String szFilter = ff::GetTempDirectory();
AppendPathTail(szFilter, String(L"*"));
WIN32_FIND_DATA data;
ZeroObject(data);
HANDLE hFind = FindFirstFileEx(szFilter.c_str(), FindExInfoStandard, &data, FindExSearchNameMatch, nullptr, 0);
for (BOOL bDone = FALSE; !bDone && hFind != INVALID_HANDLE_VALUE; bDone = !FindNextFile(hFind, &data))
{
if (!(data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
ff::String szFile = ff::GetTempDirectory();
AppendPathTail(szFile, String(data.cFileName));
DeleteFile(szFile);
}
}
if (hFind != INVALID_HANDLE_VALUE)
{
FindClose(hFind);
}
}
ff::String ff::GetTempDirectory()
{
LockMutex crit(GCS_FILE_UTIL);
if(!s_tempPath.empty() && s_oldTempSubName == s_tempSubName)
{
return s_tempPath;
}
SettingTempPath();
s_tempPath.clear();
s_oldTempSubName = s_tempSubName;
#if METRO_APP
s_tempPath = String::from_pstring(Windows::Storage::ApplicationData::Current->TemporaryFolder->Path);
#else
StackCharVector512 stackPath;
stackPath.Resize(512);
DWORD size = ::GetTempPath((DWORD)stackPath.Size(), stackPath.Data());
if (size > stackPath.Size())
{
stackPath.Resize(size);
size = ::GetTempPath((DWORD)stackPath.Size(), stackPath.Data());
}
if (size)
{
s_tempPath = CanonicalizePath(String(stackPath.Data()));
StripSuperLongPrefix(s_tempPath);
static StaticString defaultTail(L"Ferret Face");
AppendPathTail(s_tempPath, defaultTail);
}
#endif
if (!s_tempPath.empty())
{
AppendPathTail(s_tempPath, s_tempSubName);
if (!DirectoryExists(s_tempPath))
{
CreateDirectory(s_tempPath);
}
}
return s_tempPath;
}
bool ff::DeleteDirectory(StringRef path, bool bMustBeEmpty)
{
if (bMustBeEmpty)
{
String szRealPath = CanonicalizePath(path, true);
return ::RemoveDirectory(szRealPath.c_str()) ? true : false;
}
else if (DirectoryExists(path))
{
Vector<String> dirs;
Vector<String> files;
if (GetDirectoryContents(path, dirs, files))
{
String szRealPath = CanonicalizePath(path, true);
for (size_t i = 0; i < files.Size(); i++)
{
String szDelete = szRealPath;
AppendPathTail(szDelete, files[i]);
if (!DeleteFile(szDelete))
{
return false;
}
}
for (size_t i = 0; i < dirs.Size(); i++)
{
String szDelete = szRealPath;
AppendPathTail(szDelete, dirs[i]);
if (!DeleteDirectory(szDelete, false))
{
return false;
}
}
return DeleteDirectory(path, true);
}
}
return false;
}
ff::String ff::CreateTempFile(StringRef base, StringRef extension)
{
LockMutex crit(GCS_FILE_UTIL);
// STATIC_DATA (pod)
static UINT nUnique = 0;
const int maxTries = 1000;
String szFinal;
static StaticString defaultBase(L"TempFile");
static StaticString defaultExt(L"tmp");
String szBase = base.size() ? szBase : defaultBase;
String szExtension = extension.size() ? szExtension : defaultExt;
for (int nTry = 0; nTry < maxTries; nTry++, nUnique++)
{
wchar_t szUnique[20];
_snwprintf_s(szUnique, _countof(szUnique), _TRUNCATE, L"%u", nUnique);
ff::String szTry = GetTempDirectory();
AppendPathTail(szTry, szBase);
szTry += szUnique;
szTry += L".";
szTry += szExtension;
if (!FileExists(szTry))
{
szFinal = szTry;
break;
}
}
if (szFinal.size())
{
nUnique++;
// Create the file to reserve it
File file;
if (!file.OpenWrite(szFinal))
{
szFinal.empty();
}
}
assertSz(szFinal.size(), L"Can't create a file in the temp folder");
return szFinal;
}
ff::String ff::Module::GetPath() const
{
#if METRO_APP
// Assume that the name is a DLL in the application directory
Windows::ApplicationModel::Package ^package = Windows::ApplicationModel::Package::Current;
String path = String::from_pstring(package->InstalledLocation->Path);
AppendPathTail(path, _name);
ChangePathExtension(path, ff::String(L"dll"));
assert(FileExists(path));
return path;
#else
assert(_instance != nullptr);
return GetModulePath(_instance);
#endif
}
bool ff::GetDirectoryContents(StringRef path, Vector<String> &dirs, Vector<String> &files, Vector<FILETIME> *fileTimes)
{
dirs.Clear();
files.Clear();
if (fileTimes)
{
fileTimes->Clear();
}
String szFilter = CanonicalizePath(path, true);
assertRetVal(szFilter.size(), false);
AppendPathTail(szFilter, String(L"*"));
WIN32_FIND_DATA data;
ZeroObject(data);
HANDLE hFind = FindFirstFileEx(szFilter.c_str(), FindExInfoStandard, &data, FindExSearchNameMatch, nullptr, 0);
for (BOOL bDone = FALSE; !bDone && hFind != INVALID_HANDLE_VALUE; bDone = !FindNextFile(hFind, &data))
{
if (!(data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
files.Push(String(data.cFileName));
if (fileTimes)
{
fileTimes->Push(data.ftLastWriteTime);
}
}
else if (wcscmp(data.cFileName, L".") && wcscmp(data.cFileName, L".."))
{
dirs.Push(String(data.cFileName));
}
}
if (hFind != INVALID_HANDLE_VALUE)
{
FindClose(hFind);
}
return hFind != INVALID_HANDLE_VALUE;
}
