00001 // 00002 // DirectoryIterator_UNIX.cpp 00003 // 00004 // $Id: //poco/1.3/Foundation/src/DirectoryIterator_UNIX.cpp#2 $ 00005 // 00006 // Library: Foundation 00007 // Package: Filesystem 00008 // Module: DirectoryIterator 00009 // 00010 // Copyright (c) 2004-2006, 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_UNIX.h" 00038 #include "Poco/File_UNIX.h" 00039 #include "Poco/Path.h" 00040 00041 00042 namespace Poco { 00043 00044 00045 DirectoryIteratorImpl::DirectoryIteratorImpl(const std::string& path): _pDir(0), _rc(1) 00046 { 00047 Path p(path); 00048 p.makeFile(); 00049 00050 _pDir = opendir(p.toString().c_str()); 00051 if (!_pDir) File::handleLastError(path); 00052 00053 next(); 00054 } 00055 00056 00057 DirectoryIteratorImpl::~DirectoryIteratorImpl() 00058 { 00059 if (_pDir) closedir(_pDir); 00060 } 00061 00062 00063 const std::string& DirectoryIteratorImpl::next() 00064 { 00065 do 00066 { 00067 struct dirent* pEntry = readdir(_pDir); 00068 if (pEntry) 00069 _current = pEntry->d_name; 00070 else 00071 _current.clear(); 00072 } 00073 while (_current == "." || _current == ".."); 00074 return _current; 00075 } 00076 00077 00078 } // namespace Poco