ClickHouse/contrib/libpoco/Foundation/src/DirectoryIterator_WIN32U.cpp

78 lines
1.5 KiB
C++

//
// DirectoryIterator_WIN32U.cpp
//
// $Id: //poco/1.4/Foundation/src/DirectoryIterator_WIN32U.cpp#1 $
//
// Library: Foundation
// Package: Filesystem
// Module: DirectoryIterator
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/DirectoryIterator_WIN32U.h"
#if defined(_WIN32_WCE)
#include "Poco/File_WINCE.h"
#else
#include "Poco/File_WIN32U.h"
#endif
#include "Poco/Path.h"
#include "Poco/UnicodeConverter.h"
#include <cstring>
namespace Poco {
DirectoryIteratorImpl::DirectoryIteratorImpl(const std::string& path): _fh(INVALID_HANDLE_VALUE), _rc(1)
{
Path p(path);
p.makeDirectory();
std::string findPath = p.toString();
findPath.append("*");
std::wstring uFindPath;
UnicodeConverter::toUTF16(findPath, uFindPath);
_fh = FindFirstFileW(uFindPath.c_str(), &_fd);
if (_fh == INVALID_HANDLE_VALUE)
{
if (GetLastError() != ERROR_NO_MORE_FILES)
File::handleLastError(path);
}
else
{
UnicodeConverter::toUTF8(_fd.cFileName, _current);
if (_current == "." || _current == "..")
next();
}
}
DirectoryIteratorImpl::~DirectoryIteratorImpl()
{
if (_fh != INVALID_HANDLE_VALUE)
FindClose(_fh);
}
const std::string& DirectoryIteratorImpl::next()
{
do
{
_current.clear();
if (FindNextFileW(_fh, &_fd) != 0)
{
UnicodeConverter::toUTF8(_fd.cFileName, _current);
}
}
while (_current == "." || _current == "..");
return _current;
}
} // namespace Poco