00001 // 00002 // DirectoryIterator_WIN32U.cpp 00003 // 00004 // $Id: //poco/1.3/Foundation/src/DirectoryIterator_WIN32U.cpp#4 $ 00005 // 00006 // Library: Foundation 00007 // Package: Filesystem 00008 // Module: DirectoryIterator 00009 // 00010 // Copyright (c) 2006, Applied Informatics Software Engineering GmbH. 00011 // and Contributors. 00012 // 00013 // Permission is hereby granted, free of charge, to any person or organization 00014 // obtaining a copy of the software and accompanying documentation covered by 00015 // this license (the "Software") to use, reproduce, display, distribute, 00016 // execute, and transmit the Software, and to prepare derivative works of the 00017 // Software, and to permit third-parties to whom the Software is furnished to 00018 // do so, all subject to the following: 00019 // 00020 // The copyright notices in the Software and this entire statement, including 00021 // the above license grant, this restriction and the following disclaimer, 00022 // must be included in all copies of the Software, in whole or in part, and 00023 // all derivative works of the Software, unless such copies or derivative 00024 // works are solely in the form of machine-executable object code generated by 00025 // a source language processor. 00026 // 00027 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00028 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00029 // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT 00030 // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE 00031 // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, 00032 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 00033 // DEALINGS IN THE SOFTWARE. 00034 // 00035 00036 00037 #include "Poco/DirectoryIterator_WIN32U.h" 00038 #include "Poco/File_WIN32U.h" 00039 #include "Poco/Path.h" 00040 #include "Poco/UnicodeConverter.h" 00041 #include <cstring> 00042 00043 00044 namespace Poco { 00045 00046 00047 DirectoryIteratorImpl::DirectoryIteratorImpl(const std::string& path): _fh(INVALID_HANDLE_VALUE), _rc(1) 00048 { 00049 Path p(path); 00050 p.makeDirectory(); 00051 std::string findPath = p.toString(); 00052 findPath.append("*"); 00053 std::wstring uFindPath; 00054 UnicodeConverter::toUTF16(findPath, uFindPath); 00055 00056 _fh = FindFirstFileW(uFindPath.c_str(), &_fd); 00057 if (_fh == INVALID_HANDLE_VALUE) 00058 { 00059 if (GetLastError() != ERROR_NO_MORE_FILES) 00060 File::handleLastError(path); 00061 } 00062 else 00063 { 00064 UnicodeConverter::toUTF8(_fd.cFileName, _current); 00065 if (_current == "." || _current == "..") 00066 next(); 00067 } 00068 } 00069 00070 00071 DirectoryIteratorImpl::~DirectoryIteratorImpl() 00072 { 00073 if (_fh != INVALID_HANDLE_VALUE) 00074 FindClose(_fh); 00075 } 00076 00077 00078 const std::string& DirectoryIteratorImpl::next() 00079 { 00080 do 00081 { 00082 _current.clear(); 00083 if (FindNextFileW(_fh, &_fd) != 0) 00084 { 00085 UnicodeConverter::toUTF8(_fd.cFileName, _current); 00086 } 00087 } 00088 while (_current == "." || _current == ".."); 00089 return _current; 00090 } 00091 00092 00093 } // namespace Poco