Mercurial > octave
view liboctave/system/dir-ops.cc @ 33584:3fe954c2fd25 default tip @
maint: merge stable to default
author | Rik <rik@octave.org> |
---|---|
date | Mon, 13 May 2024 11:41:11 -0700 |
parents | 2e484f9f1f18 |
children |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2024 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <cerrno> #include <cstdlib> #include <cstring> #include <list> #include <string> #if defined (OCTAVE_USE_WINDOWS_API) # include "windows.h" #endif #include "dirent-wrappers.h" #include "dir-ops.h" #include "file-ops.h" #include "lo-error.h" #include "lo-sysdep.h" #include "str-vec.h" OCTAVE_BEGIN_NAMESPACE(octave) OCTAVE_BEGIN_NAMESPACE(sys) bool dir_entry::open (const std::string& n) { if (! n.empty ()) m_name = n; if (! m_name.empty ()) { close (); std::string fullname = sys::file_ops::tilde_expand (m_name); #if defined (OCTAVE_USE_WINDOWS_API) std::string msg; if (sys::dir_exists (fullname, msg)) // Never dereference this pointer! // We just need something that is non-null. m_dir = reinterpret_cast<void *> (1); else { m_dir = nullptr; m_errmsg = msg; } #else m_dir = octave_opendir_wrapper (fullname.c_str ()); if (! m_dir) m_errmsg = std::strerror (errno); #endif } else m_errmsg = "dir_entry::open: empty filename"; return m_dir != nullptr; } string_vector dir_entry::read () { string_vector retval; if (ok ()) { std::list<std::string> dirlist; #if defined (OCTAVE_USE_WINDOWS_API) WIN32_FIND_DATAW find_file_data; std::wstring pattern = u8_to_wstring (m_name + "\\*"); std::string file_name; HANDLE h_find_file = FindFirstFileW (pattern.c_str (), &find_file_data); if (h_find_file != INVALID_HANDLE_VALUE) { do { file_name = u8_from_wstring (find_file_data.cFileName); dirlist.push_back (file_name); } while (FindNextFileW (h_find_file, &find_file_data)); FindClose (h_find_file); } #else char *fname; while ((fname = octave_readdir_wrapper (m_dir))) dirlist.push_back (fname); #endif retval = string_vector (dirlist); } return retval; } bool dir_entry::close () { bool retval = true; #if defined (OCTAVE_USE_WINDOWS_API) m_dir = nullptr; #else if (m_dir) { retval = (octave_closedir_wrapper (m_dir) == 0); m_dir = nullptr; } #endif return retval; } unsigned int dir_entry::max_name_length () { return octave_name_max_wrapper (); } OCTAVE_END_NAMESPACE(sys) OCTAVE_END_NAMESPACE(octave)