DirectoryIterator_WIN32.h
Go to the documentation of this file.00001 // 00002 // DirectoryIterator_WIN32.h 00003 // 00004 // $Id: //poco/1.3/Foundation/include/Poco/DirectoryIterator_WIN32.h#2 $ 00005 // 00006 // Library: Foundation 00007 // Package: Filesystem 00008 // Module: DirectoryIterator 00009 // 00010 // Definition of the DirectoryIteratorImpl class for WIN32. 00011 // 00012 // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH. 00013 // and Contributors. 00014 // 00015 // Permission is hereby granted, free of charge, to any person or organization 00016 // obtaining a copy of the software and accompanying documentation covered by 00017 // this license (the "Software") to use, reproduce, display, distribute, 00018 // execute, and transmit the Software, and to prepare derivative works of the 00019 // Software, and to permit third-parties to whom the Software is furnished to 00020 // do so, all subject to the following: 00021 // 00022 // The copyright notices in the Software and this entire statement, including 00023 // the above license grant, this restriction and the following disclaimer, 00024 // must be included in all copies of the Software, in whole or in part, and 00025 // all derivative works of the Software, unless such copies or derivative 00026 // works are solely in the form of machine-executable object code generated by 00027 // a source language processor. 00028 // 00029 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00030 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00031 // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT 00032 // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE 00033 // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, 00034 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 00035 // DEALINGS IN THE SOFTWARE. 00036 // 00037 00038 00039 #ifndef Foundation_DirectoryIterator_WIN32_INCLUDED 00040 #define Foundation_DirectoryIterator_WIN32_INCLUDED 00041 00042 00043 #include "Poco/Foundation.h" 00044 #include "Poco/UnWindows.h" 00045 00046 00047 namespace Poco { 00048 00049 00050 class Foundation_API DirectoryIteratorImpl 00051 { 00052 public: 00053 DirectoryIteratorImpl(const std::string& path); 00054 ~DirectoryIteratorImpl(); 00055 00056 void duplicate(); 00057 void release(); 00058 00059 const std::string& get() const; 00060 const std::string& next(); 00061 00062 private: 00063 HANDLE _fh; 00064 WIN32_FIND_DATA _fd; 00065 std::string _current; 00066 int _rc; 00067 }; 00068 00069 00070 // 00071 // inlines 00072 // 00073 const std::string& DirectoryIteratorImpl::get() const 00074 { 00075 return _current; 00076 } 00077 00078 00079 inline void DirectoryIteratorImpl::duplicate() 00080 { 00081 ++_rc; 00082 } 00083 00084 00085 inline void DirectoryIteratorImpl::release() 00086 { 00087 if (--_rc == 0) 00088 delete this; 00089 } 00090 00091 00092 } // namespace Poco 00093 00094 00095 #endif // Foundation_DirectoryIterator_WIN32_INCLUDED