15460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===- Directory.cpp ------------------------------------------------------===// 25460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// 35460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// The MCLinker Project 45460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// 55460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// This file is distributed under the University of Illinois Open Source 65460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// License. See LICENSE.TXT for details. 75460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// 85460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===----------------------------------------------------------------------===// 95460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include "mcld/Support/Directory.h" 105460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include "mcld/Support/FileSystem.h" 115460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 125460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaousing namespace mcld; 135460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaousing namespace mcld::sys::fs; 145460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 155460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaonamespace { // anonymous 165460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaobool status_known(FileStatus f) 185460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 195460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return f.type() != StatusError; 205460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 215460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 225460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaobool is_symlink(FileStatus f) 235460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 245460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return f.type() == SymlinkFile; 255460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 265460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 275460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} // namespace of anonymous 285460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 295460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//========================== 305460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// Directory 315460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoDirectory::Directory() 325460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao : m_Path(), 335460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_FileStatus(), 345460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_SymLinkStatus(), 35affc150dc44fab1911775a49636d0ce85333b634Zonr Chang m_Handler(0), 365460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_Cache(), 375460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_CacheFull(false) { 385460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 395460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 405460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoDirectory::Directory(const Path& pPath, 415460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao FileStatus st, 425460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao FileStatus symlink_st) 435460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao : m_Path(pPath), 445460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_FileStatus(st), 455460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_SymLinkStatus(symlink_st), 46affc150dc44fab1911775a49636d0ce85333b634Zonr Chang m_Handler(0), 475460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_Cache(), 485460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_CacheFull(false) { 495460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (m_Path.native() == ".") 505460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao detail::get_pwd(m_Path.native()); 515460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_Path.m_append_separator_if_needed(); 525460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao mcld::sys::fs::detail::open_dir(*this); 535460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 545460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 555460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoDirectory::Directory(const Directory& pCopy) 565460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao : m_Path(pCopy.m_Path), 575460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_FileStatus(pCopy.m_FileStatus), 585460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_SymLinkStatus(pCopy.m_SymLinkStatus), 59affc150dc44fab1911775a49636d0ce85333b634Zonr Chang m_Handler(0), 605460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_Cache(), 615460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_CacheFull(false) { 625460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao mcld::sys::fs::detail::open_dir(*this); 635460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 645460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 655460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoDirectory::~Directory() 665460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 675460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao detail::close_dir(*this); 685460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 695460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 705460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaobool Directory::isGood() const 715460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 725460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return (0 != m_Handler); 735460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 745460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 755460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoDirectory& Directory::operator=(const Directory& pCopy) 765460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 775460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao assign(pCopy.m_Path, pCopy.m_FileStatus, pCopy.m_SymLinkStatus); 785460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return *this; 795460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 805460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 815460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaovoid Directory::assign(const Path& pPath, 825460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao FileStatus st, 835460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao FileStatus symlink_st) 845460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 855460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (isGood()) 865460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao clear(); 875460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 885460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_Path = pPath; 895460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (m_Path.native() == ".") 905460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao detail::get_pwd(m_Path.native()); 915460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_Path.m_append_separator_if_needed(); 925460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 935460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_FileStatus = st; 945460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_SymLinkStatus = symlink_st; 955460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao detail::open_dir(*this); 965460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 975460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 985460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoFileStatus Directory::status() const 995460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 1005460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (!status_known(m_FileStatus)) 1015460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao { 1025460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // optimization: if the symlink status is known, and it isn't a symlink, 1035460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // then status and symlink_status are identical so just copy the 1045460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // symlink status to the regular status. 1055460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (status_known(m_SymLinkStatus) 1065460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao && !is_symlink(m_SymLinkStatus)) 1075460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao { 1085460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_FileStatus = m_SymLinkStatus; 1095460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 1105460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao else detail::status(m_Path,m_FileStatus); 1115460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 1125460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return m_FileStatus; 1135460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1145460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1155460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1165460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoFileStatus Directory::symlinkStatus() const 1175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 1185460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (!status_known(m_SymLinkStatus)) 1195460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao detail::symlink_status(m_Path,m_SymLinkStatus); 1205460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return m_SymLinkStatus; 1215460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1225460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1235460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoDirectory::iterator Directory::begin() 1245460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 1255460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (m_CacheFull && m_Cache.empty()) 1265460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return end(); 1275460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao PathCache::iterator iter = m_Cache.begin(); 1285460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (NULL == iter.getEntry()) 1295460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ++iter; 1305460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return iterator(this, iter); 1315460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1325460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1335460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoDirectory::iterator Directory::end() 1345460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 1355460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return iterator(0, m_Cache.end()); 1365460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1375460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1385460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaovoid Directory::clear() 1395460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 1405460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_Path.native().clear(); 1415460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_FileStatus = FileStatus(); 1425460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_SymLinkStatus = FileStatus(); 1435460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_Cache.clear(); 1445460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao detail::close_dir(*this); 1455460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1465460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1475460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//========================== 1485460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// DirIterator 1495460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoDirIterator::DirIterator(Directory* pParent, 1505460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const DirIterator::DirCache::iterator& pIter) 1515460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao : m_pParent(pParent), 1525460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_Iter(pIter) { 1535460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_pEntry = m_Iter.getEntry(); 1545460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1555460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1565460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoDirIterator::DirIterator(const DirIterator& pCopy) 1575460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao : m_pParent(pCopy.m_pParent), 1585460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_Iter(pCopy.m_Iter), 1595460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_pEntry(pCopy.m_pEntry) { 1605460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1615460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1625460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoDirIterator::~DirIterator() 1635460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 1645460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1655460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1665460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoPath* DirIterator::path() 1675460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 1685460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (m_pParent == 0) // end 1695460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return 0; 1705460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return m_pEntry->value(); 1715460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1725460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1735460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoconst Path* DirIterator::path() const 1745460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 1755460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (m_pParent == 0) // end 1765460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return 0; 1775460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return m_pEntry->value(); 1785460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1795460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1805460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoDirIterator& DirIterator::operator=(const DirIterator& pCopy) 1815460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 1825460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_pParent = pCopy.m_pParent; 1835460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_Iter = pCopy.m_Iter; 1845460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_pEntry = pCopy.m_pEntry; 1855460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return (*this); 1865460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1875460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1885460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoDirIterator& DirIterator::operator++() 1895460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 1905460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (0 == m_pParent) 1915460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return *this; 1925460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1935460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // move forward one step first. 1945460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ++m_Iter; 1955460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1965460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (m_pParent->m_Cache.end() == m_Iter) { 1975460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (!m_pParent->m_CacheFull) { 1985460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_pEntry = detail::bring_one_into_cache(*this); 1995460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (0 == m_pEntry && m_pParent->m_CacheFull) 2005460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_pParent = 0; 2015460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return *this; 2025460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 2035460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_pParent = 0; 2045460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return *this; 2055460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 2065460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2075460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_pEntry = m_Iter.getEntry(); 2085460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return *this; 2095460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 2105460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2115460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoDirIterator DirIterator::operator++(int) 2125460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 2135460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao DirIterator tmp(*this); 2145460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2155460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // move forward one step first. 2165460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ++m_Iter; 2175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2185460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (m_pParent->m_Cache.end() == m_Iter) { 2195460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (!m_pParent->m_CacheFull) { 2205460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_pEntry = detail::bring_one_into_cache(*this); 2215460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (0 == m_pEntry && m_pParent->m_CacheFull) 2225460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_pParent = 0; 2235460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return tmp; 2245460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 2255460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_pParent = 0; 2265460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return tmp; 2275460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 2285460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2295460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_pEntry = m_Iter.getEntry(); 2305460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return tmp; 2315460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 2325460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2335460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaobool DirIterator::operator==(const DirIterator& y) const 2345460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 2355460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (m_pParent != y.m_pParent) 2365460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return false; 2375460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (0 == m_pParent) 2385460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return true; 2395460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const Path* x_path = path(); 2405460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const Path* y_path = y.path(); 2415460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (0 == x_path && 0 == y_path) 2425460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return true; 2435460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (0 == x_path || 0 == y_path) 2445460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return false; 2455460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return (*x_path == *y_path); 2465460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 2475460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2485460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaobool DirIterator::operator!=(const DirIterator& y) const 2495460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 2505460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return !this->operator==(y); 2515460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 2525460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 253