174 lines
4.0 KiB
C++
174 lines
4.0 KiB
C++
// Written by James Turner, started July 2010.
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//
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// Copyright (C) 2010 Curtis L. Olson - http://www.flightgear.org/~curt
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#include <simgear/misc/sg_dir.hxx>
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#ifdef _WIN32
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# define WIN32_LEAN_AND_MEAN
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# include <windows.h>
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#else
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# include <sys/types.h>
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# include <dirent.h>
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#endif
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#include <simgear/debug/logstream.hxx>
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#include <cstring>
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#include <iostream>
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namespace simgear
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{
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Dir::Dir(const SGPath& path) :
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_path(path)
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{
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}
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Dir::Dir(const Dir& rel, const SGPath& relPath) :
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_path(rel.file(relPath.str()))
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{
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}
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PathList Dir::children(int types, const std::string& nameFilter) const
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{
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PathList result;
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if (types == 0) {
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types = TYPE_FILE | TYPE_DIR | NO_DOT_OR_DOTDOT;
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}
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#ifdef _WIN32
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std::string search(_path.str());
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if (nameFilter.empty()) {
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search += "\\*"; // everything
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} else {
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search += "\\*" + nameFilter;
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}
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WIN32_FIND_DATA fData;
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HANDLE find = FindFirstFile(search.c_str(), &fData);
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if (find == INVALID_HANDLE_VALUE) {
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SG_LOG(SG_GENERAL, SG_WARN, "Dir::children: FindFirstFile failed:" << _path.str());
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return result;
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}
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bool done = false;
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for (bool done = false; !done; done = (FindNextFile(find, &fData) == 0)) {
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if (fData.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) {
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if (!(types & INCLUDE_HIDDEN)) {
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continue;
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}
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}
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if (fData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
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if (types & NO_DOT_OR_DOTDOT) {
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if (!strcmp(fData.cFileName,".") || !strcmp(fData.cFileName,"..")) {
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continue;
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}
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}
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if (!(types & TYPE_DIR)) {
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continue;
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}
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} else if ((fData.dwFileAttributes & FILE_ATTRIBUTE_DEVICE) ||
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(fData.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT))
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{
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continue; // always ignore device files
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} else if (!(types & TYPE_FILE)) {
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continue;
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}
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result.push_back(file(fData.cFileName));
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}
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FindClose(find);
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#else
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DIR* dp = opendir(_path.c_str());
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if (!dp) {
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SG_LOG(SG_GENERAL, SG_WARN, "Dir::children: opendir failed:" << _path.str());
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return result;
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}
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while (true) {
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struct dirent* entry = readdir(dp);
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if (!entry) {
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break; // done iteration
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}
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// skip hidden files (names beginning with '.') unless requested
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if (!(types & INCLUDE_HIDDEN) && (entry->d_name[0] == '.')) {
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continue;
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}
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SGPath f = file(entry->d_name);
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if (!f.exists()) {
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continue; // stat() failed
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}
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if (f.isDir()) {
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// directory handling
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if (!(types & TYPE_DIR)) {
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continue;
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}
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if (types & NO_DOT_OR_DOTDOT) {
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if (!strcmp(entry->d_name, ".") || !strcmp(entry->d_name, "..")) {
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continue;
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}
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}
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} else if (f.isFile()) {
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// regular file handling
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if (!(types & TYPE_FILE)) {
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continue;
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}
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} else {
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// block device /fifo/char file, ignore
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continue;
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}
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if (!nameFilter.empty()) {
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if (strstr(entry->d_name, nameFilter.c_str()) == NULL) {
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continue;
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}
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}
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// passed all criteria, add to our result vector
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result.push_back(file(entry->d_name));
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}
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closedir(dp);
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#endif
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return result;
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}
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bool Dir::exists() const
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{
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return _path.isDir();
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}
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SGPath Dir::file(const std::string& name) const
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{
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SGPath childPath = _path;
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childPath.append(name);
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return childPath;
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}
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} // of namespace simgear
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